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flinkcluster_converter_test.go
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/*
Copyright 2019 Google LLC.
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.
*/
package controllers
import (
"reflect"
"testing"
"time"
"github.com/google/go-cmp/cmp/cmpopts"
v1beta1 "github.com/googlecloudplatform/flink-operator/api/v1beta1"
"gotest.tools/assert"
appsv1 "k8s.io/api/apps/v1"
batchv1 "k8s.io/api/batch/v1"
corev1 "k8s.io/api/core/v1"
v1 "k8s.io/api/core/v1"
extensionsv1beta1 "k8s.io/api/extensions/v1beta1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/intstr"
)
func TestGetDesiredClusterState(t *testing.T) {
var controller = true
var blockOwnerDeletion = false
var parallelism int32 = 2
var jmRPCPort int32 = 6123
var jmBlobPort int32 = 6124
var jmQueryPort int32 = 6125
var jmUIPort int32 = 8081
var useTLS bool = true
var tmDataPort int32 = 6121
var tmRPCPort int32 = 6122
var tmQueryPort int32 = 6125
var replicas int32 = 42
var tolerationSeconds int64 = 30
var restartPolicy = v1beta1.JobRestartPolicyFromSavepointOnFailure
var className = "org.apache.flink.examples.java.wordcount.WordCount"
var serviceAccount = "default"
var hostFormat = "{{$clusterName}}.example.com"
var memoryOffHeapRatio int32 = 25
var memoryOffHeapMin = resource.MustParse("600M")
var jobBackoffLimit int32 = 0
var jmReadinessProbe = corev1.Probe{
Handler: corev1.Handler{
TCPSocket: &corev1.TCPSocketAction{
Port: intstr.FromInt(int(jmRPCPort)),
},
},
TimeoutSeconds: 10,
InitialDelaySeconds: 5,
PeriodSeconds: 5,
FailureThreshold: 60,
}
var jmLivenessProbe = corev1.Probe{
Handler: corev1.Handler{
TCPSocket: &corev1.TCPSocketAction{
Port: intstr.FromInt(int(jmRPCPort)),
},
},
TimeoutSeconds: 10,
InitialDelaySeconds: 5,
PeriodSeconds: 60,
FailureThreshold: 5,
}
var tmReadinessProbe = corev1.Probe{
Handler: corev1.Handler{
TCPSocket: &corev1.TCPSocketAction{
Port: intstr.FromInt(int(tmRPCPort)),
},
},
TimeoutSeconds: 10,
InitialDelaySeconds: 5,
PeriodSeconds: 5,
FailureThreshold: 60,
}
var tmLivenessProbe = corev1.Probe{
Handler: corev1.Handler{
TCPSocket: &corev1.TCPSocketAction{
Port: intstr.FromInt(int(tmRPCPort)),
},
},
TimeoutSeconds: 10,
InitialDelaySeconds: 5,
PeriodSeconds: 60,
FailureThreshold: 5,
}
var tolerations = []corev1.Toleration{
{
Key: "toleration-key",
Effect: "toleration-effect",
Operator: "toleration-operator",
TolerationSeconds: &tolerationSeconds,
Value: "toleration-value",
},
{
Key: "toleration-key2",
Effect: "toleration-effect2",
Operator: "toleration-operator2",
TolerationSeconds: &tolerationSeconds,
Value: "toleration-value2",
},
}
var userAndGroupId int64 = 9999
var securityContext = corev1.PodSecurityContext{
RunAsUser: &userAndGroupId,
RunAsGroup: &userAndGroupId,
}
// Setup.
