Multi-cell adoption #517
Multi-cell adoption #517
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The recent revision gives an overview to the approach taken, PTAL. |
docs_user/modules/proc_migrating-databases-to-mariadb-instances.adoc
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docs_user/modules/proc_retrieving-topology-specific-service-configuration.adoc
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This change depends on a change that failed to merge. Change openstack-k8s-operators/install_yamls#826 is needed. |
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Based on feedback from @SeanMooney, we should not shift cells names as I proposed here. We want it instead like this:
Implementing either of these is quite challenging given the local requirement to maintain code in tests in the same form as it is documented (meaning shell commands). This sofisticated logic will bring in even more loops and arrays handling into already overcomplicated code proposed in this PR draft. |
As nova-operator allows a cell to be named "default" the simplest solution would be your second proposal. Just import the cells as is. This has the benefit also that it will work even if a given customer wrongly attached computes to the default cell. |
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I tend now to implement the last choice: for a multi-cell ( default, cell1, etc. exist) - rename default cell to the highest cell number + 1. This keeps it consistent for single cell and multicell... /update: See the combined option which allows both renaming or importing as is |
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This change depends on a change that failed to merge. Change https://review.rdoproject.org/r/c/rdo-jobs/+/55910 is needed. |
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This change depends on a change that failed to merge. Change https://review.rdoproject.org/r/c/rdo-jobs/+/55910 is needed. |
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Split edpm nodes into compute cells by 1:1 mapping it as dataplane nodesets. Use edpm_nodes var to describe compuptes for each cell, instead of static host and ip vars that only used to work for a single-cell standalone, or multi-node single cell cases. Also explain EDPM net config requirements in vars.sample, when it is used outside of ci-framework (local deployments). Remove edpm_computes vars no longer used after moving stopping control-plane tripleo services into edpm-ansible Simplify ENV headers management by collecting in a single place. Provide a variable to define the source cloud Ironic topology, for any cells with Ironic services. Align nova/libvirt and related services ordering in the lists of services defined in multiple places, with those specified in VA. Align the names in the tests to follow the documented steps to make the corresponding code easy discoverable. Adjust storage/storageRequests values to make it better fitting a multi-cell test scenarios. Also provide values in docs and add a comment to adjust them as needed. Stop ovn services only if active, or not missing (like on the cell controllers) Signed-off-by: Bohdan Dobrelia <[email protected]>
Signed-off-by: Bohdan Dobrelia <[email protected]>
Without that, edpm-ansible's os-net-config changes IPs on internalapi, which also breaks connectivity to EDPM hosts for ansible (restores after a node reboot though). Signed-off-by: Bohdan Dobrelia <[email protected]>
Signed-off-by: Bohdan Dobrelia <[email protected]>
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This change depends on a change that failed to merge. Change https://review.rdoproject.org/r/c/rdo-jobs/+/55910 is needed. |
Split edpm nodes into compute cells by 1:1 mapping it as
dataplane nodesets.
Use edpm_nodes var to describe compuptes for each cell,
instead of static host and ip vars that only used to work for
a single-cell standalone, or multi-node single cell cases.
Also explain EDPM net config requirements in vars.sample, when
it is used outside of ci-framework (local deployments).
Remove edpm_computes vars no longer used after moving stopping
control-plane tripleo services into edpm-ansible
Simplify ENV headers management by collecting in a single place.
Provide a variable to define the source cloud Ironic topology,
for any cells with Ironic services.
Align nova/libvirt and related services ordering in the
lists of services defined in multiple places, with those
specified in VA.
Align the names in the tests to follow the documented steps
to make the corresponding code easy discoverable.
Adjust storage/storageRequests values to make it better fitting
a multi-cell test scenarios. Also provide values in docs and
add a comment to adjust them as needed.
Stop ovn services only if active, or not missing (like on
the cell controllers)
Retain EDPM host IPs on internalapi network. Without that, edpm-ansible's os-net-config
changes IPs on internalapi, and also breaks connectivity to EDPM hosts for ansible
(which restores after a node reboot).
Add edpmRoleServiceName value for tlsCerts.
Depends-On: https://review.rdoproject.org/r/c/rdo-jobs/+/55910
Jira: #OSPRH-6548