Create a bgp-neighbor stats and mount result to metal-core (#352)

metal-stack · Jan 23, 2025 · e57245c · e57245c
1 parent 724c4d1
commit e57245c
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Showing 6 changed files with 69 additions and 2 deletions.
diff --git a/partition/roles/metal-core/files/bgp-neighbor-stats.service b/partition/roles/metal-core/files/bgp-neighbor-stats.service
@@ -0,0 +1,6 @@
+[Unit]
+Description=Collect BGP Neighbor statistics
+
+[Service]
+Type=simple
+ExecStart=/usr/bin/bgp-neighbor-stats.sh
diff --git a/partition/roles/metal-core/files/bgp-neighbor-stats.sh b/partition/roles/metal-core/files/bgp-neighbor-stats.sh
@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+set -o errexit
+
+tmpfile=$(mktemp /var/run/bgp-neighbors/bgp-neighbors.XXXXXX)
+destfile=/var/run/bgp-neighbors/bgp-neighbors.json
+
+/usr/bin/vtysh -c "show ip bgp vrf all neighbors json" > "${tmpfile}"
+
+mv "${tmpfile}" "${destfile}"
+rm -f "${tmpfile}"
diff --git a/partition/roles/metal-core/files/bgp-neighbor-stats.timer b/partition/roles/metal-core/files/bgp-neighbor-stats.timer
@@ -0,0 +1,9 @@
+[Unit]
+Description=Collect BGP Neighbor statistics
+
+[Timer]
+OnCalendar=*:0/2
+Persistent=false
+
+[Install]
+WantedBy=timers.target
diff --git a/partition/roles/metal-core/handlers/main.yaml b/partition/roles/metal-core/handlers/main.yaml
@@ -1,4 +1,4 @@
 ---
 - name: Reload systemd daemon
   ansible.builtin.systemd:
-    daemon_reload: true
+    daemon_reload: true
diff --git a/partition/roles/metal-core/tasks/main.yaml b/partition/roles/metal-core/tasks/main.yaml
@@ -46,6 +46,46 @@
     - frr-reload.service
   when: metal_stack_switch_os_is_sonic
 
+- name: create bgp-neighbor-stats directory
+  file:
+    path: /var/run/bgp-neighbors
+    state: directory
+    owner: root
+    group: root
+    mode: "0755"
+
+- name: create bgp-neighbor-stats.sh
+  copy:
+    src: bgp-neighbor-stats.sh
+    dest: /usr/bin/bgp-neighbor-stats.sh
+    owner: root
+    group: root
+    mode: "0755"
+
+- name: create bgp-neighbor-stats.service
+  copy:
+    src: bgp-neighbor-stats.service
+    dest: /etc/systemd/system/bgp-neighbor-stats.service
+    owner: root
+    group: root
+    mode: "0644"
+  notify: Reload systemd daemon
+
+- name: create bgp-neighbor-stats.timer
+  copy:
+    src: bgp-neighbor-stats.timer
+    dest: /etc/systemd/system/bgp-neighbor-stats.timer
+    owner: root
+    group: root
+    mode: "0644"
+  notify: Reload systemd daemon
+
+- name: bgp-neighbor-stats.timer must be enabled and running
+  systemd:
+    name: bgp-neighbor-stats.timer
+    enabled: yes
+    state: started
+
 - name: deploy metal-core
   include_role:
     name: ansible-common/roles/systemd-docker-service

diff --git a/partition/roles/metal-core/templates/metal-core-volumes.j2 b/partition/roles/metal-core/templates/metal-core-volumes.j2
@@ -14,4 +14,5 @@
 - "{{ metal_core_grpc_cert_dir }}:/certs/grpc:ro"
 {% for volume_mount in metal_core_additional_volume_mounts %}
 - {{ volume_mount }}
-{% endfor %}
+{% endfor %}
+- /var/run/bgp-neighbors:/var/run/bgp-neighbors