diff options
author | Christian Pointner <equinox@spreadspace.org> | 2021-05-31 22:41:50 +0200 |
---|---|---|
committer | Christian Pointner <equinox@spreadspace.org> | 2021-06-20 01:44:16 +0200 |
commit | 35fb88969a6cb85d8ba7541820acf3b0ff891055 (patch) | |
tree | 8e986321cf06886a8b3ebb4251c5b056ffa2d8b4 /roles/monitoring/prometheus | |
parent | prometheus basic exporter base role (diff) |
prometheus: initial node exporter role
Diffstat (limited to 'roles/monitoring/prometheus')
5 files changed, 55 insertions, 3 deletions
diff --git a/roles/monitoring/prometheus/exporter/base/templates/service.j2 b/roles/monitoring/prometheus/exporter/base/templates/service.j2 index 6069fc79..e2c54d6c 100644 --- a/roles/monitoring/prometheus/exporter/base/templates/service.j2 +++ b/roles/monitoring/prometheus/exporter/base/templates/service.j2 @@ -5,6 +5,7 @@ Description=Prometheus exporter proxy Restart=always User=prometheus-exporter ExecStart=/usr/bin/prometheus-exporter-exporter --config.dirs=/etc/prometheus/exporter/enabled --config.file="" --web.listen-address="{{ prometheus_exporter_listen }}" +{# TODO: implement reloading once the exporter_exporter supports this #} # systemd hardening-options AmbientCapabilities= diff --git a/roles/monitoring/prometheus/exporter/node/defaults/main.yml b/roles/monitoring/prometheus/exporter/node/defaults/main.yml new file mode 100644 index 00000000..5eff7844 --- /dev/null +++ b/roles/monitoring/prometheus/exporter/node/defaults/main.yml @@ -0,0 +1,5 @@ +--- +prometheus_exporter_node_disable_collectors: [] + +prometheus_exporter_node_extra_collectors: +- ntp diff --git a/roles/monitoring/prometheus/exporter/node/handlers/main.yml b/roles/monitoring/prometheus/exporter/node/handlers/main.yml index 9c62baf6..3e1b2000 100644 --- a/roles/monitoring/prometheus/exporter/node/handlers/main.yml +++ b/roles/monitoring/prometheus/exporter/node/handlers/main.yml @@ -3,3 +3,9 @@ service: name: prometheus-node-exporter state: restarted + +- name: reload prometheus-exporter-exporter + service: + name: prometheus-exporter-exporter + ## TODO: implement reload once exporter_exporter supports this... + state: restarted diff --git a/roles/monitoring/prometheus/exporter/node/tasks/main.yml b/roles/monitoring/prometheus/exporter/node/tasks/main.yml index 0758eb3f..694dafb0 100644 --- a/roles/monitoring/prometheus/exporter/node/tasks/main.yml +++ b/roles/monitoring/prometheus/exporter/node/tasks/main.yml @@ -1,9 +1,39 @@ --- +- name: check if prometheus apt component of spreadspace repo is enabled + assert: + msg: "please enable the 'prometheus' component of spreadspace repo using 'spreadspace_apt_repo_components'" + that: + - spreadspace_apt_repo_components is defined + - "'prometheus' in spreadspace_apt_repo_components" + - name: install apt packages apt: name: prom-exporter-node state: present -## TODO: -## - systemd service unit -## - add snippet to exporter-exporter config-dir +- name: create directory for textfile collector + file: + path: /var/lib/prometheus-node-exporter/textfile-collector + state: directory + +- name: generate systemd service unit + template: + src: service.j2 + dest: /etc/systemd/system/prometheus-node-exporter.service + notify: restart prometheus-node-exporter + +- name: make sure prometheus-exporter-exporter is enabled and started + systemd: + name: prometheus-node-exporter.service + daemon_reload: yes + state: started + enabled: yes + +- name: register exporter + copy: + content: | + method: http + http: + port: 9100 + dest: /etc/prometheus/exporter/enabled/node.yml + notify: reload prometheus-exporter-exporter diff --git a/roles/monitoring/prometheus/exporter/node/templates/service.j2 b/roles/monitoring/prometheus/exporter/node/templates/service.j2 new file mode 100644 index 00000000..c3b46472 --- /dev/null +++ b/roles/monitoring/prometheus/exporter/node/templates/service.j2 @@ -0,0 +1,10 @@ +[Unit] +Description=Prometheus exporter + +[Service] +Restart=always +User=prometheus-exporter +ExecStart=/usr/bin/prometheus-node-exporter --web.listen-address="127.0.0.1:9100" --web.disable-exporter-metrics --collector.textfile.directory="/var/lib/prometheus-node-exporter/textfile-collector" {% for collector in prometheus_exporter_node_disable_collectors %} --no-collector.{{ collector }}{% endfor %}{% for collector in prometheus_exporter_node_extra_collectors %} --collector.{{ collector }}{% endfor %}{{ '' }} + +[Install] +WantedBy=multi-user.target |