var observed = &ObservedClusterState{
cluster: &v1beta1.FlinkCluster{
TypeMeta: metav1.TypeMeta{
Kind: "FlinkCluster",
APIVersion: "flinkoperator.k8s.io/v1beta1",
},
ObjectMeta: metav1.ObjectMeta{
Name: "flinkjobcluster-sample",
Namespace: "default",
},
Spec: v1beta1.FlinkClusterSpec{
Image: v1beta1.ImageSpec{Name: "flink:1.8.1"},
ServiceAccountName: &serviceAccount,
Job: &v1beta1.JobSpec{
Args: []string{"--input", "./README.txt"},
ClassName: &className,
JarFile: "/cache/my-job.jar",
Parallelism: ¶llelism,
Resources: corev1.ResourceRequirements{
Requests: map[corev1.ResourceName]resource.Quantity{
corev1.ResourceCPU: resource.MustParse("100m"),
corev1.ResourceMemory: resource.MustParse("256Mi"),
},
Limits: map[corev1.ResourceName]resource.Quantity{
corev1.ResourceCPU: resource.MustParse("200m"),
corev1.ResourceMemory: resource.MustParse("512Mi"),
},
},
RestartPolicy: &restartPolicy,
Volumes: []corev1.Volume{
{
Name: "cache-volume",
VolumeSource: corev1.VolumeSource{
EmptyDir: &corev1.EmptyDirVolumeSource{},
},
},
},
VolumeMounts: []corev1.VolumeMount{
{Name: "cache-volume", MountPath: "/cache"},
},
InitContainers: []corev1.Container{
{
Name: "gcs-downloader",
Image: "google/cloud-sdk",
Command: []string{"gsutil"},
Args: []string{
"cp", "gs://my-bucket/my-job.jar", "/cache/my-job.jar",
},
},
},
PodAnnotations: map[string]string{
"example.com": "example",
},
SecurityContext: &securityContext,
},
JobManager: v1beta1.JobManagerSpec{
AccessScope: v1beta1.AccessScopeVPC,
Ingress: &v1beta1.JobManagerIngressSpec{
HostFormat: &hostFormat,
Annotations: map[string]string{
"kubernetes.io/ingress.class": "nginx",
"certmanager.k8s.io/cluster-issuer": "letsencrypt-stg",
"nginx.ingress.kubernetes.io/rewrite-target": "/",
},
UseTLS: &useTLS,
},
Ports: v1beta1.JobManagerPorts{
RPC: &jmRPCPort,
Blob: &jmBlobPort,
Query: &jmQueryPort,
UI: &jmUIPort,
},
Resources: corev1.ResourceRequirements{
Requests: map[corev1.ResourceName]resource.Quantity{
corev1.ResourceCPU: resource.MustParse("100m"),
corev1.ResourceMemory: resource.MustParse("256Mi"),
},
Limits: map[corev1.ResourceName]resource.Quantity{
corev1.ResourceCPU: resource.MustParse("200m"),
corev1.ResourceMemory: resource.MustParse("512Mi"),
},
},
Tolerations: tolerations,
MemoryOffHeapRatio: &memoryOffHeapRatio,
MemoryOffHeapMin: memoryOffHeapMin,
PodAnnotations: map[string]string{
"example.com": "example",
},
SecurityContext: &securityContext,
},
TaskManager: v1beta1.TaskManagerSpec{
Replicas: 42,
Ports: v1beta1.TaskManagerPorts{
Data: &tmDataPort,
RPC: &tmRPCPort,
Query: &tmQueryPort,
},
Resources: corev1.ResourceRequirements{
Requests: map[corev1.ResourceName]resource.Quantity{
corev1.ResourceCPU: resource.MustParse("200m"),
corev1.ResourceMemory: resource.MustParse("512Mi"),
},
Limits: map[corev1.ResourceName]resource.Quantity{
corev1.ResourceCPU: resource.MustParse("500m"),
corev1.ResourceMemory: resource.MustParse("1Gi"),
},
},
MemoryOffHeapRatio: &memoryOffHeapRatio,
MemoryOffHeapMin: memoryOffHeapMin,
