Q & A：

修改minion 的配置文件中master 的值后，启动报错，如下：

Traceback (most recent call last):
  File "/usr/lib/python2.6/site-packages/salt/scripts.py", line 81, in minion_process
    minion.start()
  File "/usr/lib/python2.6/site-packages/salt/cli/daemons.py", line 277, in start
    self.minion.tune_in()
  File "/usr/lib/python2.6/site-packages/salt/minion.py", line 1648, in tune_in
    self.sync_connect_master()
  File "/usr/lib/python2.6/site-packages/salt/minion.py", line 720, in sync_connect_master
    self.io_loop.start()
  File "/usr/lib64/python2.6/site-packages/zmq/eventloop/ioloop.py", line 151, in start
    super(ZMQIOLoop, self).start()
  File "/usr/lib64/python2.6/site-packages/tornado/ioloop.py", line 809, in start
    self._run_callback(callback)
  File "/usr/lib64/python2.6/site-packages/tornado/ioloop.py", line 591, in _run_callback
    ret = callback()
  File "/usr/lib64/python2.6/site-packages/tornado/stack_context.py", line 274, in null_wrapper
    return fn(*args, **kwargs)
  File "/usr/lib64/python2.6/site-packages/tornado/gen.py", line 963, in <lambda>
    self.future, lambda f: self.run())
  File "/usr/lib64/python2.6/site-packages/tornado/gen.py", line 879, in run
    yielded = self.gen.send(value)
  File "/usr/lib/python2.6/site-packages/salt/crypt.py", line 553, in sign_in
    raise SaltSystemExit('Invalid master key')
SaltSystemExit: Invalid master key

引起原因

认证key的错误造成。

解决方案：

• 1、删除 /etc/salt/pki 目录，

• 2、重启 minion，在master端认证即可。