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LuisDuarte1LuisDuarte1
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feat: add zfs ansible scripts
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+140
-3
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4 files changed

+140
-3
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‎ansible-inventory.example.ini‎

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# if you wish, you can specify an alias for a node, or you can just specify
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# the ip address as shown below:
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# you need to always define the ansible_ssh_host and ansible_ssh_private_key because they will be changed automatically
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# you need to always define the ansible_ssh_host and ansible_ssh_private_key_file because they will be changed automatically
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# you maybe to need to define the external interface (that will be given to the router, alongside the whole PCI device).
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#node1 ansible_ssh_host=10.0.0.2 ansible_ssh_private_key=/path/to/private_key
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#node1 ansible_ssh_host=10.0.0.2 ansible_ssh_private_key=/path/to/private_key external_interface=enp1f0
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#node1 ansible_ssh_host=10.0.0.2 ansible_ssh_private_key_file=/path/to/private_key
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#node1 ansible_ssh_host=10.0.0.2 ansible_ssh_private_key_file=/path/to/private_key external_interface=enp1f0
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#any node can be used to setup zfs pools
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#node2 ansible_ssh_host=192.168.121.184 ansible_user=ni ansible_ssh_private_key_file=node/bootstrap_key storage=true
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[workers]

‎maintenance/update-all-playbook-no-restart.yaml‎

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---
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- name: Update all nodes
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hosts: nodes
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become: true
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tasks:
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- name: Update nodes using DNF # noqa: package-latest
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ansible.builtin.dnf:
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name: "*"
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update_cache: true
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update_only: true
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state: latest
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- name: Update all routers
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hosts: routers
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become: true
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tasks:
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- name: Update nodes using APT
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ansible.builtin.apt:
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name: "*"
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update_cache: true
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only_upgrade: true
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state: latest

‎node/add-zfs-to-storage-node.yaml‎

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---
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- name: Add zfs to storage nodes
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hosts: all
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become: true
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vars:
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zfs_pool_name: "niployments-hard-storage"
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zfs_pool_mountpoint: "/mnt/hard-storage"
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zfs_pool_state: present
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zfs_pool_mode: "raidz"
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tasks:
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- name: Only run play if storage is not enabled
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when: hostvars[inventory_hostname]['storage'] is defined and hostvars[inventory_hostname]['storage'] == "true"
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block:
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- name: Get stoarge definitions
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ansible.builtin.include_vars:
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file: storage-defs.json
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name: storage_definitions
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- name: Use storage definition for node
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ansible.builtin.set_fact:
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zfs_pool_devices: "{{ storage_definitions[inventory_hostname] }}"
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- name: Enable EPEL repository
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ansible.builtin.yum:
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name: epel-release
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state: present
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- name: Add ZFS GPG key
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ansible.builtin.rpm_key:
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state: present
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key: https://raw.githubusercontent.com/zfsonlinux/zfsonlinux.github.com/master/zfs-release/RPM-GPG-KEY-openzfs-key2
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- name: Install DKMS manually
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ansible.builtin.yum:
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name: dkms
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state: present
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- name: Install zfs repo
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ansible.builtin.yum:
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name: "https://zfsonlinux.org/epel/zfs-release-2-3.el9.noarch.rpm"
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state: present
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- name: Install ZFS
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ansible.builtin.dnf:
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name:
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- zfs
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- zfs-dkms
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- kernel-devel
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state: present
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- name: Install dkms modules
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ansible.builtin.command: dkms autoinstall
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changed_when: true
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- name: Load ZFS kernel module
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ansible.builtin.command: modprobe zfs
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changed_when: true
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ignore_errors: yes
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- name: Check ZFS pool existance
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command: zpool list -Ho name {{ zfs_pool_name }}
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register: result_pool_list
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ignore_errors: yes
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changed_when: false
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- name: Create ZFS pool
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command: >-
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zpool create
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{{ '-m ' + zfs_pool_mountpoint if zfs_pool_mountpoint else '' }}
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{{ zfs_pool_name }}
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{{ zfs_pool_mode if zfs_pool_mode else '' }}
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{{ zfs_pool_devices | join(' ') }}
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when:
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- zfs_pool_state | default('present') == 'present'
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- result_pool_list.rc == 1
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- name: Install NFS utilities
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dnf:
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name: nfs-utils
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state: present
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- name: Force nfs version 4
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ansible.builtin.lineinfile:
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path: /etc/nfsmount.conf
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regexp: "^# Nfsvers=4"
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line: "Nfsvers=4"
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- name: Enable and start the NFS server service
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ansible.builtin.systemd:
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name: nfs-server
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enabled: true
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state: started
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- name: Create export directory
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ansible.builtin.file:
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path: "{{ zfs_pool_mountpoint }}/shared_dir"
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state: directory
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mode: '0755'
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- name: Set SELinux context for the export directory
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ansible.builtin.command: chcon -t nfs_t {{ zfs_pool_mountpoint }}/shared_dir
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args:
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creates: /export/shared_dir
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- name: Configure NFS exports
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ansible.builtin.copy:
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dest: /etc/exports
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content: "{{ zfs_pool_mountpoint }}/shared_dir *(rw,sync,no_root_squash,no_subtree_check)\n"
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mode: 644
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- name: Export NFS shares
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ansible.builtin.command: exportfs -r
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changed_when: true

‎node/vars/storage-defs.json‎

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{
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"cluster2": [
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"/dev/disk/by-id/ata-ST2000DM008-2UB102_WFL7F5R8",
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"/dev/disk/by-id/ata-ST2000DM008-2UB102_WFL7F74S",
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"/dev/disk/by-id/ata-ST2000DM008-2UB102_WFL7HRE3"
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]
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}

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