58 lines
1.6 KiB
Python
58 lines
1.6 KiB
Python
# Copyright (c) 2013 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import httplib2
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import json
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from os_collect_config import exc
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EC2_METADATA_URL = 'http://169.254.169.254/latest/meta-data'
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h = httplib2.Http()
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def _fetch_metadata(sub_url):
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global h
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try:
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(resp, content) = h.request('%s%s' % (EC2_METADATA_URL, sub_url))
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except httplib2.socks.HTTPError:
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raise exc.Ec2MetadataNotAvailable
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if resp.status != 200:
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raise Exception('Error fetching %s' % sub_url)
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if sub_url[-1] == '/':
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new_content = {}
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for subkey in content.split("\n"):
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if '=' in subkey:
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subkey = subkey[:subkey.index('=')] + '/'
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sub_sub_url = sub_url + subkey
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if subkey[-1] == '/':
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subkey = subkey[:-1]
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new_content[subkey] = _fetch_metadata(sub_sub_url)
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content = new_content
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return content
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def collect_ec2():
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return _fetch_metadata('/')
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def __main__():
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print json.dumps(collect_ec2(), indent=1)
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if __name__ == '__main__':
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__main__()
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