Page MenuHomeClusterLabs Projects
Files F4624478

No OneTemporary
Actions

View Options

diff --git a/extra/resources/Makefile.am b/extra/resources/Makefile.am
index a090a16fcb..a54d91906b 100644
--- a/extra/resources/Makefile.am
+++ b/extra/resources/Makefile.am
@@ -1,56 +1,57 @@
# Makefile.am for OCF RAs
#
# Author: Andrew Beekhof
# Copyright (C) 2008 Andrew Beekhof
#
# 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.
#
include $(top_srcdir)/Makefile.common
EXTRA_DIST = $(ocf_SCRIPTS)
isolationtechdir = @OCF_RA_DIR@/.isolation
ocfdir = @OCF_RA_DIR@/pacemaker
ocf_SCRIPTS = ClusterMon \
controld \
Dummy \
HealthCPU \
HealthSMART \
o2cb \
ping \
pingd \
Stateful \
SysInfo \
SystemHealth \
+ attribute \
remote
isolationtech_SCRIPTS = docker-wrapper
if BUILD_XML_HELP
man7_MANS = $(ocf_SCRIPTS:%=ocf_pacemaker_%.7)
DBOOK_OPTS = --stringparam command.prefix ocf_pacemaker_ --stringparam variable.prefix OCF_RESKEY_ --param man.vol 7
ocf_pacemaker_%.xml: %
$(AM_V_GEN)OCF_FUNCTIONS=/dev/null OCF_ROOT=$(OCF_ROOT_DIR) sh $(abs_builddir)/$< meta-data > $@
endif
clean-generic:
rm -f $(man7_MANS) $(ocf_SCRIPTS:%=%.xml) *~
diff --git a/extra/resources/attribute b/extra/resources/attribute
new file mode 100644
index 0000000000..7444ec607e
--- /dev/null
+++ b/extra/resources/attribute
@@ -0,0 +1,233 @@
+#!/bin/sh
+#
+# ocf:pacemaker:attribute resource agent
+#
+# Copyright (C) 2016 Andrew Beekhof <andrew@beekhof.net>
+#
+# This source code is licensed under GNU General Public License version 2 or
+# later (GPLv2+) WITHOUT ANY WARRANTY.
+#
+
+USAGE="Usage: $0 {start|stop|monitor|migrate_to|migrate_from|validate-all|meta-data}
+
+Expects to have a fully populated OCF RA-compliant environment set."
+
+# Load OCF helper functions
+: ${OCF_FUNCTIONS=${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs}
+. ${OCF_FUNCTIONS}
+: ${__OCF_ACTION=$1}
+
+# Ensure certain variables are set and not empty
+: ${HA_VARRUN:="/var/run"}
+: ${OCF_RESKEY_CRM_meta_globally_unique:="false"}
+: ${OCF_RESOURCE_INSTANCE:="undef"}
+
+DEFAULT_STATE_FILE="${HA_VARRUN%%/}/opa-${OCF_RESOURCE_INSTANCE}.state"
+if [ ${OCF_RESKEY_CRM_meta_globally_unique} = "false" ]; then
+ # Strip off any trailing clone marker (note + is not portable in sed)
+ DEFAULT_STATE_FILE=$(echo "$DEFAULT_STATE_FILE" | sed s/:[0-9][0-9]*\.state/.state/)
+fi
+
+DEFAULT_ATTR_NAME="opa-${OCF_RESOURCE_INSTANCE}"
+DEFAULT_ACTIVE_VALUE="1"
+DEFAULT_INACTIVE_VALUE="0"
+
+: ${OCF_RESKEY_state:="$DEFAULT_STATE_FILE"}
+: ${OCF_RESKEY_name:="$DEFAULT_ATTR_NAME"}
+
+# Values may be empty string
+if [ -z ${OCF_RESKEY_active_value+x} ]; then
+ OCF_RESKEY_active_value="$DEFAULT_ACTIVE_VALUE"
+fi
+if [ -z ${OCF_RESKEY_inactive_value+x} ]; then
+ OCF_RESKEY_inactive_value="$DEFAULT_INACTIVE_VALUE"
+fi
+
+usage() {
+ USAGE_RC=$1
+ cat <<END
+$USAGE
+END
+ return $USAGE_RC
+}
+
+meta_data() {
+ cat <<END
+<?xml version="1.0"?>
+<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
+<resource-agent name="attribute" version="1.0">
+ <version>1.0</version>
+ <shortdesc lang="en">Manages a node attribute</shortdesc>
+ <longdesc lang="en">
+This resource agent controls a node attribute for the node it's running on.
+It sets the attribute one way when started, and another way when stopped,
+according to the configuration parameters.
+ </longdesc>
+ <parameters>
+
+ <parameter name="state" unique="1">
+ <longdesc lang="en">
+Full path of a temporary file to store the resource state in
+ </longdesc>
+ <shortdesc lang="en">State file</shortdesc>
+ <content type="string" default="${DEFAULT_STATE_FILE}" />
+ </parameter>
+
+ <parameter name="name" unique="1">
+ <longdesc lang="en">
+Name of node attribute to manage
+ </longdesc>
+ <shortdesc lang="en">Attribute name</shortdesc>
+ <content type="string" default="${DEFAULT_ATTR_NAME}" />
+ </parameter>
+
+ <parameter name="active_value" unique="0">
+ <longdesc lang="en">
+Value to use for node attribute when resource becomes active (empty string is
+discouraged, because monitor cannot distinguish it from a query error)
+ </longdesc>
+ <shortdesc lang="en">Attribute value when active</shortdesc>
