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Pass more variables to Spilo container (#437) 

Pass KUBERNETES_SCOPE_LABEL, KUBERNETES_ROLE_LABEL and KUBERNETES_LABELS
to spilo container, so that they could be changed. Fix for #411
This commit is contained in:
Arve Knudsen 2019-01-04 13:42:52 +01:00 committed by Dmitry Dolgov
parent 7445678261
commit f7058c754d
1 changed files with 17 additions and 5 deletions
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22
pkg/cluster/k8sres.go
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@ -339,7 +339,6 @@ func generateSpiloContainer(
envVars []v1.EnvVar,
volumeMounts []v1.VolumeMount,
) *v1.Container {
privilegedMode := true
return &v1.Container{
Name: name,
@ -491,6 +490,18 @@ func (c *Cluster) generateSpiloPodEnvVars(uid types.UID, spiloConfiguration stri
Name: "PGUSER_SUPERUSER",
Value: c.OpConfig.SuperUsername,
},
{
Name: "KUBERNETES_SCOPE_LABEL",
Value: c.OpConfig.ClusterNameLabel,
},
{
Name: "KUBERNETES_ROLE_LABEL",
Value: c.OpConfig.PodRoleLabel,
},
{
Name: "KUBERNETES_LABELS",
Value: labels.Set(c.OpConfig.ClusterLabels).String(),
},
{
Name: "PGPASSWORD_SUPERUSER",
ValueFrom: &v1.EnvVarSource{
@ -741,8 +752,8 @@ func (c *Cluster) generateStatefulSet(spec *acidv1.PostgresSpec) (*v1beta1.State
// generate environment variables for the spilo container
spiloEnvVars := deduplicateEnvVars(
c.generateSpiloPodEnvVars(c.Postgresql.GetUID(), spiloConfiguration, &spec.Clone, customPodEnvVarsList),
c.containerName(), c.logger)
c.generateSpiloPodEnvVars(c.Postgresql.GetUID(), spiloConfiguration, &spec.Clone,
customPodEnvVarsList), c.containerName(), c.logger)
// pickup the docker image for the spilo container
effectiveDockerImage := util.Coalesce(spec.DockerImage, c.OpConfig.DockerImage)
@ -750,6 +761,7 @@ func (c *Cluster) generateStatefulSet(spec *acidv1.PostgresSpec) (*v1beta1.State
volumeMounts := generateVolumeMounts()
// generate the spilo container
c.logger.Debugf("Generating Spilo container, environment variables: %v", spiloEnvVars)
spiloContainer := generateSpiloContainer(c.containerName(),
&effectiveDockerImage,
resourceRequirements,
@ -757,7 +769,7 @@ func (c *Cluster) generateStatefulSet(spec *acidv1.PostgresSpec) (*v1beta1.State
volumeMounts,
)
// resolve conflicts between operator-global and per-cluster sidecards
// resolve conflicts between operator-global and per-cluster sidecars
sideCars := c.mergeSidecars(spec.Sidecars)
resourceRequirementsScalyrSidecar := makeResources(
@ -786,7 +798,7 @@ func (c *Cluster) generateStatefulSet(spec *acidv1.PostgresSpec) (*v1beta1.State
tolerationSpec := tolerations(&spec.Tolerations, c.OpConfig.PodToleration)
effectivePodPriorityClassName := util.Coalesce(spec.PodPriorityClassName, c.OpConfig.PodPriorityClassName)
// generate pod template for the statefulset, based on the spilo container and sidecards
// generate pod template for the statefulset, based on the spilo container and sidecars
if podTemplate, err = generatePodTemplate(
c.Namespace,
c.labelsSet(true),