From 6aafd88ab17b8ac7a3462af935f02f67d91eff77 Mon Sep 17 00:00:00 2001
From: Yohann D'ANELLO <ynerant@crans.org>
Date: Thu, 4 Aug 2022 10:36:44 +0200
Subject: [PATCH] [bird] Deploy prometheus-bird-exporter on routers to monitor
routes
Signed-off-by: Yohann D'ANELLO <ynerant@crans.org>
---
group_vars/bird.yml | 3 +++
host_vars/monitoring.adm.crans.org.yml | 17 +++++++++++++++++
plays/monitoring.yml | 7 +++++++
.../prometheus-bird-exporter/handlers/main.yml | 5 +++++
roles/prometheus-bird-exporter/tasks/main.yml | 16 ++++++++++++++++
5 files changed, 48 insertions(+)
create mode 100644 roles/prometheus-bird-exporter/handlers/main.yml
create mode 100644 roles/prometheus-bird-exporter/tasks/main.yml
diff --git a/group_vars/bird.yml b/group_vars/bird.yml
index 640499de..e1d2e891 100644
--- a/group_vars/bird.yml
+++ b/group_vars/bird.yml
@@ -1,2 +1,5 @@
---
glob_bird: {}
+
+glob_prometheus_bird_exporter:
+ listen_addr: "{{ query('ldap', 'ip', ansible_hostname, 'adm') | ansible.utils.ipv4 | first }}"
diff --git a/host_vars/monitoring.adm.crans.org.yml b/host_vars/monitoring.adm.crans.org.yml
index fc4f2a9b..0d75d169 100644
--- a/host_vars/monitoring.adm.crans.org.yml
+++ b/host_vars/monitoring.adm.crans.org.yml
@@ -98,6 +98,23 @@ loc_prometheus:
- target_label: __address__
replacement: 127.0.0.1:9115
+ bird:
+ file: targets_bird.json
+ targets: "{{ groups['bird'] | select('match', '^.*\\.adm\\.crans\\.org$') | list | sort }}"
+ config:
+ - job_name: servers
+ file_sd_configs:
+ - files:
+ - '/etc/prometheus/targets_bird.json'
+ relabel_configs:
+ - source_labels: [__address__]
+ target_label: __param_target
+ - source_labels: [__param_target]
+ target_label: instance
+ - source_labels: [__param_target]
+ target_label: __address__
+ replacement: '$1:9324'
+
mtail:
file: targets_mtail.json
targets:
diff --git a/plays/monitoring.yml b/plays/monitoring.yml
index 7704fe8b..a09218ad 100755
--- a/plays/monitoring.yml
+++ b/plays/monitoring.yml
@@ -46,6 +46,13 @@
roles:
- prometheus-nginx-exporter
+# Monitor Bird metrics
+- hosts: bird
+ vars:
+ prometheus_bird_exporter: "{{ glob_prometheus_bird_exporter | default({}) | combine(loc_prometheus_bird_exporter | default({})) }}"
+ roles:
+ - prometheus-bird-exporter
+
# Monitor mailq with a special text exporter
# - hosts: redisdead.adm.crans.org
# roles: ["prometheus-node-exporter-postfix"]
diff --git a/roles/prometheus-bird-exporter/handlers/main.yml b/roles/prometheus-bird-exporter/handlers/main.yml
new file mode 100644
index 00000000..b8912526
--- /dev/null
+++ b/roles/prometheus-bird-exporter/handlers/main.yml
@@ -0,0 +1,5 @@
+---
+- name: Restart prometheus-bird-exporter
+ service:
+ name: prometheus-bird-exporter
+ state: restarted
diff --git a/roles/prometheus-bird-exporter/tasks/main.yml b/roles/prometheus-bird-exporter/tasks/main.yml
new file mode 100644
index 00000000..effc17d5
--- /dev/null
+++ b/roles/prometheus-bird-exporter/tasks/main.yml
@@ -0,0 +1,16 @@
+---
+- name: Install Prometheus bird-exporter
+ apt:
+ update_cache: true
+ name: prometheus-bird-exporter
+ register: apt_result
+ retries: 3
+ until: apt_result is succeeded
+
+- name: Make Prometheus bird-exporter listen on adm only and use Bird v2
+ lineinfile:
+ path: /etc/default/prometheus-bird-exporter
+ regexp: ^ARGS=
+ line: |
+ ARGS="-format.new -bird.v2 -web.listen-address={{ prometheus_bird_exporter.listen_addr }}:9324"
+ notify: Restart prometheus-bird-exporter