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memcached.go
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memcached.go
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package component
import (
"fmt"
appsv1 "github.com/openshift/api/apps/v1"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/intstr"
)
const (
SystemMemcachedDeploymentName = "system-memcache"
)
type Memcached struct {
Options *MemcachedOptions
}
func NewMemcached(options *MemcachedOptions) *Memcached {
return &Memcached{Options: options}
}
func (m *Memcached) DeploymentConfig() *appsv1.DeploymentConfig {
return &appsv1.DeploymentConfig{
TypeMeta: metav1.TypeMeta{
Kind: "DeploymentConfig",
APIVersion: "apps.openshift.io/v1",
},
ObjectMeta: metav1.ObjectMeta{
Name: SystemMemcachedDeploymentName,
Labels: m.Options.DeploymentLabels,
},
Spec: appsv1.DeploymentConfigSpec{
Strategy: appsv1.DeploymentStrategy{
Type: appsv1.DeploymentStrategyTypeRolling,
RollingParams: &appsv1.RollingDeploymentStrategyParams{
UpdatePeriodSeconds: &[]int64{1}[0],
IntervalSeconds: &[]int64{1}[0],
TimeoutSeconds: &[]int64{600}[0],
MaxUnavailable: &intstr.IntOrString{
Type: intstr.Type(intstr.String),
StrVal: "25%",
},
MaxSurge: &intstr.IntOrString{
Type: intstr.Type(intstr.String),
StrVal: "25%"}},
},
MinReadySeconds: 0,
Triggers: appsv1.DeploymentTriggerPolicies{
appsv1.DeploymentTriggerPolicy{
Type: appsv1.DeploymentTriggerOnConfigChange},
appsv1.DeploymentTriggerPolicy{
Type: appsv1.DeploymentTriggerOnImageChange,
ImageChangeParams: &appsv1.DeploymentTriggerImageChangeParams{
Automatic: true,
ContainerNames: []string{
"memcache",
},
From: v1.ObjectReference{
Kind: "ImageStreamTag",
Name: fmt.Sprintf("system-memcached:%s", m.Options.ImageTag),
},
},
},
},
Replicas: 1,
Selector: map[string]string{"deploymentConfig": SystemMemcachedDeploymentName},
Template: &v1.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: m.Options.PodTemplateLabels,
},
Spec: v1.PodSpec{
Affinity: m.Options.Affinity,
Tolerations: m.Options.Tolerations,
ServiceAccountName: "amp", //TODO make this configurable via flag
Containers: []v1.Container{
v1.Container{
Name: "memcache",
Image: "system-memcached:latest",
Command: []string{"memcached", "-m", "64"},
Ports: []v1.ContainerPort{
v1.ContainerPort{HostPort: 0,
ContainerPort: 11211,
Protocol: v1.ProtocolTCP},
},
Resources: m.Options.ResourceRequirements,
LivenessProbe: &v1.Probe{
Handler: v1.Handler{TCPSocket: &v1.TCPSocketAction{
Port: intstr.IntOrString{
Type: intstr.Type(intstr.Int),
IntVal: 11211}},
},
InitialDelaySeconds: 10,
TimeoutSeconds: 0,
PeriodSeconds: 10,
SuccessThreshold: 0,
FailureThreshold: 0,
},
ReadinessProbe: &v1.Probe{
Handler: v1.Handler{TCPSocket: &v1.TCPSocketAction{
Port: intstr.IntOrString{
Type: intstr.Type(intstr.Int),
IntVal: 11211}},
},
InitialDelaySeconds: 10,
TimeoutSeconds: 5,
PeriodSeconds: 30,
SuccessThreshold: 0,
FailureThreshold: 0,
},
ImagePullPolicy: v1.PullIfNotPresent,
},
},
}},
},
}
}