Sidecars: []corev1.Container{{Name: "sidecar", Image: "alpine"}},
Volumes: []corev1.Volume{
{
Name: "cache-volume",
VolumeSource: corev1.VolumeSource{
EmptyDir: &corev1.EmptyDirVolumeSource{},
},
},
},
VolumeMounts: []corev1.VolumeMount{
{Name: "cache-volume", MountPath: "/cache"},
},
Tolerations: tolerations,
PodAnnotations: map[string]string{
"example.com": "example",
},
SecurityContext: &securityContext,
},
FlinkProperties: map[string]string{"taskmanager.numberOfTaskSlots": "1"},
EnvVars: []corev1.EnvVar{{Name: "FOO", Value: "abc"}},
EnvFrom: []corev1.EnvFromSource{{ConfigMapRef: &corev1.ConfigMapEnvSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: "FOOMAP",
}}}},
HadoopConfig: &v1beta1.HadoopConfig{
ConfigMapName: "hadoop-configmap",
MountPath: "/etc/hadoop/conf",
},
GCPConfig: &v1beta1.GCPConfig{
ServiceAccount: &v1beta1.GCPServiceAccount{
SecretName: "gcp-service-account-secret",
KeyFile: "gcp_service_account_key.json",
MountPath: "/etc/gcp_service_account/",
},
},
LogConfig: map[string]string{
"extra-file.txt": "hello!",
"log4j-console.properties": "foo",
"logback-console.xml": "bar",
},
},
Status: v1beta1.FlinkClusterStatus{
NextRevision: "flinkjobcluster-sample-85dc8f749-1",
},
},
}
// Run.
var desiredState = getDesiredClusterState(observed, time.Now())
// Verify.
// JmStatefulSet
var expectedDesiredJmStatefulSet = appsv1.StatefulSet{
ObjectMeta: metav1.ObjectMeta{
Name: "flinkjobcluster-sample-jobmanager",
Namespace: "default",
Labels: map[string]string{
"app": "flink",
"cluster": "flinkjobcluster-sample",
"component": "jobmanager",
RevisionNameLabel: "flinkjobcluster-sample-85dc8f749",
},
OwnerReferences: []metav1.OwnerReference{
{
APIVersion: "flinkoperator.k8s.io/v1beta1",
Kind: "FlinkCluster",
Name: "flinkjobcluster-sample",
Controller: &controller,
BlockOwnerDeletion: &blockOwnerDeletion,
},
},
},
Spec: appsv1.StatefulSetSpec{
Selector: &metav1.LabelSelector{
MatchLabels: map[string]string{
"app": "flink",
"cluster": "flinkjobcluster-sample",
"component": "jobmanager",
},
},
ServiceName: "flinkjobcluster-sample-jobmanager",
Template: corev1.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{
"app": "flink",
"cluster": "flinkjobcluster-sample",
"component": "jobmanager",
},
Annotations: map[string]string{
"example.com": "example",
},
},
Spec: corev1.PodSpec{
InitContainers: make([]corev1.Container, 0),
Containers: []corev1.Container{
{
Name: "jobmanager",
Image: "flink:1.8.1",
Args: []string{"jobmanager"},
Ports: []corev1.ContainerPort{
{Name: "rpc", ContainerPort: jmRPCPort},
{Name: "blob", ContainerPort: jmBlobPort},
{Name: "query", ContainerPort: jmQueryPort},
{Name: "ui", ContainerPort: jmUIPort},
},
LivenessProbe: &jmLivenessProbe,
ReadinessProbe: &jmReadinessProbe,
Env: []corev1.EnvVar{
{
Name: "JOB_MANAGER_CPU_LIMIT",
ValueFrom: &corev1.EnvVarSource{
ResourceFieldRef: &corev1.ResourceFieldSelector{
ContainerName: "jobmanager",
Resource: "limits.cpu",
Divisor: resource.MustParse("1m"),
},
},
},
{
Name: "JOB_MANAGER_MEMORY_LIMIT",
ValueFrom: &corev1.EnvVarSource{
ResourceFieldRef: &corev1.ResourceFieldSelector{
ContainerName: "jobmanager",
Resource: "limits.memory",
Divisor: resource.MustParse("1Mi"),
},
},
},
{Name: "HADOOP_CONF_DIR", Value: "/etc/hadoop/conf"},
{
Name: "GOOGLE_APPLICATION_CREDENTIALS",
Value: "/etc/gcp_service_account/gcp_service_account_key.json",
},
{
Name: "FOO",
Value: "abc",
},
},
EnvFrom: []corev1.EnvFromSource{
{
ConfigMapRef: &corev1.ConfigMapEnvSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: "FOOMAP",
},
},
},
},
Resources: corev1.ResourceRequirements{
Requests: map[corev1.ResourceName]resource.Quantity{
corev1.ResourceCPU: resource.MustParse("100m"),
corev1.ResourceMemory: resource.MustParse("256Mi"),
},
Limits: map[corev1.ResourceName]resource.Quantity{
corev1.ResourceCPU: resource.MustParse("200m"),
corev1.ResourceMemory: resource.MustParse("512Mi"),
},
},
VolumeMounts: []corev1.VolumeMount{
{
Name: "flink-config-volume",
MountPath: "/opt/flink/conf",
},
{
Name: "hadoop-config-volume",
MountPath: "/etc/hadoop/conf",
ReadOnly: true,
},
{
Name: "gcp-service-account-volume",
MountPath: "/etc/gcp_service_account/",
ReadOnly: true,
},
},
},
},
Tolerations: tolerations,
SecurityContext: &corev1.PodSecurityContext{
RunAsUser: &userAndGroupId,
RunAsGroup: &userAndGroupId,
},
ServiceAccountName: serviceAccount,
Volumes: []corev1.Volume{
{
Name: "flink-config-volume",
VolumeSource: corev1.VolumeSource{
ConfigMap: &corev1.ConfigMapVolumeSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: "flinkjobcluster-sample-configmap",
},
},
},
},
{
Name: "hadoop-config-volume",
VolumeSource: corev1.VolumeSource{
ConfigMap: &corev1.ConfigMapVolumeSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: "hadoop-configmap",
},
},
},
},
{
Name: "gcp-service-account-volume",
VolumeSource: corev1.VolumeSource{
Secret: &corev1.SecretVolumeSource{
SecretName: "gcp-service-account-secret",
},
},
},
},
},
},
},
}
assert.Assert(t, desiredState.JmStatefulSet != nil)
assert.DeepEqual(
t,
*desiredState.JmStatefulSet,
expectedDesiredJmStatefulSet,
cmpopts.IgnoreUnexported(resource.Quantity{}))
// JmService
var expectedDesiredJmService = corev1.Service{
ObjectMeta: metav1.ObjectMeta{
Name: "flinkjobcluster-sample-jobmanager",
Namespace: "default",
Labels: map[string]string{
"app": "flink",
"cluster": "flinkjobcluster-sample",
"component": "jobmanager",
RevisionNameLabel: "flinkjobcluster-sample-85dc8f749",
},
Annotations: map[string]string{
"cloud.google.com/load-balancer-type": "Internal",
},
OwnerReferences: []metav1.OwnerReference{
{
APIVersion: "flinkoperator.k8s.io/v1beta1",
Kind: "FlinkCluster",
Name: "flinkjobcluster-sample",
Controller: &controller,
BlockOwnerDeletion: &blockOwnerDeletion,
},
},
},
Spec: v1.ServiceSpec{
Type: "LoadBalancer",
Selector: map[string]string{
"app": "flink",
"cluster": "flinkjobcluster-sample",
"component": "jobmanager",
},
Ports: []v1.ServicePort{
