Merge pull request #140 from detiber/os_zabbix

move zbxapi module to a new os_zabbix role

1 files changed, 273 insertions, 0 deletions

diff --git a/roles/os_zabbix/library/zbxapi.py b/roles/os_zabbix/library/zbxapi.py
new file mode 100755
index 000000000..f4f52909b
--- /dev/null
+++ b/roles/os_zabbix/library/zbxapi.py
@@ -0,0 +1,273 @@
+#!/usr/bin/env python
+
+#   Copyright 2015 Red Hat Inc.
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#
+#  Purpose: An ansible module to communicate with zabbix.
+#
+
+import json
+import httplib2
+import sys
+import os
+import re
+
+class ZabbixAPI(object):
+    '''
+        ZabbixAPI class
+    '''
+    classes = {
+        'Action': ['create', 'delete', 'get', 'update'],
+        'Alert': ['get'],
+        'Application': ['create', 'delete', 'get', 'massadd', 'update'],
+        'Configuration': ['export', 'import'],
+        'Dcheck': ['get'],
+        'Dhost': ['get'],
+        'Drule': ['copy', 'create', 'delete', 'get', 'isreadable', 'iswritable', 'update'],
+        'Dservice': ['get'],
+        'Event': ['acknowledge', 'get'],
+        'Graph': ['create', 'delete', 'get', 'update'],
+        'Graphitem': ['get'],
+        'Graphprototype': ['create', 'delete', 'get', 'update'],
+        'History': ['get'],
+        'Hostgroup': ['create', 'delete', 'get', 'isreadable', 'iswritable', 'massadd', 'massremove', 'massupdate', 'update'],
+        'Hostinterface': ['create', 'delete', 'get', 'massadd', 'massremove', 'replacehostinterfaces', 'update'],
+        'Host': ['create', 'delete', 'get', 'isreadable', 'iswritable', 'massadd', 'massremove', 'massupdate', 'update'],
+        'Hostprototype': ['create', 'delete', 'get', 'isreadable', 'iswritable', 'update'],
+        'Httptest': ['create', 'delete', 'get', 'isreadable', 'iswritable', 'update'],
+        'Iconmap': ['create', 'delete', 'get', 'isreadable', 'iswritable', 'update'],
+        'Image': ['create', 'delete', 'get', 'update'],
+        'Item': ['create', 'delete', 'get', 'isreadable', 'iswritable', 'update'],
+        'Itemprototype': ['create', 'delete', 'get', 'isreadable', 'iswritable', 'update'],
+        'Maintenance': ['create', 'delete', 'get', 'update'],
+        'Map': ['create', 'delete', 'get', 'isreadable', 'iswritable', 'update'],
+        'Mediatype': ['create', 'delete', 'get', 'update'],
+        'Proxy': ['create', 'delete', 'get', 'isreadable', 'iswritable', 'update'],
+        'Screen': ['create', 'delete', 'get', 'update'],
+        'Screenitem': ['create', 'delete', 'get', 'isreadable', 'iswritable', 'update', 'updatebyposition'],
+        'Script': ['create', 'delete', 'execute', 'get', 'getscriptsbyhosts', 'update'],
+        'Service': ['adddependencies', 'addtimes', 'create', 'delete', 'deletedependencies', 'deletetimes', 'get', 'getsla', 'isreadable', 'iswritable', 'update'],
+        'Template': ['create', 'delete', 'get', 'isreadable', 'iswritable', 'massadd', 'massremove', 'massupdate', 'update'],
+        'Templatescreen': ['copy', 'create', 'delete', 'get', 'isreadable', 'iswritable', 'update'],
+        'Templatescreenitem': ['get'],
+        'Trigger': ['adddependencies', 'create', 'delete', 'deletedependencies', 'get', 'isreadable', 'iswritable', 'update'],
+        'Triggerprototype': ['create', 'delete', 'get', 'update'],
+        'User': ['addmedia', 'create', 'delete', 'deletemedia', 'get', 'isreadable', 'iswritable', 'login', 'logout', 'update', 'updatemedia', 'updateprofile'],
+        'Usergroup': ['create', 'delete', 'get', 'isreadable', 'iswritable', 'massadd', 'massupdate', 'update'],
+        'Usermacro': ['create', 'createglobal', 'delete', 'deleteglobal', 'get', 'update', 'updateglobal'],
+        'Usermedia': ['get'],
+    }
+
+    def __init__(self, data={}):
+        self.server = data['server'] or None
+        self.username = data['user'] or None
+        self.password = data['password'] or None
+        if any(map(lambda value: value == None, [self.server, self.username, self.password])):
+            print 'Please specify zabbix server url, username, and password.'
+            sys.exit(1)
+
+        self.verbose = data.has_key('verbose')
+        self.use_ssl = data.has_key('use_ssl')
+        self.auth = None
+
+        for class_name, method_names in self.classes.items():
+            #obj = getattr(self, class_name)(self)
+            #obj.__dict__
+            setattr(self, class_name.lower(), getattr(self, class_name)(self))
+
+        results = self.user.login(user=self.username, password=self.password)
+
+        if results[0]['status'] == '200':
+            if results[1].has_key('result'):
+                self.auth = results[1]['result']
+            elif results[1].has_key('error'):
+                print "Unable to authenticate with zabbix server. {0} ".format(results[1]['error'])
+                sys.exit(1)
+        else:
+            print "Error in call to zabbix. Http status: {0}.".format(results[0]['status'])
+            sys.exit(1)
+
+    def perform(self, method, params):
+        '''
+        This method calls your zabbix server.
+
+        It requires the following parameters in order for a proper request to be processed:
+
+            jsonrpc - the version of the JSON-RPC protocol used by the API; the Zabbix API implements JSON-RPC version 2.0;
+            method - the API method being called;
+            params - parameters that will be passed to the API method;
+            id - an arbitrary identifier of the request;
+            auth - a user authentication token; since we don't have one yet, it's set to null.
+        '''
+        http_method = "POST"
+        if params.has_key("http_method"):
+            http_method = params['http_method']
+
+        jsonrpc = "2.0"
+        if params.has_key('jsonrpc'):
+            jsonrpc = params['jsonrpc']
+
+        rid = 1
+        if params.has_key('id'):
+            rid = params['id']
+
+        http = None
+        if self.use_ssl:
+            http = httplib2.Http()
+        else:
+            http = httplib2.Http( disable_ssl_certificate_validation=True,)
+
+        headers = params.get('headers', {})
+        headers["Content-type"] = "application/json"
+
+        body = {
+            "jsonrpc": jsonrpc,
+            "method":  method,
+            "params":  params,
+            "id":      rid,
+            'auth':    self.auth,
+        }
+
+        if method in ['user.login','api.version']:
+            del body['auth']
+
+        body = json.dumps(body)
+
+        if self.verbose:
+            print body
+            print method
+            print headers
+            httplib2.debuglevel = 1
+
+        response, results = http.request(self.server, http_method, body, headers)
+
+        if self.verbose:
+            print response
+            print results
+
+        try:
+            results = json.loads(results)
+        except ValueError as e:
+            results = {"error": e.message}
+
+        return response, results
+
+    '''
+    This bit of metaprogramming is where the ZabbixAPI subclasses are created.
+    For each of ZabbixAPI.classes we create a class from the key and methods
+    from the ZabbixAPI.classes values.  We pass a reference to ZabbixAPI class
+    to each subclass in order for each to be able to call the perform method.
+    '''
+    @staticmethod
+    def meta(class_name, method_names):
+        # This meta method allows a class to add methods to it.
+        def meta_method(Class, method_name):
+            # This template method is a stub method for each of the subclass
+            # methods.
+            def template_method(self, **params):
+                return self.parent.perform(class_name.lower()+"."+method_name, params)
+            template_method.__doc__ = "https://www.zabbix.com/documentation/2.4/manual/api/reference/%s/%s" % (class_name.lower(), method_name)
+            template_method.__name__ = method_name
+            # this is where the template method is placed inside of the subclass
+            # e.g. setattr(User, "create", stub_method)
+            setattr(Class, template_method.__name__, template_method)
+
+        # This class call instantiates a subclass. e.g. User
+        Class=type(class_name, (object,), { '__doc__': "https://www.zabbix.com/documentation/2.4/manual/api/reference/%s" % class_name.lower() })
+        # This init method gets placed inside of the Class 
+        # to allow it to be instantiated.  A reference to the parent class(ZabbixAPI)
+        # is passed in to allow each class access to the perform method.
+        def __init__(self, parent):
+            self.parent = parent
+        # This attaches the init to the subclass. e.g. Create
+        setattr(Class, __init__.__name__, __init__)
+        # For each of our ZabbixAPI.classes dict values
+        # Create a method and attach it to our subclass.
+        # e.g.  'User': ['delete', 'get', 'updatemedia', 'updateprofile',
+        #                'update', 'iswritable', 'logout', 'addmedia', 'create',
+        #                'login', 'deletemedia', 'isreadable'],
+        # User.delete
+        # User.get
+        for method_name in method_names:
+            meta_method(Class, method_name)
+        # Return our subclass with all methods attached
+        return Class
+
+# Attach all ZabbixAPI.classes to ZabbixAPI class through metaprogramming
+for class_name, method_names in ZabbixAPI.classes.items():
+    setattr(ZabbixAPI, class_name, ZabbixAPI.meta(class_name, method_names))
+
+def main():
+
+    module = AnsibleModule(
+        argument_spec = dict(
+            server=dict(default='https://localhost/zabbix/api_jsonrpc.php', type='str'),
+            user=dict(default=None, type='str'),
+            password=dict(default=None, type='str'),
+            zbx_class=dict(choices=ZabbixAPI.classes.keys()),
+            action=dict(default=None, type='str'),
+            params=dict(),
+            debug=dict(default=False, type='bool'),
+        ),
+        #supports_check_mode=True
+    )
+
+    user = module.params.get('user', None)
+    if not user:
+        user = os.environ['ZABBIX_USER']
+
+    pw = module.params.get('password', None)
+    if not pw:
+        pw = os.environ['ZABBIX_PASSWORD']
+
+    server = module.params['server']
+
+    if module.params['debug']:
+        options['debug'] = True
+
+    api_data = {
+        'user': user,
+        'password': pw,
+        'server': server,
+    }
+
+    if not user or not pw or not server:
+        module.fail_json('Please specify the user, password, and the zabbix server.')
+
+    zapi = ZabbixAPI(api_data)
+
+    zbx_class = module.params.get('zbx_class')
+    action = module.params.get('action')
+    params = module.params.get('params', {})
+
+
+    # Get the instance we are trying to call
+    zbx_class_inst = zapi.__getattribute__(zbx_class.lower())
+    # Get the instance's method we are trying to call
+    zbx_action_method = zapi.__getattribute__(zbx_class.capitalize()).__dict__[action]
+    # Make the call with the incoming params
+    results = zbx_action_method(zbx_class_inst, **params)
+
+    # Results Section
+    changed_state = False
+    status = results[0]['status']
+    if status not in ['200', '201']:
+        #changed_state = False
+        module.fail_json(msg="Http response: [%s] - Error: %s" % (str(results[0]), results[1]))
+
+    module.exit_json(**{'results': results[1]['result']})
+
+from ansible.module_utils.basic import *
+
+main()