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|
#!/bin/sh
#
#
# OCF resource agent to set attributes from Openstack instance details.
# It records (in the CIB) various attributes of a node
#
# Copyright (c) 2018 Mathieu Grzybek
# All Rights Reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it would be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#
# Further, this software is distributed without any warranty that it is
# free of the rightful claim of any third person regarding infringement
# or the like. Any license provided herein, whether implied or
# otherwise, applies only to this software file. Patent licenses, if
# any, provided herein do not apply to combinations of this program with
# other software, or any other product whatsoever.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
#
#######################################################################
# Initialization:
: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat}
. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs
. ${OCF_FUNCTIONS_DIR}/openstack-common.sh
# Defaults
OCF_RESKEY_pidfile_default="$HA_RSCTMP/OSInfo-${OCF_RESOURCE_HOSTNAME}"
OCF_RESKEY_delay_default="0"
OCF_RESKEY_clone_default="0"
OCF_RESKEY_curlcli_default="/usr/bin/curl"
OCF_RESKEY_pythoncli_default="@PYTHON@"
: ${OCF_RESKEY_curlcli=${OCF_RESKEY_curlcli_default}}
: ${OCF_RESKEY_pythoncli=${OCF_RESKEY_pythoncli_default}}
: ${OCF_RESKEY_pidfile=${OCF_RESKEY_pidfile_default}}
: ${OCF_RESKEY_delay=${OCF_RESKEY_delay_default}}
: ${OCF_RESKEY_clone=${OCF_RESKEY_clone_default}}
#######################################################################
meta_data() {
cat <<END
<?xml version="1.0"?>
<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
<resource-agent name="openstack-info" version="1.0">
<version>1.0</version>
<longdesc lang="en">
OCF resource agent to set attributes from Openstack instance details.
It records (in the CIB) various attributes of a node.
Sample output:
openstack_az : nova
openstack_flavor : c1.small
openstack_id : 60ac4343-5828-49b1-8aac-7c69b1417f31
openstack_ports : 7960d889-9750-4160-bf41-c69a41ad72d9:96530d18-57a3-4718-af32-30f2a74c22a2,b0e55a06-bd75-468d-8baa-22cfeb65799f:a55ae917-8016-4b1e-8ffa-04311b9dc7d6
The layout of openstack_ports is a comma-separated list of tuples "subnet_id:port_id".
</longdesc>
<shortdesc lang="en">Records various node attributes in the CIB</shortdesc>
<parameters>
END
common_meta_data
cat <<END
<parameter name="pidfile" unique="0">
<longdesc lang="en">PID file</longdesc>
<shortdesc lang="en">PID file</shortdesc>
<content type="string" default="${OCF_RESKEY_pidfile_default}" />
</parameter>
<parameter name="delay" unique="0">
<longdesc lang="en">Interval to allow values to stabilize</longdesc>
<shortdesc lang="en">Dampening Delay</shortdesc>
<content type="string" default="${OCF_RESKEY_delay_default}" />
</parameter>
<parameter name="curlcli">
<longdesc lang="en">
Path to command line cURL binary.
</longdesc>
<shortdesc lang="en">Path to cURL binary</shortdesc>
<content type="string" default="${OCF_RESKEY_curlcli_default}" />
</parameter>
<parameter name="pythoncli">
<longdesc lang="en">
Path to command line Python interpreter.
</longdesc>
<shortdesc lang="en">Path to Python interpreter</shortdesc>
<content type="string" default="${OCF_RESKEY_pythoncli_default}" />
</parameter>
</parameters>
<actions>
<action name="start" timeout="180s" />
<action name="stop" timeout="180s" />
<action name="monitor" timeout="180s" interval="60s"/>
<action name="meta-data" timeout="5s" />
<action name="validate-all" timeout="20s" />
</actions>
</resource-agent>
END
}
#######################################################################
