homeassistant: Add installation procedures for grafana

host_vars/lasagne.binary.kitchen

@@ -41,4 +41,5 @@ mosquitto_bridges:
 ha_pg_db_pass: "{{ vault_ha_pg_db_pass }}"
 pgadmin4_db_password: "{{ vault_pgadmin4_db_password }}"
 pgadmin4_initial_user_email: noby@binary-kitchen.de
-pgadmin4_initial_user_password: "{{ vault_pgadmin4_initial_user_password }}"
+pgadmin4_initial_user_password: "{{ vault_pgadmin4_initial_user_password }}"
+ha_pg_grafana_db_pass: "{{ vault_ha_pg_grafana_db_pass }}"

roles/homeassistant/defaults/main.yml

@@ -16,3 +16,7 @@ ha_pg_db_version: 15
 ha_pg_db_name: homeassistant
 ha_pg_db_user: homeassistant
 ha_pg_db_pass: xxxxx
+
+ha_pg_grafana_db_name: grafana
+ha_pg_grafana_db_user: grafana
+ha_pg_grafana_db_pass: xxxxx

roles/homeassistant/handlers/main.yml

@@ -9,3 +9,8 @@
   ansible.builtin.service:
     name: home-assistant
     state: restarted
+
+- name: Restart grafana
+  ansible.builtin.service:
+    name: grafana-server
+    state: restarted

roles/homeassistant/tasks/grafana.yml

@@ -0,0 +1,77 @@
+---
+
+- name: Grafana | add GPG signing key
+  become: true
+  ansible.builtin.apt_key:
+    url: "https://apt.grafana.com/gpg.key"
+    state: present
+    validate_certs: true
+
+- name: Grafana | add official repository
+  become: true
+  ansible.builtin.apt_repository:
+    repo: "deb https://apt.grafana.com stable main"
+    state: present
+    filename: grafana
+    update_cache: true
+  tags: install
+
+- name: Grafana | establish dependencies
+  become: true
+  ansible.builtin.apt:
+    name: "{{ item }}"
+    state: present
+  loop: ["grafana"]
+  tags: install
+
+- name: Grafana | Configure PostgreSQL database
+  community.general.postgresql_db:
+    name: "{{ ha_pg_grafana_db_name }}"
+    template: template0
+    encoding: utf8
+  become: true
+  become_user: postgres
+
+- name: Grafana | Configure PostgreSQL user
+  community.general.postgresql_user:
+    db: "{{ ha_pg_grafana_db_name }}"
+    name: "{{ ha_pg_grafana_db_user }}"
+    password: "{{ ha_pg_grafana_db_pass }}"
+  become: true
+  become_user: postgres
+
+- name: Grafana | GRANT ALL PRIVILEGES ON SCHEMA public TO {{ pgadmin4_db_user }}
+  community.postgresql.postgresql_privs:
+    db: "{{ ha_pg_grafana_db_name }}"
+    privs: ALL
+    type: schema
+    objs: public
+    role: "{{ ha_pg_grafana_db_user }}"
+  become: true
+  become_user: postgres
+
+- name: GRANT SELECT PRIVILEGES ON DATABASE {{ ha_pg_db_name }} TO {{ ha_pg_grafana_db_user }}
+  community.general.postgresql_privs:
+    db: "{{ ha_pg_db_name }}"
+    privs: SELECT
+    type: table
+    objs: statistics,statistics_meta
+    role: "{{ ha_pg_grafana_db_user }}"
+  become: true
+  become_user: postgres
+  ignore_errors: true
+
+- name: Grafana | install config file
+  ansible.builtin.template:
+    src: grafana.ini.j2
+    dest: "/etc/grafana/grafana.ini"
+    owner: root
+    group: root
+    mode: "0644"
+  notify: Restart grafana
+
+- name: Grafana | Start service
+  ansible.builtin.service:
+    name: grafana-server
+    state: started
+    enabled: true

roles/homeassistant/tasks/main.yml

@@ -11,3 +11,4 @@
     - postgres.yml
     - systemd.yml
     - installation.yml
+    - grafana.yml