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53 Commits
Author SHA1 Message Date
Alexander Kukushkin 7f8e95b334 Next run of ha cycle is rescheduled depending on return value of watch 
Current etcd implementation does not yet support timeout option when
`wait=true`: https://github.com/coreos/etcd/issues/2468

Originaly I've implemented `watch` method for `Etcd` class in a
following manner: if the leader key was updated just because master
needs to update ttl and watch timeout is not yet expired, I was
recalculating timeout and starting `watch` call once again.
Usually after "restart" we were getting urllib3.exceptions.TimeoutError.
The only possible way to recover after such exception - close socket and
establish a new connection. With pure http it's relatively cheap, but
with https and some kind of authorization on etcd side it would became
rather expensive and should be avoided.
 2015-09-16 10:38:34 +02:00
Oleksii Kliukin 51eacc5042 Handle the case when initialize flag is not set and leader is present. 2015-09-14 12:36:28 +02:00
Alexander Kukushkin 1774d6e31a Merge branches watch-leader-key and package-refactoring 2015-09-05 16:09:28 +02:00
Alexander Kukushkin 3a4a2dbb94 Merge branch 'master' of github.com:zalando/patroni into feature/watch-leader-key 2015-09-05 15:31:37 +02:00
Alexander Kukushkin ac2740eeb9 Drop unused variable server_version 2015-09-05 15:22:38 +02:00
Alexander Kukushkin 7cce02ae95 Always use pg_xlog_location_diff to calculate bytes written to xlog 
Drop unused functionality (lsn_to_bytes, bytes_to_lsn)
Revert some changes.
 2015-09-05 15:19:17 +02:00
Alexander Kukushkin 650e244904 Refactor directory structure in preparation for building pypi-package 2015-09-04 16:06:44 +02:00
Alexander Kukushkin c913c8ad92 Calculate xlog bytes with using lsn_to_bytes method 
This method behaves differently depending on server version and will
allow to use patroni with postgres older than 9.3
 2015-09-04 12:11:55 +02:00
Alexander Kukushkin 8b9e99090f Move lsn_to_bytes and bytes_to_lsn into Postgresql class 
and make their behavior version specific
 2015-09-04 10:41:59 +02:00
Alexander Kukushkin 9361732722 Fix pep8 formatting and unit-tests 2015-09-04 08:29:16 +02:00
Alexander Kukushkin df06860bde Merge pull request #23 from pgexperts/93compat 
93compat
 2015-09-04 08:14:13 +02:00
Josh Berkus f5627a498e Fixed test_postgresql.py to include use_slots. 2015-09-03 18:41:30 -07:00
Alexander Kukushkin 3b1efff53e Refactor Cluster object 
`Cluster.leader` is not reference to `Member` anymore, but to `Leader`
`Leader` class contains field `index` (update index). This field is very
useful for watching for events which changing leader key. Also `Leader`
contains `member` field, which should reference real member.
 2015-08-27 10:53:22 +02:00
Alexander Kukushkin 420176aa75 Merge branch 'master' of github.com:zalando/patroni into feature/python-etcd 2015-08-25 10:11:29 +02:00
Alexander Kukushkin befd33555d Refactor helpers/etcd.py 
Work with etcd cluster via high-level python-etcd module.
Plus change all unit tests accordingly.
 2015-08-24 16:58:08 +02:00
Oleksii Kliukin 29434e24ea Allow relative paths to external scripts. 2015-08-24 16:53:57 +02:00
Feike Steenbergen b0707c8ddd Merge branch 'master' of github.com:zalando/patroni into feature/external_backup 
Conflicts:
	requirements-py2.txt
 2015-08-11 11:27:53 +02:00
Alexander Kukushkin e9d46b0adb Merge branch 'master' of github.com:zalando/patroni into feature/lost-dcs-data 2015-08-11 10:19:07 +02:00
Oleksii Kliukin 7f2dcc0a95 Move replica creation code into a separte file. So far, only the class that makes replicas with pg_basebackup is called. 2015-08-03 11:44:11 +02:00
Oleksii Kliukin 5171964758 Merge branch 'master' into feature/callbacks 2015-07-27 16:19:03 +02:00
Oleksii Kliukin b92bfb34a5 Futher test for postgresql module (includes callbacks) 2015-07-27 13:04:01 +02:00
Oleksii Kliukin 859da0db0a Make unit tets run again. 2015-07-27 10:10:29 +02:00
Alexander Kukushkin 26935c3725 Merge branch 'master' of github.com:zalando/patroni into feature/lost-dcs-data 2015-07-15 12:49:38 +02:00
Alexander Kukushkin 66f4f790d2 Improve test coverage 2015-07-15 12:49:17 +02:00
Alexander Kukushkin b54119b918 Run is_healthiest_node against last know healthy configuration of cluster 
This will help to survive when everything was wiped from configuration
store.
