K8SPG-645 turn on sidecar containers for pgbouncer

cmd/postgres-operator/main.go

@@ -79,6 +79,7 @@ func main() {
 	features := feature.NewGate()
 	err = features.SetFromMap(map[string]bool{
 		string(feature.InstanceSidecars):  true, // needed for PMM
+		string(feature.PGBouncerSidecars): true, // K8SPG-645
 		string(feature.TablespaceVolumes): true,
 	})
 	assertNoError(err)

e2e-tests/run-pr.csv

@@ -10,6 +10,7 @@ pitr
 scaling
 scheduled-backup
 self-healing
+sidecars
 start-from-backup
 tablespaces
 telemetry-transfer

e2e-tests/run-release.csv

@@ -12,6 +12,7 @@ pitr
 scaling
 scheduled-backup
 self-healing
+sidecars
 start-from-backup
 tablespaces
 telemetry-transfer

e2e-tests/tests/sidecars/00-assert.yaml

@@ -0,0 +1,24 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestAssert
+timeout: 120
+---
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  name: perconapgclusters.pgv2.percona.com
+spec:
+  group: pgv2.percona.com
+  names:
+    kind: PerconaPGCluster
+    listKind: PerconaPGClusterList
+    plural: perconapgclusters
+    singular: perconapgcluster
+  scope: Namespaced
+---
+apiVersion: kuttl.dev/v1beta1
+kind: TestAssert
+metadata:
+  name: check-operator-deploy-status
+timeout: 120
+commands:
+  - script: kubectl assert exist-enhanced deployment percona-postgresql-operator -n ${OPERATOR_NS:-$NAMESPACE} --field-selector status.readyReplicas=1

e2e-tests/tests/sidecars/00-deploy-operator.yaml

@@ -0,0 +1,14 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestStep
+timeout: 10
+commands:
+    - script: |-
+          set -o errexit
+          set -o xtrace
+
+          source ../../functions
+          init_temp_dir # do this only in the first TestStep
+
+          deploy_operator
+          deploy_client
+

