Allow restore without sst_info

[hors]

CHANGE DESCRIPTION

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?
• Are OpenShift compare files changed for E2E tests (compare/*-oc.yml)?

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 PXC version?
• Does the change support oldest and newest supported Kubernetes version?

[JNKPercona]

Test Name	Result	Time
affinity-8-0	passed	00:05:48
auto-tuning-8-0	passed	00:18:04
cross-site-8-0	passed	00:34:00
custom-users-8-0	passed	00:11:18
demand-backup-cloud-8-0	failure	00:16:35
demand-backup-encrypted-with-tls-8-0	failure	00:16:22
demand-backup-8-0	failure	00:15:58
demand-backup-flow-control-8-0	passed	00:10:07
demand-backup-parallel-8-0	passed	00:09:29
demand-backup-without-passwords-8-0	failure	00:14:06
haproxy-5-7	passed	00:13:30
haproxy-8-0	passed	00:13:30
init-deploy-5-7	passed	00:15:49
init-deploy-8-0	passed	00:16:13
limits-8-0	passed	00:11:43
monitoring-2-0-8-0	passed	00:21:54
monitoring-pmm3-8-0	passed	00:17:10
one-pod-5-7	passed	00:14:45
one-pod-8-0	passed	00:13:59
pitr-8-0	passed	00:43:19
pitr-gap-errors-8-0	passed	00:55:15
proxy-protocol-8-0	passed	00:09:17
proxysql-sidecar-res-limits-8-0	passed	00:08:24
pvc-resize-5-7	passed	00:15:55
pvc-resize-8-0	passed	00:14:31
recreate-8-0	passed	00:16:42
restore-to-encrypted-cluster-8-0	failure	00:20:20
scaling-proxysql-8-0	passed	00:08:13
scaling-8-0	passed	00:10:33
scheduled-backup-5-7	passed	01:02:49
scheduled-backup-8-0	passed	01:02:51
security-context-8-0	passed	00:26:24
smart-update1-8-0	passed	00:37:57
smart-update2-8-0	passed	00:37:14
storage-8-0	passed	00:09:58
tls-issue-cert-manager-ref-8-0	passed	00:08:36
tls-issue-cert-manager-8-0	passed	00:11:11
tls-issue-self-8-0	passed	00:13:01
upgrade-consistency-8-0	passed	00:10:58
upgrade-haproxy-5-7	passed	00:24:58
upgrade-haproxy-8-0	passed	00:24:24
upgrade-proxysql-5-7	passed	00:16:35
upgrade-proxysql-8-0	passed	00:13:31
users-5-7	passed	00:25:51
users-8-0	passed	00:23:47
validation-hook-8-0	passed	00:01:34
We run 46 out of 46		15:04:49

commit: afafff8
image: perconalab/percona-xtradb-cluster-operator:PR-2182-afafff88