diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2018-11-07 12:19:29 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2018-11-07 12:20:17 +0000 |
commit | a64a253794ac64cb40befee54db53bde17dd0d49 (patch) | |
tree | c1024acc5f6e508814b944d99f112259bb28b1be /collectors/python.d.plugin/httpcheck/httpcheck.chart.py | |
parent | New upstream version 1.10.0+dfsg (diff) | |
download | netdata-2dec20452b290c484d509f7ac9a29b38cf690223.tar.xz netdata-2dec20452b290c484d509f7ac9a29b38cf690223.zip |
New upstream version 1.11.0+dfsgupstream/1.11.0+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'collectors/python.d.plugin/httpcheck/httpcheck.chart.py')
-rw-r--r-- | collectors/python.d.plugin/httpcheck/httpcheck.chart.py | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/collectors/python.d.plugin/httpcheck/httpcheck.chart.py b/collectors/python.d.plugin/httpcheck/httpcheck.chart.py new file mode 100644 index 000000000..f046f33c0 --- /dev/null +++ b/collectors/python.d.plugin/httpcheck/httpcheck.chart.py @@ -0,0 +1,121 @@ +# -*- 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 +retries = 60 + +# 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', 'ms', '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) + 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) + self.order = ORDER + self.definitions = CHARTS + + 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 |