zfs node work in prep for open-ebs zfs

ansible/inventory/group_vars/all.yaml

@@ -6,3 +6,33 @@ ansible_connection: ssh
 ansible_become_method: sudo
 ansible_become_user: root
 ansible_port: 22
+zfs_packages:
+  - zfs-utils
+  - zfs-dkms
+  - mbuffer
+  - smartmontools
+  - linux-lts-headers
+zfs_key_id: DDF7DB817396A49B2A2723F7403BD972F75D9D76
+zfs_pools:
+  - name: ssd
+    ashift: 13
+    type: ""
+    disks: /dev/vde
+    datasets:
+      - name: ssd
+        encrypt: false
+      - name: ssd/data
+        encrypt: false
+      - name: ssd/data/open-ebs
+        encrypt: false
+  # - name: hdd
+  #   ashift: 12
+  #   type: mirror
+  #   disks: /dev/sda /dev/sdb
+  #   datasets:
+  #     - name: hdd
+  #       encrypt: false
+  #     - name: hdd/data
+  #       encrypt: true
+  #     - name: hdd/data/open-ebs
+  #       encrypt: false

ansible/roles/zfs_repo_install/defaults/main.yml

@@ -0,0 +1,15 @@
+---
+aur_zfs_key_fingerprint: '4F3BA9AB6D1F8D683DC2DFB56AD860EED4598027'
+zfs_prereq_packages:
+  - gnupg
+  - linux-lts-headers
+
+zfs_arc_min: '1073741824' 
+zfs_arc_max: '4294967296'
+zfs_zpool_ashift: '12'
+zfs_zpool_name: ssd
+zfs_zpool_compression: lz4
+zfs_zpool_type: mirror
+zfs_zpool_disk_a: /dev/disk/by-id/ata-Samsung_SSD_850_PRO_2TB_S3D4NX0J503633V
+zfs_zpool_disk_b: /dev/disk/by-id/ata-Samsung_SSD_850_PRO_2TB_S3D4NX0J708201E
+zfs_backup_dataset: ssd/backup

ansible/roles/zfs_repo_install/files/zfs-recv_authorized_keys

@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIE+6ruP8XcCD3nWS9z0hp+Hnf6pxoL1nF4I0L9g9/3Sr zfs-recv@lab.balsillie.net

ansible/roles/zfs_repo_install/tasks/main.yml

@@ -0,0 +1,147 @@
+---
+
+- name: check if zfs kernel module exists
+  ansible.builtin.stat:
+    path: /lib/modules/{{ ansible_kernel }}/updates/dkms/zfs.ko.zst
+  register: zfs_module
+
+- name: zfs install block
+  when: not zfs_module.stat.exists
+  block:
+
+  - name: add zfs repo to pacman.conf
+    ansible.builtin.blockinfile:
+      path: /etc/pacman.conf
+      state: present
+      insertafter: "EOF"
+      block: |
+        [archzfs]
+        Server = http://mirror.sum7.eu/archlinux/archzfs/$repo/x86_64
+        Server = https://mirror.biocrafting.net/archlinux/archzfs/$repo/x86_64
+
+  - name: download archzfs repo key
+    ansible.builtin.uri:
+      dest: "/tmp/{{ zfs_key_id }}"
+      url: https://archzfs.com/archzfs.gpg
+    creates: "/tmp/{{ zfs_key_id }}"
+
+  - name: install and lsign zfs key
+    ansible.builtin.shell:
+      cmd: "{{ item }}"
+    with_items: 
+      - pacman-key --add /tmp/{{ zfs_key_id }}
+      - pacman-key --lsign-key {{ zfs_key_id }}
+
+  - name: update system
+    community.general.pacman:
+      upgrade: true
+      update_cache: true
+
+  - name: install zfs dkms module
+    community.general.pacman:
+      name: "{{ zfs_packages }}"
+      state: latest
+
+  - name: set zfs module parameters
+    ansible.builtin.template:
+      src: zfs.conf.j2
+      dest: /etc/modprobe.d/zfs.conf
+      owner: root
+      group: root
+      mode: 0664
+
+  - name: load zfs module
+    community.general.modprobe:
+      name: zfs
+      state: present
+
+  - name: enable zfs services
+    become: true
+    ansible.builtin.service:
+      name: "{{ item }}"
+      state: started
+      enabled: yes
+    loop:
+      - zfs-import-cache.service
+      - zfs-mount.service
+      - zfs.target
+
+  - name: reboot system
+    ansible.builtin.reboot:
+      post_reboot_delay: 90
+
+- name: gather existing zpool facts
+  community.general.zpool_facts: 
+
+# - name: create zpool list
+#   ansible.builtin.set_fact:
+#     zpool_list: []
+
+# - name: add zpools to list
+#   ansible.builtin.set_fact:
+#     zpool_list: "{{ zpool_list + [item.name] }}"
+#   with_items:
+#     "{{ ansible_zfs_pools }}"
+
+- name: create zpools
+  ansible.builtin.shell:
+    cmd: |
+      zpool create \
+        -o ashift={{ item.ashift }} \
+        -o autotrim=on \
+        -o cachefile=/etc/zfs/zpool.cache \
+        -O acltype=posixacl \
+        -O atime=off \
+        -O xattr=sa \
+        -O mountpoint=none \
+        -O canmount=off \
+        -O devices=off \
+        -O compression={{ item.compression }} \
+        {{ item.name }} {{ item.type }} {{ item.disks }} 
+  when: item.name not in ( ansible_zfs_pools | selectattr("name") | list )
+  with_items:
+    "{{ zfs_pools }}"
+
+- name: gather existing zfs dataset facts
+  community.general.zfs_facts:
+    name: "{{ item.name }}"
+    recurse: true
+    type: filesystem
+  with_items:
+    "{{ zfs_pools }}"
+
+- name: create zfs datasets
+  loop: "{{ zfs_pools | subelements('datasets') }}"
+  community.general.zfs:
+    name: "{{ item.1.name }}"
+    state: present
+    extra_zfs_properties:
+      canmount: off
+      mountpoint: none
+      primarycache: none
+      secondarycache: none
+      reservation: none
+      refreservation: none
+      dedup: off
+      encryption: off
+      volmode: dev
+      devices: off
+      atime: off
+  when: item.1.name not in ( ansible_zfs_datasets | selectattr("name") | list )
+  
+
+
+
+# Adjust offset from 1H to 1D in zfs-scrub-monthly@{{ zfs-pool }}.timer
+
+# TODO enable/start zfs-scrub-monthly@{{ zfs-pool }}.timer
+
+# TODO configure /etc/zfs/zed.d/zed.rc
+
+# TODO enable/start zfs-zed.service
+
+# TODO possible configure /etc/conf.d/smartdargs
+
+# TODO configure /etc/smartd.conf
+
+# TODO enable/start smartd.service

ansible/roles/zfs_repo_install/templates/key-params.j2

@@ -0,0 +1,8 @@
+Key-Type: 1
+Key-Length: 3072
+Subkey-Type: 1
+Subkey-Length: 3072
+Name-Real: Local Administrator
+Name-Email: root@{{ ansible_host }}
+Expire-Date: 0
+%no-protection

ansible/roles/zfs_repo_install/templates/smartd.conf.j2

@@ -0,0 +1 @@
+DEVICESCAN -a -o on -S on -s (S/../.././03|L/../01/./04) -W 4,45,60 -m notificationrecipient@emailprovider.com -M exec /usr/local/bin/smartdnotify.sh

ansible/roles/zfs_repo_install/templates/smartdnotify.sh.j2

@@ -0,0 +1,27 @@
+#! /bin/bash
+
+# Create a file to store the message in. Give it a unique filename to avoid issues if this script runs twice simultaneously
+msgFile="/root/$(uuidgen).txt"
+
+# Clear file, set subject line and formatting
+echo "Subject: $SMARTD_SUBJECT" > $msgFile
+echo "Content-Type: text/html" >> $msgFile
+echo "<html>" >> $msgFile
+echo "<style type=\"text/css\">pre { font-family:monospace }</style>" >> $msgFile
+echo "<body>" >> $msgFile
+echo "<pre>" >> $msgFile
+
+# Save the email message from STDIN:
+cat >> $msgFile
+
+# Append the output of zpool status:
+/usr/sbin/zpool status >> $msgFile
+
+# Append the output of smartctl -a to the message:
+/usr/sbin/smartctl -a "$SMARTD_DEVICE" >> $msgFile
+
+# Close HTML tags
+echo "</pre></body></html>" >> $msgFile
+
+# Now email the message to the user at address ADD:
+/bin/msmtp "$SMARTD_ADDRESS" < $msgFile

ansible/roles/zfs_repo_install/templates/zfs.conf.j2

@@ -0,0 +1,2 @@
+options zfs zfs_arc_min={{ zfs_arc_min }}
+options zfs zfs_arc_max={{ zfs_arc_max }}

notes/2023-01-09_ebs-zfs.txt

@@ -0,0 +1,16 @@
+created a zfs zvol on hv00 ssd
+sudo zfs create -V 100G \
+    -o compression=off \
+    -o volblocksize=16k \
+    -o reservation=none \
+    -o refreservation=none \
+    -o primarycache=metadata \
+    -o secondarycache=none \
+    -o volmode=dev \
+    nvme/libvirt/vhds/data/kube0
+
+added zfs storage pool to libvirt
+add zvol as disk (vde)
+
+add zfs repo to kube01
+create zpool from vde