OSInfoStats() {
local value
local node_id
get_config
# Nova data: server ID
node_id=$($OCF_RESKEY_curlcli \
-s http://169.254.169.254/openstack/latest/meta_data.json |
$OCF_RESKEY_pythoncli -m json.tool |
grep -P '\"uuid\": \".*\",$' |
grep -P -o '[0-9a-f]{8}-([0-9a-f]{4}-){3}[0-9a-f]{12}')
if [ $? -ne 0 ] ; then
ocf_exit_reason "Cannot find server ID"
exit $OCF_ERR_GENERIC
fi
${HA_SBIN_DIR}/attrd_updater ${OCF_RESKEY_delay} -n openstack_id -v "$node_id"
# Nova data: flavor
value=$(run_openstackcli "server show \
--format value \
--column flavor \
$node_id")
${HA_SBIN_DIR}/attrd_updater ${OCF_RESKEY_delay} -n openstack_flavor -v "$value"
# Nova data: availability zone
value=$(run_openstackcli "server show \
--format value \
--column OS-EXT-AZ:availability_zone \
$node_id")
${HA_SBIN_DIR}/attrd_updater ${OCF_RESKEY_delay} -n openstack_az -v "$value"
# Network data: ports
value=""
for port_id in $(run_openstackcli "port list \
--format value \
--column id \
--server $node_id"); do
subnet_result=$(run_openstackcli "port show \
--format json \
--column fixed_ips \
${port_id}")
subnet_ids=$(echo "$subnet_result" |
grep -P '\"subnet_id\": \".*\",$' |
grep -P -o '[0-9a-f]{8}-([0-9a-f]{4}-){3}[0-9a-f]{12}')
for subnet_id in $subnet_ids; do
value="${value}${subnet_id}:${port_id},"
done
done
value=${value%,}
${HA_SBIN_DIR}/attrd_updater ${OCF_RESKEY_delay} -n openstack_ports -v "$value"
if [ ! -z "$OS_REGION_NAME" ] ; then
${HA_SBIN_DIR}/attrd_updater ${OCF_RESKEY_delay} -n openstack_region -v "$OS_REGION_NAME"
fi
if [ ! -z "$OS_TENANT_ID" ] ; then
${HA_SBIN_DIR}/attrd_updater ${OCF_RESKEY_delay} -n openstack_tenant_id -v "$OS_TENANT_ID"
if [ ! -z "$OS_TENANT_NAME" ] ; then
${HA_SBIN_DIR}/attrd_updater ${OCF_RESKEY_delay} -n openstack_tenant_name -v "$OS_TENANT_NAME"
fi
else
${HA_SBIN_DIR}/attrd_updater ${OCF_RESKEY_delay} -n openstack_project_id -v "$OS_PROJECT_ID"
if [ ! -z "$OS_PROJECT_NAME" ] ; then
${HA_SBIN_DIR}/attrd_updater ${OCF_RESKEY_delay} -n openstack_project_name -v "$OS_PROJECT_NAME"
fi
fi
}
OSInfo_usage() {
cat <<END
usage: $0 {start|stop|monitor|validate-all|meta-data}
Expects to have a fully populated OCF RA-compliant environment set.
END
}
OSInfo_start() {
echo $OCF_RESKEY_clone > $OCF_RESKEY_pidfile
OSInfoStats
exit $OCF_SUCCESS
}
OSInfo_stop() {
rm -f $OCF_RESKEY_pidfile
${HA_SBIN_DIR}/attrd_updater ${OCF_RESKEY_delay} -D -n openstack_id
${HA_SBIN_DIR}/attrd_updater ${OCF_RESKEY_delay} -D -n openstack_flavor
${HA_SBIN_DIR}/attrd_updater ${OCF_RESKEY_delay} -D -n openstack_az
${HA_SBIN_DIR}/attrd_updater ${OCF_RESKEY_delay} -D -n openstack_ports
${HA_SBIN_DIR}/attrd_updater ${OCF_RESKEY_delay} -D -n openstack_region
${HA_SBIN_DIR}/attrd_updater ${OCF_RESKEY_delay} -D -n openstack_tenant_id
${HA_SBIN_DIR}/attrd_updater ${OCF_RESKEY_delay} -D -n openstack_tenant_name
${HA_SBIN_DIR}/attrd_updater ${OCF_RESKEY_delay} -D -n openstack_project_id
${HA_SBIN_DIR}/attrd_updater ${OCF_RESKEY_delay} -D -n openstack_project_name
exit $OCF_SUCCESS
}
OSInfo_monitor() {
if [ -f "$OCF_RESKEY_pidfile" ] ; then
OSInfoStats
exit $OCF_RUNNING
fi
exit $OCF_NOT_RUNNING
}
OSInfo_validate() {
check_binary "$OCF_RESKEY_curlcli"
check_binary "$OCF_RESKEY_openstackcli"
check_binary "$OCF_RESKEY_pythoncli"
return $OCF_SUCCESS
}
if [ $# -ne 1 ]; then
OSInfo_usage
exit $OCF_ERR_ARGS
fi
if [ x != x${OCF_RESKEY_delay} ]; then
OCF_RESKEY_delay="-d ${OCF_RESKEY_delay}"
fi
case $__OCF_ACTION in
meta-data) meta_data
exit $OCF_SUCCESS
;;
start) OSInfo_validate || exit $?
OSInfo_start
;;
stop) OSInfo_stop
;;
monitor) OSInfo_monitor
;;
validate-all) OSInfo_validate
;;
usage|help) OSInfo_usage
exit $OCF_SUCCESS
;;
*) OSInfo_usage
exit $OCF_ERR_UNIMPLEMENTED
;;
esac
exit $?
|
