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- #!/usr/bin/env python3
-
- from collections import defaultdict
- from monitor import Monitor
- import argparse
- import etcd
-
-
- def etcd_put(client, prefix, obj):
- for key, value in obj.items():
- new_prefix = "%s/%s" % (prefix, key)
-
- if isinstance(value, dict):
- etcd_put(client, new_prefix, value)
- else:
- client.write(new_prefix, str(value))
-
-
- def add_containers(new_containers):
- global containers, host_index, label_index, network_index
- for container in new_containers:
- name = container['name']
- containers[name] = container
-
- for k, v in container['labels'].items():
- label_index[k][name] = v
- for k, v in container['net']['addr'].items():
- network_index[k][name] = v
-
- host_index[host][name] = name
-
- etcd_put(etcd_client, prefix + '/containers', containers)
- etcd_put(etcd_client, prefix + '/labels', label_index)
- etcd_put(etcd_client, prefix + '/networks', network_index)
- etcd_put(etcd_client, prefix + '/hosts', host_index)
-
-
- parser = argparse.ArgumentParser()
- parser.add_argument('--name', help='Name of this docker host', 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 adding keys to etcd', default='/docker')
- args = parser.parse_args()
-
- monitor = Monitor(args.name, add_containers, lambda x: None)
- etcd_client = etcd.Client(host=args.etcd_host, port=args.etcd_port)
- prefix = args.etcd_prefix
- host = args.name
-
- containers = {}
- label_index = defaultdict(dict)
- network_index = defaultdict(dict)
- host_index = defaultdict(dict)
-
- try:
- etcd_client.delete(prefix, recursive=True)
- except etcd.EtcdKeyNotFound:
- pass
-
- monitor.monitor()
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