Kubectl volsync rsync tls

[tesshuflower]

Describe what this PR does

• Implements kubectl-volsync migration and replication for rsync-tls.

Migration for rsync-tls will require having stunnel installed locally.

• Also has a fix for migration to set the default replicationdestination name to something shorter, and allow optionally passing in the rdname as a parameter.

Is there anything that requires special attention?

• Versioned the data structure to v2 to try to keep all params saved in the data structure identical for rsync and rsync-tls and have an option for rsync-tls enabled
• rsynctls is currently defaulted to false
• When loading v1, automatically convert it to v2 and proceed.
• it's a bit messy with all the new parameters, hopefully not too confusing.
• implemented an rsync and rsync-tls version of handlers in an attempt to separate them - will make it easier to remove rsync too if we ever get to that point.
• Testing particularly on the cli migration side isn't great, but at least was able to add new e2e tests for cli replication.

Related issues:
#369
#1075

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: tesshuflower

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[sonarcloud]

Quality Gate passed

Issues
5 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
1.6% Duplication on New Code

See analysis details on SonarCloud