+ <content type="string" default="$DEFAULT_ACTIVE_VALUE" />
+ </parameter>
+
+ <parameter name="inactive_value" unique="0">
+ <longdesc lang="en">
+Value to use for node attribute when resource becomes inactive
+ </longdesc>
+ <shortdesc lang="en">Attribute value when inactive</shortdesc>
+ <content type="string" default="$DEFAULT_INACTIVE_VALUE" />
+ </parameter>
+
+ </parameters>
+ <actions>
+ <action name="start" timeout="20" />
+ <action name="stop" timeout="20" />
+ <action name="monitor" timeout="20" interval="10" depth="0"/>
+ <action name="reload" timeout="20" />
+ <action name="migrate_to" timeout="20" />
+ <action name="migrate_from" timeout="20" />
+ <action name="validate-all" timeout="20" />
+ <action name="meta-data" timeout="5" />
+ </actions>
+</resource-agent>
+END
+ return $OCF_SUCCESS
+}
+
+validate() {
+ if [ "$OCF_RESKEY_active_value" = "$OCF_RESKEY_inactive_value" ]; then
+ ocf_exit_reason "active value '%s' must be different from inactive value '%s'" \
+ "$OCF_RESKEY_active_value" "$OCF_RESKEY_inactive_value"
+ return $OCF_ERR_CONFIGURED
+ fi
+
+ VALIDATE_DIR=$(dirname "${OCF_RESKEY_state}")
+ if [ ! -d "$VALIDATE_DIR" ]; then
+ ocf_exit_reason "state file '$OCF_RESKEY_state' does not have a valid directory"
+ return $OCF_ERR_PERM
+ fi
+ if [ ! -w "$VALIDATE_DIR" -o ! -x "$VALIDATE_DIR" ]; then
+ ocf_exit_reason "insufficient privileges on directory of state file '$OCF_RESKEY_state'"
+ return $OCF_ERR_PERM
+ fi
+
+ return $OCF_SUCCESS
+}
+
+get_attribute() {
+ GET_LINE=$(attrd_updater -n "$OCF_RESKEY_name" -Q 2>/dev/null)
+ if [ $? -ne 0 ]; then
+ echo ""
+ else
+ echo "$GET_LINE" | sed -e "s/.* value=\"\(.*\)\"$/\1/"
+ fi
+}
+
+set_attribute() {
+ attrd_updater -n "$OCF_RESKEY_name" -U "$1" 2>/dev/null
+ # TODO if above call is async, loop until get_attribute returns expected value
+}
+
+check_attribute() {
+ CHECK_VALUE=$(get_attribute)
+ CHECK_REASON=""
+ if [ ! -f "$OCF_RESKEY_state" ]; then
+ if [ "$CHECK_VALUE" != "" -a "$CHECK_VALUE" != "$OCF_RESKEY_inactive_value" ]; then
+ CHECK_REASON="Node attribute $OCF_RESKEY_name='$CHECK_VALUE' differs from expected value '$OCF_RESKEY_inactive_value'"
+ return $OCF_ERR_GENERIC
+ fi
+ return $OCF_NOT_RUNNING
+ fi
+ if [ "$CHECK_VALUE" != "$OCF_RESKEY_active_value" ]; then
+ CHECK_REASON="Node attribute $OCF_RESKEY_name='$CHECK_VALUE' differs from expected value '$OCF_RESKEY_active_value'"
+ return $OCF_ERR_GENERIC
+ fi
+ return $OCF_SUCCESS
+}
+
+monitor() {
+ check_attribute
+ MONITOR_RC=$?
+ if [ $MONITOR_RC -eq $OCF_ERR_GENERIC ]; then
+ ocf_exit_reason "$CHECK_REASON"
+ fi
+ return $MONITOR_RC
+}
+
+start() {
+ check_attribute
+ if [ $? -eq $OCF_SUCCESS ]; then
+ return $OCF_SUCCESS
+ fi
+
+ touch "${OCF_RESKEY_state}" 2>/dev/null
+ if [ $? -ne 0 ]; then
+ ocf_exit_reason "Unable to manage state file $OCF_RESKEY_state"
+ return $OCF_ERR_GENERIC
+ fi
+
+ set_attribute "${OCF_RESKEY_active_value}"
+ if [ $? -ne 0 ]; then
+ rm -f "${OCF_RESKEY_state}"
+ ocf_exit_reason "Unable to set node attribute $OCF_RESKEY_name='$OCF_RESKEY_active_value'"
+ return $OCF_ERR_GENERIC
+ fi
+
+ return $OCF_SUCCESS
+}
+
+stop() {
+ check_attribute
+ if [ $? -eq $OCF_NOT_RUNNING ]; then
+ return $OCF_SUCCESS
+ fi
+
+ rm -f ${OCF_RESKEY_state}
+
+ set_attribute "${OCF_RESKEY_inactive_value}"
+ if [ $? -ne 0 ]; then
+ ocf_exit_reason "Unable to set node attribute $OCF_RESKEY_name='$OCF_RESKEY_inactive_value'"
+ return $OCF_ERR_GENERIC
+ fi
+
+ return $OCF_SUCCESS
+}
+
+case $__OCF_ACTION in
+meta-data) meta_data ;;
+start) start ;;
+stop) stop ;;
+monitor) monitor ;;
+# We don't do anything special for live migration, but we support it so that
+# other resources that live migrate can depend on this one.
+migrate_to) stop ;;
+migrate_from) start ;;
+reload) start ;;
+validate-all) validate ;;
+usage|help) usage $OCF_SUCCESS ;;
+*) usage $OCF_ERR_UNIMPLEMENTED ;;
+esac
+
+exit $?
+
+# vim: expandtab:tabstop=4:softtabstop=4:shiftwidth=4:textwidth=80

File Metadata

Mime Type
text/x-diff
Expires
Tue, Jul 8, 6:25 PM (11 h, 51 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
2002640
Default Alt Text
(9 KB)

Event Timeline