Adding upstream version 1:4.13.0.upstream/1%4.13.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 479 insertions, 0 deletions

diff --git a/rgmanager/src/resources/nfsclient.sh.in b/rgmanager/src/resources/nfsclient.sh.in
new file mode 100755
index 0000000..ef68dbe
--- /dev/null
+++ b/rgmanager/src/resources/nfsclient.sh.in
@@ -0,0 +1,479 @@
+#!@BASH_SHELL@
+
+#
+# NFS Export Client handler agent script
+#
+#
+# Copyright (C) 1997-2003 Sistina Software, Inc.  All rights reserved.
+# Copyright (C) 2004-2011 Red Hat, Inc.  All rights reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+
+LC_ALL=C
+LANG=C
+PATH=/bin:/sbin:/usr/bin:/usr/sbin
+export LC_ALL LANG PATH
+
+. $(dirname $0)/ocf-shellfuncs
+
+meta_data()
+{
+	cat <<EOT
+<?xml version="1.0" ?>
+<!DOCTYPE resource-agent SYSTEM "ra-api-1-modified.dtd">
+<resource-agent version="rgmanager 2.0" name="nfsclient">
+    <version>1.0</version>
+
+    <longdesc lang="en">
+        This defines how a machine or group of machines may access
+        an NFS export on the cluster.  IP addresses, IP wildcards,
+	hostnames, hostname wildcards, and netgroups are supported.
+    </longdesc>
+    <shortdesc lang="en">
+        Defines an NFS client.
+    </shortdesc>
+
+    <parameters>
+        <parameter name="name" unique="1" primary="1">
+            <longdesc lang="en">
+                This is a symbolic name of a client used to reference
+                it in the resource tree.  This is NOT the same thing
+                as the target option.
+            </longdesc>
+            <shortdesc lang="en">
+                Client Name
+            </shortdesc>
+            <content type="string"/>
+        </parameter>
+
+        <parameter name="target" required="1">
+            <longdesc lang="en">
+                This is either a hostname, a wildcard (IP address or
+                hostname based), or a netgroup to which defining a
+                host or hosts to export to.
+            </longdesc>
+            <shortdesc lang="en">
+                Target Hostname, Wildcard, or Netgroup
+            </shortdesc>
+            <content type="string"/>
+        </parameter>
+
+        <parameter name="path" inherit="path">
+            <longdesc lang="en">
+                This is the path to export to the target.  This
+                field is generally left blank, as it inherits the
+                path from the parent export.
+            </longdesc>
+            <shortdesc lang="en">
+                Path to Export
+            </shortdesc>
+            <content type="string"/>
+        </parameter>
+
+        <parameter name="svcname" inherit="service%name">
+            <longdesc lang="en">
+            </longdesc>
+            <shortdesc lang="en">
+            </shortdesc>
+            <content type="string"/>
+        </parameter>
+
+
+        <parameter name="fsid" inherit="fsid">
+            <longdesc lang="en">
+	    	File system ID inherited from the parent nfsexport/
+		clusterfs/fs resource.  Putting fsid in the options
+		field will override this.
+            </longdesc>
+            <shortdesc lang="en">
+	    	File system ID
+            </shortdesc>
+            <content type="string"/>
+        </parameter>
+
+        <parameter name="options">
+            <longdesc lang="en">Defines a list of options for this
+                particular client.  See 'man 5 exports' for a list
+                of available options.
+            </longdesc>
+            <shortdesc lang="en">
+                Export Options
+            </shortdesc>
+            <content type="string"/>
+        </parameter>
+
+        <parameter name="allow_recover">
+            <longdesc lang="en">
+		Allows recovery of this NFS client (default = 1) if it
+		disappears from the export list.  If set to 0, the service
+		will be restarted.  This is useful to help preserve export
+		ordering.
+            </longdesc>
+            <shortdesc lang="en">
+		Allow recovery
+            </shortdesc>
+            <content type="boolean"/>
+        </parameter>
+
+	<parameter name="service_name" inherit="service%name">
+            <longdesc lang="en">
+		Service this NFS export belongs to.  Used for caching
+		exports on a per-service basis.
+            </longdesc>
+            <shortdesc lang="en">
+                Service Name
+            </shortdesc>
+	    <content type="string"/>
+	</parameter>
+
+	<parameter name="use_cache" inherit="service%nfs_client_cache">
+            <longdesc lang="en">
+	   	On systems with large numbers of exports, a performance
+		problem in the exportfs command can cause inordinately long
+		status check times for services with lots of mounted
+		NFS clients.  This occurs because exportfs does DNS queries
+		on all clients in the export list.
+
+		Setting this option to '1' will enable caching of the export
+		list returned from the exportfs command on a per-service
+		basis.  The cache will last for 30 seconds before expiring
+		instead of being generated each time an nfsclient resource
+		is called.
