mirror of https://github.com/ceph/ceph-ansible.git
Add Ceph Playbook
Initial commit. Signed-off-by: Sébastien Han <sebastien.han@enovance.com>pull/1/head
Sébastien Han
parent
3940a3bd6b
commit
a984854956
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127
README.md
127
README.md
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@ -1,4 +1,129 @@
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ceph-ansible
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============
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Ansible playbooks for Ceph
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Ansible playbook for Ceph!
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## What does it do?
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* Authentication (cephx), this can be disabled.
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* Supports cluster public and private network.
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* Monitors deployment. You can easily start with one monitor and then progressively add new nodes. So can deploy one monitor for testing purpose. For production, I recommend to a
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* Object Storage Daemons. Like the monitors you can start with a certain amount of nodes and then grow this number. The playbook either supports a dedicated device for storing th
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* Metadata daemons.
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* Collocation. The playbook supports collocating Monitors, OSDs and MDSs on the same machine.
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* The playbook was validated on both Debian Wheezy and Ubuntu 12.04 LTS.
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* Tested on Ceph Dumpling and Emperor.
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* A rolling upgrade playbook was written, an upgrade from Dumpling to Emperor was performed and worked.
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## Setup with Vagrant
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First modify the `rc` file we your home directory:
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export ANSIBLE_CONFIG=<whatever_path>/.ansible.cfg
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Do the same for the `.ansible.cfg` file:
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[defaults]
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host_key_checking = False
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remote_user = vagrant
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hostfile = <whatever_path>/hosts
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log_path = <whatever_path>/ansible.log
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ansible_managed = Ansible managed: modified on %Y-%m-%d %H:%M:%S by {uid}
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private_key_file = ~/.vagrant.d/insecure_private_key
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error_on_undefined_vars = False
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Edit your `/etc/hosts` file with:
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# Ansible hosts
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127.0.0.1 ceph-mon0
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127.0.0.1 ceph-mon1
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127.0.0.1 ceph-mon2
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127.0.0.1 ceph-osd0
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127.0.0.1 ceph-osd1
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127.0.0.1 ceph-osd2
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**Now since we use Vagrant and port forwarding, don't forget to grab the SSH local port of your VMs.**
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Then edit your `hosts` file accordingly.
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Ok let's get serious now.
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Run your virtual machines:
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```bash
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$ vagrant up
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...
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...
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...
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```
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Test if Ansible can access the virtual machines:
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```bash
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$ ansible all -m ping
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ceph-mon0 | success >> {
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"changed": false,
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"ping": "pong"
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}
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ceph-mon1 | success >> {
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"changed": false,
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"ping": "pong"
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}
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ceph-osd0 | success >> {
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"changed": false,
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"ping": "pong"
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}
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ceph-osd2 | success >> {
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"changed": false,
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"ping": "pong"
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}
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ceph-mon2 | success >> {
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"changed": false,
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"ping": "pong"
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}
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ceph-osd1 | success >> {
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"changed": false,
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"ping": "pong"
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}
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```
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Ready to deploy? Let's go!
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```bash
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$ ansible-playbook -f 6 -v site.yml
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...
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...
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____________
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< PLAY RECAP >
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------------
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\ ^__^
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\ (oo)\_______
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(__)\ )\/\
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||----w |
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|| ||
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ceph-mon0 : ok=13 changed=10 unreachable=0 failed=0
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ceph-mon1 : ok=13 changed=9 unreachable=0 failed=0
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ceph-mon2 : ok=13 changed=9 unreachable=0 failed=0
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ceph-osd0 : ok=19 changed=12 unreachable=0 failed=0
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ceph-osd1 : ok=19 changed=12 unreachable=0 failed=0
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ceph-osd2 : ok=19 changed=12 unreachable=0 failed=0
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```
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Check the status:
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```bash
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$ vagrant ssh mon0 -c "sudo ceph -s"
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cluster 4a158d27-f750-41d5-9e7f-26ce4c9d2d45
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health HEALTH_OK
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monmap e3: 3 mons at {ceph-mon0=192.168.0.10:6789/0,ceph-mon1=192.168.0.11:6789/0,ceph-mon2=192.168.0.12:6789/0}, election epoch 6, quorum 0,1,2 ceph-mon0,ceph-mon1,ceph-mon
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mdsmap e6: 1/1/1 up {0=ceph-osd0=up:active}, 2 up:standby
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osdmap e10: 6 osds: 6 up, 6 in
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pgmap v17: 192 pgs, 3 pools, 9470 bytes data, 21 objects
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205 MB used, 29728 MB / 29933 MB avail
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192 active+clean
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@ -0,0 +1,31 @@
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# -*- mode: ruby -*-
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# vi: set ft=ruby :
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# Vagrantfile API/syntax version. Don't touch unless you know what you're doing!
