[docs] Fix lint failures
This patch fixes: doc/source/contributor/testing.rst:281: D000 Explicit markup ends without a blank line; unexpected unindent. doc/source/user/test/example.rst:28: D001 Line too long doc/source/admin/maintenance-tasks.rst:8: D000 Title level inconsistent: doc/source/admin/maintenance-tasks.rst:22: D000 Title level inconsistent: doc/source/admin/troubleshooting.rst:630: D001 Line too long doc/source/admin/troubleshooting.rst:650: D001 Line too long doc/source/admin/maintenance-tasks/inventory-backups.rst:11: D001 Line too long For consistency between maintenance-tasks/ files, they now all have the same markup hierarchy. Depends-On: https://review.openstack.org/567804 Change-Id: Id1cf9cb45543daa7c39d5141d8dc5827a76c6413
This commit is contained in:
Jesse Pretorius
Jean-Philippe Evrard
parent
abc0c35b13
commit
52a11834ef
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@ -45,7 +45,7 @@ For more information, see `Inventory <http://docs.ansible.com/ansible/intro_inve
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and `Patterns <http://docs.ansible.com/ansible/intro_patterns.html>`_.
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Running the shell module
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~~~~~~~~~~~~~~~~~~~~~~~~
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------------------------
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The two most common modules used are the ``shell`` and ``copy`` modules. The
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``shell`` module takes the command name followed by a list of space delimited
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@ -78,7 +78,7 @@ For more information, see `shell - Execute commands in nodes
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<http://docs.ansible.com/ansible/shell_module.html>`_.
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Running the copy module
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~~~~~~~~~~~~~~~~~~~~~~~
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-----------------------
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The copy module copies a file on a local machine to remote locations. Use the
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fetch module to copy files from remote locations to the local machine. If you
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@ -126,7 +126,7 @@ from a single Compute host:
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-rw-r--r-- 1 root root 2428624 Dec 15 01:23 /tmp/aio1/var/log/nova/nova-compute.log
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Using tags
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~~~~~~~~~~
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----------
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Tags are similar to the limit flag for groups except tags are used to only run
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specific tasks within a playbook. For more information on tags, see
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@ -135,7 +135,7 @@ and `Understanding ansible tags
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<http://www.caphrim.net/ansible/2015/05/24/understanding-ansible-tags.html>`_.
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Ansible forks
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~~~~~~~~~~~~~
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-------------
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The default ``MaxSessions`` setting for the OpenSSH Daemon is 10. Each Ansible
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fork makes use of a session. By default, Ansible sets the number of forks to
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@ -10,7 +10,7 @@ adding new deployment groups. It is also possible to destroy containers
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if needed after changes and modifications are complete.
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Scale individual services
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~~~~~~~~~~~~~~~~~~~~~~~~~
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-------------------------
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Individual OpenStack services, and other open source project services,
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run within containers. It is possible to scale out these services by
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@ -63,7 +63,7 @@ modifying the ``/etc/openstack_deploy/openstack_user_config.yml`` file.
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$ openstack-ansible lxc-containers-create.yml rabbitmq-install.yml
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Destroy and recreate containers
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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-------------------------------
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Resolving some issues may require destroying a container, and rebuilding
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that container from the beginning. It is possible to destroy and
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@ -24,7 +24,7 @@ if you want to use a different port.
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configure your firewall.
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Finding ports for your external load balancer
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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---------------------------------------------
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As explained in the previous section, you can find (in each role
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documentation) the default variables used for the public
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@ -10,7 +10,7 @@ node, when the service is not running, or when changes are made to the
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``/etc/mysql/my.cnf`` configuration file.
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Verify cluster status
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~~~~~~~~~~~~~~~~~~~~~
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---------------------
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Compare the output of the following command with the following output.
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It should give you information about the status of your cluster.
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@ -42,7 +42,7 @@ processing SQL requests. When gracefully shutting down multiple nodes,
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perform the actions sequentially to retain operation.
