debian-mirror-gitlab/lib/support/init.d/gitlab
2016-04-02 18:10:28 +05:30

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#! /bin/sh
# GITLAB
# Maintainer: @randx
# Authors: rovanion.luckey@gmail.com, @randx
### BEGIN INIT INFO
# Provides: gitlab
# Required-Start: $local_fs $remote_fs $network $syslog redis-server
# Required-Stop: $local_fs $remote_fs $network $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: GitLab git repository management
# Description: GitLab git repository management
# chkconfig: - 85 14
### END INIT INFO
###
# DO NOT EDIT THIS FILE!
# This file will be overwritten on update.
# Instead add/change your variables in /etc/default/gitlab
# An example defaults file can be found in lib/support/init.d/gitlab.default.example
###
### Environment variables
RAILS_ENV="production"
# Script variable names should be lower-case not to conflict with
# internal /bin/sh variables such as PATH, EDITOR or SHELL.
app_user="git"
app_root="/home/$app_user/gitlab"
pid_path="$app_root/tmp/pids"
socket_path="$app_root/tmp/sockets"
rails_socket="$socket_path/gitlab.socket"
web_server_pid_path="$pid_path/unicorn.pid"
sidekiq_pid_path="$pid_path/sidekiq.pid"
mail_room_enabled=false
mail_room_pid_path="$pid_path/mail_room.pid"
gitlab_workhorse_dir=$(cd $app_root/../gitlab-workhorse 2> /dev/null && pwd)
gitlab_workhorse_pid_path="$pid_path/gitlab-workhorse.pid"
gitlab_workhorse_options="-listenUmask 0 -listenNetwork unix -listenAddr $socket_path/gitlab-workhorse.socket -authBackend http://127.0.0.1:8080 -authSocket $rails_socket -documentRoot $app_root/public"
gitlab_workhorse_log="$app_root/log/gitlab-workhorse.log"
shell_path="/bin/bash"
# Read configuration variable file if it is present
test -f /etc/default/gitlab && . /etc/default/gitlab
# Switch to the app_user if it is not he/she who is running the script.
if [ `whoami` != "$app_user" ]; then
eval su - "$app_user" -c $(echo \")$shell_path -l -c \'$0 "$@"\'$(echo \"); exit;
fi
# Switch to the gitlab path, exit on failure.
if ! cd "$app_root" ; then
echo "Failed to cd into $app_root, exiting!"; exit 1
fi
### Init Script functions
## Gets the pids from the files
check_pids(){
if ! mkdir -p "$pid_path"; then
echo "Could not create the path $pid_path needed to store the pids."
exit 1
fi
# If there exists a file which should hold the value of the Unicorn pid: read it.
if [ -f "$web_server_pid_path" ]; then
wpid=$(cat "$web_server_pid_path")
else
wpid=0
fi
if [ -f "$sidekiq_pid_path" ]; then
spid=$(cat "$sidekiq_pid_path")
else
spid=0
fi
if [ -f "$gitlab_workhorse_pid_path" ]; then
hpid=$(cat "$gitlab_workhorse_pid_path")
else
hpid=0
fi
if [ "$mail_room_enabled" = true ]; then
if [ -f "$mail_room_pid_path" ]; then
mpid=$(cat "$mail_room_pid_path")
else
mpid=0
fi
fi
}
## Called when we have started the two processes and are waiting for their pid files.
wait_for_pids(){
# We are sleeping a bit here mostly because sidekiq is slow at writing its pid
i=0;
while [ ! -f $web_server_pid_path ] || [ ! -f $sidekiq_pid_path ] || [ ! -f $gitlab_workhorse_pid_path ] || { [ "$mail_room_enabled" = true ] && [ ! -f $mail_room_pid_path ]; }; do
sleep 0.1;
i=$((i+1))
if [ $((i%10)) = 0 ]; then
echo -n "."
elif [ $((i)) = 301 ]; then
echo "Waited 30s for the processes to write their pids, something probably went wrong."
exit 1;
fi
done
echo
}
# We use the pids in so many parts of the script it makes sense to always check them.
# Only after start() is run should the pids change. Sidekiq sets its own pid.
check_pids
## Checks whether the different parts of the service are already running or not.
check_status(){
check_pids
# If the web server is running kill -0 $wpid returns true, or rather 0.
# Checks of *_status should only check for == 0 or != 0, never anything else.
if [ $wpid -ne 0 ]; then
kill -0 "$wpid" 2>/dev/null
web_status="$?"
else
web_status="-1"
fi
if [ $spid -ne 0 ]; then
kill -0 "$spid" 2>/dev/null
sidekiq_status="$?"
else
sidekiq_status="-1"
fi
if [ $hpid -ne 0 ]; then
kill -0 "$hpid" 2>/dev/null
gitlab_workhorse_status="$?"
else
gitlab_workhorse_status="-1"
fi
if [ "$mail_room_enabled" = true ]; then
if [ $mpid -ne 0 ]; then
kill -0 "$mpid" 2>/dev/null
mail_room_status="$?"
else
mail_room_status="-1"
fi
fi
if [ $web_status = 0 ] && [ $sidekiq_status = 0 ] && [ $gitlab_workhorse_status = 0 ] && { [ "$mail_room_enabled" != true ] || [ $mail_room_status = 0 ]; }; then
gitlab_status=0
else
# http://refspecs.linuxbase.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/iniscrptact.html
# code 3 means 'program is not running'
gitlab_status=3
fi
}
## Check for stale pids and remove them if necessary.
check_stale_pids(){
check_status
# If there is a pid it is something else than 0, the service is running if
# *_status is == 0.
if [ "$wpid" != "0" ] && [ "$web_status" != "0" ]; then
echo "Removing stale Unicorn web server pid. This is most likely caused by the web server crashing the last time it ran."
if ! rm "$web_server_pid_path"; then
echo "Unable to remove stale pid, exiting."
exit 1
fi
fi
if [ "$spid" != "0" ] && [ "$sidekiq_status" != "0" ]; then
echo "Removing stale Sidekiq job dispatcher pid. This is most likely caused by Sidekiq crashing the last time it ran."
if ! rm "$sidekiq_pid_path"; then
echo "Unable to remove stale pid, exiting"
exit 1
fi
fi
if [ "$hpid" != "0" ] && [ "$gitlab_workhorse_status" != "0" ]; then
echo "Removing stale gitlab-workhorse pid. This is most likely caused by gitlab-workhorse crashing the last time it ran."
if ! rm "$gitlab_workhorse_pid_path"; then
echo "Unable to remove stale pid, exiting"
exit 1
fi
fi
if [ "$mail_room_enabled" = true ] && [ "$mpid" != "0" ] && [ "$mail_room_status" != "0" ]; then
echo "Removing stale MailRoom job dispatcher pid. This is most likely caused by MailRoom crashing the last time it ran."
if ! rm "$mail_room_pid_path"; then
echo "Unable to remove stale pid, exiting"
exit 1
fi
fi
}
## If no parts of the service is running, bail out.
exit_if_not_running(){
check_stale_pids
if [ "$web_status" != "0" ] && [ "$sidekiq_status" != "0" ] && [ "$gitlab_workhorse_status" != "0" ] && { [ "$mail_room_enabled" != true ] || [ "$mail_room_status" != "0" ]; }; then
echo "GitLab is not running."
exit
fi
}
## Starts Unicorn and Sidekiq if they're not running.
start_gitlab() {
check_stale_pids
if [ "$web_status" != "0" ]; then
echo "Starting GitLab Unicorn"
fi
if [ "$sidekiq_status" != "0" ]; then
echo "Starting GitLab Sidekiq"
fi
if [ "$gitlab_workhorse_status" != "0" ]; then
echo "Starting gitlab-workhorse"
fi
if [ "$mail_room_enabled" = true ] && [ "$mail_room_status" != "0" ]; then
echo "Starting GitLab MailRoom"
fi
# Then check if the service is running. If it is: don't start again.
if [ "$web_status" = "0" ]; then
echo "The Unicorn web server already running with pid $wpid, not restarting."
else
# Remove old socket if it exists
rm -f "$rails_socket" 2>/dev/null
# Start the web server
RAILS_ENV=$RAILS_ENV bin/web start
fi
# If sidekiq is already running, don't start it again.
if [ "$sidekiq_status" = "0" ]; then
echo "The Sidekiq job dispatcher is already running with pid $spid, not restarting"
else
RAILS_ENV=$RAILS_ENV bin/background_jobs start &
fi
if [ "$gitlab_workhorse_status" = "0" ]; then
echo "The gitlab-workhorse is already running with pid $spid, not restarting"
else
# No need to remove a socket, gitlab-workhorse does this itself.
# Because gitlab-workhorse has multiple executables we need to fix
# the PATH.
$app_root/bin/daemon_with_pidfile $gitlab_workhorse_pid_path \
/usr/bin/env PATH=$gitlab_workhorse_dir:$PATH \
gitlab-workhorse $gitlab_workhorse_options \
>> $gitlab_workhorse_log 2>&1 &
fi
if [ "$mail_room_enabled" = true ]; then
# If MailRoom is already running, don't start it again.
if [ "$mail_room_status" = "0" ]; then
echo "The MailRoom email processor is already running with pid $mpid, not restarting"
