from base import SimpleService
from re import compile
-from os import access as is_executable, X_OK
from subprocess import Popen, PIPE
-
# default module values (can be overridden per job in `config`)
# update_every = 2
priority = 60000
retries = 60
-ORDER = ['hit_rate', 'chit_rate', 'request_rate', 'transfer_rates', 'session', 'backend_traffic', 'memory_usage', 'bad', 'uptime']
-EXTRA_ORDER = ['hit_rate','chit_rate', 'request_rate', 'transfer_rates', 'session', 'backend_traffic', 'bad',
- 'objects', 'threads', 'memory_usage', 'objects_per_objhead', 'losthdr', 'hcb', 'esi', 'session_herd',
- 'shm_writes', 'shm', 'allocations', 'vcl', 'bans', 'bans_lurker', 'expunge', 'lru', 'gzip', 'uptime']
+ORDER = ['session', 'hit_rate', 'chit_rate', 'expunge', 'threads', 'backend_health', 'memory_usage', 'bad', 'uptime']
-CHARTS = {'allocations':
- {'lines': [['sm_nreq', None, 'incremental', 1, 1],
- ['sma_nreq', None, 'incremental', 1, 1],
- ['sms_nreq', None, 'incremental', 1, 1]],
- 'options': [None, 'Memory allocation requests', 'units', 'Extra charts', 'varnish.alloc','line']},
- 'backend_traffic':
- {'lines': [['backend_conn_bt', 'conn', 'incremental', 1, 1],
+CHARTS = {'backend_health':
+ {'lines': [['backend_conn', 'conn', 'incremental', 1, 1],
['backend_unhealthy', 'unhealthy', 'incremental', 1, 1],
['backend_busy', 'busy', 'incremental', 1, 1],
['backend_fail', 'fail', 'incremental', 1, 1],
['backend_toolate', 'toolate', 'incremental', 1, 1],
['backend_retry', 'retry', 'incremental', 1, 1],
['backend_req', 'req', 'incremental', 1, 1]],
- 'options': [None, 'Backend health', 'units', 'Backend health', 'varnish.backend_traf', 'line']},
+ 'options': [None, 'Backend health', 'connections', 'Backend health', 'varnish.backend_traf', 'line']},
'bad':
{'lines': [['sess_drop_b', None, 'incremental', 1, 1],
['backend_unhealthy_b', None, 'incremental', 1, 1],
['threads_failed_b', None, 'incremental', 1, 1],
['threads_limited_b', None, 'incremental', 1, 1],
['threads_destroyed_b', None, 'incremental', 1, 1],
- ['thread_queue_len', None, 'absolute', 1, 1],
+ ['thread_queue_len_b', 'queue_len', 'absolute', 1, 1],
['losthdr_b', None, 'incremental', 1, 1],
['esi_errors_b', None, 'incremental', 1, 1],
['esi_warnings_b', None, 'incremental', 1, 1],
['sess_fail_b', None, 'incremental', 1, 1],
+ ['sc_pipe_overflow_b', None, 'incremental', 1, 1],
['sess_pipe_overflow_b', None, 'incremental', 1, 1]],
- 'options': [None, 'Misbehavior', 'units', 'Problems summary', 'varnish.bad', 'line']},
- 'bans':
- {'lines': [['bans', None, 'absolute', 1, 1],
- ['bans_added', 'added', 'incremental', 1, 1],
- ['bans_deleted', 'deleted', 'incremental', 1, 1],
- ['bans_completed', 'completed', 'absolute', 1, 1],
- ['bans_obj', 'obj', 'absolute', 1, 1],
- ['bans_req', 'req', 'absolute', 1, 1],
- ['bans_tested', 'tested', 'incremental', 1, 1],
- ['bans_obj_killed', 'obj_killed', 'incremental', 1, 1],
- ['bans_tests_tested', 'tests_tested', 'incremental', 1, 1],
- ['bans_dups', 'dups', 'absolute', 1, 1],
- ['bans_persisted_bytes', 'pers_bytes', 'absolute', 1, 1],
- ['bans_persisted_fragmentation', 'pers_fragmentation', 'absolute', 1, 1]],
- 'options': [None, 'Bans', 'units', 'Extra charts', 'varnish.bans', 'line']},
- 'bans_lurker':
- {'lines': [['bans_lurker_tested', 'tested', 'incremental', 1, 1],
- ['bans_lurker_tests_tested', 'tests_tested', 'incremental', 1, 1],
- ['bans_lurker_obj_killed', 'obj_killed', 'incremental', 1, 1],
- ['bans_lurker_contention', 'contention', 'incremental', 1, 1]],
- 'options': [None, 'Ban Lurker', 'units', 'Extra charts', 'varnish.bans_lurker', 'line']},
- 'esi':
- {'lines': [['esi_parse', None, 'incremental', 1, 1],
- ['esi_errors', None, 'incremental', 1, 1],
