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kube-arangodb/pkg/deployment/deployment_metrics_test.go
2020-07-30 12:55:13 +02:00

581 lines
20 KiB
Go

//
// DISCLAIMER
//
// Copyright 2020 ArangoDB GmbH, Cologne, Germany
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Copyright holder is ArangoDB GmbH, Cologne, Germany
//
// Author Adam Janikowski
//
package deployment
import (
"testing"
"github.com/arangodb/kube-arangodb/pkg/util/k8sutil"
"github.com/arangodb/kube-arangodb/pkg/util"
api "github.com/arangodb/kube-arangodb/pkg/apis/deployment/v1"
core "k8s.io/api/core/v1"
)
func TestEnsurePod_Metrics(t *testing.T) {
testCases := []testCaseStruct{
{
Name: "DBserver Pod with metrics exporter and port override",
ArangoDeployment: &api.ArangoDeployment{
Spec: api.DeploymentSpec{
Image: util.NewString(testImage),
Authentication: noAuthentication,
TLS: noTLS,
Metrics: func() api.MetricsSpec {
m := metricsSpec.DeepCopy()
m.Port = util.NewUInt16(9999)
return *m
}(),
},
},
Helper: func(t *testing.T, deployment *Deployment, testCase *testCaseStruct) {
deployment.status.last = api.DeploymentStatus{
Members: api.DeploymentStatusMembers{
DBServers: api.MemberStatusList{
firstDBServerStatus,
},
},
Images: createTestImages(false),
}
testCase.createTestPodData(deployment, api.ServerGroupDBServers, firstDBServerStatus)
testCase.ExpectedPod.ObjectMeta.Labels[k8sutil.LabelKeyArangoExporter] = testYes
},
ExpectedEvent: "member dbserver is created",
ExpectedPod: core.Pod{
Spec: core.PodSpec{
Volumes: []core.Volume{
k8sutil.CreateVolumeEmptyDir(k8sutil.ArangodVolumeName),
k8sutil.CreateVolumeWithSecret(k8sutil.ExporterJWTVolumeName, testExporterToken),
},
Containers: []core.Container{
{
Name: k8sutil.ServerContainerName,
Image: testImage,
Command: createTestCommandForDBServer(firstDBServerStatus.ID, false, false, false),
Ports: createTestPorts(),
VolumeMounts: []core.VolumeMount{
k8sutil.ArangodVolumeMount(),
},
Resources: emptyResources,
LivenessProbe: createTestLivenessProbe(httpProbe, false, "", k8sutil.ArangoPort),
ImagePullPolicy: core.PullIfNotPresent,
SecurityContext: securityContext.NewSecurityContext(),
},
testCreateExporterContainerWithPort(false, emptyResources, 9999),
},
RestartPolicy: core.RestartPolicyNever,
TerminationGracePeriodSeconds: &defaultDBServerTerminationTimeout,
Hostname: testDeploymentName + "-" + api.ServerGroupDBServersString + "-" + firstDBServerStatus.ID,
Subdomain: testDeploymentName + "-int",
Affinity: k8sutil.CreateAffinity(testDeploymentName, api.ServerGroupDBServersString,
false, ""),
},
},
},
{
Name: "DBserver Pod with metrics exporter with mode",
ArangoDeployment: &api.ArangoDeployment{
Spec: api.DeploymentSpec{
Image: util.NewString(testImage),
Authentication: noAuthentication,
TLS: noTLS,
Metrics: func() api.MetricsSpec {
m := metricsSpec.DeepCopy()
m.Mode = api.MetricsModeExporter.New()
return *m
}(),
},
},
Helper: func(t *testing.T, deployment *Deployment, testCase *testCaseStruct) {
deployment.status.last = api.DeploymentStatus{
Members: api.DeploymentStatusMembers{
DBServers: api.MemberStatusList{
firstDBServerStatus,
},
},
Images: createTestImages(false),
}
testCase.createTestPodData(deployment, api.ServerGroupDBServers, firstDBServerStatus)
testCase.ExpectedPod.ObjectMeta.Labels[k8sutil.LabelKeyArangoExporter] = testYes
},
ExpectedEvent: "member dbserver is created",
ExpectedPod: core.Pod{
