diff options
Diffstat (limited to 'puppet/services/README.rst')
| -rw-r--r-- | puppet/services/README.rst | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/puppet/services/README.rst b/puppet/services/README.rst index 34cb350b..9c2d8c5c 100644 --- a/puppet/services/README.rst +++ b/puppet/services/README.rst @@ -57,10 +57,14 @@ is a list of ansible tasks to be performed during the upgrade process. Similar to the step_config, we allow a series of steps for the per-service upgrade sequence, defined as ansible tasks with a tag e.g "step1" for the first -step, "step2" for the second, etc. Note that each step is performed in batches, -then we move on to the next step which is also performed in batches (we don't -perform all steps on one node, then move on to the next one which means you -can sequence rolling upgrades of dependent services via the step value). +step, "step2" for the second, etc (currently only two steps are supported, but +more may be added when required as additional services get converted to batched +upgrades). + +Note that each step is performed in batches, then we move on to the next step +which is also performed in batches (we don't perform all steps on one node, +then move on to the next one which means you can sequence rolling upgrades of +dependent services via the step value). The tasks performed at each step is service specific, but note that all batch upgrade steps are performed before the `upgrade_tasks` described below. This @@ -93,9 +97,9 @@ step, "step2" for the second, etc. 5) Perform any migration tasks, e.g DB sync commands - 6) Start control-plane services - - 7) Any additional online migration tasks (e.g data migrations) +Note that the services are not started in the upgrade tasks - we instead re-run +puppet which does any reconfiguration required for the new version, then starts +the services. Nova Server Metadata Settings ----------------------------- |