- ['esi_warnings', None, 'incremental', 1, 1]],
- 'options': [None, 'ESI', 'units', 'Extra charts', 'varnish.esi', 'line']},
+ 'options': [None, 'Misbehavior', 'problems', 'Problems summary', 'varnish.bad', 'line']},
'expunge':
- {'lines': [['n_expired', None, 'incremental', 1, 1],
- ['n_lru_nuked_e', None, 'incremental', 1, 1]],
- 'options': [None, 'Object expunging', 'units', 'Extra charts', 'varnish.expunge', 'line']},
- 'gzip':
- {'lines': [['n_gzip', None, 'incremental', 1, 1],
- ['n_gunzip', None, 'incremental', 1, 1]],
- 'options': [None, 'GZIP activity', 'units', 'Extra charts', 'varnish.gzip', 'line']},
- 'hcb':
- {'lines': [['hcb_nolock', 'nolock', 'incremental', 1, 1],
- ['hcb_lock', 'lock', 'incremental', 1, 1],
- ['hcb_insert', 'insert', 'incremental', 1, 1]],
- 'options': [None, 'Critbit data', 'units', 'Extra charts', 'varnish.hcb', 'line']},
+ {'lines': [['n_expired', 'expired', 'incremental', 1, 1],
+ ['n_lru_nuked', 'lru_nuked', 'incremental', 1, 1]],
+ 'options': [None, 'Object expunging', 'objects', 'Cache performance', 'varnish.expunge', 'line']},
'hit_rate':
{'lines': [['cache_hit_perc', 'hit', 'absolute', 1, 100],
['cache_miss_perc', 'miss', 'absolute', 1, 100],
['cache_miss_cperc', 'miss', 'absolute', 1, 100],
['cache_hitpass_cperc', 'hitpass', 'absolute', 1, 100]],
'options': [None, 'Current poll hit rate ratio','percent', 'Cache performance', 'varnish.chit_rate', 'stacked']},
- 'losthdr':
- {'lines': [['losthdr', None, 'incremental', 1, 1]],
- 'options': [None, 'HTTP Header overflows', 'units', 'Extra charts', 'varnish.losthdr', 'line']},
- 'lru':
- {'lines': [['n_lru_nuked', 'nuked', 'incremental', 1, 1],
- ['n_lru_moved', 'moved', 'incremental', 1, 1]],
- 'options': [None, 'LRU activity', 'units', 'Extra charts', 'varnish.lru', 'line']},
'memory_usage':
{'lines': [['s0.g_space', 'available', 'absolute', 1, 1048576],
['s0.g_bytes', 'allocated', 'absolute', -1, 1048576]],
'options': [None, 'Memory usage', 'megabytes', 'Memory usage', 'varnish.memory_usage', 'stacked']},
- 'objects':
- {'lines': [['n_object', 'object', 'absolute', 1, 1],
- ['n_objectcore', 'objectcore', 'absolute', 1, 1],
- ['n_vampireobject', 'vampireobject, ''absolute', 1, 1],
- ['n_objecthead', 'objecthead', 'absolute', 1, 1]],
- 'options': [None, 'Number of objects', 'units', 'Extra charts', 'varnish.objects', 'line']},
- 'objects_per_objhead':
- {'lines': [['obj_per_objhead', 'per_objhead', 'absolute', 1, 100]],
- 'options': [None, 'Objects per objecthead', 'units', 'Extra charts', 'varnish.objects_per_objhead', 'line']},
- 'request_rate':
- {'lines': [['sess_conn_rr', None, 'incremental', 1, 1],
- ['client_req', None, 'incremental', 1, 1],
- ['cache_hit', None, 'incremental', 1, 1],
- ['cache_hitpass', None, 'incremental', 1, 1],
- ['cache_miss', None, 'incremental', 1, 1],
- ['backend_conn', None, 'incremental', 1, 1],
- ['backend_unhealthy', None, 'incremental', 1, 1],
- ['s_pipe', None, 'incremental', 1, 1],
- ['s_pass', None, 'incremental', 1, 1]],
- 'options': [None, 'Request rates', 'units', 'Varnish statistics', 'varnish.request_rate', 'line']},
'session':
- {'lines': [['sess_conn', 'conn', 'incremental', 1, 1],
- ['sess_drop', 'drop', 'incremental', 1, 1],
- ['sess_fail', 'fail', 'incremental', 1, 1],
- ['sess_pipe_overflow', 'pipe_overflow', 'incremental', 1, 1],
- ['sess_queued', 'queued', 'incremental', 1, 1],
- ['sess_dropped', 'dropped', 'incremental', 1, 1],
- ['sess_closed', 'closed', 'incremental', 1, 1],
- ['sess_pipeline', 'pipeline', 'incremental', 1, 1],
- ['sess_readahead' , 'readhead', 'incremental', 1, 1]],
-
- 'options': [None, 'Sessions', 'units', 'Varnish statistics', 'varnish.session', 'line']},
- 'session_herd':
