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-rw-r--r--collectors/python.d.plugin/httpcheck/httpcheck.chart.py124
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diff --git a/collectors/python.d.plugin/httpcheck/httpcheck.chart.py b/collectors/python.d.plugin/httpcheck/httpcheck.chart.py
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+++ b/collectors/python.d.plugin/httpcheck/httpcheck.chart.py
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+# -*- coding: utf-8 -*-
+# Description: http check netdata python.d module
+# Original Author: ccremer (github.com/ccremer)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+import urllib3
+import re
+
+try:
+ from time import monotonic as time
+except ImportError:
+ from time import time
+
+from bases.FrameworkServices.UrlService import UrlService
+
+# default module values (can be overridden per job in `config`)
+update_every = 3
+priority = 60000
+
+# Response
+HTTP_RESPONSE_TIME = 'time'
+HTTP_RESPONSE_LENGTH = 'length'
+
+# Status dimensions
+HTTP_SUCCESS = 'success'
+HTTP_BAD_CONTENT = 'bad_content'
+HTTP_BAD_STATUS = 'bad_status'
+HTTP_TIMEOUT = 'timeout'
+HTTP_NO_CONNECTION = 'no_connection'
+
+ORDER = [
+ 'response_time',
+ 'response_length',
+ 'status',
+]
+
+CHARTS = {
+ 'response_time': {
+ 'options': [None, 'HTTP response time', 'milliseconds', 'response', 'httpcheck.responsetime', 'line'],
+ 'lines': [
+ [HTTP_RESPONSE_TIME, 'time', 'absolute', 100, 1000]
+ ]
+ },
+ 'response_length': {
+ 'options': [None, 'HTTP response body length', 'characters', 'response', 'httpcheck.responselength', 'line'],
+ 'lines': [
+ [HTTP_RESPONSE_LENGTH, 'length', 'absolute']
+ ]
+ },
+ 'status': {
+ 'options': [None, 'HTTP status', 'boolean', 'status', 'httpcheck.status', 'line'],
+ 'lines': [
+ [HTTP_SUCCESS, 'success', 'absolute'],
+ [HTTP_BAD_CONTENT, 'bad content', 'absolute'],
+ [HTTP_BAD_STATUS, 'bad status', 'absolute'],
+ [HTTP_TIMEOUT, 'timeout', 'absolute'],
+ [HTTP_NO_CONNECTION, 'no connection', 'absolute']
+ ]
+ }
+}
+
+
+class Service(UrlService):
+ def __init__(self, configuration=None, name=None):
+ UrlService.__init__(self, configuration=configuration, name=name)
+ self.order = ORDER
+ self.definitions = CHARTS
+ pattern = self.configuration.get('regex')
+ self.regex = re.compile(pattern) if pattern else None
+ self.status_codes_accepted = self.configuration.get('status_accepted', [200])
+ self.follow_redirect = self.configuration.get('redirect', True)
+
+ def _get_data(self):
+ """
+ Format data received from http request
+ :return: dict
+ """
+ data = dict()
+ data[HTTP_SUCCESS] = 0
+ data[HTTP_BAD_CONTENT] = 0
+ data[HTTP_BAD_STATUS] = 0
+ data[HTTP_TIMEOUT] = 0
+ data[HTTP_NO_CONNECTION] = 0
+ url = self.url
+ try:
+ start = time()
+ status, content = self._get_raw_data_with_status(retries=1 if self.follow_redirect else False,
+ redirect=self.follow_redirect)
+ diff = time() - start
+ data[HTTP_RESPONSE_TIME] = max(round(diff * 10000), 0)
+ self.debug('Url: {url}. Host responded with status code {code} in {diff} s'.format(
+ url=url, code=status, diff=diff
+ ))
+ self.process_response(content, data, status)
+
+ except urllib3.exceptions.NewConnectionError as error:
+ self.debug('Connection failed: {url}. Error: {error}'.format(url=url, error=error))
+ data[HTTP_NO_CONNECTION] = 1
+
+ except (urllib3.exceptions.TimeoutError, urllib3.exceptions.PoolError) as error:
+ self.debug('Connection timed out: {url}. Error: {error}'.format(url=url, error=error))
+ data[HTTP_TIMEOUT] = 1
+
+ except urllib3.exceptions.HTTPError as error:
+ self.debug('Connection failed: {url}. Error: {error}'.format(url=url, error=error))
+ data[HTTP_NO_CONNECTION] = 1
+
+ except (TypeError, AttributeError) as error:
+ self.error('Url: {url}. Error: {error}'.format(url=url, error=error))
+ return None
+
+ return data
+
+ def process_response(self, content, data, status):
+ data[HTTP_RESPONSE_LENGTH] = len(content)
+ self.debug('Content: \n\n{content}\n'.format(content=content))
+ if status in self.status_codes_accepted:
+ if self.regex and self.regex.search(content) is None:
+ self.debug('No match for regex "{regex}" found'.format(regex=self.regex.pattern))
+ data[HTTP_BAD_CONTENT] = 1
+ else:
+ data[HTTP_SUCCESS] = 1
+ else:
+ data[HTTP_BAD_STATUS] = 1