+
+ #to scan and store the nodes's public keys and avoid to ask for confirmation when ssh
+ def scan_publicKeys(self,hostnames):
+ try:
+ temp_knownhosts="/root/known_hosts"
+ remote_knownhosts="/root/.ssh/known_hosts"
+ self.run_in_host("touch %s"%temp_knownhosts )
+ for hostname in hostnames:
+ utils.header("Scan Public %s key and store it in the known_host file(under the root image) "%hostname)
+ scan=self.run_in_host('ssh-keyscan -t rsa %s >> %s '%(hostname,temp_knownhosts))
+ #Store the public keys in the right root image
+ self.copy_in_guest(temp_knownhosts,remote_knownhosts,True)
+ #clean the temp keys file used
+ self.run_in_host('rm -f %s '%temp_knownhosts )
+ except Exception, err:
+ print err
+