- {'lines': [['sess_herd', None, 'incremental', 1, 1]],
- 'options': [None, 'Session herd', 'units', 'Extra charts', 'varnish.session_herd', 'line']},
- 'shm':
- {'lines': [['shm_flushes', 'flushes', 'incremental', 1, 1],
- ['shm_cont', 'cont', 'incremental', 1, 1],
- ['shm_cycles', 'cycles', 'incremental', 1, 1]],
- 'options': [None, 'SHM writes and records', 'units', 'Extra charts', 'varnish.shm', 'line']},
- 'shm_writes':
- {'lines': [['shm_records', 'records', 'incremental', 1, 1],
- ['shm_writes', 'writes', 'incremental', 1, 1]],
- 'options': [None, 'SHM writes and records', 'units', 'Extra charts', 'varnish.shm_writes', 'line']},
+ {'lines': [['sess_conn', 'sess_conn', 'incremental', 1, 1],
+ ['client_req', 'client_requests', 'incremental', 1, 1],
+ ['client_conn', 'client_conn', 'incremental', 1, 1],
+ ['client_drop', 'client_drop', 'incremental', 1, 1],
+ ['sess_dropped', 'sess_dropped', 'incremental', 1, 1]],
+ 'options': [None, 'Sessions', 'units', 'Client metrics', 'varnish.session', 'line']},
'threads':
{'lines': [['threads', None, 'absolute', 1, 1],
['threads_created', 'created', 'incremental', 1, 1],
['threads_failed', 'failed', 'incremental', 1, 1],
['threads_limited', 'limited', 'incremental', 1, 1],
- ['threads_destroyed', 'destroyed', 'incremental', 1, 1]],
- 'options': [None, 'Thread status', 'units', 'Extra charts', 'varnish.threads', 'line']},
- 'transfer_rates':
- {'lines': [['s_resp_hdrbytes', 'header', 'incremental', 8, 1000],
- ['s_resp_bodybytes', 'body', 'incremental', -8, 1000]],
- 'options': [None, 'Transfer rates', 'kilobit/s', 'Varnish statistics', 'varnish.transfer_rates', 'area']},
+ ['thread_queue_len', 'queue_len', 'incremental', 1, 1],
+ ['sess_queued', 'sess_queued', 'incremental', 1, 1]],
+ 'options': [None, 'Thread status', 'threads', 'Thread-related metrics', 'varnish.threads', 'line']},
'uptime':
{'lines': [['uptime', None, 'absolute', 1, 1]],
- 'options': [None, 'Varnish uptime', 'seconds', 'Varnish statistics', 'varnish.uptime', 'line']},
- 'vcl':
- {'lines': [['n_backend', None, 'absolute', 1, 1],
- ['n_vcl', None, 'incremental', 1, 1],
- ['n_vcl_avail', None, 'incremental', 1, 1],
- ['n_vcl_discard', None, 'incremental', 1, 1]],
- 'options': [None, 'VCL', 'units', 'Extra charts', 'varnish.vcl', 'line']}}
-
-DIRECTORIES = ['/bin/', '/usr/bin/', '/sbin/', '/usr/sbin/']
+ 'options': [None, 'Varnish uptime', 'seconds', 'Uptime', 'varnish.uptime', 'line']}
+}
class Service(SimpleService):
def __init__(self, configuration=None, name=None):
SimpleService.__init__(self, configuration=configuration, name=name)
- try:
- self.varnish = [''.join([directory, 'varnishstat']) for directory in DIRECTORIES
- if is_executable(''.join([directory, 'varnishstat']), X_OK)][0]
- except IndexError:
- self.varnish = False
- self.rgx_all = compile(r'([A-Z]+\.)([\d\w_.]+)\s+(\d+)')
+ self.varnish = self.find_binary('varnishstat')
+ self.rgx_all = compile(r'([A-Z]+\.)?([\d\w_.]+)\s+(\d+)')
# Could be
# VBE.boot.super_backend.pipe_hdrbyte (new)
# or
# VBE.default2(127.0.0.2,,81).bereq_bodybytes (old)
# Regex result: [('super_backend', 'beresp_hdrbytes', '0'), ('super_backend', 'beresp_bodybytes', '0')]
self.rgx_bck = (compile(r'VBE.([\d\w_.]+)\(.*?\).(beresp[\w_]+)\s+(\d+)'),
- compile(r'VBE.boot.([\w\d_]+).(beresp[\w_]+)\s+(\d+)'))
- self.extra_charts = self.configuration.get('extra_charts', [])
+ compile(r'VBE\.[\d\w-]+\.([\w\d_]+).(beresp[\w_]+)\s+(\d+)'))
self.cache_prev = list()
def check(self):
# Cant start without 'varnishstat' command
if not self.varnish:
- self.error('\'varnishstat\' command was not found in %s or not executable by netdata' % DIRECTORIES)
+ self.error('Can\'t locate \'varnishstat\' binary or binary is not executable by netdata')
