Feat(eos_cli_config_gen): Add support for LSP and CSNP timers under router_isis

ansible_collections/arista/avd/molecule/eos_cli_config_gen/documentation/devices/router-isis-2.md

@@ -44,6 +44,7 @@ interface Management1
 | Settings | Value |
 | -------- | ----- |
 | Instance | EVPN_UNDERLAY |
+| LSP Generation Maximum Interval | 30 seconds |
 
 #### ISIS Interfaces Summary
 
@@ -57,6 +58,7 @@ interface Management1
 router isis EVPN_UNDERLAY
    set-overload-bit
    set-overload-bit on-startup 55
+   timers lsp generation 30
    authentication mode sha key-id 4 rx-disabled
    !
 ```

ansible_collections/arista/avd/molecule/eos_cli_config_gen/documentation/devices/router-isis-new.md

@@ -195,6 +195,8 @@ interface Vlan4094
 | Log Adjacency Changes | False |
 | MPLS LDP Sync Default | True |
 | Local Convergence Delay (ms) | 10000 |
+| LSP Generation Maximum Interval | 30 seconds |
+| LSP Generation Initial Wait-time | 40 milliseconds |
 | Advertise Passive-only | True |
 | SR MPLS Enabled | True |
 | SPF Interval | 250 seconds |
@@ -282,6 +284,7 @@ router isis EVPN_UNDERLAY
    set-overload-bit
    advertise passive-only
    spf-interval 250 seconds 10 milliseconds 20 milliseconds
+   timers lsp generation 30 40
    authentication mode shared-secret profile test1 algorithm md5 level-1
    authentication mode sha key-id 2 level-2
    graceful-restart

ansible_collections/arista/avd/molecule/eos_cli_config_gen/documentation/devices/router-isis.md

@@ -282,6 +282,14 @@ interface Vlan4094
 | Router-ID | 192.168.255.3 |
 | Log Adjacency Changes | True |
 | Local Convergence Delay (ms) | 15000 |
+| CSN Packet Transmission Interval | 10 seconds |
+| CSN Packet P2P Links Disabled | True |
+| LSP Generation Maximum Interval | 30 seconds |
+| LSP Generation Initial Wait-time | 40 milliseconds |
+| LSP Generation Wait-time | 50 milliseconds |
+| LSP Out-delay | 20 milliseconds |
+| LSP Refresh Interval | 56 seconds |
+| LSP Minimum Remaining Lifetime | 78 seconds |
 | Advertise Passive-only | True |
 | SR MPLS Enabled | False |
 | SPF Interval | 250 seconds |
@@ -352,6 +360,12 @@ router isis EVPN_UNDERLAY
    set-overload-bit on-startup wait-for-bgp
    advertise passive-only
    spf-interval 250
+   timers csnp generation interval 10 seconds
+   timers csnp generation p2p disabled
+   timers lsp out-delay 20
+   timers lsp refresh 56
+   timers lsp generation 30 40 50
+   timers lsp min-remaining-lifetime 78
    authentication mode sha key-id 5 rx-disabled level-1
    authentication mode shared-secret profile test2 algorithm md5 rx-disabled level-2
    authentication key 0 password

ansible_collections/arista/avd/molecule/eos_cli_config_gen/intended/configs/router-isis-2.cfg

@@ -7,5 +7,6 @@ interface Management1
 router isis EVPN_UNDERLAY
    set-overload-bit
    set-overload-bit on-startup 55
+   timers lsp generation 30
    authentication mode sha key-id 4 rx-disabled
    !

