File rcwebyast of Package webyast-base

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File rcwebyast of Package webyast-base (Revision 585ae885f67b9a90b455929fe96ba8bf)

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#!/bin/sh
#
#     Copyright (C) 1995--2007  Marcus Rückert, SUSE / Novell Inc.
#
#     This library is free software; you can redistribute it and/or modify it
#     under the terms of the GNU Lesser General Public License as published by
#     the Free Software Foundation; either version 2.1 of the License, or (at
#     your option) any later version.
#
#     This library is distributed in the hope that it will be useful, but
#     WITHOUT ANY WARRANTY; without even the implied warranty of
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
#     Lesser General Public License for more details.
#
#     You should have received a copy of the GNU Lesser General Public
#     License along with this library; if not, write to the Free Software
#     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307,
#     USA.
#
# /etc/init.d/webyast
#   and its symbolic link
# /(usr/)sbin/rcwebyast
#
#
# LSB compatible service control script; see http://www.linuxbase.org/spec/
#
# Note: This template uses functions rc_XXX defined in /etc/rc.status on
# UnitedLinux/SUSE/Novell based Linux distributions. If you want to base your
# script on this template and ensure that it works on non UL based LSB
# compliant Linux distributions, you either have to provide the rc.status
# functions from UL or change the script to work without them.
# See skeleton.compat for a template that works with other distros as well.
#
### BEGIN INIT INFO
# Provides:          webyast
# Required-Start:    $syslog $remote_fs $network
# Should-Start: $time ypbind sendmail
# Required-Stop:     $syslog $remote_fs $network
# Should-Stop: $time ypbind sendmail
# Default-Start:     3 5
# Default-Stop:      0 1 2 6
# Short-Description: webyast
# Description:       Start webyast
### END INIT INFO
#
# Any extensions to the keywords given above should be preceeded by
# X-VendorTag- (X-UnitedLinux- X-SuSE- for us) according to LSB.
#
# Notes on Required-Start/Should-Start:
# * There are two different issues that are solved by Required-Start
#    and Should-Start
# (a) Hard dependencies: This is used by the runlevel editor to determine
#     which services absolutely need to be started to make the start of
#     this service make sense. Example: nfsserver should have
#     Required-Start: $portmap
#     Also, required services are started before the dependent ones.
#     The runlevel editor will warn about such missing hard dependencies
#     and suggest enabling. During system startup, you may expect an error,
#     if the dependency is not fulfilled.
# (b) Specifying the init script ordering, not real (hard) dependencies.
#     This is needed by insserv to determine which service should be
#     started first (and at a later stage what services can be started
#     in parallel). The tag Should-Start: is used for this.
#     It tells, that if a service is available, it should be started
#     before. If not, never mind.
# * When specifying hard dependencies or ordering requirements, you can
#   use names of services (contents of their Provides: section)
#   or pseudo names starting with a $. The following ones are available
#   according to LSB (1.1):
#	$local_fs		all local file systems are mounted
#				(most services should need this!)
#	$remote_fs		all remote file systems are mounted
#				(note that /usr may be remote, so
#				 many services should Require this!)
#	$syslog			system logging facility up
#	$network		low level networking (eth card, ...)
#	$named			hostname resolution available
#	$netdaemons		all network daemons are running
#   The $netdaemons pseudo service has been removed in LSB 1.2.
#   For now, we still offer it for backward compatibility.
#   These are new (LSB 1.2):
#	$time			the system time has been set correctly
#	$portmap		SunRPC portmapping service available
#   UnitedLinux extensions:
#	$ALL			indicates that a script should be inserted
#				at the end
# * The services specified in the stop tags
#   (Required-Stop/Should-Stop)
#   specify which services need to be still running when this service
#   is shut down. Often the entries there are just copies or a subset
#   from the respective start tag.
# * Should-Start/Stop are now part of LSB as of 2.0,
#   formerly SUSE/Unitedlinux used X-UnitedLinux-Should-Start/-Stop.
#   insserv does support both variants.
# * X-UnitedLinux-Default-Enabled: yes/no is used at installation time
#   (%fillup_and_insserv macro in %post of many RPMs) to specify whether
#   a startup script should default to be enabled after installation.
#   It's not used by insserv.
#
# Note on runlevels:
# 0 - halt/poweroff 			6 - reboot
# 1 - single user			2 - multiuser without network exported
# 3 - multiuser w/ network (text mode)  5 - multiuser w/ network and X11 (xdm)
#
# Note on script names:
# http://www.linuxbase.org/spec/refspecs/LSB_1.3.0/gLSB/gLSB/scrptnames.html
# A registry has been set up to manage the init script namespace.
# http://www.lanana.org/
# Please use the names already registered or register one or use a
# vendor prefix.