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Start a cluster
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~~~~~~~~~~~~~~~
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---------------
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Gracefully shutting down all nodes destroys the cluster. Starting or
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restarting a cluster from zero nodes requires creating a new cluster on
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@ -147,7 +147,7 @@ one of the nodes.
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.. _galera-cluster-recovery:
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Galera cluster recovery
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~~~~~~~~~~~~~~~~~~~~~~~
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-----------------------
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Run the ``galera-install`` playbook using the ``galera-bootstrap`` tag
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to automatically recover a node or an entire environment.
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@ -161,7 +161,7 @@ to automatically recover a node or an entire environment.
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The cluster comes back online after completion of this command.
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Recover a single-node failure
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-----------------------------
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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If a single node fails, the other nodes maintain quorum and
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continue to process SQL requests.
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@ -202,7 +202,7 @@ continue to process SQL requests.
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for the node.
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Recover a multi-node failure
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----------------------------
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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When all but one node fails, the remaining node cannot achieve quorum and
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stops processing SQL requests. In this situation, failed nodes that
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@ -290,7 +290,7 @@ recover cannot join the cluster because it no longer exists.
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last resort, rebuild the container for the node.
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Recover a complete environment failure
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--------------------------------------
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Restore from backup if all of the nodes in a Galera cluster fail (do not
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shutdown gracefully). Change to the ``playbook`` directory and run the
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@ -332,7 +332,7 @@ restart the cluster using the ``--wsrep-new-cluster`` command on one
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node.
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Rebuild a container
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-------------------
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~~~~~~~~~~~~~~~~~~~
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Recovering from certain failures require rebuilding one or more containers.
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@ -1,41 +1,41 @@
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Prune Inventory Backup Archive
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==============================
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The inventory backup archive will require maintenance over a long enough period
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of time.
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The inventory backup archive will require maintenance over a long enough
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period of time.
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Bulk pruning
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------------
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It's possible to do mass pruning of the inventory backup. The following example will
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prune all but the last 15 inventories from the running archive.
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It's possible to do mass pruning of the inventory backup. The following
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example will prune all but the last 15 inventories from the running archive.
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.. code-block:: bash
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ARCHIVE="/etc/openstack_deploy/backup_openstack_inventory.tar"
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tar -tvf ${ARCHIVE} | \
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head -n -15 | awk '{print $6}' | \
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xargs -n 1 tar -vf ${ARCHIVE} --delete
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ARCHIVE="/etc/openstack_deploy/backup_openstack_inventory.tar"
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tar -tvf ${ARCHIVE} | \
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head -n -15 | awk '{print $6}' | \
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xargs -n 1 tar -vf ${ARCHIVE} --delete
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Selective Pruning
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-----------------
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To prune the inventory archive selectively first identify the files you wish to
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remove by listing them out.
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To prune the inventory archive selectively first identify the files you wish
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to remove by listing them out.
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.. code-block:: bash
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tar -tvf /etc/openstack_deploy/backup_openstack_inventory.tar
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tar -tvf /etc/openstack_deploy/backup_openstack_inventory.tar
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-rw-r--r-- root/root 110096 2018-05-03 10:11 openstack_inventory.json-20180503_151147.json
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-rw-r--r-- root/root 110090 2018-05-03 10:11 openstack_inventory.json-20180503_151205.json
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-rw-r--r-- root/root 110098 2018-05-03 10:12 openstack_inventory.json-20180503_151217.json
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-rw-r--r-- root/root 110096 2018-05-03 10:11 openstack_inventory.json-20180503_151147.json
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-rw-r--r-- root/root 110090 2018-05-03 10:11 openstack_inventory.json-20180503_151205.json
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-rw-r--r-- root/root 110098 2018-05-03 10:12 openstack_inventory.json-20180503_151217.json
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Now delete the targeted inventory archive.
