add minimalistic role for prometheus/alertmanager

1 files changed, 45 insertions, 0 deletions

diff --git a/roles/monitoring/prometheus/alertmanager/tasks/main.yml b/roles/monitoring/prometheus/alertmanager/tasks/main.yml
new file mode 100644
index 00000000..fe8ce9ca
--- /dev/null
+++ b/roles/monitoring/prometheus/alertmanager/tasks/main.yml
@@ -0,0 +1,45 @@
+---
+- 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-alertmanager
+    state: present
+
+- name: add user for server
+  user:
+    name: prometheus-alertmanager
+    system: yes
+    home: /nonexistent
+    create_home: no
+
+- name: create data directory
+  file:
+    path: /var/lib/prometheus/alertmanager
+    state: directory
+    owner: prometheus-alertmanager
+    group: prometheus-alertmanager
+
+- name: generate configuration file
+  template:
+    src: alertmanager.yml.j2
+    dest: /etc/prometheus/alertmanager.yml
+  notify: reload prometheus-alertmanager
+
+- name: generate systemd service unit
+  template:
+    src: prometheus-alertmanager.service.j2
+    dest: /etc/systemd/system/prometheus-alertmanager.service
+  notify: restart prometheus-alertmanager
+
+- name: make sure alertmanager is enabled and started
+  systemd:
+    name: prometheus-alertmanager.service
+    daemon_reload: yes
+    state: started
+    enabled: yes