/
pod.go
136 lines (120 loc) · 3.6 KB
/
pod.go
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package zookeeper
import (
"fmt"
"strings"
pulsarv1alpha1 "github.com/sky-big/pulsar-operator/pkg/apis/pulsar/v1alpha1"
"k8s.io/api/core/v1"
"k8s.io/api/policy/v1beta1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/intstr"
)
func MakePodDisruptionBudget(c *pulsarv1alpha1.PulsarCluster) *v1beta1.PodDisruptionBudget {
count := intstr.FromInt(1)
return &v1beta1.PodDisruptionBudget{
TypeMeta: metav1.TypeMeta{
Kind: "PodDisruptionBudget",
APIVersion: "policy/v1beta1",
},
ObjectMeta: metav1.ObjectMeta{
Name: MakePodDisruptionBudgetName(c),
Namespace: c.Namespace,
},
Spec: v1beta1.PodDisruptionBudgetSpec{
MaxUnavailable: &count,
Selector: &metav1.LabelSelector{
MatchLabels: pulsarv1alpha1.MakeComponentLabels(c, pulsarv1alpha1.ZookeeperComponent),
},
},
}
}
func MakePodDisruptionBudgetName(c *pulsarv1alpha1.PulsarCluster) string {
return fmt.Sprintf("%s-zookeeper-poddisruptionbudget", c.GetName())
}
func makePodSpec(c *pulsarv1alpha1.PulsarCluster) v1.PodSpec {
return v1.PodSpec{
Affinity: c.Spec.Zookeeper.Pod.Affinity,
Containers: []v1.Container{makeContainer(c)},
Volumes: []v1.Volume{
{
Name: ContainerDataVolumeName,
VolumeSource: v1.VolumeSource{
EmptyDir: &v1.EmptyDirVolumeSource{},
},
},
},
}
}
func makeContainer(c *pulsarv1alpha1.PulsarCluster) v1.Container {
return v1.Container{
Name: "zookeeper",
Image: c.Spec.Zookeeper.Image.GenerateImage(),
ImagePullPolicy: c.Spec.Zookeeper.Image.PullPolicy,
Command: makeContainerCommand(),
Args: makeContainerCommandArgs(),
Ports: makeContainerPort(c),
Env: makeContainerEnv(c),
EnvFrom: makeContainerEnvFrom(c),
ReadinessProbe: &v1.Probe{
InitialDelaySeconds: 5,
TimeoutSeconds: 5,
Handler: v1.Handler{
Exec: &v1.ExecAction{Command: []string{ReadinessProbeScript}},
},
},
LivenessProbe: &v1.Probe{
InitialDelaySeconds: 15,
TimeoutSeconds: 5,
Handler: v1.Handler{
Exec: &v1.ExecAction{Command: []string{LivenessProbeScript}},
},
},
VolumeMounts: []v1.VolumeMount{
{Name: ContainerDataVolumeName, MountPath: ContainerDataPath},
},
}
}
func makeContainerCommand() []string {
return []string{
"sh",
"-c",
}
}
func makeContainerCommandArgs() []string {
return []string{
"bin/apply-config-from-env.py conf/zookeeper.conf && " +
"bin/apply-config-from-env.py conf/pulsar_env.sh && " +
"bin/generate-zookeeper-config.sh conf/zookeeper.conf && " +
"bin/pulsar zookeeper",
}
}
func makeContainerPort(c *pulsarv1alpha1.PulsarCluster) []v1.ContainerPort {
return []v1.ContainerPort{
{
Name: "client",
ContainerPort: pulsarv1alpha1.ZookeeperContainerClientDefaultPort,
Protocol: v1.ProtocolTCP,
},
{
Name: "server",
ContainerPort: pulsarv1alpha1.ZookeeperContainerServerDefaultPort,
Protocol: v1.ProtocolTCP,
},
{
Name: "leader-election",
ContainerPort: pulsarv1alpha1.ZookeeperContainerLeaderElectionPort,
Protocol: v1.ProtocolTCP,
},
}
}
func makeContainerEnv(c *pulsarv1alpha1.PulsarCluster) []v1.EnvVar {
env := make([]v1.EnvVar, 0)
env = append(env, v1.EnvVar{Name: ContainerZookeeperServerList, Value: strings.Join(makeStatefulSetPodNameList(c), ",")})
return env
}
func makeContainerEnvFrom(c *pulsarv1alpha1.PulsarCluster) []v1.EnvFromSource {
froms := make([]v1.EnvFromSource, 0)
var configRef v1.ConfigMapEnvSource
configRef.Name = MakeConfigMapName(c)
froms = append(froms, v1.EnvFromSource{ConfigMapRef: &configRef})
return froms
}