301 lines
11 KiB
Python
301 lines
11 KiB
Python
from __future__ import unicode_literals
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import hashlib
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from copy import copy
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from random import random
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from moto.core import BaseBackend, BaseModel
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from moto.ec2 import ec2_backends
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from moto.ecr.exceptions import ImageNotFoundException, RepositoryNotFoundException
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from botocore.exceptions import ParamValidationError
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DEFAULT_REGISTRY_ID = '012345678910'
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class BaseObject(BaseModel):
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def camelCase(self, key):
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words = []
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for i, word in enumerate(key.split('_')):
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if i > 0:
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words.append(word.title())
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else:
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words.append(word)
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return ''.join(words)
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def gen_response_object(self):
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response_object = copy(self.__dict__)
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for key, value in response_object.items():
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if '_' in key:
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response_object[self.camelCase(key)] = value
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del response_object[key]
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return response_object
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@property
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def response_object(self):
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return self.gen_response_object()
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class Repository(BaseObject):
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def __init__(self, repository_name):
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self.registry_id = DEFAULT_REGISTRY_ID
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self.arn = 'arn:aws:ecr:us-east-1:{0}:repository/{1}'.format(
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self.registry_id, repository_name)
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self.name = repository_name
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# self.created = datetime.utcnow()
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self.uri = '{0}.dkr.ecr.us-east-1.amazonaws.com/{1}'.format(
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self.registry_id, repository_name)
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self.images = []
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@property
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def physical_resource_id(self):
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return self.name
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@property
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def response_object(self):
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response_object = self.gen_response_object()
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response_object['registryId'] = self.registry_id
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response_object['repositoryArn'] = self.arn
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response_object['repositoryName'] = self.name
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response_object['repositoryUri'] = self.uri
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# response_object['createdAt'] = self.created
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del response_object['arn'], response_object['name'], response_object['images']
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return response_object
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@classmethod
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def create_from_cloudformation_json(cls, resource_name, cloudformation_json, region_name):
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properties = cloudformation_json['Properties']
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ecr_backend = ecr_backends[region_name]
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return ecr_backend.create_repository(
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# RepositoryName is optional in CloudFormation, thus create a random
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# name if necessary
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repository_name=properties.get(
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'RepositoryName', 'ecrrepository{0}'.format(int(random() * 10 ** 6))),
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)
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@classmethod
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def update_from_cloudformation_json(cls, original_resource, new_resource_name, cloudformation_json, region_name):
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properties = cloudformation_json['Properties']
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if original_resource.name != properties['RepositoryName']:
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ecr_backend = ecr_backends[region_name]
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ecr_backend.delete_cluster(original_resource.arn)
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return ecr_backend.create_repository(
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# RepositoryName is optional in CloudFormation, thus create a
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# random name if necessary
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repository_name=properties.get(
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'RepositoryName', 'RepositoryName{0}'.format(int(random() * 10 ** 6))),
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)
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else:
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# no-op when nothing changed between old and new resources
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return original_resource
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class Image(BaseObject):
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def __init__(self, tag, manifest, repository, registry_id=DEFAULT_REGISTRY_ID):
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self.image_tag = tag
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self.image_manifest = manifest
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self.image_size_in_bytes = 50 * 1024 * 1024
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self.repository = repository
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self.registry_id = registry_id
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self.image_digest = None
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self.image_pushed_at = None
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def _create_digest(self):
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image_contents = 'docker_image{0}'.format(int(random() * 10 ** 6))
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self.image_digest = "sha256:%s" % hashlib.sha256(image_contents.encode('utf-8')).hexdigest()
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def get_image_digest(self):
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if not self.image_digest:
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self._create_digest()
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return self.image_digest
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@property
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def response_object(self):
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response_object = self.gen_response_object()
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response_object['imageId'] = {}
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response_object['imageId']['imageTag'] = self.image_tag
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response_object['imageId']['imageDigest'] = self.get_image_digest()
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response_object['imageManifest'] = self.image_manifest
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response_object['repositoryName'] = self.repository
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response_object['registryId'] = self.registry_id
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return response_object
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@property
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def response_list_object(self):
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response_object = self.gen_response_object()
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response_object['imageTag'] = self.image_tag
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response_object['imageDigest'] = "i don't know"
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return response_object
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@property
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def response_describe_object(self):
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response_object = self.gen_response_object()
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response_object['imageTags'] = [self.image_tag]
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response_object['imageDigest'] = self.get_image_digest()
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response_object['imageManifest'] = self.image_manifest
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response_object['repositoryName'] = self.repository
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response_object['registryId'] = self.registry_id
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response_object['imageSizeInBytes'] = self.image_size_in_bytes
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response_object['imagePushedAt'] = '2017-05-09'
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return response_object
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@property
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def response_batch_get_image(self):
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response_object = {}