else
RAILS_ENV=$RAILS_ENV bin/mail_room start &
fi
fi
# Wait for the pids to be planted
wait_for_pids
# Finally check the status to tell wether or not GitLab is running
print_status
}
## Asks Unicorn, Sidekiq and MailRoom if they would be so kind as to stop, if not kills them.
stop_gitlab() {
exit_if_not_running
if [ "$web_status" = "0" ]; then
echo "Shutting down GitLab Unicorn"
RAILS_ENV=$RAILS_ENV bin/web stop
fi
if [ "$sidekiq_status" = "0" ]; then
echo "Shutting down GitLab Sidekiq"
RAILS_ENV=$RAILS_ENV bin/background_jobs stop
fi
if [ "$gitlab_workhorse_status" = "0" ]; then
echo "Shutting down gitlab-workhorse"
kill -- $(cat $gitlab_workhorse_pid_path)
fi
if [ "$mail_room_enabled" = true ] && [ "$mail_room_status" = "0" ]; then
echo "Shutting down GitLab MailRoom"
RAILS_ENV=$RAILS_ENV bin/mail_room stop
fi
# If something needs to be stopped, lets wait for it to stop. Never use SIGKILL in a script.
while [ "$web_status" = "0" ] || [ "$sidekiq_status" = "0" ] || [ "$gitlab_workhorse_status" = "0" ] || { [ "$mail_room_enabled" = true ] && [ "$mail_room_status" = "0" ]; }; do
sleep 1
check_status
printf "."
if [ "$web_status" != "0" ] && [ "$sidekiq_status" != "0" ] && [ "$gitlab_workhorse_status" != "0" ] && { [ "$mail_room_enabled" != true ] || [ "$mail_room_status" != "0" ]; }; then
printf "\n"
break
fi
done
sleep 1
# Cleaning up unused pids
rm "$web_server_pid_path" 2>/dev/null
# rm "$sidekiq_pid_path" 2>/dev/null # Sidekiq seems to be cleaning up its own pid.
rm -f "$gitlab_workhorse_pid_path"
if [ "$mail_room_enabled" = true ]; then
rm "$mail_room_pid_path" 2>/dev/null
fi
print_status
}
## Prints the status of GitLab and its components.
print_status() {
check_status
if [ "$web_status" != "0" ] && [ "$sidekiq_status" != "0" ] && [ "$gitlab_workhorse_status" != "0" ] && { [ "$mail_room_enabled" != true ] || [ "$mail_room_status" != "0" ]; }; then
echo "GitLab is not running."
return
fi
if [ "$web_status" = "0" ]; then
echo "The GitLab Unicorn web server with pid $wpid is running."
else
printf "The GitLab Unicorn web server is \033[31mnot running\033[0m.\n"
fi
if [ "$sidekiq_status" = "0" ]; then
echo "The GitLab Sidekiq job dispatcher with pid $spid is running."
else
printf "The GitLab Sidekiq job dispatcher is \033[31mnot running\033[0m.\n"
fi
if [ "$gitlab_workhorse_status" = "0" ]; then
echo "The gitlab-workhorse with pid $hpid is running."
else
printf "The gitlab-workhorse is \033[31mnot running\033[0m.\n"
fi
if [ "$mail_room_enabled" = true ]; then
if [ "$mail_room_status" = "0" ]; then
echo "The GitLab MailRoom email processor with pid $mpid is running."
else
printf "The GitLab MailRoom email processor is \033[31mnot running\033[0m.\n"
fi
fi
if [ "$web_status" = "0" ] && [ "$sidekiq_status" = "0" ] && [ "$gitlab_workhorse_status" = "0" ] && { [ "$mail_room_enabled" != true ] || [ "$mail_room_status" = "0" ]; }; then
printf "GitLab and all its components are \033[32mup and running\033[0m.\n"
fi
}
## Tells unicorn to reload its config and Sidekiq to restart
reload_gitlab(){
exit_if_not_running
if [ "$wpid" = "0" ];then
echo "The GitLab Unicorn Web server is not running thus its configuration can't be reloaded."
exit 1
fi
printf "Reloading GitLab Unicorn configuration... "
RAILS_ENV=$RAILS_ENV bin/web reload
echo "Done."
echo "Restarting GitLab Sidekiq since it isn't capable of reloading its config..."
RAILS_ENV=$RAILS_ENV bin/background_jobs restart
if [ "$mail_room_enabled" != true ]; then
echo "Restarting GitLab MailRoom since it isn't capable of reloading its config..."
RAILS_ENV=$RAILS_ENV bin/mail_room restart
fi
wait_for_pids
print_status
}
## Restarts Sidekiq and Unicorn.
restart_gitlab(){
check_status
if [ "$web_status" = "0" ] || [ "$sidekiq_status" = "0" ] || [ "$gitlab_workhorse" = "0" ] || { [ "$mail_room_enabled" = true ] && [ "$mail_room_status" = "0" ]; }; then
stop_gitlab
fi
start_gitlab
}
### Finally the input handling.
case "$1" in
start)
start_gitlab
;;
stop)
stop_gitlab
;;
restart)
restart_gitlab
;;
reload|force-reload)
reload_gitlab
;;
status)
print_status
exit $gitlab_status
;;
*)
echo "Usage: service gitlab {start|stop|restart|reload|status}"
exit 1
;;
esac
exit