# Check for missing binaries (stale symlinks should not happen)
# Note: Special treatment of stop for LSB conformance
NGINX_BIN=/usr/sbin/nginx
test -x $NGINX_BIN || { echo "$NGINX_BIN not installed";
	if [ "$1" = "stop" ]; then exit 0;
	else exit 5; fi; }

# Check for existence of needed config file and read it
NGINX_CONFIG=/etc/webyast/nginx.conf
test -r $NGINX_CONFIG || { echo "$NGINX_CONFIG not existing";
	if [ "$1" = "stop" ]; then exit 0;
	else exit 6; fi; }

PID_FILE=/var/run/webyast.pid
RESTART_FILE="/var/lib/webyast/restart"

CERTIFICATEFILE=/etc/nginx/certs/webyast.pem
CERTKEYFILE=/etc/nginx/certs/webyast.key
COMBINEDCERTFILE=/etc/nginx/certs/webyast-combined.pem
GEMFILE_LOCK=/srv/www/webyast/Gemfile.lock

# Source LSB init functions
# providing start_daemon, killproc, pidofproc,
# log_success_msg, log_failure_msg and log_warning_msg.
# This is currently not used by UnitedLinux based distributions and
# not needed for init scripts for UnitedLinux only. If it is used,
# the functions from rc.status should not be sourced or used.
#. /lib/lsb/init-functions

# Shell functions sourced from /etc/rc.status:
#      rc_check         check and set local and overall rc status
#      rc_status        check and set local and overall rc status
#      rc_status -v     be verbose in local rc status and clear it afterwards
#      rc_status -v -r  ditto and clear both the local and overall rc status
#      rc_status -s     display "skipped" and exit with status 3
#      rc_status -u     display "unused" and exit with status 3
#      rc_failed        set local and overall rc status to failed
#      rc_failed <num>  set local and overall rc status to <num>
#      rc_reset         clear both the local and overall rc status
#      rc_exit          exit appropriate to overall rc status
#      rc_active        checks whether a service is activated by symlinks
. /etc/rc.status

# Reset status of this service
rc_reset

# Return values acc. to LSB for all commands but status:
# 0	  - success
# 1       - generic or unspecified error
# 2       - invalid or excess argument(s)
# 3       - unimplemented feature (e.g. "reload")
# 4       - user had insufficient privileges
# 5       - program is not installed
# 6       - program is not configured
# 7       - program is not running
# 8--199  - reserved (8--99 LSB, 100--149 distrib, 150--199 appl)
#
# Note that starting an already running service, stopping
# or restarting a not-running service as well as the restart
# with force-reload (in case signaling is not supported) are
# considered a success.

# set default file permissions to -rw------
# (log files should not be readable by all)
umask 0066

case "$1" in
    start)
    echo -n "Starting WebYaST "
    if [ ! -e  $COMBINEDCERTFILE ]
    then
        echo -e "\nNo WebYaST certificate found, creating one now..."
        LOG_FILE="/var/log/webyast/check-create-certificate.log"
        if ! /usr/sbin/check-create-certificate -c -C $CERTIFICATEFILE -K $CERTKEYFILE -B $COMBINEDCERTFILE -D webyast -O WebYaST -U WebYaST > $LOG_FILE 2>&1
        then
            echo -n "Can not create certificate. Please see $LOG_FILE for details."
            rc_failed
            rc_status -v
            rc_exit
        fi
        chown nginx:nginx $CERTIFICATEFILE $CERTKEYFILE $COMBINEDCERTFILE
	echo -n "WebYaST certificate: "
	openssl x509 -in $CERTIFICATEFILE -fingerprint -noout
    fi
        # refresh the Gemfile.lock content before starting the server
        # (outdated file can cause problems after upgrading needed rubygems)
	rm -f $GEMFILE_LOCK
  #generate deployment specific secret key (bnc#591345)
  SECRET=`cd /srv/www/webyast/ && rake -s secret`

# make the lock file readable for all
    chmod a+r $GEMFILE_LOCK
  if [ -z $SECRET ]; then
    echo -n "Cannot generate secret for session. Run 'cd /srv/www/webyast/ && rake -s secret' for details."
    rc_failed
    rc_status -v
    rc_exit
  fi
  sed -i 's/a25bdf1cfcaea649ced4549e9d2b2b6ad4cf077badc774ca034a7ba57ae17f6e1185ed07bcc4ac20fb2d062d2afa975024fca03ede7b4c5002ca68386caa27a0/'"$SECRET"/ /srv/www/webyast/config/initializers/secret_token.rb

# clear cache (drop possibly obsoleted values)
	(cd /srv/www/webyast/ && rake -s tmp:cache:clear)

# restart file present - do some additional update actions
        # (Webyast was probably installed/updated by plain RPM)
        if [ -f $RESTART_FILE ]; then
            # TODO: use /usr/sbin/update_webyast_service (but fix possible endless loop)
            (umask 0033 && cd /srv/www/webyast/ && rake -s -f lib/tasks/assets.rake assets:join_manifests)

rm $RESTART_FILE
        fi

## Start daemon with startproc(8). If this fails
	## the return value is set appropriately by startproc.
	/sbin/startproc -p $PID_FILE $NGINX_BIN -c $NGINX_CONFIG

# Remember status and be verbose
	rc_status -v

if [ -n "$HNAME" ]; then
		HNAME=" (https://$HNAME:$PORT/)"
	    fi

if [ -n "$IP" ]; then
                echo -e "\t${done}WebYaST is running at https://$IP:$PORT/${HNAME}${norm}\n"
            else
                echo -e "\t${warn}WebYaST could not determine the IP address for $IFC${norm}\n"
            fi
        fi
	;;
    stop)
	echo -n "Shutting down webyast "
	## Stop daemon with killproc(8) and if this fails
	## killproc sets the return value according to LSB.

/sbin/killproc -TERM -p $PID_FILE $NGINX_BIN

# Remember status and be verbose
	rc_status -v
	;;
    try-restart|condrestart)
	## Do a restart only if the service was active before.
	## Note: try-restart is now part of LSB (as of 1.9).
	## RH has a similar command named condrestart.
	if test "$1" = "condrestart"; then
		echo "${attn} Use try-restart ${done}(LSB)${attn} rather than condrestart ${warn}(RH)${norm}"
	fi
	$0 status
	if test $? = 0; then
		$0 restart
	else
		rc_reset	# Not running is not a failure.
	fi
	# Remember status and be quiet
	rc_status
	;;
    restart)
	## Stop the service and regardless of whether it was
	## running or not, start it again.
	$0 stop
	$0 start

# Remember status and be quiet
	rc_status
	;;
    force-reload)
	## Signal the daemon to reload its config. Most daemons
	## do this on signal 1 (SIGHUP).
	## If it does not support it, restart the service if it
	## is running.

echo -n "Reload service webyast "
	## if it supports it:
	/sbin/killproc -p $PID_FILE -HUP $NGINX_BIN
	rc_status -v

## Otherwise:
	#$0 try-restart
	#rc_status
	;;
    reload)
	## Like force-reload, but if daemon does not support
	## signaling, do nothing (!)

# If it supports signaling:
	echo -n "Reload service webyast "
	/sbin/killproc -HUP -p $PID_FILE $NGINX_BIN
	#touch /var/run/webyast.pid
	rc_status -v

## Otherwise if it does not support reload:
	#rc_failed 3
	#rc_status -v
	;;
    status)
	echo -n "Checking for service webyast "
	## Check status with checkproc(8), if process is running
	## checkproc will return with exit status 0.

# Return value is slightly different for the status command:
	# 0 - service up and running
	# 1 - service dead, but /var/run/  pid  file exists
	# 2 - service dead, but /var/lock/ lock file exists
	# 3 - service not running (unused)
	# 4 - service status unknown :-(
	# 5--199 reserved (5--99 LSB, 100--149 distro, 150--199 appl.)

# NOTE: checkproc returns LSB compliant status values.
	/sbin/checkproc -p $PID_FILE $NGINX_BIN
	# NOTE: rc_status knows that we called this init script with
	# "status" option and adapts its messages accordingly.
	rc_status -v
	;;
    probe)
	## Optional: Probe for the necessity of a reload, print out the
	## argument to this init script which is required for a reload.
	## Note: probe is not (yet) part of LSB (as of 1.9)

test $NGINX_CONFIG /var/run/webyast.pid && echo reload
	;;
    *)
	echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|reload|probe}"
	exit 1
	;;
esac
rc_exit

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File rcwebyast of Package webyast-base (Revision 585ae885f67b9a90b455929fe96ba8bf)

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