sophie/simple-icinga-dashboard
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add some logging and error handling

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This commit is contained in:
Franzi 2023-05-20 20:08:08 +02:00
parent fee4b8dac0
commit 0a0ee1bbfc
Signed by untrusted user: kunsi
GPG key ID: 12E3D2136B818350
2 changed files with 71 additions and 4 deletions
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36
error.html Normal file
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@ -0,0 +1,36 @@
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>${title}</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="bootstrap.min.css">
<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>">
</head>
<body>
<div class="container">
<div class="page-header my-5" id="banner">
<div class="row">
<div class="col-lg-8">
<h1>Status: 🔥</h1>
</div>
</div>
</div>
<div class="row">
<div class="col">
<div class="card text-white border-primary mb-3">
<div class="card-header d-flex justify-content-between align-items-center">
<h4>Something went wrong</h4>
</div>
<div class="card-body">
<p>
There was an error rendering the status page.
Admins have been notified.
</p>
</div>
</div>
</div>
</div>
</div>
</body>
</html>

39
service.py
View file

@ -3,10 +3,13 @@
import requests import requests
import urllib3 import urllib3
from os import environ from os import environ
import sys
import logging
import tomlkit import tomlkit
from mako.template import Template from mako.template import Template
import shutil
from datetime import datetime
urllib3.disable_warnings() urllib3.disable_warnings()
CONFIGFILE = environ.get('STATUSPAGE_CONFIG', 'config.toml') CONFIGFILE = environ.get('STATUSPAGE_CONFIG', 'config.toml')
@ -14,6 +17,8 @@ CONFIGFILE = environ.get('STATUSPAGE_CONFIG', 'config.toml')
class StatusPage: class StatusPage:
def get_api_result(self): def get_api_result(self):
if self.services: if self.services:
log.debug('services already exist, returning early')
return self.services return self.services
headers = { headers = {
@ -23,7 +28,7 @@ class StatusPage:
requestbody = { requestbody = {
"attrs": [ "name", "state", "last_check_result", "host_name", "display_name" ], "attrs": [ "name", "state", "last_check_result", "host_name", "display_name" ],
"joins": [ "host.name", "host.state", "host.last_check_result", "host.vars" ], "joins": [ "host", "host.state", "host.last_check_result", "host.vars" ],
"filter": self.config['filters']['services'], "filter": self.config['filters']['services'],
} }
@ -35,11 +40,16 @@ class StatusPage:
verify=False verify=False
) )
self.logger.info(f'got http status code {r.status_code}')
self.logger.debug(r.text)
if (r.status_code == 200): if (r.status_code == 200):
self.services = r.json()['results'] self.services = r.json()['results']
else: else:
r.raise_for_status() r.raise_for_status()
self.logger.info(f'got {len(self.services)} services from api')
return self.services return self.services
@ -60,6 +70,9 @@ class StatusPage:
result = {} result = {}
for service in self.get_api_result(): for service in self.get_api_result():
self.logger.info(f'now processing {service["attrs"]["host_name"]} "{service["attrs"]["display_name"]}"')
self.logger.debug(service)
host = service['joins']['host']['vars']['pretty_name'] host = service['joins']['host']['vars']['pretty_name']
if host not in result: if host not in result:
@ -84,6 +97,7 @@ class StatusPage:
'badge': state_to_design_mapping[state][0], 'badge': state_to_design_mapping[state][0],
'state': state_to_design_mapping[state][1], 'state': state_to_design_mapping[state][1],
} }
self.logger.info(f'ragecounter is now {self.ragecounter}')
return result return result
@ -96,12 +110,18 @@ class StatusPage:
else: else:
mood = '🔥' mood = '🔥'
self.logger.info('rendering output html')
start = datetime.now()
template = Template(filename=self.config['output'].get('template', 'template.html')) template = Template(filename=self.config['output'].get('template', 'template.html'))
output = template.render( output = template.render(
title=self.config['output'].get('page_title', 'Status Page'), title=self.config['output'].get('page_title', 'Status Page'),
mood=mood, mood=mood,
hosts=service_details, hosts=service_details,
) )
end = datetime.now()
self.logger.info(f'rendered in {(end-start).total_seconds():.09f}s')
with open(self.config['output']['filename'], 'w') as f: with open(self.config['output']['filename'], 'w') as f:
f.write(output) f.write(output)
@ -112,8 +132,19 @@ class StatusPage:
self.services = {} self.services = {}
self.ragecounter = 0 self.ragecounter = 0
self.logger = logging.getLogger('StatusPage')
handler = logging.StreamHandler(sys.stdout)
formatter = logging.Formatter('%(levelname)s {%(filename)s:%(lineno)d} %(message)s')
handler.setFormatter(formatter)
self.logger.addHandler(handler)
self.logger.setLevel(self.config.get('loglevel', 'INFO'))
if __name__ == "__main__": if __name__ == "__main__":
page = StatusPage() page = StatusPage()
service_details = page.get_services_per_host() try:
page.render_html(service_details) service_details = page.get_services_per_host()
page.render_html(service_details)
except Exception as e:
shutil.copyfile('error.html', page.config['output']['filename'])
raise e