1 files changed, 147 insertions, 0 deletions
diff --git a/collectors/python.d.plugin/dovecot/dovecot.chart.py b/collectors/python.d.plugin/dovecot/dovecot.chart.py
new file mode 100644
index 000000000..7fee3bfac
--- /dev/null
+++ b/collectors/python.d.plugin/dovecot/dovecot.chart.py
@@ -0,0 +1,147 @@
+# -*- 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
+
+# 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',
+    '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', '', 'context switches', 'dovecot.context_switches', 'line'],
+        'lines': [
+            ['vol_cs', 'voluntary', 'absolute'],
+            ['invol_cs', 'involuntary', 'absolute']
+        ]
+    },
+    'io': {
+        'options': [None, 'Dovecot Disk I/O', 'kilobytes/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, 1024],
+            ['write_bytes', 'write', 'incremental', -8, 1024]
+        ]
+    },
+    '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.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
+
+        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