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kyverno/pkg/openapi/manager_test.go
Charles-Edouard Brétéché 2e2d5d8db7
feat: update built-in resource schemas (#7014)
* feat: update built-in resource schemas

Signed-off-by: Charles-Edouard Brétéché <charles.edouard@nirmata.com>

* fix unit test

Signed-off-by: Charles-Edouard Brétéché <charles.edouard@nirmata.com>

---------

Signed-off-by: Charles-Edouard Brétéché <charles.edouard@nirmata.com>
2023-04-27 05:11:31 +00:00

215 lines
11 KiB
Go

package openapi
import (
"encoding/json"
"testing"
"github.com/go-logr/logr"
v1 "github.com/kyverno/kyverno/api/kyverno/v1"
"gotest.tools/assert"
)
func Test_ValidateMutationPolicy(t *testing.T) {
tcs := []struct {
description string
policy []byte
mustSucceed bool
}{
{
description: "Policy with mutating imagePullPolicy Overlay",
policy: []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"set-image-pull-policy-2"},"spec":{"rules":[{"name":"set-image-pull-policy-2","match":{"resources":{"kinds":["Pod"]}},"mutate":{"patchStrategicMerge":{"spec":{"containers":[{"(name)":"*","imagePullPolicy":"Always"}]}}}}]}}`),
mustSucceed: true,
},
{
description: "Policy with mutating imagePullPolicy Overlay, type of value is different (does not throw error since all numbers are also strings according to swagger)",
policy: []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"set-image-pull-policy-2"},"spec":{"rules":[{"name":"set-image-pull-policy-2","match":{"resources":{"kinds":["Pod"]}},"mutate":{"patchStrategicMerge":{"spec":{"containers":[{"(image)":"*","imagePullPolicy":80}]}}}}]}}`),
mustSucceed: true,
},
{
description: "Policy with patches",
policy: []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"policy-endpoints"},"spec":{"rules":[{"name":"pEP","match":{"resources":{"kinds":["Endpoints"],"selector":{"matchLabels":{"label":"test"}}}},"mutate":{"patches": "[{\"path\":\"/subsets/0/ports/0/port\",\"op\":\"replace\",\"value\":9663},{\"path\":\"/metadata/labels/isMutated\",\"op\":\"add\",\"value\":\"true\"}]}}]" }}`),
mustSucceed: true,
},
{
description: "Dealing with nested variables",
policy: []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"add-ns-access-controls","annotations":{"policies.kyverno.io/category":"Workload Isolation","policies.kyverno.io/description":"Create roles and role bindings for a new namespace"}},"spec":{"background":false,"rules":[{"name":"add-sa-annotation","match":{"resources":{"kinds":["Namespace"]}},"mutate":{"overlay":{"metadata":{"annotations":{"nirmata.io/ns-creator":"{{serviceAccountName-{{something}}}}"}}}}},{"name":"generate-owner-role","match":{"resources":{"kinds":["Namespace"]}},"preconditions":[{"key":"{{request.userInfo.username}}","operator":"NotEqual","value":""},{"key":"{{serviceAccountName}}","operator":"NotEqual","value":""},{"key":"{{serviceAccountNamespace}}","operator":"NotEqual","value":""}],"generate":{"kind":"ClusterRole","name":"ns-owner-{{request.object.metadata.name{{something}}}}-{{request.userInfo.username}}","data":{"metadata":{"annotations":{"nirmata.io/ns-creator":"{{serviceAccountName}}"}},"rules":[{"apiGroups":[""],"resources":["namespaces"],"verbs":["delete"],"resourceNames":["{{request.object.metadata.name}}"]}]}}},{"name":"generate-owner-role-binding","match":{"resources":{"kinds":["Namespace"]}},"preconditions":[{"key":"{{request.userInfo.username}}","operator":"NotEqual","value":""},{"key":"{{serviceAccountName}}","operator":"NotEqual","value":""},{"key":"{{serviceAccountNamespace}}","operator":"NotEqual","value":""}],"generate":{"kind":"ClusterRoleBinding","name":"ns-owner-{{request.object.metadata.name}}-{{request