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Function to create required environment variables for standby

This commit is contained in:
Rafia Sabih 2019-05-22 14:43:36 +02:00
parent 76ce1004ca
commit b36bdbc8ef
1 changed files with 34 additions and 2 deletions
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36
pkg/cluster/k8sres.go
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@ -483,7 +483,7 @@ func generatePodTemplate(
} }
// generatePodEnvVars generates environment variables for the Spilo Pod // generatePodEnvVars generates environment variables for the Spilo Pod
func (c *Cluster) generateSpiloPodEnvVars(uid types.UID, spiloConfiguration string, cloneDescription *acidv1.CloneDescription, customPodEnvVarsList []v1.EnvVar) []v1.EnvVar { func (c *Cluster) generateSpiloPodEnvVars(uid types.UID, spiloConfiguration string, cloneDescription *acidv1.CloneDescription, standbyDescription *acidv1.StandbyDescription, customPodEnvVarsList []v1.EnvVar) []v1.EnvVar {
envVars := []v1.EnvVar{ envVars := []v1.EnvVar{
{ {
Name: "SCOPE", Name: "SCOPE",
@ -587,6 +587,10 @@ func (c *Cluster) generateSpiloPodEnvVars(uid types.UID, spiloConfiguration stri
envVars = append(envVars, c.generateCloneEnvironment(cloneDescription)...) envVars = append(envVars, c.generateCloneEnvironment(cloneDescription)...)
} }
if standbyDescription.ClusterName != "" {
envVars = append(envVars, c.generateStandbyEnvironment(standbyDescription)...)
}
if len(customPodEnvVarsList) > 0 { if len(customPodEnvVarsList) > 0 {
envVars = append(envVars, customPodEnvVarsList...) envVars = append(envVars, customPodEnvVarsList...)
} }
@ -782,7 +786,7 @@ func (c *Cluster) generateStatefulSet(spec *acidv1.PostgresSpec) (*v1beta1.State
// generate environment variables for the spilo container // generate environment variables for the spilo container
spiloEnvVars := deduplicateEnvVars( spiloEnvVars := deduplicateEnvVars(
c.generateSpiloPodEnvVars(c.Postgresql.GetUID(), spiloConfiguration, &spec.Clone, c.generateSpiloPodEnvVars(c.Postgresql.GetUID(), spiloConfiguration, &spec.Clone,
customPodEnvVarsList), c.containerName(), c.logger) &spec.StandbyCluster, customPodEnvVarsList), c.containerName(), c.logger)
// pickup the docker image for the spilo container // pickup the docker image for the spilo container
effectiveDockerImage := util.Coalesce(spec.DockerImage, c.OpConfig.DockerImage) effectiveDockerImage := util.Coalesce(spec.DockerImage, c.OpConfig.DockerImage)
@ -1252,6 +1256,34 @@ func (c *Cluster) generateCloneEnvironment(description *acidv1.CloneDescription)
return result return result
} }
func (c *Cluster) generateStandbyEnvironment(description *acidv1.StandbyDescription) []v1.EnvVar {
result := make([]v1.EnvVar, 0)
if description.S3WalPath == "" {
return result
}
cluster := description.ClusterName
result = append(result, v1.EnvVar{Name: "STANDBY_SCOPE", Value: cluster})
// standby with S3, find out the bucket to setup standby
msg := "Standby from S3 bucket"
c.logger.Info(msg, description.S3WalPath)
msg = "Use custom parsed S3WalPath %s from the manifest"
c.logger.Warningf(msg, description.S3WalPath)
result = append(result, v1.EnvVar{
Name: "STANDBY_WALE_S3_PREFIX",
Value: description.S3WalPath,
})
result = append(result, v1.EnvVar{Name: "STANDBY_METHOD", Value: "CLONE_WITH_WALE"})
result = append(result, v1.EnvVar{Name: "STANDBY_WAL_BUCKET_SCOPE_PREFIX", Value: ""})
return result
}
func (c *Cluster) generatePodDisruptionBudget() *policybeta1.PodDisruptionBudget { func (c *Cluster) generatePodDisruptionBudget() *policybeta1.PodDisruptionBudget {
minAvailable := intstr.FromInt(1) minAvailable := intstr.FromInt(1)