Make each overnight script optional

trying to phase out at least 1, maybe 2 of them...

this also cleans up the 'restart' script to use 'rattail overnight'
per recent changes.  this seems the most useful to have around, in
case of web app failure

rattail_fabric2/deploy/luigi/cron-overnight.sh.mako

@@ -1,10 +1,4 @@
 #!/bin/sh -e
-<%text>############################################################</%text>
-#
-# overnight automation (${automation}) via cron
-#
-<%text>############################################################</%text>
-
 
 cd ${envroot}
 
@@ -15,4 +9,5 @@ $RATTAIL overnight ${automation.lower()} <%text>\</%text>
         % if email_key is not Undefined and email_key:
         --email-key '${email_key}' <%text>\</%text>
         % endif
-        --no-email-if-empty
+        --no-email-if-empty <%text>\</%text>
+        --wait

rattail_fabric2/deploy/luigi/restart-overnight.sh.mako

@@ -1,5 +1,13 @@
 #!/bin/sh -e
 
-DATE=`date --date='yesterday' +%Y-%m-%d`
+cd ${envroot}
 
-echo "${envroot}/bin/rattail -c ${appdir}/cron.conf --no-versioning run-n-mail ${"--key '{}'".format(email_key) if email_key is not Undefined and email_key else ''} -S 'Overnight catch-up: ${automation}' '${appdir}/overnight-${automation.lower()}.sh $DATE'" | at 'now + 1 minute'
+RATTAIL="bin/rattail --config=app/cron.conf"
+
+$RATTAIL overnight ${automation.lower()} <%text>\</%text>
+        --no-versioning <%text>\</%text>
+        % if email_key is not Undefined and email_key:
+        --email-key '${email_key}' <%text>\</%text>
+        % endif
+        --email-if-empty <%text>\</%text>
+        --no-wait

rattail_fabric2/luigi.py

@@ -73,7 +73,8 @@ def install_luigi(c, envroot, luigi='luigi', user='rattail', db_connection=None)
 
 
 def install_overnight_script(c, envroot, user='rattail', automation='All',
-                             email_key=None):
+                             email_key=None,
+                             luigi=True, cron=True, restart=True):
     """
     Install an overnight automation script
     """
@@ -81,6 +82,7 @@ def install_overnight_script(c, envroot, user='rattail', automation='All',
     appdir = '{}/app'.format(envroot)
 
     # overnight-*.sh
+    if luigi:
         filename = 'overnight-{}.sh'.format(automation.lower())
         deploy_common(c, 'luigi/overnight.sh.mako',
                       '{}/{}'.format(appdir, filename),
@@ -89,6 +91,7 @@ def install_overnight_script(c, envroot, user='rattail', automation='All',
                                'automation': automation})
 
     # cron-overnight-*.sh
+    if cron:
         filename = 'cron-overnight-{}.sh'.format(automation.lower())
         deploy_common(c, 'luigi/cron-overnight.sh.mako',
                       '{}/{}'.format(appdir, filename),
@@ -98,6 +101,7 @@ def install_overnight_script(c, envroot, user='rattail', automation='All',
                                'email_key': email_key})
 
     # restart-overnight-*.sh
+    if restart:
         filename = 'restart-overnight-{}.sh'.format(automation.lower())
         deploy_common(c, 'luigi/restart-overnight.sh.mako',
                       '{}/{}'.format(appdir, filename),