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# -*- coding: utf-8 -*-
# Description: dovecot netdata python.d module
# Author: Pawel Krupa (paulfantom)
# SPDX-License-Identifier: GPL-3.0-or-later
from bases.FrameworkServices.SocketService import SocketService
UNIX_SOCKET = '/var/run/dovecot/stats'
ORDER = [
'sessions',
'logins',
'commands',
'faults',
'context_switches',
'io',
'net',
'syscalls',
'lookup',
'cache',
'auth',
'auth_cache'
]
CHARTS = {
'sessions': {
'options': [None, 'Dovecot Active Sessions', 'number', 'sessions', 'dovecot.sessions', 'line'],
'lines': [
['num_connected_sessions', 'active sessions', 'absolute']
]
},
'logins': {
'options': [None, 'Dovecot Logins', 'number', 'logins', 'dovecot.logins', 'line'],
'lines': [
['num_logins', 'logins', 'absolute']
]
},
'commands': {
'options': [None, 'Dovecot Commands', 'commands', 'commands', 'dovecot.commands', 'line'],
'lines': [
['num_cmds', 'commands', 'absolute']
]
},
'faults': {
'options': [None, 'Dovecot Page Faults', 'faults', 'page faults', 'dovecot.faults', 'line'],
'lines': [
['min_faults', 'minor', 'absolute'],
['maj_faults', 'major', 'absolute']
]
},
'context_switches': {
'options': [None, 'Dovecot Context Switches', 'switches', 'context switches', 'dovecot.context_switches', 'line'],
'lines': [
['vol_cs', 'voluntary', 'absolute'],
['invol_cs', 'involuntary', 'absolute']
]
},
'io': {
'options': [None, 'Dovecot Disk I/O', 'KiB/s', 'disk', 'dovecot.io', 'area'],
'lines': [
['disk_input', 'read', 'incremental', 1, 1024],
['disk_output', 'write', 'incremental', -1, 1024]
]
},
'net': {
'options': [None, 'Dovecot Network Bandwidth', 'kilobits/s', 'network', 'dovecot.net', 'area'],
'lines': [
['read_bytes', 'read', 'incremental', 8, 1000],
['write_bytes', 'write', 'incremental', -8, 1000]
]
},
'syscalls': {
'options': [None, 'Dovecot Number of SysCalls', 'syscalls/s', 'system', 'dovecot.syscalls', 'line'],
'lines': [
['read_count', 'read', 'incremental'],
['write_count', 'write', 'incremental']
]
},
'lookup': {
'options': [None, 'Dovecot Lookups', 'number/s', 'lookups', 'dovecot.lookup', 'stacked'],
'lines': [
['mail_lookup_path', 'path', 'incremental'],
['mail_lookup_attr', 'attr', 'incremental']
]
},
'cache': {
'options': [None, 'Dovecot Cache Hits', 'hits/s', 'cache', 'dovecot.cache', 'line'],
'lines': [
['mail_cache_hits', 'hits', 'incremental']
]
},
'auth': {
'options': [None, 'Dovecot Authentications', 'attempts', 'logins', 'dovecot.auth', 'stacked'],
'lines': [
['auth_successes', 'ok', 'absolute'],
['auth_failures', 'failed', 'absolute']
]
},
'auth_cache': {
'options': [None, 'Dovecot Authentication Cache', 'number', 'cache', 'dovecot.auth_cache', 'stacked'],
'lines': [
['auth_cache_hits', 'hit', 'absolute'],
['auth_cache_misses', 'miss', 'absolute']
]
}
}
class Service(SocketService):
def __init__(self, configuration=None, name=None):
SocketService.__init__(self, configuration=configuration, name=name)
self.order = ORDER
self.definitions = CHARTS
self.host = None # localhost
self.port = None # 24242
self.unix_socket = UNIX_SOCKET
self.request = 'EXPORT\tglobal\r\n'
def _get_data(self):
"""
Format data received from socket
:return: dict
"""
try:
raw = self._get_raw_data()
except (ValueError, AttributeError):
return None
if raw is None:
self.debug('dovecot returned no data')
return None
data = raw.split('\n')[:2]
desc = data[0].split('\t')
vals = data[1].split('\t')
ret = dict()
for i, _ in enumerate(desc):
try:
ret[str(desc[i])] = int(vals[i])
except ValueError:
continue
return ret or None
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