8 files changed, 122 insertions, 9 deletions
diff --git a/roles/zfs/base/defaults/main.yml b/roles/zfs/base/defaults/main.yml
index f3dfbce9..c275b981 100644
--- a/roles/zfs/base/defaults/main.yml
+++ b/roles/zfs/base/defaults/main.yml
@@ -1,4 +1,9 @@
 ---
+zfs_use_systemd_mount_generator: yes
+#zfs_arc_size:
+#  min: {{ 2 * 1024 * 1024 * 1024 }}
+#  max: {{ 8 * 1024 * 1024 * 1024 }}
+
 zfs_zpool_properties:
   ashift: 12
 
@@ -12,7 +17,3 @@ zfs_zpool_properties:
 #     properties:
 #       ashift: 12
 #       prop: value
-
-#zfs_arc_size:
-#  min: {{ 2 * 1024 * 1024 * 1024 }}
-#  max: {{ 8 * 1024 * 1024 * 1024 }}
diff --git a/roles/zfs/base/tasks/Debian.yml b/roles/zfs/base/tasks/Debian.yml
index b9fdda95..a1ed0387 100644
--- a/roles/zfs/base/tasks/Debian.yml
+++ b/roles/zfs/base/tasks/Debian.yml
@@ -3,9 +3,29 @@
   import_role:
     name: prepare-dkms
 
-## TODO: make sure contrib repo is enabled
+- 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: install zfs-dkms
+- 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
diff --git a/roles/zfs/base/tasks/Ubuntu.yml b/roles/zfs/base/tasks/Ubuntu.yml
index 0ce85358..9745d716 100644
--- a/roles/zfs/base/tasks/Ubuntu.yml
+++ b/roles/zfs/base/tasks/Ubuntu.yml
@@ -1,2 +1,2 @@
 ---
-# Nothing to do here.
+## nothing to do here - zfs modules are part of ubuntu core already
diff --git a/roles/zfs/base/tasks/enable-systemd-mount-generator.yml b/roles/zfs/base/tasks/enable-systemd-mount-generator.yml
new file mode 100644
index 00000000..abefbeb1
--- /dev/null
+++ b/roles/zfs/base/tasks/enable-systemd-mount-generator.yml
@@ -0,0 +1,23 @@
+---
+- 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 zpools
+  loop: "{{ zfs_zpools | 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
diff --git a/roles/zfs/base/tasks/main.yml b/roles/zfs/base/tasks/main.yml
index e6f2347b..ad5d1ce2 100644
--- a/roles/zfs/base/tasks/main.yml
+++ b/roles/zfs/base/tasks/main.yml
@@ -15,11 +15,17 @@
     name: zfs
     state: present
 
-- name: install zfs file system utilities
+- name: install zed and zfs file system utilities
   apt:
-    name: zfsutils-linux
+    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: create zpools
   loop: "{{ zfs_zpools | dict2items }}"
   loop_control:
diff --git a/roles/zfs/sanoid/defaults/main.yml b/roles/zfs/sanoid/defaults/main.yml
new file mode 100644
index 00000000..55ebbd9d
--- /dev/null
+++ b/roles/zfs/sanoid/defaults/main.yml
@@ -0,0 +1,26 @@
+---
+zfs_sanoid_modules: {}
+
+zfs_sanoid_templates:
+  production:
+    frequently: 0
+    hourly: 36
+    daily: 7
+    monthly: 0
+    yearly: 0
+    autosnap: yes
+    autoprune: yes
+
+  backup:
+    frequently: 0
+    hourly: 0
+    daily: 60
+    monthly: 6
+    yearly: 0
+    autosnap: no
+    autoprune: yes
+
+  ignore:
+    autoprune: no
+    autosnap: no
+    monitor: no
diff --git a/roles/zfs/sanoid/tasks/main.yml b/roles/zfs/sanoid/tasks/main.yml
new file mode 100644
index 00000000..e35190e9
--- /dev/null
+++ b/roles/zfs/sanoid/tasks/main.yml
@@ -0,0 +1,15 @@
+---
+- name: install sanoid
+  apt:
+    name: sanoid
+    state: present
+
+- name: create sanoid config directory
+  file:
+    path: /etc/sanoid
+    state: directory
+
+- name: genarate sanoid config
+  template:
+    src: sanoid.conf.j2
+    dest: /etc/sanoid/sanoid.conf
diff --git a/roles/zfs/sanoid/templates/sanoid.conf.j2 b/roles/zfs/sanoid/templates/sanoid.conf.j2
new file mode 100644
index 00000000..2f2b29b4
--- /dev/null
+++ b/roles/zfs/sanoid/templates/sanoid.conf.j2
@@ -0,0 +1,22 @@
+###############################
+## modules
+###############################
+{% for name,options in zfs_sanoid_modules.items() %}
+
+[{{ name }}]
+{%   for option,value in options.items() %}
+	{{ option }} = {{ value }}
+{%   endfor %}
+{% endfor %}
+
+
+###############################
+## templates
+###############################
+{% for name,options in zfs_sanoid_templates.items() %}
+
+[template_{{ name }}]
+{%   for option,value in options.items() %}
+	{{ option }} = {{ value }}
+{%   endfor %}
+{% endfor %}