doc/examples/gnt-config-backup.in - ganeti - Git at Google

 #!/bin/bash

 # Copyright (C) 2009 Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 # 1. Redistributions of source code must retain the above copyright notice,
 # this list of conditions and the following disclaimer.
 #
 # 2. Redistributions in binary form must reproduce the above copyright
 # notice, this list of conditions and the following disclaimer in the
 # documentation and/or other materials provided with the distribution.
 #
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 # IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 # EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 # PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 # PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 # LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 # NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.


 # This is an example ganeti script that should be run from cron on all
 # nodes; it will archive the ganeti configuration into a separate
 # directory tree via GIT, so that it is possible to restore the
 # history of cluster configuration changes if needed

 # The script requires the lockfile-progs package and the git software

 # Note that since Ganeti 2.0, config.data is the authoritative source
 # of configuration; as such, we don't need to backup the ssconf files,
 # and the other files (server.pem, rapi.pem, hmac.key, known_hosts,
 # etc.) do no hold critical data (they can be regenerated at will, as
 # long as they are synchronised).

 set -e

 LOCALSTATEDIR=@LOCALSTATEDIR@
 SYSCONFDIR=@SYSCONFDIR@

 GANETIDIR=${LOCALSTATEDIR}/lib/ganeti
 CONFIGDATA=${GANETIDIR}/config.data

 GNTBKDIR=${LOCALSTATEDIR}/lib/gnt-config-backup
 LOCKFILE=${LOCALSTATEDIR}/lock/gnt-config-backup

 # exit if no ganeti config file (no cluster configured, or not M/MC)
 test -f $CONFIGDATA || exit 0

 # We use a simple lock method, since our script should be fast enough
 # (no network, not talking to ganeti-masterd) that we don't expect to
 # run over 5 minutes if the system is healthy
 lockfile-create "$LOCKFILE" || exit 1
 trap 'lockfile-remove $LOCKFILE' EXIT

 test -d $GNTBKDIR || mkdir $GNTBKDIR

 cd $GNTBKDIR

 test -d .git || git init

 cp -f $CONFIGDATA config.data
 git add config.data
 git commit -q -m "Automatic commit by gnt-config-backup"

 touch last_run
	#!/bin/bash

	# Copyright (C) 2009 Google Inc.
	# All rights reserved.
	#
	# Redistribution and use in source and binary forms, with or without
	# modification, are permitted provided that the following conditions are
	# met:
	#
	# 1. Redistributions of source code must retain the above copyright notice,
	# this list of conditions and the following disclaimer.
	#
	# 2. Redistributions in binary form must reproduce the above copyright
	# notice, this list of conditions and the following disclaimer in the
	# documentation and/or other materials provided with the distribution.
	#
	# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
	# IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
	# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
	# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
	# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
	# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
	# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
	# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
	# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
	# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.


	# This is an example ganeti script that should be run from cron on all
	# nodes; it will archive the ganeti configuration into a separate
	# directory tree via GIT, so that it is possible to restore the
	# history of cluster configuration changes if needed

	# The script requires the lockfile-progs package and the git software

	# Note that since Ganeti 2.0, config.data is the authoritative source
	# of configuration; as such, we don't need to backup the ssconf files,
	# and the other files (server.pem, rapi.pem, hmac.key, known_hosts,
	# etc.) do no hold critical data (they can be regenerated at will, as
	# long as they are synchronised).

	set -e

	LOCALSTATEDIR=@LOCALSTATEDIR@
	SYSCONFDIR=@SYSCONFDIR@

	GANETIDIR=${LOCALSTATEDIR}/lib/ganeti
	CONFIGDATA=${GANETIDIR}/config.data

	GNTBKDIR=${LOCALSTATEDIR}/lib/gnt-config-backup
	LOCKFILE=${LOCALSTATEDIR}/lock/gnt-config-backup

	# exit if no ganeti config file (no cluster configured, or not M/MC)
	test -f $CONFIGDATA \|\| exit 0

	# We use a simple lock method, since our script should be fast enough
	# (no network, not talking to ganeti-masterd) that we don't expect to
	# run over 5 minutes if the system is healthy
	lockfile-create "$LOCKFILE" \|\| exit 1
	trap 'lockfile-remove $LOCKFILE' EXIT

	test -d $GNTBKDIR \|\| mkdir $GNTBKDIR

	cd $GNTBKDIR

	test -d .git \|\| git init

	cp -f $CONFIGDATA config.data
	git add config.data
	git commit -q -m "Automatic commit by gnt-config-backup"

	touch last_run