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-rw-r--r--cloudinit/CloudConfig/cc_ssh.py8
1 files changed, 8 insertions, 0 deletions
diff --git a/cloudinit/CloudConfig/cc_ssh.py b/cloudinit/CloudConfig/cc_ssh.py
index 7b9ba5ab..c4603d2b 100644
--- a/cloudinit/CloudConfig/cc_ssh.py
+++ b/cloudinit/CloudConfig/cc_ssh.py
@@ -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 ""; '