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Add inherited_labels (#459)

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* add support for inherited_labels

Signed-off-by: Stephane Tang <hi@stang.sh>

* update docs with inherited_labels

Signed-off-by: Stephane Tang <hi@stang.sh>
This commit is contained in:
Stephane T
2019-02-14 12:29:06 +01:00
committed by Sergey Dudoladov
parent f2dddb0f2b
commit d11b23bd71
10 changed files with 108 additions and 22 deletions
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pkg/cluster/k8sres.go
+4 -4
View File
@@ -1073,7 +1073,7 @@ func (c *Cluster) generateService(role PostgresRole, spec *acidv1.PostgresSpec)
}
if role == Replica {
serviceSpec.Selector = c.roleLabelsSet(role)
serviceSpec.Selector = c.roleLabelsSet(false, role)
}
var annotations map[string]string
@@ -1113,7 +1113,7 @@ func (c *Cluster) generateService(role PostgresRole, spec *acidv1.PostgresSpec)
ObjectMeta: metav1.ObjectMeta{
Name: c.serviceName(role),
Namespace: c.Namespace,
Labels: c.roleLabelsSet(role),
Labels: c.roleLabelsSet(true, role),
Annotations: annotations,
},
Spec: serviceSpec,
@@ -1127,7 +1127,7 @@ func (c *Cluster) generateEndpoint(role PostgresRole, subsets []v1.EndpointSubse
ObjectMeta: metav1.ObjectMeta{
Name: c.endpointName(role),
Namespace: c.Namespace,
Labels: c.roleLabelsSet(role),
Labels: c.roleLabelsSet(true, role),
},
}
if len(subsets) > 0 {
@@ -1191,7 +1191,7 @@ func (c *Cluster) generatePodDisruptionBudget() *policybeta1.PodDisruptionBudget
Spec: policybeta1.PodDisruptionBudgetSpec{
MinAvailable: &minAvailable,
Selector: &metav1.LabelSelector{
MatchLabels: c.roleLabelsSet(Master),
MatchLabels: c.roleLabelsSet(false, Master),
},
},
}
pkg/cluster/pod.go
+1 -1
View File
@@ -27,7 +27,7 @@ func (c *Cluster) listPods() ([]v1.Pod, error) {
func (c *Cluster) getRolePods(role PostgresRole) ([]v1.Pod, error) {
listOptions := metav1.ListOptions{
LabelSelector: c.roleLabelsSet(role).String(),
LabelSelector: c.roleLabelsSet(false, role).String(),
}
pods, err := c.KubeClient.Pods(c.Namespace).List(listOptions)
pkg/cluster/util.go
+15 -2
View File
@@ -389,6 +389,19 @@ func (c *Cluster) labelsSet(shouldAddExtraLabels bool) labels.Set {
if shouldAddExtraLabels {
// enables filtering resources owned by a team
lbls["team"] = c.Postgresql.Spec.TeamID
// allow to inherit certain labels from the 'postgres' object
if spec, err := c.GetSpec(); err == nil {
for k, v := range spec.ObjectMeta.Labels {
for _, match := range c.OpConfig.InheritedLabels {
if k == match {
lbls[k] = v
}
}
}
} else {
c.logger.Warningf("could not get the list of InheritedLabels for cluster %q: %v", c.Name, err)
}
}
return labels.Set(lbls)
@@ -398,8 +411,8 @@ func (c *Cluster) labelsSelector() *metav1.LabelSelector {
return &metav1.LabelSelector{MatchLabels: c.labelsSet(false), MatchExpressions: nil}
}
func (c *Cluster) roleLabelsSet(role PostgresRole) labels.Set {
lbls := c.labelsSet(false)
func (c *Cluster) roleLabelsSet(shouldAddExtraLabels bool, role PostgresRole) labels.Set {
lbls := c.labelsSet(shouldAddExtraLabels)
lbls[c.OpConfig.PodRoleLabel] = string(role)
return lbls
}