7 files changed, 124 insertions, 0 deletions
diff --git a/roles/storage/mdadm/base/defaults/main.yml b/roles/storage/mdadm/base/defaults/main.yml
new file mode 100644
index 00000000..ef875336
--- /dev/null
+++ b/roles/storage/mdadm/base/defaults/main.yml
@@ -0,0 +1,23 @@
+---
+mdadm_devices: {}
+
+# mdadm_devices:
+#   foobar:
+#     name: mdfoobar
+#     level: 1
+#     devices:
+#     - /dev/disk/by-id/foo
+#     - /dev/disk/by-id/bar
+
+mdadm_volumes: {}
+
+# mdadm_volumes:
+#   foobar:
+#     name: mdfoobar
+#     level: 1
+#     devices:
+#     - /dev/disk/by-id/foo
+#     - /dev/disk/by-id/bar
+#     fs: ext4
+#     dest: /srv/foobar
+#     mntopts: x-systemd.automount,nofail
diff --git a/roles/storage/mdadm/base/tasks/main.yml b/roles/storage/mdadm/base/tasks/main.yml
new file mode 100644
index 00000000..3ed83c4c
--- /dev/null
+++ b/roles/storage/mdadm/base/tasks/main.yml
@@ -0,0 +1,23 @@
+---
+- name: install mdadm
+  apt:
+    name: mdadm
+    state: present
+
+- name: create mdadm devices
+  loop: "{{ mdadm_devices | dict2items }}"
+  loop_control:
+    label: "{{ item.key }}"
+  vars:
+    mdadm_device: "{{ item.value }}"
+  include_role:
+    name: storage/mdadm/device
+
+- name: create mdadm volumes
+  loop: "{{ mdadm_volumes | dict2items }}"
+  loop_control:
+    label: "{{ item.key }}"
+  vars:
+    mdadm_volume: "{{ item.value }}"
+  include_role:
+    name: storage/mdadm/volume
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 }}"
diff --git a/roles/storage/mdadm/volume/defaults/main.yml b/roles/storage/mdadm/volume/defaults/main.yml
new file mode 100644
index 00000000..b4a16a1d
--- /dev/null
+++ b/roles/storage/mdadm/volume/defaults/main.yml
@@ -0,0 +1,12 @@
+---
+# mdadm_volume:
+#   name: mdfoobar
+#   level: 1
+#   devices:
+#   - /dev/disk/by-id/foo
+#   - /dev/disk/by-id/bar
+#   fs: ext4
+#   dest: /srv/foobar
+#   mntopts: x-systemd.automount,nofail
+
+mdadm_volume: "{{ storage_volume }}"
diff --git a/roles/storage/mdadm/volume/tasks/main.yml b/roles/storage/mdadm/volume/tasks/main.yml
new file mode 100644
index 00000000..c7c6f3f9
--- /dev/null
+++ b/roles/storage/mdadm/volume/tasks/main.yml
@@ -0,0 +1,31 @@
+---
+- name: create mdadm device
+  vars:
+    mdadm_device: "{{ mdadm_volume }}"
+  include_role:
+    name: storage/mdadm/device
+
+- name: create filesystem
+  filesystem:
+    dev: "{{ storage_device_path }}"
+    fstype: "{{ mdadm_volume.fs }}"
+
+- name: mount filesytem
+  mount:
+    src: "{{ storage_device_path }}"
+    path: "{{ mdadm_volume.dest }}"
+    fstype: "{{ mdadm_volume.fs }}"
+    opts: "{{ mdadm_volume.mntopts | default(omit) }}"
+    state: mounted
+
+- name: set volume owner/group and mode
+  file:
+    state: directory
+    path: "{{ mdadm_volume.dest }}"
+    mode: "{{ mdadm_volume.mode | default(omit) }}"
+    owner: "{{ mdadm_volume.owner | default(omit) }}"
+    group: "{{ mdadm_volume.group | default(omit) }}"
+
+- name: export volume mountpoint
+  set_fact:
+    storage_volume_mountpoint: "{{ mdadm_volume.dest }}"