# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
componentlist=/etc/static-components.conf
-base=/home/staticsync/static-master/master
+. /etc/staticsync.conf
+if ! [ -n "$masterbase" ]; then
+ echo >&2 "masterbase not configured!"
+ exit 1
+fi
set -e
set -u
+if [ "`id -u`" != "`stat -c %u "$masterbase"`" ]; then
+ echo >&2 "You are probably running this as the wrong user."
+ exit 1
+fi
lock() {
local fd="$1"; shift
fi
if ! flock "$locktype" "$fd"; then
- echo >&2 "$0: Cannot acquire lock on $base (flock $locktype failed) - Very bad, we should have waited!"
+ echo >&2 "$0: Cannot acquire lock on $path (flock $locktype failed) - Very bad, we should have waited!"
exit 1
fi
}
exit 1
fi
-srchost="$(awk -v component="$component" '$1 == component {print $2; exit}' "$componentlist")"
-srcdir="$(awk -v component="$component" '$1 == component {print $3; exit}' "$componentlist")"
+srchost="$(awk -v this_host="$(hostname -f)" -v component="$component" '!/^ *(#|$)/ && $1 == this_host && $2 == component {print $3; exit}' "$componentlist")"
+srcdir="$(awk -v this_host="$(hostname -f)" -v component="$component" '!/^ *(#|$)/ && $1 == this_host && $2 == component {print $4; exit}' "$componentlist")"
if [ -z "$srchost" ] || [ -z "$srcdir" ]; then
echo >&2 "$0: Invalid component: $component (not found in $componentlist)";
exit 1
fi
-tgt="$base/$component"
+
+tgtlock="$masterbase/$component.lock"
+if ! [ -e "$tgtlock" ]; then
+ touch "$tgtlock"
+fi
+echo "$0: Acquiring lock on $tgtlock..."
+lock 203 "$tgtlock" 1
+
+tgt="$masterbase/$component"
if ! [ -d "$tgt" ]; then
- echo >&2 "$0: Invalid component: $component ($tgt does not exist)";
- exit 1
+ echo "$0: Creating $tgt for $component";
+ mkdir "$tgt"
fi
if [ "$srchost" = "`hostname -f`" ]; then
src="$srchost:$srcdir"
fi
-echo "$0: Acquiring locks..."
-lock 200 "$base" 0
-lock 201 "$tgt" 1
+#echo "$0: Acquiring lock on $tgt..."
+#lock 201 "$tgt" 1
-tmpdir_new="$(mktemp -d --tmpdir="$base" "${component}.new-XXXXXX")"
-tmpdir_old="$(mktemp -d --tmpdir="$base" "${component}.old-XXXXXX")"
+tmpdir_new="$(mktemp -d --tmpdir="$masterbase" "${component}-updating.incoming-XXXXXX")"
+tmpdir_old="$(mktemp -d --tmpdir="$masterbase" "${component}-updating.removing-XXXXXX")"
trap "rm -rf '$tmpdir_new' '$tmpdir_old'" EXIT
chmod 0755 "$tmpdir_new"
-lock 202 "$tmpdir_new" 1
+#echo "$0: Acquiring lock on $tmpdir_new..."
+#lock 202 "$tmpdir_new" 1
echo "$0: Got them."
echo "$0: Updating master copy of $component..."
rsync --delete \
- -tr \
+ -trz \
+ --links --hard-links --safe-links \
--link-dest="$tgt" \
+ --exclude='/.serial' \
"$src/." "$tmpdir_new/."
echo "$0: Done. Committing."
-mv "$tgt" "$tmpdir_old/old"
-if ! mv "$tmpdir_new" "$tgt"; then
+mv --no-target-directory "$tgt" "$tmpdir_old/old"
+if ! mv --no-target-directory "$tmpdir_new" "$tgt"; then
echo >&2 "$0: WARNING: could not move $tmpdir_new to $tgt. Trying to recover"
rm -rf "$tgt"
- mv "$tmpdir_old/old" "$tgt"
- echo >&2 "$0: Rolled back to old tree maybe successfully."
+ mv --no-target-directory "$tmpdir_old/old" "$tgt"
+ echo >&2 "$0: Rolled back to old tree, maybe even successfully."
exit 1
fi
rm -rf "$tmpdir_new" "$tmpdir_old"
trap - EXIT
-date '+%s' > "$base/.serial"
-unlock 201
-unlock 200
+date '+%s' > "$tgt/.serial"
+#unlock 201
+#unlock 202
+unlock 203
echo "$0: Triggering mirror runs..."
-exec static-master-run
+exec static-master-run "$component"
# vim:set et:
# vim:set ts=2: