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community.docker/plugins/module_utils/_compose_v2.py

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# Copyright (c) 2023, Felix Fontein <felix@fontein.de>
# Copyright (c) 2023, Léo El Amri (@lel-amri)
# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
# SPDX-License-Identifier: GPL-3.0-or-later
# Note that this module util is **PRIVATE** to the collection. It can have breaking changes at any time.
# Do not use this from other collections or standalone plugins/modules!
from __future__ import annotations
import json
import os
import re
import shutil
import tempfile
import traceback
from collections import namedtuple
from shlex import quote
from ansible.module_utils.basic import missing_required_lib
from ansible.module_utils.common.text.converters import to_native
from ansible_collections.community.docker.plugins.module_utils._logfmt import (
InvalidLogFmt as _InvalidLogFmt,
)
from ansible_collections.community.docker.plugins.module_utils._logfmt import (
parse_line as _parse_logfmt_line,
)
from ansible_collections.community.docker.plugins.module_utils._util import (
DockerBaseClass,
)
from ansible_collections.community.docker.plugins.module_utils._version import (
LooseVersion,
)
try:
import yaml
try:
# use C version if possible for speedup
from yaml import CSafeDumper as _SafeDumper
except ImportError:
from yaml import SafeDumper as _SafeDumper
HAS_PYYAML = True
PYYAML_IMPORT_ERROR = None
except ImportError:
HAS_PYYAML = False
PYYAML_IMPORT_ERROR = traceback.format_exc()
DOCKER_COMPOSE_FILES = (
"compose.yaml",
"compose.yml",
"docker-compose.yaml",
"docker-compose.yml",
)
DOCKER_STATUS_DONE = frozenset(
(
"Started",
"Healthy",
"Exited",
"Restarted",
"Running",
"Created",
"Stopped",
"Killed",
"Removed",
# An extra, specific to containers
"Recreated",
# Extras for pull events
"Pulled",
# Extras for built events
"Built",
)
)
DOCKER_STATUS_WORKING = frozenset(
(
"Creating",
"Starting",
"Restarting",
"Stopping",
"Killing",
"Removing",
# An extra, specific to containers
"Recreate",
# Extras for pull events
"Pulling",
# Extras for build start events
"Building",
)
)
DOCKER_STATUS_PULL = frozenset(
(
"Pulled",
"Pulling",
)
)
DOCKER_STATUS_BUILD = frozenset(
(
"Built",
"Building",
)
)
DOCKER_STATUS_ERROR = frozenset(("Error",))
DOCKER_STATUS_WARNING = frozenset(("Warning",))
DOCKER_STATUS_WAITING = frozenset(("Waiting",))
DOCKER_STATUS = frozenset(
DOCKER_STATUS_DONE
| DOCKER_STATUS_WORKING
| DOCKER_STATUS_PULL
| DOCKER_STATUS_ERROR
| DOCKER_STATUS_WAITING
)
DOCKER_STATUS_AND_WARNING = frozenset(DOCKER_STATUS | DOCKER_STATUS_WARNING)
DOCKER_PULL_PROGRESS_DONE = frozenset(
(
"Already exists",
"Download complete",
"Pull complete",
)
)
DOCKER_PULL_PROGRESS_WORKING = frozenset(
(
"Pulling fs layer",
"Waiting",
"Downloading",
"Verifying Checksum",
"Extracting",
)
)
class ResourceType:
UNKNOWN = "unknown"
NETWORK = "network"
IMAGE = "image"
IMAGE_LAYER = "image-layer"
VOLUME = "volume"
CONTAINER = "container"
SERVICE = "service"
@classmethod
def from_docker_compose_event(cls, resource_type):
# type: (Type[ResourceType], Text) -> Any
return {
"Network": cls.NETWORK,
"Image": cls.IMAGE,
"Volume": cls.VOLUME,
"Container": cls.CONTAINER,
"Service": cls.SERVICE,
}[resource_type]
Event = namedtuple("Event", ["resource_type", "resource_id", "status", "msg"])
_DRY_RUN_MARKER = "DRY-RUN MODE -"
_RE_RESOURCE_EVENT = re.compile(
r"^"
r"\s*"
r"(?P<resource_type>Network|Image|Volume|Container)"
r"\s+"
r"(?P<resource_id>\S+)"
r"\s+"
r"(?P<status>\S(?:|.*\S))"
r"\s*"
r"$"
)
_RE_PULL_EVENT = re.compile(
r"^"
r"\s*"
r"(?P<service>\S+)"
r"\s+"
r"(?P<status>%s)"
r"\s*"
r"$" % "|".join(re.escape(status) for status in DOCKER_STATUS_PULL)
)
_RE_PULL_PROGRESS = re.compile(
r"^"
r"\s*"
r"(?P<layer>\S+)"
r"\s+"
r"(?P<status>%s)"
r"\s*"
r"(?:|\s\[[^]]+\]\s+\S+\s*|\s+[0-9.kKmMgGbB]+/[0-9.kKmMgGbB]+\s*)"
r"$"
% "|".join(
re.escape(status)
for status in sorted(DOCKER_PULL_PROGRESS_DONE | DOCKER_PULL_PROGRESS_WORKING)
)
)
_RE_ERROR_EVENT = re.compile(
r"^"
r"\s*"
r"(?P<resource_id>\S+)"
r"\s+"
r"(?P<status>%s)"
r"\s*"
r"(?P<msg>\S.*\S)?"
