Syncing from upstream patroni/patroni (master) #435
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There was one oversight of #2781 - to influence external tools that Patroni could execute, we set global `umask` value based on permissions of the $PGDATA directory. As a result, it also influenced permissions of log files created by Patroni. To address the problem we implement two measures: 1. Make `log.mode` configurable. 2. If the value is not set - calculate permissions from the original value of the umask setting.
To enable quorum commit: ```diff $ patronictl.py edit-config --- +++ @@ -5,3 +5,4 @@ use_pg_rewind: true retry_timeout: 10 ttl: 30 +synchronous_mode: quorum Apply these changes? [y/N]: y Configuration changed ``` By default Patroni will use `ANY 1(list,of,stanbys)` in `synchronous_standby_names`. That is, only one node out of listed replicas will be used for quorum. If you want to increase the number of quorum nodes it is possible to do it with: ```diff $ patronictl edit-config --- +++ @@ -6,3 +6,4 @@ retry_timeout: 10 synchronous_mode: quorum ttl: 30 +synchronous_node_count: 2 Apply these changes? [y/N]: y Configuration changed ``` Good old `synchronous_mode: on` is still supported. Close #664 Close #672
1. All nodes with role == 'replica' and state == 'running' are are registered. In case is state isn't running the node is removed. 2. In case of failover/switchover we always first update the primary 3. When switching to a registered secondary we call citus_update_node() three times: rename primary to primary-demoted, put the primary name to a promoted secondary row and put the promoted secondary name to the primary row State transitions are produced by the transition() method. First of all the method makes sure that the actual primary is registered in the metadata. In case if for a given group the primary didn't change, the method registers new secondaries and removes secondaries that are gone. It prefers to use citus_update_node() UDF to replace gone secondaries with added. Communication protocol between primary nodes remains the same and all old features work without any changes.
It was announced as deprecated in v3.2.0
Besides that: 1. Introduce `setup.py isort` for quick check 2. Introduce GH actions to check imports
Pull Request Test Coverage Report for Build 10382266213Warning: This coverage report may be inaccurate.This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.
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