mirror of
https://github.com/kyverno/kyverno.git
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dc8a60a43e
* feat: add operations support in match/exclude Signed-off-by: Charles-Edouard Brétéché <charles.edouard@nirmata.com> * fix Signed-off-by: Charles-Edouard Brétéché <charles.edouard@nirmata.com> * clean Signed-off-by: Charles-Edouard Brétéché <charles.edouard@nirmata.com> * matching Signed-off-by: Charles-Edouard Brétéché <charles.edouard@nirmata.com> * operation Signed-off-by: Charles-Edouard Brétéché <charles.edouard@nirmata.com> * make operation mandatory Signed-off-by: Charles-Edouard Brétéché <charles.edouard@nirmata.com> * kuttl Signed-off-by: Charles-Edouard Brétéché <charles.edouard@nirmata.com> --------- Signed-off-by: Charles-Edouard Brétéché <charles.edouard@nirmata.com>
2470 lines
76 KiB
Go
2470 lines
76 KiB
Go
package utils
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import (
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"encoding/json"
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"testing"
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authenticationv1 "k8s.io/api/authentication/v1"
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rbacv1 "k8s.io/api/rbac/v1"
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v1 "github.com/kyverno/kyverno/api/kyverno/v1"
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"github.com/kyverno/kyverno/api/kyverno/v1beta1"
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"github.com/kyverno/kyverno/pkg/autogen"
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kubeutils "github.com/kyverno/kyverno/pkg/utils/kube"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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func TestMatchesResourceDescription(t *testing.T) {
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tcs := []struct {
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Description string
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AdmissionInfo v1beta1.RequestInfo
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Resource []byte
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Policy []byte
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areErrorsExpected bool
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}{
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{
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Description: "Match Any matches the Pod",
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AdmissionInfo: v1beta1.RequestInfo{
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ClusterRoles: []string{"admin"},
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},
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Resource: []byte(`{
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"apiVersion": "v1",
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"kind": "Pod",
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"metadata": {
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"name": "abc",
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"namespace" : "prod"
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},
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"spec": {
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"containers": [
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{
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"name": "cont-name",
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"image": "cont-img",
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"ports": [
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{
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"containerPort": 81
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}
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],
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"resources": {
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"limits": {
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"memory": "30Mi",
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"cpu": "0.2"
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},
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"requests": {
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"memory": "20Mi",
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"cpu": "0.1"
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}
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}
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}
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]
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}
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}`),
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Policy: []byte(`{
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"apiVersion": "kyverno.io/v1",
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"kind": "ClusterPolicy",
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"metadata": {
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"name": "test-policy"
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},
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"spec": {
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"background": false,
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"rules": [
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{
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"name": "any-match-rule",
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"match": {
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"any": [
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{
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"resources": {
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"kinds": [
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"Pod"
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],
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"names" : ["dev"]
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}
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},
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{
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"resources": {
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"kinds": [
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"Pod"
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],
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"namespaces" : ["prod"]
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}
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}
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]
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},
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"mutate": {
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"overlay": {
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"spec": {
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"containers": [
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{
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"(image)": "*",
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"imagePullPolicy": "IfNotPresent"
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}
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]
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}
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}
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}
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}
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]
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}
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}`),
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areErrorsExpected: false,
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},
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{
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Description: "Match Any does not match the Pod",
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AdmissionInfo: v1beta1.RequestInfo{
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ClusterRoles: []string{"admin"},
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},
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Resource: []byte(`{
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"apiVersion": "v1",
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"kind": "Pod",
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"metadata": {
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"name": "abc",
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"namespace" : "default"
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},
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"spec": {
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"containers": [
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{
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"name": "cont-name",
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"image": "cont-img",
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"ports": [
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{
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"containerPort": 81
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}
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],
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"resources": {
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"limits": {
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"memory": "30Mi",
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"cpu": "0.2"
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},
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"requests": {
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"memory": "20Mi",
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"cpu": "0.1"
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}
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}
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}
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]
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}
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}`),
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Policy: []byte(`{
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"apiVersion": "kyverno.io/v1",
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"kind": "ClusterPolicy",
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"metadata": {
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"name": "test-policy"
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},
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"spec": {
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"background": false,
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"rules": [
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{
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"name": "test-rule",
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"match": {
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"any": [
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{
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"resources": {
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"kinds": [
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"Pod"
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],
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"names" : ["dev"]
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}
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},
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{
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"resources": {
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"kinds": [
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"Pod"
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],
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"namespaces" : ["prod"]
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}
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}
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]
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},
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"mutate": {
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"overlay": {
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"spec": {
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"containers": [
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{
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"(image)": "*",
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"imagePullPolicy": "IfNotPresent"
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}
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]
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}
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}
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}
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}
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]
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}
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}`),
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areErrorsExpected: true,
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},
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{
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Description: "Match All matches the Pod",
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AdmissionInfo: v1beta1.RequestInfo{
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ClusterRoles: []string{"admin"},
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},
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Resource: []byte(`{
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"apiVersion": "v1",
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"kind": "Pod",
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"metadata": {
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"name": "abc",
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"namespace" : "prod"
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},
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"spec": {
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"containers": [
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{
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"name": "cont-name",
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"image": "cont-img",
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"ports": [
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{
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"containerPort": 81
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}
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],
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"resources": {
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"limits": {
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"memory": "30Mi",
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"cpu": "0.2"
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},
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"requests": {
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"memory": "20Mi",
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"cpu": "0.1"
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}
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}
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}
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]
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}
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}`),
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Policy: []byte(`{
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"apiVersion": "kyverno.io/v1",
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"kind": "ClusterPolicy",
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"metadata": {
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"name": "test-policy"
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},
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"spec": {
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"background": false,
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"rules": [
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{
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"name": "test-rule",
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"match": {
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"all": [
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{
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"resources": {
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"kinds": [
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"Pod"
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],
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"names" : ["abc"]
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}
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},
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{
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"resources": {
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"kinds": [
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"Pod"
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],
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"namespaces" : ["prod"]
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}
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}
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]
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},
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"mutate": {
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"overlay": {
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"spec": {
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"containers": [
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{
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"(image)": "*",
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"imagePullPolicy": "IfNotPresent"
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}
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]
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}
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}
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}
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}
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]
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}
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}`),
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areErrorsExpected: false,
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},
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{
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Description: "Match All does not match the Pod",
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AdmissionInfo: v1beta1.RequestInfo{
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ClusterRoles: []string{"admin"},
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},
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Resource: []byte(`{
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"apiVersion": "v1",
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"kind": "Pod",
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"metadata": {
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"name": "abc",
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"namespace" : "prod"
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},
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"spec": {
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"containers": [
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{
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"name": "cont-name",
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"image": "cont-img",
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"ports": [
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{
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"containerPort": 81
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}
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],
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"resources": {
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"limits": {
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"memory": "30Mi",
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"cpu": "0.2"
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},
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"requests": {
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"memory": "20Mi",
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"cpu": "0.1"
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}
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}
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}
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]
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}
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}`),
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Policy: []byte(`{
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"apiVersion": "kyverno.io/v1",
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"kind": "ClusterPolicy",
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"metadata": {
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"name": "test-policy"
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},
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"spec": {
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"background": false,
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"rules": [
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{
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"name": "test-rule",
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"match": {
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"all": [
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{
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"resources": {
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"kinds": [
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"Pod"
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],
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"names" : ["xyz"]
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}
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},
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{
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"resources": {
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"kinds": [
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"Pod"
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],
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"namespaces" : ["prod"]
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}
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}
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]
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},
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"mutate": {
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"overlay": {
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"spec": {
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"containers": [
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{
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"(image)": "*",
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"imagePullPolicy": "IfNotPresent"
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}
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]
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}
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}
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}
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}
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]
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}
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}`),
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areErrorsExpected: true,
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},
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{
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Description: "Exclude Any excludes the Pod",
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AdmissionInfo: v1beta1.RequestInfo{
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ClusterRoles: []string{"admin"},
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},
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Resource: []byte(`{
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"apiVersion": "v1",
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"kind": "Pod",
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"metadata": {
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"name": "dev",
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"namespace" : "prod"
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},