r"$" % "|".join(re.escape(status) for status in DOCKER_STATUS_ERROR)
)
_RE_WARNING_EVENT = re.compile(
r"^"
r"\s*"
r"(?P<resource_id>\S+)"
r"\s+"
r"(?P<status>%s)"
r"\s*"
r"(?P<msg>\S.*\S)?"
r"$" % "|".join(re.escape(status) for status in DOCKER_STATUS_WARNING)
)
_RE_CONTINUE_EVENT = re.compile(r"^\s*(?P<resource_id>\S+)\s+-\s*(?P<msg>\S(?:|.*\S))$")
_RE_SKIPPED_EVENT = re.compile(
r"^"
r"\s*"
r"(?P<resource_id>\S+)"
r"\s+"
r"Skipped(?: -"
r"\s*"
r"(?P<msg>\S(?:|.*\S))|\s*)"
r"$"
)
_RE_BUILD_START_EVENT = re.compile(r"^\s*build service\s+(?P<resource_id>\S+)$")
_RE_BUILD_PROGRESS_EVENT = re.compile(r"^\s*==>\s+(?P<msg>.*)$")
# The following needs to be kept in sync with the MINIMUM_VERSION compose_v2 docs fragment
MINIMUM_COMPOSE_VERSION = "2.18.0"
def _extract_event(line, warn_function=None):
match = _RE_RESOURCE_EVENT.match(line)
if match is not None:
status = match.group("status")
msg = None
if status not in DOCKER_STATUS:
status, msg = msg, status
return (
Event(
ResourceType.from_docker_compose_event(match.group("resource_type")),
match.group("resource_id"),
status,
msg,
),
True,
)
match = _RE_PULL_EVENT.match(line)
if match:
return (
Event(
ResourceType.SERVICE,
match.group("service"),
match.group("status"),
None,
),
True,
)
match = _RE_ERROR_EVENT.match(line)
if match:
return (
Event(
ResourceType.UNKNOWN,
match.group("resource_id"),
match.group("status"),
match.group("msg") or None,
),
True,
)
match = _RE_WARNING_EVENT.match(line)
if match:
if warn_function:
if match.group("msg"):
msg = f"{match.group('resource_id')}: {match.group('msg')}"
else:
msg = f"Unspecified warning for {match.group('resource_id')}"
warn_function(msg)
return None, True
match = _RE_PULL_PROGRESS.match(line)
if match:
return (
Event(
ResourceType.IMAGE_LAYER,
match.group("layer"),
match.group("status"),
None,
),
True,
)
match = _RE_SKIPPED_EVENT.match(line)
if match:
return (
Event(
ResourceType.UNKNOWN,
match.group("resource_id"),
"Skipped",
match.group("msg"),
),
True,
)
match = _RE_BUILD_START_EVENT.match(line)
if match:
return (
Event(
ResourceType.SERVICE,
match.group("resource_id"),
"Building",
None,
),
True,
)
return None, False
def _extract_logfmt_event(line, warn_function=None):
try:
result = _parse_logfmt_line(line, logrus_mode=True)
except _InvalidLogFmt:
return None, False
if "time" not in result or "level" not in result or "msg" not in result:
return None, False
if result["level"] == "warning":
if warn_function:
warn_function(result["msg"])
return None, True
# TODO: no idea what to do with this
return None, False
def _warn_missing_dry_run_prefix(line, warn_missing_dry_run_prefix, warn_function):
if warn_missing_dry_run_prefix and warn_function:
# This could be a bug, a change of docker compose's output format, ...
# Tell the user to report it to us :-)
warn_function(
f"Event line is missing dry-run mode marker: {line!r}. Please report this at "
"https://github.com/ansible-collections/community.docker/issues/new?assignees=&labels=&projects=&template=bug_report.md"
)
def _warn_unparsable_line(line, warn_function):
# This could be a bug, a change of docker compose's output format, ...
# Tell the user to report it to us :-)
if warn_function:
warn_function(
f"Cannot parse event from line: {line!r}. Please report this at "
"https://github.com/ansible-collections/community.docker/issues/new?assignees=&labels=&projects=&template=bug_report.md"
)
def _find_last_event_for(events, resource_id):
for index, event in enumerate(reversed(events)):
if event.resource_id == resource_id:
return len(events) - 1 - index, event
return None
def _concat_event_msg(event, append_msg):
return Event(
event.resource_type,
event.resource_id,
event.status,
"\n".join(msg for msg in [event.msg, append_msg] if msg is not None),
)
_JSON_LEVEL_TO_STATUS_MAP = {
"warning": "Warning",
"error": "Error",
}
def parse_json_events(stderr, warn_function=None):
events = []
stderr_lines = stderr.splitlines()
if stderr_lines and stderr_lines[-1] == b"":
del stderr_lines[-1]
for line in stderr_lines:
line = line.strip()
if not line.startswith(b"{") or not line.endswith(b"}"):
if line.startswith(b"Warning: "):
# This is a bug in Compose that will get fixed by https://github.com/docker/compose/pull/11996
event = Event(
ResourceType.UNKNOWN,
None,
"Warning",
to_native(line[len(b"Warning: ") :]),
)
events.append(event)
continue
if warn_function:
warn_function(
f"Cannot parse event from non-JSON line: {line!r}. Please report this at "
"https://github.com/ansible-collections/community.docker/issues/new?assignees=&labels=&projects=&template=bug_report.md"
)
continue
try:
line_data = json.loads(line)
except Exception as exc:
if warn_function:
warn_function(
f"Cannot parse event from line: {line!r}: {exc}. Please report this at "
"https://github.com/ansible-collections/community.docker/issues/new?assignees=&labels=&projects=&template=bug_report.md"
)
continue
if line_data.get("tail"):
resource_type = ResourceType.UNKNOWN
msg = line_data.get("text")
status = "Error"
if isinstance(msg, str) and msg.lower().startswith("warning:"):
# For some reason, Writer.TailMsgf() is always used for errors *except* in one place,
# where its message is prepended with 'WARNING: ' (in pkg/compose/pull.go).
status = "Warning"
msg = msg[len("warning:") :].lstrip()
event = Event(
resource_type,
None,
status,
msg,
)
elif line_data.get("error"):
resource_type = ResourceType.UNKNOWN
event = Event(
resource_type,
line_data.get("id"),
"Error",
line_data.get("message"),
)
else:
resource_type = ResourceType.UNKNOWN
resource_id = line_data.get("id")
status = line_data.get("status")
text = line_data.get("text")
if resource_id == " " and text and text.startswith("build service "):
# Example:
# {"dry-run":true,"id":" ","text":"build service app"}
resource_id = "S" + text[len("build s") :]
text = "Building"
if (
isinstance(resource_id, str)
and resource_id.endswith("==>")
and text
and text.startswith("==> writing image ")
):
# Example:
# {"dry-run":true,"id":"==>","text":"==> writing image dryRun-7d1043473d55bfa90e8530d35801d4e381bc69f0"}
# {"dry-run":true,"id":"ansible-docker-test-dc713f1f-container ==>","text":"==> writing image dryRun-5d9204268db1a73d57bbd24a25afbeacebe2bc02"}
# (The longer form happens since Docker Compose 2.39.0)
continue
if (
isinstance(resource_id, str)
and resource_id.endswith("==> ==>")
and text
and text.startswith("naming to ")
):
