add some logging and error handling
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2 changed files with 71 additions and 4 deletions
36
error.html
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36
error.html
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@ -0,0 +1,36 @@
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<!DOCTYPE HTML>
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<html>
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<head>
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<meta charset="utf-8">
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<title>${title}</title>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<link rel="stylesheet" href="bootstrap.min.css">
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<link rel="icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>🔥</text></svg>">
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</head>
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<body>
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<div class="container">
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<div class="page-header my-5" id="banner">
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<div class="row">
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<div class="col-lg-8">
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<h1>Status: 🔥</h1>
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</div>
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</div>
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</div>
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<div class="row">
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<div class="col">
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<div class="card text-white border-primary mb-3">
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<div class="card-header d-flex justify-content-between align-items-center">
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<h4>Something went wrong</h4>
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</div>
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<div class="card-body">
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<p>
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There was an error rendering the status page.
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Admins have been notified.
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</p>
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</div>
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</div>
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</div>
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</div>
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</div>
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</body>
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</html>
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35
service.py
35
service.py
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@ -3,10 +3,13 @@
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import requests
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import urllib3
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from os import environ
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import sys
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import logging
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import tomlkit
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from mako.template import Template
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import shutil
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from datetime import datetime
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urllib3.disable_warnings()
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CONFIGFILE = environ.get('STATUSPAGE_CONFIG', 'config.toml')
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@ -14,6 +17,8 @@ CONFIGFILE = environ.get('STATUSPAGE_CONFIG', 'config.toml')
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class StatusPage:
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def get_api_result(self):
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if self.services:
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log.debug('services already exist, returning early')
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return self.services
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headers = {
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@ -23,7 +28,7 @@ class StatusPage:
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requestbody = {
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"attrs": [ "name", "state", "last_check_result", "host_name", "display_name" ],
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"joins": [ "host.name", "host.state", "host.last_check_result", "host.vars" ],
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"joins": [ "host", "host.state", "host.last_check_result", "host.vars" ],
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"filter": self.config['filters']['services'],
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}
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@ -35,11 +40,16 @@ class StatusPage:
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verify=False
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)
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self.logger.info(f'got http status code {r.status_code}')
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self.logger.debug(r.text)
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if (r.status_code == 200):
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self.services = r.json()['results']
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else:
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r.raise_for_status()
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self.logger.info(f'got {len(self.services)} services from api')
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return self.services
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@ -60,6 +70,9 @@ class StatusPage:
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result = {}
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for service in self.get_api_result():
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self.logger.info(f'now processing {service["attrs"]["host_name"]} "{service["attrs"]["display_name"]}"')
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self.logger.debug(service)
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host = service['joins']['host']['vars']['pretty_name']
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if host not in result:
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@ -84,6 +97,7 @@ class StatusPage:
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'badge': state_to_design_mapping[state][0],
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'state': state_to_design_mapping[state][1],
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}
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self.logger.info(f'ragecounter is now {self.ragecounter}')
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return result
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@ -96,12 +110,18 @@ class StatusPage:
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else:
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mood = '🔥'
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self.logger.info('rendering output html')
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start = datetime.now()
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template = Template(filename=self.config['output'].get('template', 'template.html'))
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output = template.render(
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title=self.config['output'].get('page_title', 'Status Page'),
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mood=mood,
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hosts=service_details,
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)
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end = datetime.now()
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self.logger.info(f'rendered in {(end-start).total_seconds():.09f}s')
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with open(self.config['output']['filename'], 'w') as f:
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f.write(output)
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@ -112,8 +132,19 @@ class StatusPage:
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self.services = {}
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self.ragecounter = 0
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self.logger = logging.getLogger('StatusPage')
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handler = logging.StreamHandler(sys.stdout)
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formatter = logging.Formatter('%(levelname)s {%(filename)s:%(lineno)d} %(message)s')
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handler.setFormatter(formatter)
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self.logger.addHandler(handler)
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self.logger.setLevel(self.config.get('loglevel', 'INFO'))
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if __name__ == "__main__":
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page = StatusPage()
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try:
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service_details = page.get_services_per_host()
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page.render_html(service_details)
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except Exception as e:
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shutil.copyfile('error.html', page.config['output']['filename'])
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raise e
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