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"spec": {
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"containers": [
|
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{
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"name": "cont-name",
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"image": "cont-img",
|
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"ports": [
|
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{
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"containerPort": 81
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}
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],
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"resources": {
|
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"limits": {
|
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"memory": "30Mi",
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"cpu": "0.2"
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},
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"requests": {
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"memory": "20Mi",
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"cpu": "0.1"
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}
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}
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}
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]
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}
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}`),
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Policy: []byte(`{
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"apiVersion": "kyverno.io/v1",
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"kind": "ClusterPolicy",
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"metadata": {
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"name": "test-policy"
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},
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"spec": {
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"background": false,
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"rules": [
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{
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"name": "test-rule",
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"match": {
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"all": [
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{
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"resources": {
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"kinds": [
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"Pod"
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]
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}
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}
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]
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},
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"exclude": {
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"any": [
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{
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"resources": {
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"kinds": [
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"Pod"
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],
|
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"names": [
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"dev"
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]
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}
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},
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{
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"resources": {
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"kinds": [
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"Pod"
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],
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"namespaces": [
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"default"
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]
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}
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}
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]
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},
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"mutate": {
|
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"overlay": {
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"spec": {
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"containers": [
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{
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"(image)": "*",
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"imagePullPolicy": "IfNotPresent"
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}
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]
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}
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}
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}
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}
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]
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}
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}`),
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areErrorsExpected: true,
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},
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{
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Description: "Exclude Any does not exclude the Pod",
|
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AdmissionInfo: v1beta1.RequestInfo{
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ClusterRoles: []string{"admin"},
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},
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Resource: []byte(`{
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"apiVersion": "v1",
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"kind": "Pod",
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"metadata": {
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"name": "abc",
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"namespace" : "prod"
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},
|
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"spec": {
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"containers": [
|
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{
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"name": "cont-name",
|
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"image": "cont-img",
|
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"ports": [
|
|
{
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"containerPort": 81
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|
}
|
|
],
|
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"resources": {
|
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"limits": {
|
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"memory": "30Mi",
|
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"cpu": "0.2"
|
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},
|
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"requests": {
|
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"memory": "20Mi",
|
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"cpu": "0.1"
|
|
}
|
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}
|
|
}
|
|
]
|
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}
|
|
}`),
|
|
Policy: []byte(`{
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"apiVersion": "kyverno.io/v1",
|
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"kind": "ClusterPolicy",
|
|
"metadata": {
|
|
"name": "test-policy"
|
|
},
|
|
"spec": {
|
|
"background": false,
|
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"rules": [
|
|
{
|
|
"name": "test-rule",
|
|
"match": {
|
|
"all": [
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
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"Pod"
|
|
]
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"exclude": {
|
|
"any": [
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
|
"Pod"
|
|
],
|
|
"names": [
|
|
"dev"
|
|
]
|
|
}
|
|
},
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
|
"Pod"
|
|
],
|
|
"namespaces": [
|
|
"default"
|
|
]
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"mutate": {
|
|
"overlay": {
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"(image)": "*",
|
|
"imagePullPolicy": "IfNotPresent"
|
|
}
|
|
]
|
|
}
|
|
}
|
|
}
|
|
}
|
|
]
|
|
}
|
|
}`),
|
|
areErrorsExpected: false,
|
|
},
|
|
{
|
|
Description: "Exclude All excludes the Pod",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"admin"},
|
|
},
|
|
Resource: []byte(`{
|
|
"apiVersion": "v1",
|
|
"kind": "Pod",
|
|
"metadata": {
|
|
"name": "dev",
|
|
"namespace" : "prod"
|
|
},
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"name": "cont-name",
|
|
"image": "cont-img",
|
|
"ports": [
|
|
{
|
|
"containerPort": 81
|
|
}
|
|
],
|
|
"resources": {
|
|
"limits": {
|
|
"memory": "30Mi",
|
|
"cpu": "0.2"
|
|
},
|
|
"requests": {
|
|
"memory": "20Mi",
|
|
"cpu": "0.1"
|
|
}
|
|
}
|
|
}
|
|
]
|
|
}
|
|
}`),
|
|
Policy: []byte(`{
|
|
"apiVersion": "kyverno.io/v1",
|
|
"kind": "ClusterPolicy",
|
|
"metadata": {
|
|
"name": "test-policy"
|
|
},
|
|
"spec": {
|
|
"background": false,
|
|
"rules": [
|
|
{
|
|
"name": "test-rule",
|
|
"match": {
|
|
"all": [
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
|
"Pod"
|
|
]
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"exclude": {
|
|
"all": [
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
|
"Pod"
|
|
],
|
|
"names": [
|
|
"dev"
|
|
]
|
|
}
|
|
},
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
|
"Pod"
|
|
],
|
|
"namespaces": [
|
|
"prod"
|
|
]
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"mutate": {
|
|
"overlay": {
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"(image)": "*",
|
|
"imagePullPolicy": "IfNotPresent"
|
|
}
|
|
]
|
|
}
|
|
}
|
|
}
|
|
}
|
|
]
|
|
}
|
|
}`),
|
|
areErrorsExpected: true,
|
|
},
|
|
{
|
|
Description: "Exclude All does not exclude the Pod",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"admin"},
|
|
},
|
|
Resource: []byte(`{
|
|
"apiVersion": "v1",
|
|
"kind": "Pod",
|
|
"metadata": {
|
|
"name": "abc",
|
|
"namespace" : "prod"
|
|
},
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"name": "cont-name",
|
|
"image": "cont-img",
|
|
"ports": [
|
|
{
|
|
"containerPort": 81
|
|
}
|
|
],
|
|
"resources": {
|
|
"limits": {
|
|
"memory": "30Mi",
|
|
"cpu": "0.2"
|
|
},
|
|
"requests": {
|
|
"memory": "20Mi",
|
|
"cpu": "0.1"
|
|
}
|
|
}
|
|
}
|
|
]
|
|
}
|
|
}`),
|
|
Policy: []byte(`{
|
|
"apiVersion": "kyverno.io/v1",
|
|
"kind": "ClusterPolicy",
|
|
"metadata": {
|
|
"name": "test-policy"
|
|
},
|
|
"spec": {
|
|
"background": false,
|
|
"rules": [
|
|
{
|
|
"name": "test-rule",
|
|
"match": {
|
|
"all": [
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
|
"Pod"
|
|
]
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"exclude": {
|
|
"all": [
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
|
"Pod"
|
|
],
|
|
"names": [
|
|
"abc"
|
|
]
|
|
}
|
|
},
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
|
"Pod"
|
|
],
|
|
"namespaces": [
|
|
"default"
|
|
]
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"mutate": {
|
|
"overlay": {
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"(image)": "*",
|
|
"imagePullPolicy": "IfNotPresent"
|
|
}
|
|
]
|
|
}
|
|
}
|
|
}
|
|
}
|
|
]
|
|
}
|
|
}`),
|
|
areErrorsExpected: false,
|
|
},
|
|
{
|
|
Description: "Should match pod and not exclude it",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"admin"},
|
|
},
|
|
Resource: []byte(`{"apiVersion":"v1","kind":"Pod","metadata":{"name":"hello-world","labels":{"name":"hello-world"}},"spec":{"containers":[{"name":"hello-world","image":"hello-world","ports":[{"containerPort":81}],"resources":{"limits":{"memory":"30Mi","cpu":"0.2"},"requests":{"memory":"20Mi","cpu":"0.1"}}}]}}`),
|
|
Policy: []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"hello-world-policy"},"spec":{"background":false,"rules":[{"name":"hello-world-policy","match":{"resources":{"kinds":["Pod"]}},"exclude":{"resources":{"name":"hello-world"},"clusterRoles":["system:node"]},"mutate":{"overlay":{"spec":{"containers":[{"(image)":"*","imagePullPolicy":"IfNotPresent"}]}}}}]}}`),
