Package arvados :: Package commands :: Module keepdocker

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Module keepdocker

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Classes

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DockerError

Functions

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popen_docker(cmd, *args, **kwargs)

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check_docker(proc, description)

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docker_image_format(image_hash)
Return the registry format ('v1' or 'v2') of the given image.

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docker_image_compatible(api, image_hash)

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docker_images()

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find_image_hashes(image_search, image_tag=None)

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find_one_image_hash(image_search, image_tag=None)

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stat_cache_name(image_file)

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pull_image(image_name, image_tag)

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save_image(image_hash, image_file)

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get_cache_dir()

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prep_image_file(filename)

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make_link(api_client, num_retries, link_class, link_name, **link_attrs)

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docker_link_sort_key(link)
Build a sort key to find the latest available Docker image.

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_get_docker_links(api_client, num_retries, **kwargs)

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_new_image_listing(link, dockerhash, repo='<none>', tag='<none>')

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list_images_in_arv(api_client, num_retries, image_name=None, image_tag=None)
List all Docker images known to the api_client with image_name and image_tag.

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items_owned_by(owner_uuid, arv_items)

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_uuid2pdh(api, uuid)

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main(arguments=None, stdout=sys.stdout, install_sig_handlers=True, api=None)

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Variables

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logger = logging.getLogger('arvados.keepdocker')

EARLIEST_DATETIME = datetime.datetime(datetime.MINYEAR, 1, 1, ...

STAT_CACHE_ERRORS = IOError, OSError, ValueError

DockerImage = collections.namedtuple('DockerImage', ['repo', '...

keepdocker_parser = argparse.ArgumentParser(add_help= False)

_group = keepdocker_parser.add_mutually_exclusive_group()

arg_parser = argparse.ArgumentParser(description= "Upload or l...

Function Details

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docker_link_sort_key(link)

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Build a sort key to find the latest available Docker image.

To find one source collection for a Docker image referenced by name or image id, the API server looks for a link with the most recent `image_timestamp` property; then the most recent `created_at` timestamp. This method generates a sort key for Docker metadata links to sort them from least to most preferred.

list_images_in_arv(api_client, num_retries, image_name=None, image_tag=None)

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List all Docker images known to the api_client with image_name and image_tag. If no image_name is given, defaults to listing all Docker images.

Returns a list of tuples representing matching Docker images, sorted in preference order (i.e. the first collection in the list is the one that the API server would use). Each tuple is a (collection_uuid, collection_info) pair, where collection_info is a dict with fields "dockerhash", "repo", "tag", and "timestamp".

Variables Details

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EARLIEST_DATETIME

Value:

datetime.datetime(datetime.MINYEAR, 1, 1, 0, 0, 0)

DockerImage

Value:

collections.namedtuple('DockerImage', ['repo', 'tag', 'hash', 'created
', 'vsize'])

arg_parser

Value:

argparse.ArgumentParser(description= "Upload or list Docker images in 
Arvados", parents= [keepdocker_parser, arv_put.run_opts, arv_cmd.retry
_opt])