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Source code for galaxy.tool_util.deps.containers
import collections
import logging
import os
from galaxy.util import (
asbool,
plugin_config
)
from .container_classes import (
CONTAINER_CLASSES,
DOCKER_CONTAINER_TYPE,
NULL_CONTAINER,
SINGULARITY_CONTAINER_TYPE,
)
from .container_resolvers import ResolutionCache
from .container_resolvers.explicit import (
ExplicitContainerResolver,
ExplicitSingularityContainerResolver,
)
from .container_resolvers.mulled import (
BuildMulledDockerContainerResolver,
BuildMulledSingularityContainerResolver,
CachedMulledDockerContainerResolver,
CachedMulledSingularityContainerResolver,
MulledDockerContainerResolver,
MulledSingularityContainerResolver,
)
from .requirements import (
ContainerDescription,
)
log = logging.getLogger(__name__)
DEFAULT_CONTAINER_TYPE = DOCKER_CONTAINER_TYPE
ALL_CONTAINER_TYPES = [DOCKER_CONTAINER_TYPE, SINGULARITY_CONTAINER_TYPE]
ResolvedContainerDescription = collections.namedtuple('ResolvedContainerDescription', ['container_resolver', 'container_description'])
[docs]class ContainerFinder:
[docs] def __init__(self, app_info, mulled_resolution_cache=None):
self.app_info = app_info
self.mulled_resolution_cache = mulled_resolution_cache
self.default_container_registry = ContainerRegistry(app_info, mulled_resolution_cache=mulled_resolution_cache)
self.destination_container_registeries = {}
def _enabled_container_types(self, destination_info):
return [t for t in ALL_CONTAINER_TYPES if self.__container_type_enabled(t, destination_info)]
[docs] def find_best_container_description(self, enabled_container_types, tool_info, **kwds):
"""Regardless of destination properties - find best container for tool.
Given container types and container.ToolInfo description of the tool."""
return self.default_container_registry.find_best_container_description(enabled_container_types, tool_info, **kwds)
[docs] def resolve(self, enabled_container_types, tool_info, **kwds):
"""Regardless of destination properties - find ResolvedContainerDescription for tool."""
return self.default_container_registry.resolve(enabled_container_types, tool_info, **kwds)
def _container_registry_for_destination(self, destination_info):
destination_id = destination_info.get("id") # Probably not the way to get the ID?
destination_container_registry = None
if destination_id and destination_id not in self.destination_container_registeries:
if 'container_resolvers' in destination_info:
destination_container_registry = ContainerRegistry(self.app_info, destination_info=destination_info, mulled_resolution_cache=self.mulled_resolution_cache)
self.destination_container_registeries[destination_id] = destination_container_registry
elif not destination_id and 'container_resolvers' in destination_info:
destination_container_registry = ContainerRegistry(self.app_info, destination_info=destination_info, mulled_resolution_cache=self.mulled_resolution_cache)
if destination_container_registry is None and destination_id and destination_id in self.destination_container_registeries:
destination_container_registry = self.destination_container_registeries[destination_id]
return destination_container_registry or self.default_container_registry
[docs] def find_container(self, tool_info, destination_info, job_info):
enabled_container_types = self._enabled_container_types(destination_info)
# Short-cut everything else and just skip checks if no container type is enabled.
if not enabled_container_types:
return NULL_CONTAINER
def __destination_container(container_description=None, container_id=None, container_type=None):
if container_description:
container_id = container_description.identifier
container_type = container_description.type
container = self.__destination_container(
container_id,
container_type,
tool_info,
destination_info,
job_info,
container_description,
)
return container
def container_from_description_from_dicts(destination_container_dicts):
for destination_container_dict in destination_container_dicts:
container_description = ContainerDescription.from_dict(destination_container_dict)
if container_description:
container = __destination_container(container_description)
if container:
return container
if "container_override" in destination_info:
container = container_from_description_from_dicts(destination_info["container_override"])
if container:
return container
# If destination forcing Galaxy to use a particular container do it,
# this is likely kind of a corner case. For instance if deployers
# do not trust the containers annotated in tools.
for container_type in CONTAINER_CLASSES.keys():
container_id = self.__overridden_container_id(container_type, destination_info)
if container_id:
container = __destination_container(container_type=container_type, container_id=container_id)
if container:
return container
# Otherwise lets see if we can find container for the tool.
container_registry = self._container_registry_for_destination(destination_info)
container_description = container_registry.find_best_container_description(enabled_container_types, tool_info)
container = __destination_container(container_description)
if container:
return container
# If we still don't have a container, check to see if any container
# types define a default container id and use that.
if "container" in destination_info:
container = container_from_description_from_dicts(destination_info["container"])
if container:
return container
for container_type in CONTAINER_CLASSES.keys():
container_id = self.__default_container_id(container_type, destination_info)
if container_id:
container = __destination_container(container_type=container_type, container_id=container_id)
if container:
return container
return NULL_CONTAINER
def __overridden_container_id(self, container_type, destination_info):
if not self.__container_type_enabled(container_type, destination_info):
return None
if f"{container_type}_container_id_override" in destination_info:
return destination_info.get(f"{container_type}_container_id_override")
if f"{container_type}_image_override" in destination_info:
return self.__build_container_id_from_parts(container_type, destination_info, mode="override")
def __build_container_id_from_parts(self, container_type, destination_info, mode):
repo = ""
owner = ""
repo_key = f"{container_type}_repo_{mode}"
owner_key = f"{container_type}_owner_{mode}"
if repo_key in destination_info:
repo = f"{destination_info[repo_key]}/"
if owner_key in destination_info:
owner = f"{destination_info[owner_key]}/"
cont_id = repo + owner + destination_info[f"{container_type}_image_{mode}"]
tag_key = f"{container_type}_tag_{mode}"
if tag_key in destination_info:
cont_id += f":{destination_info[tag_key]}"
return cont_id
def __default_container_id(self, container_type, destination_info):
if not self.__container_type_enabled(container_type, destination_info):
return None
key = f"{container_type}_default_container_id"
