def startCluster(self, argv):
if len(argv) != 0:
print "ec2 startCluster"
sys.exit(-1)
regions = boto.ec2.regions()
regionInfo = '\n'.join(str(region).split(':')[1] for region in regions)
regionName = raw_input("select region:\n%s\n>>"%regionInfo)
region = boto.ec2.get_region(regionName)
conn = region.connect()
print "region connected successfully"
images = conn.get_all_images(owners='self')
imageInfo = '\n'.join(
str(image).split(':')[1] + ":" + image.name for image in images)
imageId = raw_input("enter imageId:\nself-created images:\n%s\n>>"%imageInfo)
instanceTypeInfo = ("m1.small, " "m1.large, " "m1.xlarge\n"
"c1.medium, " "c1.xlarge\n"
"m2.xlarge, " "m2.2xlarge, " "m2.4xlarge\n"
"cc1.4xlarge, " "t1.micro\n")
instanceType = raw_input("enter instanceType:\n%s\n>>"%instanceTypeInfo)
availZone = raw_input("enter placement[a,b,c]:\n>>")
availZone = regionName + availZone
diskSize = int(raw_input("enter disk size[G]:\n>>"))
rootDev = BlockDeviceType()
rootDev.name = 'root'
rootDev.size = diskSize
rootDev.delete_on_termination = True
instStorage = bool(raw_input("mount inst storage?\n>>"))
mapping = BlockDeviceMapping()
mapping['/dev/sda1'] = rootDev
if (instStorage == True):
eph0 = BlockDeviceType()
eph0.ephemeral_name = 'ephemeral0'
mapping['/dev/sdb'] = eph0
groups = conn.get_all_security_groups()
groupInfo = '\n'.join(str(group).split(':')[1] for group in groups)
group = raw_input("enter securityGroup:\n%s\n>>"%groupInfo)
keys = conn.get_all_key_pairs()
if len(keys) == 1:
key = keys[0].name
print 'using default key: ' + key
else:
keyInfo = '\n'.join(str(key).split(':')[1] for key in keys)
key = raw_input("enter key name:\n%s\n>>"%keyInfo)
numNodes = int(raw_input("number of nodes:\n>>"))
conn.run_instances(
imageId, min_count=numNodes, max_count=numNodes, placement=availZone,
security_groups = [group], instance_type=instanceType,
block_device_map=mapping, key_name=key)
