From 062c0cc41a38b003e614dc2c49cd22da304c838f Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Mon, 15 Jul 2024 23:42:17 +0200
Subject: redis-server: add configurable storage volume

---
 inventory/host_vars/ch-testvm-prometheus.yml |  7 +++++++
 roles/redis/server/defaults/main.yml         |  3 +++
 roles/redis/server/tasks/main.yml            | 16 ++++++++++++++++
 3 files changed, 26 insertions(+)

diff --git a/inventory/host_vars/ch-testvm-prometheus.yml b/inventory/host_vars/ch-testvm-prometheus.yml
index 147e0fe3..98c128b5 100644
--- a/inventory/host_vars/ch-testvm-prometheus.yml
+++ b/inventory/host_vars/ch-testvm-prometheus.yml
@@ -41,6 +41,13 @@ sshd_allowusers_host: "{{ normal_users_host | union(admin_users_host) | union(['
 
 ## test
 
+redis_server_storage:
+  type: lvm
+  vg: "{{ host_name }}"
+  lv: redis
+  size: 1G
+  fs: ext4
+
 redis_server_legacy_auth_password: "changeme"
 
 
diff --git a/roles/redis/server/defaults/main.yml b/roles/redis/server/defaults/main.yml
index b67716c7..58cf8ecc 100644
--- a/roles/redis/server/defaults/main.yml
+++ b/roles/redis/server/defaults/main.yml
@@ -1,2 +1,5 @@
 ---
+# redis_server_storage:
+#   type: ...
+
 # redis_server_legacy_auth_password: "very-secret"
diff --git a/roles/redis/server/tasks/main.yml b/roles/redis/server/tasks/main.yml
index 8114bced..8cd44ee5 100644
--- a/roles/redis/server/tasks/main.yml
+++ b/roles/redis/server/tasks/main.yml
@@ -1,10 +1,26 @@
 ---
+- name: prepare storage volume for /var/lib/redis
+  when: redis_server_storage is defined
+  vars:
+    storage_volume: "{{ redis_server_storage | combine({'dest': '/var/lib/redis'}) }}"
+  include_role:
+    name: "storage/{{ redis_server_storage.type }}/volume"
+
 - name: install redis-server packages
   apt:
     name:
     - redis-server
     state: present
 
+- name: make sure redis can write storage directory
+  file:
+    path: /var/lib/redis
+    state: directory
+    owner: redis
+    group: redis
+    mode: 0750
+  notify: restart redis-server
+
 - name: configure legacy authentication password
   when: redis_server_legacy_auth_password is defined
   lineinfile:
-- 
cgit v1.2.3