# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-componentlist=/home/staticsync/etc/static-components
+componentlist=/etc/static-components.conf
base=/home/staticsync/static-master/master
set -e
set -u
+if [ "`id -u`" != "`stat -c %u "$base"`" ]; 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 $locktype failed) - Very bad, we should have waited!"
exit 1
fi
}
exit 1
fi
-src="$(awk -v component="$component" '$1 == component {print $2; exit}' "$componentlist")"
-if [ -z "$src" ]; then
+srchost="$(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/$component"
if ! [ -d "$tgt" ]; then
- echo >&2 "$0: Invalid component: $component ($tgt does not exist)";
- exit 1
+ echo "$0: Creating $tgt for $component";
+ mkdir "$tgt"
+fi
+
+if [ "$srchost" = "`hostname -f`" ]; then
+ src="$srcdir"
+else
+ src="$srchost:$srcdir"
fi
echo "$0: Acquiring locks..."
-lock 200 "$base" 0
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="$base" "${component}-updating.incoming-XXXXXX")"
+tmpdir_old="$(mktemp -d --tmpdir="$base" "${component}-updating.removing-XXXXXX")"
trap "rm -rf '$tmpdir_new' '$tmpdir_old'" EXIT
chmod 0755 "$tmpdir_new"
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."
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."
+ 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"
+date '+%s' > "$tgt/.serial"
unlock 201
-unlock 200
+unlock 202
echo "$0: Triggering mirror runs..."
-exec static-master-run
+exec static-master-run "$component"
# vim:set et:
# vim:set ts=2: