![Jakub Libosvar](/assets/img/avatar_default.png)
TripleO used to uninstall services if the resources were set to None. It was not intentional and TripleO no longer does that. This patch manually removes dhcp, l3, metadata and ovs agents from controller and compute nodes, including its systemd service files. Closes-Bug: #1878358 Change-Id: I140ae0c476bf9e19b4429ce388ddc7cc3f4cd421 Signed-off-by: Jakub Libosvar <libosvar@redhat.com>
119 lines
2.4 KiB
YAML
119 lines
2.4 KiB
YAML
# This is the playbook used by ovn-migration.sh.
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#
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# Pre migration and validation tasks will make sure that the initial cloud
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# is functional, and will create resources which will be checked after
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# migration.
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#
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- name: Pre migration and validation tasks
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hosts: localhost
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roles:
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- pre-migration
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tags:
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- pre-migration
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#
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# This step is executed before migration, and will backup some config
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# files related to containers before those get lost.
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#
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- name: Backup tripleo container config files on the nodes
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hosts: ovn-controllers
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roles:
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- backup
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tags:
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- setup
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- name: Stop ml2/ovs resources
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hosts: ovn-controllers
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roles:
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- stop-agents
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tags:
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- migration
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#
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# TripleO / Director is executed to deploy ovn using "br-migration" for the
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# dataplane, while br-int is left intact to avoid dataplane disruption.
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#
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- name: Set up OVN and configure it using tripleo
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hosts: localhost
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roles:
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- tripleo-update
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vars:
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ovn_bridge: br-migration
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tags:
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- setup
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become: false
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#
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# Once everything is migrated prepare everything by syncing the neutron DB
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# into the OVN NB database, and then switching the dataplane to br-int
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# letting ovn-controller take control, afterwards any remaining neutron
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# resources, namespaces or processes which are not needed anymore are
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# cleaned up.
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#
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- name: Do the DB sync and dataplane switch
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hosts: ovn-controllers, ovn-dbs
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roles:
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- migration
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vars:
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ovn_bridge: br-int
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tags:
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- migration
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#
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# Verify that the initial resources are still reachable, remove them,
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# and afterwards create new resources and repeat the connectivity tests.
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#
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- name: Post migration
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hosts: localhost
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roles:
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- delete-neutron-resources
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- post-migration
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tags:
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- post-migration
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#
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# Final step to make sure tripleo knows about OVNIntegrationBridge == br-int.
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#
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- name: Rerun the stack update to reset the OVNIntegrationBridge to br-int
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hosts: localhost
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roles:
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- tripleo-update
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vars:
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ovn_bridge: br-int
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tags:
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- setup
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become: false
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#
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# Final validation after tripleo update to br-int
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#
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- name: Final validation
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hosts: localhost
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vars:
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validate_premigration_resources: false
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roles:
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- post-migration
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tags:
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- final-validation
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#
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# Announce that it's done and ready.
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#
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- hosts: localhost
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tasks:
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- name: Migration successful.
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debug:
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msg: Migration from ML2OVS to OVN is now complete.
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