293 lines
8 KiB
Bash
Executable file
293 lines
8 KiB
Bash
Executable file
#! /bin/sh
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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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### 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 $syslog
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Short-Description: GitLab git repository management
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# Description: GitLab git repository management
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### END INIT INFO
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### Environment variables
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RAILS_ENV="production"
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# Script variable names should be lower-case not to conflict with internal
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# /bin/sh variables such as PATH, EDITOR or SHELL.
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app_user="git"
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app_root="/home/$app_user/gitlab"
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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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### Here ends user configuration ###
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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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# 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 $app_root, exiting!"; exit 1
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fi
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### Init Script functions
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## Gets the pids from the files
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check_pids(){
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if ! mkdir -p "$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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## Called when we have started the two processes and are waiting for their pid files.
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wait_for_pids(){
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# We are sleeping a bit here mostly because sidekiq is slow at writing it's pid
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i=0;
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while [ ! -f $web_server_pid_path -o ! -f $sidekiq_pid_path ]; do
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sleep 0.1;
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i=$((i+1))
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if [ $((i%10)) = 0 ]; then
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echo -n "."
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elif [ $((i)) = 301 ]; then
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echo "Waited 30s for the processes to write their pids, something probably went wrong."
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exit 1;
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fi
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done
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echo
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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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## 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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if [ $web_status = 0 -a $sidekiq_status = 0 ]; then
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gitlab_status=0
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else
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# http://refspecs.linuxbase.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/iniscrptact.html
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# code 3 means 'program is not running'
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gitlab_status=3
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fi
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}
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## Check for stale pids and remove them if necessary.
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check_stale_pids(){
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check_status
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# If there is a pid it is something else than 0, the service is running if
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# *_status is == 0.
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if [ "$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 "$sidekiq_pid_path"; then
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echo "Unable to remove stale pid, exiting"
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exit 1
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fi
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fi
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}
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## If no parts of the service is running, bail out.
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exit_if_not_running(){
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check_stale_pids
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if [ "$web_status" != "0" -a "$sidekiq_status" != "0" ]; then
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echo "GitLab is not running."
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exit
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fi
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}
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## Starts Unicorn and Sidekiq if they're not running.
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start() {
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check_stale_pids
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if [ "$web_status" != "0" -a "$sidekiq_status" != "0" ]; then
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echo -n "Starting both the GitLab Unicorn and Sidekiq"
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elif [ "$web_status" != "0" ]; then
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echo -n "Starting GitLab Sidekiq"
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elif [ "$sidekiq_status" != "0" ]; then
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echo -n "Starting GitLab Unicorn"
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fi
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# Then check if the service is running. If it is: don't start again.
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if [ "$web_status" = "0" ]; then
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echo "The Unicorn web server already running with pid $wpid, not restarting."
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else
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# Remove old socket if it exists
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rm -f "$socket_path"/gitlab.socket 2>/dev/null
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# Start the web server
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RAILS_ENV=$RAILS_ENV script/web start &
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fi
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# If sidekiq is already running, don't start it again.
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if [ "$sidekiq_status" = "0" ]; then
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echo "The Sidekiq job dispatcher is already running with pid $spid, not restarting"
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else
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RAILS_ENV=$RAILS_ENV script/background_jobs start &
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fi
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# Wait for the pids to be planted
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wait_for_pids
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# Finally check the status to tell wether or not GitLab is running
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print_status
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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 [ "$web_status" = "0" -a "$sidekiq_status" = "0" ]; then
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echo -n "Shutting down both Unicorn and Sidekiq"
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elif [ "$web_status" = "0" ]; then
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echo -n "Shutting down Sidekiq"
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elif [ "$sidekiq_status" = "0" ]; then
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echo -n "Shutting down Unicorn"
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fi
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# If the Unicorn web server is running, tell it to stop;
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if [ "$web_status" = "0" ]; then
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RAILS_ENV=$RAILS_ENV script/web stop
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fi
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# And do the same thing for the Sidekiq.
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if [ "$sidekiq_status" = "0" ]; then
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RAILS_ENV=$RAILS_ENV script/background_jobs stop
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fi
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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 [ "$web_status" = "0" -o "$sidekiq_status" = "0" ]; do
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sleep 1
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check_status
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printf "."
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if [ "$web_status" != "0" -a "$sidekiq_status" != "0" ]; then
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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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print_status
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}
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## Prints the status of GitLab and it's components.
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print_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 web server with pid $wpid is running."
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else
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printf "The GitLab Unicorn web server is \033[31mnot running\033[0m.\n"
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fi
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if [ "$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 "$sidekiq_status" = "0" ]; then
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printf "GitLab and all its components are \033[32mup and running\033[0m.\n"
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fi
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}
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## Tells unicorn to reload it's config and Sidekiq to restart
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reload(){
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exit_if_not_running
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if [ "$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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RAILS_ENV=$RAILS_ENV script/web reload
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echo "Done."
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echo "Restarting GitLab Sidekiq since it isn't capable of reloading its config..."
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RAILS_ENV=$RAILS_ENV script/background_jobs restart
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wait_for_pids
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print_status
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}
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## Restarts Sidekiq and Unicorn.
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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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### Finally the input handling.
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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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print_status
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exit $gitlab_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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exit
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