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#!/bin/bash
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# Copyright (C) 2006, 2007, 2008, 2009, 2010, 2012, 2013 Google Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA.
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# This is a test script to ease development and testing on test clusters.
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# It should not be used to update production environments.
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# Usage: upload node-{1,2,3}
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# it will upload the python libraries to
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# $prefix/lib/python2.X/dist-packages/ganeti and the command line utils to
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# $prefix/sbin. It needs passwordless root login to the nodes.
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set -e -u
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usage() {
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  echo "Usage: $0 [--no-restart] [--no-cron] [--no-debug] hosts..." >&2
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  exit $1
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}
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declare -r SED="sed -f autotools/replace_vars.sed"
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NO_RESTART=
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NO_CRON=
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NO_DEBUG=
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hosts=
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while [ "$#" -gt 0 ]; do
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  opt="$1"
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  case "$opt" in
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    --no-restart)
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      NO_RESTART=1
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      ;;
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    --no-cron)
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      NO_CRON=1
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      ;;
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    --no-debug)
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      NO_DEBUG=1
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      ;;
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    -h|--help)
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      usage 0
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      ;;
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    -*)
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      echo "Unknown option: $opt" >&2
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      usage 1
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      ;;
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    *)
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      hosts="$hosts $opt"
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      ;;
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  esac
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  shift
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done
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if [ -z "$hosts" ]; then
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  usage 1
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fi
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set ${hosts}
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make regen-vcs-version
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TXD=`mktemp -d`
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trap 'rm -rf $TXD' EXIT
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if [[ -f /proc/cpuinfo ]]; then
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  cpu_count=$(grep -E -c '^processor[[:space:]]*:' /proc/cpuinfo)
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  make_args=-j$(( cpu_count + 1 ))
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else
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  make_args=
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fi
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# Make sure that directories will get correct permissions
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umask 0022
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# install ganeti as a real tree
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make $make_args install DESTDIR="$TXD"
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# at this point, make has been finished, so the configuration is
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# fixed; we can read the prefix vars/etc.
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PREFIX="$(echo @PREFIX@ | $SED)"
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SYSCONFDIR="$(echo @SYSCONFDIR@ | $SED)"
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LIBDIR="$(echo @LIBDIR@ | $SED)"
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PKGLIBDIR="$(echo @PKGLIBDIR@ | $SED)"
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# copy additional needed files
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[ -f doc/examples/ganeti.initd ] && \
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install -D --mode=0755 doc/examples/ganeti.initd \
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  "$TXD/$SYSCONFDIR/init.d/ganeti"
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[ -f doc/examples/ganeti-master-role.ocf ] && \
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install -D --mode=0755 doc/examples/ganeti-master-role.ocf \
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  "$TXD/$LIBDIR/ocf/resource.d/ganeti/ganeti-master-role"
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[ -f doc/examples/ganeti-node-role.ocf ] && \
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install -D --mode=0755 doc/examples/ganeti-node-role.ocf \
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  "$TXD/$LIBDIR/ocf/resource.d/ganeti/ganeti-node-role"
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[ -f doc/examples/ganeti.default-debug -a -z "$NO_DEBUG" ] && \
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install -D --mode=0644 doc/examples/ganeti.default-debug \
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  "$TXD/$SYSCONFDIR/default/ganeti"
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[ -f doc/examples/bash_completion-debug ] && \
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install -D --mode=0644 doc/examples/bash_completion-debug \
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  "$TXD/$SYSCONFDIR/bash_completion.d/ganeti"
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if [ -f doc/examples/ganeti.cron -a -z "$NO_CRON" ]; then
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  install -D --mode=0644 doc/examples/ganeti.cron \
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    "$TXD/$SYSCONFDIR/cron.d/ganeti"
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fi
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echo ---
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( cd "$TXD" && find; )
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echo ---
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# and now put it under $prefix on the target node(s)
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for host; do
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  echo Uploading code to ${host}...
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  rsync -v -rlKDc \
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    -e "ssh -oBatchMode=yes" \
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    --exclude="*.py[oc]" --exclude="*.pdf" --exclude="*.html" \
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    "$TXD/" \
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    root@${host}:/ &
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done
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wait
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if test -z "${NO_RESTART}"; then
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  for host; do
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    echo Restarting ganeti-noded on ${host}...
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    ssh -oBatchMode=yes root@${host} $SYSCONFDIR/init.d/ganeti restart &
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  done
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  wait
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fi