python将ansible配置转为json格式实例代码

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python将ansible配置转为json格式实例代码

ansible的配置文件举例如下,这种配置文件不利于在前端的展现,因此,我们用一段简单的代码将ansible的配置文件转为json格式的:


    [webserver]
    192.168.204.70
    192.168.204.71

    [dbserver]
    192.168.204.72
    192.168.204.73
    192.168.204.75

    [proxy]
    192.168.204.76
    192.168.204.77
    192.168.204.78

    [test]
    192.168.204.79
    192.168.204.80

    [haproxy]
    192.168.205.82
    192.168.204.83


用python将ansible配置转为json格式,python代码如下:


    import ConfigParser
    import json
    dict_result = {}
    cf = ConfigParser.ConfigParser(allow_no_value=True)
    cf.read('/etc/ansible/hosts.test')
    secs = cf.sections()
    for sec in secs:
     dict_result[sec] = cf.options(sec)
    print json.dumps(dict_result)

转换结果如下(python版本使用2.7版本的):

/usr/local/python/bin/python /tmp/test.py
{"test": ["192.168.204.79", "192.168.204.80"], "haproxy": ["192.168.205.82", "192.168.204.83"], "webserver": ["192.168.204.70", "192.168.204.71"], "proxy": ["192.168.204.76", "192.168.204.77", "192.168.204.78"], "dbserver": ["192.168.204.72", "192.168.204.73", "192.168.204.75"]}

转换成json文件就方便在前端进行展示了,使用Flask提供json格式的接口如下:


    #获取ansible分组
    @app.route('/web_test/ansible')
    def web_test_ansible():
      dict_result = {}
      cf = ConfigParser.ConfigParser(allow_no_value=True)
      cf.read('/etc/ansible/hosts.test')
      secs = cf.sections()
      for sec in secs:
        dict_result[sec] = cf.options(sec)
      return json.dumps(dict_result)


然后前端代码(使用bootstrap treeview)如下:


    <script src="/static/js/bootstrap-treeview.js"></script>
      <script type="text/javascript">
        $(document).ready(function () {

          $('#btn-get-hostgroup').click(function () {
            getAllCheck = $('#hostgrouptree').treeview('getChecked');
            for (var i = 0; i < getAllCheck.length; i++) {
              console.log(getAllCheck[i].text);
            }
          });


          $.ajax({
            url: '/web_test/ansible',
            type: 'GET',
            success: function (data) {
              result = JSON.parse(data);
              nodes = [];
              for (var hostgroup in result) {
                var nodeshostgroup = [];
                hosts = result[hostgroup];
                for (var i = 0; i < hosts.length; i++) {
                  nodeshostgroup.push({text: hosts[i], selectable:false});
                }
                nodes.push({text: hostgroup, nodes: nodeshostgroup, selectable:false});
              }
              $('#hostgrouptree').treeview({data: [{text: 'all', nodes: nodes, selectable:false}], showCheckbox: true, showBorder:false});
            }
          });
        });
      </script>
    {% endblock %}
    {% block page_content %}

      <div class="col-md-4" id="hostgrouptree">

      </div>

      <div class="col-md-6">
        <button id="btn-get-hostgroup" type="button" class="btn btn-default">获取选中的组</button>
      </div>


ansible的配置文件在前端的展示如下,获取ansible选中的组,利用ansible命令就可以实现一些简单的自动化操作了:

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