x/cloud-init
Code Issues Proposed changes

cc_ssh: if a private key is supplied, do not require public.

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given rsa_private_key, rsa_public_key is not needed in the ssh 
element of cloud-config.  instead, it can be generated with ssh-keygen -yf
This commit is contained in:
Scott Moser 2011-01-26 15:35:07 -05:00
parent 853631957c
commit 95bc6e77e8
1 changed files with 8 additions and 0 deletions
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8
cloudinit/CloudConfig/cc_ssh.py
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@ -38,6 +38,14 @@ def handle(name,cfg,cloud,log,args):
for key,val in cfg["ssh_keys"].items():
if key2file.has_key(key):
util.write_file(key2file[key][0],val,key2file[key][1])
priv2pub = { 'rsa_private':'rsa_public', 'dsa_private':'dsa_public' }
cmd = 'o=$(ssh-keygen -yf "%s") && echo "$o" root@localhost > "%s"'
for priv,pub in priv2pub.iteritems():
if pub in cfg['ssh_keys'] or not priv in cfg['ssh_keys']: continue
pair=(key2file[priv][0], key2file[pub][0])
subprocess.call(('sh', '-xc', cmd % pair))
log.debug("generated %s from %s" % pair)
else:
# if not, generate them
genkeys ='ssh-keygen -f /etc/ssh/ssh_host_rsa_key -t rsa -N ""; '