261 lines
		
	
	
		
			6.9 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
			
		
		
	
	
			261 lines
		
	
	
		
			6.9 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
| #! /bin/sh
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| 
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| # GITLAB
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| # Maintainer: @randx
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| # Authors: rovanion.luckey@gmail.com, @randx
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| # App Version: 6.0
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| 
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| ### BEGIN INIT INFO
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| # Provides:          gitlab
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| # Required-Start:    $local_fs $remote_fs $network $syslog redis-server
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| # Required-Stop:     $local_fs $remote_fs $network $syslog
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| # Default-Start:     2 3 4 5
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| # Default-Stop:      0 1 6
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| # Short-Description: GitLab git repository management
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| # Description:       GitLab git repository management
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| ### END INIT INFO
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| 
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| ### Environment variables
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| RAILS_ENV="production"
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| 
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| # Script variable names should be lower-case not to conflict with internal
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| # /bin/sh variables such as PATH, EDITOR or SHELL.
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| app_root="/home/git/gitlab"
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| app_user="git"
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| unicorn_conf="$app_root/config/unicorn.rb"
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| pid_path="$app_root/tmp/pids"
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| socket_path="$app_root/tmp/sockets"
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| web_server_pid_path="$pid_path/unicorn.pid"
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| sidekiq_pid_path="$pid_path/sidekiq.pid"
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| 
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| 
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| 
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| ### Here ends user configuration ###
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| 
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| 
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| # Switch to the app_user if it is not he/she who is running the script.
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| if [ "$USER" != "$app_user" ]; then
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|   sudo -u "$app_user" -H -i $0 "$@"; exit;
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| fi
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| 
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| # Switch to the gitlab path, if it fails exit with an error.
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| if ! cd "$app_root" ; then
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|  echo "Failed to cd into $app_root, exiting!";  exit 1
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| fi
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| 
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| ### Init Script functions
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| 
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| check_pids(){
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|   if ! mkdir -p "$pid_path"; then
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|     echo "Could not create the path $pid_path needed to store the pids."
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|     exit 1
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|   fi
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|   # If there exists a file which should hold the value of the Unicorn pid: read it.
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|   if [ -f "$web_server_pid_path" ]; then
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|     wpid=$(cat "$web_server_pid_path")
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|   else
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|     wpid=0
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|   fi
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|   if [ -f "$sidekiq_pid_path" ]; then
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|     spid=$(cat "$sidekiq_pid_path")
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|   else
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|     spid=0
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|   fi
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| }
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| 
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| # We use the pids in so many parts of the script it makes sense to always check them.
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| # Only after start() is run should the pids change. Sidekiq sets it's own pid.
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| check_pids
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| 
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| 
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| # Checks whether the different parts of the service are already running or not.
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| check_status(){
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|   check_pids
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|   # If the web server is running kill -0 $wpid returns true, or rather 0.
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|   # Checks of *_status should only check for == 0 or != 0, never anything else.
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|   if [ $wpid -ne 0 ]; then
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|     kill -0 "$wpid" 2>/dev/null
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|     web_status="$?"
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|   else
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|     web_status="-1"
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|   fi
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|   if [ $spid -ne 0 ]; then
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|     kill -0 "$spid" 2>/dev/null
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|     sidekiq_status="$?"
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|   else
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|     sidekiq_status="-1"
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|   fi
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| }
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| 
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| # Check for stale pids and remove them if necessary
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| check_stale_pids(){
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|   check_status
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|   # If there is a pid it is something else than 0, the service is running if
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|   # *_status is == 0.
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|   if [ "$wpid" != "0" -a "$web_status" != "0" ]; then
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|     echo "Removing stale Unicorn web server pid. This is most likely caused by the web server crashing the last time it ran."
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|     if ! rm "$web_server_pid_path"; then
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|       echo "Unable to remove stale pid, exiting"
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|       exit 1
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|     fi
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|   fi
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|   if [ "$spid" != "0" -a "$sidekiq_status" != "0" ]; then
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|     echo "Removing stale Sidekiq web server pid. This is most likely caused by the Sidekiq crashing the last time it ran."
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|     if ! rm "$sidekiq_pid_path"; then
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|       echo "Unable to remove stale pid, exiting"
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|       exit 1
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|     fi
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|   fi
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| }
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| 
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| # If no parts of the service is running, bail out.
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| exit_if_not_running(){
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|   check_stale_pids
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|   if [ "$web_status" != "0" -a "$sidekiq_status" != "0" ]; then
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|     echo "GitLab is not running."
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|     exit
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|   fi
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| }
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| 
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| # Starts Unicorn and Sidekiq.
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| start() {
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|   check_stale_pids
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| 
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|   # Then check if the service is running. If it is: don't start again.
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|   if [ "$web_status" = "0" ]; then
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|     echo "The Unicorn web server already running with pid $wpid, not restarting."
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|   else
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|     echo "Starting the GitLab Unicorn web server..."
