26 lines
746 B
Python
26 lines
746 B
Python
import json
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import etcd3 as etcd3
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from retrying import retry
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CLUSTER_INFO_KEY = '/syncthing_monitor/cluster_info'
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@retry
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def append_device_id(device_id, host, port=2379):
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cluster_info = {'devices': []}
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etcd = etcd3.client(host=host, port=port)
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with etcd.lock('syncthing_monitor'):
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raw_value = etcd.get(CLUSTER_INFO_KEY)[0]
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if raw_value is not None:
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cluster_info = json.loads(raw_value)
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if not any(device_id in element for element in cluster_info['devices']):
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cluster_info['devices'].append(device_id)
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print("Updating etcd value for '{0}': {1}".format(CLUSTER_INFO_KEY, json.dumps(cluster_info)), flush=True)
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etcd.put(CLUSTER_INFO_KEY, json.dumps(cluster_info))
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