Feat(eos_cli_config_gen): Extend GRE span with payload support (#4190)

ansible_collections/arista/avd/molecule/eos_cli_config_gen/documentation/devices/monitor-session-default-encapsulation-gre.md

@@ -0,0 +1,55 @@
+# monitor-session-default-encapsulation-gre
+
+## Table of Contents
+
+- [Management](#management)
+  - [Management Interfaces](#management-interfaces)
+- [Monitoring](#monitoring)
+  - [Monitor Sessions](#monitor-sessions)
+
+## Management
+
+### Management Interfaces
+
+#### Management Interfaces Summary
+
+##### IPv4
+
+| Management Interface | Description | Type | VRF | IP Address | Gateway |
+| -------------------- | ----------- | ---- | --- | ---------- | ------- |
+| Management1 | oob_management | oob | MGMT | 10.73.255.122/24 | 10.73.255.2 |
+
+##### IPv6
+
+| Management Interface | Description | Type | VRF | IPv6 Address | IPv6 Gateway |
+| -------------------- | ----------- | ---- | --- | ------------ | ------------ |
+| Management1 | oob_management | oob | MGMT | - | - |
+
+#### Management Interfaces Device Configuration
+
+```eos
+!
+interface Management1
+   description oob_management
+   vrf MGMT
+   ip address 10.73.255.122/24
+```
+
+## Monitoring
+
+### Monitor Sessions
+
+#### Monitor Sessions Summary
+
+##### Monitor Session Default Settings
+
+| Settings | Values |
+| -------- | ------ |
+| Encapsulation GRE Payload | inner-packet |
+
+#### Monitor Sessions Device Configuration
+
+```eos
+!
+monitor session default encapsulation gre payload inner-packet
+```

ansible_collections/arista/avd/molecule/eos_cli_config_gen/intended/configs/monitor-session-default-encapsulation-gre.cfg

@@ -0,0 +1,7 @@
+!
+interface Management1
+   description oob_management
+   vrf MGMT
+   ip address 10.73.255.122/24
+!
+monitor session default encapsulation gre payload inner-packet

ansible_collections/arista/avd/molecule/eos_cli_config_gen/inventory/host_vars/monitor-session-default-encapsulation-gre.yml

@@ -0,0 +1,3 @@
+---
+monitor_session_default_encapsulation_gre:
+  payload: inner-packet

ansible_collections/arista/avd/molecule/eos_cli_config_gen/inventory/hosts.ini

@@ -97,6 +97,7 @@ mlag-configuration
 monitor-layer1
 monitor-connectivity
 monitor-sessions
+monitor-session-default-encapsulation-gre
 monitor-telemetry-influx
 monitor-telemetry-postcard-policy
 mpls

python-avd/pyavd/_eos_cli_config_gen/j2templates/documentation/monitor-sessions.j2

@@ -4,7 +4,7 @@
  that can be found in the LICENSE file.
 #}
 {# doc - monitor sessions #}
-{% if monitor_sessions is arista.avd.defined %}
+{% if monitor_sessions is arista.avd.defined or monitor_session_default_encapsulation_gre is arista.avd.defined %}
 
 ### Monitor Sessions
 
@@ -54,10 +54,19 @@
 {%             endif %}
 {%         endif %}
 {%     endfor %}
+{%     if monitor_session_default_encapsulation_gre.payload is arista.avd.defined %}
+
+##### Monitor Session Default Settings
+
+| Settings | Values |
+| -------- | ------ |
+| Encapsulation GRE Payload | {{ monitor_session_default_encapsulation_gre.payload }} |
+{%     endif %}
 
 #### Monitor Sessions Device Configuration
 
 ```eos
 {%     include 'eos/monitor-sessions.j2' %}
+{%     include 'eos/monitor-session-default-encapsulation-gre.j2' %}
 ```
 {% endif %}

python-avd/pyavd/_eos_cli_config_gen/j2templates/documentation/monitoring.j2

@@ -21,6 +21,7 @@
        or mcs_client is arista.avd.defined
        or snmp_server is arista.avd.defined
        or monitor_sessions is arista.avd.defined
+       or monitor_session_default_encapsulation_gre is arista.avd.defined
        or tap_aggregation is arista.avd.defined
        or sflow is arista.avd.defined
        or hardware_counters is arista.avd.defined

python-avd/pyavd/_eos_cli_config_gen/j2templates/eos-intended-config.j2

@@ -228,6 +228,7 @@
 {% include 'eos/ipv6-hardware.j2' %}
 {# Monitor Sessions #}
 {% include 'eos/monitor-sessions.j2' %}
+{% include 'eos/monitor-session-default-encapsulation-gre.j2' %}
 {# qos #}
 {% include 'eos/qos.j2' %}
 {# eos - priority flow control #}

python-avd/pyavd/_eos_cli_config_gen/j2templates/eos/monitor-session-default-encapsulation-gre.j2

@@ -0,0 +1,10 @@
+{#
+ Copyright (c) 2023-2024 Arista Networks, Inc.
+ Use of this source code is governed by the Apache License 2.0
+ that can be found in the LICENSE file.
+#}
+{# eos - monitor session default #}
+{% if monitor_session_default_encapsulation_gre.payload is arista.avd.defined %}
+!
+monitor session default encapsulation gre payload {{ monitor_session_default_encapsulation_gre.payload }}
+{% endif %}

python-avd/pyavd/_eos_cli_config_gen/schema/schema_fragments/monitor_session_default_encapsulation_gre.schema.yml

@@ -0,0 +1,17 @@
+# Copyright (c) 2023-2024 Arista Networks, Inc.
+# Use of this source code is governed by the Apache License 2.0
+# that can be found in the LICENSE file.
+# yaml-language-server: $schema=../../../../plugins/plugin_utils/schema/avd_meta_schema.json
+# Line above is used by RedHat's YAML Schema vscode extension
+# Use Ctrl + Space to get suggestions for every field. Autocomplete will pop up after typing 2 letters.
+type: dict
+keys:
+  monitor_session_default_encapsulation_gre:
+    type: dict
+    keys:
+      payload:
+        type: str
+        description: Mirroring GRE payload type configuration commands.
+        valid_values:
+          - full-packet
+          - inner-packet