return False
# If command is present and we can execute it we need to make sure..
# 2. Output is parsable (list is not empty after regex findall)
is_parsable = self.rgx_all.findall(reply)
if not is_parsable:
- self.error('Cant parse output (only varnish version 4+ supported)')
+ self.error('Cant parse output...')
return False
# We need to find the right regex for backend parse
self.rgx_bck = self.rgx_bck[0]
else:
self.backend_list = self.rgx_bck[1].findall(reply)[::2]
- self.rgx_bck = self.rgx_back[1]
+ self.rgx_bck = self.rgx_bck[1]
# We are about to start!
self.create_charts()
- self.info('Active charts: %s' % self.order)
self.info('Plugin was started successfully')
return True
if not raw_data:
return None
- return raw_data
+ return raw_data.decode()
def _get_data(self):
"""
return None
# 1. ALL data from 'varnishstat -1'. t - type(MAIN, MEMPOOL etc)
- to_netdata = {k: int(v) for t, k, v in data_all}
+ to_netdata = dict([(k, int(v)) for t, k, v in data_all])
# 2. ADD backend statistics
- to_netdata.update({'_'.join([n, k]): int(v) for n, k, v in data_backend})
+ to_netdata.update(dict([('_'.join([n, k]), int(v)) for n, k, v in data_backend]))
# 3. ADD additional keys to dict
# 3.1 Cache hit/miss/hitpass OVERALL in percent
self.cache_prev = [to_netdata.get('cache_hit', 0), to_netdata.get('cache_miss', 0), to_netdata.get('cache_hitpass', 0)]
- # 3.2 Copy random stuff to new keys (do we need this?)
- to_netdata['obj_per_objhead'] = find_percent(to_netdata.get('n_object', 0),
- to_netdata.get('n_objecthead', 0), 100)
- to_netdata['backend_conn_bt'] = to_netdata.get('backend_conn', 0)
- to_netdata['sess_conn_rr'] = to_netdata.get('sess_conn', 0)
- to_netdata['n_lru_nuked_e'] = to_netdata.get('n_lru_nuked', 0)
-
- for elem in ['backend_busy', 'backend_unhealthy', 'esi_errors', 'esi_warnings', 'losthdr', 'sess_drop',
- 'sess_fail', 'sess_pipe_overflow', 'threads_destroyed', 'threads_failed', 'threads_limited']:
- to_netdata[''.join([elem, '_b'])] = to_netdata.get(elem, 0)
+ # 3.3 Problems summary chart
+ for elem in ['backend_busy', 'backend_unhealthy', 'esi_errors', 'esi_warnings', 'losthdr', 'sess_drop', 'sc_pipe_overflow',
+ 'sess_fail', 'sess_pipe_overflow', 'threads_destroyed', 'threads_failed', 'threads_limited', 'thread_queue_len']:
+ if to_netdata.get(elem) is not None:
+ to_netdata[''.join([elem, '_b'])] = to_netdata.get(elem)
# Ready steady go!
return to_netdata
def create_charts(self):
# If 'all_charts' is true...ALL charts are displayed. If no only default + 'extra_charts'
- if self.configuration.get('all_charts'):
- self.order = EXTRA_ORDER
- else:
- try:
- extra_charts = list(filter(lambda chart: chart in EXTRA_ORDER, self.extra_charts.split()))
- except (AttributeError, NameError, ValueError):
- self.error('Extra charts disabled.')
- extra_charts = []
+ #if self.configuration.get('all_charts'):
+ # self.order = EXTRA_ORDER
+ #else:
+ # try:
+ # extra_charts = list(filter(lambda chart: chart in EXTRA_ORDER, self.extra_charts.split()))
+ # except (AttributeError, NameError, ValueError):
+ # self.error('Extra charts disabled.')
+ # extra_charts = []
- self.order = ORDER[:]
- self.order.extend(extra_charts)
+ self.order = ORDER[:]
+ #self.order.extend(extra_charts)
# Create static charts
- self.definitions = {chart: values for chart, values in CHARTS.items() if chart in self.order}
+ #self.definitions = {chart: values for chart, values in CHARTS.items() if chart in self.order}
+ self.definitions = CHARTS
# Create dynamic backend charts
if self.backend_list:
projects / netdata.git / blobdiff