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Use atomic move function on known host file in paramiko to prevent rare occurance of Control-C

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during file operations.
This commit is contained in:
Michael DeHaan 2014-08-04 10:50:14 -04:00
parent a7d2e729f8
commit 642b183fb6
1 changed files with 7 additions and 1 deletions
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8
lib/ansible/runner/connection_plugins/paramiko_ssh.py
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@ -381,7 +381,13 @@ class Connection(object):
self.ssh.load_system_host_keys() self.ssh.load_system_host_keys()
self.ssh._host_keys.update(self.ssh._system_host_keys) self.ssh._host_keys.update(self.ssh._system_host_keys)
self._save_ssh_host_keys(self.keyfile)
# save the new keys to a temporary file and move it into place
# rather than rewriting the file
tmp_keyfile = tempfile.NamedTemporaryFile()
self._save_ssh_host_keys(tmp_keyfile)
atomic_move(tmp_keyfile.name, self.keyfile)
tmp_keyfile.close()
except: except: