mirror of https://github.com/citusdata/citus.git
525 lines
14 KiB
Plaintext
525 lines
14 KiB
Plaintext
-- Make sure changes citus.node_conninfo shutdown connections with old settings
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CREATE SCHEMA node_conninfo_reload;
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SET search_path TO node_conninfo_reload;
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SET citus.shard_count TO 4;
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SET citus.shard_replication_factor TO 1;
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SET citus.force_max_query_parallelization TO ON;
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SET citus.next_shard_id TO 278000;
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create table test(a int);
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select create_distributed_table('test', 'a');
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create_distributed_table
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---------------------------------------------------------------------
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(1 row)
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-- Make sure a connection is opened and cached
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select count(*) from test where a = 0;
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count
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---------------------------------------------------------------------
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0
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(1 row)
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show citus.node_conninfo;
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citus.node_conninfo
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---------------------------------------------------------------------
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sslmode=require
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(1 row)
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-- Set sslmode to something that does not work when connecting
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ALTER SYSTEM SET citus.node_conninfo = 'sslmode=doesnotexist';
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select pg_reload_conf();
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pg_reload_conf
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---------------------------------------------------------------------
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t
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(1 row)
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select pg_sleep(0.1); -- wait for config reload to apply
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pg_sleep
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---------------------------------------------------------------------
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(1 row)
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show citus.node_conninfo;
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citus.node_conninfo
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---------------------------------------------------------------------
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sslmode=doesnotexist
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(1 row)
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-- Should give a connection error because of bad sslmode
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select count(*) from test where a = 0;
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ERROR: connection to the remote node postgres@localhost:xxxxx failed with the following error: invalid sslmode value: "doesnotexist"
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-- Reset it again
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ALTER SYSTEM RESET citus.node_conninfo;
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select pg_reload_conf();
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pg_reload_conf
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---------------------------------------------------------------------
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t
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(1 row)
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select pg_sleep(0.1); -- wait for config reload to apply
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pg_sleep
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---------------------------------------------------------------------
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(1 row)
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show citus.node_conninfo;
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citus.node_conninfo
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---------------------------------------------------------------------
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sslmode=require
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(1 row)
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-- Should work again
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select count(*) from test where a = 0;
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count
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---------------------------------------------------------------------
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0
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(1 row)
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ALTER SYSTEM SET citus.node_conninfo = 'sslmode=doesnotexist';
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-- we cannot set application name
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ALTER SYSTEM SET citus.node_conninfo = 'application_name=XXX';
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ERROR: invalid value for parameter "citus.node_conninfo": "application_name=XXX"
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DETAIL: Prohibited conninfo keyword detected: application_name
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BEGIN;
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-- Should still work (no SIGHUP yet);
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select count(*) from test where a = 0;
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count
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---------------------------------------------------------------------
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0
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(1 row)
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select pg_reload_conf();
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pg_reload_conf
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---------------------------------------------------------------------
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t
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(1 row)
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select pg_sleep(0.1); -- wait for config reload to apply
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pg_sleep
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---------------------------------------------------------------------
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(1 row)
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show citus.node_conninfo;
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citus.node_conninfo
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---------------------------------------------------------------------
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sslmode=doesnotexist
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(1 row)
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-- Should work since a connection was already taken from pool for this shard,
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-- since the same placement is accessed it will reuse that connection for this
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-- query
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select count(*) from test where a = 0;
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count
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---------------------------------------------------------------------
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0
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(1 row)
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COMMIT;
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-- Should fail now with connection error, when transaction is finished
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select count(*) from test where a = 0;
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ERROR: connection to the remote node postgres@localhost:xxxxx failed with the following error: invalid sslmode value: "doesnotexist"
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-- Reset it again
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ALTER SYSTEM RESET citus.node_conninfo;
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select pg_reload_conf();
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pg_reload_conf
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---------------------------------------------------------------------
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t
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(1 row)
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select pg_sleep(0.1); -- wait for config reload to apply
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pg_sleep
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---------------------------------------------------------------------
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(1 row)
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show citus.node_conninfo;
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citus.node_conninfo
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---------------------------------------------------------------------
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sslmode=require
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(1 row)
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-- Should work again
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select count(*) from test where a = 0;
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count
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---------------------------------------------------------------------
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0
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(1 row)
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ALTER SYSTEM SET citus.node_conninfo = 'sslmode=doesnotexist';
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BEGIN;
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-- Should still work (no SIGHUP yet);
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INSERT INTO test VALUES(0);
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select pg_reload_conf();
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pg_reload_conf
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---------------------------------------------------------------------
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t
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(1 row)
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select pg_sleep(0.1); -- wait for config reload to apply
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pg_sleep
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---------------------------------------------------------------------
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(1 row)
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show citus.node_conninfo;
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citus.node_conninfo
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---------------------------------------------------------------------
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sslmode=doesnotexist
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(1 row)
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-- Should work since a connection was already taken from pool for this shard,
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-- since the same placement is accessed it will reuse that connection for this
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-- query
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select count(*) from test where a = 0;
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count
