ba152d41b4
For principal - subordinate plugin type relations where the principal Python payload imports code from packages managed by a subordinate, upgrades can be problematic. This change will allow a subordinate charm that have opted into the feature to inform its principal about all implemented release - packages combinations ahead of time. With this information in place the principal can do the upgrade in one operation without risk of charm relation RPC type processing at a critical moment. Related-Bug: #1806111 Change-Id: I2df0abed25825448569581273aee4e79a6003dad |
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layer_openstack.py |