K8SPG-851 introduce persistent logs

[gkech]

CHANGE DESCRIPTION

Jira: https://perconadev.atlassian.net/browse/K8SPG-851

---

Problem:
Short explanation of the problem.

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

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

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]

[shfmt] _{reported by reviewdog 🐶}

Suggested change

	printf '%s %s\n' "$schedule" "$cmd" > /tmp/crontab
	exec supercronic /tmp/crontab
	else
	exec go-cron "$schedule" sh -c "$cmd"
	fi
	printf '%s %s\n' "$schedule" "$cmd" >/tmp/crontab
	exec supercronic /tmp/crontab
	else
	exec go-cron "$schedule" sh -c "$cmd"
	fi

[github-actions]

[shfmt] _{reported by reviewdog 🐶}

Suggested change

	# Operator-managed postgres.conf overrides the default when present.
	# Operator-managed postgres.conf overrides the default when present.

[github-actions]

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

Suggested change

"github.com/percona/percona-postgresql-operator/v2/percona/logcollector"

[JNKPercona]

Test Name	Result	Time
backup-enable-disable	passed	00:15:13
builtin-extensions	passed	00:06:25
cert-manager-tls	passed	00:10:02
custom-envs	passed	00:18:47
custom-tls	passed	00:06:30
database-init-sql	passed	00:02:41
demand-backup	passed	00:23:59
demand-backup-offline-snapshot	passed	00:13:48
dynamic-configuration	passed	00:03:27
finalizers	passed	00:03:51
init-deploy	passed	00:03:55
huge-pages	passed	00:02:53
major-upgrade-14-to-15	passed	00:13:21
major-upgrade-15-to-16	passed	00:11:32
major-upgrade-16-to-17	passed	00:16:53
major-upgrade-17-to-18	passed	00:10:24
ldap	passed	00:06:02
ldap-tls	passed	00:05:40
monitoring	passed	00:10:50
monitoring-pmm3	passed	00:13:41
one-pod	passed	00:06:39
operator-self-healing	passed	00:10:57
pitr	passed	00:13:08
scaling	passed	00:05:41
scheduled-backup	passed	00:29:11
self-healing	passed	00:09:54
sidecars	passed	00:02:52
standby-pgbackrest	passed	00:18:47
standby-streaming	passed	00:13:20
start-from-backup	passed	00:11:16
tablespaces	passed	00:07:05
telemetry-transfer	passed	00:04:39
upgrade-consistency	passed	00:06:27
upgrade-minor	passed	00:06:44
users	passed	00:05:20

Summary	Value
Tests Run	35/35
Job Duration	01:46:52
Total Test Time	05:52:12

commit: 1ff2f02
image: perconalab/percona-postgresql-operator:PR-1675-1ff2f02d1