ansible_collections/arista/avd/molecule/eos_cli_config_gen/intended/configs/router-isis-new.cfg

@@ -71,6 +71,7 @@ router isis EVPN_UNDERLAY
    set-overload-bit
    advertise passive-only
    spf-interval 250 seconds 10 milliseconds 20 milliseconds
+   timers lsp generation 30 40
    authentication mode shared-secret profile test1 algorithm md5 level-1
    authentication mode sha key-id 2 level-2
    graceful-restart

ansible_collections/arista/avd/molecule/eos_cli_config_gen/intended/configs/router-isis.cfg

@@ -108,6 +108,12 @@ router isis EVPN_UNDERLAY
    set-overload-bit on-startup wait-for-bgp
    advertise passive-only
    spf-interval 250
+   timers csnp generation interval 10 seconds
+   timers csnp generation p2p disabled
+   timers lsp out-delay 20
+   timers lsp refresh 56
+   timers lsp generation 30 40 50
+   timers lsp min-remaining-lifetime 78
    authentication mode sha key-id 5 rx-disabled level-1
    authentication mode shared-secret profile test2 algorithm md5 rx-disabled level-2
    authentication key 0 password

ansible_collections/arista/avd/molecule/eos_cli_config_gen/inventory/host_vars/router-isis-2.yml

@@ -4,6 +4,10 @@ router_isis:
     enabled: true
     on_startup:
       delay: 55
+  timers:
+    lsp:
+      generation:
+        interval: 30
   authentication:
     both:
       key_type: 0

ansible_collections/arista/avd/molecule/eos_cli_config_gen/inventory/host_vars/router-isis-new.yml

@@ -17,6 +17,10 @@ router_isis:
   timers:
     local_convergence:
       protected_prefixes: true
+    lsp:
+      generation:
+        interval: 30
+        initial_wait_time: 40
   advertise:
     passive_only: true
   redistribute_routes:

ansible_collections/arista/avd/molecule/eos_cli_config_gen/inventory/host_vars/router-isis.yml

@@ -14,6 +14,17 @@ router_isis:
     local_convergence:
       protected_prefixes: true
       delay: 15000
+    csnp_generation:
+      interval: 10
+      p2p_disabled: true
+    lsp:
+      out_delay: 20
+      refresh_interval: 56
+      generation:
+        interval: 30
+        initial_wait_time: 40
+        wait_time: 50
+      min_remaining_lifetime: 78
   advertise:
     passive_only: true
   redistribute_routes:

python-avd/pyavd/_eos_cli_config_gen/j2templates/documentation/router-isis.j2

@@ -33,6 +33,30 @@
 {%     if router_isis.timers.local_convergence.protected_prefixes is arista.avd.defined(true) %}
 | Local Convergence Delay (ms) | {{ router_isis.timers.local_convergence.delay | arista.avd.default(10000) }} |
 {%     endif %}
+{%     if router_isis.timers.csnp_generation.interval is arista.avd.defined %}
+| CSN Packet Transmission Interval | {{ router_isis.timers.csnp_generation.interval }} seconds |
+{%     endif %}
+{%     if router_isis.timers.csnp_generation.p2p_disabled is arista.avd.defined %}
+| CSN Packet P2P Links Disabled | {{ router_isis.timers.csnp_generation.p2p_disabled }} |
+{%     endif %}
+{%     if router_isis.timers.lsp.generation.interval is arista.avd.defined %}
+| LSP Generation Maximum Interval | {{ router_isis.timers.lsp.generation.interval }} seconds |
+{%     endif %}
+{%     if router_isis.timers.lsp.generation.initial_wait_time is arista.avd.defined %}
+| LSP Generation Initial Wait-time | {{ router_isis.timers.lsp.generation.initial_wait_time }} milliseconds |
+{%     endif %}
+{%     if router_isis.timers.lsp.generation.wait_time is arista.avd.defined %}
+| LSP Generation Wait-time | {{ router_isis.timers.lsp.generation.wait_time }} milliseconds |
+{%     endif %}
+{%     if router_isis.timers.lsp.out_delay is arista.avd.defined %}
+| LSP Out-delay | {{ router_isis.timers.lsp.out_delay }} milliseconds |
+{%     endif %}
+{%     if router_isis.timers.lsp.refresh_interval is arista.avd.defined %}
+| LSP Refresh Interval | {{ router_isis.timers.lsp.refresh_interval }} seconds |
+{%     endif %}
+{%     if router_isis.timers.lsp.min_remaining_lifetime is arista.avd.defined %}
+| LSP Minimum Remaining Lifetime | {{ router_isis.timers.lsp.min_remaining_lifetime }} seconds |
+{%     endif %}
 {%     if router_isis.advertise.passive_only is arista.avd.defined(true) %}
 | Advertise Passive-only | {{ router_isis.advertise.passive_only }} |
 {%     endif %}

python-avd/pyavd/_eos_cli_config_gen/j2templates/eos/router-isis.j2

@@ -91,6 +91,31 @@ router isis {{ router_isis.instance }}
 {%         endif %}
    {{ spf_interval_cli }}
