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Diffstat (limited to 'prometheus_haproxy_log_exporter/exposition.py')
-rw-r--r-- | prometheus_haproxy_log_exporter/exposition.py | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/prometheus_haproxy_log_exporter/exposition.py b/prometheus_haproxy_log_exporter/exposition.py new file mode 100644 index 0000000..aec3521 --- /dev/null +++ b/prometheus_haproxy_log_exporter/exposition.py @@ -0,0 +1,99 @@ +# Copyright (C) 2016 Christopher Baines <mail@cbaines.net> +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU Affero General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Affero General Public License for more details. +# +# You should have received a copy of the GNU Affero General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +from prometheus_client.exposition import MetricsHandler + +index_page = """ +<!doctype html> + +<html lang="en"> +<head> + <meta charset="utf-8"> + + <title>Prometheus HAProxy Log Exporter</title> +</head> + +<body> + <h1>HAProxy Log exporter for Prometheus</h1> + + <p> + This is a highly configurable exporter for HAProxy. + </p> + + <a href="/metrics">View metrics</a> + + <h2>Example Configuration</h2> + <p> + You must configure Prometheus to scrape the metrics exported here. The port + is 9129, and the configuration should look something like the example + below. + </p> + <pre><code> + scrape_configs: + - job_name: haproxy_log + target_groups: + - targets: + - MACHINE_ADDRESS:9129 + </code></pre> + + <h2>Information</h2> + <p> + Copyright (C) 2016 Christopher Baines <mail@cbaines.net><br> + <a href="/licence">View Licence</a> + </p> + + <p> + The source may be obtained from + <a href="http://git.cbaines.net/prometheus-haproxy-log-exporter/"> + this Git repository</a> + </p> + + <p> + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU Affero General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + </p> + + <p> + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Affero General Public License for more details. + </p> +</body> +</html> +""" + + +def create_request_handler(licence_location): + class RequestHandler(MetricsHandler): + def do_GET(self): + if self.path == "/metrics": + return super().do_GET() + + self.send_response(200) + self.end_headers() + + if self.path == "/licence": + with open( + licence_location, + 'rb', + ) as licence: + self.wfile.write(licence.read()) + else: + self.wfile.write(index_page.encode('UTF-8')) + + return RequestHandler |