Add option for port mirroring

Enhancement summary

Currently the only way to achieve port mirroring is by using the eos_raw_cli option in eos_designs, it would be nice if it had a dedicated option inside connected_endpoints.adapters

Which component of AVD is impacted

eos_designs, eos_cli_config_gen

Use case example

Port mirroring is useful for monitoring and network probes.

Describe the solution you would like

Something similar to this :

servers:
  server1:
    adapters:
      - switch_ports: [Ethernet1]
        server_ports: [eth0]
        switches: [switch1]
        sessions:
           - name: 1
             type: source
             direction: tx

that would grab the interface/s from the switch_ports or port_channel, if one is defined, and assign it with the specified session. This would be generated in EOS as:

monitor session 1 source Ethernet1 tx

Describe alternatives you have considered

No response

Additional context

No response

Contributing Guide

• I agree to follow this project’s Code of Conduct

[ccsnw]

will do! just give me some time, have a couple of other things to finish first

[ClausHolbechArista]

#1435 only resolves the eos_cli_config_gen part of the issue. The eos_designs implementation is still missing.

Sorry I missed that. Reopened and I hope @ccsnw will take it on. Ping me if you need help.