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pg_ctl: Add wait option to promote action

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When waiting is selected for the promote action, look into pg_control
until the state changes, then use the PQping-based waiting until the
server is reachable.

Reviewed-by: Michael Paquier <michael.paquier@gmail.com>
This commit is contained in:
Peter Eisentraut
2016-08-05 21:35:19 -04:00
parent ebdf5bf7d1
commit e7010ce479
3 changed files with 72 additions and 20 deletions
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18
src/bin/pg_ctl/t/003_promote.pl
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@@ -3,7 +3,7 @@ use warnings;
use PostgresNode;
use TestLib;
use Test::More tests => 9;
use Test::More tests => 12;
my $tempdir = TestLib::tempdir;
@@ -37,3 +37,19 @@ command_ok([ 'pg_ctl', '-D', $node_standby->data_dir, 'promote' ],
ok($node_standby->poll_query_until('postgres', 'SELECT NOT pg_is_in_recovery()'),
'promoted standby is not in recovery');
# same again with wait option
$node_standby = get_new_node('standby2');
$node_standby->init_from_backup($node_primary, 'my_backup', has_streaming => 1);
$node_standby->start;
is($node_standby->safe_psql('postgres', 'SELECT pg_is_in_recovery()'),
't', 'standby is in recovery');
command_ok([ 'pg_ctl', '-D', $node_standby->data_dir, '-w', 'promote' ],
'pg_ctl -w promote of standby runs');
# no wait here
is($node_standby->safe_psql('postgres', 'SELECT pg_is_in_recovery()'),
'f', 'promoted standby is not in recovery');