{Name: "rpc", Port: 6123, TargetPort: intstr.FromString("rpc")},
{Name: "blob", Port: 6124, TargetPort: intstr.FromString("blob")},
{Name: "query", Port: 6125, TargetPort: intstr.FromString("query")},
{Name: "ui", Port: 8081, TargetPort: intstr.FromString("ui")},
},
},
}
assert.Assert(t, desiredState.JmService != nil)
assert.DeepEqual(
t,
*desiredState.JmService,
expectedDesiredJmService)
// JmIngress
var expectedDesiredJmIngress = extensionsv1beta1.Ingress{
ObjectMeta: metav1.ObjectMeta{
Name: "flinkjobcluster-sample-jobmanager",
Namespace: "default",
Labels: map[string]string{
"app": "flink",
"cluster": "flinkjobcluster-sample",
"component": "jobmanager",
RevisionNameLabel: "flinkjobcluster-sample-85dc8f749",
},
Annotations: map[string]string{
"kubernetes.io/ingress.class": "nginx",
"certmanager.k8s.io/cluster-issuer": "letsencrypt-stg",
"nginx.ingress.kubernetes.io/rewrite-target": "/",
},
OwnerReferences: []metav1.OwnerReference{
{
APIVersion: "flinkoperator.k8s.io/v1beta1",
Kind: "FlinkCluster",
Name: "flinkjobcluster-sample",
Controller: &controller,
BlockOwnerDeletion: &blockOwnerDeletion,
},
},
},
Spec: extensionsv1beta1.IngressSpec{
Rules: []extensionsv1beta1.IngressRule{{
Host: "flinkjobcluster-sample.example.com",
IngressRuleValue: extensionsv1beta1.IngressRuleValue{
HTTP: &extensionsv1beta1.HTTPIngressRuleValue{
Paths: []extensionsv1beta1.HTTPIngressPath{{
Path: "/",
Backend: extensionsv1beta1.IngressBackend{
ServiceName: "flinkjobcluster-sample-jobmanager",
ServicePort: intstr.FromString("ui"),
}},
}},
},
}},
TLS: []extensionsv1beta1.IngressTLS{{
Hosts: []string{"flinkjobcluster-sample.example.com"},
}},
},
}
assert.Assert(t, desiredState.JmIngress != nil)
assert.DeepEqual(
t,
*desiredState.JmIngress,
expectedDesiredJmIngress)
// TmStatefulSet
var expectedDesiredTmStatefulSet = appsv1.StatefulSet{
ObjectMeta: metav1.ObjectMeta{
Name: "flinkjobcluster-sample-taskmanager",
Namespace: "default",
Labels: map[string]string{
"app": "flink",
"cluster": "flinkjobcluster-sample",
"component": "taskmanager",
RevisionNameLabel: "flinkjobcluster-sample-85dc8f749",
},
OwnerReferences: []metav1.OwnerReference{
{
APIVersion: "flinkoperator.k8s.io/v1beta1",
Kind: "FlinkCluster",
Name: "flinkjobcluster-sample",
Controller: &controller,
BlockOwnerDeletion: &blockOwnerDeletion,
},
},
},
Spec: appsv1.StatefulSetSpec{
Replicas: &replicas,
ServiceName: "flinkjobcluster-sample-taskmanager",
PodManagementPolicy: "Parallel",
Selector: &metav1.LabelSelector{
MatchLabels: map[string]string{
"app": "flink",
"cluster": "flinkjobcluster-sample",
"component": "taskmanager",
},
},
Template: corev1.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{
"app": "flink",
"cluster": "flinkjobcluster-sample",
"component": "taskmanager",
},
Annotations: map[string]string{
"example.com": "example",
},
},
Spec: corev1.PodSpec{
InitContainers: make([]corev1.Container, 0),
Containers: []corev1.Container{
corev1.Container{
Name: "taskmanager",
Image: "flink:1.8.1",
Args: []string{"taskmanager"},
