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|
#!/bin/bash
set -u
set -e
me="$0"
PACKAGE="dsc-statistics"
logecho() {
PVALUE="$1"
shift
STR="$@"
logger -p "$PVALUE" "$PACKAGE" -- "me: $STR"
PRE="$(echo $PVALUE | sed 's/[^\.]*\.\(.*\)/\1/' | tr 'a-z' 'A-Z')"
if tty -s || [ "$PRE" != "INFO" ] ; then
echo >&2 "$PRE: $STR"
fi
}
if ! command -v rsync >/dev/null; then
logecho daemon.err "rsync not found"
exit 1
fi
RSYNC_PARALLEL="1"
if [ -e "/etc/default/dsc-statistics-presenter" ]; then
. /etc/default/dsc-statistics-presenter
fi
usage() {
cat <<EOF
$0 - pull and process dsc data
Options:
-h|--help - Show this message
-r|--remove-source-files - Remove files from source host
-R|--rsync - Do the actual rsync (internal use only)
-s|--serial - Do rsyncs serially (to handle known_hosts issues)
EOF
}
function do_rsync {
NODEDIR=$1
mkdir -p $NODEDIR/incoming
cd $NODEDIR
USER=""
REMOTEHOST=""
UPLOADDIR=""
SSHKEY=""
RSYNCLOCOPTS=""
if [ -e "./config" ]; then
. ./config
if [ -n "$REMOTEHOST" ]; then
if ! rsync $RSYNCOPTS $RSYNCLOCOPTS --rsh="ssh -i $SSHKEY" --archive $USER@$REMOTEHOST:$UPLOADDIR/* $NODEDIR/incoming; then
logecho daemon.err "rsync from $REMOTEHOST failed with error code $?"
fi
else
logecho daemon.info "ignoring $NODEDIR, no REMOTEHOST set in config"
fi
else
logecho daemon.err "$NODEDIR/config not found"
fi
}
## Parse commandline
TEMP=$(getopt -n pull-and-process-data \
-l ,help,remove-source-files,rsync:,serial -- \
+hrR:s "$@")
if test "$?" != 0; then
echo "Terminating..." >&2
exit 1
fi
eval set -- ${TEMP}
RSYNC=""
RSYNCOPTS="${RSYNCOPTS:-}"
REMOVE_SOURCE_FILES=""
SERIAL=""
while test "$1" != "--"; do
case $1 in
-h|--help)
usage
exit 0
;;
-v|--verbose)
verbose=yes
;;
-r|--remove-source-files)
REMOVE_SOURCE_FILES="--remove-source-files"
;;
-R|--rsync)
shift
RSYNC="$1"
;;
-s|--serial)
SERIAL="1"
;;
esac
shift
done
shift
if [ "$REMOVE_SOURCE_FILES" = "--remove-source-files" ]; then
RSYNCOPTS="$RSYNCOPTS $REMOVE_SOURCE_FILES"
fi
if [ -n "$RSYNC" ]; then
do_rsync $RSYNC
exit 0
fi
if [ "$REMOVE_SOURCE_FILES" != "--remove-source-files" ]; then
logecho daemon.warning "WARN: test mode, will not remove source files"
fi
TIME0="$(date +%s)"
LOCKFILE="/var/run/dsc-statistics-presenter/pull-and-process-data.lock"
TIME1="$(date +%s)"
if ! dotlockfile -p -l "$LOCKFILE"; then
logecho daemon.err "lock not obtained (after $(( $TIME1 - $TIME0 )) ), aborting"
exit 1
fi
LOCKED=yes
CONFFILE="/etc/dsc-statistics/dsc-grapher.cfg"
BASEDIR="/var/lib/dsc-statistics"
DATADIR="$BASEDIR/data"
logecho daemon.info "lock obtained (after $(( $TIME1 - $TIME0 )) secs), start rsync"
NODEDIRS="$(< $CONFFILE grep '^server' | while read dummy SERVER nodes; do
SERVERDIR="$DATADIR/$SERVER"
test -L $SERVERDIR && continue;
test -d $SERVERDIR || continue;
for NODE in $nodes; do
NODEDIR="$SERVERDIR/$NODE"
test -L $NODEDIR && continue;
test -d $NODEDIR || continue;
echo "$NODEDIR"
done
done)"
export RSYNCOPTS
if [ -n "$SERIAL" ]; then
echo "serialized"
for nodedir in $NODEDIRS; do
echo $nodedir
do_rsync $nodedir
sleep 2 # allow for Ctrl-C
done
else
echo $NODEDIRS | xargs --no-run-if-empty --max-args=1 --max-procs=$RSYNC_PARALLEL $me --rsync
fi
TIME2="$(date +%s)"
logecho daemon.info "end rsync (after $(( $TIME2 - $TIME1 )) secs), starting refile-and-grok"
# run refile-and-grok twice to slowly catch up after outages
/usr/share/dsc-statistics-presenter/refile-and-grok
/usr/share/dsc-statistics-presenter/refile-and-grok
dotlockfile -u "$LOCKFILE" || true
TIME3="$(date +%s)"
logecho daemon.info "end refile-and-grok (after $(( $TIME3 - $TIME2 )) secs), end"
exit 0
# EOF
|
