resourcemanager.in

linux集群服务器软件代码包

#      (or there no such resource group)
# ALL:	All of the resources in the resource group are held
# SOME:	Some of the resources in the resource group are held
#
StatGroup() {
  result="FirstTime"

  set `ipresline $1`
  shift
  for resource
  do
    if
      we_own_resource $resource
    then
      case $result in
        FirstTime)	result=ALL;;
        NONE)		echo SOME; return 0;;
        SOME|ALL)		;;
      esac
    else
      case $result in
        FirstTime)	result=NONE;;
        ALL)		echo SOME; return 0;;
        SOME|NONE)	;;
      esac
    fi
  done

  case $result in
    FirstTime)	echo NONE;;
    *)		echo $result;;
  esac
}

#
#	Verify that all resources in the resource group are idle
#

VerifyAllIdle() {
  rc=0
  for rsc in `KeyResources ".*"`
  do
    if
      we_own_resource $rsc
    then
      ha_log "CRITICAL: Resource $rsc is active, and should not be!"
      ha_log "CRITICAL: Non-idle resources can affect data integrity!" >&2
      ha_log "info: If you don't know what this means, then get help!"
      ha_log "info: Read the docs and/or source to $0 for more details."
      cat <<-! >&2
	CRITICAL: Resource $rsc is active, and should not be!
	CRITICAL: Non-idle resources can affect data integrity!
	info: If you don't know what this means, then get help!
	info: Read the docs and/or the source to $0 for more details.
	!
      #
      # What this means is that if you have a shared disk and it's already mounted
      # before you start heartbeat, then you could have it mounted simultaneously
      # on both sides.  If this happens then your disk data is toast!
      # So, this is sometimes VERY BAD INDEED!
      #
      # The most *common* cause for this message is that you told your OS to manage one
      # of the IP addresses that you asked heartbeat to manage.  You can't put
      # both your OS startup scripts and heartbeat in charge of HA resources.
      # This particular case is discussed in detail in the docs.
      #
      rc=`expr $rc + 1`
    fi
  done
  if
    [ $rc -ne 0 ]
  then
    ha_log "CRITICAL: Non-idle resources will affect resource takeback!"
    ha_log "CRITICAL: Non-idle resources may affect data integrity!"
  fi
  exit $rc
}

#
#	If we are unable to stop a resource, then everything is in a
#	hosed state.  The only way out is through a reboot...
#
RecoverFromFailedStop() {
  ha_log "CRIT: Resource STOP failure. Reboot required!"
  ha_log "CRIT: Killing heartbeat ungracefully!"
  for name in heartbeat ipfail ccm
  do
    pkill -9 $name
  done
  if
    [ -x /sbin/reboot ] && /sbin/reboot -f
  then
    : OK - reboot succeeded
  elif
    [ -x /sbin/init ] && /sbin/init 6
  then
    : OK - init 6 succeeded
  else
    ha_log "CRIT: Unable to force reboot."
  fi
}

case $1 in

  listkeys)	KeyResources "$2";;

  allkeys)	KeyResources '.*';;

  ourkeys)	OurGroupKeys;;

  otherkeys)	OtherGroupKeys;;

  status)	we_own_resource $2;;

  givegroup)	GiveUpGroup $2 >>$HA_DEBUGLOG 2>&1 ;;

  takegroup)	TakeGroup $2 >>$HA_DEBUGLOG 2>&1 ;;

  statgroup)	StatGroup $2 >>$HA_DEBUGLOG 2>&1 ;;

  verifyallidle)VerifyAllIdle ;;

