Imported Upstream version 1.3.0+dfsgupstream/1.3.0+dfsg

1 files changed, 111 insertions, 0 deletions

diff --git a/python.d/tomcat.chart.py b/python.d/tomcat.chart.py
new file mode 100644
index 000000000..31f6ab248
--- /dev/null
+++ b/python.d/tomcat.chart.py
@@ -0,0 +1,111 @@
+# -*- coding: utf-8 -*-
+# Description: tomcat netdata python.d module
+# Author: Pawel Krupa (paulfantom)
+
+# Python version higher than 2.7 is needed to run this module.
+
+from base import UrlService
+import xml.etree.ElementTree as ET  # phone home...
+#from xml.parsers.expat import errors
+
+# 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 = ['accesses', 'volume', 'threads', 'jvm']
+
+CHARTS = {
+    'accesses': {
+        'options': [None, "Requests", "requests/s", "statistics", "tomcat.accesses", "area"],
+        'lines': [
+            ["accesses", None, 'incremental']
+        ]},
+    'volume': {
+        'options': [None, "Volume", "KB/s", "volume", "tomcat.volume", "area"],
+        'lines': [
+            ["volume", None, 'incremental', 1, 1024]
+        ]},
+    'threads': {
+        'options': [None, "Threads", "current threads", "statistics", "tomcat.threads", "line"],
+        'lines': [
+            ["current", None, "absolute"],
+            ["busy", None, "absolute"]
+        ]},
+    'jvm': {
+        'options': [None, "JVM Free Memory", "MB", "statistics", "tomcat.jvm", "area"],
+        'lines': [
+            ["jvm", None, "absolute", 1, 1048576]
+        ]}
+}
+
+
+class Service(UrlService):
+    def __init__(self, configuration=None, name=None):
+        UrlService.__init__(self, configuration=configuration, name=name)
+        if len(self.url) == 0:
+            self.url = "http://localhost:8080/manager/status?XML=true"
+        self.order = ORDER
+        self.definitions = CHARTS
+        self.port = 8080
+
+    def check(self):
+        if UrlService.check(self):
+            return True
+
+        # get port from url
+        self.port = 0
+        for i in self.url.split('/'):
+            try:
+                int(i[-1])
+                self.port = i.split(':')[-1]
+                break
+            except:
+                pass
+        if self.port == 0:
+            self.port = 80
+
+        test = self._get_data()
+        if test is None or len(test) == 0:
+            return False
+        else:
+            return True
+
+    def _get_data(self):
+        """
+        Format data received from http request
+        :return: dict
+        """
+        try:
+            raw = self._get_raw_data()
+            try:
+                data = ET.fromstring(raw)
+            except ET.ParseError as e:
+                # if e.code == errors.codes[errors.XML_ERROR_JUNK_AFTER_DOC_ELEMENT]:
+                if e.code == 9:
+                    end = raw.find('</status>')
+                    end += 9
+                    raw = raw[:end]
+                    self.debug(raw)
+                    data = ET.fromstring(raw)
+                else:
+                    raise Exception(e)
+
+            memory = data.find('./jvm/memory')
+            threads = data.find("./connector[@name='\"http-bio-" + str(self.port) + "\"']/threadInfo")
+            requests = data.find("./connector[@name='\"http-bio-" + str(self.port) + "\"']/requestInfo")
+
+            return {'accesses': requests.attrib['requestCount'],
+                    'volume': requests.attrib['bytesSent'],
+                    'current': threads.attrib['currentThreadCount'],
+                    'busy': threads.attrib['currentThreadsBusy'],
+                    'jvm': memory.attrib['free']}
+        except (ValueError, AttributeError) as e:
+            self.debug(str(e))
+            return None
+        except SyntaxError as e:
+            self.error("Tomcat module needs python 2.7 at least. Stopping")
+            self.debug(str(e))
+        except Exception as e:
+            self.debug(str(e))