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VAGRANTFILE_API_VERSION = "2"
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Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
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config.vm.box = "precise64"
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config.vm.box_url = "http://files.vagrantup.com/precise64.box"
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(0..2).each do |i|
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config.vm.define "mon#{i}" do |mon|
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mon.vm.hostname = "ceph-mon#{i}"
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mon.vm.network :private_network, ip: "192.168.0.1#{i}"
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end
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end
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(0..2).each do |i|
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config.vm.define "osd#{i}" do |osd|
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osd.vm.hostname = "ceph-osd#{i}"
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osd.vm.network :private_network, ip: "192.168.0.10#{i}"
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||||
osd.vm.network :private_network, ip: "192.168.0.20#{i}"
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||||
(0..2).each do |d|
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osd.vm.provider :virtualbox do |vb|
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||||
vb.customize [ "createhd", "--filename", "disk-#{i}-#{d}", "--size", "5000" ]
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||||
vb.customize [ "storageattach", :id, "--storagectl", "SATA Controller", "--port", 3+d, "--device", 0, "--type", "hdd", "--medium", "disk-#{i}-#{d}.vdi" ]
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
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@ -0,0 +1,20 @@
|
|||
---
|
||||
# Variables here are applicable to all host groups NOT roles
|
||||
|
||||
# Setup options
|
||||
distro_release: "{{ facter_lsbdistcodename }}"
|
||||
apt_key: https://ceph.com/git/?p=ceph.git;a=blob_plain;f=keys/release.asc
|
||||
ceph_release: emperor
|
||||
|
||||
# Ceph options
|
||||
cephx: true
|
||||
fsid: 4a158d27-f750-41d5-9e7f-26ce4c9d2d45
|
||||
|
||||
# OSD options
|
||||
journal_size: 100
|
||||
pool_default_pg_num: 128
|
||||
pool_default_pgp_num: 128
|
||||
pool_default_size: 2
|
||||
cluster_network: 192.168.0.0/24
|
||||
public_network: 192.168.0.0/24
|
||||
osd_mkfs_type: xfs
|
||||
|
|
@ -0,0 +1,5 @@
|
|||
---
|
||||
# Variables here are applicable to all host groups NOT roles
|
||||
|
||||
# Monitor options
|
||||
monitor_secret: AQD7kyJQQGoOBhAAqrPAqSopSwPrrfMMomzVdw==
|
||||
|
|
@ -0,0 +1,14 @@
|
|||
---
|
||||
# Variables here are applicable to all host groups NOT roles
|
||||
#
|
||||
|
||||
# Devices to be used as OSDs
|
||||
devices:
|
||||
- /dev/sdc
|
||||
- /dev/sdd
|
||||
|
||||
# Use 'None' to undefined the variable.
|
||||
# Using 'None' will colocate both journal and data on the same disk
|
||||
# creating a partition at the beginning of the device
|
||||
#
|
||||
journal_device: /dev/sdb
|
||||
|
|
@ -0,0 +1,33 @@
|
|||
#
|
||||
## If you use Vagrant and port forwarding, don't forget to grab the SSH local port of your VMs.
|
||||
#
|
||||
|
||||
## Common setup example
|
||||
#
|
||||
[mons]
|
||||
ceph-mon0:2222
|
||||
ceph-mon1:2200
|
||||
ceph-mon2:2201
|
||||
[osds]
|
||||
ceph-osd0:2202
|
||||
ceph-osd1:2203
|
||||
ceph-osd2:2204
|
||||
[mdss]
|
||||
ceph-osd0:2202
|
||||
ceph-osd1:2203
|
||||
ceph-osd2:2204
|
||||
|
||||
|
||||
# Colocation setup example
|
||||
#[mons]
|
||||
#ceph-osd0:2222
|
||||
#ceph-osd1:2200
|
||||
#ceph-osd2:2201
|
||||
#[osds]
|
||||
#ceph-osd0:2222
|
||||
#ceph-osd1:2200
|
||||
#ceph-osd2:2201
|
||||
#[mdss]
|
||||
#ceph-osd0:2222
|
||||
#ceph-osd1:2200
|
||||
#ceph-osd2:2201
|
||||
|
|
@ -0,0 +1,4 @@
|
|||
---
|
||||
|
||||
- name: "update apt cache"
|
||||
action: apt update-cache=yes
|
||||
|
|
@ -0,0 +1,28 @@
|
|||
---
|
||||
## Common to all the ceph nodes
|
||||
#
|
||||
|
||||
- name: Install dependancies
|
||||
apt: pkg={{ item }} state=installed update_cache=yes # we update the cache just in case...
|
||||
with_items:
|
||||
- python-pycurl
|
||||
- ntp
|
||||
|
||||
- name: Install the ceph key
|
||||
apt_key: url={{ apt_key }} state=present
|
||||
|
||||
- name: Add ceph repository
|
||||
apt_repository: repo='deb http://ceph.com/debian-{{ ceph_release }}/ {{ ansible_lsb.codename }} main' state=present
|
||||
|
||||
- name: Install ceph
|
||||
apt: pkg={{ item }} state=latest
|
||||
with_items:
|
||||
- ceph
|
||||
- ceph-common #|
|
||||
- ceph-fs-common #|--> yes, they are already all dependancies from 'ceph'
|
||||
- ceph-fuse #|--> however while proceding to rolling upgrades and the 'ceph' package upgrade
|
||||
- ceph-mds #|--> they don't get update so we need to force them
|
||||
- libcephfs1 #|
|
||||
|
||||
- name: Generate ceph configuration file
|
||||
template: src=roles/common/templates/ceph.conf.j2 dest=/etc/ceph/ceph.conf owner=root group=root mode=0644
|
||||
|
|
@ -0,0 +1,58 @@
|
|||
# {{ ansible_managed }}
|
||||
|
||||
[global]
|
||||
{% if cephx %}
|
||||
auth cluster required = cephx
|
||||
auth service required = cephx
|
||||
auth client required = cephx
|
||||
{% else %}
|
||||
auth cluster required = none
|
||||
auth service required = none
|
||||
auth client required = none
|
||||
auth supported = none
|
||||
{% endif %}
|
||||
fsid = {{ fsid }}
|
||||
mon_initial_members = {{ hostvars[groups['mons'][0]]['ansible_hostname'] }}
|
||||
{% if pool_default_pg_num is defined %}
|
||||
osd pool default pg num = {{ pool_default_pg_num }}
|
||||
{% endif %}
|
||||
{% if pool_default_pgp_num is defined %}
|
||||
osd pool default pgp num = {{ pool_default_pgp_num }}
|
||||
{% endif %}
|
||||
{% if pool_default_size is defined %}
|
||||
osd pool default size = {{ pool_default_size }}
|
||||
{% endif %}
|
||||
{% if pool_default_min_size is defined %}
|
||||
osd pool default min size = {{ pool_default_min_size }}
|
||||
{% endif %}
|
||||
{% if pool_default_crush_rule is defined %}
|
||||
osd pool default crush rule = {{ pool_default_crush_rule }}
|
||||
{% endif %}
|
||||
|
||||
[mon]
|
||||
{% for host in groups['mons'] %}
|
||||
[mon.{{ hostvars[host]['ansible_hostname'] }}]
|
||||
host = {{ hostvars[host]['ansible_hostname'] }}
|
||||
mon addr = {{ hostvars[host]['ansible_eth1']['ipv4']['address'] }}
|
||||
{% endfor %}
|
||||
|
||||
[osd]
|
||||
{% if osd_mkfs_type is defined %}
|
||||
osd mkfs type = {{ osd_mkfs_type }}
|
||||
{% endif %}
|
||||
{% if osd_mkfs_type == "ext4" %}
|
||||
filestore xattr use omap = true
|
||||
{% endif %}
|
||||
osd journal size = {{ journal_size }}
|
||||
{% if cluster_network is defined %}
|
||||
cluster_network = {{ cluster_network }}
|
||||
{% endif %}
|
||||
{% if public_network is defined %}
|
||||
public_network = {{ public_network }}
|
||||
{% endif %}
|
||||
|
||||
[mds]
|
||||
{% for host in groups['mdss'] %}
|
||||
[mds.{{ hostvars[host]['ansible_hostname'] }}]
|
||||
host = {{ hostvars[host]['ansible_hostname'] }}
|
||||
{% endfor %}
|
||||
|
|
@ -0,0 +1,27 @@
|
|||
---
|
||||
## Deploy Ceph metadata server(s)
|
||||
#
|
||||
|
||||
- name: Copy MDS bootstrap key
|
||||
copy: src=fetch/{{ hostvars[groups['mons'][0]]['ansible_hostname'] }}/var/lib/ceph/bootstrap-mds/ceph.keyring dest=/var/lib/ceph/bootstrap-mds/ceph.keyring owner=root group=root mode=600
|
||||
when: cephx
|
||||
|
||||
- name: Set MDS bootstrap key permissions
|
||||
file: path=/var/lib/ceph/bootstrap-mds/ceph.keyring mode=0600 owner=root group=root
|
||||
when: cephx
|
||||
|
||||
- name: Create MDS directory
|
||||
action: file path=/var/lib/ceph/mds/ceph-{{ ansible_hostname }} state=directory owner=root group=root mode=0644
|
||||
when: cephx
|
||||
|
||||
- name: Create MDS keyring
|
||||
command: ceph --cluster ceph --name client.bootstrap-mds --keyring /var/lib/ceph/bootstrap-mds/ceph.keyring auth get-or-create mds.{{ ansible_hostname }} osd 'allow rwx' mds 'allow' mon 'allow profile mds' -o /var/lib/ceph/mds/ceph-{{ ansible_hostname }}/keyring creates=/var/lib/ceph/mds/ceph-{{ ansible_hostname }}/keyring
|
||||
when: cephx
|
||||
changed_when: False
|
||||
|
||||
- name: Set MDS key permissions
|
||||
file: path=/var/lib/ceph/mds/ceph-{{ ansible_hostname }}/keyring mode=0600 owner=root group=root
|
||||
when: cephx
|
||||
|
||||
- name: Start and add that the MDS service to the init sequence
|
||||
service: name=ceph state=started enabled=yes args=mds
|
||||
|
|
@ -0,0 +1,36 @@
|
|||
---
|
||||
## Deploy Ceph monitor(s)
|
||||
#
|
||||
|
||||
- name: Create monitor initial keyring
|
||||
command: ceph-authtool /var/lib/ceph/tmp/keyring.mon.{{ ansible_hostname }} --create-keyring --name=mon. --add-key={{ monitor_secret }} --cap mon 'allow *' creates=/var/lib/ceph/tmp/keyring.mon.{{ ansible_hostname }}
|
||||
|
||||
- name: Set initial monitor key permissions
|
||||
file: path=/var/lib/ceph/tmp/keyring.mon.{{ ansible_hostname }} mode=0600 owner=root group=root
|
||||
|
||||
- name: Create monitor directory
|
||||
action: file path=/var/lib/ceph/mon/ceph-{{ ansible_hostname }} state=directory owner=root group=root mode=0644
|
||||
|
||||
- name: Ceph monitor mkfs
|
||||
command: ceph-mon --mkfs -i {{ ansible_hostname }} --keyring /var/lib/ceph/tmp/keyring.mon.{{ ansible_hostname }} creates=/var/lib/ceph/mon/ceph-{{ ansible_hostname }}/keyring
|
||||
|
||||
- name: Start and add that the monitor service to the init sequence
|
||||
service: name=ceph state=started enabled=yes args=mon
|
||||
|
||||
# Wait for mon discovery and quorum resolution
|
||||
# the admin key is not instantanely created so we have to wait a bit
|
||||
#
|
||||
|
||||
- name: If client.admin key exists
|
||||
command: stat /etc/ceph/ceph.client.admin.keyring
|
||||
register: result
|
||||
until: result.rc == 0
|
||||
changed_when: False
|
||||
|
||||
- name: Copy keys to the ansible server
|
||||
fetch: src={{ item }} dest=fetch/
|
||||
when: ansible_hostname == hostvars[groups['mons'][0]]['ansible_hostname'] and cephx
|
||||
with_items:
|
||||
- /etc/ceph/ceph.client.admin.keyring # just in case another application needs it
|
||||
- /var/lib/ceph/bootstrap-osd/ceph.keyring # this handles the non-colocation case
|
||||
- /var/lib/ceph/bootstrap-mds/ceph.keyring
|
||||
|
|
@ -0,0 +1,63 @@
|
|||
---
|
||||
## Deploy Ceph Oject Storage Daemon(s)
|
||||
#
|
||||
|
||||
- name: Install dependancies
|
||||
apt: pkg=parted state=present
|
||||
|
||||
- name: Copy OSD bootstrap key
|
||||
copy: src=fetch/{{ hostvars[groups['mons'][0]]['ansible_hostname'] }}/var/lib/ceph/bootstrap-osd/ceph.keyring dest=/var/lib/ceph/bootstrap-osd/ceph.keyring owner=root group=root mode=600
|
||||
when: cephx
|
||||
|
||||
- name: Set OSD bootstrap key permissions
|
||||
file: path=/var/lib/ceph/bootstrap-osd/ceph.keyring mode=0600 owner=root group=root
|
||||
when: cephx
|
||||
|
||||