  *)		echo "$USAGE" >&2
  		echo "" >&2
		exit 1;;
esac

#
#	$Log: ResourceManager.in,v $
#	Revision 1.29  2005/02/14 07:37:12  horms
#	Omit blank lines from output of allkeys
#	
#	Revision 1.28  2005/01/11 14:54:11  alan
#	Ported forwards a fix which releases partially-acquired resource groups
#	
#	Revision 1.27  2005/01/11 14:41:28  alan
#	Activated a patch provided by lge a long time ago - with a little
#	change brought to our attention by Umbrae <[e-mail]>
#	
#	Revision 1.26  2004/11/10 18:37:07  alan
#	Put in code to stop starting resources when we get a failure.
#	
#	Revision 1.23  2004/10/01 13:10:34  lge
#	micro fixes
#	 initialize logfacility = -1 in hb_cluster_new()
#	 fix off by one error in media_idx range check in read_child_dispatch()
#	 add commented out "not running" branch to we_own_resource() in ResourceManager.in
#	Revision 1.12.2.3  2004/12/17 16:13:22  alan
#	Fixed a bug introduced by last fix.
#	This new bug was pointed out by Kenneth Geisshirt <[e-mail]>
#	who also supplied a patch for it.  But, if this doesn't work right yet,
#	then it's my fault, since I didn't take his patch exactly.
#	
#	Revision 1.12.2.2  2004/12/14 22:06:37  alan
#	Put in a patch to make us give up partially-acquired resources groups after a failure.
#	
#	Revision 1.12.2.1  2004/04/20 05:05:29  alan
#	Backported everything from 1.3.0 to 1.2.1
#	
#	Revision 1.22  2004/04/16 19:01:00  gshi
#	added a missing 'done' statement
#	
#	Revision 1.21  2004/04/16 17:06:10  alan
#	Fixed a bug in ResourceManager where it warns about bad resource scripts
#	when they're OK.  Problem noted by Jens Schmalzing <[e-mail]>.  Thanks Jens!
#	
#	Revision 1.20  2004/04/16 04:48:05  alan
#	Put in a fix which gets rid of LMB's non-portable sed expression.
#	
#	Revision 1.19  2004/04/15 18:15:50  alan
#	Fixed a bug in the last fix to ResourceManager - I didn't check return codes correctly.
#	
#	Revision 1.18  2004/04/15 13:18:38  alan
#	Put in a kludge to permit the new code to avoid an unnecessary reboot for
#	Red Hat and other non-LSB-compliant init scripts.
#	
#	Revision 1.17  2004/04/12 21:43:43  alan
#	Changed the function that runs scripts to return the proper return code.
#	
#	Revision 1.16  2004/03/31 22:17:10  alan
#	Minor changes to the reboot-on-stop-failure patch.
#	These changes suggested by Jan-Frode Myklebust <[e-mail]>
#	They make it more solaris-compatible, and also give an additional reboot attempt
#	option.
#	
#	Revision 1.15  2004/03/31 17:52:25  alan
#	Put in code to cause the machine to (eventually) reboot if a resource
#	stop fails.
#	
#	Revision 1.14  2004/03/26 05:00:47  alan
#	Added the Local Resource Manager from Zhen Huang and Jiang Dong Sun to CVS.
#	
#	Revision 1.13  2004/03/25 10:17:28  lars
#	Part I: Lower-case hostnames whereever they are coming in. STONITH
#	module audit to follow.
#	
#	Revision 1.12  2003/09/19 19:12:35  alan
#	Changed resourcemanager to not give an ERROR instead of a WARNING if
#	one of the resource scripts it starts gives a bad return code.
#	
#	Revision 1.11  2003/07/22 09:50:23  alan
#	Added code to pay attention more to return codes in ResourceManager,
#	and also to avoid starting any resource twice (barring race conditions).
#	
#	Revision 1.10  2003/07/01 19:01:20  alan
#	removed the checks to see if we already own a resource group
#	before giving it up.
#	
#	Revision 1.9  2003/05/17 05:28:46  alan
#	Implemented a modified version of nice_failback allowing it to
#	move subsets of resources around - not just all of them...
#	
#	Revision 1.8  2002/04/07 21:08:56  alan
#	Put in more stern warnings about resources not being idle when we start up...