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---------------------------------------------------------------------
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1
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(1 row)
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COMMIT;
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-- Should fail now, when transaction is finished
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SET client_min_messages TO ERROR;
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select count(*) from test where a = 0;
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ERROR: connection to the remote node postgres@localhost:xxxxx failed with the following error: invalid sslmode value: "doesnotexist"
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RESET client_min_messages;
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-- Reset it again
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ALTER SYSTEM RESET citus.node_conninfo;
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select pg_reload_conf();
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pg_reload_conf
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---------------------------------------------------------------------
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t
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(1 row)
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select pg_sleep(0.1); -- wait for config reload to apply
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pg_sleep
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---------------------------------------------------------------------
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(1 row)
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show citus.node_conninfo;
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citus.node_conninfo
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---------------------------------------------------------------------
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sslmode=require
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(1 row)
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-- Should work again
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select count(*) from test where a = 0;
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count
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---------------------------------------------------------------------
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1
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(1 row)
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ALTER SYSTEM SET citus.node_conninfo = 'sslmode=doesnotexist';
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BEGIN;
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-- Should still work (no SIGHUP yet);
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INSERT INTO test VALUES(1);
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select pg_reload_conf();
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pg_reload_conf
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---------------------------------------------------------------------
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t
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(1 row)
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select pg_sleep(0.1); -- wait for config reload to apply
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pg_sleep
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---------------------------------------------------------------------
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(1 row)
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show citus.node_conninfo;
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citus.node_conninfo
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---------------------------------------------------------------------
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sslmode=doesnotexist
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(1 row)
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-- Should fail since a different shard is accessed and thus a new connection
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-- will to be created.
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select count(*) from test where a = 0;
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ERROR: connection to the remote node postgres@localhost:xxxxx failed with the following error: invalid sslmode value: "doesnotexist"
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COMMIT;
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-- Should still fail now, when transaction is finished
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select count(*) from test where a = 0;
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ERROR: connection to the remote node postgres@localhost:xxxxx failed with the following error: invalid sslmode value: "doesnotexist"
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-- Reset it again
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ALTER SYSTEM RESET citus.node_conninfo;
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select pg_reload_conf();
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pg_reload_conf
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---------------------------------------------------------------------
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t
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(1 row)
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select pg_sleep(0.1); -- wait for config reload to apply
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pg_sleep
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---------------------------------------------------------------------
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(1 row)
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show citus.node_conninfo;
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citus.node_conninfo
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---------------------------------------------------------------------
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sslmode=require
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(1 row)
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-- Should work again
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select count(*) from test where a = 0;
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count
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---------------------------------------------------------------------
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1
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(1 row)
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ALTER SYSTEM SET citus.node_conninfo = 'sslmode=doesnotexist';
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BEGIN;
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-- Should still work (no SIGHUP yet);
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TRUNCATE test;
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select pg_reload_conf();
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pg_reload_conf
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---------------------------------------------------------------------
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t
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(1 row)
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select pg_sleep(0.1); -- wait for config reload to apply
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pg_sleep
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---------------------------------------------------------------------
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(1 row)
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show citus.node_conninfo;
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citus.node_conninfo
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---------------------------------------------------------------------
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sslmode=doesnotexist
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(1 row)
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-- Should work since truncate grabbed connections for all shards and these are
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-- reused
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select count(*) from test;
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count
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---------------------------------------------------------------------
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0
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(1 row)
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COMMIT;
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-- Should fail now, when transaction is finished
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SET client_min_messages TO ERROR;
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select count(*) from test;
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ERROR: connection to the remote node postgres@localhost:xxxxx failed with the following error: invalid sslmode value: "doesnotexist"
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RESET client_min_messages;
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-- Reset it again
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ALTER SYSTEM RESET citus.node_conninfo;
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select pg_reload_conf();
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pg_reload_conf
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---------------------------------------------------------------------
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t
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(1 row)
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select pg_sleep(0.1); -- wait for config reload to apply
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pg_sleep
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---------------------------------------------------------------------
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(1 row)
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show citus.node_conninfo;
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citus.node_conninfo
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---------------------------------------------------------------------
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sslmode=require
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(1 row)
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-- Should work again
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select count(*) from test where a = 0;
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count
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---------------------------------------------------------------------
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0
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(1 row)
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ALTER SYSTEM SET citus.node_conninfo = 'sslmode=doesnotexist';
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BEGIN;
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-- Should still work (no SIGHUP yet);
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TRUNCATE test;
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select pg_reload_conf();
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pg_reload_conf
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---------------------------------------------------------------------
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t
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(1 row)
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select pg_sleep(0.1); -- wait for config reload to apply
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pg_sleep
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---------------------------------------------------------------------
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(1 row)
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show citus.node_conninfo;
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citus.node_conninfo
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---------------------------------------------------------------------
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sslmode=doesnotexist
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(1 row)
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-- Should fail because of divede by 0 on the coordinator.