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|     # Remove old socket if it exists
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|     rm -f "$socket_path"/gitlab.socket 2>/dev/null
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|     # Start the webserver
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|     bundle exec unicorn_rails -D -c "$unicorn_conf" -E "$RAILS_ENV"
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|   fi
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| 
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|   # If sidekiq is already running, don't start it again.
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|   if [ "$sidekiq_status" = "0" ]; then
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|     echo "The Sidekiq job dispatcher is already running with pid $spid, not restarting"
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|   else
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|     echo "Starting the GitLab Sidekiq event dispatcher..."
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|     RAILS_ENV=$RAILS_ENV bundle exec rake sidekiq:start
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|     # We are sleeping a bit here because sidekiq is slow at writing it's pid
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|     sleep 2
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|   fi
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| 
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|   # Finally check the status to tell wether or not GitLab is running
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|   status
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| }
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| 
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| # Asks the Unicorn and the Sidekiq if they would be so kind as to stop, if not kills them.
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| stop() {
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|   exit_if_not_running
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|   # If the Unicorn web server is running, tell it to stop;
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|   if [ "$web_status" = "0" ]; then
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|     kill -QUIT "$wpid"
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|     echo "Stopping the GitLab Unicorn web server..."
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|     stopping=true
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|   else
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|     echo "The Unicorn web was not running, doing nothing."
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|   fi
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|   # And do the same thing for the Sidekiq.
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|   if [ "$sidekiq_status" = "0" ]; then
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|     printf "Stopping Sidekiq job dispatcher."
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|     RAILS_ENV=$RAILS_ENV bundle exec rake sidekiq:stop
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|     stopping=true
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|   else
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|     echo "The Sidekiq was not running, must have run out of breath."
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|   fi
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| 
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| 
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|   # If something needs to be stopped, lets wait for it to stop. Never use SIGKILL in a script.
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|   while [ "$stopping" = "true" ]; do
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|     sleep 1
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|     check_status
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|     if [ "$web_status" = "0" -o "$sidekiq_status" = "0" ]; then
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|       printf "."
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|     else
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|       printf "\n"
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|       break
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|     fi
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|   done
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|   sleep 1
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|   # Cleaning up unused pids
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|   rm "$web_server_pid_path" 2>/dev/null
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|   # rm "$sidekiq_pid_path" # Sidekiq seems to be cleaning up it's own pid.
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| 
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|   status
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| }
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| 
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| # Returns the status of GitLab and it's components
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| status() {
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|   check_status
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|   if [ "$web_status" != "0" -a "$sidekiq_status" != "0" ]; then
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|     echo "GitLab is not running."
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|     return
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|   fi
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|   if [ "$web_status" = "0" ]; then
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|       echo "The GitLab Unicorn webserver with pid $wpid is running."
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|   else
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|       printf "The GitLab Unicorn webserver is \033[31mnot running\033[0m.\n"
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|   fi
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|   if [ "$sidekiq_status" = "0" ]; then
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|       echo "The GitLab Sidekiq job dispatcher with pid $spid is running."
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|   else
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|       printf "The GitLab Sidekiq job dispatcher is \033[31mnot running\033[0m.\n"
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|   fi
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|   if [ "$web_status" = "0" -a "$sidekiq_status" = "0" ]; then
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|     printf "GitLab and all its components are \033[32mup and running\033[0m.\n"
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|   fi
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| }
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| 
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| reload(){
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|   exit_if_not_running
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|   if [ "$wpid" = "0" ];then
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|     echo "The GitLab Unicorn Web server is not running thus its configuration can't be reloaded."
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|     exit 1
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|   fi
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|   printf "Reloading GitLab Unicorn configuration... "
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|   kill -USR2 "$wpid"
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|   echo "Done."
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|   echo "Restarting GitLab Sidekiq since it isn't capable of reloading its config..."
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|   RAILS_ENV=$RAILS_ENV bundle exec rake sidekiq:restart
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|   # Waiting 2 seconds for sidekiq to write it.
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|   sleep 2
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|   status
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| }
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| 
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| restart(){
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|   check_status
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|   if [ "$web_status" = "0" -o "$sidekiq_status" = "0" ]; then
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|     stop
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|   fi
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|   start
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| }
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| 
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| 
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| ## Finally the input handling.
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| 
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| case "$1" in
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|   start)
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|         start
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|         ;;
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|   stop)
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|         stop
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|         ;;
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|   restart)
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|         restart
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|         ;;
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|   reload|force-reload)
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| 	reload
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|         ;;
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|   status)
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|         status
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|         ;;
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|   *)
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|         echo "Usage: service gitlab {start|stop|restart|reload|status}"
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|         exit 1
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|         ;;
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| esac
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| 
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| exit
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