From bae487535bfcaa8fd4d0361cfe147dbb1fbb5d3f Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Tue, 30 Apr 2024 12:34:46 +0200
Subject: add storage roles: mdadm and disk

---
 roles/storage/mdadm/device/defaults/main.yml |  9 +++++++++
 roles/storage/mdadm/device/handlers/main.yml |  3 +++
 roles/storage/mdadm/device/tasks/main.yml    | 23 +++++++++++++++++++++++
 3 files changed, 35 insertions(+)
 create mode 100644 roles/storage/mdadm/device/defaults/main.yml
 create mode 100644 roles/storage/mdadm/device/handlers/main.yml
 create mode 100644 roles/storage/mdadm/device/tasks/main.yml

(limited to 'roles/storage/mdadm/device')

diff --git a/roles/storage/mdadm/device/defaults/main.yml b/roles/storage/mdadm/device/defaults/main.yml
new file mode 100644
index 00000000..d2672a8b
--- /dev/null
+++ b/roles/storage/mdadm/device/defaults/main.yml
@@ -0,0 +1,9 @@
+---
+# mdadm_volume:
+#   name: mdfoobar
+#   level: 1
+#   devices:
+#   - /dev/disk/by-id/foo
+#   - /dev/disk/by-id/bar
+
+mdadm_device: "{{ storage_device }}"
diff --git a/roles/storage/mdadm/device/handlers/main.yml b/roles/storage/mdadm/device/handlers/main.yml
new file mode 100644
index 00000000..f967fa86
--- /dev/null
+++ b/roles/storage/mdadm/device/handlers/main.yml
@@ -0,0 +1,3 @@
+---
+- name: rebuild initramfs
+  command: update-initramfs -u
diff --git a/roles/storage/mdadm/device/tasks/main.yml b/roles/storage/mdadm/device/tasks/main.yml
new file mode 100644
index 00000000..338f26f7
--- /dev/null
+++ b/roles/storage/mdadm/device/tasks/main.yml
@@ -0,0 +1,23 @@
+---
+- name: create array
+  command: "mdadm --create /dev/md/{{ mdadm_device.name }} --metadata default --level {{ mdadm_device.level }} --raid-devices {{ mdadm_device.devices | length }} {{ mdadm_device.devices | join(' ') }}"
+  args:
+    creates: "/dev/md/{{ mdadm_device.name }}"
+
+- name: fetch UUID of array
+  command: "mdadm --detail --scan /dev/md/{{ mdadm_device.name }}"
+  changed_when: false
+  check_mode: no
+  register: mdadm_device_uuid
+
+- name: udpate mdadm.conf
+  lineinfile:
+    path: /etc/mdadm/mdadm.conf
+    regexp: '^ARRAY /dev/md/{{ mdadm_device.name }} '
+    line: "{{ mdadm_device_uuid.stdout_lines | first }}"
+    insertafter: "# definitions of existing MD arrays"
+  notify: rebuild initramfs
+
+- name: export device path
+  set_fact:
+    storage_device_path: "/dev/md/{{ mdadm_device.name }}"
-- 
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