'rebuild' fails with iscsi_ilo driver

[Ramakrishnan G (rameshg87)]

Rebuild is failing with iscsi_ilo driver with the following error:

2015-06-19 00:34:54.003 DEBUG ironic.drivers.modules.ilo.common [-] Node e7e1ef37-0fe4-461a-a4ba-09de67148ad9 boot mode is being set to bios from (pid=6936) update_boot_mode /opt/stack/ironic/ironic/drivers/modules/ilo/common.py:333
2015-06-19 00:34:54.315 INFO ironic.drivers.modules.ilo.common [-] Node e7e1ef37-0fe4-461a-a4ba-09de67148ad9 pending boot mode is bios.
2015-06-19 00:34:54.316 DEBUG ironic.drivers.modules.ilo.deploy [-] Trying to get a boot ISO to boot the baremetal node from (pid=6936) _get_boot_iso /opt/stack/ironic/ironic/drivers/modules/ilo/deploy.py:108
2015-06-19 00:34:54.316 DEBUG ironic.drivers.modules.ilo.deploy [-] Using ilo_boot_iso provided in node's instance_info from (pid=6936) _get_boot_iso /opt/stack/ironic/ironic/drivers/modules/ilo/deploy.py:113
2015-06-19 00:34:54.325 ERROR ironic.drivers.modules.ilo.deploy [-] Virtual media deploy accepts only Glance images or HTTP(S) URLs as instance_info['ilo_boot_iso']. Either swift:boot-e7e1ef37-0fe4-461a-a4ba-09de67148ad9 is not a valid HTTP(S) URL or is not reachable.
2015-06-19 00:34:54.328 ERROR ironic.drivers.modules.ilo.deploy [-] Deploy failed for instance bc4e27a5-80a2-4e4e-b05d-d0ba621abdec. Error: Validation of image href swift:boot-e7e1ef37-0fe4-461a-a4ba-09de67148ad9 failed, reason: No connection adapters were found for 'swift:boot-e7e1ef37-0fe4-461a-a4ba-09de67148ad9'
2015-06-19 00:34:54.330 DEBUG ironic.common.states [-] Exiting old state 'deploying' in response to event 'fail' from (pid=6936) on_exit /opt/stack/ironic/ironic/common/states.py:178
2015-06-19 00:34:54.331 DEBUG ironic.common.states [-] Entering new state 'deploy failed' in response to event 'fail' from (pid=6936) on_enter /opt/stack/ironic/ironic/common/states.py:184
2015-06-19 00:35:01.541 INFO ironic.conductor.utils [-] Successfully set node e7e1ef37-0fe4-461a-a4ba-09de67148ad9 power state to power off.

[Ramakrishnan G (rameshg87) (rameshg87)]

The problem is because the ilo_boot_iso from the previous deploy is not cleared which causes the failure. This should be cleared if it's a glance image (which means that boot iso was auto created or fetched from glance).