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ebba39f59b
This is where all provider specific settings belong like waagent on azure, guest additions iso path on vbox and virtualization type on ec2
55 lines
1.8 KiB
Python
55 lines
1.8 KiB
Python
from bootstrapvz.base import Task
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from bootstrapvz.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.provider['credentials'] for key in keys):
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for key in keys:
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creds[key] = manifest.provider['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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def provider_key(key):
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return key.replace('-', '_')
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import boto.provider
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provider = boto.provider.Provider('aws')
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if all(getattr(provider, provider_key(key)) is not None for key in keys):
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for key in keys:
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creds[key] = getattr(provider, provider_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.GetInstanceMetadata, host.SetRegion]
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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._ec2['connection'] = connect_to_region(info._ec2['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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