Send email from planetdump script.

It seems that incron doesn't yet support sending email directly
using something like cron's `MAILTO` environment variable [1],
but I'd like to see the output to ensure that everything has
gone smoothly.

[1] http://inotify.aiken.cz/?section=incron&page=faq (see
    "Q: Can I catch outputs of executed commands?"

diff --git a/cookbooks/planet/templates/default/planetdump.erb b/cookbooks/planet/templates/default/planetdump.erb
index d891fc2eab4361cd73979ccf263bc449add0ffe0..dff206b35a2b0a9c271065711c850ffaa1aeda3c 100644 (file)
--- a/cookbooks/planet/templates/default/planetdump.erb
+++ b/cookbooks/planet/templates/default/planetdump.erb
@@ -26,12 +26,23 @@ if [ -f /tmp/planetdump.lock ]; then
     fi
 fi
 
+# Redirect this shell's output to a file. This is so that it
+# can be emailed later, since this script is run from incron
+# and incron doesn't yet support MAILTO like cron does. The
+# command below appears to work in bash as well as dash.
+logfile="/tmp/planetdump.log.$$"
+exec > $logfile 2>&1
+
 # Create Lock
 echo $$ > /tmp/planetdump.lock
 
 # Define cleanup function
 function cleanup {
     rm /tmp/planetdump.lock
+    # Send an email with the output, since incron doesn't yet
+    # support doing this in the incrontab.
+    /usr/bin/mailx -s "Planet dump output: ${file}" zerebubuth@gmail.com < $logfile
+    rm $logfile
 }
 
 # Remove lock on exit