 2015-07-15 11:20:25 +02:00
Alexander Kukushkin 71fce312c2 Enforce flake8 check 2015-07-10 10:53:04 +02:00
Alexander Kukushkin 54400c6dec Merge branch 'multidcs' of github.com:CyberDem0n/governor into feature/multidcs 
Conflicts:
	governor.py
	tests/test_governor.py
	tests/test_postgresql.py
 2015-07-08 08:47:26 +02:00
Alexander Kukushkin c5edcb589b return result of last_operation as a string 2015-07-07 12:24:02 +02:00
Alexander Kukushkin cc71906009 Inherit Etcd from abstract class 2015-07-02 15:15:07 +02:00
Alexander Kukushkin 10d992a974 Merge pull request #26 from CyberDem0n/master 
Reduce amount of writes into etcd
 2015-06-24 16:39:50 +02:00
Alexander Kukushkin 275e18e58a Refactor tests 2015-06-10 14:21:23 +02:00
Oleksii Kliukin 8ab7717f13 increase test coverage for the changes in postgresql.py 2015-06-05 10:03:42 +02:00
Alexander Kukushkin 5cceac7621 Merge branch 'master' of github.com:CyberDem0n/governor into features/refactoring 
Conflicts:
	tests/test_postgresql.py
 2015-06-02 12:38:45 +02:00
Alexander Kukushkin d9fbbf3ae9 Make pg_hba section more compact 2015-06-02 12:37:26 +02:00
Alexander Kukushkin 88631e14fa Merge branch 'master' of github.com:CyberDem0n/governor into features/refactoring 
Conflicts:
	helpers/postgresql.py
	tests/test_postgresql.py
 2015-06-02 10:28:28 +02:00
Alexander Kukushkin f9ce29d49f rename address to conn_url in a Member obj 
and introduce new field: api_url
 2015-06-02 08:52:34 +02:00
Alexander Kukushkin bacd05d99e Determine preferable local address to connect through. 
If listen contains '*' or 0.0.0.0 - connect via localhost
In all other cases pick the first one.
 2015-06-01 17:00:15 +02:00
Alexander Kukushkin 1bcc2b5fa6 Extend postgres?.yml with pg_hba section to give possibility to customize pg_hba.conf 2015-06-01 16:05:35 +02:00
Alexander Kukushkin ccdff5ea99 Merge branch 'master' of github.com:CyberDem0n/governor into features/refactoring 
Conflicts:
	helpers/postgresql.py
	tests/test_postgresql.py
 2015-06-01 14:14:53 +02:00
Alexander Kukushkin adcc7ac256 Try to avoid "double" promotion. 
Also check presence of trigger_file on master after promotion when
pg_is_in_recovery() = false and if it is there - remove it.
Plus check presence of trigger_file on a new slave (after running
pg_basebackup) and if it is there - also remove it.
 2015-06-01 13:48:44 +02:00
Alexander Kukushkin 939254021e Code cleanup: do not modify os.environ but pass copy of it to subprocess.call 2015-06-01 11:03:06 +02:00
Alexander Kukushkin b85262637d Bugfix: do not create replication slot for master 2015-06-01 09:20:24 +02:00
Alexander Kukushkin 0cd81a1ecf Merge branch 'restapi' of github.com:CyberDem0n/governor into features/refactoring 
Conflicts:
	tests/test_postgresql.py
 2015-05-27 11:15:15 +02:00
Alexander Kukushkin 9968a66048 helpers/postgresql.py 
Replace os.system with subprocess.call
 2015-05-27 11:08:06 +02:00
Alexander Kukushkin bbf1110518 Merge branch 'restapi' of github.com:CyberDem0n/governor into features/refactoring 
Conflicts:
	governor.py
	helpers/postgresql.py
	postgres0.yml
	postgres1.yml
	tests/test_postgresql.py
 2015-05-26 09:56:35 +02:00
Alexander Kukushkin faf295dcd0 Add initialize key into Cluster 2015-05-24 19:26:35 +02:00
Alexander Kukushkin ce267d9f1e query method will retry only in case of communication error 2015-05-24 09:01:23 +02:00
Alexander Kukushkin f53c369c69 Connect timeout 5 seconds for psycopg2 
Refactored query and is_healthiest_node methods
query method wont retry more then 3 times if OperationalError raised
is_healthiest_node takes into account that one of the nodes could be
still a master
 2015-05-23 20:21:13 +02:00
Feike Steenbergen 7f458a84bb Remove unnessecary functions from unittest, fix one bug (return tuples) in cursor. 2015-05-21 14:53:25 +02:00
Feike Steenbergen 836a681157 Fixed the tests, by testing also found an squashed a bug in the StatusPage on python 3. 2015-05-21 14:40:07 +02:00