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0092e1c2c2
In practice they are just typed functions with attributes, having a reference to an object is just confusing. So: Task.run() is now a classmethod
46 lines
1.4 KiB
Python
46 lines
1.4 KiB
Python
from base import Task
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from common import phases
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import host
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class GetCredentials(Task):
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description = 'Getting AWS credentials'
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phase = phases.preparation
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@classmethod
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def run(cls, info):
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keys = ['access-key', 'secret-key']
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if info.manifest.volume['backing'] == 's3':
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keys.extend(['certificate', 'private-key', 'user-id'])
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info.credentials = cls.get_credentials(info.manifest, keys)
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@classmethod
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def get_credentials(cls, manifest, keys):
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from os import getenv
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creds = {}
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if all(key in manifest.data['credentials'] for key in keys):
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for key in keys:
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creds[key] = manifest.data['credentials'][key]
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return creds
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def env_key(key):
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return ('aws-' + key).upper().replace('-', '_')
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if all(getenv(env_key(key)) is not None for key in keys):
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for key in keys:
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creds[key] = getenv(env_key(key))
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return creds
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raise RuntimeError(('No ec2 credentials found, they must all be specified '
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'exclusively via environment variables or through the manifest.'))
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class Connect(Task):
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description = 'Connecting to EC2'
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phase = phases.preparation
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predecessors = [GetCredentials, host.GetInfo]
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@classmethod
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def run(cls, info):
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from boto.ec2 import connect_to_region
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info.connection = connect_to_region(info.host['region'],
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aws_access_key_id=info.credentials['access-key'],
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aws_secret_access_key=info.credentials['secret-key'])
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