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authorJohn Wilkins <john.wilkins@inktank.com>2013-04-26 14:05:37 -0700
committerJohn Wilkins <john.wilkins@inktank.com>2013-04-26 14:05:37 -0700
commit9c0c4c176b0d5825c5e8feb19d5a20295512da95 (patch)
tree54c359de70e8151c9830979e0937f92e93dca4b7
parentc25144e89a83650725e728bb9d9e79157bdfa0aa (diff)
downloadceph-9c0c4c176b0d5825c5e8feb19d5a20295512da95.tar.gz
doc: Removed Chef section. Now appears in new Ceph wiki.
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
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-=====================
- Deploying with Chef
-=====================
-
-We use Chef cookbooks to deploy Ceph. See `Managing Cookbooks with Knife`_ for details
-on using ``knife``. For Chef installation instructions, see `Installing Chef`_.
-
-.. _clonecbs:
-
-Clone the Required Cookbooks
-============================
-
-To get the cookbooks for Ceph, clone them from git.::
-
- cd ~/chef-cookbooks
- git clone https://github.com/opscode-cookbooks/apache2.git
- git clone https://github.com/ceph/ceph-cookbooks.git ceph
-
-.. _addcbpaths:
-
-Add the Required Cookbook Paths
-===============================
-
-If you added a default cookbook path when you installed Chef, ``knife``
-may be able to upload the cookbook you've cloned to your cookbook path
-directory without further configuration. If you used a different path,
-or if the cookbook repository you cloned has a different tree structure,
-add the required cookbook path to your ``knife.rb`` file. The
-``cookbook_path`` setting takes a string or an array of strings.
-For example, you can replace a string path with an array of string paths::
-
- cookbook_path '/home/{user-name}/chef-cookbooks/'
-
-Becomes::
-
- cookbook_path [
- '/home/{user-name}/chef-cookbooks/',
- '/home/{user-name}/chef-cookbooks/{another-directory}/',
- '/some/other/path/to/cookbooks/'
- ]
-
-.. _installcbs:
-
-Install the Cookbooks
-=====================
-
-To install Ceph, you must upload the Ceph cookbooks and the Apache cookbooks
-(for use with RADOSGW) to your Chef server. ::
-
- knife cookbook upload apache2 ceph
-
-.. _configcephenv:
-
-Configure your Ceph Environment
-===============================
-
-The Chef server can support installation of software for multiple environments.
-The environment you create for Ceph requires an ``fsid``, the secret for
-your monitor(s) if you are running Ceph with ``cephx`` authentication, and
-the host name (i.e., short name) for your monitor hosts.
-
-.. tip:: Open an empty text file to hold the following values until you create
- your Ceph environment.
-
-For the filesystem ID, use ``uuidgen`` from the ``uuid-runtime`` package to
-generate a unique identifier. ::
-
- uuidgen -r
-
-For the monitor(s) secret(s), use ``ceph-authtool`` to generate the secret(s)::
-
- sudo apt-get update
- sudo apt-get install ceph-common
- ceph-authtool /dev/stdout --name=mon. --gen-key
-
-The secret is the value to the right of ``"key ="``, and should look something
-like this::
-
- AQBAMuJPINJgFhAAziXIrLvTvAz4PRo5IK/Log==
-
-To create an environment for Ceph, set a command line editor. For example::
-
- export EDITOR=vim
-
-Then, use ``knife`` to create an environment. ::
-
- knife environment create {env-name}
-
-For example::
-
- knife environment create Ceph
-
-A JSON file will appear. Perform the following steps:
-
-#. Enter a description for the environment.
-#. In ``"default_attributes": {}``, add ``"ceph" : {}``.
-#. Within ``"ceph" : {}``, add ``"monitor-secret":``.
-#. Immediately following ``"monitor-secret":`` add the key you generated within quotes, followed by a comma.
-#. Within ``"ceph":{}`` and following the ``monitor-secret`` key-value pair, add ``"config": {}``
-#. Within ``"config": {}`` add ``"fsid":``.
-#. Immediately following ``"fsid":``, add the unique identifier you generated within quotes, followed by a comma.
-#. Within ``"config": {}`` and following the ``fsid`` key-value pair, add ``"mon_initial_members":``
-#. Immediately following ``"mon_initial_members":``, enter the initial monitor host names.
-
-You may also set Ceph settings within ``"config": {}``.
