From 6cd6720ea66f8697e2a5f59da9c497a2886bb56e Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Sun, 25 Feb 2018 00:08:58 +0100
Subject: ubuntu ws home dir handling

---
 roles/ubuntu-ws/tasks/fs.yaml | 99 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 roles/ubuntu-ws/tasks/fs.yaml

(limited to 'roles/ubuntu-ws/tasks/fs.yaml')

diff --git a/roles/ubuntu-ws/tasks/fs.yaml b/roles/ubuntu-ws/tasks/fs.yaml
new file mode 100644
index 00000000..07358b99
--- /dev/null
+++ b/roles/ubuntu-ws/tasks/fs.yaml
@@ -0,0 +1,99 @@
+---
+- name: resize root logical volume
+  lvol:
+    vg: "{{ inventory_hostname }}"
+    lv: root
+    size: "{{ ubuntu_ws_root_fs_size }}"
+
+- name: create/resize root filesystem
+  filesystem:
+    fstype: ext4
+    dev: "/dev/mapper/{{ inventory_hostname | replace('-', '--') }}-root"
+    resizefs: yes
+
+- name: create/resize home logical volume
+  lvol:
+    vg: "{{ inventory_hostname }}"
+    lv: home
+    size: "{{ ubuntu_ws_home_fs_size }}"
+
+- name: create/resize home filesystem
+  filesystem:
+    fstype: ext4
+    dev: "/dev/mapper/{{ inventory_hostname | replace('-', '--') }}-home"
+    resizefs: yes
+
+- name: check if home is already mounted
+  command: "mountpoint -q /home"
+  register: home_mounted
+  check_mode: False
+  failed_when: False
+  changed_when: False
+
+- name: check if there are files in /home
+  find:
+    paths: /home
+    file_type: any
+  register: home_files
+
+- name: move existing files to new filesystem
+  when: home_mounted.rc == 1 and home_files.matched != 0
+  block:
+  - name: create temporary mountpoint (1/2)
+    tempfile:
+      state: directory
+      suffix: mnt-home
+    register: mnt_home_temp
+
+  - name: create temporary mountpoint (1/2)
+    file:
+      state: directory
+      path: "{{ mnt_home_temp.path }}/mnt"
+
+  - name: temporarly mount new home filesystem
+    mount:
+      path: "{{ mnt_home_temp.path }}/mnt"
+      src: "/dev/mapper/{{ inventory_hostname | replace('-', '--') }}-home"
+      state: mounted
+      fstype: ext4
+      fstab: "{{ mnt_home_temp.path }}/fstab"
+
+  - name: check if target fs is empty
+    find:
+      paths: "{{ mnt_home_temp.path }}/mnt"
+      file_type: any
+    register: home_files_target
+    failed_when: home_files_target.matched > 1 or (home_files_target.matched == 1 and home_files_target.files[0].path !=  mnt_home_temp.path + "/mnt/lost+found")
+
+  - name: copy all files from old /home to new filesystem
+    command: "find -maxdepth 1 -exec cp -a {} {{ mnt_home_temp.path }}/mnt/ \\;"
+    args:
+      chdir: /home
+
+  - name: remove all files from old /home
+    file:
+      path: /home
+      state: absent
+
+  - name: recreate /home mountpoint
+    file:
+      path: /home
+      state: directory
+
+  - name: umount temporarly mounted home filesystem
+    mount:
+      path: "{{ mnt_home_temp.path }}/mnt"
+      state: unmounted
+
+  - name: remove temporary mountpoint
+    file:
+      state: absent
+      path: "{{ mnt_home_temp.path }}"
+
+- name: mount home filesystem
+  mount:
+    path: /home
+    src: "/dev/mapper/{{ inventory_hostname | replace('-', '--') }}-home"
+    state: mounted
+    fstype: ext4
+    opts: nodev
-- 
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