Feat(eos_cli_config_gen): Implement management-ssh client-alive

[gmuloc]

Change Summary

Add client-alive options for management-ssh

Component(s) name

arista.avd.eos_cli_config_gen

Proposed changes

CLI output

ceos2(config-mgmt-ssh)#client-alive ?
  count-max  Number of keep-alive packets that can be sent without a response before the connection is assumed dead
  interval   Time period ( in seconds ) to send SSH keep-alive packets

ceos2(config-mgmt-ssh)#client-alive count-max ?
  <1-1000>  Set Value

ceos2(config-mgmt-ssh)#client-alive interval ?
  <1-1000>  Set Value

Adding the following schema:

      client_alive:
        type: dict
        keys:
          count_max:
            type: int
            convert_types:
              - str
            min: 1
            max: 1000
            description: Number of keep-alive packets that can be sent without a response before the connection is assumed dead.
          interval:
            type: int
            convert_types:
              - str
            min: 1
            max: 1000
            description: Time period (in seconds) to send SSH keep-alive packets.

How to test

molecule

Checklist

Repository Checklist

• My code has been rebased from devel before I start
• I have read the CONTRIBUTING document.
• My change requires a change to the documentation and documentation have been updated accordingly.
• I have updated molecule CI testing accordingly. (check the box if not applicable)

[carlbuchmann]

LGTM and tested settings on DUT