+            </longdesc>
+            <shortdesc lang="en">
+	    	Enable exportfs list caching
+            </shortdesc>
+	    <content type="integer"/>
+	</parameter>
+
+
+    </parameters>
+
+    <actions>
+        <action name="start" timeout="90"/>
+        <action name="stop" timeout="5"/>
+        <action name="recover" timeout="90"/>
+
+	<!-- Checks to see if the export exists in /var/lib/nfs/etab -->
+        <action name="status" timeout="5" interval="1m"/>
+        <action name="monitor" timeout="5" interval="1m"/>
+
+        <action name="meta-data" timeout="5"/>
+        <action name="validate-all" timeout="30"/>
+    </actions>
+
+</resource-agent>
+EOT
+}
+
+
+verify_options()
+{
+	declare o
+	declare -i ret=0
+
+	[ -z "$OCF_RESKEY_options" ] && return 0
+	
+	#
+	# From exports(5)
+	#
+	for o in `echo $OCF_RESKEY_options | sed -e s/,/\ /g`; do
+		case $o in
+		fsid=*)
+			ocf_log debug "Using designated $o instead of fsid=$OCF_RESKEY_fsid"
+			unset OCF_RESKEY_fsid
+			;;
+		secure)
+			;;
+		insecure)
+			;;
+		sec=*)
+			;;
+		rw)
+			;;
+		ro)
+			;;
+		async)
+			;;
+		sync)
+			;;
+		wdelay)
+			;;
+		no_wdelay)
+			;;
+		hide)
+			;;
+		nohide)
+			;;
+		subtree_check)
+			;;
+		no_subtree_check)
+			;;
+		secure_locks)
+			;;
+		insecure_locks)
+			;;
+		auth_nlm)
+			;;
+		no_auth_nlm)
+			;;
+		mountpoint=*)
+			;;
+		mp=*)
+			;;
+		root_squash)
+			;;
+		no_root_squash)
+			;;
+		all_squash)
+			;;
+		no_all_squash)
+			;;
+		anonuid=*)
+			;;
+		anongid=*)
+			;;
+		*)
+			ocf_log err "Export Option $o invalid"
+			ret=$OCF_ERR_ARGS
+			;;
+		esac
+	done
+
+	return $ret
+}
+
+
+verify_target()
+{
+	# XXX need to add wildcards, hostname, ip, etc.
+	[ -n "$OCF_RESKEY_target" ] && return 0
+	
+	return $OCF_ERR_ARGS
+}
+
+
+verify_path()
+{
+	if [ -z "$OCF_RESKEY_path" ]; then
+		ocf_log err "No export path specified."
+		return $OCF_ERR_ARGS
+	fi
+
+	OCF_RESKEY_path="${OCF_RESKEY_path%/}"
+
+	[ -d "$OCF_RESKEY_path" ] && return 0
+
+	ocf_log err "$OCF_RESKEY_path is not a directory"
+	
+	return $OCF_ERR_ARGS
+}
+
+
+verify_type()
+{
+	[ -z "$OCF_RESKEY_type" ] && return 0
+	[ "$OCF_RESKEY_type" = "nfs" ] && return 0
+
+	ocf_log err "Export type $OCF_RESKEY_type not supported yet"
+	return $OCF_ERR_ARGS
+}
+
+
+verify_all()
+{
+	declare -i ret=0
+
+	verify_type || ret=$OCF_ERR_ARGS
+	verify_options || ret=$OCF_ERR_ARGS
+	verify_target || ret=$OCF_ERR_ARGS
+	verify_path || ret=$OCF_ERR_ARGS
+
+	return $ret
+}
+
+
+case $1 in
+start)
+	declare option_str
+
+	verify_all || exit $OCF_ERR_ARGS
+
+	#
+	# XXX
+	# Bad: Side-effect of verify_options: unset OCF_RESKEY_fsid if
+	# fsid is specified in the options string.
+	#
+	if [ -z "$OCF_RESKEY_options" ] && [ -n "$OCF_RESKEY_fsid" ]; then
+		option_str="fsid=$OCF_RESKEY_fsid"
+	elif [ -n "$OCF_RESKEY_options" ] && [ -z "$OCF_RESKEY_fsid" ]; then
+		option_str="$OCF_RESKEY_options"
+	elif [ -n "$OCF_RESKEY_fsid" ] && [ -n "$OCF_RESKEY_options" ]; then
+		option_str="fsid=$OCF_RESKEY_fsid,$OCF_RESKEY_options"
+	fi
+
+	if [ -z "$option_str" ]; then
+		ocf_log info "Adding export: ${OCF_RESKEY_target}:${OCF_RESKEY_path}"
+		exportfs -i "${OCF_RESKEY_target}:${OCF_RESKEY_path}"
+		rv=$?
+	else
+		ocf_log info "Adding export: ${OCF_RESKEY_target}:${OCF_RESKEY_path} ($option_str)"
+		exportfs -i -o $option_str "${OCF_RESKEY_target}:${OCF_RESKEY_path}"
+		rv=$?
+	fi
+	;;
+
+stop)
+	verify_all || exit $OCF_ERR_ARGS
+
+	$0 status
+	rv=$?
