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-rw-r--r--roles/storage/zfs/pools/tasks/Debian.yml42
-rw-r--r--roles/storage/zfs/pools/tasks/Ubuntu.yml2
-rw-r--r--roles/storage/zfs/pools/tasks/enable-systemd-mount-generator.yml31
-rw-r--r--roles/storage/zfs/pools/tasks/main.yml61
4 files changed, 136 insertions, 0 deletions
diff --git a/roles/storage/zfs/pools/tasks/Debian.yml b/roles/storage/zfs/pools/tasks/Debian.yml
new file mode 100644
index 00000000..a1ed0387
--- /dev/null
+++ b/roles/storage/zfs/pools/tasks/Debian.yml
@@ -0,0 +1,42 @@
+---
+- name: install dkms
+ import_role:
+ name: prepare-dkms
+
+- name: check if contrib apt component is enabled
+ assert:
+ msg: "Debian zfs packages are in contrib - please enable it using 'apt_repo_components'"
+ that:
+ - apt_repo_components is defined
+ - "'contrib' in apt_repo_components"
+
+- name: enable backports and force ZFS packages from backports for buster
+ when: (ansible_distribution_major_version | int) == 10
+ block:
+ - name: add backports repo
+ include_role:
+ name: apt-repo/backports
+
+ - name: pin zfs packages to buster-backports
+ copy:
+ content: |
+ Package: libnvpair1linux libuutil1linux libzfs2linux libzpool2linux spl-dkms zfs-dkms zfs-test zfsutils-linux zfsutils-linux-dev zfs-zed
+ Pin: release n=buster-backports
+ Pin-Priority: 990
+ dest: /etc/apt/preferences.d/zfs-from-buster-backports
+
+- name: install zfs modules via dkms
+ apt:
+ name: zfs-dkms
+ state: present
+
+- name: check if module is available for the currently running kernel
+ command: modprobe --dry-run zfs
+ check_mode: no
+ register: zfs_module_available
+ failed_when: false
+ changed_when: false
+
+- name: rebuild zfs module
+ when: zfs_module_available.rc != 0
+ command: dpkg-reconfigure zfs-dkms
diff --git a/roles/storage/zfs/pools/tasks/Ubuntu.yml b/roles/storage/zfs/pools/tasks/Ubuntu.yml
new file mode 100644
index 00000000..9745d716
--- /dev/null
+++ b/roles/storage/zfs/pools/tasks/Ubuntu.yml
@@ -0,0 +1,2 @@
+---
+## nothing to do here - zfs modules are part of ubuntu core already
diff --git a/roles/storage/zfs/pools/tasks/enable-systemd-mount-generator.yml b/roles/storage/zfs/pools/tasks/enable-systemd-mount-generator.yml
new file mode 100644
index 00000000..eaa3cebe
--- /dev/null
+++ b/roles/storage/zfs/pools/tasks/enable-systemd-mount-generator.yml
@@ -0,0 +1,31 @@
+---
+- name: enable zfs-list-cacher zlet
+ file:
+ src: /usr/lib/zfs-linux/zed.d/history_event-zfs-list-cacher.sh
+ dest: /etc/zfs/zed.d/history_event-zfs-list-cacher.sh
+ state: link
+
+- name: create base-directory for zfs-list.cache
+ file:
+ path: /etc/zfs/zfs-list.cache/
+ state: directory
+
+- name: create zfs-list.cache file for all pools
+ loop: "{{ zfs_pools | dict2items }}"
+ loop_control:
+ label: "{{ item.key }}"
+ copy:
+ content: ""
+ dest: "/etc/zfs/zfs-list.cache/{{ item.key }}"
+ force: no
+
+## TODO: if this is installed after the zpool has already been created zed needs to be triggered
+## using someing like: zfs set canmount=on DATASET
+
+### HACK HACK HACK (see https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=966565)
+- name: patch zfs mount generator (Debian Bug 966565)
+ when: ansible_distribution == 'Debian'
+ lineinfile:
+ path: /usr/lib/systemd/system-generators/zfs-mount-generator
+ regexp: '^pools=\$\(zpool list -H -o name\)$'
+ line: "pools=$(zpool list -H -o name || true)"
diff --git a/roles/storage/zfs/pools/tasks/main.yml b/roles/storage/zfs/pools/tasks/main.yml
new file mode 100644
index 00000000..1a6b911d
--- /dev/null
+++ b/roles/storage/zfs/pools/tasks/main.yml
@@ -0,0 +1,61 @@
+---
+- name: configure arc size
+ when: zfs_arc_size is defined
+ copy:
+ content: |
+ options zfs zfs_arc_min={{ zfs_arc_size.min | human_to_bytes }}
+ options zfs zfs_arc_max={{ zfs_arc_size.max | human_to_bytes }}
+ dest: /etc/modprobe.d/zfs.conf
+
+- name: install zfs modules
+ include_tasks: "{{ ansible_distribution }}.yml"
+
+- name: load zfs kernel module
+ modprobe:
+ name: zfs
+ state: present
+
+- name: install zed and zfs file system utilities
+ apt:
+ name:
+ - zfsutils-linux
+ - zfs-zed
+ state: present
+
+- name: enable systemd mount-generator
+ when: zfs_use_systemd_mount_generator
+ import_tasks: enable-systemd-mount-generator.yml
+
+- name: gather zpool facts
+ zpool_facts:
+
+- name: generate list of existing pools
+ set_fact:
+ zfs_existing_pools: "{{ ansible_zfs_pools | map(attribute='name') | list }}"
+
+- name: try to import existing pools
+ loop: "{{ zfs_pools | dict2items }}"
+ loop_control:
+ label: "{{ item.key }}"
+ when: item.key not in zfs_existing_pools
+ command: "zpool import{% for dev in (item.value.create_vdevs.split(' ') | select('match', '^/dev/') ) %} -d {{ dev }}{% endfor %} -f {{ item.key }}"
+ register: zfs_import_result
+ failed_when:
+ - zfs_import_result.rc == 0
+ - (zfs_import_result.stderr_lines | reject("regex", " no such pool available$") | list | length) > 0
+ changed_when:
+ - (zfs_import_result.stderr_lines | length) == 0
+
+- name: gather zpool facts (again)
+ zpool_facts:
+
+- name: generate list of existing pools (again)
+ set_fact:
+ zfs_existing_pools: "{{ ansible_zfs_pools | map(attribute='name') | list }}"
+
+- name: create pools
+ loop: "{{ zfs_pools | dict2items }}"
+ loop_control:
+ label: "{{ item.key }}"
+ when: item.key not in zfs_existing_pools
+ command: "zpool create -m {{ item.value.mountpoint }} {% for prop, value in (item.value.properties | default(zfs_pool_properties)).items() %}-o {{ prop }}={{ value }} {% endfor %}{{ item.key }} {{ item.value.create_vdevs }}"