K8SPG-552 cert manager integration

[gkech]

CHANGE DESCRIPTION

Problem:

In terms of certificates, right now the operator creates them through its own internal logic. Utilizing however the cert-manager and integrating it with the operator, it allows the operator to configure the issuers and the certificates and then the cert-manager will manage their lifecycle.

#  tls:
#    certValidityDuration: 2160h
#    caValidityDuration: 26280h

☝🏽 new cr options added

Cause:
Short explanation of the root cause of the issue if applicable.

Solution:
Short explanation of the solution we are providing with this PR.

Helm chart PR: percona/percona-helm-charts#798

CHECKLIST

Jira

• Is the Jira ticket created and referenced properly?
• Does the Jira ticket have the proper statuses for documentation (Needs Doc) and QA (Needs QA)?
• Does the Jira ticket link to the proper milestone (Fix Version field)?

Tests

• Is an E2E test/test case added for the new feature/change?
• Are unit tests added where appropriate?

Config/Logging/Testability

• Are all needed new/changed options added to default YAML files?
• Are all needed new/changed options added to the Helm Chart?
• Did we add proper logging messages for operator actions?
• Did we ensure compatibility with the previous version or cluster upgrade process?
• Does the change support oldest and newest supported PG version?
• Does the change support oldest and newest supported Kubernetes version?

[github-actions]

[gofmt] _{reported by reviewdog 🐶}

percona-postgresql-operator/internal/controller/postgrescluster/controller.go

Lines 62 to 70 in 49fefce

	Client client.Client
	Scheme *k8sruntime.Scheme
	DiscoveryClient *discovery.DiscoveryClient
	IsOpenShift bool
	Owner client.FieldOwner
	PodExec runtime.PodExecutor
	Recorder record.EventRecorder
	Registration registration.Registration
	Tracer trace.Tracer

[github-actions]

[goimports-reviser] _{reported by reviewdog 🐶}

Suggested change

certmanagerscheme "github.com/cert-manager/cert-manager/pkg/client/clientset/versioned/scheme"

[JNKPercona]

Test Name	Result	Time
backup-enable-disable	passed	00:07:26
builtin-extensions	passed	00:04:54
cert-manager-tls	passed	00:04:57
custom-envs	passed	00:18:38
custom-extensions	passed	00:13:21
custom-tls	passed	00:06:05
database-init-sql	passed	00:02:36
demand-backup	passed	00:22:14
demand-backup-offline-snapshot	passed	00:12:46
dynamic-configuration	passed	00:06:16
finalizers	passed	00:03:31
init-deploy	passed	00:03:27
huge-pages	passed	00:02:41
monitoring	passed	00:06:37
monitoring-pmm3	passed	00:07:45
one-pod	passed	00:05:47
operator-self-healing	passed	00:10:08
pitr	passed	00:12:00
scaling	passed	00:04:35
scheduled-backup	passed	00:25:03
self-healing	passed	00:07:54
sidecars	passed	00:02:22
standby-pgbackrest	passed	00:12:46
standby-streaming	passed	00:09:22
start-from-backup	passed	00:10:27
tablespaces	passed	00:06:36
telemetry-transfer	passed	00:04:24
upgrade-consistency	passed	00:05:22
upgrade-minor	passed	00:06:11
users	passed	00:04:39

Summary	Value
Tests Run	30/30
Job Duration	01:22:37
Total Test Time	04:11:03

commit: 842853f
image: perconalab/percona-postgresql-operator:PR-1233-842853ffe