Spec: core.PodSpec{
Volumes: []core.Volume{
k8sutil.CreateVolumeEmptyDir(k8sutil.ArangodVolumeName),
k8sutil.CreateVolumeWithSecret(k8sutil.ExporterJWTVolumeName, testExporterToken),
},
Containers: []core.Container{
{
Name: k8sutil.ServerContainerName,
Image: testImage,
Command: createTestCommandForDBServer(firstDBServerStatus.ID, false, false, false),
Ports: createTestPorts(),
VolumeMounts: []core.VolumeMount{
k8sutil.ArangodVolumeMount(),
},
Resources: emptyResources,
LivenessProbe: createTestLivenessProbe(httpProbe, false, "", k8sutil.ArangoPort),
ImagePullPolicy: core.PullIfNotPresent,
SecurityContext: securityContext.NewSecurityContext(),
},
testCreateExporterContainer(false, emptyResources),
},
RestartPolicy: core.RestartPolicyNever,
TerminationGracePeriodSeconds: &defaultDBServerTerminationTimeout,
Hostname: testDeploymentName + "-" + api.ServerGroupDBServersString + "-" + firstDBServerStatus.ID,
Subdomain: testDeploymentName + "-int",
Affinity: k8sutil.CreateAffinity(testDeploymentName, api.ServerGroupDBServersString,
false, ""),
},
},
},
{
Name: "DBserver Pod with metrics exporter with internal mode",
ArangoDeployment: &api.ArangoDeployment{
Spec: api.DeploymentSpec{
Image: util.NewString(testImage),
Authentication: noAuthentication,
TLS: noTLS,
Metrics: func() api.MetricsSpec {
m := metricsSpec.DeepCopy()
m.Mode = api.MetricsModeInternal.New()
return *m
}(),
},
},
Helper: func(t *testing.T, deployment *Deployment, testCase *testCaseStruct) {
deployment.status.last = api.DeploymentStatus{
Members: api.DeploymentStatusMembers{
DBServers: api.MemberStatusList{
firstDBServerStatus,
},
},
Images: createTestImages(false),
}
testCase.createTestPodData(deployment, api.ServerGroupDBServers, firstDBServerStatus)
testCase.ExpectedPod.ObjectMeta.Labels[k8sutil.LabelKeyArangoExporter] = testYes
},
ExpectedEvent: "member dbserver is created",
ExpectedPod: core.Pod{
Spec: core.PodSpec{
Volumes: []core.Volume{
k8sutil.CreateVolumeEmptyDir(k8sutil.ArangodVolumeName),
},
Containers: []core.Container{
{
Name: k8sutil.ServerContainerName,
Image: testImage,
Command: createTestCommandForDBServer(firstDBServerStatus.ID, false, false, false),
Ports: func() []core.ContainerPort {
ports := createTestPorts()
ports = append(ports, core.ContainerPort{
Name: "exporter",
Protocol: core.ProtocolTCP,
ContainerPort: k8sutil.ArangoPort,
})
return ports
}(),
VolumeMounts: []core.VolumeMount{
k8sutil.ArangodVolumeMount(),
},
Resources: emptyResources,
LivenessProbe: createTestLivenessProbe(httpProbe, false, "", k8sutil.ArangoPort),
ImagePullPolicy: core.PullIfNotPresent,
SecurityContext: securityContext.NewSecurityContext(),
},
},
RestartPolicy: core.RestartPolicyNever,
TerminationGracePeriodSeconds: &defaultDBServerTerminationTimeout,
Hostname: testDeploymentName + "-" + api.ServerGroupDBServersString + "-" + firstDBServerStatus.ID,
Subdomain: testDeploymentName + "-int",
Affinity: k8sutil.CreateAffinity(testDeploymentName, api.ServerGroupDBServersString,
false, ""),
},
},
},
{
Name: "Agent Pod with metrics exporter with internal mode",
ArangoDeployment: &api.ArangoDeployment{
Spec: api.DeploymentSpec{
Image: util.NewString(testImage),
Authentication: noAuthentication,
TLS: noTLS,
Metrics: func() api.MetricsSpec {
m := metricsSpec.DeepCopy()
m.Mode = api.MetricsModeInternal.New()
return *m
}(),
},
},
Helper: func(t *testing.T, deployment *Deployment, testCase *testCaseStruct) {
deployment.status.last = api.DeploymentStatus{
Members: api.DeploymentStatusMembers{
Agents: api.MemberStatusList{
firstAgentStatus,
},
},
Images: createTestImages(false),
}
testCase.createTestPodData(deployment, api.ServerGroupAgents, firstAgentStatus)
testCase.ExpectedPod.ObjectMeta.Labels[k8sutil.LabelKeyArangoExporter] = testYes
},
ExpectedEvent: "member agent is created",
ExpectedPod: core.Pod{
Spec: core.PodSpec{
Volumes: []core.Volume{
k8sutil.CreateVolumeEmptyDir(k8sutil.ArangodVolumeName),
},
Containers: []core.Container{
{
Name: k8sutil.ServerContainerName,
Image: testImage,
Command: createTestCommandForAgent(firstAgentStatus.ID, false, false, false),
Ports: func() []core.ContainerPort {
ports := createTestPorts()
ports = append(ports, core.ContainerPort{
Name: "exporter",
Protocol: core.ProtocolTCP,
ContainerPort: k8sutil.ArangoPort,
})
return ports
}(),
VolumeMounts: []core.VolumeMount{
k8sutil.ArangodVolumeMount(),
},
Resources: emptyResources,
LivenessProbe: createTestLivenessProbe(httpProbe, false, "", k8sutil.ArangoPort),
ImagePullPolicy: core.PullIfNotPresent,
SecurityContext: securityContext.NewSecurityContext(),
},
},
RestartPolicy: core.RestartPolicyNever,
TerminationGracePeriodSeconds: &defaultAgentTerminationTimeout,
Hostname: testDeploymentName + "-" + api.ServerGroupAgentsString + "-" + firstAgentStatus.ID,
Subdomain: testDeploymentName + "-int",
Affinity: k8sutil.CreateAffinity(testDeploymentName, api.ServerGroupAgentsString,
false, ""),
},
},
},
{
Name: "DBserver Pod with sidecar metrics exporter and port override",
ArangoDeployment: &api.ArangoDeployment{
Spec: api.DeploymentSpec{
Image: util.NewString(testImage),
Authentication: noAuthentication,
TLS: noTLS,
Metrics: func() api.MetricsSpec {
m := metricsSpec.DeepCopy()
m.Port = util.NewUInt16(9999)
m.Mode = api.MetricsModeSidecar.New()
return *m
}(),
},
},
Helper: func(t *testing.T, deployment *Deployment, testCase *testCaseStruct) {
deployment.status.last = api.DeploymentStatus{
Members: api.DeploymentStatusMembers{
DBServers: api.MemberStatusList{
firstDBServerStatus,
},
},
Images: createTestImages(false),
}
testCase.createTestPodData(deployment, api.ServerGroupDBServers, firstDBServerStatus)
testCase.ExpectedPod.ObjectMeta.Labels[k8sutil.LabelKeyArangoExporter] = testYes
},
ExpectedEvent: "member dbserver is created",
ExpectedPod: core.Pod{
Spec: core.PodSpec{
Volumes: []core.Volume{
k8sutil.CreateVolumeEmptyDir(k8sutil.ArangodVolumeName),
k8sutil.CreateVolumeWithSecret(k8sutil.ExporterJWTVolumeName, testExporterToken),
},
Containers: []core.Container{
{
Name: k8sutil.ServerContainerName,
Image: testImage,
Command: createTestCommandForDBServer(firstDBServerStatus.ID, false, false, false),
Ports: createTestPorts(),
VolumeMounts: []core.VolumeMount{
k8sutil.ArangodVolumeMount(),
},
Resources: emptyResources,
LivenessProbe: createTestLivenessProbe(httpProbe, false, "", k8sutil.ArangoPort),
ImagePullPolicy: core.PullIfNotPresent,
SecurityContext: securityContext.NewSecurityContext(),
},
func() core.Container {
z := testCreateExporterContainerWithPort(false, emptyResources, 9999)
z.Command = append(z.Command, "--mode=passthru")
return z
}(),
},
RestartPolicy: core.RestartPolicyNever,
TerminationGracePeriodSeconds: &defaultDBServerTerminationTimeout,
Hostname: testDeploymentName + "-" + api.ServerGroupDBServersString + "-" + firstDBServerStatus.ID,
Subdomain: testDeploymentName + "-int",
Affinity: k8sutil.CreateAffinity(testDeploymentName, api.ServerGroupDBServersString,
false, ""),
},
},
},
{
Name: "Agency Pod with sidecar metrics exporter and port override",
ArangoDeployment: &api.ArangoDeployment{
Spec: api.DeploymentSpec{
Image: util.NewString(testImage),
Authentication: noAuthentication,
TLS: noTLS,
Metrics: func() api.MetricsSpec {
m := metricsSpec.DeepCopy()
m.Port = util.NewUInt16(9999)
m.Mode = api.MetricsModeSidecar.New()
return *m
}(),
},
},
Helper: func(t *testing.T, deployment *Deployment, testCase *testCaseStruct) {
deployment.status.last = api.DeploymentStatus{
Members: api.DeploymentStatusMembers{
Agents: api.MemberStatusList{
firstAgentStatus,
},
},
Images: createTestImages(false),
}
testCase.createTestPodData(deployment, api.ServerGroupAgents, firstAgentStatus)
testCase.ExpectedPod.ObjectMeta.Labels[k8sutil.LabelKeyArangoExporter] = testYes
},
ExpectedEvent: "member agent is created",
ExpectedPod: core.Pod{
Spec: core.PodSpec{
Volumes: []core.Volume{
k8sutil.CreateVolumeEmptyDir(k8sutil.ArangodVolumeName),
k8sutil.CreateVolumeWithSecret(k8sutil.ExporterJWTVolumeName, testExporterToken),
},
Containers: []core.Container{
{
Name: k8sutil.ServerContainerName,
Image: testImage,
Command: createTestCommandForAgent(firstAgentStatus.ID, false, false, false),
Ports: createTestPorts(),
VolumeMounts: []core.VolumeMount{
k8sutil.ArangodVolumeMount(),
},
Resources: emptyResources,
LivenessProbe: createTestLivenessProbe(httpProbe, false, "", k8sutil.ArangoPort),
ImagePullPolicy: core.PullIfNotPresent,
SecurityContext: securityContext.NewSecurityContext(),
},
func() core.Container {
z := testCreateExporterContainerWithPort(false, emptyResources, 9999)
z.Command = append(z.Command, "--mode=passthru")
return z
}(),
},
RestartPolicy: core.RestartPolicyNever,
TerminationGracePeriodSeconds: &defaultAgentTerminationTimeout,
Hostname: testDeploymentName + "-" + api.ServerGroupAgentsString + "-" + firstAgentStatus.ID,
Subdomain: testDeploymentName + "-int",
Affinity: k8sutil.CreateAffinity(testDeploymentName, api.ServerGroupAgentsString,
false, ""),
},
},
},
{
Name: "Agency Pod with sidecar metrics exporter and port override, with enabled deployment tls",
ArangoDeployment: &api.ArangoDeployment{
Spec: api.DeploymentSpec{
Image: util.NewString(testImage),
Authentication: noAuthentication,
TLS: tlsSpec,
Metrics: func() api.MetricsSpec {
m := metricsSpec.DeepCopy()
m.Port = util.NewUInt16(9999)
m.Mode = api.MetricsModeSidecar.New()
return *m
}(),
},
},
Helper: func(t *testing.T, deployment *Deployment, testCase *testCaseStruct) {
deployment.status.last = api.DeploymentStatus{
Members: api.DeploymentStatusMembers{
Agents: api.MemberStatusList{
firstAgentStatus,
},
},
Images: createTestImages(false),
}
testCase.createTestPodData(deployment, api.ServerGroupAgents, firstAgentStatus)
testCase.ExpectedPod.ObjectMeta.Labels[k8sutil.LabelKeyArangoExporter] = testYes
},
ExpectedEvent: "member agent is created",
ExpectedPod: core.Pod{
Spec: core.PodSpec{
Volumes: []core.Volume{
k8sutil.CreateVolumeEmptyDir(k8sutil.ArangodVolumeName),
createTestTLSVolume(api.ServerGroupAgentsString, firstAgentStatus.ID),
k8sutil.CreateVolumeWithSecret(k8sutil.ExporterJWTVolumeName, testExporterToken),
},
Containers: []core.Container{
{
Name: k8sutil.ServerContainerName,
Image: testImage,
Command: createTestCommandForAgent(firstAgentStatus.ID, true, false, false),
Ports: createTestPorts(),
VolumeMounts: []core.VolumeMount{
k8sutil.ArangodVolumeMount(),
k8sutil.TlsKeyfileVolumeMount(),
},
Resources: emptyResources,
LivenessProbe: createTestLivenessProbe(httpProbe, true, "", k8sutil.ArangoPort),
ImagePullPolicy: core.PullIfNotPresent,
SecurityContext: securityContext.NewSecurityContext(),
},
func() core.Container {
z := testCreateExporterContainerWithPortAndSecureEndpoint(true, true, emptyResources, 9999)
z.VolumeMounts = append(z.VolumeMounts, k8sutil.TlsKeyfileVolumeMount())
z.Command = append(z.Command, "--mode=passthru")
return z
}(),
},
RestartPolicy: core.RestartPolicyNever,
TerminationGracePeriodSeconds: &defaultAgentTerminationTimeout,
Hostname: testDeploymentName + "-" + api.ServerGroupAgentsString + "-" + firstAgentStatus.ID,
Subdomain: testDeploymentName + "-int",
Affinity: k8sutil.CreateAffinity(testDeploymentName, api.ServerGroupAgentsString,
false, ""),
},
},
},
{
Name: "Agency Pod with sidecar metrics exporter and port override, with enabled deployment tls but disabled metrics tls",
ArangoDeployment: &api.ArangoDeployment{
Spec: api.DeploymentSpec{
Image: util.NewString(testImage),
Authentication: noAuthentication,
TLS: tlsSpec,
Metrics: func() api.MetricsSpec {
m := metricsSpec.DeepCopy()
m.Port = util.NewUInt16(9999)
m.Mode = api.MetricsModeSidecar.New()
m.TLS = util.NewBool(false)
return *m
}(),
},
},
Helper: func(t *testing.T, deployment *Deployment, testCase *testCaseStruct) {
deployment.status.last = api.DeploymentStatus{
Members: api.DeploymentStatusMembers{
Agents: api.MemberStatusList{
firstAgentStatus,
},
},
Images: createTestImages(false),
}
testCase.createTestPodData(deployment, api.ServerGroupAgents, firstAgentStatus)
testCase.ExpectedPod.ObjectMeta.Labels[k8sutil.LabelKeyArangoExporter] = testYes
},
ExpectedEvent: "member agent is created",
ExpectedPod: core.Pod{
Spec: core.PodSpec{
Volumes: []core.Volume{
k8sutil.CreateVolumeEmptyDir(k8sutil.ArangodVolumeName),
createTestTLSVolume(api.ServerGroupAgentsString, firstAgentStatus.ID),
k8sutil.CreateVolumeWithSecret(k8sutil.ExporterJWTVolumeName, testExporterToken),
},
Containers: []core.Container{
{
Name: k8sutil.ServerContainerName,
Image: testImage,
Command: createTestCommandForAgent(firstAgentStatus.ID, true, false, false),
Ports: createTestPorts(),
VolumeMounts: []core.VolumeMount{
k8sutil.ArangodVolumeMount(),
k8sutil.TlsKeyfileVolumeMount(),
},
Resources: emptyResources,
LivenessProbe: createTestLivenessProbe(httpProbe, true, "", k8sutil.ArangoPort),
ImagePullPolicy: core.PullIfNotPresent,
SecurityContext: securityContext.NewSecurityContext(),
},
func() core.Container {
z := testCreateExporterContainerWithPortAndSecureEndpoint(true, false, emptyResources, 9999)
z.VolumeMounts = append(z.VolumeMounts, k8sutil.TlsKeyfileVolumeMount())
z.Command = append(z.Command, "--mode=passthru")
return z
}(),
},
RestartPolicy: core.RestartPolicyNever,
TerminationGracePeriodSeconds: &defaultAgentTerminationTimeout,
Hostname: testDeploymentName + "-" + api.ServerGroupAgentsString + "-" + firstAgentStatus.ID,
Subdomain: testDeploymentName + "-int",
Affinity: k8sutil.CreateAffinity(testDeploymentName, api.ServerGroupAgentsString,
false, ""),
},
},
},
}
runTestCases(t, testCases...)
}