 {%     endif %}
+{%     if router_isis.timers.csnp_generation.interval is arista.avd.defined %}
+   timers csnp generation interval {{ router_isis.timers.csnp_generation.interval }} seconds
+{%     endif %}
+{%     if router_isis.timers.csnp_generation.p2p_disabled is arista.avd.defined(true) %}
+   timers csnp generation p2p disabled
+{%     endif %}
+{%     if router_isis.timers.lsp.out_delay is arista.avd.defined %}
+   timers lsp out-delay {{ router_isis.timers.lsp.out_delay }}
+{%     endif %}
+{%     if router_isis.timers.lsp.refresh_interval is arista.avd.defined %}
+   timers lsp refresh {{ router_isis.timers.lsp.refresh_interval }}
+{%     endif %}
+{%     if router_isis.timers.lsp.generation.interval is arista.avd.defined %}
+{%         set timers_lsp_generation =  "timers lsp generation " ~ router_isis.timers.lsp.generation.interval %}
+{%         if router_isis.timers.lsp.generation.initial_wait_time is arista.avd.defined %}
+{%             set timers_lsp_generation = timers_lsp_generation ~ " " ~ router_isis.timers.lsp.generation.initial_wait_time %}
+{%             if router_isis.timers.lsp.generation.wait_time is arista.avd.defined %}
+{%                 set timers_lsp_generation = timers_lsp_generation ~ " " ~ router_isis.timers.lsp.generation.wait_time %}
+{%             endif %}
+{%         endif %}
+   {{ timers_lsp_generation }}
+{%     endif %}
+{%     if router_isis.timers.lsp.min_remaining_lifetime is arista.avd.defined %}
+   timers lsp min-remaining-lifetime {{ router_isis.timers.lsp.min_remaining_lifetime }}
+{%     endif %}
 {%     if router_isis.authentication.both.mode is arista.avd.defined
           and (router_isis.authentication.both.mode in ["md5", "text"]
                or (router_isis.authentication.both.mode == "sha" and router_isis.authentication.both.sha.key_id is arista.avd.defined)

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

@@ -44,6 +44,69 @@ keys:
                   - str
                 default: 10000
                 description: Delay in milliseconds.
+          lsp:
+            description: Link State Packet timers.
+            type: dict
+            keys:
+              generation:
+                type: dict
+                keys:
+                  interval:
+                    type: int
+                    convert_types:
+                      - str
+                    min: 1
+                    max: 300
+                    required: true
+                    description: Maximum interval (in seconds) between generating two LSPs.
+                  initial_wait_time:
+                    type: int
+                    convert_types:
+                      - str
+                    min: 1
+                    max: 300000
+                    description: Initial wait time (in milliseconds) before generating LSPs.
+                  wait_time:
+                    type: int
+                    convert_types:
+                      - str
+                    min: 1
+                    max: 300000
+                    description: Wait time (in milliseconds) between generating the first and second LSPs.
+              out_delay:
+                type: int
+                convert_types:
+                  - str
+                min: 1
+                max: 65000
+                description: Transmit delay (in milliseconds) for link state packets.
+              refresh_interval:
+                type: int
+                convert_types:
+                  - str
+                min: 30
+                max: 65535
+                description: Interval (in seconds) between two LSP refreshes.
+              min_remaining_lifetime:
+                type: int
+                convert_types:
+                  - str
+                min: 60
+                max: 65535
+                description: Minimum remaining lifetime for LSPs (in seconds).
+          csnp_generation:
+            type: dict
+            keys:
+              interval:
+                type: int
+                convert_types:
+                  - str
+                min: 1
+                max: 300
+                description: Transmit frequency (in seconds) for CSN packets.
+              p2p_disabled:
+                type: bool
+                description: Disable periodic CSN packets for P2P links.
       set_overload_bit:
         type: dict
         keys: