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GlusterFS with external VMs, terraform/os included
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44
contrib/network-storage/glusterfs/roles/glusterfs/README.md
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contrib/network-storage/glusterfs/roles/glusterfs/README.md
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# Ansible Role: GlusterFS
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[](https://travis-ci.org/geerlingguy/ansible-role-glusterfs)
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Installs and configures GlusterFS on Linux.
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## Requirements
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For GlusterFS to connect between servers, TCP ports `24007`, `24008`, and `24009`/`49152`+ (that port, plus an additional incremented port for each additional server in the cluster; the latter if GlusterFS is version 3.4+), and TCP/UDP port `111` must be open. You can open these using whatever firewall you wish (this can easily be configured using the `geerlingguy.firewall` role).
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This role performs basic installation and setup of Gluster, but it does not configure or mount bricks (volumes), since that step is easier to do in a series of plays in your own playbook. Ansible 1.9+ includes the [`gluster_volume`](https://docs.ansible.com/gluster_volume_module.html) module to ease the management of Gluster volumes.
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## Role Variables
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Available variables are listed below, along with default values (see `defaults/main.yml`):
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glusterfs_default_release: ""
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You can specify a `default_release` for apt on Debian/Ubuntu by overriding this variable. This is helpful if you need a different package or version for the main GlusterFS packages (e.g. GlusterFS 3.5.x instead of 3.2.x with the `wheezy-backports` default release on Debian Wheezy).
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glusterfs_ppa_use: yes
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glusterfs_ppa_version: "3.5"
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For Ubuntu, specify whether to use the official Gluster PPA, and which version of the PPA to use. See Gluster's [Getting Started Guide](http://www.gluster.org/community/documentation/index.php/Getting_started_install) for more info.
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## Dependencies
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None.
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## Example Playbook
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- hosts: server
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roles:
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- geerlingguy.glusterfs
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For a real-world use example, read through [Simple GlusterFS Setup with Ansible](http://www.jeffgeerling.com/blog/simple-glusterfs-setup-ansible), a blog post by this role's author, which is included in Chapter 8 of [Ansible for DevOps](https://www.ansiblefordevops.com/).
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## License
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MIT / BSD
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## Author Information
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This role was created in 2015 by [Jeff Geerling](http://www.jeffgeerling.com/), author of [Ansible for DevOps](https://www.ansiblefordevops.com/).
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---
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# For Ubuntu.
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glusterfs_default_release: ""
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glusterfs_ppa_use: yes
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glusterfs_ppa_version: "3.8"
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# Gluster configuration.
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gluster_mount_dir: /mnt/gluster
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gluster_volume_node_mount_dir: /mnt/xfs-drive-gluster
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gluster_brick_dir: "{{ gluster_volume_node_mount_dir }}/brick"
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gluster_brick_name: gluster
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---
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dependencies: []
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galaxy_info:
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author: geerlingguy
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description: GlusterFS installation for Linux.
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company: "Midwestern Mac, LLC"
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license: "license (BSD, MIT)"
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min_ansible_version: 2.0
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platforms:
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- name: EL
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versions:
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- 6
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- 7
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- name: Ubuntu
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versions:
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- precise
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- trusty
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- xenial
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- name: Debian
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versions:
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- wheezy
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- jessie
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galaxy_tags:
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- system
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- networking
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- cloud
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- clustering
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- files
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- sharing
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---
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# This is meant for Ubuntu and RedHat installations, where apparently the glusterfs-client is not used from inside
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# hyperkube and needs to be installed as part of the system.
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# Setup/install tasks.
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- include: setup-RedHat.yml
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when: ansible_os_family == 'RedHat' and groups['gfs-cluster'] is defined
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- include: setup-Debian.yml
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when: ansible_os_family == 'Debian' and groups['gfs-cluster'] is defined
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- name: Ensure Gluster mount directories exist.
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file: "path={{ item }} state=directory mode=0775"
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with_items:
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- "{{ gluster_mount_dir }}"
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when: ansible_os_family in ["Debian","RedHat"] and groups['gfs-cluster'] is defined
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---
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- name: Add PPA for GlusterFS.
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apt_repository:
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repo: 'ppa:gluster/glusterfs-{{ glusterfs_ppa_version }}'
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state: present
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update_cache: yes
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register: glusterfs_ppa_added
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when: glusterfs_ppa_use
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- name: Ensure GlusterFS client will reinstall if the PPA was just added.
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apt:
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name: "{{ item }}"
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state: absent
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with_items:
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- glusterfs-client
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when: glusterfs_ppa_added.changed
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- name: Ensure GlusterFS client is installed.
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apt:
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name: "{{ item }}"
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state: installed
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default_release: "{{ glusterfs_default_release }}"
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with_items:
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- glusterfs-client
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---
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- name: Install Prerequisites
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yum: name={{ item }} state=present
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with_items:
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- "centos-release-gluster{{ glusterfs_default_release }}"
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- name: Install Packages
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yum: name={{ item }} state=present
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with_items:
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- glusterfs-client
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---
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# For Ubuntu.
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glusterfs_default_release: ""
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glusterfs_ppa_use: yes
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glusterfs_ppa_version: "3.8"
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# Gluster configuration.
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gluster_mount_dir: /mnt/gluster
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gluster_volume_node_mount_dir: /mnt/xfs-drive-gluster
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gluster_brick_dir: "{{ gluster_volume_node_mount_dir }}/brick"
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gluster_brick_name: gluster
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# Default device to mount for xfs formatting, terraform overrides this by setting the variable in the inventory.
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disk_volume_device_1: /dev/vdb
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---
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dependencies: []
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galaxy_info:
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author: geerlingguy
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description: GlusterFS installation for Linux.
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company: "Midwestern Mac, LLC"
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license: "license (BSD, MIT)"
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min_ansible_version: 2.0
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platforms:
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- name: EL
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versions:
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- 6
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- 7
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- name: Ubuntu
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versions:
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- precise
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- trusty
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- xenial
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- name: Debian
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versions:
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- wheezy
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- jessie
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galaxy_tags:
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- system
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- networking
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- cloud
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- clustering
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- files
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- sharing
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---
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# Include variables and define needed variables.
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- name: Include OS-specific variables.
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include_vars: "{{ ansible_os_family }}.yml"
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# Instal xfs package
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- name: install xfs Debian
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apt: name=xfsprogs state=present
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when: ansible_os_family == "Debian"
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- name: install xfs RedHat
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yum: name=xfsprogs state=present
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when: ansible_os_family == "RedHat"
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# Format external volumes in xfs
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- name: Format volumes in xfs
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filesystem: "fstype=xfs dev={{ disk_volume_device_1 }}"
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# Mount external volumes
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- name: mounting new xfs filesystem
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mount: "name={{ gluster_volume_node_mount_dir }} src={{ disk_volume_device_1 }} fstype=xfs state=mounted"
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# Setup/install tasks.
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- include: setup-RedHat.yml
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when: ansible_os_family == 'RedHat'
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- include: setup-Debian.yml
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when: ansible_os_family == 'Debian'
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- name: Ensure GlusterFS is started and enabled at boot.
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service: "name={{ glusterfs_daemon }} state=started enabled=yes"
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- name: Ensure Gluster brick and mount directories exist.
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file: "path={{ item }} state=directory mode=0775"
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with_items:
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- "{{ gluster_brick_dir }}"
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- "{{ gluster_mount_dir }}"
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- name: Configure Gluster volume.
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gluster_volume:
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state: present
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name: "{{ gluster_brick_name }}"
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brick: "{{ gluster_brick_dir }}"
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replicas: "{{ groups['gfs-cluster'] | length }}"
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cluster: "{% for item in groups['gfs-cluster'] -%}{{ hostvars[item]['ip']|default(hostvars[item].ansible_default_ipv4['address']) }}{% if not loop.last %},{% endif %}{%- endfor %}"
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host: "{{ inventory_hostname }}"
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force: yes
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run_once: true
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- name: Mount glusterfs to retrieve disk size
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mount:
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name: "{{ gluster_mount_dir }}"
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src: "{{ ip|default(ansible_default_ipv4['address']) }}:/gluster"
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fstype: glusterfs
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opts: "defaults,_netdev"
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state: mounted
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when: groups['gfs-cluster'] is defined and inventory_hostname == groups['gfs-cluster'][0]
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- name: Get Gluster disk size
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setup: filter=ansible_mounts
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register: mounts_data
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when: groups['gfs-cluster'] is defined and inventory_hostname == groups['gfs-cluster'][0]
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- name: Set Gluster disk size to variable
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set_fact:
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gluster_disk_size_gb: "{{ (mounts_data.ansible_facts.ansible_mounts | selectattr('mount', 'equalto', gluster_mount_dir) | map(attribute='size_total') | first | int / (1024*1024*1024)) | int }}"
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when: groups['gfs-cluster'] is defined and inventory_hostname == groups['gfs-cluster'][0]
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- name: Create file on GlusterFS
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template:
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dest: "{{ gluster_mount_dir }}/.test-file.txt"
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src: test-file.txt
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when: groups['gfs-cluster'] is defined and inventory_hostname == groups['gfs-cluster'][0]
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- name: Unmount glusterfs
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mount:
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name: "{{ gluster_mount_dir }}"
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fstype: glusterfs
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src: "{{ ip|default(ansible_default_ipv4['address']) }}:/gluster"
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state: unmounted
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when: groups['gfs-cluster'] is defined and inventory_hostname == groups['gfs-cluster'][0]
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---
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- name: Add PPA for GlusterFS.
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apt_repository:
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repo: 'ppa:gluster/glusterfs-{{ glusterfs_ppa_version }}'
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state: present
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update_cache: yes
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register: glusterfs_ppa_added
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when: glusterfs_ppa_use
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- name: Ensure GlusterFS will reinstall if the PPA was just added.
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apt:
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name: "{{ item }}"
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state: absent
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with_items:
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- glusterfs-server
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- glusterfs-client
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when: glusterfs_ppa_added.changed
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- name: Ensure GlusterFS is installed.
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apt:
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name: "{{ item }}"
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state: installed
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default_release: "{{ glusterfs_default_release }}"
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with_items:
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- glusterfs-server
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- glusterfs-client
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---
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- name: Install Prerequisites
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yum: name={{ item }} state=present
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with_items:
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- "centos-release-gluster{{ glusterfs_default_release }}"
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- name: Install Packages
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yum: name={{ item }} state=present
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with_items:
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- glusterfs-server
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- glusterfs-client
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@@ -0,0 +1 @@
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test file
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---
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- hosts: all
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roles:
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- role_under_test
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---
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glusterfs_daemon: glusterfs-server
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@@ -0,0 +1,2 @@
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---
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glusterfs_daemon: glusterd
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