Imported Upstream version 1.3.0+dfsgupstream/1.3.0+dfsg

1 files changed, 112 insertions, 0 deletions

diff --git a/python.d/squid.chart.py b/python.d/squid.chart.py
new file mode 100644
index 000000000..8300d9bad
--- /dev/null
+++ b/python.d/squid.chart.py
@@ -0,0 +1,112 @@
+# -*- coding: utf-8 -*-
+# Description: squid netdata python.d module
+# Author: Pawel Krupa (paulfantom)
+
+from base import SocketService
+import select
+
+# 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
+        """
+        data = {}
+        try:
+            raw = ""
+            for tmp in self._get_raw_data().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 len(data) == 0:
+            self.error("no data received")
+            return None
+        else:
+            return data
+
+    def _check_raw_data(self, data):
+        if "Connection: keep-alive" in data[:1024]:
+            self._keep_alive = True
+        else:
+            self._keep_alive = False
+
+        if data[-7:] == "\r\n0\r\n\r\n" and "Transfer-Encoding: chunked" in data[:1024]:  # HTTP/1.1 response
+            return True
+        else:
+            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