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response_object['imageId'] = {}
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response_object['imageId']['imageTag'] = self.image_tag
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response_object['imageId']['imageDigest'] = self.get_image_digest()
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response_object['imageManifest'] = self.image_manifest
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response_object['repositoryName'] = self.repository
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response_object['registryId'] = self.registry_id
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return response_object
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class ECRBackend(BaseBackend):
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def __init__(self):
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self.repositories = {}
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def describe_repositories(self, registry_id=None, repository_names=None):
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"""
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maxResults and nextToken not implemented
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"""
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if repository_names:
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for repository_name in repository_names:
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if repository_name not in self.repositories:
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raise RepositoryNotFoundException(repository_name, registry_id or DEFAULT_REGISTRY_ID)
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repositories = []
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for repository in self.repositories.values():
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# If a registry_id was supplied, ensure this repository matches
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if registry_id:
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if repository.registry_id != registry_id:
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continue
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# If a list of repository names was supplied, esure this repository
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# is in that list
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if repository_names:
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if repository.name not in repository_names:
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continue
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repositories.append(repository.response_object)
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return repositories
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def create_repository(self, repository_name):
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repository = Repository(repository_name)
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self.repositories[repository_name] = repository
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return repository
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def delete_repository(self, repository_name, registry_id=None):
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if repository_name in self.repositories:
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return self.repositories.pop(repository_name)
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else:
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raise RepositoryNotFoundException(repository_name, registry_id or DEFAULT_REGISTRY_ID)
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def list_images(self, repository_name, registry_id=None):
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"""
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maxResults and filtering not implemented
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"""
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repository = None
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found = False
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if repository_name in self.repositories:
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repository = self.repositories[repository_name]
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if registry_id:
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if repository.registry_id == registry_id:
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found = True
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else:
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found = True
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if not found:
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raise RepositoryNotFoundException(repository_name, registry_id or DEFAULT_REGISTRY_ID)
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images = []
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for image in repository.images:
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images.append(image)
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return images
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def describe_images(self, repository_name, registry_id=None, image_ids=None):
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if repository_name in self.repositories:
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repository = self.repositories[repository_name]
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else:
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raise RepositoryNotFoundException(repository_name, registry_id or DEFAULT_REGISTRY_ID)
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if image_ids:
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response = set()
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for image_id in image_ids:
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found = False
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for image in repository.images:
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if (('imageDigest' in image_id and image.get_image_digest() == image_id['imageDigest']) or
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('imageTag' in image_id and image.image_tag == image_id['imageTag'])):
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found = True
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response.add(image)
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if not found:
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image_id_representation = "{imageDigest:'%s', imageTag:'%s'}" % (
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image_id.get('imageDigest', 'null'),
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image_id.get('imageTag', 'null'),
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)
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raise ImageNotFoundException(
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image_id=image_id_representation,
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repository_name=repository_name,
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registry_id=registry_id or DEFAULT_REGISTRY_ID)
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else:
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response = []
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for image in repository.images:
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response.append(image)
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return response
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def put_image(self, repository_name, image_manifest, image_tag):
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if repository_name in self.repositories:
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repository = self.repositories[repository_name]
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else:
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raise Exception("{0} is not a repository".format(repository_name))
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image = Image(image_tag, image_manifest, repository_name)
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repository.images.append(image)
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return image
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def batch_get_image(self, repository_name, registry_id=None, image_ids=None, accepted_media_types=None):
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if repository_name in self.repositories:
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repository = self.repositories[repository_name]
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else:
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raise RepositoryNotFoundException(repository_name, registry_id or DEFAULT_REGISTRY_ID)
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if not image_ids:
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raise ParamValidationError(msg='Missing required parameter in input: "imageIds"')
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response = {
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'images': [],
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'failures': [],
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}
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for image_id in image_ids:
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found = False
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for image in repository.images:
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if (('imageDigest' in image_id and image.get_image_digest() == image_id['imageDigest']) or
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('imageTag' in image_id and image.image_tag == image_id['imageTag'])):
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found = True
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response['images'].append(image.response_batch_get_image)
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if not found:
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response['failures'].append({
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'imageId': {
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'imageTag': image_id.get('imageTag', 'null')
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},
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'failureCode': 'ImageNotFound',
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'failureReason': 'Requested image not found'
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})
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return response
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ecr_backends = {}
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for region, ec2_backend in ec2_backends.items():
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ecr_backends[region] = ECRBackend()
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