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-rw-r--r--collectors/python.d.plugin/squid/squid.chart.py124
1 files changed, 124 insertions, 0 deletions
diff --git a/collectors/python.d.plugin/squid/squid.chart.py b/collectors/python.d.plugin/squid/squid.chart.py
new file mode 100644
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+++ b/collectors/python.d.plugin/squid/squid.chart.py
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+# -*- coding: utf-8 -*-
+# Description: squid netdata python.d module
+# Author: Pawel Krupa (paulfantom)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from bases.FrameworkServices.SocketService import SocketService
+
+
+ORDER = [
+ 'clients_net',
+ 'clients_requests',
+ 'servers_net',
+ 'servers_requests',
+]
+
+CHARTS = {
+ 'clients_net': {
+ 'options': [None, 'Squid Client Bandwidth', 'kilobits/s', 'clients', 'squid.clients_net', 'area'],
+ 'lines': [
+ ['client_http_kbytes_in', 'in', 'incremental', 8, 1],
+ ['client_http_kbytes_out', 'out', 'incremental', -8, 1],
+ ['client_http_hit_kbytes_out', 'hits', 'incremental', -8, 1]
+ ]
+ },
+ 'clients_requests': {
+ 'options': [None, 'Squid Client Requests', 'requests/s', 'clients', 'squid.clients_requests', 'line'],
+ 'lines': [
+ ['client_http_requests', 'requests', 'incremental'],
+ ['client_http_hits', 'hits', 'incremental'],
+ ['client_http_errors', 'errors', 'incremental', -1, 1]
+ ]
+ },
+ 'servers_net': {
+ 'options': [None, 'Squid Server Bandwidth', 'kilobits/s', 'servers', 'squid.servers_net', 'area'],
+ 'lines': [
+ ['server_all_kbytes_in', 'in', 'incremental', 8, 1],
+ ['server_all_kbytes_out', 'out', 'incremental', -8, 1]
+ ]
+ },
+ 'servers_requests': {
+ 'options': [None, 'Squid Server Requests', 'requests/s', 'servers', 'squid.servers_requests', 'line'],
+ 'lines': [
+ ['server_all_requests', 'requests', 'incremental'],
+ ['server_all_errors', 'errors', 'incremental', -1, 1]
+ ]
+ }
+}
+
+
+class Service(SocketService):
+ def __init__(self, configuration=None, name=None):
+ SocketService.__init__(self, configuration=configuration, name=name)
+ self._keep_alive = True
+ self.request = ''
+ self.host = 'localhost'
+ self.port = 3128
+ self.order = ORDER
+ self.definitions = CHARTS
+
+ def _get_data(self):
+ """
+ Get data via http request
+ :return: dict
+ """
+ response = self._get_raw_data()
+
+ data = dict()
+ try:
+ raw = ''
+ for tmp in response.split('\r\n'):
+ if tmp.startswith('sample_time'):
+ raw = tmp
+ break
+
+ if raw.startswith('<'):
+ self.error('invalid data received')
+ return None
+
+ for row in raw.split('\n'):
+ if row.startswith(('client', 'server.all')):
+ tmp = row.split('=')
+ data[tmp[0].replace('.', '_').strip(' ')] = int(tmp[1])
+
+ except (ValueError, AttributeError, TypeError):
+ self.error('invalid data received')
+ return None
+
+ if not data:
+ self.error('no data received')
+ return None
+ return data
+
+ def _check_raw_data(self, data):
+ header = data[:1024].lower()
+
+ if 'connection: keep-alive' in header:
+ self._keep_alive = True
+ else:
+ self._keep_alive = False
+
+ if data[-7:] == '\r\n0\r\n\r\n' and 'transfer-encoding: chunked' in header: # HTTP/1.1 response
+ self.debug('received full response from squid')
+ return True
+
+ self.debug('waiting more data from squid')
+ return False
+
+ def check(self):
+ """
+ Parse essential configuration, autodetect squid configuration (if needed), and check if data is available
+ :return: boolean
+ """
+ self._parse_config()
+ # format request
+ req = self.request.decode()
+ if not req.startswith('GET'):
+ req = 'GET ' + req
+ if not req.endswith(' HTTP/1.1\r\n\r\n'):
+ req += ' HTTP/1.1\r\n\r\n'
+ self.request = req.encode()
+ if self._get_data() is not None:
+ return True
+ else:
+ return False