# Also allow docker_image...
if key not in destination_info:
key = f"{container_type}_image"
if key in destination_info:
return destination_info.get(key)
elif f"{container_type}_image_default" in destination_info:
return self.__build_container_id_from_parts(container_type, destination_info, mode="default")
return None
def __destination_container(self, container_id, container_type, tool_info, destination_info, job_info, container_description=None):
# TODO: ensure destination_info is dict-like
if not self.__container_type_enabled(container_type, destination_info):
return NULL_CONTAINER
# TODO: Right now this assumes all containers available when a
# container type is - there should be more thought put into this.
# Checking which are available - settings policies for what can be
# auto-fetched, etc....
return CONTAINER_CLASSES[container_type](container_id, self.app_info, tool_info, destination_info, job_info, container_description)
def __container_type_enabled(self, container_type, destination_info):
return asbool(destination_info.get(f"{container_type}_enabled", False))
[docs]class ContainerRegistry:
"""Loop through enabled ContainerResolver plugins and find first match."""
[docs] def __init__(self, app_info, destination_info=None, mulled_resolution_cache=None):
self.resolver_classes = self.__resolvers_dict()
self.enable_mulled_containers = app_info.enable_mulled_containers
self.app_info = app_info
self.container_resolvers = self.__build_container_resolvers(app_info, destination_info)
self.mulled_resolution_cache = mulled_resolution_cache
def __build_container_resolvers(self, app_info, destination_info):
app_conf_file = getattr(app_info, 'container_resolvers_config_file', None)
app_conf_dict = getattr(app_info, 'container_resolvers_config_dict', None)
if destination_info is not None:
conf_file = destination_info.get('container_resolvers_config_file', app_conf_file)
conf_dict = destination_info.get('container_resolvers', app_conf_dict)
else:
conf_file = app_conf_file
conf_dict = app_conf_dict
plugin_source = None
if conf_dict:
log.debug("Loading container resolution config inline from Galaxy or job configuration file")
plugin_source = plugin_config.plugin_source_from_dict(conf_dict)
elif conf_file and not os.path.exists(conf_file):
log.warning(f"Unable to find config file '{conf_file}'")
elif conf_file:
log.debug("Loading container resolution config from file '{conf_file}'")
plugin_source = plugin_config.plugin_source_from_path(conf_file)
if plugin_source:
return self._parse_resolver_conf(plugin_source)
return self.__default_container_resolvers()
def _parse_resolver_conf(self, plugin_source):
extra_kwds = {
'app_info': self.app_info
}
return plugin_config.load_plugins(self.resolver_classes, plugin_source, extra_kwds)
def __default_container_resolvers(self):
default_resolvers = [
ExplicitContainerResolver(self.app_info),
ExplicitSingularityContainerResolver(self.app_info),
]
if self.enable_mulled_containers:
default_resolvers.extend([
CachedMulledDockerContainerResolver(self.app_info, namespace="biocontainers"),
CachedMulledDockerContainerResolver(self.app_info, namespace="local"),
CachedMulledSingularityContainerResolver(self.app_info, namespace="biocontainers"),
CachedMulledSingularityContainerResolver(self.app_info, namespace="local"),
MulledDockerContainerResolver(self.app_info, namespace="biocontainers"),
MulledSingularityContainerResolver(self.app_info, namespace="biocontainers"),
])
# BuildMulledDockerContainerResolver and BuildMulledSingularityContainerResolver both need the docker daemon to build images.
# If docker is not available, we don't load them.
build_mulled_docker_container_resolver = BuildMulledDockerContainerResolver(self.app_info)
if build_mulled_docker_container_resolver.cli_available:
default_resolvers.extend([
build_mulled_docker_container_resolver,
BuildMulledSingularityContainerResolver(self.app_info),
])
return default_resolvers
def __resolvers_dict(self):
import galaxy.tool_util.deps.container_resolvers
return plugin_config.plugins_dict(galaxy.tool_util.deps.container_resolvers, 'resolver_type')
[docs] def get_resolution_cache(self):
cache = ResolutionCache()
if self.mulled_resolution_cache is not None:
cache.mulled_resolution_cache = self.mulled_resolution_cache
return cache
[docs] def find_best_container_description(self, enabled_container_types, tool_info, **kwds):
"""Yield best container description of supplied types matching tool info."""
try:
resolved_container_description = self.resolve(enabled_container_types, tool_info, **kwds)
except Exception:
log.exception("Could not get container description for tool '%s'", tool_info.tool_id)
return None
return None if resolved_container_description is None else resolved_container_description.container_description
[docs] def resolve(self, enabled_container_types, tool_info, index=None, resolver_type=None, install=True, resolution_cache=None, session=None):
resolution_cache = resolution_cache or self.get_resolution_cache()
for i, container_resolver in enumerate(self.container_resolvers):
if index is not None and i != index:
continue
if resolver_type is not None and resolver_type != container_resolver.resolver_type:
continue
if hasattr(container_resolver, "container_type"):
if container_resolver.container_type not in enabled_container_types:
continue
if not install and container_resolver.builds_on_resolution:
continue
container_description = container_resolver.resolve(enabled_container_types, tool_info, install=install, resolution_cache=resolution_cache, session=session)
log.info(f"Checking with container resolver [{container_resolver}] found description [{container_description}]")
if container_description:
assert container_description.type in enabled_container_types
return ResolvedContainerDescription(container_resolver, container_description)
return None