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K8SPG-303 - Add one-pod test (#798)
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‎e2e-tests/run-minikube.csv‎

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custom-extensions
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demand-backup
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init-deploy
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one-pod
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operator-self-healing
56
scaling
67
scheduled-backup

‎e2e-tests/run-pr.csv‎

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demand-backup
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init-deploy
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monitoring
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one-pod
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operator-self-healing
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pitr
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scaling
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scheduled-backup
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self-healing
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telemetry-transfer
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upgrade-minor
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users
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pitr

‎e2e-tests/run-release.csv‎

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init-deploy
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migration-backup-s3
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monitoring
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one-pod
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operator-self-healing
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pitr
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scaling
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scheduled-backup
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self-healing
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telemetry-transfer
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upgrade-minor
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users
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pitr

‎e2e-tests/tests/one-pod/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/one-pod/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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deploy_s3_secrets

‎e2e-tests/tests/one-pod/01-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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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: one-pod
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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: one-pod
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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: one-pod-pgbouncer
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labels:
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postgres-operator.crunchydata.com/cluster: one-pod
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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: one-pod
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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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updatedReplicas: 1
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readyReplicas: 1
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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: one-pod
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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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annotations:
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postgres-operator.crunchydata.com/pgbackrest-config: pgbackrest
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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: one-pod
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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: one-pod
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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: 1
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replicas: 1
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updatedReplicas: 1
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observedGeneration: 1
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pgbackrest:
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repos:
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- name: repo1
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stanzaCreated: true
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proxy:
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pgBouncer:
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readyReplicas: 1
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replicas: 1
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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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name: one-pod
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status:
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pgbouncer:
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ready: 1
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size: 1
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postgres:
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instances:
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- name: instance1
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ready: 1
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size: 1
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ready: 1
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size: 1
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state: ready

‎e2e-tests/tests/one-pod/01-create-cluster.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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get_cr \
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| yq eval '
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.spec.proxy.pgBouncer.replicas=1 |
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.spec.instances[].replicas=1' - \
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| kubectl -n "${NAMESPACE}" apply -f -

‎e2e-tests/tests/one-pod/02-write-data.yaml‎

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apiVersion: kuttl.dev/v1beta1
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kind: TestStep
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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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run_psql_local \
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'CREATE DATABASE myapp; \c myapp \\\ CREATE TABLE IF NOT EXISTS myApp (id int PRIMARY KEY);' \
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"postgres:$(get_psql_user_pass one-pod-pguser-postgres)@$(get_psql_user_host one-pod-pguser-postgres)"
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run_psql_local \
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'\c myapp \\\ INSERT INTO myApp (id) VALUES (100500)' \
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"postgres:$(get_psql_user_pass one-pod-pguser-postgres)@$(get_psql_user_host one-pod-pguser-postgres)"

‎e2e-tests/tests/one-pod/03-assert.yaml‎

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apiVersion: kuttl.dev/v1beta1
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kind: TestAssert
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timeout: 30
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---
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kind: ConfigMap
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apiVersion: v1
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metadata:
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name: 03-read-from-primary
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data:
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data: ' 100500'

‎e2e-tests/tests/one-pod/03-read-from-primary.yaml‎

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apiVersion: kuttl.dev/v1beta1
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kind: TestStep
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timeout: 30
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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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data=$(run_psql_local '\c myapp \\\ SELECT * from myApp;' "postgres:$(get_psql_user_pass one-pod-pguser-postgres)@$(get_psql_user_host one-pod-pguser-postgres)")
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kubectl create configmap -n "${NAMESPACE}" 03-read-from-primary --from-literal=data="${data}"

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