diff options
Diffstat (limited to 'python.d/bind_rndc.chart.py')
| -rw-r--r-- | python.d/bind_rndc.chart.py | 48 |
1 files changed, 21 insertions, 27 deletions
diff --git a/python.d/bind_rndc.chart.py b/python.d/bind_rndc.chart.py index e11c751f..a4d75370 100644 --- a/python.d/bind_rndc.chart.py +++ b/python.d/bind_rndc.chart.py @@ -4,7 +4,7 @@ from base import SimpleService from re import compile, findall -from os.path import getsize, isfile, split +from os.path import getsize, split from os import access as is_accessible, R_OK from subprocess import Popen @@ -12,7 +12,6 @@ priority = 60000 retries = 60 update_every = 30 -DIRECTORIES = ['/bin/', '/usr/bin/', '/sbin/', '/usr/sbin/'] NMS = ['requests', 'responses', 'success', 'auth_answer', 'nonauth_answer', 'nxrrset', 'failure', 'nxdomain', 'recursion', 'duplicate', 'rejections'] QUERIES = ['RESERVED0', 'A', 'NS', 'CNAME', 'SOA', 'PTR', 'MX', 'TXT', 'X25', 'AAAA', 'SRV', 'NAPTR', @@ -29,16 +28,12 @@ class Service(SimpleService): # 'Cache DB RRsets', 'Socket I/O Statistics'] self.options = ['Name Server Statistics', 'Incoming Queries', 'Outgoing Queries'] self.regex_options = [r'(%s(?= \+\+)) \+\+([^\+]+)' % option for option in self.options] - try: - self.rndc = [''.join([directory, 'rndc']) for directory in DIRECTORIES - if isfile(''.join([directory, 'rndc']))][0] - except IndexError: - self.rndc = False + self.rndc = self.find_binary('rndc') def check(self): # We cant start without 'rndc' command if not self.rndc: - self.error('Command "rndc" not found') + self.error('Can\'t locate \'rndc\' binary or binary is not executable by netdata') return False # We cant start if stats file is not exist or not readable by netdata user @@ -55,15 +50,15 @@ class Service(SimpleService): if not run_rndc.returncode: # 'rndc' was found, stats file is exist and readable and we can run 'rndc stats'. Lets go! self.create_charts() - + # BIND APPEND dump on every run 'rndc stats' # that is why stats file size can be VERY large if update_interval too small dump_size_24hr = round(86400 / self.update_every * (int(size_after) - int(size_before)) / 1048576, 3) - + # If update_every too small we should WARN user if self.update_every < 30: self.info('Update_every %s is NOT recommended for use. Increase the value to > 30' % self.update_every) - + self.info('With current update_interval it will be + %s MB every 24hr. ' 'Don\'t forget to create logrotate conf file for %s' % (dump_size_24hr, self.named_stats_path)) @@ -82,12 +77,11 @@ class Service(SimpleService): named.stats file size ) """ - try: current_size = getsize(self.named_stats_path) except OSError: return None, None - + run_rndc = Popen([self.rndc, 'stats'], shell=False) run_rndc.wait() @@ -115,23 +109,23 @@ class Service(SimpleService): return None rndc_stats = dict() - + # Result: dict. # topic = Cache DB RRsets; body = A 178303 NS 86790 ... ; desc = A; value = 178303 # {'Cache DB RRsets': [('A', 178303), ('NS', 286790), ...], # {Incoming Queries': [('RESERVED0', 8), ('A', 4557317680), ...], # ...... for regex in self.regex_options: - rndc_stats.update({topic: [(desc, int(value)) for value, desc in self.regex_values.findall(body)] - for topic, body in findall(regex, raw_data)}) - + rndc_stats.update(dict([(topic, [(desc, int(value)) for value, desc in self.regex_values.findall(body)]) + for topic, body in findall(regex, raw_data)])) + nms = dict(rndc_stats.get('Name Server Statistics', [])) - inc_queries = {'i' + k: 0 for k in QUERIES} - inc_queries.update({'i' + k: v for k, v in rndc_stats.get('Incoming Queries', [])}) - out_queries = {'o' + k: 0 for k in QUERIES} - out_queries.update({'o' + k: v for k, v in rndc_stats.get('Outgoing Queries', [])}) - + inc_queries = dict([('i' + k, 0) for k in QUERIES]) + inc_queries.update(dict([('i' + k, v) for k, v in rndc_stats.get('Incoming Queries', [])])) + out_queries = dict([('o' + k, 0) for k in QUERIES]) + out_queries.update(dict([('o' + k, v) for k, v in rndc_stats.get('Outgoing Queries', [])])) + to_netdata = dict() to_netdata['requests'] = sum([v for k, v in nms.items() if 'request' in k and 'received' in k]) to_netdata['responses'] = sum([v for k, v in nms.items() if 'responses' in k and 'sent' in k]) @@ -145,7 +139,7 @@ class Service(SimpleService): to_netdata['duplicate'] = nms.get('duplicate queries received', 0) to_netdata['rejections'] = nms.get('recursive queries rejected', 0) to_netdata['stats_size'] = size - + to_netdata.update(inc_queries) to_netdata.update(out_queries) return to_netdata @@ -154,20 +148,20 @@ class Service(SimpleService): self.order = ['stats_size', 'bind_stats', 'incoming_q', 'outgoing_q'] self.definitions = { 'bind_stats': { - 'options': [None, 'Name Server Statistics', 'stats', 'Name Server Statistics', 'bind_rndc.stats', 'line'], + 'options': [None, 'Name Server Statistics', 'stats', 'name server statistics', 'bind_rndc.stats', 'line'], 'lines': [ ]}, 'incoming_q': { - 'options': [None, 'Incoming queries', 'queries','Incoming queries', 'bind_rndc.incq', 'line'], + 'options': [None, 'Incoming queries', 'queries','incoming queries', 'bind_rndc.incq', 'line'], 'lines': [ ]}, 'outgoing_q': { - 'options': [None, 'Outgoing queries', 'queries','Outgoing queries', 'bind_rndc.outq', 'line'], + 'options': [None, 'Outgoing queries', 'queries','outgoing queries', 'bind_rndc.outq', 'line'], 'lines': [ ]}, 'stats_size': { 'options': [None, '%s file size' % split(self.named_stats_path)[1].capitalize(), 'megabytes', - '%s size' % split(self.named_stats_path)[1].capitalize(), 'bind_rndc.size', 'line'], + '%s size' % split(self.named_stats_path)[1], 'bind_rndc.size', 'line'], 'lines': [ ["stats_size", None, "absolute", 1, 1048576] ]} |