Add fix script

bin/fix

@@ -0,0 +1,47 @@
+#!/bin/bash
+#
+# Try to fix a service
+#
+# By default, the problem is "solved" the Microsoft way
+# (stop and start).
+# To do something more intelligent, create a
+# /federated/services/<service>/fix
+# script.
+
+if [ "$#" != 1 ]; then
+	echo Usage: $0 service
+	exit 1
+fi
+
+SERVICE="$1"
+
+if /federated/bin/check ${SERVICE}; then
+	echo "${SERVICE} doesn't seem to be broken"
+	exit 0
+fi
+
+/federated/bin/stop ${SERVICE}
+/federated/bin/start ${SERVICE}
+
+if /federated/bin/check ${SERVICE}; then
+	echo "${SERVICE} was (probably) fixed by a restart"
+	exit 0
+fi
+
+[ -e /federated/services/${SERVICE}/fix ] && . /federated/services/${SERVICE}/fix
+
+if /federated/bin/check ${SERVICE}; then
+	echo "${SERVICE} was (probably) fixed by the service fix script"
+	exit 0
+fi
+
+/federated/bin/stop ${SERVICE}
+/federated/bin/start ${SERVICE}
+
+if /federated/bin/check ${SERVICE}; then
+	echo "${SERVICE} was (probably) fixed by restarting after running the fix script"
+	exit 0
+fi
+
+echo "${SERVICE} is still broken. Please improve the fix script."
+exit 1