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139 Commits 15 Branches 66 Tags
42dfaaab3f8a94642cbe6b61a0ee733f136dfe8b
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93 Commits
Author SHA1 Message Date
Oleksii Kliukin 42dfaaab3f write pg_hba.conf for the replica initialized from WAL-E. Temporarily use WAL-e always as a mean to create replica for testing purposes. 2015-05-20 11:47:20 +02:00
Oleksii Kliukin 8a6a7b4cea fix a typo. 2015-05-20 11:47:20 +02:00
Oleksii Kliukin 75b30d8014 save postgresql.conf not only on initdb, but on any start of the server. 2015-05-20 11:47:19 +02:00
Oleksii Kliukin 7a2be131bd save/restore postgresql.conf for WAL-e backups, since WAL-E excludes postgresql.conf from the backup/restore. 2015-05-20 11:47:19 +02:00
Oleksii Kliukin d4b366a7e2 some arithmetics and type conversion fixes. 2015-05-20 11:46:27 +02:00
Oleksii Kliukin 594efe3b64 fix a typo. 2015-05-20 11:46:26 +02:00
Oleksii Kliukin 19a04a81da split arguments for check_output when checking for the latest backup. 2015-05-20 11:46:26 +02:00
Oleksii Kliukin 9e82c3ebd7 add functionality to fetch base backup from wal-e for the new replica creation and code to decide whether to use wal-e or pg_basebackup. 2015-05-20 11:46:26 +02:00
Feike Steenbergen 24c29aee04 Add hostssl entry to pg_hba 2015-05-19 13:03:14 +02:00
Feike Steenbergen f6fc60800a Close connection when querying other members of cluster. 2015-05-18 16:54:36 +02:00
Alexander Kukushkin df855bb8de Merge branch 'master' of github.com:CyberDem0n/governor into features/refactoring 2015-05-18 14:39:39 +02:00
Alexander Kukushkin 520de12232 Remove debug print 2015-05-18 14:39:14 +02:00
Alexander Kukushkin 422512880f last_leader_operation is the propery of Cluster object and the value is set in get_cluster method 2015-05-18 13:43:14 +02:00
Alexander Kukushkin 9a1f0d1bd1 Merge branch 'master' of github.com:CyberDem0n/governor into features/refactoring 
Conflicts:
	helpers/postgresql.py
 2015-05-18 13:38:46 +02:00
Alexander Kukushkin b24fb0488c last_leader_operation is the propery of Cluster object and the value is set in get_cluster method 2015-05-18 13:33:27 +02:00
Alexander Kukushkin d221d1de1c listen_address can have more then one value separated by comma. We will use the first one to connect 2015-05-18 10:53:27 +02:00
Alexander Kukushkin e997911b8d Merge branch 'master' of github.com:CyberDem0n/governor 
Conflicts:
	helpers/postgresql.py
 2015-05-15 16:21:59 +02:00
Alexander Kukushkin 348100752b Open connection to self via listen address 2015-05-15 16:18:31 +02:00
Feike Steenbergen 0b669e0d20 Cleanup 
Removed aws reference from Dockerfile, remove unnecessary steps.
Connect using libpq parameters, therefore providing nice application name for Governor.
 2015-05-15 13:52:20 +02:00
Alexander Kukushkin 5ab99c6589 Get rid from all AWS references here. 
connect_address give possibility to specify listen address and connect
address separetely, so there is no need to determine your external
address by doing requests to amazon api.
 2015-05-15 12:39:05 +02:00
Alexander Kukushkin af9ebfa3b9 Use connect_address instead of listen when building connection_string 2015-05-15 12:20:24 +02:00
Alexander Kukushkin 75ff91d017 rename connection_address to connect_address 2015-05-15 12:13:05 +02:00
Alexander Kukushkin 08865512f8 Differentiate between connection address and listen address 
For example you can listen on 0.0.0.0 but provide service on some
didicated ip. This should cover all possible use-cases when you are
running behind firewall, load balancer or inside for example docker.
 2015-05-15 12:06:04 +02:00
Alexander Kukushkin 2fd81a5135 Merge branch 'master' of github.com:CyberDem0n/governor into features/refactoring 2015-05-15 11:39:25 +02:00
Alexander Kukushkin 274bc14bfb Do not check maximum_lag_on_failover if it is not defined in config file 2015-05-15 11:38:50 +02:00
Alexander Kukushkin 8e5beb5883 Small optimization 2015-05-15 11:25:26 +02:00
Alexander Kukushkin 9487aec842 Bugfix: get_client_path might get into infinite loop when response code is not 200 2015-05-15 11:23:02 +02:00
Alexander Kukushkin e6e19359df Bugfix, write state_handler.name into leader key 2015-05-13 18:04:27 +02:00
Alexander Kukushkin 0c040b8ce2 Merge branch 'master' of github.com:compose/governor 
Conflicts:
	governor.py
	helpers/etcd.py
	helpers/ha.py
	helpers/postgresql.py
 2015-05-13 18:01:01 +02:00
Alexander Kukushkin b4f0909afa Merge branch 'master' of github.com:CyberDem0n/governor into features/refactoring 2015-05-13 17:12:32 +02:00
Alexander Kukushkin 40a4192504 Remove member and leader (is I was the master) keys from etcd on stop of governor 2015-05-13 17:12:17 +02:00
Alexander Kukushkin 3fa0476d8c Merge branch 'master' of github.com:zalando/governor into features/refactoring 2015-05-13 14:58:54 +02:00
Alexander Kukushkin b1f43c1461 Merge branch 'master' of github.com:CyberDem0n/governor into features/refactoring 
Conflicts:
	helpers/postgresql.py
 2015-05-13 14:57:57 +02:00
Alexander Kukushkin d25ad17c32 Add support of python3 2015-05-13 14:53:23 +02:00
Christopher Winslett 2c69074652 move stale protection from is_healthy to is_healthiest to allow stale secondaries to rejoin cluster 2015-05-12 18:29:54 -07:00
Christopher Winslett 557bad37cd ensure a stale Postgres does not become leader 2015-05-12 18:11:12 -07:00
Christopher Winslett a1bc07db33 use TTLs with member listing to keep a current list of cluster members 2015-05-12 16:33:32 -07:00
Feike Steenbergen c4168bfeb5 Bugfix: Headers sent before http status for the pg_status page. 2015-05-12 14:56:02 +02:00
Feike Steenbergen 362b6b4fa2 Made healtcheck port configurable, fixed standalone status page. 2015-05-12 14:48:40 +02:00
Feike Steenbergen ed30684d85 Merge branch 'features/refactoring' of github.com:zalando/governor into feature/status_page 
Conflicts:
	helpers/postgresql.py
 2015-05-12 14:39:51 +02:00
Feike Steenbergen d25fdd41a6 Refactoring of the status page for the healthcheck. 
Less functions, as the code is readable enough without them.
Always return some content to the client, instead of a response only.
 2015-05-12 14:14:20 +02:00
Alexander Kukushkin 17112992d0 Merge branch 'master' of github.com:zalando/governor into features/refactoring 
Conflicts:
	governor.py
 2015-05-12 12:24:09 +02:00
Feike Steenbergen a56b346295 Hardened the health checks and implemented a real status page. 
For the postgresql helper, hardened the code to get "the" cursor of the postgresql instance.
For the statuspage, a small status json is returned.
To find out what status a PostgreSQL cluster is in we use the cursor (instead of the provided query() function), as the query function does some retrying etc. For the healthcheck we want to simple provide an answer to a simple query, if we have to reconnect, we are not *that* healthy anyway.

Dropped catching exceptions in the do_GET block, as the HTTPServer will do that nicely for us anyway.
 2015-05-12 11:58:47 +02:00
Alexander Kukushkin e21e896852 Merge branch 'master' of github.com:CyberDem0n/governor into features/refactoring 2015-05-12 11:08:33 +02:00
Alexander Kukushkin 281b0b8455 Bugfix in has_lock: sometimes leader can be undefined 2015-05-12 11:07:52 +02:00
Alexander Kukushkin 9dcbc75fd2 Bugfix. It wasn't possible to start the old cluster if all its members were shutdown. 
Basically this is rollback to the original decision tree with the small exception:
1 - If leader is defined and it's not me - then slave would be started immidiately
with the correct recovery conf.
2 - If leader is defined in and it's my host, then it will start instance in
readonly (but without primary_conninfo in recovery.conf)
3 - And the third case - if the leader is not defined - it also will start
instance in readonly, without primary_conninfo.
After performing 2 or 3 it will perform usual decision tree.
 2015-05-12 10:19:45 +02:00
Alexander Kukushkin 41942ee722 Merge branch 'master' of github.com:CyberDem0n/governor into features/refactoring 2015-05-12 09:09:49 +02:00
Alexander Kukushkin be7677a1b8 Bugfix, hostname and address are not keys of dict but properties of Member object 2015-05-12 09:08:45 +02:00
Alexander Kukushkin 1370923e84 Merge branch 'master' of github.com:CyberDem0n/governor into features/refactoring 2015-05-11 16:58:26 +02:00
Alexander Kukushkin e2faf641d5 Start slave with the correct recovery.conf on governor start 
Also governor is able to pick up already running master and slave
instances without restarting them.
In case is you have a lock and postgres is not running behaviour remains
the same: it will start master in read only mode and then promote if it
still has the lock.
 2015-05-11 16:50:21 +02:00