|
|
areErrorsExpected: false,
|
|
},
|
|
{
|
|
Description: "Should exclude resource since it matches the exclude block",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"system:node"},
|
|
},
|
|
Resource: []byte(`{"apiVersion":"v1","kind":"Pod","metadata":{"name":"hello-world","labels":{"name":"hello-world"}},"spec":{"containers":[{"name":"hello-world","image":"hello-world","ports":[{"containerPort":81}],"resources":{"limits":{"memory":"30Mi","cpu":"0.2"},"requests":{"memory":"20Mi","cpu":"0.1"}}}]}}`),
|
|
Policy: []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"hello-world-policy"},"spec":{"background":false,"rules":[{"name":"hello-world-policy","match":{"resources":{"kinds":["Pod"]}},"exclude":{"resources":{"name":"hello-world"},"clusterRoles":["system:node"]},"mutate":{"overlay":{"spec":{"containers":[{"(image)":"*","imagePullPolicy":"IfNotPresent"}]}}}}]}}`),
|
|
areErrorsExpected: true,
|
|
},
|
|
{
|
|
Description: "Should not fail if in sync mode, if admission info is empty it should still match resources with specific clusterRoles",
|
|
Resource: []byte(`{"apiVersion":"v1","kind":"Pod","metadata":{"name":"hello-world","labels":{"name":"hello-world"}},"spec":{"containers":[{"name":"hello-world","image":"hello-world","ports":[{"containerPort":81}],"resources":{"limits":{"memory":"30Mi","cpu":"0.2"},"requests":{"memory":"20Mi","cpu":"0.1"}}}]}}`),
|
|
Policy: []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"hello-world-policy"},"spec":{"background":false,"rules":[{"name":"hello-world-policy","match":{"resources":{"kinds":["Pod"]}},"exclude":{"resources":{"name":"hello-world"},"clusterRoles":["system:node"]},"mutate":{"overlay":{"spec":{"containers":[{"(image)":"*","imagePullPolicy":"IfNotPresent"}]}}}}]}}`),
|
|
areErrorsExpected: false,
|
|
},
|
|
{
|
|
Description: "Should fail since resource does not match because of names field",
|
|
Resource: []byte(`{"apiVersion":"v1","kind":"Pod","metadata":{"name":"hello-world","labels":{"name":"hello-world"}},"spec":{"containers":[{"name":"hello-world","image":"hello-world","ports":[{"containerPort":81}],"resources":{"limits":{"memory":"30Mi","cpu":"0.2"},"requests":{"memory":"20Mi","cpu":"0.1"}}}]}}`),
|
|
Policy: []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"hello-world-policy"},"spec":{"background":false,"rules":[{"name":"hello-world-policy","match":{"resources":{"kinds":["Pod"],"names": ["dev-*"]},"clusterRoles":["system:node"]},"mutate":{"overlay":{"spec":{"containers":[{"(image)":"*","imagePullPolicy":"IfNotPresent"}]}}}}]}}`),
|
|
areErrorsExpected: true,
|
|
},
|
|
{
|
|
Description: "Should pass since resource matches a name in the names field",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"system:node"},
|
|
},
|
|
Resource: []byte(`{"apiVersion":"v1","kind":"Pod","metadata":{"name":"hello-world","labels":{"name":"hello-world"}},"spec":{"containers":[{"name":"hello-world","image":"hello-world","ports":[{"containerPort":81}],"resources":{"limits":{"memory":"30Mi","cpu":"0.2"},"requests":{"memory":"20Mi","cpu":"0.1"}}}]}}`),
|
|
Policy: []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"hello-world-policy"},"spec":{"background":false,"rules":[{"name":"hello-world-policy","match":{"resources":{"kinds":["Pod"],"names": ["dev-*","hello-world"]},"clusterRoles":["system:node"]},"mutate":{"overlay":{"spec":{"containers":[{"(image)":"*","imagePullPolicy":"IfNotPresent"}]}}}}]}}`),
|
|
areErrorsExpected: false,
|
|
},
|
|
{
|
|
Description: "Should fail since resource gets excluded because of the names field",
|
|
Resource: []byte(`{"apiVersion":"v1","kind":"Pod","metadata":{"name":"hello-world","labels":{"name":"hello-world"}},"spec":{"containers":[{"name":"hello-world","image":"hello-world","ports":[{"containerPort":81}],"resources":{"limits":{"memory":"30Mi","cpu":"0.2"},"requests":{"memory":"20Mi","cpu":"0.1"}}}]}}`),
|
|
Policy: []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"hello-world-policy"},"spec":{"background":false,"rules":[{"name":"hello-world-policy","match":{"resources":{"kinds":["Pod"]}},"exclude":{"resources":{"names": ["dev-*","hello-*"]}},"mutate":{"overlay":{"spec":{"containers":[{"(image)":"*","imagePullPolicy":"IfNotPresent"}]}}}}]}}`),
|
|
areErrorsExpected: true,
|
|
},
|
|
{
|
|
Description: "Should pass since resource does not get excluded because of the names field",
|
|
Resource: []byte(`{"apiVersion":"v1","kind":"Pod","metadata":{"name":"bye-world","labels":{"name":"hello-world"}},"spec":{"containers":[{"name":"hello-world","image":"hello-world","ports":[{"containerPort":81}],"resources":{"limits":{"memory":"30Mi","cpu":"0.2"},"requests":{"memory":"20Mi","cpu":"0.1"}}}]}}`),
|
|
Policy: []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"hello-world-policy"},"spec":{"background":false,"rules":[{"name":"hello-world-policy","match":{"resources":{"kinds":["Pod"]}},"exclude":{"resources":{"names": ["dev-*","hello-*"]}},"mutate":{"overlay":{"spec":{"containers":[{"(image)":"*","imagePullPolicy":"IfNotPresent"}]}}}}]}}`),
|
|
areErrorsExpected: false,
|
|
},
|
|
{
|
|
Description: "Should fail since resource does not match policy",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"admin"},
|
|
},
|
|
Resource: []byte(`{"apiVersion":"v1","kind":"Service","metadata":{"name":"hello-world","labels":{"name":"hello-world"}},"spec":{"containers":[{"name":"hello-world","image":"hello-world","ports":[{"containerPort":81}],"resources":{"limits":{"memory":"30Mi","cpu":"0.2"},"requests":{"memory":"20Mi","cpu":"0.1"}}}]}}`),
|
|
Policy: []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"hello-world-policy"},"spec":{"background":false,"rules":[{"name":"hello-world-policy","match":{"resources":{"kinds":["Pod"]}},"exclude":{"resources":{"name":"hello-world"},"clusterRoles":["system:node"]},"mutate":{"overlay":{"spec":{"containers":[{"(image)":"*","imagePullPolicy":"IfNotPresent"}]}}}}]}}`),
|
|
areErrorsExpected: true,
|
|
},
|
|
{
|
|
Description: "Should not fail since resource does not match exclude block",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"system:node"},
|
|
},
|
|
Resource: []byte(`{"apiVersion":"v1","kind":"Pod","metadata":{"name":"hello-world2","labels":{"name":"hello-world"}},"spec":{"containers":[{"name":"hello-world","image":"hello-world","ports":[{"containerPort":81}],"resources":{"limits":{"memory":"30Mi","cpu":"0.2"},"requests":{"memory":"20Mi","cpu":"0.1"}}}]}}`),
|
|
Policy: []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"hello-world-policy"},"spec":{"background":false,"rules":[{"name":"hello-world-policy","match":{"resources":{"kinds":["Pod"]}},"exclude":{"resources":{"name":"hello-world"},"clusterRoles":["system:node"]},"mutate":{"overlay":{"spec":{"containers":[{"(image)":"*","imagePullPolicy":"IfNotPresent"}]}}}}]}}`),
|
|
areErrorsExpected: false,
|
|
},
|
|
{
|
|
Description: "Should pass since group, version, kind match",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"admin"},
|
|
},
|
|
Resource: []byte(`{ "apiVersion": "apps/v1", "kind": "Deployment", "metadata": { "creationTimestamp": "2020-09-21T12:56:35Z", "name": "qos-demo", "labels": { "test": "qos" } }, "spec": { "replicas": 1, "selector": { "matchLabels": { "app": "nginx" } }, "template": { "metadata": { "creationTimestamp": "2020-09-21T12:56:35Z", "labels": { "app": "nginx" } }, "spec": { "containers": [ { "name": "nginx", "image": "nginx:latest", "resources": { "limits": { "cpu": "50m" } } } ]}}}}`),
|
|
Policy: []byte(`{ "apiVersion": "kyverno.io/v1", "kind": "ClusterPolicy", "metadata": { "name": "policy-qos" }, "spec": { "validationFailureAction": "enforce", "rules": [ { "name": "add-memory-limit", "match": { "resources": { "kinds": [ "apps/v1/Deployment" ], "selector": { "matchLabels": { "test": "qos" } } } }, "mutate": { "overlay": { "spec": { "template": { "spec": { "containers": [ { "(name)": "*", "resources": { "limits": { "+(memory)": "300Mi", "+(cpu)": "100" } } } ] } } } } } }, { "name": "check-cpu-memory-limits", "match": { "resources": { "kinds": [ "apps/v1/Deployment" ], "selector": { "matchLabels": { "test": "qos" } } } }, "validate": { "message": "Resource limits are required for CPU and memory", "pattern": { "spec": { "template": { "spec": { "containers": [ { "(name)": "*", "resources": { "limits": { "memory": "?*", "cpu": "?*" } } } ] } } } } } } ] } }`),
|
|
areErrorsExpected: false,
|
|
},
|
|
{
|
|
Description: "Should pass since version and kind match",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"admin"},
|
|
},
|
|
Resource: []byte(`{ "apiVersion": "v1", "kind": "Pod", "metadata": { "name": "myapp-pod2", "labels": { "app": "myapp2" } }, "spec": { "containers": [ { "name": "nginx", "image": "nginx" } ] } }`),
|
|
Policy: []byte(`{ "apiVersion": "kyverno.io/v1", "kind": "ClusterPolicy", "metadata": { "name": "disallow-latest-tag", "annotations": { "policies.kyverno.io/category": "Workload Isolation", "policies.kyverno.io/description": "The ':latest' tag is mutable and can lead to unexpected errors if the image changes. A best practice is to use an immutable tag that maps to a specific version of an application pod." } }, "spec": { "validationFailureAction": "enforce", "rules": [ { "name": "require-image-tag", "match": { "resources": { "kinds": [ "v1/Pod" ] } }, "validate": { "message": "An image tag is required", "pattern": { "spec": { "containers": [ { "image": "*:*" } ] } } } } ] } }`),
|
|
areErrorsExpected: false,
|
|
},
|
|
{
|
|
Description: "Should fail since resource does not match ",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"admin"},
|
|
},
|
|
Resource: []byte(`{"apiVersion":"v1","kind":"Service","metadata":{"name":"hello-world","labels":{"name":"hello-world"}},"spec":{"containers":[{"name":"hello-world","image":"hello-world","ports":[{"containerPort":81}],"resources":{"limits":{"memory":"30Mi","cpu":"0.2"},"requests":{"memory":"20Mi","cpu":"0.1"}}}]}}`),
|
|
Policy: []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"hello-world-policy"},"spec":{"background":false,"rules":[{"name":"hello-world-policy","match":{"resources":{"kinds":["Pod"]}},"exclude":{"resources":{"name":"hello-world"},"clusterRoles":["system:node"]},"mutate":{"overlay":{"spec":{"containers":[{"(image)":"*","imagePullPolicy":"IfNotPresent"}]}}}}]}}`),
|
|
areErrorsExpected: true,
|
|
},
|
|
{
|
|
Description: "Should fail since version not match",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"admin"},
|
|
},
|
|
Resource: []byte(`{ "apiVersion": "apps/v1beta1", "kind": "Deployment", "metadata": { "creationTimestamp": "2020-09-21T12:56:35Z", "name": "qos-demo", "labels": { "test": "qos" } }, "spec": { "replicas": 1, "selector": { "matchLabels": { "app": "nginx" } }, "template": { "metadata": { "creationTimestamp": "2020-09-21T12:56:35Z", "labels": { "app": "nginx" } }, "spec": { "containers": [ { "name": "nginx", "image": "nginx:latest", "resources": { "limits": { "cpu": "50m" } } } ]}}}}`),
|
|
Policy: []byte(`{ "apiVersion": "kyverno.io/v1", "kind": "ClusterPolicy", "metadata": { "name": "policy-qos" }, "spec": { "validationFailureAction": "enforce", "rules": [ { "name": "add-memory-limit", "match": { "resources": { "kinds": [ "apps/v1/Deployment" ], "selector": { "matchLabels": { "test": "qos" } } } }, "mutate": { "overlay": { "spec": { "template": { "spec": { "containers": [ { "(name)": "*", "resources": { "limits": { "+(memory)": "300Mi", "+(cpu)": "100" } } } ] } } } } } }, { "name": "check-cpu-memory-limits", "match": { "resources": { "kinds": [ "apps/v1/Deployment" ], "selector": { "matchLabels": { "test": "qos" } } } }, "validate": { "message": "Resource limits are required for CPU and memory", "pattern": { "spec": { "template": { "spec": { "containers": [ { "(name)": "*", "resources": { "limits": { "memory": "?*", "cpu": "?*" } } } ] } } } } } } ] } }`),
|
|
areErrorsExpected: true,
|
|
},
|
|
{
|
|
Description: "Should fail since cluster role version not match",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"admin"},
|
|
},
|
|
Resource: []byte(`{ "kind": "ClusterRole", "apiVersion": "rbac.authorization.k8s.io/v1", "metadata": { "name": "secret-reader-demo", "namespace": "default" }, "rules": [ { "apiGroups": [ "" ], "resources": [ "secrets" ], "verbs": [ "get", "watch", "list" ] } ] }`),
|
|
Policy: []byte(`{ "apiVersion": "kyverno.io/v1", "kind": "ClusterPolicy", "metadata": { "name": "check-host-path" }, "spec": { "validationFailureAction": "enforce", "background": true, "rules": [ { "name": "check-host-path", "match": { "resources": { "kinds": [ "rbac.authorization.k8s.io/v1beta1/ClusterRole" ] } }, "validate": { "message": "Host path is not allowed", "pattern": { "spec": { "volumes": [ { "name": "*", "hostPath": { "path": "" } } ] } } } } ] } }`),
|
|
areErrorsExpected: true,
|
|
},
|
|
{
|
|
Description: "Test for GVK case sensitive",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"admin"},
|
|
},
|
|
Resource: []byte(`{ "apiVersion": "v1", "kind": "Pod", "metadata": { "name": "myapp-pod2", "labels": { "app": "myapp2" } }, "spec": { "containers": [ { "name": "nginx", "image": "nginx" } ] } }`),
|
|
Policy: []byte(`{ "apiVersion": "kyverno.io/v1", "kind": "ClusterPolicy", "metadata": { "name": "disallow-latest-tag", "annotations": { "policies.kyverno.io/category": "Workload Isolation", "policies.kyverno.io/description": "The ':latest' tag is mutable and can lead to unexpected errors if the image changes. A best practice is to use an immutable tag that maps to a specific version of an application pod." } }, "spec": { "validationFailureAction": "enforce", "rules": [ { "name": "require-image-tag", "match": { "resources": { "kinds": [ "pod" ] } }, "validate": { "message": "An image tag is required", "pattern": { "spec": { "containers": [ { "image": "*:*" } ] } } } } ] } }`),
|
|
areErrorsExpected: true,
|
|
},
|
|
{
|
|
Description: "Test should fail for GVK case sensitive",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"admin"},
|
|
},
|
|
Resource: []byte(`{ "apiVersion": "apps/v1", "kind": "Deployment", "metadata": { "creationTimestamp": "2020-09-21T12:56:35Z", "name": "qos-demo", "labels": { "test": "qos" } }, "spec": { "replicas": 1, "selector": { "matchLabels": { "app": "nginx" } }, "template": { "metadata": { "creationTimestamp": "2020-09-21T12:56:35Z", "labels": { "app": "nginx" } }, "spec": { "containers": [ { "name": "nginx", "image": "nginx:latest", "resources": { "limits": { "cpu": "50m" } } } ]}}}}`),
|
|
Policy: []byte(`{ "apiVersion": "kyverno.io/v1", "kind": "ClusterPolicy", "metadata": { "name": "policy-qos" }, "spec": { "validationFailureAction": "enforce", "rules": [ { "name": "add-memory-limit", "match": { "resources": { "kinds": [ "apps/v1/deployment" ], "selector": { "matchLabels": { "test": "qos" } } } }, "mutate": { "overlay": { "spec": { "template": { "spec": { "containers": [ { "(name)": "*", "resources": { "limits": { "+(memory)": "300Mi", "+(cpu)": "100" } } } ] } } } } } } ] } }`),
|
|
areErrorsExpected: true,
|
|
},
|
|
}
|
|
|
|
for i, tc := range tcs {
|
|
var policy v1.Policy
|
|
err := json.Unmarshal(tc.Policy, &policy)
|
|
if err != nil {
|
|
t.Errorf("Testcase %d invalid policy raw", i+1)
|
|
}
|
|
resource, _ := kubeutils.BytesToUnstructured(tc.Resource)
|
|
|
|
for _, rule := range autogen.ComputeRules(&policy) {
|
|
err := MatchesResourceDescription(*resource, rule, tc.AdmissionInfo, nil, "", resource.GroupVersionKind(), "", "CREATE")
|
|
if err != nil {
|
|
if !tc.areErrorsExpected {
|
|
t.Errorf("Testcase %d Unexpected error: %v\nmsg: %s", i+1, err, tc.Description)
|
|
}
|
|
} else {
|
|
if tc.areErrorsExpected {
|
|
t.Errorf("Testcase %d Expected Error but received no error", i+1)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestMatchesResourceDescription_GenerateName(t *testing.T) {
|
|
tcs := []struct {
|
|
Description string
|
|
AdmissionInfo v1beta1.RequestInfo
|
|
Resource []byte
|
|
Policy []byte
|
|
areErrorsExpected bool
|
|
}{
|
|
{
|
|
Description: "Match Any matches the Pod",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"admin"},
|
|
},
|
|
Resource: []byte(`{
|
|
"apiVersion": "v1",
|
|
"kind": "Pod",
|
|
"metadata": {
|
|
"generateName": "abc",
|
|
"namespace" : "prod"
|
|
},
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"name": "cont-name",
|
|
"image": "cont-img",
|
|
"ports": [
|
|
{
|
|
"containerPort": 81
|
|
}
|
|
],
|
|
"resources": {
|
|
"limits": {
|
|
"memory": "30Mi",
|
|
"cpu": "0.2"
|
|
},
|
|
"requests": {
|
|
"memory": "20Mi",
|
|
"cpu": "0.1"
|
|
}
|
|
}
|
|
}
|
|
]
|
|
}
|
|
}`),
|
|
Policy: []byte(`{
|
|
"apiVersion": "kyverno.io/v1",
|
|
"kind": "ClusterPolicy",
|
|
"metadata": {
|
|
"name": "test-policy"
|
|
},
|
|
"spec": {
|
|
"background": false,
|
|
"rules": [
|
|
{
|
|
"name": "any-match-rule",
|
|
"match": {
|
|
"any": [
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
|
"Pod"
|
|
],
|
|
"names" : ["dev"]
|
|
}
|
|
},
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
|
"Pod"
|
|
],
|
|
"namespaces" : ["prod"]
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"mutate": {
|
|
"overlay": {
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"(image)": "*",
|
|
"imagePullPolicy": "IfNotPresent"
|
|
}
|
|
]
|
|
}
|
|
}
|
|
}
|
|
}
|
|
]
|
|
}
|
|
}`),
|
|
areErrorsExpected: false,
|
|
},
|
|
{
|
|
Description: "Match Any does not match the Pod",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"admin"},
|
|
},
|
|
Resource: []byte(`{
|
|
"apiVersion": "v1",
|
|
"kind": "Pod",
|
|
"metadata": {
|
|
"generateName": "abc",
|
|
"namespace" : "default"
|
|
},
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"name": "cont-name",
|
|
"image": "cont-img",
|
|
"ports": [
|
|
{
|
|
"containerPort": 81
|
|
}
|
|
],
|
|
"resources": {
|
|
"limits": {
|
|
"memory": "30Mi",
|
|
"cpu": "0.2"
|
|
},
|
|
"requests": {
|
|
"memory": "20Mi",
|
|
"cpu": "0.1"
|
|
}
|
|
}
|
|
}
|
|
]
|
|
}
|
|
}`),
|
|
Policy: []byte(`{
|
|
"apiVersion": "kyverno.io/v1",
|
|
"kind": "ClusterPolicy",
|
|
"metadata": {
|
|
"name": "test-policy"
|
|
},
|
|
"spec": {
|
|
"background": false,
|
|
"rules": [
|
|
{
|
|
"name": "test-rule",
|
|
"match": {
|
|
"any": [
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
|
"Pod"
|
|
],
|
|
"names" : ["dev"]
|
|
}
|
|
},
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
|
"Pod"
|
|
],
|
|
"namespaces" : ["prod"]
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"mutate": {
|
|
"overlay": {
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"(image)": "*",
|
|
"imagePullPolicy": "IfNotPresent"
|
|
}
|
|
]
|
|
}
|
|
}
|
|
}
|
|
}
|
|
]
|
|
}
|
|
}`),
|
|
areErrorsExpected: true,
|
|
},
|
|
{
|
|
Description: "Match All matches the Pod",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"admin"},
|
|
},
|
|
Resource: []byte(`{
|
|
"apiVersion": "v1",
|
|
"kind": "Pod",
|
|
"metadata": {
|
|
"generateName": "abc",
|
|
"namespace" : "prod"
|
|
},
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"name": "cont-name",
|
|
"image": "cont-img",
|
|
"ports": [
|
|
{
|
|
"containerPort": 81
|
|
}
|
|
],
|
|
"resources": {
|
|
"limits": {
|
|
"memory": "30Mi",
|
|
"cpu": "0.2"
|
|
},
|
|
"requests": {
|
|
"memory": "20Mi",
|
|
"cpu": "0.1"
|
|
}
|
|
}
|
|
}
|
|
]
|
|
}
|
|
}`),
|
|
Policy: []byte(`{
|
|
"apiVersion": "kyverno.io/v1",
|
|
"kind": "ClusterPolicy",
|
|
"metadata": {
|
|
"name": "test-policy"
|
|
},
|
|
"spec": {
|
|
"background": false,
|
|
"rules": [
|
|
{
|
|
"name": "test-rule",
|
|
"match": {
|
|
"all": [
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
|
"Pod"
|
|
],
|
|
"names" : ["abc"]
|
|
}
|
|
},
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
|
"Pod"
|
|
],
|
|
"namespaces" : ["prod"]
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"mutate": {
|
|
"overlay": {
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"(image)": "*",
|
|
"imagePullPolicy": "IfNotPresent"
|
|
}
|
|
]
|
|
}
|
|
}
|
|
}
|
|
}
|
|
]
|
|
}
|
|
}`),
|
|
areErrorsExpected: false,
|
|
},
|
|
{
|
|
Description: "Match All does not match the Pod",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"admin"},
|
|
},
|
|
Resource: []byte(`{
|
|
"apiVersion": "v1",
|
|
"kind": "Pod",
|
|
"metadata": {
|
|
"generateName": "abc",
|
|
"namespace" : "prod"
|
|
},
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"name": "cont-name",
|
|
"image": "cont-img",
|
|
"ports": [
|
|
{
|
|
"containerPort": 81
|
|
}
|
|
],
|
|
"resources": {
|
|
"limits": {
|
|
"memory": "30Mi",
|
|
"cpu": "0.2"
|
|
},
|
|
"requests": {
|
|
"memory": "20Mi",
|
|
"cpu": "0.1"
|
|
}
|
|
}
|
|
}
|
|
]
|
|
}
|
|
}`),
|
|
Policy: []byte(`{
|
|
"apiVersion": "kyverno.io/v1",
|
|
"kind": "ClusterPolicy",
|
|
"metadata": {
|
|
"name": "test-policy"
|
|
},
|
|
"spec": {
|
|
"background": false,
|
|
"rules": [
|
|
{
|
|
"name": "test-rule",
|
|
"match": {
|
|
"all": [
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
|
"Pod"
|
|
],
|
|
"names" : ["xyz"]
|
|
}
|
|
},
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
|
"Pod"
|
|
],
|
|
"namespaces" : ["prod"]
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"mutate": {
|
|
"overlay": {
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"(image)": "*",
|
|
"imagePullPolicy": "IfNotPresent"
|
|
}
|
|
]
|
|
}
|
|
}
|
|
}
|
|
}
|
|
]
|
|
}
|
|
}`),
|
|
areErrorsExpected: true,
|
|
},
|
|
{
|
|
Description: "Exclude Any excludes the Pod",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"admin"},
|
|
},
|
|
Resource: []byte(`{
|
|
"apiVersion": "v1",
|
|
"kind": "Pod",
|
|
"metadata": {
|
|
"generateName": "dev",
|
|
"namespace" : "prod"
|
|
},
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"name": "cont-name",
|
|
"image": "cont-img",
|
|
"ports": [
|
|
{
|
|
"containerPort": 81
|
|
}
|
|
],
|
|
"resources": {
|
|
"limits": {
|
|
"memory": "30Mi",
|
|
"cpu": "0.2"
|
|
},
|
|
"requests": {
|
|
"memory": "20Mi",
|
|
"cpu": "0.1"
|
|
}
|
|
}
|
|
}
|
|
]
|
|
}
|
|
}`),
|
|
Policy: []byte(`{
|
|
"apiVersion": "kyverno.io/v1",
|
|
"kind": "ClusterPolicy",
|
|
"metadata": {
|
|
"name": "test-policy"
|
|
},
|
|
"spec": {
|
|
"background": false,
|
|
"rules": [
|
|
{
|
|
"name": "test-rule",
|
|
"match": {
|
|
"all": [
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
|
"Pod"
|
|
]
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"exclude": {
|
|
"any": [
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
|
"Pod"
|
|
],
|
|
"names": [
|
|
"dev"
|
|
]
|
|
}
|
|
},
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
|
"Pod"
|
|
],
|
|
"namespaces": [
|
|
"default"
|
|
]
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"mutate": {
|
|
"overlay": {
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"(image)": "*",
|
|
"imagePullPolicy": "IfNotPresent"
|
|
}
|
|
]
|
|
}
|
|
}
|
|
}
|
|
}
|
|
]
|
|
}
|
|
}`),
|
|
areErrorsExpected: true,
|
|
},
|
|
{
|
|
Description: "Exclude Any does not exclude the Pod",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"admin"},
|
|
},
|
|
Resource: []byte(`{
|
|
"apiVersion": "v1",
|
|
"kind": "Pod",
|
|
"metadata": {
|
|
"generateName": "abc",
|
|
"namespace" : "prod"
|
|
},
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"name": "cont-name",
|
|
"image": "cont-img",
|
|
"ports": [
|
|
{
|
|
"containerPort": 81
|
|
}
|
|
],
|
|
"resources": {
|
|
"limits": {
|
|
"memory": "30Mi",
|
|
"cpu": "0.2"
|
|
},
|
|
"requests": {
|
|
"memory": "20Mi",
|
|
"cpu": "0.1"
|
|
}
|
|
}
|
|
}
|
|
]
|
|
}
|
|
}`),
|
|
Policy: []byte(`{
|
|
"apiVersion": "kyverno.io/v1",
|
|
"kind": "ClusterPolicy",
|
|
"metadata": {
|
|
"name": "test-policy"
|
|
},
|
|
"spec": {
|
|
"background": false,
|
|
"rules": [
|
|
{
|
|
"name": "test-rule",
|
|
"match": {
|
|
"all": [
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
|
"Pod"
|
|
]
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"exclude": {
|
|
"any": [
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
|
"Pod"
|
|
],
|
|
"names": [
|
|
"dev"
|
|
]
|
|
}
|
|
},
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
|
"Pod"
|
|
],
|
|
"namespaces": [
|
|
"default"
|
|
]
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"mutate": {
|
|
"overlay": {
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"(image)": "*",
|
|
"imagePullPolicy": "IfNotPresent"
|
|
}
|
|
]
|
|
}
|
|
}
|
|
}
|
|
}
|
|
]
|
|
}
|
|
}`),
|
|
areErrorsExpected: false,
|
|
},
|
|
{
|
|
Description: "Exclude All excludes the Pod",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"admin"},
|
|
},
|
|
Resource: []byte(`{
|
|
"apiVersion": "v1",
|
|
"kind": "Pod",
|
|
"metadata": {
|
|
"generateName": "dev",
|
|
"namespace" : "prod"
|
|
},
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"name": "cont-name",
|
|
"image": "cont-img",
|
|
"ports": [
|
|
{
|
|
"containerPort": 81
|
|
}
|
|
],
|
|
"resources": {
|
|
"limits": {
|
|
"memory": "30Mi",
|
|
"cpu": "0.2"