e2e-tests/tests/sidecars/01-assert.yaml

@@ -0,0 +1,185 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestAssert
+timeout: 180
+---
+kind: StatefulSet
+apiVersion: apps/v1
+metadata:
+  name: sidecars-repo-host
+  labels:
+    postgres-operator.crunchydata.com/cluster: sidecars
+    postgres-operator.crunchydata.com/data: pgbackrest
+    postgres-operator.crunchydata.com/pgbackrest: ''
+    postgres-operator.crunchydata.com/pgbackrest-dedicated: ''
+  ownerReferences:
+    - apiVersion: postgres-operator.crunchydata.com/v1beta1
+      kind: PostgresCluster
+      name: sidecars
+      controller: true
+      blockOwnerDeletion: true
+status:
+  observedGeneration: 1
+  replicas: 1
+  readyReplicas: 1
+  currentReplicas: 1
+  updatedReplicas: 1
+  collisionCount: 0
+---
+kind: StatefulSet
+apiVersion: apps/v1
+metadata:
+  labels:
+    postgres-operator.crunchydata.com/cluster: sidecars
+    postgres-operator.crunchydata.com/data: postgres
+    postgres-operator.crunchydata.com/instance-set: instance1
+  ownerReferences:
+    - apiVersion: postgres-operator.crunchydata.com/v1beta1
+      kind: PostgresCluster
+      name: sidecars
+      controller: true
+      blockOwnerDeletion: true
+status:
+  observedGeneration: 1
+  replicas: 1
+  readyReplicas: 1
+  currentReplicas: 1
+  updatedReplicas: 1
+  collisionCount: 0
+---
+kind: Deployment
+apiVersion: apps/v1
+metadata:
+  name: sidecars-pgbouncer
+  labels:
+    postgres-operator.crunchydata.com/cluster: sidecars
+    postgres-operator.crunchydata.com/role: pgbouncer
+  annotations:
+    deployment.kubernetes.io/revision: '1'
+  ownerReferences:
+    - apiVersion: postgres-operator.crunchydata.com/v1beta1
+      kind: PostgresCluster
+      name: sidecars
+      controller: true
+      blockOwnerDeletion: true
+status:
+  observedGeneration: 1
+  replicas: 3
+  updatedReplicas: 3
+  readyReplicas: 3
+---
+kind: Job
+apiVersion: batch/v1
+metadata:
+  labels:
+    postgres-operator.crunchydata.com/cluster: sidecars
+    postgres-operator.crunchydata.com/pgbackrest: ''
+    postgres-operator.crunchydata.com/pgbackrest-backup: replica-create
+    postgres-operator.crunchydata.com/pgbackrest-repo: repo1
+  ownerReferences:
+    - apiVersion: pgv2.percona.com/v2
+      kind: PerconaPGBackup
+      controller: true
+      blockOwnerDeletion: true
+status:
+  succeeded: 1
+---
+apiVersion: postgres-operator.crunchydata.com/v1beta1
+kind: PostgresCluster
+metadata:
+  name: sidecars
+  ownerReferences:
+    - apiVersion: pgv2.percona.com/v2
+      kind: PerconaPGCluster
+      name: sidecars
+      controller: true
+      blockOwnerDeletion: true
+  finalizers:
+    - postgres-operator.crunchydata.com/finalizer
+status:
+  instances:
+    - name: instance1
+      readyReplicas: 3
+      replicas: 3
+      updatedReplicas: 3
+  observedGeneration: 1
+  pgbackrest:
+    repoHost:
+      apiVersion: apps/v1
+      kind: StatefulSet
+      ready: true
+    repos:
+      - bound: true
+        name: repo1
+        replicaCreateBackupComplete: true
+        stanzaCreated: true
+  proxy:
+    pgBouncer:
+      readyReplicas: 3
+      replicas: 3
+---
+apiVersion: pgv2.percona.com/v2
+kind: PerconaPGCluster
+metadata:
+  labels:
+    e2e: sidecars
+  name: sidecars
+spec:
+  instances:
+    - affinity:
+        podAntiAffinity:
+          preferredDuringSchedulingIgnoredDuringExecution:
+            - podAffinityTerm:
+                labelSelector:
+                  matchLabels:
+                    postgres-operator.crunchydata.com/data: postgres
+                topologyKey: kubernetes.io/hostname
+              weight: 1
+      dataVolumeClaimSpec:
+        accessModes:
+          - ReadWriteOnce
+        resources:
+          requests:
+            storage: 1Gi
+      name: instance1
+      replicas: 3
+      sidecars:
+        - command:
+            - sleep
+            - 30d
+          image: busybox
+          name: sidecar1
+        - command:
+            - sleep
+            - 30d
+          image: busybox
+          name: sidecar2
+  proxy:
+    pgBouncer:
+      affinity:
+        podAntiAffinity:
+          preferredDuringSchedulingIgnoredDuringExecution:
+            - podAffinityTerm:
+                labelSelector:
+                  matchLabels:
+                    postgres-operator.crunchydata.com/role: pgbouncer
+                topologyKey: kubernetes.io/hostname
+              weight: 1
+      replicas: 3
+      sidecars:
+        - command:
+            - sleep
+            - 30d
+          image: busybox
+          name: sidecar1
+status:
+  pgbouncer:
+    ready: 3
+    size: 3
+  postgres:
+    instances:
+      - name: instance1
+        ready: 3
+        size: 3
+    ready: 3
+    size: 3
+  state: ready

e2e-tests/tests/sidecars/01-create-cluster.yaml

@@ -0,0 +1,18 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestStep
+timeout: 20
+commands:
+  - script: |-
+      set -o errexit
+      set -o xtrace
+
+      source ../../functions
+
+      get_cr \
+        | yq eval '.spec.instances[0].sidecars = [{"name": "sidecar1", "image": "busybox", "command": ["sleep", "30d"]}]' - \
+        | yq eval '.spec.instances[0].sidecars += [{"name": "sidecar2", "image": "busybox", "command": ["sleep", "30d"]}]' - \
+      	| yq eval '.spec.proxy.pgBouncer.sidecars = [{"name": "sidecar1", "image": "busybox", "command": ["sleep", "30d"]}]' - \
+      	| kubectl -n "${NAMESPACE}" apply -f -
+    timeout: 30
+
+

e2e-tests/tests/sidecars/99-remove-cluster-gracefully.yaml

@@ -0,0 +1,21 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestStep
+delete:
+  - apiVersion: pgv2.percona.com/v2
+    kind: PerconaPGCluster
+    metadata:
+      name: self-healing
+  - apiVersion: postgres-operator.crunchydata.com/v1beta1
+    kind: PostgresCluster
+    metadata:
+      name: self-healing
+commands:
+  - script: |-
+      set -o errexit
+      set -o xtrace
+
+      source ../../functions
+
+      destroy_operator
+    timeout: 60
+