DEV-769: subtituted base_requirements_backup with lv_with_hetzner_volumes role

group_vars/stage_dev/postgres.yml

@@ -0,0 +1,4 @@
+---
+
+postgres_backup_volume_count: 2
+postgres_backup_volume_size: 10

roles/postgres/tasks/base-requirements_backup.yml

@@ -1,63 +0,0 @@
----
-- name: "Creating some hcloud volumes for backup purpose"
-  hcloud_volume:
-    api_token: "{{ hetzner_authentication_ansible }}" 
-    name: "postgres-backup--{{ inventory_hostname }}--vol{{ item }}"
-    server: "{{ inventory_hostname }}"
-    labels:
-      stage: "{{ stage }}"
-      used_for: "{{ inventory_hostname }}"
-    size: "{{ postgres_backup_volume_size }}"
-    state: present
-    delete_protection: yes
-  loop: "{{ range(1, postgres_backup_volume_count+1) | list }}"
-  register: created_volume
-  delegate_to: localhost
-  become: false
-
-- name: "Getting all hcloud volumes for {{ inventory_hostname }}"
-  hcloud_volume_info:
-    api_token: "{{ hetzner_authentication_ansible }}" 
-    label_selector: "stage={{ stage }},used_for={{ inventory_hostname }}"
-  register: hcloud_volumes_found 
-  delegate_to: localhost
-  become: false
-
-- name: "Getting all hcloud volumes for {{ inventory_hostname }}"
-  debug:
-     msg: "{{ hcloud_volumes_found }}"
-
-- name: "Setting LVM related VARs"
-  set_fact:
-    pvs: "{{ hcloud_volumes_found.hcloud_volume_info | json_query(jmesquery) }}"
-    vg_name: vg.postgres_backup
-    lv_name: lv.postgres_backup
-  vars:
-    jmesquery: "[*].linux_device"
-
-- name: "Creating a volume group on top of all found hcloud volumes"
-  community.general.lvg:
-    vg: "{{ vg_name }}"
-    pvs: "{{ pvs }}"
-    pvresize: yes
-  register: create_vg
-
-- name: "Create logical volume" # noqa no-handler
-  community.general.lvol:
-    vg: "{{ vg_name }}"
-    lv: "{{ lv_name }}" 
-    size: '100%FREE'
-  when:
-  - create_vg.changed
-
-- name: "Format volume"
-  filesystem:
-    fstype: ext4
-    dev: "/dev/{{ vg_name }}/{{ lv_name }}"
-
-- name: "Mount created LVM volume"
-  mount:
-    path: "{{ backup_directory }}"
-    src: "/dev/{{ vg_name }}/{{ lv_name }}"
-    fstype: ext4
-    state: mounted

roles/postgres/tasks/main.yml

@@ -23,8 +23,14 @@
   when: server_type == "master"
 
 # Master requirements for postgres
-- name: Include Base Backup Requirements
-  include_tasks: base-requirements_backup.yml
+- name: Create/Resize LVM for Backup
+  include_role:
+    name: lvm_with_hetzner_volumes
+  vars:
+    lvm_with_hetzner_volumes__volprefix: "postgres-backup"
+    lvm_with_hetzner_volumes__volsize: "{{ postgres_backup_volume_size }}"
+    lvm_with_hetzner_volumes__volcount: "{{ postgres_backup_volume_count }}"
+    lvm_with_hetzner_volumes__mountpath: "{{ backup_directory}}"
   when: server_type == "master"
   args:
     apply: