]> arthur.barton.de Git - netdata.git/blobdiff - python.d/web_log.chart.py
Merge pull request #1887 from ktsaou/clock-fixes
[netdata.git] / python.d / web_log.chart.py
index 815ae3829c2e8b91b54cb9c3275d21ab2e3db3ba..afe45531d80793e8da2f8feb1447e39d93bb0e23 100644 (file)
@@ -14,7 +14,7 @@ priority = 60000
 retries = 60
 
 ORDER = ['response_statuses', 'response_codes', 'bandwidth', 'response_time', 'requests_per_url', 'http_method',
-         'requests_per_ipproto', 'clients', 'clients_all']
+         'http_version', 'requests_per_ipproto', 'clients', 'clients_all']
 CHARTS = {
     'response_codes': {
         'options': [None, 'Response Codes', 'requests/s', 'responses', 'web_log.response_codes', 'stacked'],
@@ -55,7 +55,12 @@ CHARTS = {
     'http_method': {
         'options': [None, 'Requests Per HTTP Method', 'requests/s', 'http methods', 'web_log.http_method', 'stacked'],
         'lines': [
+            ['GET', 'GET', 'incremental', 1, 1]
         ]},
+    'http_version': {
+        'options': [None, 'Requests Per HTTP Version', 'requests/s', 'http versions',
+                    'web_log.http_version', 'stacked'],
+        'lines': []},
     'requests_per_ipproto': {
         'options': [None, 'Requests Per IP Protocol', 'requests/s', 'ip protocols', 'web_log.requests_per_ipproto',
                     'stacked'],
@@ -86,37 +91,29 @@ class Service(LogService):
         # self._get_data = None  # will be assigned in 'check' method.
         # self.order = None  # will be assigned in 'create_*_method' method.
         # self.definitions = None  # will be assigned in 'create_*_method' method.
-        # self.detailed_chart = None  # will be assigned in 'create_*_method' method.
-        # self.http_method_chart = None  # will be assigned in 'create_*_method' method.
         """
         LogService.__init__(self, configuration=configuration, name=name)
         # Variables from module configuration file
+        self.type = self.configuration.get('type', 'web_access')
         self.log_path = self.configuration.get('path')
-        self.detailed_response_codes = self.configuration.get('detailed_response_codes', True)
-        self.all_time = self.configuration.get('all_time', True)
         self.url_pattern = self.configuration.get('categories')  # dict
         self.custom_log_format = self.configuration.get('custom_log_format')  # dict
         # Instance variables
-        self.unique_all_time = list()  # sorted list of unique IPs
         self.regex = None  # will be assigned in 'find_regex' or 'find_regex_custom' method
-        self.resp_time_func = None  # will be assigned in 'find_regex' or 'find_regex_custom' method
         self.data = {'bytes_sent': 0, 'resp_length': 0, 'resp_time_min': 0, 'resp_time_max': 0,
                      'resp_time_avg': 0, 'unique_cur_ipv4': 0, 'unique_cur_ipv6': 0, '2xx': 0,
                      '5xx': 0, '3xx': 0, '4xx': 0, '1xx': 0, '0xx': 0, 'unmatched': 0, 'req_ipv4': 0,
                      'req_ipv6': 0, 'unique_tot_ipv4': 0, 'unique_tot_ipv6': 0, 'successful_requests': 0,
-                     'redirects': 0, 'bad_requests': 0, 'server_errors': 0, 'other_requests': 0}
+                     'redirects': 0, 'bad_requests': 0, 'server_errors': 0, 'other_requests': 0, 'GET': 0}
 
     def check(self):
         """
         :return: bool
 
-        We need to make sure:
         1. "log_path" is specified in the module configuration file
         2. "log_path" must be readable by netdata user and must exist
         3. "log_path' must not be empty. We need at least 1 line to find appropriate pattern to parse
-        4. Plugin can work using predefined patterns (OK for nginx, apache default log format) or user defined
-         pattern. So we need to check if we can parse last line from log file with user pattern OR module patterns.
-        5. All patterns for per_url_request_counter feature are valid regex expressions
+        4. other checks depends on log "type"
         """
         if not self.log_path:
             self.error('log path is not specified')
@@ -148,42 +145,45 @@ class Service(LogService):
                 self.error(str(error))
                 return False
 
-        # Custom_log_format or predefined log format.
-        if self.custom_log_format:
-            match_dict, log_name, error = self.find_regex_custom(last_line)
-        else:
-            match_dict, log_name, error = self.find_regex(last_line)
+        if self.type == 'web_access':
+            self.unique_all_time = list()  # sorted list of unique IPs
+            self.detailed_response_codes = self.configuration.get('detailed_response_codes', True)
+            self.all_time = self.configuration.get('all_time', True)
 
-        # "match_dict" is None if there are any problems
-        if match_dict is None:
-            self.error(str(error))
-            return False
+            # Custom_log_format or predefined log format.
+            if self.custom_log_format:
+                match_dict, error = self.find_regex_custom(last_line)
+            else:
+                match_dict, error = self.find_regex(last_line)
 
-        # self.url_pattern check
-        if self.url_pattern:
-            self.url_pattern = check_req_per_url_pattern(self.url_pattern)
+            # "match_dict" is None if there are any problems
+            if match_dict is None:
+                self.error(str(error))
+                return False
 
-        # Double check
-        if not (self.regex and self.resp_time_func):
-            self.error('That can not happen, but it happened. "regex" or "resp_time_func" is None')
+            # self.url_pattern check
+            if self.url_pattern:
+                self.url_pattern = check_req_per_url_pattern('rpu', self.url_pattern)
 
-        # All is ok. We are about to start.
-        if log_name == 'web_access':
             self.create_access_charts(match_dict)  # Create charts
-            self._get_data = self._get_access_data
-            self.info('Collected data: %s' % list(match_dict.keys()))
-            return True
+            self._get_data = self._get_access_data  # _get_data assignment
         else:
-            # If it's not access_logs.. Not used at the moment
+            self.error('Not implemented')
             return False
 
+        # Double check
+        if not self.regex:
+            self.error('That can not happen, but it happened. "regex" is None')
+
+        self.info('Collected data: %s' % list(match_dict.keys()))
+        return True
+
     def find_regex_custom(self, last_line):
         """
         :param last_line: str: literally last line from log file
         :return: tuple where:
         [0]: dict or None:  match_dict or None
-        [1]: str or None: log_name or None
-        [2]: str: error description
+        [1]: str: error description
 
         We are here only if "custom_log_format" is in logs. We need to make sure:
         1. "custom_log_format" is a dict
@@ -233,52 +233,45 @@ class Service(LogService):
             find_regex_return(msg='Custom log: search OK but contains no named subgroups'
                                   ' (you need to use ?P<subgroup_name>)')
         else:
-            basic_values = {'address', 'method', 'url', 'code', 'bytes_sent'} - set(match_dict)
-
-            if basic_values:
+            mandatory_dict = {'address': r'[\da-f.:]+',
+                              'code': r'[1-9]\d{2}',
+                              'method': r'[A-Z]+',
+                              'bytes_sent': r'\d+|-'}
+            optional_dict = {'resp_length': r'\d+',
+                             'resp_time': r'[\d.]+',
+                             'http_version': r'\d\.\d'}
+
+            mandatory_values = set(mandatory_dict) - set(match_dict)
+            if mandatory_values:
                 return find_regex_return(msg='Custom log: search OK but some mandatory keys (%s) are missing'
-                                         % list(basic_values))
+                                         % list(mandatory_values))
+            else:
+                for key in mandatory_dict:
+                    if not re.search(mandatory_dict[key], match_dict[key]):
+                        return find_regex_return(msg='Custom log: can\'t parse "%s": %s'
+                                                     % (key, match_dict[key]))
+
+            optional_values = set(optional_dict) & set(match_dict)
+            for key in optional_values:
+                if not re.search(optional_dict[key], match_dict[key]):
+                    return find_regex_return(msg='Custom log: can\'t parse "%s": %s'
+                                                 % (key, match_dict[key]))
+
+            dot_in_time = '.' in match_dict.get('resp_time', '')
+            if dot_in_time:
+                self.resp_time_func = lambda time: time * (resp_time_func or 1000000)
             else:
-                if not re.search(r'[\da-f.:]+', match_dict['address']):
-                    return find_regex_return(msg='Custom log: can\'t parse "address": %s'
-                                                 % match_dict['address'])
-                if not re.search(r'[1-9]\d{2}', match_dict['code']):
-                    return find_regex_return(msg='Custom log: can\'t parse "code": %s'
-                                                 % match_dict['code'])
-                if not re.search(r'[A-Z]+', match_dict['method']):
-                    return find_regex_return(msg='Custom log: can\'t parse "method": %s'
-                                                 % match_dict['method'])
-                if not re.search(r'\d+|-', match_dict['bytes_sent']):
-                    return find_regex_return(msg='Custom log: can\'t parse "bytes_sent": %s'
-                                                 % match_dict['bytes_sent'])
-
-            if 'resp_length' in match_dict:
-                if not re.search(r'\d+', match_dict['resp_length']):
-                    return find_regex_return(msg='Custom log: can\'t parse "resp_length": %s'
-                                                 % match_dict['resp_length'])
-
-            if 'resp_time' in match_dict:
-                if not re.search(r'[\d.]+', match_dict['resp_length']):
-                    return find_regex_return(msg='Custom log: can\'t parse "resp_time": %s'
-                                                 % match_dict['resp_time'])
-                else:
-                    if '.' in match_dict['resp_time']:
-                        self.resp_time_func = lambda time: time * (resp_time_func or 1000000)
-                    else:
-                        self.resp_time_func = lambda time: time * (resp_time_func or 1)
+                self.resp_time_func = lambda time: time * (resp_time_func or 1)
 
             self.regex = regex
-            return find_regex_return(match_dict=match_dict,
-                                     log_name='web_access',
-                                     msg='We are fine')
+            return find_regex_return(match_dict=match_dict)
 
     def find_regex(self, last_line):
         """
         :param last_line: str: literally last line from log file
         :return: tuple where:
         [0]: dict or None:  match_dict or None
-        [1]: str or None: log_name or None
-        [2]: str: error description
+        [1]: str: error description
         We need to find appropriate pattern for current log file
         All logic is do a regex search through the string for all predefined patterns
         until we find something or fail.
@@ -287,13 +280,15 @@ class Service(LogService):
         # 5. Bytes sent 6. Response length 7. Response process time
         acs_default = re.compile(r'(?P<address>[\da-f.:]+)'
                                  r' -.*?"(?P<method>[A-Z]+)'
-                                 r' (?P<url>.*?)"'
+                                 r' (?P<url>[^ ]+)'
+                                 r' [A-Z]+/(?P<http_version>\d\.\d)"'
                                  r' (?P<code>[1-9]\d{2})'
                                  r' (?P<bytes_sent>\d+|-)')
 
         acs_apache_ext_insert = re.compile(r'(?P<address>[\da-f.:]+)'
                                            r' -.*?"(?P<method>[A-Z]+)'
-                                           r' (?P<url>.*?)"'
+                                           r' (?P<url>[^ ]+)'
+                                           r' [A-Z]+/(?P<http_version>\d\.\d)"'
                                            r' (?P<code>[1-9]\d{2})'
                                            r' (?P<bytes_sent>\d+|-)'
                                            r' (?P<resp_length>\d+)'
@@ -301,7 +296,8 @@ class Service(LogService):
 
         acs_apache_ext_append = re.compile(r'(?P<address>[\da-f.:]+)'
                                            r' -.*?"(?P<method>[A-Z]+)'
-                                           r' (?P<url>.*?)"'
+                                           r' (?P<url>[^ ]+)'
+                                           r' [A-Z]+/(?P<http_version>\d\.\d)"'
                                            r' (?P<code>[1-9]\d{2})'
                                            r' (?P<bytes_sent>\d+|-)'
                                            r' .*?'
@@ -311,7 +307,8 @@ class Service(LogService):
 
         acs_nginx_ext_insert = re.compile(r'(?P<address>[\da-f.:]+)'
                                           r' -.*?"(?P<method>[A-Z]+)'
-                                          r' (?P<url>.*?)"'
+                                          r' (?P<url>[^ ]+)'
+                                          r' [A-Z]+/(?P<http_version>\d\.\d)"'
                                           r' (?P<code>[1-9]\d{2})'
                                           r' (?P<bytes_sent>\d+)'
                                           r' (?P<resp_length>\d+)'
@@ -319,7 +316,8 @@ class Service(LogService):
 
         acs_nginx_ext_append = re.compile(r'(?P<address>[\da-f.:]+)'
                                           r' -.*?"(?P<method>[A-Z]+)'
-                                          r' (?P<url>.*?)"'
+                                          r' (?P<url>[^ ]+)'
+                                          r' [A-Z]+/(?P<http_version>\d\.\d)"'
                                           r' (?P<code>[1-9]\d{2})'
                                           r' (?P<bytes_sent>\d+)'
                                           r' .*?'
@@ -347,7 +345,6 @@ class Service(LogService):
                 break
 
         return find_regex_return(match_dict=match_dict or None,
-                                 log_name='web_access',
                                  msg='Unknown log format. You need to use "custom_log_format" feature.')
 
     def create_access_charts(self, match_dict):
@@ -380,7 +377,11 @@ class Service(LogService):
                               ' web_log.detailed_response_codes stacked 1 %s\n' % (job_name, self.update_every)
         self.http_method_chart = 'CHART %s.http_method' \
                                  ' "" "Requests Per HTTP Method" requests/s "http methods"' \
-                                 ' web_log.http_method stacked 2 %s\n' % (job_name, self.update_every)
+                                 ' web_log.http_method stacked 2 %s\n' \
+                                 'DIMENSION GET GET incremental\n' % (job_name, self.update_every)
+        self.http_version_chart = 'CHART %s.http_version' \
+                                  ' "" "Requests Per HTTP Version" requests/s "http versions"' \
+                                  ' web_log.http_version stacked 3 %s\n' % (job_name, self.update_every)
 
         # Remove 'request_time' chart from ORDER if resp_time not in match_dict
         if 'resp_time' not in match_dict:
@@ -400,12 +401,12 @@ class Service(LogService):
         if self.url_pattern:
             self.definitions['requests_per_url'] = {'options': [None, 'Requests Per Url', 'requests/s',
                                                                 'urls', 'web_log.requests_per_url', 'stacked'],
-                                                    'lines': [['other_url', 'other', 'incremental']]}
+                                                    'lines': [['rpu_other', 'other', 'incremental']]}
             for elem in self.url_pattern:
-                self.definitions['requests_per_url']['lines'].append([elem.description, elem.description,
+                self.definitions['requests_per_url']['lines'].append([elem.description, elem.description[4:],
                                                                       'incremental'])
                 self.data.update({elem.description: 0})
-            self.data.update({'other_url': 0})
+            self.data.update({'rpu_other': 0})
         else:
             self.order.remove('requests_per_url')
 
@@ -460,6 +461,9 @@ class Service(LogService):
                     self._get_data_per_url(match_dict['url'])
                 # requests per http method
                 self._get_data_http_method(match_dict['method'])
+                # requests per http version
+                if 'http_version' in match_dict:
+                    self._get_data_http_version(match_dict['http_version'])
                 # bandwidth sent
                 bytes_sent = match_dict['bytes_sent'] if '-' not in match_dict['bytes_sent'] else 0
                 self.data['bytes_sent'] += int(bytes_sent)
@@ -515,6 +519,20 @@ class Service(LogService):
                                                             chart_string_copy, 'http_method')
         self.data[method] += 1
 
+    def _get_data_http_version(self, http_version):
+        """
+        :param http_version: str: METHOD from parsed line. Ex.: '1.1', '1.0'
+        :return:
+        Calls add_new_dimension method If the value is found for the first time
+        """
+        http_version_dim_id = http_version.replace('.', '_')
+        if http_version_dim_id not in self.data:
+            chart_string_copy = self.http_version_chart
+            self.http_version_chart = self.add_new_dimension(http_version_dim_id,
+                                                             [http_version_dim_id, http_version, 'incremental'],
+                                                             chart_string_copy, 'http_version')
+        self.data[http_version_dim_id] += 1
+
     def _get_data_per_url(self, url):
         """
         :param url: str: URL from parsed line
@@ -529,7 +547,7 @@ class Service(LogService):
                 match = True
                 break
         if not match:
-            self.data['other_url'] += 1
+            self.data['rpu_other'] += 1
 
     def _get_data_statuses(self, code):
         """
@@ -568,18 +586,18 @@ def address_not_in_pool(pool, address, pool_size):
         return True
 
 
-def find_regex_return(match_dict=None, log_name=None, msg='Generic error message'):
+def find_regex_return(match_dict=None, msg='Generic error message'):
     """
     :param match_dict: dict: re.search.groupdict() or None
-    :param log_name: str: log name
     :param msg: str: error description
     :return: tuple:
     """
-    return match_dict, log_name, msg
+    return match_dict, msg
 
 
-def check_req_per_url_pattern(url_pattern):
+def check_req_per_url_pattern(string, url_pattern):
     """
+    :param string: str:
     :param url_pattern: dict: ex. {'dim1': 'pattern1>', 'dim2': '<pattern2>'}
     :return: list of named tuples or None:
      We need to make sure all patterns are valid regular expressions
@@ -607,7 +625,7 @@ def check_req_per_url_pattern(url_pattern):
     for dimension, regex in url_pattern.items():
         valid_pattern = is_valid_pattern(regex)
         if isinstance(dimension, str) and valid_pattern:
-            result.append(NAMED_URL_PATTERN(description=dimension, pattern=valid_pattern))
+            result.append(NAMED_URL_PATTERN(description='_'.join([string, dimension]), pattern=valid_pattern))
 
     return result or None