# NOTE (leseb): current behavior of ceph-disk is to fail when the device is mounted "stderr: ceph-disk: Error: Device is mounted: /dev/sdb1"
|
||||
# the return code is 1, which makes sense, however ideally if ceph-disk will detect a ceph partition
|
||||
# it should exist we rc=0 and don't do anything unless we do something like --force
|
||||
# As as a final word, I prefer to keep the partition check instead of running ceph-disk prepare with "ignore_errors: True"
|
||||
# I believe it's safer
|
||||
#
|
||||
|
||||
- name: If partition named 'ceph' exists
|
||||
shell: parted {{ item }} print | egrep -sq '^ 1.*ceph'
|
||||
ignore_errors: True
|
||||
with_items: devices
|
||||
register: parted
|
||||
changed_when: False
|
||||
|
||||
# Prepare means
|
||||
# - create GPT partition
|
||||
# - mark the partition with the ceph type uuid
|
||||
# - create a file system
|
||||
# - mark the fs as ready for ceph consumption
|
||||
# - entire data disk is used (one big partition)
|
||||
# - a new partition is added to the journal disk (so it can be easily shared)
|
||||
#
|
||||
|
||||
# NOTE (leseb): the prepare process must be parallelized somehow...
|
||||
# if you have 64 disks with 4TB each, this will take a while
|
||||
# since Ansible will sequential process the loop
|
||||
|
||||
- name: Prepare OSD disk(s)
|
||||
command: ceph-disk prepare {{ item.1 }} {{ journal_device }}
|
||||
when: item.0.rc != 0
|
||||
with_together:
|
||||
- parted.results
|
||||
- devices
|
||||
|
||||
# Activate means:
|
||||
# - mount the volume in a temp location
|
||||
# - allocate an osd id (if needed)
|
||||
# - remount in the correct location /var/lib/ceph/osd/$cluster-$id
|
||||
# - start ceph-osd
|
||||
#
|
||||
|
||||
- name: Activate OSD(s)
|
||||
command: ceph-disk activate {{ item }}1
|
||||
with_items: devices
|
||||
changed_when: False
|
||||
|
||||
- name: Start and add that the OSD service to the init sequence
|
||||
service: name=ceph state=started enabled=yes
|
||||
|
|
@ -0,0 +1,46 @@
|
|||
---
|
||||
# This playbook does a rolling update for all the Ceph services
|
||||
# Change the value of serial: to adjust the number of server to be updated.
|
||||
#
|
||||
# The four roles that apply to the ceph hosts will be applied: common,
|
||||
# mon, osd and mds. So any changes to configuration, package updates, etc,
|
||||
# will be applied as part of the rolling update process.
|
||||
#
|
||||
|
||||
# /!\ DO NOT FORGET TO CHANGE THE RELEASE VERSION FIRST! /!\
|
||||
|
||||
- hosts: all
|
||||
sudo: True
|
||||
roles:
|
||||
- common
|
||||
|
||||
- hosts: mons
|
||||
serial: 1
|
||||
sudo: True
|
||||
roles:
|
||||
- mon
|
||||
post_tasks:
|
||||
- name: restart monitor(s)
|
||||
service: name=ceph state=restarted args=mon
|
||||
|
||||
- hosts: osds
|
||||
serial: 1
|
||||
sudo: True
|
||||
roles:
|
||||
- osd
|
||||
post_tasks:
|
||||
- name: restart object storage daemon(s)
|
||||
command: service ceph-osd-all restart
|
||||
when: ansible_distribution == "Ubuntu"
|
||||
- name: restart object storage daemon(s)
|
||||
service: name=ceph state=restarted args=osd
|
||||
when: ansible_distribution == "Debian"
|
||||
|
||||
- hosts: mdss
|
||||
serial: 1
|
||||
sudo: True
|
||||
roles:
|
||||
- mds
|
||||
post_tasks:
|
||||
- name: restart metadata server(s)
|
||||
service: name=ceph state=restarted args=mds
|
||||
Loading…
Reference in New Issue