K8SPG-175: add standby test

e2e-tests/run-minikube.csv

@@ -4,6 +4,7 @@ operator-self-healing
 scaling
 scheduled-backup
 self-healing
+standby
 start-from-backup
 telemetry-transfer
 users

e2e-tests/run-pr.csv

@@ -5,6 +5,7 @@ operator-self-healing
 scaling
 scheduled-backup
 self-healing
+standby
 start-from-backup
 telemetry-transfer
 users

e2e-tests/run-release.csv

@@ -5,6 +5,7 @@ operator-self-healing
 scaling
 scheduled-backup
 self-healing
+standby
 start-from-backup
 telemetry-transfer
 users

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

@@ -0,0 +1,13 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestStep
+timeout: 10
+commands:
+  - script: |-
+      set -o errexit
+      set -o xtrace
+
+      source ../../functions
+
+      deploy_operator
+      deploy_client
+      deploy_s3_secrets

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

@@ -0,0 +1,108 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestAssert
+timeout: 600
+---
+kind: StatefulSet
+apiVersion: apps/v1
+metadata:
+  labels:
+    postgres-operator.crunchydata.com/cluster: standby-primary
+    postgres-operator.crunchydata.com/data: postgres
+    postgres-operator.crunchydata.com/instance-set: instance1
+  ownerReferences:
+    - apiVersion: postgres-operator.crunchydata.com/v1beta1
+      kind: PostgresCluster
+      name: standby-primary
+      controller: true
+      blockOwnerDeletion: true
+status:
+  observedGeneration: 1
+  replicas: 1
+  readyReplicas: 1
+  currentReplicas: 1
+  updatedReplicas: 1
+  collisionCount: 0
+---
+kind: Deployment
+apiVersion: apps/v1
+metadata:
+  name: standby-primary-pgbouncer
+  labels:
+    postgres-operator.crunchydata.com/cluster: standby-primary
+    postgres-operator.crunchydata.com/role: pgbouncer
+  annotations:
+    deployment.kubernetes.io/revision: '1'
+  ownerReferences:
+    - apiVersion: postgres-operator.crunchydata.com/v1beta1
+      kind: PostgresCluster
+      name: standby-primary
+      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: standby-primary
+    postgres-operator.crunchydata.com/pgbackrest: ''
+    postgres-operator.crunchydata.com/pgbackrest-backup: replica-create
+    postgres-operator.crunchydata.com/pgbackrest-repo: repo1
+  annotations:
+    postgres-operator.crunchydata.com/pgbackrest-config: database
+  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: standby-primary
+  ownerReferences:
+    - apiVersion: pgv2.percona.com/v2
+      kind: PerconaPGCluster
+      name: standby-primary
+      controller: true
+      blockOwnerDeletion: true
+  finalizers:
+    - postgres-operator.crunchydata.com/finalizer
+status:
+  instances:
+    - name: instance1
+      readyReplicas: 3
+      replicas: 3
+      updatedReplicas: 3
+  observedGeneration: 1
+  pgbackrest:
+    repos:
+      - name: repo1
+        stanzaCreated: true
+  proxy:
+    pgBouncer:
+      readyReplicas: 3
+      replicas: 3
+---
+apiVersion: pgv2.percona.com/v2
+kind: PerconaPGCluster
+metadata:
+  name: standby-primary
+status:
+  pgbouncer:
+    ready: 3
+    size: 3
+  postgres:
+    instances:
+    - name: instance1
+      ready: 3
+      size: 3
+    ready: 3
+    size: 3
+  state: ready

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

@@ -0,0 +1,18 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestStep
+timeout: 10
+commands:
+  - script: |-
+      set -o errexit
+      set -o xtrace
+
+      source ../../functions
+
+      get_cr \
+          | yq ".metadata.name=\"${test_name}-primary\"" \
+          | yq "del(.spec.backups.pgbackrest.repos[0].schedules)" \
+          | yq "del(.spec.backups.pgbackrest.repos[0].volume)" \
+          | yq ".spec.backups.pgbackrest.repos[0].gcs.bucket=\"pg-operator-testing\"" \
+          | yq ".spec.backups.pgbackrest.configuration[0].secret.name=\"standby-pgbackrest-secrets\"" \
+          | yq ".spec.backups.pgbackrest.global.repo1-path = \"/backrestrepo/postgres-operator/'${test_name}${RANDOM}'/repo1\"" \
+          | kubectl -n "${NAMESPACE}" apply -f -

e2e-tests/tests/standby/02-write-data.yaml

@@ -0,0 +1,16 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestStep
+commands:
+  - script: |-
+      set -o errexit
+      set -o xtrace
+
+      source ../../functions
+
+      run_psql_local \
+        'CREATE DATABASE myapp; \c myapp \\\ CREATE TABLE IF NOT EXISTS myApp (id int PRIMARY KEY);' \
+        "postgres:$(get_psql_user_pass standby-primary-pguser-postgres)@$(get_psql_user_host standby-primary-pguser-postgres)"
+
+      run_psql_local \
+        '\c myapp \\\ INSERT INTO myApp (id) VALUES (100500)' \
+        "postgres:$(get_psql_user_pass standby-primary-pguser-postgres)@$(get_psql_user_host standby-primary-pguser-postgres)"

e2e-tests/tests/standby/03-assert.yaml

@@ -0,0 +1,10 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestAssert
+timeout: 30
+---
+kind: ConfigMap
+apiVersion: v1
+metadata:
+  name: 03-read-from-primary
+data:
+  data: ' 100500'

