Add logic for deploying simple backup app

rattail_fabric/deploy/backup/backup-everything.mako

@@ -0,0 +1,18 @@
+#!/bin/sh -e
+
+if [ "$1" = "-v" -o "$1" = "--verbose" ]; then
+    VERBOSE='--verbose'
+    PROGRESS='--progress'
+    CONFIG='app/rattail.conf'
+else
+    VERBOSE=
+    PROGRESS=
+    CONFIG='app/silent.conf'
+fi
+
+
+cd /srv/envs/${envname}
+
+RATTAIL="bin/rattail --config=$CONFIG $PROGRESS"
+
+$RATTAIL backup

rattail_fabric/deploy/backup/crontab.mako

@@ -0,0 +1,4 @@
+# -*- mode: conf; -*-
+
+# backup everything of importance at ${pretty_time}
+${'' if env.server_is_live else '# '}${cron_time} * * *  root  /usr/local/bin/backup-everything