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select count(*)/0 from test;
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ERROR: division by zero
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ROLLBACK;
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-- Should fail now, when transaction is finished
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SET client_min_messages TO ERROR;
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select count(*) from test;
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ERROR: connection to the remote node postgres@localhost:xxxxx failed with the following error: invalid sslmode value: "doesnotexist"
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RESET client_min_messages;
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-- Reset it again
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ALTER SYSTEM RESET citus.node_conninfo;
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select pg_reload_conf();
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pg_reload_conf
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---------------------------------------------------------------------
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t
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(1 row)
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select pg_sleep(0.1); -- wait for config reload to apply
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pg_sleep
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---------------------------------------------------------------------
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(1 row)
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show citus.node_conninfo;
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citus.node_conninfo
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---------------------------------------------------------------------
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sslmode=require
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(1 row)
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-- Should work again
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select count(*) from test where a = 0;
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count
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---------------------------------------------------------------------
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0
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(1 row)
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-- Set sslmode to something that does work when connecting
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ALTER SYSTEM SET citus.node_conninfo = 'sslmode=allow';
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select pg_reload_conf();
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pg_reload_conf
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---------------------------------------------------------------------
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t
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(1 row)
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select pg_sleep(0.1); -- wait for config reload to apply
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pg_sleep
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---------------------------------------------------------------------
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(1 row)
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show citus.node_conninfo;
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citus.node_conninfo
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---------------------------------------------------------------------
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sslmode=allow
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(1 row)
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-- Should still work, since sslmode=allow is valid
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select count(*) from test where a = 0;
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count
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---------------------------------------------------------------------
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0
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(1 row)
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-- Set sslmode to the same again (to get more coverage)
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ALTER SYSTEM SET citus.node_conninfo = 'sslmode=allow';
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select pg_reload_conf();
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pg_reload_conf
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---------------------------------------------------------------------
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t
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(1 row)
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select pg_sleep(0.1); -- wait for config reload to apply
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pg_sleep
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---------------------------------------------------------------------
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(1 row)
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show citus.node_conninfo;
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citus.node_conninfo
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---------------------------------------------------------------------
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sslmode=allow
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(1 row)
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-- Should still work
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select count(*) from test where a = 0;
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count
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---------------------------------------------------------------------
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0
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(1 row)
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-- Reset it again
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ALTER SYSTEM RESET citus.node_conninfo;
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select pg_reload_conf();
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pg_reload_conf
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---------------------------------------------------------------------
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t
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(1 row)
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select pg_sleep(0.1); -- wait for config reload to apply
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pg_sleep
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---------------------------------------------------------------------
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(1 row)
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show citus.node_conninfo;
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citus.node_conninfo
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---------------------------------------------------------------------
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sslmode=require
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(1 row)
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-- Should work
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select count(*) from test where a = 0;
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count
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---------------------------------------------------------------------
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0
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(1 row)
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-- Test connecting all the shards
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ALTER SYSTEM SET citus.node_conninfo = 'sslmode=doesnotexist';
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BEGIN;
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ALTER TABLE test ADD COLUMN b INT;
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select pg_reload_conf();
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pg_reload_conf
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---------------------------------------------------------------------
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t
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(1 row)
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select pg_sleep(0.1); -- wait for config reload to apply
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pg_sleep
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---------------------------------------------------------------------
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(1 row)
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show citus.node_conninfo;
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citus.node_conninfo
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---------------------------------------------------------------------
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sslmode=doesnotexist
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(1 row)
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-- Should work since connections to the same shards that BEGIN is sent
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-- are reused.
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ALTER TABLE test ADD COLUMN c INT;
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COMMIT;
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-- Should fail now, when transaction is finished
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ALTER TABLE test ADD COLUMN d INT;
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ERROR: connection to the remote node postgres@localhost:xxxxx failed with the following error: invalid sslmode value: "doesnotexist"
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-- Reset it again
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ALTER SYSTEM RESET citus.node_conninfo;
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select pg_reload_conf();
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pg_reload_conf
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---------------------------------------------------------------------
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t
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(1 row)
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select pg_sleep(0.1); -- wait for config reload to apply
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pg_sleep
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---------------------------------------------------------------------
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(1 row)
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show citus.node_conninfo;
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citus.node_conninfo
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---------------------------------------------------------------------
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sslmode=require
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(1 row)
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-- Should work again
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ALTER TABLE test ADD COLUMN e INT;
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DROP SCHEMA node_conninfo_reload CASCADE;
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NOTICE: drop cascades to table test
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