64 lines
2.3 KiB
Python
Executable File
64 lines
2.3 KiB
Python
Executable File
#!/usr/bin/python
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import eventlet
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from eventlet.green import socket
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import libssh2
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import time
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import os
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import random
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import base64
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import uuid
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import M2Crypto
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from novaclient.v1_1 import client
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def instance_start(instance_name, image_name, flavor_name):
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"""
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Method to start an instance
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"""
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def _null_callback(p, n, out):
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"""
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Method to silence the default M2Crypto.RSA.gen_key output.
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"""
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pass
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private_key = M2Crypto.RSA.gen_key(2048, 65537, _null_callback)
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# this is the binary public key, in ssh "BN" (BigNumber) MPI format.
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# The ssh BN MPI format consists of 4 bytes that describe the length
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# of the following data, followed by the data itself in big-endian
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# format. The start of the string is 0x0007, which represent the 7
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# bytes following that make up 'ssh-rsa'. The key exponent and
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# modulus as fetched out of M2Crypto are already in MPI format, so
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# we can just use them as-is. We then have to base64 encode the
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# result, add a little header information, and then we have a
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# full public key.
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username = os.environ['OS_USERNAME']
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password = os.environ['OS_PASSWORD']
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tenant = os.environ['OS_TENANT_NAME']
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auth_url = os.environ['OS_AUTH_URL']
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nova_client = client.Client(username, password, tenant, auth_url, service_type='compute', service_name='nova')
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public_key_bn = '\x00\x00\x00\x07' + 'ssh-rsa' + private_key.e + private_key.n
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public_key = 'ssh-rsa %s support@heat-api.org\n' % (base64.b64encode(public_key_bn))
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private_key.save_key('/tmp/private_key', cipher=None)
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random_uuid = uuid.uuid4()
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key_uuid = uuid.uuid3(random_uuid, '%s %s %s' % (instance_name, image_name, flavor_name))
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nova_client.keypairs.create(str(key_uuid), public_key)
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image_list = nova_client.images.list()
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for o in image_list:
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if getattr(o, 'name', '') == image_name:
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image_id = o.id #getattr(o, 'id', '')
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flavor_list = nova_client.flavors.list()
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for o in flavor_list:
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if getattr(o, 'name', '') == flavor_name:
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flavor_id = getattr(o, 'id', '')
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nova_client.servers.create(name=instance_name, image=image_id,
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flavor=flavor_id, key_name=str(key_uuid))
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return private_key
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instance_start('instance-F16-test', 'F16-x86_64', "m1.tiny")
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