.userInfo.username}}-binding","data":{"metadata":{"annotations":{"nirmata.io/ns-creator":"{{serviceAccountName}}"}},"roleRef":{"apiGroup":"rbac.authorization.k8s.io","kind":"ClusterRole","name":"ns-owner-{{request.object.metadata.name}}-{{request.userInfo.username}}"},"subjects":[{"kind":"ServiceAccount","name":"{{serviceAccountName}}","namespace":"{{serviceAccountNamespace}}"}]}}},{"name":"generate-admin-role-binding","match":{"resources":{"kinds":["Namespace"]}},"preconditions":[{"key":"{{request.userInfo.username}}","operator":"NotEqual","value":""},{"key":"{{serviceAccountName}}","operator":"NotEqual","value":""},{"key":"{{serviceAccountNamespace}}","operator":"NotEqual","value":""}],"generate":{"kind":"RoleBinding","name":"ns-admin-{{request.object.metadata.name}}-{{request.userInfo.username}}-binding","namespace":"{{request.object.metadata.name}}","data":{"metadata":{"annotations":{"nirmata.io/ns-creator":"{{serviceAccountName}}"}},"roleRef":{"apiGroup":"rbac.authorization.k8s.io","kind":"ClusterRole","name":"admin"},"subjects":[{"kind":"ServiceAccount","name":"{{serviceAccountName}}","namespace":"{{serviceAccountNamespace}}"}]}}}]}}`),
mustSucceed: true,
},
{
description: "Policy with patchesJson6902 and added element at the beginning of a list",
policy: []byte(`{"apiVersion": "kyverno.io/v1","kind": "ClusterPolicy","metadata": {"name": "pe"},"spec": {"rules": [{"name": "pe","match": {"resources": {"kinds": ["Endpoints"]}},"mutate": {"patchesJson6902": "- path: \"/subsets/0/addresses/0\"\n op: add\n value: {\"ip\":\"123\"}\n- path: \"/subsets/1/addresses/0\"\n op: add\n value: {\"ip\":\"123\"}"}}]}}`),
mustSucceed: true,
},
{
description: "Policy with patchesJson6902 and added element at the end of a list",
policy: []byte(`{"apiVersion": "kyverno.io/v1","kind": "ClusterPolicy","metadata": {"name": "pe"},"spec": {"rules": [{"name": "pe","match": {"resources": {"kinds": ["Endpoints"]}},"mutate": {"patchesJson6902": "- path: \"/subsets/0/addresses/-\"\n op: add\n value: {\"ip\":\"123\"}\n- path: \"/subsets/1/addresses/-\"\n op: add\n value: {\"ip\":\"123\"}"}}]}}`),
mustSucceed: true,
},
{
description: "Invalid policy with patchStrategicMerge and new match schema(any)",
policy: []byte(`{"apiVersion":"kyverno.io\/v1","kind":"ClusterPolicy","metadata":{"name":"mutate-pod"},"spec":{"rules":[{"name":"mutate-pod","match":{"any":[{"resources":{"kinds":["Pod"]}}]},"mutate":{"patchStrategicMerge":{"spec":{"pod":"incorrect"}}}}]}}`),
mustSucceed: false,
},
{
description: "Invalid policy with patchStrategicMerge and new match schema(all)",
policy: []byte(`{"apiVersion":"kyverno.io\/v1","kind":"ClusterPolicy","metadata":{"name":"mutate-pod"},"spec":{"rules":[{"name":"mutate-pod","match":{"all":[{"resources":{"kinds":["Pod"]}}]},"mutate":{"patchStrategicMerge":{"spec":{"pod":"incorrect"}}}}]}}`),
mustSucceed: false,
},
{
description: "Valid policy with patchStrategicMerge and new match schema(any)",
policy: []byte(`{"apiVersion":"kyverno.io\/v1","kind":"ClusterPolicy","metadata":{"name":"set-image-pull-policy"},"spec":{"rules":[{"name":"set-image-pull-policy","match":{"any":[{"resources":{"kinds":["Pod"]}}]},"mutate":{"patchStrategicMerge":{"spec":{"containers":[{"(image)":"*:latest","imagePullPolicy":"IfNotPresent"}]}}}}]}}`),
mustSucceed: true,
},
{
description: "Valid policy with patchStrategicMerge and new match schema(all)",
policy: []byte(`{"apiVersion":"kyverno.io\/v1","kind":"ClusterPolicy","metadata":{"name":"set-image-pull-policy"},"spec":{"rules":[{"name":"set-image-pull-policy","match":{"all":[{"resources":{"kinds":["Pod"]}}]},"mutate":{"patchStrategicMerge":{"spec":{"containers":[{"(image)":"*:latest","imagePullPolicy":"IfNotPresent"}]}}}}]}}`),
mustSucceed: true,
},
{
description: "Policy with nested foreach and patchesJson6902",
policy: []byte(`{"apiVersion":"kyverno.io/v2beta1","kind":"ClusterPolicy","metadata":{"name":"replace-image-registry"},"spec":{"background":false,"validationFailureAction":"Enforce","rules":[{"name":"replace-dns-suffix","match":{"any":[{"resources":{"kinds":["Ingress"]}}]},"mutate":{"foreach":[{"list":"request.object.spec.tls","foreach":[{"list":"element.hosts","patchesJson6902":"- path: \"/spec/tls/{{elementIndex0}}/hosts/{{elementIndex1}}\"\n op: replace\n value: \"{{replace_all('{{element}}', '.foo.com', '.newfoo.com')}}\""}]}]}}]}}`),
mustSucceed: true,
},
}
o, _ := NewManager(logr.Discard())
for i, tc := range tcs {
t.Run(tc.description, func(t *testing.T) {
policy := v1.ClusterPolicy{}
_ = json.Unmarshal(tc.policy, &policy)
var errMessage string
err := o.ValidatePolicyMutation(&policy)
if err != nil {
errMessage = err.Error()
}
if tc.mustSucceed {
assert.NilError(t, err, "\nTestcase [%v] failed: Expected no error, Got error: %v", i+1, errMessage)
} else {
assert.Assert(t, err != nil, "\nTestcase [%v] failed: Expected error to have occurred", i+1)
}
})
}
}
func Test_addDefaultFieldsToSchema(t *testing.T) {
addingDefaultFieldsToSchema("", []byte(`null`))
addingDefaultFieldsToSchema("", nil)
}
func Test_matchGVK(t *testing.T) {
testCases := []struct {
definitionName string
gvk string
match bool
}{
{
"io.k8s.api.networking.v1.Ingress",
"networking.k8s.io/v1/Ingress",
true,
},
{
"io.k8s.api.extensions.v1beta1.Ingress",
"extensions/v1beta1/Ingress",
true,
},
{
"io.crossplane.gcp.iam.v1.ServiceAccount",
"v1/ServiceAccount",
false,
},
{
"io.k8s.api.core.v1.Secret",
"v1/Secret",
true,
},
{
"io.wgpolicyk8s.v1alpha1.PolicyReport",
"wgpolicyk8s.io/v1alpha1/PolicyReport",
true,
},
{
"io.k8s.api.rbac.v1.RoleBinding",
"rbac.authorization.k8s.io/v1/RoleBinding",
true,
},
{
"io.k8s.api.rbac.v1beta1.ClusterRoleBinding",
"rbac.authorization.k8s.io/v1beta1/ClusterRoleBinding",
true,
},
{
"io.crossplane.gcp.iam.v1alpha1.ServiceAccount",
"iam.gcp.crossplane.io/v1alpha1/ServiceAccount",
true,
},
{
"io.crossplane.gcp.iam.v1alpha1.ServiceAccount",
"v1/ServiceAccount",
false,
},
{
"v1.ServiceAccount",
"iam.gcp.crossplane.io/v1alpha1/ServiceAccount",
false,
},
{
"io.k8s.api.rbac.v1.Role",
"rbac.authorization.k8s.io/v1/Role",
true,
},
{
"io.k8s.api.rbac.v1.ClusterRole",
"rbac.authorization.k8s.io/v1/ClusterRole",
true,
},
{
"io.k8s.api.flowcontrol.v1beta1.FlowSchema",
"flowcontrol.apiserver.k8s.io/v1beta1/FlowSchema",
true,
},
{
"io.k8s.api.policy.v1beta1.Eviction",
"v1/Eviction",
false,
},
{
"io.k8s.api.rbac.v1beta1.ClusterRole",
"rbac.authorization.k8s.io/v1beta1/ClusterRole",
true,
},
{
"io.k8s.api.policy.v1.Eviction",
"v1/Eviction",
false,
},
}
for i, test := range testCases {
t.Run(test.definitionName, func(t *testing.T) {
res := matchGVK(test.definitionName, test.gvk)
assert.Equal(t, res, test.match, "test #%d failed", i)
})
}
}
// this test covers all supported Ingress
func Test_Ingress(t *testing.T) {
o, err := NewManager(logr.Discard())
assert.NilError(t, err)
versions, ok := o.kindToAPIVersions.Get("Ingress")
assert.Equal(t, true, ok)
assert.Equal(t, versions.serverPreferredGVK, "networking.k8s.io/v1/Ingress")
assert.Equal(t, len(versions.gvks), 1)
definitionName, _ := o.gvkToDefinitionName.Get("Ingress")
assert.Equal(t, definitionName, "io.k8s.api.networking.v1.Ingress")
definitionName, _ = o.gvkToDefinitionName.Get("networking.k8s.io/v1/Ingress")
assert.Equal(t, definitionName, "io.k8s.api.networking.v1.Ingress")
}