Revision a24aed2a

b/lib/client/gnt_cluster.py
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                    action="store_true", dest="groups",
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                    help="Arguments are node groups instead of nodes")
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SHOW_MACHINE_OPT = cli_option("-M", "--show-machine-names", default=False,


  		





  
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                              action="store_true",


  		





  
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                              help="Show machine name for every line in output")


  		





  
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_EPO_PING_INTERVAL = 30 # 30 seconds between pings


  		





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_EPO_PING_TIMEOUT = 1 # 1 second


  		





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_EPO_REACHABLE_TIMEOUT = 15 * 60 # 15 minutes


  		





  ......




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  for name in nodes:


  		





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    result = srun.Run(name, "root", command)


  		





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    ToStdout("------------------------------------------------")


  		





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    ToStdout("node: %s", name)


  		





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    ToStdout("%s", result.output)


  		





  
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    if opts.show_machine_names:


  		





  
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      for line in result.output.splitlines():


  		





  
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        ToStdout("%s: %s", name, line)


  		





  
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    else:


  		





  
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      ToStdout("node: %s", name)


  		





  
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      ToStdout("%s", result.output)


  		





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    ToStdout("return code = %s", result.exit_code)


  		





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  return 0


  		





  ......




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    "[-n node...] <filename>", "Copies a file to all (or only some) nodes"),


  		





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  "command": (


  		





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    RunClusterCommand, [ArgCommand(min=1)],


  		





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    [NODE_LIST_OPT, NODEGROUP_OPT],


  		





  
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    [NODE_LIST_OPT, NODEGROUP_OPT, SHOW_MACHINE_OPT],


  		





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    "[-n node...] <command>", "Runs a command on all (or only some) nodes"),


  		





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  "info": (


  		





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    ShowClusterConfig, ARGS_NONE, [ROMAN_OPT],


  		












  

    
      b/man/gnt-cluster.rst
    
  






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COMMAND


  		





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~~~~~~~


  		





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**command** [-n *node*] [-g *group*] {*command*}


  		





  
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**command** [-n *node*] [-g *group*] [-M] {*command*}


  		





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Executes a command on all nodes. If the option ``-n`` is not given,


  		





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the command will be executed on all nodes, otherwise it will be


  		





  ......




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    # gnt-cluster command -g default date


  		





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The ``-M`` option can be used to prepend the node name to all output


  		





  
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lines.


  		





  
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The command is executed serially on the selected nodes. If the


  		





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master node is present in the list, the command will be executed


  		





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last on the master. Regarding the other nodes, the execution order


  		












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