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| author | Scott Moser <smoser@ubuntu.com> | 2011-10-31 10:56:06 -0400 |
|---|---|---|
| committer | Scott Moser <smoser@ubuntu.com> | 2011-10-31 10:56:06 -0400 |
| commit | 7fc73a8d5585794ebf3a4b1a5a9e966a74f95607 (patch) | |
| tree | 111d49faa5610207e46d097404b5ac92da5113bd | |
| parent | a2aa4805f018a9d8ff8baff7c2f6cb91e532c4d2 (diff) | |
| download | vyos-cloud-init-7fc73a8d5585794ebf3a4b1a5a9e966a74f95607.tar.gz vyos-cloud-init-7fc73a8d5585794ebf3a4b1a5a9e966a74f95607.zip | |
make ssh host key deletion configurable
Garret's patch cloud-init-0.6.2-sshsvc.patch did 2 separate
things. This hunk makes deletion of keys configurable, and
then makes generation of the keys only done if the key
does not exist.
TODO: document ssh_genkeytypes.
taken from
git://pkgs.fedoraproject.org/cloud-init.git
commit 87f33190f43d2b26cced4597e7298835024466c2
Author: Garrett Holmstrom <gholms@fedoraproject.org>
Patch11: cloud-init-0.6.2-sshsvc.patch
| -rw-r--r-- | cloudinit/CloudConfig/cc_ssh.py | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/cloudinit/CloudConfig/cc_ssh.py b/cloudinit/CloudConfig/cc_ssh.py index 296b18f2..9f5dc567 100644 --- a/cloudinit/CloudConfig/cc_ssh.py +++ b/cloudinit/CloudConfig/cc_ssh.py @@ -31,9 +31,10 @@ def handle(name,cfg,cloud,log,args): global_log = log # remove the static keys from the pristine image - for f in glob.glob("/etc/ssh/ssh_host_*key*"): - try: os.unlink(f) - except: pass + if cfg.get("ssh_deletekeys", True): + for f in glob.glob("/etc/ssh/ssh_host_*key*"): + try: os.unlink(f) + except: pass if cfg.has_key("ssh_keys"): # if there are keys in cloud-config, use them @@ -63,8 +64,10 @@ def handle(name,cfg,cloud,log,args): # if not, generate them for keytype in util.get_cfg_option_list_or_str(cfg, 'ssh_genkeytypes', ['rsa', 'dsa', 'ecdsa']): - subprocess.call(['ssh-keygen', '-t', keytype, '-N', '', - '-f', '/etc/ssh/ssh_host_%s_key' % keytype]) + keyfile = '/etc/ssh/ssh_host_%s_key' % keytype + if not os.path.exists(keyfile): + subprocess.call(['ssh-keygen', '-t', keytype, '-N', '', + '-f', keyfile]) util.restorecon_if_possible('/etc/ssh', recursive=True) |