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- #!/usr/bin/env python3
-
- from collections import defaultdict
- import argparse
- import etcdlib
- import jinja2
- import os
-
- parser = argparse.ArgumentParser()
- parser.add_argument('--name', help='Name of the docker host to request certificates for', default='unknown')
- parser.add_argument('--etcd-port', type=int, help='Port to connect to etcd on', default=2379)
- parser.add_argument('--etcd-host', help='Host to connect to etcd on', default='etcd')
- parser.add_argument('--etcd-prefix', help='Prefix to use when retrieving keys from etcd', default='/docker')
- args = parser.parse_args()
-
- jinja_env = jinja2.Environment(loader=jinja2.FileSystemLoader('/'))
- template = jinja_env.get_template('nginx.tpl')
- fetcher = etcdlib.Connection(args.etcd_host, args.etcd_port, args.etcd_prefix)
-
- while True:
- services = []
- domains = fetcher.get_label('com.chameth.vhost')
- for container, values in fetcher.get_label('com.chameth.proxy').items():
- networks = fetcher.get_networks(container)
- services.append({
- 'protocol': 'http', # TODO: Support HTTPS
- 'vhost': domains[container], # TODO: Handle SANs
- 'host': next(iter(networks.values())), # TODO: Pick a bridge sensibly?
- 'port': values
- })
-
- print(template.render(services=services)) # TODO: Actually write it out
- print('Done writing config.', flush=True)
-
- fetcher.wait_for_update()
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