Ports: []corev1.ContainerPort{
{Name: "data", ContainerPort: 6121},
{Name: "rpc", ContainerPort: 6122},
{Name: "query", ContainerPort: 6125},
},
LivenessProbe: &tmLivenessProbe,
ReadinessProbe: &tmReadinessProbe,
Env: []corev1.EnvVar{
{
Name: "TASK_MANAGER_CPU_LIMIT",
ValueFrom: &corev1.EnvVarSource{
ResourceFieldRef: &corev1.ResourceFieldSelector{
ContainerName: "taskmanager",
Resource: "limits.cpu",
Divisor: resource.MustParse("1m"),
},
},
},
{
Name: "TASK_MANAGER_MEMORY_LIMIT",
ValueFrom: &corev1.EnvVarSource{
ResourceFieldRef: &corev1.ResourceFieldSelector{
ContainerName: "taskmanager",
Resource: "limits.memory",
Divisor: resource.MustParse("1Mi"),
},
},
},
{Name: "HADOOP_CONF_DIR", Value: "/etc/hadoop/conf"},
{
Name: "GOOGLE_APPLICATION_CREDENTIALS",
Value: "/etc/gcp_service_account/gcp_service_account_key.json",
},
{
Name: "FOO",
Value: "abc",
},
},
EnvFrom: []corev1.EnvFromSource{
{
ConfigMapRef: &corev1.ConfigMapEnvSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: "FOOMAP",
},
},
},
},
Resources: corev1.ResourceRequirements{
Requests: map[corev1.ResourceName]resource.Quantity{
corev1.ResourceCPU: resource.MustParse("200m"),
corev1.ResourceMemory: resource.MustParse("512Mi"),
},
Limits: map[corev1.ResourceName]resource.Quantity{
corev1.ResourceCPU: resource.MustParse("500m"),
corev1.ResourceMemory: resource.MustParse("1Gi"),
},
},
VolumeMounts: []v1.VolumeMount{
{Name: "cache-volume", MountPath: "/cache"},
{Name: "flink-config-volume", MountPath: "/opt/flink/conf"},
{
Name: "hadoop-config-volume",
MountPath: "/etc/hadoop/conf",
ReadOnly: true,
},
{
Name: "gcp-service-account-volume",
MountPath: "/etc/gcp_service_account/",
ReadOnly: true,
},
},
},
corev1.Container{Name: "sidecar", Image: "alpine"},
},
Volumes: []corev1.Volume{
{
Name: "cache-volume",
VolumeSource: corev1.VolumeSource{
EmptyDir: &corev1.EmptyDirVolumeSource{},
},
},
{
Name: "flink-config-volume",
VolumeSource: corev1.VolumeSource{
ConfigMap: &corev1.ConfigMapVolumeSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: "flinkjobcluster-sample-configmap",
},
},
},
},
{
Name: "hadoop-config-volume",
VolumeSource: corev1.VolumeSource{
ConfigMap: &corev1.ConfigMapVolumeSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: "hadoop-configmap",
},
},
},
},
{
Name: "gcp-service-account-volume",
VolumeSource: corev1.VolumeSource{
Secret: &corev1.SecretVolumeSource{
SecretName: "gcp-service-account-secret",
},
},
},
},
Tolerations: tolerations,
SecurityContext: &corev1.PodSecurityContext{
RunAsUser: &userAndGroupId,
RunAsGroup: &userAndGroupId,
},
ServiceAccountName: serviceAccount,
},
},
},
}
assert.Assert(t, desiredState.TmStatefulSet != nil)
assert.DeepEqual(
t,
*desiredState.TmStatefulSet,
expectedDesiredTmStatefulSet,
cmpopts.IgnoreUnexported(resource.Quantity{}))
// Job
var expectedDesiredJob = batchv1.Job{
ObjectMeta: metav1.ObjectMeta{
Name: "flinkjobcluster-sample-job-submitter",
Namespace: "default",
Labels: map[string]string{
"app": "flink",
