/
redis-replication.go
186 lines (170 loc) · 7.15 KB
/
redis-replication.go
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package k8sutils
import redisv1beta2 "github.com/cafe24-dhkim05/redis-operator/api/v1beta2"
// CreateReplicationService method will create replication service for Redis
func CreateReplicationService(cr *redisv1beta2.RedisReplication) error {
logger := serviceLogger(cr.Namespace, cr.ObjectMeta.Name)
labels := getRedisLabels(cr.ObjectMeta.Name, "replication", "replication", cr.ObjectMeta.Labels)
annotations := generateServiceAnots(cr.ObjectMeta, nil)
if cr.Spec.RedisExporter != nil && cr.Spec.RedisExporter.Enabled {
enableMetrics = true
} else {
enableMetrics = false
}
additionalServiceAnnotations := map[string]string{}
if cr.Spec.KubernetesConfig.Service != nil {
additionalServiceAnnotations = cr.Spec.KubernetesConfig.Service.ServiceAnnotations
}
objectMetaInfo := generateObjectMetaInformation(cr.ObjectMeta.Name, cr.Namespace, labels, annotations)
headlessObjectMetaInfo := generateObjectMetaInformation(cr.ObjectMeta.Name+"-headless", cr.Namespace, labels, annotations)
additionalObjectMetaInfo := generateObjectMetaInformation(cr.ObjectMeta.Name+"-additional", cr.Namespace, labels, generateServiceAnots(cr.ObjectMeta, additionalServiceAnnotations))
err := CreateOrUpdateService(cr.Namespace, headlessObjectMetaInfo, redisReplicationAsOwner(cr), false, true, "ClusterIP")
if err != nil {
logger.Error(err, "Cannot create replication headless service for Redis")
return err
}
err = CreateOrUpdateService(cr.Namespace, objectMetaInfo, redisReplicationAsOwner(cr), enableMetrics, false, "ClusterIP")
if err != nil {
logger.Error(err, "Cannot create replication service for Redis")
return err
}
additionalServiceType := "ClusterIP"
if cr.Spec.KubernetesConfig.Service != nil {
additionalServiceType = cr.Spec.KubernetesConfig.Service.ServiceType
}
err = CreateOrUpdateService(cr.Namespace, additionalObjectMetaInfo, redisReplicationAsOwner(cr), false, false, additionalServiceType)
if err != nil {
logger.Error(err, "Cannot create additional service for Redis Replication")
return err
}
return nil
}
// CreateReplicationRedis will create a replication redis setup
func CreateReplicationRedis(cr *redisv1beta2.RedisReplication) error {
stateFulName := cr.ObjectMeta.Name
logger := statefulSetLogger(cr.Namespace, cr.ObjectMeta.Name)
labels := getRedisLabels(cr.ObjectMeta.Name, "replication", "replication", cr.ObjectMeta.Labels)
annotations := generateStatefulSetsAnots(cr.ObjectMeta)
objectMetaInfo := generateObjectMetaInformation(stateFulName, cr.Namespace, labels, annotations)
err := CreateOrUpdateStateFul(cr.Namespace,
objectMetaInfo,
generateRedisReplicationParams(cr),
redisReplicationAsOwner(cr),
generateRedisReplicationInitContainerParams(cr),
generateRedisReplicationContainerParams(cr),
cr.Spec.Sidecars,
)
if err != nil {
logger.Error(err, "Cannot create replication statefulset for Redis")
return err
}
return nil
}
func generateRedisReplicationParams(cr *redisv1beta2.RedisReplication) statefulSetParameters {
replicas := cr.Spec.GetReplicationCounts("Replication")
res := statefulSetParameters{
Replicas: &replicas,
ClusterMode: false,
NodeConfVolume: false,
NodeSelector: cr.Spec.NodeSelector,
PodSecurityContext: cr.Spec.PodSecurityContext,
PriorityClassName: cr.Spec.PriorityClassName,
Affinity: cr.Spec.Affinity,
Tolerations: cr.Spec.Tolerations,
TerminationGracePeriodSeconds: cr.Spec.TerminationGracePeriodSeconds,
UpdateStrategy: cr.Spec.KubernetesConfig.UpdateStrategy,
}
if cr.Spec.KubernetesConfig.ImagePullSecrets != nil {
res.ImagePullSecrets = cr.Spec.KubernetesConfig.ImagePullSecrets
}
if cr.Spec.Storage != nil {
res.PersistentVolumeClaim = cr.Spec.Storage.VolumeClaimTemplate
}
if cr.Spec.RedisConfig != nil {
res.ExternalConfig = cr.Spec.RedisConfig.AdditionalRedisConfig
}
if cr.Spec.RedisExporter != nil {
res.EnableMetrics = cr.Spec.RedisExporter.Enabled
}
if cr.Spec.ServiceAccountName != nil {
res.ServiceAccountName = cr.Spec.ServiceAccountName
}
if _, found := cr.ObjectMeta.GetAnnotations()[AnnotationKeyRecreateStatefulset]; found {
res.RecreateStatefulSet = true
}
return res
}
// generateRedisReplicationContainerParams generates Redis container information
func generateRedisReplicationContainerParams(cr *redisv1beta2.RedisReplication) containerParameters {
trueProperty := true
falseProperty := false
containerProp := containerParameters{
Role: "replication",
Image: cr.Spec.KubernetesConfig.Image,
ImagePullPolicy: cr.Spec.KubernetesConfig.ImagePullPolicy,
Resources: cr.Spec.KubernetesConfig.Resources,
SecurityContext: cr.Spec.SecurityContext,
}
if cr.Spec.Storage != nil {
containerProp.AdditionalVolume = cr.Spec.Storage.VolumeMount.Volume
containerProp.AdditionalMountPath = cr.Spec.Storage.VolumeMount.MountPath
}
if cr.Spec.KubernetesConfig.ExistingPasswordSecret != nil {
containerProp.EnabledPassword = &trueProperty
containerProp.SecretName = cr.Spec.KubernetesConfig.ExistingPasswordSecret.Name
containerProp.SecretKey = cr.Spec.KubernetesConfig.ExistingPasswordSecret.Key
} else {
containerProp.EnabledPassword = &falseProperty
}
if cr.Spec.RedisExporter != nil {
containerProp.RedisExporterImage = cr.Spec.RedisExporter.Image
containerProp.RedisExporterImagePullPolicy = cr.Spec.RedisExporter.ImagePullPolicy
if cr.Spec.RedisExporter.Resources != nil {
containerProp.RedisExporterResources = cr.Spec.RedisExporter.Resources
}
if cr.Spec.RedisExporter.EnvVars != nil {
containerProp.RedisExporterEnv = cr.Spec.RedisExporter.EnvVars
}
}
if cr.Spec.ReadinessProbe != nil {
containerProp.ReadinessProbe = &cr.Spec.ReadinessProbe.Probe
}
if cr.Spec.LivenessProbe != nil {
containerProp.LivenessProbe = &cr.Spec.LivenessProbe.Probe
}
if cr.Spec.Storage != nil {
containerProp.PersistenceEnabled = &trueProperty
}
if cr.Spec.TLS != nil {
containerProp.TLSConfig = cr.Spec.TLS
}
if cr.Spec.ACL != nil {
containerProp.ACLConfig = cr.Spec.ACL
}
return containerProp
}
// generateRedisReplicationInitContainerParams generates Redis Replication initcontainer information
func generateRedisReplicationInitContainerParams(cr *redisv1beta2.RedisReplication) initContainerParameters {
trueProperty := true
initcontainerProp := initContainerParameters{}
if cr.Spec.InitContainer != nil {
initContainer := cr.Spec.InitContainer
initcontainerProp = initContainerParameters{
Enabled: initContainer.Enabled,
Role: "replication",
Image: initContainer.Image,
ImagePullPolicy: initContainer.ImagePullPolicy,
Resources: initContainer.Resources,
AdditionalEnvVariable: initContainer.EnvVars,
Command: initContainer.Command,
Arguments: initContainer.Args,
}
if cr.Spec.Storage != nil {
initcontainerProp.AdditionalVolume = cr.Spec.Storage.VolumeMount.Volume
initcontainerProp.AdditionalMountPath = cr.Spec.Storage.VolumeMount.MountPath
}
if cr.Spec.Storage != nil {
initcontainerProp.PersistenceEnabled = &trueProperty
}
}
return initcontainerProp
}