Use Gossip Autogenerate Command

[t-eckert]

Changes proposed in this PR:

• Add get perm to gossip autogenerate role
• Use imageK8S and run command from job

How I've tested this PR:

I pushed an image of the control plane on the main branch to tecke/consul-k8s-dev. You can test running the autogeneration flag with the following Helm values:

global:
  gossipEncryption:
    autoGenerate: true
  imageK8S: "tecke/consul-k8s-dev"
  enabled: true

How I expect reviewers to test this PR:

Reviewers can test the PR using the same settings listed above. They may also wish to check that bats tests pass.

Reviewers, do you see any need for additional bats tests as a result of this change?

Checklist:

• Tests added
• CHANGELOG entry added

  HashiCorp engineers only, community PRs should not add a changelog entry.
  Entries should use present tense (e.g. Add support for...)

[ishustava]

Hey Thomas, this looks good!

Just one minor comment, but I'm approving assuming this will be fixed before merging.

[t-eckert]

I'm having trouble debugging the failing acceptance test. Putting a sticky note here that I'll need a buddy to help me get unblocked.

[t-eckert]

I'm having trouble debugging the failing acceptance test. Putting a sticky note here that I'll need a buddy to help me get unblocked.

Never mind, just an intermittent issue.

[lkysow]

Great work!!