+	if [ $rv -eq 0 ]; then
+	    ocf_log info "Removing export: ${OCF_RESKEY_target}:${OCF_RESKEY_path}"
+	    exportfs -u "${OCF_RESKEY_target}:${OCF_RESKEY_path}"
+	    rv=$?
+	else
+	    # If status check fails then there is no matching nfs export for
+	    # this resource.
+	    rv=0
+	fi
+	;;
+
+status|monitor)
+	verify_all || exit $OCF_ERR_ARGS
+
+	if [ "${OCF_RESKEY_target}" = "*" ]; then
+		export OCF_RESKEY_target="\<world\>"
+	fi
+
+	#
+	# Status check fix from Birger Wathne:
+	# * Exports longer than 14 chars have line breaks inserted, which
+	#   broke the way the status check worked.
+	#
+        # Status check fix from Craig Lewis: 
+        # * Exports with RegExp metacharacters need to be escaped. 
+        #   These metacharacters are: * ? . 
+        # 
+	export OCF_RESKEY_target_regexp=$(echo $OCF_RESKEY_target | \
+		sed -e 's/*/[*]/g' -e 's/?/[?]/g' -e 's/\./\\./g') 
+
+	declare tmpfn
+	declare time_created time_now
+	declare -i delta=0
+
+	#
+	# Don't let anyone read the cache files.
+	#
+	umask 066
+
+	mkdir -p /var/cache/cluster
+
+	if [ -n "$OCF_RESKEY_service_name" ] && [ "$OCF_RESKEY_use_cache" = "1" ]; then
+
+		#
+		# For large #s of exports, we need to cache the information
+		#
+		tmpfn=/var/cache/cluster/nfsclient-status-cache-$OCF_RESKEY_service_name
+
+		if [ -f "$tmpfn" ]; then
+			time_created=$(stat -c "%Y" $tmpfn)
+			time_now=$(date +"%s")
+			delta=$((time_now-time_created))
+		fi
+		#echo "Cache age = $delta seconds"
+	else
+		delta=100
+		#
+		# Create a different file if this is a separate instance
+		#
+		tmpfn=/var/cache/cluster/nfsclient-status-cache-$$
+	fi
+
+	if ! [ -f "$tmpfn" ] || [ $delta -gt 30 ]; then
+		#echo "Create $tmpfn. Nonexistent / expired / no service name"
+		exportfs -v > $tmpfn
+	fi
+
+        cat $tmpfn | tr -d "\n" | sed -e 's/([^)]*)/\n/g' | grep -Piq \
+		"^${OCF_RESKEY_path}[\t ]+${OCF_RESKEY_target_regexp}"
+	rv=$? 
+
+	if [ $rv -eq 0 ]; then
+		[ "$OCF_RESKEY_use_cache" = "1" ] || rm -f $tmpfn
+		exit 0
+	fi
+
+	declare OCF_RESKEY_target_tmp
+	OCF_RESKEY_target_tmp=$(clufindhostname -i "$OCF_RESKEY_target")
+	if [ $? -ne 0 ]; then
+		OCF_RESKEY_target_tmp=$(clufindhostname -n "$OCF_RESKEY_target")
+		if [ $? -ne 0 ]; then
+			[ "$OCF_RESKEY_use_cache" = "1" ] || rm -f $tmpfn
+			ocf_log err "nfsclient:$OCF_RESKEY_name is missing!"
+			exit 1
+		fi
+	fi
+
+        cat $tmpfn | tr -d "\n" | sed -e 's/([^)]*)/\n/g' | grep -Pq \
+		"^${OCF_RESKEY_path}[\t ]+${OCF_RESKEY_target_tmp}"
+	rv=$? 
+
+	[ "$OCF_RESKEY_use_cache" = "1" ] || rm -f $tmpfn
+	if [ $rv -eq 0 ]; then
+		exit 0
+	fi
+
+	ocf_log err "nfsclient:$OCF_RESKEY_name is missing!"
+	exit $OCF_NOT_RUNNING
+	;;
+
+recover)
+	if [ "$OCF_RESKEY_allow_recover" = "0" ] || \
+	   [ "$OCF_RESKEY_allow_recover" = "no" ] || \
+	   [ "$OCF_RESKEY_allow_recover" = "false" ]; then
+		exit 1
+	fi
+
+	$0 stop || exit 1
+	$0 start || exit 1
+	;;
+
+restart)
+	#
+	# Recover might better be "exportfs -r" - reexport
+	#
+	$0 stop || exit 1
+	$0 start || exit 1
+	;;
+
+meta-data)
+	meta_data
+	exit 0
+	;;
+
+validate-all)
+	verify_all
+	rv=$?
+	;;
+
+*)
+	echo "usage: $0 {start|stop|status|monitor|restart|meta-data|validate-all}"
+	rv=$OCF_ERR_UNIMPLEMENTED
+	;;
+esac
+
+exit $rv