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Make Patroni Kubernetes native (#500)

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* Use ConfigMaps or Endpoins for leader elections and to keep cluster state
* Label pods with a postgres role
* change behavior of pip install. From now on it will not install all dependencies, you have to specify explicitly DCS you want to use Patroni with: `pip install patroni[etcd,zookeeper,kubernetes]`
This commit is contained in:
Alexander Kukushkin
2017-12-08 16:55:00 +01:00
committed by GitHub
parent bd847fd2cc
commit 4328c15010
24 changed files with 1000 additions and 100 deletions
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features/basic_replication.feature
+8 -3
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@@ -21,9 +21,14 @@ Feature: basic replication
And "sync" key in DCS has sync_standby=postgres2 after 10 seconds
Scenario: check the basic failover in synchronous mode
When I kill postgres0
Then postgres2 role is the primary after 22 seconds
When I issue a PATCH request to http://127.0.0.1:8009/config with {"synchronous_mode": null, "master_start_timeout": 0}
Given I run patronictl.py pause batman
Then I receive a response returncode 0
When I sleep for 2 seconds
And I shut down postgres0
And I run patronictl.py resume batman
Then I receive a response returncode 0
And postgres2 role is the primary after 24 seconds
When I issue a PATCH request to http://127.0.0.1:8010/config with {"synchronous_mode": null, "master_start_timeout": 0}
Then I receive a response code 200
When I add the table bar to postgres2
Then table bar is present on postgres1 after 20 seconds