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Be more forceful in disconnecting connections during failover.

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This commit is contained in:
Guo Xiang Tan 2018-09-04 10:30:56 +08:00
parent ad70502ab8
commit 08b268c5bc
2 changed files with 5 additions and 11 deletions
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2
lib/active_record/connection_adapters/postgresql_fallback_adapter.rb
View File

@ -99,7 +99,7 @@ class PostgreSQLFallbackHandler
end
def clear_connections
ActiveRecord::Base.connection_pool.disconnect
ActiveRecord::Base.connection_pool.disconnect!
end
private

14
spec/components/active_record/connection_adapters/postgresql_fallback_adapter_spec.rb
View File

@ -38,22 +38,18 @@ describe ActiveRecord::ConnectionHandling do
after do
Sidekiq.unpause!
postgresql_fallback_handler.setup!
Discourse.disable_readonly_mode(Discourse::PG_READONLY_MODE_KEY)
ActiveRecord::Base.unstub(:postgresql_connection)
(Thread.list - @threads).each(&:kill)
ActiveRecord::Base.connection_pool.disconnect!
ActiveRecord::Base.establish_connection
end
describe "#postgresql_fallback_connection" do
it 'should return a PostgreSQL adapter' do
begin
connection = ActiveRecord::Base.postgresql_fallback_connection(config)
connection = ActiveRecord::Base.postgresql_fallback_connection(config)
expect(connection)
.to be_an_instance_of(ActiveRecord::ConnectionAdapters::PostgreSQLAdapter)
ensure
connection.disconnect!
end
expect(connection)
.to be_an_instance_of(ActiveRecord::ConnectionAdapters::PostgreSQLAdapter)
end
context 'when master server is down' do
@ -127,8 +123,6 @@ describe ActiveRecord::ConnectionHandling do
expect(Discourse.readonly_mode?).to eq(false)
expect(Sidekiq.paused?).to eq(false)
# fails sometimes on this line!
expect(ActiveRecord::Base.connection_pool.connections.count).to eq(0)
expect(postgresql_fallback_handler.master_down?).to eq(nil)