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161 Commits
Author SHA1 Message Date
Alexander Kukushkin 6079c8359f refactoring: preparing to support ZooKeeper 
move some common classes info separate file in preparation to support distributed configuration store other then Etcd
 2015-07-02 12:06:07 +02:00
Alexander Kukushkin c7210d35ff Merge pull request #27 from CyberDem0n/master 
BUGFIX: keep list of replication slots on slaves empty
 2015-06-25 14:20:10 +02:00
Alexander Kukushkin 9732106e5d BUGFIX: keep list of replication slots on slaves empty 
Otherwise slaves accumulate wal files...
 2015-06-25 14:01:06 +02:00
Alexander Kukushkin ffdd3b3d8e Merge branch 'master' of github.com:CyberDem0n/governor 2015-06-24 16:42:08 +02:00
Alexander Kukushkin a02f9d497f BUGFIX: it can be that /members request to etcd returns somesing strange with status_code 200 2015-06-24 16:41:37 +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 f7be52f63a real_ttl method will return -1 when expiration is not defined 2015-06-23 17:15:37 +02:00
Alexander Kukushkin 744026b4bb Do not update member TTL when it is far from being expired 2015-06-23 14:02:32 +02:00
Alexander Kukushkin 275e18e58a Refactor tests 2015-06-10 14:21:23 +02:00
Alexander Kukushkin 72b980bd97 Merge branch 'etcd-cluster-support' of github.com:CyberDem0n/governor 2015-06-10 11:58:48 +02:00
Alexander Kukushkin 971bc3b6e8 Increase verbosity of failed PUT and DELETE requests. Hope will help to debug some etcd related issues 2015-06-10 11:56:16 +02:00
Alexander Kukushkin 19b0d4701b Merge branch 'etcd-cluster-support' of github.com:CyberDem0n/governor into etcd-cluster-support 
Conflicts:
	requirements-py2.txt
	tests/test_governor.py
 2015-06-09 11:34:14 +02:00
Alexander Kukushkin c79fba7656 Support work with etcd as a cluster 
In case if one member of a cluster is not available it will retry with
another one and fetch the new cluster configuration. Default timeout for
all requests to etcd is 5 seconds.
Initial cluster configuration can be resolved through:
1) /v2/members call on one of the cluster members on a client port
2) when it is possible to resolve hostname into multiple ip's  it will
iterate through list and try to perform action from 1)
3) If there is discovery_srv defined in etcd section of config file it
will resolve peer addresses of all cluster members and will fetch
cluster configuration with using peer protocol by doing /members call on
a peer port
 2015-06-09 09:51:53 +02:00
Oleksii Kliukin 16a068f795 use instance-identity/document URL part to get instanceid and region at once. 2015-06-05 17:07:10 +02:00
Oleksii Kliukin 8ab7717f13 increase test coverage for the changes in postgresql.py 2015-06-05 10:03:42 +02:00
Oleksii Kliukin cdc7526216 Merge branch 'master' into feature/awstags 2015-06-05 09:50:17 +02:00
Oleksii Kliukin e2de4c9045 add ok flag to the MockResponse object in order to be compatible with the AWS code, which examines this flag in a callback. 2015-06-05 08:59:32 +02:00
Oleksii Kliukin 3d123b41df add unittests. 2015-06-04 17:19:33 +02:00
Alexander Kukushkin e54fb8c617 Merge pull request #22 from CyberDem0n/master 
Process http requests in a threads with ThreadingMixIn
 2015-06-04 08:34:56 +02:00
Alexander Kukushkin aa1fc315ae Process http requests in a threads with ThreadingMixIn 2015-06-03 16:22:05 +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 fca987deda set value of api_url from application_name parameter of conn_url. Reset parameters of conn_url 2015-06-02 09:45:37 +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 f8c3582715 Refactor api: 
Call is_running only when it's not possible to execute query against
governed postgres.
 2015-06-01 10:48:16 +02:00
Alexander Kukushkin b85262637d Bugfix: do not create replication slot for master 2015-06-01 09:20:24 +02:00
Alexander Kukushkin 5fcb19b817 Merge branch 'sleep-sigchld' of github.com:CyberDem0n/governor into features/refactoring 
Conflicts:
	tests/test_governor.py
 2015-05-28 15:55:03 +02:00
Alexander Kukushkin aa486194ae Wrap time.sleep into wrapper function 
In case if it was interrupted by SIGCHLD but scheduled awake time is not
reached it will continue sleeping. For all other signals behaviuor is
not changed.
 2015-05-28 15:47:51 +02:00
Alexander Kukushkin 9cd7000d7f Merge branch 'master' of github.com:CyberDem0n/governor 2015-05-28 13:04:49 +02:00
Alexander Kukushkin cd5e589620 Revert previous commit (restore sigchld_handler) 2015-05-28 13:04:21 +02:00
Feike Steenbergen 119c56e5d3 Merge pull request #18 from CyberDem0n/master 
Set handler of SIGCHLD to SIG_IGN
 2015-05-28 12:43:05 +02:00
Alexander Kukushkin f76f77e964 Ignore SIGCHLD instead of processing it. 
This way time.sleep wont be interrupted when some external process is
finished and terminated childs would be reaped automatically.
 2015-05-28 12:25:49 +02:00
Alexander Kukushkin 9971d214fe Merge branch 'restapi' of github.com:CyberDem0n/governor into features/refactoring 
Conflicts:
	governor.py
 2015-05-27 14:54:08 +02:00
Alexander Kukushkin 77911144c7 Improve test of governor against real config files 2015-05-27 14:44:52 +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 3e3acc3d3a Do not start listening port during test 2015-05-26 08:59:42 +02:00
Alexander Kukushkin faf295dcd0 Add initialize key into Cluster 2015-05-24 19:26:35 +02:00
Alexander Kukushkin 755f54f266 Improve test coverage for governor.py 2015-05-24 15:42:41 +02:00
Alexander Kukushkin 8dd99170bf Refactor exceptions handling in etcd.py and ha.py 
update_leader can throw EtcdError exception
unused HealthiestMemberError exception is removed
 2015-05-24 15:40:36 +02:00
Alexander Kukushkin 188741de5a Merge branch 'master' of github.com:CyberDem0n/governor into restapi 2015-05-24 09:02:42 +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 d202f72a42 Added simple web server which shows current state of postgres 
Server always returns json which contains some status of postgres:
* instance type: master/slave
* xlog location for master
* xlog received_location, replayed_location
This server could be used by haproxy
GET / returns 200 if there is postgres master behind governor.
GET /slave returns 200 is there is postgres slave behind governor
In all other cases it returns 503
Currently server always listening on 0.0.0.0:8080, but it should be
configurable. In the next versions this rest api could also report some
status of etcd and could be used by is_healthiest_node method
 2015-05-23 20:29:51 +02:00