forked from uncloud/uncloud
90 lines
3 KiB
Python
90 lines
3 KiB
Python
import os
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from flask import Flask, request
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from flask_restful import Resource, Api
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from ucloud.settings import settings
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from ucloud.shared import shared
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app = Flask(__name__)
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api = Api(app)
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def get_vm_entry(mac_addr):
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return next(filter(lambda vm: mac_addr in list(zip(*vm.network))[1], shared.vm_pool.vms), None)
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# https://stackoverflow.com/questions/37140846/how-to-convert-ipv6-link-local-address-to-mac-address-in-python
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def ipv62mac(ipv6):
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# remove subnet info if given
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subnet_index = ipv6.find('/')
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if subnet_index != -1:
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ipv6 = ipv6[:subnet_index]
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ipv6_parts = ipv6.split(':')
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mac_parts = list()
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for ipv6_part in ipv6_parts[-4:]:
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while len(ipv6_part) < 4:
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ipv6_part = '0' + ipv6_part
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mac_parts.append(ipv6_part[:2])
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mac_parts.append(ipv6_part[-2:])
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# modify parts to match MAC value
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mac_parts[0] = '%02x' % (int(mac_parts[0], 16) ^ 2)
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del mac_parts[4]
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del mac_parts[3]
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return ':'.join(mac_parts)
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class Root(Resource):
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@staticmethod
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def get():
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data = get_vm_entry(ipv62mac(request.remote_addr))
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if not data:
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return {'message': 'Metadata for such VM does not exists.'}, 404
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else:
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etcd_key = os.path.join(settings['etcd']['user_prefix'],
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data.value['owner_realm'],
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data.value['owner'], 'key')
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etcd_entry = shared.etcd_client.get_prefix(etcd_key, value_in_json=True)
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user_personal_ssh_keys = [key.value for key in etcd_entry]
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data.value['metadata']['ssh-keys'] += user_personal_ssh_keys
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return data.value['metadata'], 200
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@staticmethod
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def post():
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return {'message': 'Previous Implementation is deprecated.'}
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# data = etcd_client.get("/v1/metadata/{}".format(request.remote_addr), value_in_json=True)
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# print(data)
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# if data:
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# for k in request.json:
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# if k not in data.value:
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# data.value[k] = request.json[k]
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# if k.endswith("-list"):
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# data.value[k] = [request.json[k]]
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# else:
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# if k.endswith("-list"):
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# data.value[k].append(request.json[k])
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# else:
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# data.value[k] = request.json[k]
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# etcd_client.put("/v1/metadata/{}".format(request.remote_addr),
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# data.value, value_in_json=True)
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# else:
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# data = {}
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# for k in request.json:
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# data[k] = request.json[k]
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# if k.endswith("-list"):
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# data[k] = [request.json[k]]
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# etcd_client.put("/v1/metadata/{}".format(request.remote_addr),
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# data, value_in_json=True)
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api.add_resource(Root, '/')
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def main():
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app.run(debug=True, host="::", port="80")
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if __name__ == '__main__':
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main()
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