I just made a small script to migrate dashboards between two graphite servers.
Couldn't find a similar one anywhere, so I thought I'd upload it.
Note it's using http for its HTTP calls. It looks real nice.

old_server='http://old.server.com:1234'
new_server='http://better.server.com:123'
creds …

The story

Although HBase is a crucial component in our current stack, the monitoring for it was quite incomplete. We only had general "is it running?" monitoring, with some very application-specific tests ("make sure scanning this table doesn't take too long").
By sending detailed metrics on our HBase tables/regions …