pmsg("after attach:"+"".join(after_attach))
else:
break
time.sleep(5)
if new_devices == []:
raise Exception("Fail, Volume attached but not found on guest" + str(instance) )
attached_block_dev = "/dev/"+new_devices[0].strip()
pmsg("Attached to guest dev:"+attached_block_dev+"\nSplat our remote image into volume")
#Get the md5 of the remote image before writing it to the volume for comparison purposes
timeout=rfsize*time_per_gig+200
if ( md5sum is None ):
pmsg("MD5sum not provided, getting it now...")
cmd="curl -s "+url+" | md5sum "
md5sum=instance.sys(cmd , timeout=timeout)[0]
md5sum=md5sum.split(' ')[0]
pmsg("The md5sum of the remote image: "+str(md5sum))
#Download the remote image, write it directly to our volume
cmd="curl "+url+" > "+attached_block_dev+" && echo 'GOOD' && sync"
try:
pmsg("Issuing cmd:"+cmd+" , timeout:"+str(timeout))
output=instance.sys(cmd, timeout=timeout)
pmsg("Curl output:"+"".join(output))
result = output[len(output)-1]
result = result.split(' ')[0]
pmsg("curl cmd's parsed result:"+result)
except Exception, e:
raise Exception("failed to curl image into block dev: "+str(e))
#Make sure the curl command did not return error
