create poc for adding plugins to rosa

[ciaranRoche]

With lots of time recently spent discussing proxy aws commands. This POC looks to add support for plugins in ROSA, allowing us to easily add the aws binary as a plugin to ROSA.

So far this POC supports both the aws and ocm binaries along with any other plugins that are prefixed with rosa-

Usage

Using aws plugin

╭─croche@fedora ~/Work/ocm/rosa ‹poc-plugin› 
╰─$ rosa aws iam get-policy --policy-arn arn:aws:iam::765374464689:policy/croche-4.13-Installer-Role-Policy | jq 
{
  "Policy": {
    "PolicyName": "croche-4.13-Installer-Role-Policy",
    "PolicyId": "ANPA3EM67QKYZSNXPRRXR",
    "Arn": "arn:aws:iam::765374464689:policy/croche-4.13-Installer-Role-Policy",
    "Path": "/",
    "DefaultVersionId": "v1",
    "AttachmentCount": 1,
    "PermissionsBoundaryUsageCount": 0,
    "IsAttachable": true,
    "CreateDate": "2024-04-03T11:12:24+00:00",
    "UpdateDate": "2024-04-03T11:12:24+00:00",
    "Tags": [
      {
        "Key": "rosa_role_prefix",
        "Value": "croche-4.13"
      },
      {
        "Key": "red-hat-managed",
        "Value": "true"
      },
      {
        "Key": "rosa_openshift_version",
        "Value": "4.15"
      },
      {
        "Key": "rosa_role_type",
        "Value": "installer"
      }
    ]
  }
}

Using the ocm plugin

╭─croche@fedora ~/Work/ocm/rosa ‹poc-plugin› 
╰─$ rosa ocm list clusters
ID                                NAME                          API URL                                                     OPENSHIFT_VERSION   PRODUCT ID      CLOUD_PROVIDER  REGION ID       STATE        
17ccnfgpfasu8e731vlps34qtg9a5hv2  c9f7b02f-c28d-45f3-9892-5867  NONE                                                        NONE                ocp             NONE            NONE            ready        
188uv2hjmql5i5eirkf8thiau1pvr1t5  519a1cee-0023-1118-bce7-e153  NONE                                                        NONE                ocp             NONE            NONE            ready        
19dc5cd43lpc4i9ekje0cr8f0slicchl  63ae9d4d-6bfc-448e-9334-25e8  NONE                                                        NONE                ocp             NONE            NONE            ready  

Listing all plugins

╭─croche@fedora ~/Work/ocm/rosa ‹poc-plugin› 
╰─$ rosa plugin list                                                                                            130 ↵
- Name:  ocm
  Path:  /home/croche/go/bin
- Name:  rosa-mgmt
  Path:  /home/croche/go/bin
- Name:  rosa-ocm
  Path:  /home/croche/go/bin
- Name:  aws
  Path:  /usr/local/bin
- Name:  rosa-aws
  Path:  /usr/local/bin

This is just a POC and is missing tests etc, but just looking for some feedback on this.

[ciaranRoche]

/hold

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ciaranRoche

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[openshift-merge-robot]

PR needs rebase.

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[openshift-ci]

@ciaranRoche: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/commits	f21f0ff	link	true	/test commits
ci/prow/test	f21f0ff	link	true	/test test
ci/prow/coverage	f21f0ff	link	true	/test coverage
ci/prow/images-release-images	f21f0ff	link	true	/test images-release-images

Full PR test history. Your PR dashboard.

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