Add command topic internal-info

[zymap]

OUTPUT

internal-info

➜  pulsarctl git:(topic-info) ✗ ./pulsarctl topic internal-info -h
USED FOR:
    This command is used for getting the internal info of a topic which has messages or subscriptions.

REQUIRED PERMISSION:
    This command requires tenant admin permissions.

EXAMPLES:
    #Get the internal info of a topic <topic-name>
    pulsarctl topic internal-info <topic-name>

OUTPUT:
    #normal output
    {
      "version": 1,
      "creationDate": "",
      "modificationData": "",
      "ledgers": [
        {
          "ledgerId": 0,
          "entries": 0,
          "size": 0,
          "timestamp": 0
        }
      ],
      "terminatedPosition": {
        "ledgerId": 0,
        "entryId": 0
      },
      "cursors": {
        "hello": {
          "version": 0,
          "creationDate": "",
          "modificationDate": "",
          "cursorsLedgerId": 0,
          "markDelete": {
            "ledgerId": 0,
            "entryId": 0
          },
          "individualDeletedMessages": null,
          "Properties": null
        }
      }
    }


    #the topic name is not specified
    [✖]  only one argument is allowed to be used as a name

    #the specified topic does not existing
    [✖]  code: 500 reason: Unknown pulsar error

    #the topic name is not in the format of <tenant>/<namespace>/<topic> or <topic>
    [✖]  Invalid short topic name '<topic-name>', it should be in the format of <tenant>/<namespace>/<topic> or <topic>

    #the topic name is not in the format of <domain>://<tenant>/<namespace>/<topic>
    [✖]  Invalid complete topic name '<topic-name>', it should be in the format of <domain>://<tenant>/<namespace>/<topic>

    #the topic name is not in the format of <tenant>/<namespace>/<topic>
    [✖]  Invalid topic name '<topic-name>', it should be in the format of<tenant>/<namespace>/<topic>

    #the namespace name is not in the format of <tenant>/<namespace>
    [✖]  The complete name of namespace is invalid. complete name : <namespace-complete-name>

    #the tenant name and(or) namespace name is empty
    [✖]  Invalid tenant or namespace. [<tenant>/<namespace>]

    #the tenant name contains unsupported special chars. the alphanumeric (a-zA-Z0-9) and the special chars (-=:.%)  is allowed
    [✖]  Tenant name include unsupported special chars. tenant : [<namespace>]

    #the namespace name contains unsupported special chars. the  alphanumeric (a-zA-Z0-9) and the special chars (-=:.%) is allowed
    [✖]  Namespace name include unsupported special chars. namespace : [<namespace>]

Usage: pulsarctl topics internal-info [flags]

[sijie]

Please rebase and fix CI

[zymap]

@sijie PTAL

[wolfstudy]

ping @sijie PTAL again, thanks