From 1e6c93250172946eeb38e94a92a1fd12c9d3011e Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 7 Nov 2018 13:22:44 +0100
Subject: Merging upstream version 1.11.0+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 collectors/python.d.plugin/squid/squid.chart.py | 125 ++++++++++++++++++++++++
 1 file changed, 125 insertions(+)
 create mode 100644 collectors/python.d.plugin/squid/squid.chart.py

(limited to 'collectors/python.d.plugin/squid/squid.chart.py')

diff --git a/collectors/python.d.plugin/squid/squid.chart.py b/collectors/python.d.plugin/squid/squid.chart.py
new file mode 100644
index 000000000..fd54168f0
--- /dev/null
+++ b/collectors/python.d.plugin/squid/squid.chart.py
@@ -0,0 +1,125 @@
+# -*- 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
+
+
+# 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 = ['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
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