Unify undercloud upgrade steps
The steps needed to upgrade the undercloud were specified in two different files. This commit updates the steps to cover O to P from commit 496223 in the 'Undercloud Installation' section and reuses that doc file for the 'Upgrading to a Next Major Release'. As an addition, a new class 'otop' has been added to include specific documentation sections when upgrading from Ocata to Pike. Change-Id: I9097ca11a95f94c5eaf580fb8a82b3173d606a5d
This commit is contained in:
Jose Luis Franco Arza
parent
65651865f3
commit
159cce3c4a
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@ -72,6 +72,7 @@
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.ltom {background: #dee;}
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.mton {background: #ded;}
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.ntoo {background: #edd;}
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.otop {background: #dfb;}
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.validations {background: #fdd;}
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.optional {background: #ffe;}
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@ -54,6 +54,7 @@
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<ul>
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<li><input type="checkbox" id="mton" checked="checked"><label for="mton" title="Step that should only be run for upgrading from Mitaka to Newton">Upgrading Mitaka to Newton</label></li>
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<li><input type="checkbox" id="ntoo" checked="checked"><label for="ntoo" title="Step that should only be run for upgrading from Newton to Ocata">Upgrading Newton to Ocata</label></li>
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<li><input type="checkbox" id="otop" checked="checked"><label for="otop" title="Step that should only be run for upgrading from Ocata to Pike">Upgrading Ocata to Pike</label></li>
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</ul>
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@ -8,3 +8,4 @@ update components after installation.
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.. include:: updating.rst
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#. Proceed with :ref:`package_update`
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@ -3,10 +3,20 @@ Updating Undercloud Components
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You can upgrade any packages that are installed on the undercloud machine.
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#. Remove all Delorean repositories::
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#. Remove all Delorean repositories:
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.. note::
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You may wish to backup your current repos before disabling them::
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mkdir /home/stack/REPOBACKUP
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sudo mv /etc/yum.repos.d/delorean* /home/stack/REPOBACKUP
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::
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sudo rm /etc/yum.repos.d/delorean*
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#. Enable new Delorean repositories:
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.. include:: ../repositories.txt
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@ -18,38 +28,67 @@ You can upgrade any packages that are installed on the undercloud machine.
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sudo yum clean all
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#. Stop all OpenStack-related services if upgrading to Ocata or an older release.
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In Pike and later releases this step is handled by the undercloud upgrade
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process and should not be done by the user.
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#. Update required package:
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.. admonition:: Stable Branch
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:class: stable
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.. admonition:: Validations
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:class: validations
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Stop services so that they are not restarted by packaging scripts
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when they are updated. The service restarts will be handled by the
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undercloud upgrade command after new configuration has been applied.::
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It is strongly recommended that you validate the state of your undercloud
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before starting any upgrade operations. The tripleo-validations_ repo has
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some 'pre-upgrade' validations that you can execute by following the
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instructions at validations_ to execute the "pre-upgrade" group::
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mistral execution-get-output $(openstack workflow execution create -f value -c ID tripleo.validations.v1.run_groups '{"group_names": ["pre-upgrade"]}')
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.. admonition:: Newton to Ocata
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:class: ntoo
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The following commands need to be run before the undercloud upgrade::
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sudo systemctl stop openstack-*
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sudo systemctl stop neutron-*
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sudo systemctl stop openvswitch
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sudo systemctl stop httpd
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sudo yum -y update instack-undercloud openstack-puppet-modules openstack-tripleo-common
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#. Update the TripleO CLI package::
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sudo yum -y update python-tripleoclient
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.. admonition:: Ocata to Pike
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:class: otop
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.. admonition:: Ceph
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:class: ceph
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If you are using Pike or newer and Ceph was deployed in the
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overcloud, update ceph-ansible on the undercloud::
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Prior to Pike, TripleO deployed Ceph with puppet-ceph. With the
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Pike release it is possible to use TripleO to deploy Ceph with
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either ceph-ansible or puppet-ceph, though puppet-ceph is
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deprecated. To use ceph-ansible, the CentOS Storage SIG Ceph
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repository must be enabled on the undercloud and the
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ceph-ansible package must then be installed::
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sudo yum -y install --enablerepo=extras centos-release-ceph-jewel
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sudo yum -y install ceph-ansible
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Update TripleO CLI package::
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sudo yum -y update python-tripleoclient
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sudo yum -y update ceph-ansible
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#. Run the undercloud upgrade command. This command will upgrade all packages
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and use puppet to apply new configuration and restart all OpenStack
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services.::
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services::
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openstack undercloud upgrade
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#. Proceed with :ref:`package_update`.
