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K8SPG-645 turn on sidecar containers for pgbouncer (#968)
* K8SPG-645 turn on sidecar conteiners for pgbouncer * Update cmd/postgres-operator/main.go Co-authored-by: Andrii Dema <a.dema@jazzserve.com> * add sidecar test * update test --------- Co-authored-by: Andrii Dema <a.dema@jazzserve.com> Co-authored-by: Viacheslav Sarzhan <slava.sarzhan@percona.com>
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‎cmd/postgres-operator/main.go

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

‎e2e-tests/run-pr.csv

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

‎e2e-tests/run-release.csv

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

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

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apiVersion: kuttl.dev/v1beta1
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kind: TestAssert
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timeout: 120
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---
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apiVersion: apiextensions.k8s.io/v1
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kind: CustomResourceDefinition
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metadata:
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name: perconapgclusters.pgv2.percona.com
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spec:
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group: pgv2.percona.com
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names:
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kind: PerconaPGCluster
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listKind: PerconaPGClusterList
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plural: perconapgclusters
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singular: perconapgcluster
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scope: Namespaced
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---
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apiVersion: kuttl.dev/v1beta1
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kind: TestAssert
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metadata:
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name: check-operator-deploy-status
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timeout: 120
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commands:
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- 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

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apiVersion: kuttl.dev/v1beta1
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kind: TestStep
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timeout: 10
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commands:
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- script: |-
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set -o errexit
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set -o xtrace
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source ../../functions
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init_temp_dir # do this only in the first TestStep
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deploy_operator
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deploy_client
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‎e2e-tests/tests/sidecars/01-assert.yaml

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

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

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apiVersion: kuttl.dev/v1beta1
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kind: TestStep
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timeout: 20
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commands:
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- script: |-
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set -o errexit
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set -o xtrace
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source ../../functions
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get_cr \
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| yq eval '.spec.instances[0].sidecars = [{"name": "sidecar1", "image": "busybox", "command": ["sleep", "30d"]}]' - \
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| yq eval '.spec.instances[0].sidecars += [{"name": "sidecar2", "image": "busybox", "command": ["sleep", "30d"]}]' - \
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| yq eval '.spec.proxy.pgBouncer.sidecars = [{"name": "sidecar1", "image": "busybox", "command": ["sleep", "30d"]}]' - \
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| kubectl -n "${NAMESPACE}" apply -f -
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timeout: 30
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‎e2e-tests/tests/sidecars/99-remove-cluster-gracefully.yaml

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