|
|
},
|
|
"requests": {
|
|
"memory": "20Mi",
|
|
"cpu": "0.1"
|
|
}
|
|
}
|
|
}
|
|
]
|
|
}
|
|
}`),
|
|
Policy: []byte(`{
|
|
"apiVersion": "kyverno.io/v1",
|
|
"kind": "ClusterPolicy",
|
|
"metadata": {
|
|
"name": "test-policy"
|
|
},
|
|
"spec": {
|
|
"background": false,
|
|
"rules": [
|
|
{
|
|
"name": "test-rule",
|
|
"match": {
|
|
"all": [
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
|
"Pod"
|
|
]
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"exclude": {
|
|
"all": [
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
|
"Pod"
|
|
],
|
|
"names": [
|
|
"dev"
|
|
]
|
|
}
|
|
},
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
|
"Pod"
|
|
],
|
|
"namespaces": [
|
|
"prod"
|
|
]
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"mutate": {
|
|
"overlay": {
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"(image)": "*",
|
|
"imagePullPolicy": "IfNotPresent"
|
|
}
|
|
]
|
|
}
|
|
}
|
|
}
|
|
}
|
|
]
|
|
}
|
|
}`),
|
|
areErrorsExpected: true,
|
|
},
|
|
{
|
|
Description: "Exclude All does not exclude the Pod",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"admin"},
|
|
},
|
|
Resource: []byte(`{
|
|
"apiVersion": "v1",
|
|
"kind": "Pod",
|
|
"metadata": {
|
|
"generateName": "abc",
|
|
"namespace" : "prod"
|
|
},
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"name": "cont-name",
|
|
"image": "cont-img",
|
|
"ports": [
|
|
{
|
|
"containerPort": 81
|
|
}
|
|
],
|
|
"resources": {
|
|
"limits": {
|
|
"memory": "30Mi",
|
|
"cpu": "0.2"
|
|
},
|
|
"requests": {
|
|
"memory": "20Mi",
|
|
"cpu": "0.1"
|
|
}
|
|
}
|
|
}
|
|
]
|
|
}
|
|
}`),
|
|
Policy: []byte(`{
|
|
"apiVersion": "kyverno.io/v1",
|
|
"kind": "ClusterPolicy",
|
|
"metadata": {
|
|
"name": "test-policy"
|
|
},
|
|
"spec": {
|
|
"background": false,
|
|
"rules": [
|
|
{
|
|
"name": "test-rule",
|
|
"match": {
|
|
"all": [
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
|
"Pod"
|
|
]
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"exclude": {
|
|
"all": [
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
|
"Pod"
|
|
],
|
|
"names": [
|
|
"abc"
|
|
]
|
|
}
|
|
},
|
|
{
|
|
"resources": {
|
|
"kinds": [
|
|
"Pod"
|
|
],
|
|
"namespaces": [
|
|
"default"
|
|
]
|
|
}
|
|
}
|
|
]
|
|
},
|
|
"mutate": {
|
|
"overlay": {
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"(image)": "*",
|
|
"imagePullPolicy": "IfNotPresent"
|
|
}
|
|
]
|
|
}
|
|
}
|
|
}
|
|
}
|
|
]
|
|
}
|
|
}`),
|
|
areErrorsExpected: false,
|
|
},
|
|
{
|
|
Description: "Should match pod and not exclude it",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"admin"},
|
|
},
|
|
Resource: []byte(`{"apiVersion":"v1","kind":"Pod","metadata":{"generateName":"hello-world","labels":{"name":"hello-world"}},"spec":{"containers":[{"name":"hello-world","image":"hello-world","ports":[{"containerPort":81}],"resources":{"limits":{"memory":"30Mi","cpu":"0.2"},"requests":{"memory":"20Mi","cpu":"0.1"}}}]}}`),
|
|
Policy: []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"hello-world-policy"},"spec":{"background":false,"rules":[{"name":"hello-world-policy","match":{"resources":{"kinds":["Pod"]}},"exclude":{"resources":{"name":"hello-world"},"clusterRoles":["system:node"]},"mutate":{"overlay":{"spec":{"containers":[{"(image)":"*","imagePullPolicy":"IfNotPresent"}]}}}}]}}`),
|
|
areErrorsExpected: false,
|
|
},
|
|
{
|
|
Description: "Should exclude resource since it matches the exclude block",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"system:node"},
|
|
},
|
|
Resource: []byte(`{"apiVersion":"v1","kind":"Pod","metadata":{"generateName":"hello-world","labels":{"name":"hello-world"}},"spec":{"containers":[{"name":"hello-world","image":"hello-world","ports":[{"containerPort":81}],"resources":{"limits":{"memory":"30Mi","cpu":"0.2"},"requests":{"memory":"20Mi","cpu":"0.1"}}}]}}`),
|
|
Policy: []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"hello-world-policy"},"spec":{"background":false,"rules":[{"name":"hello-world-policy","match":{"resources":{"kinds":["Pod"]}},"exclude":{"resources":{"name":"hello-world"},"clusterRoles":["system:node"]},"mutate":{"overlay":{"spec":{"containers":[{"(image)":"*","imagePullPolicy":"IfNotPresent"}]}}}}]}}`),
|
|
areErrorsExpected: true,
|
|
},
|
|
{
|
|
Description: "Should not fail if in sync mode, if admission info is empty it should still match resources with specific clusterRoles",
|
|
Resource: []byte(`{"apiVersion":"v1","kind":"Pod","metadata":{"generateName":"hello-world","labels":{"name":"hello-world"}},"spec":{"containers":[{"name":"hello-world","image":"hello-world","ports":[{"containerPort":81}],"resources":{"limits":{"memory":"30Mi","cpu":"0.2"},"requests":{"memory":"20Mi","cpu":"0.1"}}}]}}`),
|
|
Policy: []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"hello-world-policy"},"spec":{"background":false,"rules":[{"name":"hello-world-policy","match":{"resources":{"kinds":["Pod"]}},"exclude":{"resources":{"name":"hello-world"},"clusterRoles":["system:node"]},"mutate":{"overlay":{"spec":{"containers":[{"(image)":"*","imagePullPolicy":"IfNotPresent"}]}}}}]}}`),
|
|
areErrorsExpected: false,
|
|
},
|
|
{
|
|
Description: "Should fail since resource does not match because of names field",
|
|
Resource: []byte(`{"apiVersion":"v1","kind":"Pod","metadata":{"generateName":"hello-world","labels":{"name":"hello-world"}},"spec":{"containers":[{"name":"hello-world","image":"hello-world","ports":[{"containerPort":81}],"resources":{"limits":{"memory":"30Mi","cpu":"0.2"},"requests":{"memory":"20Mi","cpu":"0.1"}}}]}}`),
|
|
Policy: []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"hello-world-policy"},"spec":{"background":false,"rules":[{"name":"hello-world-policy","match":{"resources":{"kinds":["Pod"],"names": ["dev-*"]},"clusterRoles":["system:node"]},"mutate":{"overlay":{"spec":{"containers":[{"(image)":"*","imagePullPolicy":"IfNotPresent"}]}}}}]}}`),
|
|
areErrorsExpected: true,
|
|
},
|
|
{
|
|
Description: "Should pass since resource matches a name in the names field",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"system:node"},
|
|
},
|
|
Resource: []byte(`{"apiVersion":"v1","kind":"Pod","metadata":{"generateName":"hello-world","labels":{"name":"hello-world"}},"spec":{"containers":[{"name":"hello-world","image":"hello-world","ports":[{"containerPort":81}],"resources":{"limits":{"memory":"30Mi","cpu":"0.2"},"requests":{"memory":"20Mi","cpu":"0.1"}}}]}}`),
|
|
Policy: []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"hello-world-policy"},"spec":{"background":false,"rules":[{"name":"hello-world-policy","match":{"resources":{"kinds":["Pod"],"names": ["dev-*","hello-world"]},"clusterRoles":["system:node"]},"mutate":{"overlay":{"spec":{"containers":[{"(image)":"*","imagePullPolicy":"IfNotPresent"}]}}}}]}}`),
|
|
areErrorsExpected: false,
|
|
},
|
|
{
|
|
Description: "Should fail since resource gets excluded because of the names field",
|
|
Resource: []byte(`{"apiVersion":"v1","kind":"Pod","metadata":{"generateName":"hello-world","labels":{"name":"hello-world"}},"spec":{"containers":[{"name":"hello-world","image":"hello-world","ports":[{"containerPort":81}],"resources":{"limits":{"memory":"30Mi","cpu":"0.2"},"requests":{"memory":"20Mi","cpu":"0.1"}}}]}}`),
|
|
Policy: []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"hello-world-policy"},"spec":{"background":false,"rules":[{"name":"hello-world-policy","match":{"resources":{"kinds":["Pod"]}},"exclude":{"resources":{"names": ["dev-*","hello-*"]}},"mutate":{"overlay":{"spec":{"containers":[{"(image)":"*","imagePullPolicy":"IfNotPresent"}]}}}}]}}`),
|
|
areErrorsExpected: true,
|
|
},
|
|
{
|
|
Description: "Should pass since resource does not get excluded because of the names field",
|
|
Resource: []byte(`{"apiVersion":"v1","kind":"Pod","metadata":{"generateName":"bye-world","labels":{"name":"hello-world"}},"spec":{"containers":[{"name":"hello-world","image":"hello-world","ports":[{"containerPort":81}],"resources":{"limits":{"memory":"30Mi","cpu":"0.2"},"requests":{"memory":"20Mi","cpu":"0.1"}}}]}}`),
|
|
Policy: []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"hello-world-policy"},"spec":{"background":false,"rules":[{"name":"hello-world-policy","match":{"resources":{"kinds":["Pod"]}},"exclude":{"resources":{"names": ["dev-*","hello-*"]}},"mutate":{"overlay":{"spec":{"containers":[{"(image)":"*","imagePullPolicy":"IfNotPresent"}]}}}}]}}`),
|
|
areErrorsExpected: false,
|
|
},
|
|
{
|
|
Description: "Should fail since resource does not match policy",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"admin"},
|
|
},
|
|
Resource: []byte(`{"apiVersion":"v1","kind":"Service","metadata":{"generateName":"hello-world","labels":{"name":"hello-world"}},"spec":{"containers":[{"name":"hello-world","image":"hello-world","ports":[{"containerPort":81}],"resources":{"limits":{"memory":"30Mi","cpu":"0.2"},"requests":{"memory":"20Mi","cpu":"0.1"}}}]}}`),
|
|
Policy: []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"hello-world-policy"},"spec":{"background":false,"rules":[{"name":"hello-world-policy","match":{"resources":{"kinds":["Pod"]}},"exclude":{"resources":{"name":"hello-world"},"clusterRoles":["system:node"]},"mutate":{"overlay":{"spec":{"containers":[{"(image)":"*","imagePullPolicy":"IfNotPresent"}]}}}}]}}`),
|
|
areErrorsExpected: true,
|
|
},
|
|
{
|
|
Description: "Should not fail since resource does not match exclude block",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"system:node"},
|
|
},
|
|
Resource: []byte(`{"apiVersion":"v1","kind":"Pod","metadata":{"generateName":"hello-world2","labels":{"name":"hello-world"}},"spec":{"containers":[{"name":"hello-world","image":"hello-world","ports":[{"containerPort":81}],"resources":{"limits":{"memory":"30Mi","cpu":"0.2"},"requests":{"memory":"20Mi","cpu":"0.1"}}}]}}`),
|
|
Policy: []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"hello-world-policy"},"spec":{"background":false,"rules":[{"name":"hello-world-policy","match":{"resources":{"kinds":["Pod"]}},"exclude":{"resources":{"name":"hello-world"},"clusterRoles":["system:node"]},"mutate":{"overlay":{"spec":{"containers":[{"(image)":"*","imagePullPolicy":"IfNotPresent"}]}}}}]}}`),
|
|
areErrorsExpected: false,
|
|
},
|
|
{
|
|
Description: "Should pass since group, version, kind match",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"admin"},
|
|
},
|
|
Resource: []byte(`{ "apiVersion": "apps/v1", "kind": "Deployment", "metadata": { "creationTimestamp": "2020-09-21T12:56:35Z", "generateName": "qos-demo", "labels": { "test": "qos" } }, "spec": { "replicas": 1, "selector": { "matchLabels": { "app": "nginx" } }, "template": { "metadata": { "creationTimestamp": "2020-09-21T12:56:35Z", "labels": { "app": "nginx" } }, "spec": { "containers": [ { "name": "nginx", "image": "nginx:latest", "resources": { "limits": { "cpu": "50m" } } } ]}}}}`),
|
|
Policy: []byte(`{ "apiVersion": "kyverno.io/v1", "kind": "ClusterPolicy", "metadata": { "name": "policy-qos" }, "spec": { "validationFailureAction": "enforce", "rules": [ { "name": "add-memory-limit", "match": { "resources": { "kinds": [ "apps/v1/Deployment" ], "selector": { "matchLabels": { "test": "qos" } } } }, "mutate": { "overlay": { "spec": { "template": { "spec": { "containers": [ { "(name)": "*", "resources": { "limits": { "+(memory)": "300Mi", "+(cpu)": "100" } } } ] } } } } } }, { "name": "check-cpu-memory-limits", "match": { "resources": { "kinds": [ "apps/v1/Deployment" ], "selector": { "matchLabels": { "test": "qos" } } } }, "validate": { "message": "Resource limits are required for CPU and memory", "pattern": { "spec": { "template": { "spec": { "containers": [ { "(name)": "*", "resources": { "limits": { "memory": "?*", "cpu": "?*" } } } ] } } } } } } ] } }`),
|
|
areErrorsExpected: false,
|
|
},
|
|
{
|
|
Description: "Should pass since version and kind match",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"admin"},
|
|
},
|
|
Resource: []byte(`{ "apiVersion": "v1", "kind": "Pod", "metadata": { "generateName": "myapp-pod2", "labels": { "app": "myapp2" } }, "spec": { "containers": [ { "name": "nginx", "image": "nginx" } ] } }`),
|
|
