Adds a new 'troubleshooting' function which encapsulates
the things we might want to do when something bad happens.
Typically this is echo'ing a simple message and launching a
bash shell.
The new troubleshooting function also makes use of a new
'troubleshoot' kernel param which if specific will allow you to
hang the deployment process and interactively debug the deploy_ramdisk
via a bash shell on a console.
Troubleshoot is disabled by default.
Fixes LP Bug #1191043.
Change-Id: I2cba8a9674075ba7e420027d40ef8cbe756cf07e
Updates our deploy element's init script so that it calls
find_disk in a loop until it returns true (meaning we have a disk).
Previously on some bare metal machines find_disk would return ""
which causes the subsequent iscsi target commands to fail due to
a bad backing store.
This commit also updates the error message when start_iscsi_target
fails to be a bit more accurate as well.
Fixes LP Bug #1190984.
Change-Id: I3cd535d6672c197c1c3c539c83bba36be7a14e18
Flavour is overloaded in openstack due to it being used by nova. Element
seems to have the same feeling of combinability without using a term already
in active use in the openstack community.
Change-Id: Ia4c028d4062a8f69c66665821c94dd4bcdf06031
