使用openstack project list时，报以下错误：

'ascii' codec can't encode characters in position 453-457: ordinal not in range(128)

然后通过openstack --debug project list，尝试找到更多的报错信息

GET call to identity for http://keystone-ha-vip:35357/v3/projects used request id req-ba08ac3e-476c-49b9-837a-c08cd6ad0f6d
'ascii' codec can't encode characters in position 453-457: ordinal not in range(128)
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/cliff/app.py", line 400, in run_subcommand
    result = cmd.run(parsed_args)
  File "/usr/lib/python2.7/site-packages/osc_lib/command/command.py", line 41, in run
    return super(Command, self).run(parsed_args)
  File "/usr/lib/python2.7/site-packages/cliff/display.py", line 115, in run
    self.produce_output(parsed_args, column_names, data)
  File "/usr/lib/python2.7/site-packages/cliff/lister.py", line 53, in produce_output
    parsed_args,
  File "/usr/lib/python2.7/site-packages/cliff/formatters/table.py", line 112, in emit_list
    stdout.write(formatted)
  File "/usr/lib64/python2.7/codecs.py", line 351, in write
    data, consumed = self.encode(object, self.errors)
UnicodeEncodeError: 'ascii' codec can't encode characters in position 453-457: ordinal not in range(128)
clean_up ListProject: 'ascii' codec can't encode characters in position 453-457: ordinal not in range(128)
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/osc_lib/shell.py", line 134, in run
    ret_val = super(OpenStackShell, self).run(argv)
  File "/usr/lib/python2.7/site-packages/cliff/app.py", line 279, in run
    result = self.run_subcommand(remainder)
  File "/usr/lib/python2.7/site-packages/osc_lib/shell.py", line 169, in run_subcommand
    ret_value = super(OpenStackShell, self).run_subcommand(argv)
  File "/usr/lib/python2.7/site-packages/cliff/app.py", line 400, in run_subcommand
    result = cmd.run(parsed_args)
  File "/usr/lib/python2.7/site-packages/osc_lib/command/command.py", line 41, in run
    return super(Command, self).run(parsed_args)
  File "/usr/lib/python2.7/site-packages/cliff/display.py", line 115, in run
    self.produce_output(parsed_args, column_names, data)
  File "/usr/lib/python2.7/site-packages/cliff/lister.py", line 53, in produce_output
    parsed_args,
  File "/usr/lib/python2.7/site-packages/cliff/formatters/table.py", line 112, in emit_list
    stdout.write(formatted)
  File "/usr/lib64/python2.7/codecs.py", line 351, in write
    data, consumed = self.encode(object, self.errors)
UnicodeEncodeError: 'ascii' codec can't encode characters in position 453-457: ordinal not in range(128)

由此可见，是client端编码出了问题

检查系统环境变量

echo $LC_ALL， 输出C

确实是编码问题

解决方法是，在admin-openrc.sh脚本中增加：

export LC_ALL='en_US.UTF-8'解决