Policy: []byte(`{ "apiVersion": "kyverno.io/v1", "kind": "ClusterPolicy", "metadata": { "name": "disallow-latest-tag", "annotations": { "policies.kyverno.io/category": "Workload Isolation", "policies.kyverno.io/description": "The ':latest' tag is mutable and can lead to unexpected errors if the image changes. A best practice is to use an immutable tag that maps to a specific version of an application pod." } }, "spec": { "validationFailureAction": "enforce", "rules": [ { "name": "require-image-tag", "match": { "resources": { "kinds": [ "v1/Pod" ] } }, "validate": { "message": "An image tag is required", "pattern": { "spec": { "containers": [ { "image": "*:*" } ] } } } } ] } }`),
|
|
areErrorsExpected: false,
|
|
},
|
|
{
|
|
Description: "Should fail since resource does not match ",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"admin"},
|
|
},
|
|
Resource: []byte(`{"apiVersion":"v1","kind":"Service","metadata":{"generateName":"hello-world","labels":{"name":"hello-world"}},"spec":{"containers":[{"name":"hello-world","image":"hello-world","ports":[{"containerPort":81}],"resources":{"limits":{"memory":"30Mi","cpu":"0.2"},"requests":{"memory":"20Mi","cpu":"0.1"}}}]}}`),
|
|
Policy: []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"hello-world-policy"},"spec":{"background":false,"rules":[{"name":"hello-world-policy","match":{"resources":{"kinds":["Pod"]}},"exclude":{"resources":{"name":"hello-world"},"clusterRoles":["system:node"]},"mutate":{"overlay":{"spec":{"containers":[{"(image)":"*","imagePullPolicy":"IfNotPresent"}]}}}}]}}`),
|
|
areErrorsExpected: true,
|
|
},
|
|
{
|
|
Description: "Should fail since version not match",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"admin"},
|
|
},
|
|
Resource: []byte(`{ "apiVersion": "apps/v1beta1", "kind": "Deployment", "metadata": { "creationTimestamp": "2020-09-21T12:56:35Z", "generateName": "qos-demo", "labels": { "test": "qos" } }, "spec": { "replicas": 1, "selector": { "matchLabels": { "app": "nginx" } }, "template": { "metadata": { "creationTimestamp": "2020-09-21T12:56:35Z", "labels": { "app": "nginx" } }, "spec": { "containers": [ { "name": "nginx", "image": "nginx:latest", "resources": { "limits": { "cpu": "50m" } } } ]}}}}`),
|
|
Policy: []byte(`{ "apiVersion": "kyverno.io/v1", "kind": "ClusterPolicy", "metadata": { "name": "policy-qos" }, "spec": { "validationFailureAction": "enforce", "rules": [ { "name": "add-memory-limit", "match": { "resources": { "kinds": [ "apps/v1/Deployment" ], "selector": { "matchLabels": { "test": "qos" } } } }, "mutate": { "overlay": { "spec": { "template": { "spec": { "containers": [ { "(name)": "*", "resources": { "limits": { "+(memory)": "300Mi", "+(cpu)": "100" } } } ] } } } } } }, { "name": "check-cpu-memory-limits", "match": { "resources": { "kinds": [ "apps/v1/Deployment" ], "selector": { "matchLabels": { "test": "qos" } } } }, "validate": { "message": "Resource limits are required for CPU and memory", "pattern": { "spec": { "template": { "spec": { "containers": [ { "(name)": "*", "resources": { "limits": { "memory": "?*", "cpu": "?*" } } } ] } } } } } } ] } }`),
|
|
areErrorsExpected: true,
|
|
},
|
|
{
|
|
Description: "Should fail since cluster role version not match",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"admin"},
|
|
},
|
|
Resource: []byte(`{ "kind": "ClusterRole", "apiVersion": "rbac.authorization.k8s.io/v1", "metadata": { "generateName": "secret-reader-demo", "namespace": "default" }, "rules": [ { "apiGroups": [ "" ], "resources": [ "secrets" ], "verbs": [ "get", "watch", "list" ] } ] }`),
|
|
Policy: []byte(`{ "apiVersion": "kyverno.io/v1", "kind": "ClusterPolicy", "metadata": { "name": "check-host-path" }, "spec": { "validationFailureAction": "enforce", "background": true, "rules": [ { "name": "check-host-path", "match": { "resources": { "kinds": [ "rbac.authorization.k8s.io/v1beta1/ClusterRole" ] } }, "validate": { "message": "Host path is not allowed", "pattern": { "spec": { "volumes": [ { "name": "*", "hostPath": { "path": "" } } ] } } } } ] } }`),
|
|
areErrorsExpected: true,
|
|
},
|
|
{
|
|
Description: "Test for GVK case sensitive",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"admin"},
|
|
},
|
|
Resource: []byte(`{ "apiVersion": "v1", "kind": "Pod", "metadata": { "generateName": "myapp-pod2", "labels": { "app": "myapp2" } }, "spec": { "containers": [ { "name": "nginx", "image": "nginx" } ] } }`),
|
|
Policy: []byte(`{ "apiVersion": "kyverno.io/v1", "kind": "ClusterPolicy", "metadata": { "name": "disallow-latest-tag", "annotations": { "policies.kyverno.io/category": "Workload Isolation", "policies.kyverno.io/description": "The ':latest' tag is mutable and can lead to unexpected errors if the image changes. A best practice is to use an immutable tag that maps to a specific version of an application pod." } }, "spec": { "validationFailureAction": "enforce", "rules": [ { "name": "require-image-tag", "match": { "resources": { "kinds": [ "pod" ] } }, "validate": { "message": "An image tag is required", "pattern": { "spec": { "containers": [ { "image": "*:*" } ] } } } } ] } }`),
|
|
areErrorsExpected: true,
|
|
},
|
|
{
|
|
Description: "Test should fail for GVK case sensitive",
|
|
AdmissionInfo: v1beta1.RequestInfo{
|
|
ClusterRoles: []string{"admin"},
|
|
},
|
|
Resource: []byte(`{ "apiVersion": "apps/v1", "kind": "Deployment", "metadata": { "creationTimestamp": "2020-09-21T12:56:35Z", "generateName": "qos-demo", "labels": { "test": "qos" } }, "spec": { "replicas": 1, "selector": { "matchLabels": { "app": "nginx" } }, "template": { "metadata": { "creationTimestamp": "2020-09-21T12:56:35Z", "labels": { "app": "nginx" } }, "spec": { "containers": [ { "name": "nginx", "image": "nginx:latest", "resources": { "limits": { "cpu": "50m" } } } ]}}}}`),
|
|
Policy: []byte(`{ "apiVersion": "kyverno.io/v1", "kind": "ClusterPolicy", "metadata": { "name": "policy-qos" }, "spec": { "validationFailureAction": "enforce", "rules": [ { "name": "add-memory-limit", "match": { "resources": { "kinds": [ "apps/v1/deployment" ], "selector": { "matchLabels": { "test": "qos" } } } }, "mutate": { "overlay": { "spec": { "template": { "spec": { "containers": [ { "(name)": "*", "resources": { "limits": { "+(memory)": "300Mi", "+(cpu)": "100" } } } ] } } } } } } ] } }`),
|
|
areErrorsExpected: true,
|
|
},
|
|
}
|
|
|
|
for i, tc := range tcs {
|
|
var policy v1.Policy
|
|
err := json.Unmarshal(tc.Policy, &policy)
|
|
if err != nil {
|
|
t.Errorf("Testcase %d invalid policy raw", i+1)
|
|
}
|
|
resource, _ := kubeutils.BytesToUnstructured(tc.Resource)
|
|
|
|
for _, rule := range autogen.ComputeRules(&policy) {
|
|
err := MatchesResourceDescription(*resource, rule, tc.AdmissionInfo, nil, "", resource.GroupVersionKind(), "", "CREATE")
|
|
if err != nil {
|
|
if !tc.areErrorsExpected {
|
|
t.Errorf("Testcase %d Unexpected error: %v\nmsg: %s", i+1, err, tc.Description)
|
|
}
|
|
} else {
|
|
if tc.areErrorsExpected {
|
|
t.Errorf("Testcase %d Expected Error but received no error", i+1)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Match multiple kinds
|
|
func TestResourceDescriptionMatch_MultipleKind(t *testing.T) {
|
|
rawResource := []byte(`{
|
|
"apiVersion": "apps/v1",
|
|
"kind": "Deployment",
|
|
"metadata": {
|
|
"name": "nginx-deployment",
|
|
"labels": {
|
|
"app": "nginx"
|
|
}
|
|
},
|
|
"spec": {
|
|
"replicas": 3,
|
|
"selector": {
|
|
"matchLabels": {
|
|
"app": "nginx"
|
|
}
|
|
},
|
|
"template": {
|
|
"metadata": {
|
|
"labels": {
|
|
"app": "nginx"
|
|
}
|
|
},
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"name": "nginx",
|
|
"image": "nginx:1.7.9",
|
|
"ports": [
|
|
{
|
|
"containerPort": 80
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
}
|
|
}
|
|
}`)
|
|
resource, err := kubeutils.BytesToUnstructured(rawResource)
|
|
if err != nil {
|
|
t.Errorf("unable to convert raw resource to unstructured: %v", err)
|
|
}
|
|
resourceDescription := v1.ResourceDescription{
|
|
Kinds: []string{"Deployment", "Pods"},
|
|
Selector: &metav1.LabelSelector{
|
|
MatchLabels: nil,
|
|
MatchExpressions: nil,
|
|
},
|
|
}
|
|
rule := v1.Rule{MatchResources: v1.MatchResources{ResourceDescription: resourceDescription}}
|
|
|
|
if err := MatchesResourceDescription(*resource, rule, v1beta1.RequestInfo{}, nil, "", resource.GroupVersionKind(), "", "CREATE"); err != nil {
|
|
t.Errorf("Testcase has failed due to the following:%v", err)
|
|
}
|
|
}
|
|
|
|
func TestResourceDescriptionMatch_ExcludeDefaultGroups(t *testing.T) {
|
|
|
|
// slightly simplified ingress controller pod that lives in the ingress-nginx namespace
|
|
rawResource := []byte(`{
|
|
"apiVersion": "v1",
|
|
"kind": "Pod",
|
|
"metadata": {
|
|
"name": "ingress-nginx-controller-57bc6474bb-mcpt2",
|
|
"namespace": "ingress-nginx"
|
|
},
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"args": ["/nginx-ingress-controller"],
|
|
"env": [],
|
|
"image": "registry.k8s.io/ingress-nginx/controller:v1.5.1",
|
|
"imagePullPolicy": "IfNotPresent",
|
|
"name": "controller",
|
|
"securityContext": {
|
|
"allowPrivilegeEscalation": true,
|
|
"capabilities": {
|
|
"add": [
|
|
"NET_BIND_SERVICE"
|
|
],
|
|
"drop": [
|
|
"ALL"
|
|
]
|
|
},
|
|
"runAsUser": 101
|
|
},
|
|
"volumeMounts": [
|
|
{
|
|
"mountPath": "/usr/local/certificates/",
|
|
"name": "webhook-cert",
|
|
"readOnly": true
|
|
},
|
|
{
|
|
"mountPath": "/var/run/secrets/kubernetes.io/serviceaccount",
|
|
"name": "kube-api-access-vc2qz",
|
|
"readOnly": true
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"securityContext": {},
|
|
"serviceAccount": "ingress-nginx",
|
|
"serviceAccountName": "ingress-nginx"
|
|
}
|
|
}`)
|
|
resource, err := kubeutils.BytesToUnstructured(rawResource)
|
|
if err != nil {
|
|
t.Errorf("unable to convert raw resource to unstructured: %v", err)
|
|
}
|
|
|
|
// this rule should match only pods in the user1-restricted namespace, and also pods of User:user1.
|
|
rule := v1.Rule{
|
|
MatchResources: v1.MatchResources{Any: v1.ResourceFilters{
|
|
// pods in user1-restricted namespace
|
|
v1.ResourceFilter{
|
|
ResourceDescription: v1.ResourceDescription{
|
|
Kinds: []string{"Pod"},
|
|
Namespaces: []string{
|
|
"user1-restricted",
|
|
},
|
|
},
|
|
},
|
|
// pods for User user1 account
|
|
v1.ResourceFilter{
|
|
ResourceDescription: v1.ResourceDescription{
|
|
Kinds: []string{"Pod"},
|
|
},
|
|
UserInfo: v1.UserInfo{
|
|
Subjects: []rbacv1.Subject{
|
|
{
|
|
Kind: "User",
|
|
Name: "user1",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}},
|
|
ExcludeResources: v1.MatchResources{},
|
|
}
|
|
|
|
// this is the request info that was also passed with the mocked pod
|
|
requestInfo := v1beta1.RequestInfo{
|
|
AdmissionUserInfo: authenticationv1.UserInfo{
|
|
Username: "system:serviceaccount:kube-system:replicaset-controller",
|
|
UID: "8f36cad4-eb68-4931-bea8-8a42dd1fee4c",
|
|
Groups: []string{
|
|
"system:serviceaccounts",
|
|
"system:serviceaccounts:kube-system",
|
|
"system:authenticated",
|
|
},
|
|
},
|
|
}
|
|
|
|
// First test: confirm that this above rule produces errors (and raise an error if err == nil)
|
|
if err := MatchesResourceDescription(*resource, rule, requestInfo, nil, "", resource.GroupVersionKind(), "", "CREATE"); err == nil {
|
|
t.Error("Testcase was expected to fail, but err was nil")
|
|
}
|
|
|
|
// This next rule *should* match, because we explicitly match the ingress-nginx namespace this time.
|
|
rule2 := v1.Rule{
|
|
MatchResources: v1.MatchResources{Any: v1.ResourceFilters{
|
|
v1.ResourceFilter{
|
|
ResourceDescription: v1.ResourceDescription{
|
|
Kinds: []string{"Pod"},
|
|
Namespaces: []string{
|
|
"ingress-nginx",
|
|
},
|
|
},
|
|
},
|
|
}},
|
|
ExcludeResources: v1.MatchResources{Any: v1.ResourceFilters{}},
|
|
}
|
|
|
|
// Second test: confirm that matching this rule does not create any errors (and raise if err != nil)
|
|
if err := MatchesResourceDescription(*resource, rule2, requestInfo, nil, "", resource.GroupVersionKind(), "", "CREATE"); err != nil {
|
|
t.Errorf("Testcase was expected to not fail, but err was %s", err)
|
|
}
|
|
|
|
// Now we extend the previous rule to have an Exclude part. Making it 'not-empty' should make the exclude-code run.
|
|
rule2.ExcludeResources = v1.MatchResources{Any: v1.ResourceFilters{
|
|
v1.ResourceFilter{
|
|
ResourceDescription: v1.ResourceDescription{
|
|
Kinds: []string{"Pod"},
|
|
},
|
|
},
|
|
}}
|
|
|
|
// Third test: confirm that now the custom exclude-snippet should run in CheckSubjects() and that should result in this rule failing (raise if err == nil for that reason)
|
|
if err := MatchesResourceDescription(*resource, rule2, requestInfo, nil, "", resource.GroupVersionKind(), "", "CREATE"); err == nil {
|
|
t.Error("Testcase was expected to fail, but err was nil #1!")
|
|
}
|
|
}
|
|
|
|
// Match resource name
|
|
func TestResourceDescriptionMatch_Name(t *testing.T) {
|
|
rawResource := []byte(`{
|
|
"apiVersion": "apps/v1",
|
|
"kind": "Deployment",
|
|
"metadata": {
|
|
"name": "nginx-deployment",
|
|
"labels": {
|
|
"app": "nginx"
|
|
}
|
|
},
|
|
"spec": {
|
|
"replicas": 3,
|
|
"selector": {
|
|
"matchLabels": {
|
|
"app": "nginx"
|
|
}
|
|
},
|
|
"template": {
|
|
"metadata": {
|
|
"labels": {
|
|
"app": "nginx"
|
|
}
|
|
},
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"name": "nginx",
|
|
"image": "nginx:1.7.9",
|
|
"ports": [
|
|
{
|
|
"containerPort": 80
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
}
|
|
}
|
|
}`)
|
|
resource, err := kubeutils.BytesToUnstructured(rawResource)
|
|
if err != nil {
|
|
t.Errorf("unable to convert raw resource to unstructured: %v", err)
|
|
}
|
|
resourceDescription := v1.ResourceDescription{
|
|
Kinds: []string{"Deployment"},
|
|
Name: "nginx-deployment",
|
|
Selector: &metav1.LabelSelector{
|
|
MatchLabels: nil,
|
|
MatchExpressions: nil,
|
|
},
|
|
}
|
|
rule := v1.Rule{MatchResources: v1.MatchResources{ResourceDescription: resourceDescription}}
|
|
|
|
if err := MatchesResourceDescription(*resource, rule, v1beta1.RequestInfo{}, nil, "", resource.GroupVersionKind(), "", "CREATE"); err != nil {
|
|
t.Errorf("Testcase has failed due to the following:%v", err)
|
|
}
|
|
}
|
|
|
|
func TestResourceDescriptionMatch_GenerateName(t *testing.T) {
|
|
rawResource := []byte(`{
|
|
"apiVersion": "apps/v1",
|
|
"kind": "Deployment",
|
|
"metadata": {
|
|
"generateName": "nginx-deployment",
|
|
"labels": {
|
|
"app": "nginx"
|
|
}
|
|
},
|
|
"spec": {
|
|
"replicas": 3,
|
|
"selector": {
|
|
"matchLabels": {
|
|
"app": "nginx"
|
|
}
|
|
},
|
|
"template": {
|
|
"metadata": {
|
|
"labels": {
|
|
"app": "nginx"
|
|
}
|
|
},
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"name": "nginx",
|
|
"image": "nginx:1.7.9",
|
|
"ports": [
|
|
{
|
|
"containerPort": 80
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
}
|
|
}
|
|
}`)
|
|
resource, err := kubeutils.BytesToUnstructured(rawResource)
|
|
if err != nil {
|
|
t.Errorf("unable to convert raw resource to unstructured: %v", err)
|
|
}
|
|
resourceDescription := v1.ResourceDescription{
|
|
Kinds: []string{"Deployment"},
|
|
Name: "nginx-deployment",
|
|
Selector: &metav1.LabelSelector{
|
|
MatchLabels: nil,
|
|
MatchExpressions: nil,
|
|
},
|
|
}
|
|
rule := v1.Rule{MatchResources: v1.MatchResources{ResourceDescription: resourceDescription}}
|
|
|
|
if err := MatchesResourceDescription(*resource, rule, v1beta1.RequestInfo{}, nil, "", resource.GroupVersionKind(), "", "CREATE"); err != nil {
|
|
t.Errorf("Testcase has failed due to the following:%v", err)
|
|
}
|
|
}
|
|
|
|
// Match resource regex
|
|
func TestResourceDescriptionMatch_Name_Regex(t *testing.T) {
|
|
rawResource := []byte(`{
|
|
"apiVersion": "apps/v1",
|
|
"kind": "Deployment",
|
|
"metadata": {
|
|
"name": "nginx-deployment",
|
|
"labels": {
|
|
"app": "nginx"
|
|
}
|
|
},
|
|
"spec": {
|
|
"replicas": 3,
|
|
"selector": {
|
|
"matchLabels": {
|
|
"app": "nginx"
|
|
}
|
|
},
|
|
"template": {
|
|
"metadata": {
|
|
"labels": {
|
|
"app": "nginx"
|
|
}
|
|
},
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"name": "nginx",
|
|
"image": "nginx:1.7.9",
|
|
"ports": [
|
|
{
|
|
"containerPort": 80
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
}
|
|
}
|
|
}`)
|
|
resource, err := kubeutils.BytesToUnstructured(rawResource)
|
|
if err != nil {
|
|
t.Errorf("unable to convert raw resource to unstructured: %v", err)
|
|
}
|
|
resourceDescription := v1.ResourceDescription{
|
|
Kinds: []string{"Deployment"},
|
|
Name: "nginx-*",
|
|
Selector: &metav1.LabelSelector{
|
|
MatchLabels: nil,
|
|
MatchExpressions: nil,
|
|
},
|
|
}
|
|
rule := v1.Rule{MatchResources: v1.MatchResources{ResourceDescription: resourceDescription}}
|
|
|
|
if err := MatchesResourceDescription(*resource, rule, v1beta1.RequestInfo{}, nil, "", resource.GroupVersionKind(), "", "CREATE"); err != nil {
|
|
t.Errorf("Testcase has failed due to the following:%v", err)
|
|
}
|
|
}
|
|
|
|
func TestResourceDescriptionMatch_GenerateName_Regex(t *testing.T) {
|
|
rawResource := []byte(`{
|
|
"apiVersion": "apps/v1",
|
|
"kind": "Deployment",
|
|
"metadata": {
|
|
"generateName": "nginx-deployment",
|
|
"labels": {
|
|
"app": "nginx"
|
|
}
|
|
},
|
|
"spec": {
|
|
"replicas": 3,
|
|
"selector": {
|
|
"matchLabels": {
|
|
"app": "nginx"
|
|
}
|
|
},
|
|
"template": {
|
|
"metadata": {
|
|
"labels": {
|
|
"app": "nginx"
|
|
}
|
|
},
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"name": "nginx",
|
|
"image": "nginx:1.7.9",
|
|
"ports": [
|
|
{
|
|
"containerPort": 80
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
}
|
|
}
|
|
}`)
|
|
resource, err := kubeutils.BytesToUnstructured(rawResource)
|
|
if err != nil {
|
|
t.Errorf("unable to convert raw resource to unstructured: %v", err)
|
|
}
|
|
resourceDescription := v1.ResourceDescription{
|
|
Kinds: []string{"Deployment"},
|
|
Name: "nginx-*",
|
|
Selector: &metav1.LabelSelector{
|
|
MatchLabels: nil,
|
|
MatchExpressions: nil,
|
|
},
|
|
}
|
|
rule := v1.Rule{MatchResources: v1.MatchResources{ResourceDescription: resourceDescription}}
|
|
|
|
if err := MatchesResourceDescription(*resource, rule, v1beta1.RequestInfo{}, nil, "", resource.GroupVersionKind(), "", "CREATE"); err != nil {
|
|
t.Errorf("Testcase has failed due to the following:%v", err)
|
|
}
|
|
}
|
|
|
|
// Match expressions for labels to not match
|
|
func TestResourceDescriptionMatch_Label_Expression_NotMatch(t *testing.T) {
|
|
rawResource := []byte(`{
|
|
"apiVersion": "apps/v1",
|
|
"kind": "Deployment",
|
|
"metadata": {
|
|
"name": "nginx-deployment",
|
|
"labels": {
|
|
"app": "nginx"
|
|
}
|
|
},
|
|
"spec": {
|
|
"replicas": 3,
|
|
"selector": {
|
|
"matchLabels": {
|
|
"app": "nginx"
|
|
}
|
|
},
|
|
"template": {
|
|
"metadata": {
|
|
"labels": {
|
|
"app": "nginx"
|
|
}
|
|
},
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"name": "nginx",
|
|
"image": "nginx:1.7.9",
|
|
"ports": [
|
|
{
|
|
"containerPort": 80
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
}
|
|
}
|
|
}`)
|
|
resource, err := kubeutils.BytesToUnstructured(rawResource)
|
|
if err != nil {
|
|
t.Errorf("unable to convert raw resource to unstructured: %v", err)
|
|
}
|
|
resourceDescription := v1.ResourceDescription{
|
|
Kinds: []string{"Deployment"},
|
|
Name: "nginx-*",
|
|
Selector: &metav1.LabelSelector{
|
|
MatchLabels: nil,
|
|
MatchExpressions: []metav1.LabelSelectorRequirement{
|
|
{
|
|
Key: "label2",
|
|
Operator: "NotIn",
|
|
Values: []string{
|
|
"sometest1",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
rule := v1.Rule{MatchResources: v1.MatchResources{ResourceDescription: resourceDescription}}
|
|
|
|
if err := MatchesResourceDescription(*resource, rule, v1beta1.RequestInfo{}, nil, "", resource.GroupVersionKind(), "", "CREATE"); err != nil {
|
|
t.Errorf("Testcase has failed due to the following:%v", err)
|
|
}
|
|
}
|
|
|
|
// Match label expression in matching set
|
|
func TestResourceDescriptionMatch_Label_Expression_Match(t *testing.T) {
|
|
rawResource := []byte(`{
|
|
"apiVersion": "apps/v1",
|
|
"kind": "Deployment",
|
|
"metadata": {
|
|
"name": "nginx-deployment",
|
|
"labels": {
|
|
"app": "nginx"
|
|
}
|
|
},
|
|
"spec": {
|
|
"replicas": 3,
|
|
"selector": {
|
|
"matchLabels": {
|
|
"app": "nginx"
|
|
}
|
|
},
|
|
"template": {
|
|
"metadata": {
|
|
"labels": {
|
|
"app": "nginx"
|
|
}
|
|
},
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"name": "nginx",
|
|
"image": "nginx:1.7.9",
|
|
"ports": [
|
|
{
|
|
"containerPort": 80
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
}
|
|
}
|
|
}`)
|
|
resource, err := kubeutils.BytesToUnstructured(rawResource)
|
|
if err != nil {
|
|
t.Errorf("unable to convert raw resource to unstructured: %v", err)
|
|
}
|
|
resourceDescription := v1.ResourceDescription{
|
|
Kinds: []string{"Deployment"},
|
|
Name: "nginx-*",
|
|
Selector: &metav1.LabelSelector{
|
|
MatchLabels: nil,
|
|
MatchExpressions: []metav1.LabelSelectorRequirement{
|
|
{
|
|
Key: "app",
|
|
Operator: "NotIn",
|
|
Values: []string{
|
|
"nginx1",
|
|
"nginx2",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
rule := v1.Rule{MatchResources: v1.MatchResources{ResourceDescription: resourceDescription}}
|
|
|
|
if err := MatchesResourceDescription(*resource, rule, v1beta1.RequestInfo{}, nil, "", resource.GroupVersionKind(), "", "CREATE"); err != nil {
|
|
t.Errorf("Testcase has failed due to the following:%v", err)
|
|
}
|
|
}
|
|
|
|
// check for exclude conditions
|
|
func TestResourceDescriptionExclude_Label_Expression_Match(t *testing.T) {
|
|
rawResource := []byte(`{
|
|
"apiVersion": "apps/v1",
|
|
"kind": "Deployment",
|
|
"metadata": {
|
|
"name": "nginx-deployment",
|
|
"labels": {
|
|
"app": "nginx",
|
|
"block": "true"
|
|
}
|
|
},
|
|
"spec": {
|
|
"replicas": 3,
|
|
"selector": {
|
|
"matchLabels": {
|
|
"app": "nginx"
|
|
}
|
|
},
|
|
"template": {
|
|
"metadata": {
|
|
"labels": {
|
|
"app": "nginx"
|
|
}
|
|
},
|
|
"spec": {
|
|
"containers": [
|
|
{
|
|
"name": "nginx",
|
|
"image": "nginx:1.7.9",
|
|
"ports": [
|
|
{
|
|
"containerPort": 80
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
}
|
|
}
|
|
}`)
|
|
resource, err := kubeutils.BytesToUnstructured(rawResource)
|
|
if err != nil {
|
|
t.Errorf("unable to convert raw resource to unstructured: %v", err)
|
|
}
|
|
resourceDescription := v1.ResourceDescription{
|
|
Kinds: []string{"Deployment"},
|
|
Name: "nginx-*",
|
|
Selector: &metav1.LabelSelector{
|
|
MatchLabels: nil,
|
|
MatchExpressions: []metav1.LabelSelectorRequirement{
|
|
{
|
|
Key: "app",
|
|
Operator: "NotIn",
|
|
Values: []string{
|
|
"nginx1",
|
|
"nginx2",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
resourceDescriptionExclude := v1.ResourceDescription{
|
|
Selector: &metav1.LabelSelector{
|
|
MatchLabels: map[string]string{
|
|
"block": "true",
|
|
},
|
|
},
|
|
}
|
|
|
|
rule := v1.Rule{
|
|
MatchResources: v1.MatchResources{ResourceDescription: resourceDescription},
|
|
ExcludeResources: v1.MatchResources{ResourceDescription: resourceDescriptionExclude},
|
|
}
|
|
|
|
if err := MatchesResourceDescription(*resource, rule, v1beta1.RequestInfo{}, nil, "", resource.GroupVersionKind(), "", "CREATE"); err == nil {
|
|
t.Errorf("Testcase has failed due to the following:\n Function has returned no error, even though it was supposed to fail")
|
|
}
|
|
}
|