Add fetlab and its zfs config

roles/fetlab/defaults/main.yml

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+---
+fetlab_zfs: True

roles/fetlab/files/zfs_mount_settings.sh

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+#list our zpools to be mounted, one per line, no delimiter
+pools=(
+	"lab"
+)
+#list all devs and their aliases to be used with luksOpen
+declare -A devs=(
+	["/dev/disk/by-id/ata-ST4000VN008-2DR166_ZDH35RRA-part1"]="ata-ST4000VN008-2DR166_ZDH35RRA-part1"
+	["/dev/disk/by-id/ata-ST4000VN008-2DR166_ZDH469JD-part1"]="ata-ST4000VN008-2DR166_ZDH469JD-part1"
+)
+#set your log file name
+LOG=/var/log/zfs_mount

roles/fetlab/tasks/main.yml

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+---
+- import_tasks: zfs.yml
+  when: fetlab_zfs
+  tags: ['fetlab_zfs', 'zfs']

roles/fetlab/tasks/zfs.yml

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+---
+- name : zfs - zfs_mount_settings.sh
+  copy: src=zfs_mount_settings.sh dest=/etc/ owner=root group=root mode=0755
+
+- name: zfs - set quota
+  zfs:
+    name: "{{ item.name }}"
+    state: present
+    extra_zfs_properties:
+      quota: "{{ item.quota }}"
+  with_items:
+  - { name: lab/rec, quota: "2T" }
+
+- name: zfs - pool scrub cronjob for lab
+  cron:
+    name: zfs scrub lab
+    minute: 5
+    hour: 2
+    weekday: 1
+    job: "/sbin/zpool scrub lab"