"cluster": "flinkjobcluster-sample",
RevisionNameLabel: "flinkjobcluster-sample-85dc8f749",
},
OwnerReferences: []metav1.OwnerReference{
{APIVersion: "flinkoperator.k8s.io/v1beta1",
Kind: "FlinkCluster",
Name: "flinkjobcluster-sample",
Controller: &controller,
BlockOwnerDeletion: &blockOwnerDeletion,
},
},
},
Spec: batchv1.JobSpec{
Template: v1.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{
"app": "flink",
"cluster": "flinkjobcluster-sample",
},
Annotations: map[string]string{
"example.com": "example",
},
},
Spec: v1.PodSpec{
InitContainers: []v1.Container{
{
Name: "gcs-downloader",
Image: "google/cloud-sdk",
Command: []string{"gsutil"},
Args: []string{
"cp", "gs://my-bucket/my-job.jar", "/cache/my-job.jar",
},
VolumeMounts: []v1.VolumeMount{
{Name: "cache-volume", MountPath: "/cache"},
},
},
},
Containers: []v1.Container{
{
Name: "main",
Image: "flink:1.8.1",
Args: []string{
"bash",
"/opt/flink-operator/submit-job.sh",
"--jobmanager",
"flinkjobcluster-sample-jobmanager:8081",
"--class",
"org.apache.flink.examples.java.wordcount.WordCount",
"--parallelism",
"2",
"--detached",
"/cache/my-job.jar",
"--input",
"./README.txt",
},
Env: []v1.EnvVar{
{Name: "FLINK_JM_ADDR", Value: "flinkjobcluster-sample-jobmanager:8081"},
{Name: "HADOOP_CONF_DIR", Value: "/etc/hadoop/conf"},
{
Name: "GOOGLE_APPLICATION_CREDENTIALS",
Value: "/etc/gcp_service_account/gcp_service_account_key.json",
},
{Name: "FOO", Value: "abc"},
},
EnvFrom: []corev1.EnvFromSource{
{
ConfigMapRef: &corev1.ConfigMapEnvSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: "FOOMAP",
},
},
},
},
Resources: corev1.ResourceRequirements{
Requests: map[corev1.ResourceName]resource.Quantity{
corev1.ResourceCPU: resource.MustParse("100m"),
corev1.ResourceMemory: resource.MustParse("256Mi"),
},
Limits: map[corev1.ResourceName]resource.Quantity{
corev1.ResourceCPU: resource.MustParse("200m"),
corev1.ResourceMemory: resource.MustParse("512Mi"),
},
},
VolumeMounts: []v1.VolumeMount{
{Name: "cache-volume", MountPath: "/cache"},
{
Name: "flink-config-volume",
MountPath: "/opt/flink-operator/submit-job.sh",
SubPath: "submit-job.sh",
},
{
Name: "hadoop-config-volume",
MountPath: "/etc/hadoop/conf",
ReadOnly: true,
},
{
Name: "gcp-service-account-volume",
MountPath: "/etc/gcp_service_account/",
ReadOnly: true,
},
},
},
},
RestartPolicy: corev1.RestartPolicyNever,
Volumes: []corev1.Volume{
{
Name: "cache-volume",
VolumeSource: corev1.VolumeSource{
EmptyDir: &corev1.EmptyDirVolumeSource{},
},
},
{
Name: "flink-config-volume",
VolumeSource: corev1.VolumeSource{
ConfigMap: &corev1.ConfigMapVolumeSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: "flinkjobcluster-sample-configmap",
},
},
},
},
{
Name: "hadoop-config-volume",
VolumeSource: corev1.VolumeSource{
ConfigMap: &corev1.ConfigMapVolumeSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: "hadoop-configmap",
},
},
},
},
{
Name: "gcp-service-account-volume",
VolumeSource: corev1.VolumeSource{
Secret: &corev1.SecretVolumeSource{
