Paramiko library doesn't appear to support ECDSA host keys
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Key: LIBCLOUD-181
URL: https://issues.apache.org/jira/browse/LIBCLOUD-181
Project: Libcloud
Issue Type: Bug
Components: Compute
Affects Versions: 0.9.1
Reporter: Neil Wilson
When using 'deploy_node' with recent versions of Ubuntu (Oneiric and Precise -
which use ECDSA host keys) the deploy node will fail with the following trace:
DEBUG:paramiko.transport:starting thread (client mode): 0x2e4de10L
INFO:paramiko.transport:Connected (version 2.0, client OpenSSH_5.9p1)
DEBUG:paramiko.transport:kex algos:['ecdh-sha2-nistp256', 'ecdh-sha2-nistp384',
'ecdh-sha2-nistp521', 'diffie-hellman-group-exchange-sha256',
'diffie-hellman-group-exchange-sha1', 'diffie-hellman-group14-sha1',
'diffie-hellman-group1-sha1'] server key:['ssh-rsa', 'ssh-dss',
'ecdsa-sha2-nistp256'] client encrypt:['aes128-ctr', 'aes192-ctr',
'aes256-ctr', 'arcfour256', 'arcfour128', 'aes128-cbc', '3des-cbc',
'blowfish-cbc', 'cast128-cbc', 'aes192-cbc', 'aes256-cbc', 'arcfour',
'[email protected]'] server encrypt:['aes128-ctr', 'aes192-ctr',
'aes256-ctr', 'arcfour256', 'arcfour128', 'aes128-cbc', '3des-cbc',
'blowfish-cbc', 'cast128-cbc', 'aes192-cbc', 'aes256-cbc', 'arcfour',
'[email protected]'] client mac:['hmac-md5', 'hmac-sha1',
'[email protected]', 'hmac-sha2-256', 'hmac-sha2-256-96', 'hmac-sha2-512',
'hmac-sha2-512-96', 'hmac-ripemd160', '[email protected]',
'hmac-sha1-96', 'hmac-md5-96'] server mac:['hmac-md5', 'hmac-sha1',
'[email protected]', 'hmac-sha2-256', 'hmac-sha2-256-96', 'hmac-sha2-512',
'hmac-sha2-512-96', 'hmac-ripemd160', '[email protected]',
'hmac-sha1-96', 'hmac-md5-96'] client compress:['none', '[email protected]']
server compress:['none', '[email protected]'] client lang:[''] server lang:['']
kex follows?False
DEBUG:paramiko.transport:Ciphers agreed: local=aes128-ctr, remote=aes128-ctr
DEBUG:paramiko.transport:using kex diffie-hellman-group1-sha1; server key type
ssh-rsa; cipher: local aes128-ctr, remote aes128-ctr; mac: local hmac-sha1,
remote hmac-sha1; compression: local none, remote none
DEBUG:paramiko.transport:Switch to new keys ...
DEBUG:paramiko.transport:Adding ssh-rsa host key for
2a02:1348:14c:1920:24:19ff:fef0:6482: 27c41c9515e9c1c3d68c823d4933173b
Traceback (most recent call last):
File "test_deploy.py", line 32, in <module>
node = conn.deploy_node(name='libcloud test deploy', image=required_image,
size=required_size, deploy=msd, ssh_username=required_image.extra['username'],
ssh_key=os.path.expanduser('~/.ssh/id_rsa'))
File "/home/ubuntu/libcloud/libcloud/compute/base.py", line 607, in
deploy_node
raise DeploymentError(node, e)
libcloud.compute.types.DeploymentError: <DeploymentError: node=srv-xfdow,
error=not a valid DSA private key file>
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