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-rw-r--r--config/unicorn.rb.example37
1 files changed, 8 insertions, 29 deletions
diff --git a/config/unicorn.rb.example b/config/unicorn.rb.example
index e06cce3e97a..4637eb8bc6e 100644
--- a/config/unicorn.rb.example
+++ b/config/unicorn.rb.example
@@ -81,22 +81,16 @@ preload_app true
# fast LAN.
check_client_connection false
+require_relative "/home/git/gitlab/lib/gitlab/cluster/lifecycle_events"
+
before_exec do |server|
- # The following is necessary to ensure stale Prometheus metrics don't
- # accumulate over time. It needs to be done in this hook as opposed to
- # inside an init script to ensure metrics files aren't deleted after new
- # unicorn workers start after a SIGUSR2 is received.
- if ENV['prometheus_multiproc_dir']
- old_metrics = Dir[File.join(ENV['prometheus_multiproc_dir'], '*.db')]
- FileUtils.rm_rf(old_metrics)
- end
+ # Signal application hooks that we're about to restart
+ Gitlab::Cluster::LifecycleEvents.do_master_restart
end
before_fork do |server, worker|
- # the following is highly recommended for Rails + "preload_app true"
- # as there's no need for the master process to hold a connection
- defined?(ActiveRecord::Base) &&
- ActiveRecord::Base.connection.disconnect!
+ # Signal application hooks that we're about to fork
+ Gitlab::Cluster::LifecycleEvents.do_before_fork
# The following is only recommended for memory/DB-constrained
# installations. It is not needed if your system can house
@@ -124,25 +118,10 @@ before_fork do |server, worker|
end
after_fork do |server, worker|
- # Unicorn clears out signals before it forks, so rbtrace won't work
- # unless it is enabled after the fork.
- require 'rbtrace' if ENV['ENABLE_RBTRACE']
+ # Signal application hooks of worker start
+ Gitlab::Cluster::LifecycleEvents.do_worker_start
# per-process listener ports for debugging/admin/migrations
# addr = "127.0.0.1:#{9293 + worker.nr}"
# server.listen(addr, :tries => -1, :delay => 5, :tcp_nopush => true)
-
- # the following is *required* for Rails + "preload_app true",
- defined?(ActiveRecord::Base) &&
- ActiveRecord::Base.establish_connection
-
- # reset prometheus client, this will cause any opened metrics files to be closed
- defined?(::Prometheus::Client.reinitialize_on_pid_change) &&
- Prometheus::Client.reinitialize_on_pid_change
-
- # if preload_app is true, then you may also want to check and
- # restart any other shared sockets/descriptors such as Memcached,
- # and Redis. TokyoCabinet file handles are safe to reuse
- # between any number of forked children (assuming your kernel
- # correctly implements pread()/pwrite() system calls)
end