#	
#	Revision 1.7  2002/02/15 06:53:16  horms
#	Small changes to allow heartbeat to work on Solaris 8
#	* use unset LC_ALL and unset LANGUAGE instead of LC_ALL=en and LANGUAGE=en
#	* provide LOG_PERROR, as Solaris doesn't
#	-- Horms
#	
#	Revision 1.6  2002/01/24 16:00:43  alan
#	Put in a patch sent by Matt Soffen.
#	
#	Revision 1.5  2001/10/24 20:46:29  alan
#	A large number of patches.  They are in these categories:
#		Fixes from Matt Soffen
#		Fixes to test environment things - including changing some ERRORs to
#			WARNings and vice versa.
#		etc.
#	
#	Revision 1.4  2001/08/11 22:59:25  alan
#	Finished the patch from Lorn Kay <[e-mail]>
#	Also reverted a patch from Horms which turned off strict warnings on Linux.
#	
#	Revision 1.3  2001/08/11 22:12:55  alan
#	Made ResourceManager status return 0 if we own the resource and 3
#	if we don't (to be consistent with the LSB).
#	This patch was suggested by Lorn Kay.
#	
#	Revision 1.2  2001/06/28 20:35:00  alan
#	Patch from Juri to install our scripts with paths patched appropriately.
#	
#	Revision 1.1  2001/06/28 12:16:44  alan
#	Committed the *rest* of Juri Haberland's script patch that I thought I
#	had already applied :-(.
#	
#	Revision 1.10  2001/02/07 07:10:21  alan
#	Added code to verify that all resources are idle when starting heartbeat.
#	
#	Revision 1.9  2001/02/07 07:01:02  alan
#	Added a verifyallidle action to the ResourceManger for use in
#	startup scripts.
#	
#	Revision 1.8  2001/02/01 11:52:05  alan
#	Change things to that things occur in the right order.
#	We need to not start timing message reception until we're completely started.
#	We need to Stonith the other guy before we take over their resources.
#	
#	Revision 1.7  2000/12/06 09:11:31  jacob
#	Resources in ha.d/haresources can be split over more lines by concatenating
#	the lines with \ .
#	
#	Revision 1.6  2000/10/25 19:49:33  eric
#	Added the ability to specify multiple arguments to a resource script.
#	
#	Revision 1.5  2000/07/26 04:14:10  alan
#	Fixed a bug in a sed expression in ResourceManager
#	There was a missing 'g'.
#	
#	Revision 1.4  2000/06/12 06:11:09  alan
#	Changed resource takeover order to left-to-right
#	Added new version of nice_failback.  Hopefully it works wonderfully!
#	Regularized some error messages
#	Print the version of heartbeat when starting
#	Hosts now have three statuses {down, up, active}
#	SuSE compatability due to Friedrich Lobenstock and alanr
#	Other minor tweaks, too numerous to mention.
#	
#	Revision 1.3  2000/05/03 20:23:59  alan
#	Fixed a bug where the code was RedHat dependent.  It now allows the standard
#	SuSE OK response for status requests from scripts.
#	
#	Revision 1.2  1999/11/10 20:33:04  alan
#	Deleted /proc/ha directory from build list
#	Added #!/bin/sh to lots (all?) of the scripts...
#	
#	Revision 1.1.1.1  1999/09/23 15:31:24  alanr
#	High-Availability Linux
#	
#	Revision 1.7  1999/09/01 05:32:12  alanr
#	Put in a fix from Gregor Howey <[e-mail]>
#	where Gregor found that I had stripped off the ::resourceid
#	part of a string resulting in some bad calls later on.
#
#	It looks like he either always used IPaddr:xxx.yy.zzz or he actually
#	read the code and understood it.  Amazing!
#
#	Revision 1.6  1999/08/17 13:25:08  alanr
#	more comment changes.
#
#	Revision 1.5  1999/08/17 13:22:47  alanr
#	Fixed up comments on the format of the ipresources file.
#
#	Revision 1.4  1999/08/17 13:17:05  alanr
#	fixed up white space.
#
#	Revision 1.3  1999/08/17 13:16:07  alanr
#	Tidied up logging when running resource scripts.
#	Also added log messages.
#
#