From e29ce4fdbe2ce669c62777fffa18ae8557e54a73 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Sun, 30 May 2021 22:28:46 +0200
Subject: prometheus: initial simple server role

---
 roles/monitoring/prometheus/server/tasks/main.yml | 48 ++++++++++++++++++++++-
 1 file changed, 47 insertions(+), 1 deletion(-)

(limited to 'roles/monitoring/prometheus/server/tasks')

diff --git a/roles/monitoring/prometheus/server/tasks/main.yml b/roles/monitoring/prometheus/server/tasks/main.yml
index ec5bd9a9..ffbc5ffe 100644
--- a/roles/monitoring/prometheus/server/tasks/main.yml
+++ b/roles/monitoring/prometheus/server/tasks/main.yml
@@ -1,4 +1,11 @@
 ---
+- 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: prepare storage volume for /var/lib/prometheus
   when: prometheus_server_storage is defined
   vars:
@@ -11,6 +18,45 @@
     name: prom-server
     state: present
 
+- name: create configuration directories
+  loop:
+  - rules
+  - targets
+  file:
+    path: "/etc/prometheus/{{ item }}"
+    state: directory
+
+- name: generate configuration file
+  template:
+    src: prometheus.yml.j2
+    dest: /etc/prometheus/prometheus.yml
+
+- name: add user for server
+  user:
+    name: prometheus
+    system: yes
+    home: /var/lib/prometheus
+    create_home: no
+
+- name: create data directory
+  file:
+    path: /var/lib/prometheus/metrics2
+    state: directory
+    owner: prometheus
+    group: prometheus
+
 ## TODO:
-## - systemd service unit
 ## - create CA and certificate/key
+
+- name: generate systemd service unit
+  template:
+    src: prometheus.service.j2
+    dest: /etc/systemd/system/prometheus.service
+  notify: restart prometheus
+
+- name: make sure prometheus is enabled and started
+  systemd:
+    name: prometheus.service
+    daemon_reload: yes
+    state: started
+    enabled: yes
-- 
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