-
-For example::
-
- "default_attributes" : {
- "ceph": {
- "monitor-secret": "{replace-with-generated-secret}",
- "config": {
- "fsid": "{replace-with-generated-uuid}",
- "mon_initial_members": "{replace-with-monitor-hostname(s)}",
- "global": {
- "public network": "xxx.xxx.xxx.xxx/yy",
- "cluster network": "xxx.xxx.xxx.xxx/yy"
- },
- "osd": {
- "osd journal size": "1000"
- }
- }
- }
- }
-
-Will generate the following ceph.conf::
-
- [global]
- fsid = <fsid>
- mon initial members = X,Y,Z
- mon host = ipX:port, ipY:port, ipZ:port ;mon host is auto generated
- public network = xxx.xxx.xxx.xxx/yy
- cluster network = xxx.xxx.xxx.xxx/yy
-
- [osd]
- osd journal size = 1000
-
-Advanced users (i.e., developers and QA) may also add ``"branch": "{branch}"``
-to ``"ceph": {}``. Valid values are ``stable``, ``testing``, ``dev``.
-You can specify which stable release (e.g. argonaut, bobtail) or which dev
-branch to use with ``"version": "{version}"`` within ``"ceph": {}``.
-If ``version`` is not specified for ``stable``, the latest stable release
-will be used. ``testing`` does not require ``version``.
-
-.. configroles:
-
-Configure the Roles
-===================
-
-Navigate to the Ceph cookbooks directory. ::
-
- cd ~/chef-cookbooks/ceph
-
-Create roles for OSDs, monitors, metadata servers, and RADOS Gateways from
-their respective role files. ::
-
- knife role from file roles/ceph-osd.rb
- knife role from file roles/ceph-mon.rb
- knife role from file roles/ceph-mds.rb
- knife role from file roles/ceph-radosgw.rb
-
-.. _confignodes:
-
-Configure Nodes
-===============
-
-You must configure each node you intend to include in your Ceph cluster.
-Identify nodes for your Ceph cluster. ::
-
- knife node list
-
-.. note:: for each host where you installed Chef and executed ``chef-client``,
- the Chef server should have a minimal node configuration. You can create
- additional nodes with ``knife node create {node-name}``.
-
-For each node you intend to use in your Ceph cluster, configure the node
-as follows::
-
- knife node edit {node-name}
-
-The node configuration should appear in your text editor. Change the
-``chef_environment`` value to ``Ceph`` (or whatever name you set for your
-Ceph environment).
-
-In the ``run_list``, add ``"recipe[ceph::repo]",`` to all nodes as
-the first setting, so that Chef can install or update the necessary packages.
-Then, add at least one of::
-
- "role[ceph-mon]"
- "role[ceph-osd]"
- "role[ceph-mds]"
- "role[ceph-radosgw]"
-
-If you add more than one role, separate them with a comma. Run ``hostname``
-on your command line, and replace the ``{hostname}`` setting of the ``name``
-key to the host name for the node. ::
-
- {
- "chef_environment": "Ceph",
- "name": "{hostname}",
- "normal": {
- "tags": [
-
- ]
- },
- "run_list": [
- "recipe[ceph::repo]",
- "role[ceph-mon]",
- "role[ceph-mds]"
- ]
- }
-
-.. _deployosds:
-
-Deploy OSDs
-=================
-
-Configuring a node with an OSD role tells Chef that the node will run at
-least one OSD. However, you may run many OSDs on one host. For example,
-you may run one ``ceph-osd`` daemon for each data disk on the system.
-To tell Chef to deploy OSDs, edit the node and add the following
-within ``"normal": {}``::
-
- "ceph": {
- "osd_devices": [
- {
- "device": "/dev/...",
- "journal": "/dev/..."
- },
- {
- "device": "/dev/...",
- "dmcrypt": true
- }
- ]
- }
-
-Supported values are ``device``, ``journal``, ``dmcrypt`` (deactivated by default).
-
-.. note:: dmcrypt is only supported starting with Cuttlefish
-
-.. _runchefclient:
-
-Run ``chef-client`` on each Node
-================================
-
-Once you have completed the preceding steps, you must run ``chef-client``
-on each node. For example::
-
- sudo chef-client
-
-.. _proceedtoops:
-
-Proceed to Operating the Cluster
-================================
-
-Once you complete the deployment, you may begin operating your cluster.
-See `Operating a Cluster`_ for details.
-
-
-.. _Managing Cookbooks with Knife: http://wiki.opscode.com/display/chef/Managing+Cookbooks+With+Knife
-.. _Installing Chef: ../../deployment/chef
-.. _Operating a Cluster: ../../operations/