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dovecot.chart.py
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131 lines (123 loc) · 4.44 KB
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# -*- coding: utf-8 -*-
# Description: dovecot netdata python.d module
# Author: Pawel Krupa (paulfantom)
from base import SocketService
# default module values (can be overridden per job in `config`)
# update_every = 2
priority = 60000
retries = 60
# charts order (can be overridden if you want less charts, or different order)
ORDER = ['sessions', 'logins', 'commands',
'faults',
'context_switches',
'disk', 'bytes', 'syscalls',
'lookup', 'cache',
'auth', 'auth_cache']
CHARTS = {
'sessions': {
'options': [None, "active sessions", 'number', 'IMAP', 'dovecot.sessions', 'line'],
'lines': [
['num_connected_sessions', 'active sessions', 'absolute']
]},
'logins': {
'options': [None, "logins", 'number', 'IMAP', 'dovecot.logins', 'line'],
'lines': [
['num_logins', 'logins', 'absolute']
]},
'commands': {
'options': [None, "commands", "commands", 'IMAP', 'dovecot.commands', 'line'],
'lines': [
['num_cmds', 'commands', 'absolute']
]},
'faults': {
'options': [None, "faults", "faults", 'Faults', 'dovecot.faults', 'line'],
'lines': [
['min_faults', 'minor', 'absolute'],
['maj_faults', 'major', 'absolute']
]},
'context_switches': {
'options': [None, "context switches", '', 'Context Switches', 'dovecot.context_switches', 'line'],
'lines': [
['vol_cs', 'volountary', 'absolute'],
['invol_cs', 'involountary', 'absolute']
]},
'disk': {
'options': [None, "disk", 'bytes/s', 'Reads and Writes', 'dovecot.disk', 'line'],
'lines': [
['disk_input', 'read', 'incremental'],
['disk_output', 'write', 'incremental']
]},
'bytes': {
'options': [None, "bytes", 'bytes/s', 'Reads and Writes', 'dovecot.bytes', 'line'],
'lines': [
['read_bytes', 'read', 'incremental'],
['write_bytes', 'write', 'incremental']
]},
'syscalls': {
'options': [None, "number of syscalls", 'syscalls/s', 'Reads and Writes', 'dovecot.syscalls', 'line'],
'lines': [
['read_count', 'read', 'incremental'],
['write_count', 'write', 'incremental']
]},
'lookup': {
'options': [None, "lookups", 'number/s', 'Mail', 'dovecot.lookup', 'line'],
'lines': [
['mail_lookup_path', 'path', 'incremental'],
['mail_lookup_attr', 'attr', 'incremental']
]},
'cache': {
'options': [None, "hits", 'hits/s', 'Mail', 'dovecot.cache', 'line'],
'lines': [
['mail_cache_hits', 'hits', 'incremental']
]},
'auth': {
'options': [None, "attempts", 'attempts', 'Authentication', 'dovecot.auth', 'stacked'],
'lines': [
['auth_successes', 'success', 'absolute'],
['auth_failures', 'failure', 'absolute']
]},
'auth_cache': {
'options': [None, "cache", 'number', 'Authentication', '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.request = "EXPORT\tglobal\r\n"
self.host = None # localhost
self.port = None # 24242
# self._keep_alive = True
self.unix_socket = "/var/run/dovecot/stats"
self.order = ORDER
self.definitions = CHARTS
def _get_data(self):
"""
Format data received from socket
:return: dict
"""
try:
raw = self._get_raw_data()
except (ValueError, AttributeError):
return None
data = raw.split('\n')[:2]
desc = data[0].split('\t')
vals = data[1].split('\t')
# ret = dict(zip(desc, vals))
ret = {}
for i in range(len(desc)):
try:
#d = str(desc[i])
#if d in ('user_cpu', 'sys_cpu', 'clock_time'):
# val = float(vals[i])
#else:
# val = int(vals[i])
#ret[d] = val
ret[str(desc[i])] = int(vals[i])
except ValueError:
pass
if len(ret) == 0:
return None
return ret