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.. code-block:: bash
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tar -vf /etc/openstack_deploy/backup_openstack_inventory.tar --delete openstack_inventory.json-20180503_151205.json
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tar -vf /etc/openstack_deploy/backup_openstack_inventory.tar --delete openstack_inventory.json-20180503_151205.json
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@ -27,7 +27,7 @@ restrictive environments. For more details on that setup, see
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be released in Ansible version 2.3.
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Create a RabbitMQ cluster
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~~~~~~~~~~~~~~~~~~~~~~~~~
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-------------------------
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RabbitMQ clusters can be formed in two ways:
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@ -86,7 +86,7 @@ cluster of the first node.
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Starting node rabbit@rabbit2 ...done.
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Check the RabbitMQ cluster status
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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---------------------------------
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#. Run ``rabbitmqctl cluster_status`` from either node.
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@ -119,7 +119,7 @@ process by stopping the rabbitmq application on the third node.
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...done.
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Stop and restart a RabbitMQ cluster
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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-----------------------------------
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To stop and start the cluster, keep in mind the order in
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which you shut the nodes down. The last node you stop, needs to be the
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@ -130,7 +130,7 @@ it thinks the current `master` should not be the master and drops the messages
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to ensure that no new messages are queued while the real master is down.
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RabbitMQ and mnesia
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~~~~~~~~~~~~~~~~~~~
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-------------------
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Mnesia is a distributed database that RabbitMQ uses to store information about
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users, exchanges, queues, and bindings. Messages, however
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@ -143,7 +143,7 @@ To view the locations of important Rabbit files, see
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`File Locations <https://www.rabbitmq.com/relocate.html>`_.
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Repair a partitioned RabbitMQ cluster for a single-node
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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-------------------------------------------------------
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Invariably due to something in your environment, you are likely to lose a
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node in your cluster. In this scenario, multiple LXC containers on the same host
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@ -195,7 +195,7 @@ the failing node.
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...done.
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Repair a partitioned RabbitMQ cluster for a multi-node cluster
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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--------------------------------------------------------------
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The same concepts apply to a multi-node cluster that exist in a single-node
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cluster. The only difference is that the various nodes will actually be
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@ -627,11 +627,11 @@ containers.
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Restoring inventory from backup
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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OpenStack-Ansible maintains a running archive of inventory. If a change has been
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introduced into the system that has broken inventory or otherwise has caused an
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unforseen issue, the inventory can be reverted to an early version. The backup
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file ``/etc/openstack_deploy/backup_openstack_inventory.tar`` contains a set of
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timestamped inventories that can be restored as needed.
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OpenStack-Ansible maintains a running archive of inventory. If a change has
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been introduced into the system that has broken inventory or otherwise has
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caused an unforseen issue, the inventory can be reverted to an early version.
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The backup file ``/etc/openstack_deploy/backup_openstack_inventory.tar``
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contains a set of timestamped inventories that can be restored as needed.
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Example inventory restore process.
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@ -647,5 +647,5 @@ Example inventory restore process.
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rm -rf /tmp/inventory_restore
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At the completion of this operation the inventory will be restored to the ealier
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version.
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At the completion of this operation the inventory will be restored to the
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earlier version.
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@ -278,6 +278,7 @@ Testing a new role with an AIO
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deployment requirements (secrets and var files, HAProxy yml fragments,
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repo_package files, etc.) in their own files it makes it easy for you to
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automate these additional steps when testing your role.
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Integrated repo functional or scenario testing
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----------------------------------------------
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@ -25,10 +25,11 @@ Network configuration
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Switch port configuration
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-------------------------
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The following example provides a good reference for switch configuration and cab
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layout. This example may be more that what is required for basic setups however
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it can be adjusted to just about any configuration. Additionally you will need
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to adjust the VLANS noted within this example to match your environment.
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The following example provides a good reference for switch configuration and
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cab layout. This example may be more that what is required for basic setups
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however it can be adjusted to just about any configuration. Additionally you
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will need to adjust the VLANS noted within this example to match your
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environment.
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.. image:: ../figures/example-switchport-config-and-cabling.png
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:width: 100%
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