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.. note::
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You may wish to use time and capture the output to a file for any debug::
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time openstack undercloud upgrade 2>&1 | tee undercloud_upgrade.log
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.. note::
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If you added custom OVS ports to the undercloud (e.g. in a virtual
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testing environment) you may need to re-add them at this point.
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.. _validations: ../validations/validations.html#running-a-group-of-validations
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.. _tripleo-validations: https://github.com/openstack/tripleo-validations/tree/master/validations
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@ -23,106 +23,8 @@ Note that there are version specific caveats and notes which are pointed out as
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it in a matching staging environment, and create a backup of the
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production environment.
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Upgrading the Undercloud
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------------------------
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1. Disable the old OpenStack release repositories and enable new
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release repositories on the undercloud:
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Backup and disable current repos. Note that the repository files might be
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named differently depending on your installation::
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mkdir /home/stack/REPOBACKUP
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sudo mv /etc/yum.repos.d/delorean* /home/stack/REPOBACKUP/
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Get and enable new repos for `NEW_VERSION`:
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.. include:: ../repositories.txt
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2. Run undercloud upgrade:
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.. note::
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It is strongly recommended that you validate the state of your undercloud
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before starting any upgrade operations. The tripleo-validations_ repo has
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some 'pre-upgrade' validations that you can execute by following the
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instructions at validations_ to execute the "pre-upgrade" group::
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openstack workflow execution create tripleo.validations.v1.run_groups '{"group_names": ["pre-upgrade"]}'
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mistral execution-get-output $id_returned_above
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.. admonition:: Mitaka to Newton
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:class: mton
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In the first release of instack-undercloud newton(5.0.0), the undercloud
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telemetry services are **disabled** by default. In order to maintain the
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telemetry services during the mitaka to newton upgrade the operator must
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explicitly enable them **before** running the undercloud upgrade. This
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is done by adding::
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enable_telemetry = true
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in the [DEFAULT] section of the undercloud.conf configuration file.
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If you are using any newer newton release, this option is switched back
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to **enabled** by default to make upgrade experience better. Hence, if
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you are using a later newton release you don't need to explicitly enable
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this option.
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.. admonition:: Ocata to Pike
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:class: mton
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Prior to Pike, TripleO deployed Ceph with puppet-ceph. With the
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Pike release it is possible to use TripleO to deploy Ceph with
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either ceph-ansible or puppet-ceph, though puppet-ceph is
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deprecated. To use ceph-ansible, the CentOS Storage SIG Ceph
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repository must be enabled on the undercloud and the
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ceph-ansible package must then be installed::
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sudo yum -y install --enablerepo=extras centos-release-ceph-jewel
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sudo yum -y install ceph-ansible
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It is not yet possible to migrate an existing puppet-ceph
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deployment to a ceph-ansible deployment. Only new deployments
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are currently possible with ceph-ansible.
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.. admonition:: Newton to Ocata
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:class: ntoo
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The following commands need to be run before the undercloud upgrade::
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sudo systemctl stop openstack-*
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sudo systemctl stop neutron-*
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sudo systemctl stop httpd
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sudo yum -y update instack-undercloud openstack-puppet-modules openstack-tripleo-common
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The following command will upgrade the undercloud::
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sudo yum -y update python-openstackclient python-tripleoclient ceph-ansible
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openstack undercloud upgrade
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Once the undercloud upgrade is fully completed you may
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remove the older mysql backup folder /home/stack/mysql-backup
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.. note::
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You may wish to use time and capture the output to a file for any debug::
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time openstack undercloud upgrade 2>&1 | tee undercloud_upgrade.log
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.. note::
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If you added custom OVS ports to the undercloud (e.g. in a virtual
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testing environment) you may need to re-add them at this point.
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.. _validations: ../validations/validations.html#running-a-group-of-validations
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.. _tripleo-validations: https://github.com/openstack/tripleo-validations/tree/master/validations
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.. note::
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It is not necessary to update ceph-ansible if Ceph is not used in
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the overcloud.
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.. Undercloud upgrade section
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.. include:: ../../install/installation/updating.rst
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Upgrading the Overcloud to Ocata or Pike
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-------------------------------------------
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