SecretName: "gcp-service-account-secret",
},
},
},
},
SecurityContext: &corev1.PodSecurityContext{
RunAsUser: &userAndGroupId,
RunAsGroup: &userAndGroupId,
},
ServiceAccountName: serviceAccount,
},
},
BackoffLimit: &jobBackoffLimit,
},
}
assert.Assert(t, desiredState.Job != nil)
assert.DeepEqual(
t,
*desiredState.Job,
expectedDesiredJob)
// ConfigMap
var flinkConfYaml = `blob.server.port: 6124
jobmanager.rpc.address: flinkjobcluster-sample-jobmanager
jobmanager.rpc.port: 6123
query.server.port: 6125
rest.port: 8081
taskmanager.heap.size: 452m
taskmanager.numberOfTaskSlots: 1
taskmanager.rpc.port: 6122
`
var expectedConfigMap = corev1.ConfigMap{
ObjectMeta: metav1.ObjectMeta{
Name: "flinkjobcluster-sample-configmap",
Namespace: "default",
Labels: map[string]string{
"app": "flink",
"cluster": "flinkjobcluster-sample",
RevisionNameLabel: "flinkjobcluster-sample-85dc8f749",
},
OwnerReferences: []metav1.OwnerReference{
{
APIVersion: "flinkoperator.k8s.io/v1beta1",
Kind: "FlinkCluster",
Name: "flinkjobcluster-sample",
Controller: &controller,
BlockOwnerDeletion: &blockOwnerDeletion,
},
},
},
Data: map[string]string{
"flink-conf.yaml": flinkConfYaml,
"extra-file.txt": "hello!",
"log4j-console.properties": "foo",
"logback-console.xml": "bar",
"submit-job.sh": submitJobScript,
},
}
assert.Assert(t, desiredState.ConfigMap != nil)
assert.DeepEqual(
t,
*desiredState.ConfigMap,
expectedConfigMap)
}
func TestSecurityContext(t *testing.T) {
var jmRPCPort int32 = 6123
var jmBlobPort int32 = 6124
var jmQueryPort int32 = 6125
var jmUIPort int32 = 8081
var tmDataPort int32 = 6121
var tmRPCPort int32 = 6122
var tmQueryPort int32 = 6125
var userAndGroupId int64 = 9999
var securityContext = corev1.PodSecurityContext{
RunAsUser: &userAndGroupId,
RunAsGroup: &userAndGroupId,
}
// Provided security context
var observed = &ObservedClusterState{
cluster: &v1beta1.FlinkCluster{
ObjectMeta: metav1.ObjectMeta{
Name: "flinkjobcluster-sample",
Namespace: "default",
},
Spec: v1beta1.FlinkClusterSpec{
Job: &v1beta1.JobSpec{
SecurityContext: &securityContext,
},
JobManager: v1beta1.JobManagerSpec{
AccessScope: v1beta1.AccessScopeVPC,
Ports: v1beta1.JobManagerPorts{
RPC: &jmRPCPort,
Blob: &jmBlobPort,
Query: &jmQueryPort,
UI: &jmUIPort,
},
SecurityContext: &securityContext,
},
TaskManager: v1beta1.TaskManagerSpec{
Ports: v1beta1.TaskManagerPorts{
Data: &tmDataPort,
RPC: &tmRPCPort,
Query: &tmQueryPort,
},
SecurityContext: &securityContext,
},
},
Status: v1beta1.FlinkClusterStatus{
NextRevision: "flinkjobcluster-sample-85dc8f749-1",
},
},
}
var desired = getDesiredClusterState(observed, time.Now())
assert.DeepEqual(t, desired.Job.Spec.Template.Spec.SecurityContext, &securityContext)
assert.DeepEqual(t, desired.JmStatefulSet.Spec.Template.Spec.SecurityContext, &securityContext)
assert.DeepEqual(t, desired.TmStatefulSet.Spec.Template.Spec.SecurityContext, &securityContext)
// No security context
var observed2 = &ObservedClusterState{
cluster: &v1beta1.FlinkCluster{