e2e-tests/tests/standby/03-read-from-primary.yaml

@@ -0,0 +1,12 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestStep
+timeout: 30
+commands:
+  - script: |-
+      set -o errexit
+      set -o xtrace
+
+      source ../../functions
+      data=$(run_psql_local '\c myapp \\\ SELECT * from myApp;' "postgres:$(get_psql_user_pass standby-primary-pguser-postgres)@$(get_psql_user_host standby-primary-pguser-postgres)")
+
+      kubectl create configmap -n "${NAMESPACE}" 03-read-from-primary --from-literal=data="${data}"

e2e-tests/tests/standby/04-assert.yaml

@@ -0,0 +1,90 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestAssert
+timeout: 300
+---
+kind: StatefulSet
+apiVersion: apps/v1
+metadata:
+  labels:
+    postgres-operator.crunchydata.com/cluster: standby-standby
+    postgres-operator.crunchydata.com/data: postgres
+    postgres-operator.crunchydata.com/instance-set: instance1
+  ownerReferences:
+    - apiVersion: postgres-operator.crunchydata.com/v1beta1
+      kind: PostgresCluster
+      name: standby-standby
+      controller: true
+      blockOwnerDeletion: true
+status:
+  observedGeneration: 1
+  replicas: 1
+  readyReplicas: 1
+  currentReplicas: 1
+  updatedReplicas: 1
+  collisionCount: 0
+---
+kind: Deployment
+apiVersion: apps/v1
+metadata:
+  name: standby-standby-pgbouncer
+  labels:
+    postgres-operator.crunchydata.com/cluster: standby-standby
+    postgres-operator.crunchydata.com/role: pgbouncer
+  annotations:
+    deployment.kubernetes.io/revision: '1'
+  ownerReferences:
+    - apiVersion: postgres-operator.crunchydata.com/v1beta1
+      kind: PostgresCluster
+      name: standby-standby
+      controller: true
+      blockOwnerDeletion: true
+status:
+  observedGeneration: 1
+  replicas: 3
+  updatedReplicas: 3
+  readyReplicas: 3
+---
+apiVersion: postgres-operator.crunchydata.com/v1beta1
+kind: PostgresCluster
+metadata:
+  name: standby-standby
+  ownerReferences:
+    - apiVersion: pgv2.percona.com/v2
+      kind: PerconaPGCluster
+      name: standby-standby
+      controller: true
+      blockOwnerDeletion: true
+  finalizers:
+    - postgres-operator.crunchydata.com/finalizer
+status:
+  instances:
+    - name: instance1
+      readyReplicas: 3
+      replicas: 3
+      updatedReplicas: 3
+  observedGeneration: 1
+  pgbackrest:
+    repos:
+      - name: repo1
+        stanzaCreated: false
+  proxy:
+    pgBouncer:
+      readyReplicas: 3
+      replicas: 3
+---
+apiVersion: pgv2.percona.com/v2
+kind: PerconaPGCluster
+metadata:
+  name: standby-standby
+status:
+  pgbouncer:
+    ready: 3
+    size: 3
+  postgres:
+    instances:
+    - name: instance1
+      ready: 3
+      size: 3
+    ready: 3
+    size: 3
+  state: ready

e2e-tests/tests/standby/04-create-standby.yaml

@@ -0,0 +1,22 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestStep
+timeout: 10
+commands:
+  - script: |-
+      set -o errexit
+      set -o xtrace
+
+      source ../../functions
+
+      repo_path=$(kubectl get pg -n "${NAMESPACE}" "${test_name}-primary" -o yaml | yq ".spec.backups.pgbackrest.global.repo1-path")
+
+      get_cr \
+          | yq ".metadata.name=\"${test_name}-standby\"" \
+          | yq ".spec.standby.enabled=true" \
+          | yq ".spec.standby.repoName=\"repo1\"" \
+          | yq "del(.spec.backups.pgbackrest.repos[0].schedules)" \
+          | yq "del(.spec.backups.pgbackrest.repos[0].volume)" \
+          | yq ".spec.backups.pgbackrest.repos[0].gcs.bucket=\"pg-operator-testing\"" \
+          | yq ".spec.backups.pgbackrest.configuration[0].secret.name=\"standby-pgbackrest-secrets\"" \
+          | yq ".spec.backups.pgbackrest.global.repo1-path = \"$repo_path\"" \
+          | kubectl -n "${NAMESPACE}" apply -f -

e2e-tests/tests/standby/05-assert.yaml

@@ -0,0 +1,10 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestAssert
+timeout: 30
+---
+kind: ConfigMap
+apiVersion: v1
+metadata:
+  name: 05-read-from-standby
+data:
+  data: ' 100500'

e2e-tests/tests/standby/05-read-from-standby.yaml

@@ -0,0 +1,12 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestStep
+timeout: 30
+commands:
+  - script: |-
+      set -o errexit
+      set -o xtrace
+
+      source ../../functions
+      data=$(run_psql_local '\c myapp \\\ SELECT * from myApp;' "postgres:$(get_psql_user_pass standby-primary-pguser-postgres)@$(get_psql_user_host standby-standby-pguser-postgres)")
+
+      kubectl create configmap -n "${NAMESPACE}" 05-read-from-standby --from-literal=data="${data}"

e2e-tests/tests/standby/06-write-data-to-standby.yaml

@@ -0,0 +1,13 @@
+apiVersion: kuttl.dev/v1beta1
+kind: TestStep
+commands:
+  - script: |-
+      set -o errexit
+      set -o xtrace
+
+      source ../../functions
+
+      run_psql_local \
+        'CREATE DATABASE myapp2; \c myapp2 \\\ CREATE TABLE IF NOT EXISTS myApp (id int PRIMARY KEY);' \
+        "postgres:$(get_psql_user_pass standby-primary-pguser-postgres)@$(get_psql_user_host standby-standby-pguser-postgres)" 2>&1 | cat \
+        | grep "ERROR:  cannot execute CREATE DATABASE in a read-only transaction"