# Example:
# {"dry-run":true,"id":"==> ==>","text":"naming to display-app"}
# {"dry-run":true,"id":"ansible-docker-test-dc713f1f-container ==> ==>","text":"naming to ansible-docker-test-dc713f1f-image"}
# (The longer form happens since Docker Compose 2.39.0)
continue
if isinstance(resource_id, str) and " " in resource_id:
resource_type_str, resource_id = resource_id.split(" ", 1)
try:
resource_type = ResourceType.from_docker_compose_event(
resource_type_str
)
except KeyError:
if warn_function:
warn_function(
f"Unknown resource type {resource_type_str!r} in line {line!r}. Please report this at "
"https://github.com/ansible-collections/community.docker/issues/new?assignees=&labels=&projects=&template=bug_report.md"
)
resource_type = ResourceType.UNKNOWN
elif text in DOCKER_STATUS_PULL:
resource_type = ResourceType.IMAGE
status, text = text, status
elif (
text in DOCKER_PULL_PROGRESS_DONE
or line_data.get("text") in DOCKER_PULL_PROGRESS_WORKING
):
resource_type = ResourceType.IMAGE_LAYER
status, text = text, status
elif (
status is None
and isinstance(text, str)
and text.startswith("Skipped - ")
):
status, text = text.split(" - ", 1)
elif (
line_data.get("level") in _JSON_LEVEL_TO_STATUS_MAP
and "msg" in line_data
):
status = _JSON_LEVEL_TO_STATUS_MAP[line_data["level"]]
text = line_data["msg"]
if (
status not in DOCKER_STATUS_AND_WARNING
and text in DOCKER_STATUS_AND_WARNING
):
status, text = text, status
event = Event(
resource_type,
resource_id,
status,
text,
)
events.append(event)
return events
def parse_events(stderr, dry_run=False, warn_function=None, nonzero_rc=False):
events = []
error_event = None
stderr_lines = stderr.splitlines()
if stderr_lines and stderr_lines[-1] == b"":
del stderr_lines[-1]
for index, line in enumerate(stderr_lines):
line = to_native(line.strip())
if not line:
continue
warn_missing_dry_run_prefix = False
if dry_run:
if line.startswith(_DRY_RUN_MARKER):
line = line[len(_DRY_RUN_MARKER) :].lstrip()
else:
warn_missing_dry_run_prefix = True
event, parsed = _extract_event(line, warn_function=warn_function)
if event is not None:
events.append(event)
if event.status in DOCKER_STATUS_ERROR:
error_event = event
else:
error_event = None
_warn_missing_dry_run_prefix(
line, warn_missing_dry_run_prefix, warn_function
)
continue
elif parsed:
continue
match = _RE_BUILD_PROGRESS_EVENT.match(line)
if match:
# Ignore this
continue
match = _RE_CONTINUE_EVENT.match(line)
if match:
# Continuing an existing event
index_event = _find_last_event_for(events, match.group("resource_id"))
if index_event is not None:
index, event = index_event
events[index] = _concat_event_msg(event, match.group("msg"))
event, parsed = _extract_logfmt_event(line, warn_function=warn_function)
if event is not None:
events.append(event)
elif parsed:
continue
if error_event is not None:
# Unparsable line that apparently belongs to the previous error event
events[-1] = _concat_event_msg(error_event, line)
continue
if line.startswith("Error "):
# Error message that is independent of an error event
error_event = Event(
ResourceType.UNKNOWN,
"",
"Error",
line,
)
events.append(error_event)
continue
if len(stderr_lines) == 1 or (nonzero_rc and index == len(stderr_lines) - 1):
# **Very likely** an error message that is independent of an error event
error_event = Event(
ResourceType.UNKNOWN,
"",
"Error",
line,
)
events.append(error_event)
continue
_warn_missing_dry_run_prefix(line, warn_missing_dry_run_prefix, warn_function)
_warn_unparsable_line(line, warn_function)
return events
def has_changes(events, ignore_service_pull_events=False, ignore_build_events=False):
for event in events:
if event.status in DOCKER_STATUS_WORKING:
if ignore_service_pull_events and event.status in DOCKER_STATUS_PULL:
continue
if ignore_build_events and event.status in DOCKER_STATUS_BUILD:
continue
return True
if (
event.resource_type == ResourceType.IMAGE_LAYER
and event.status in DOCKER_PULL_PROGRESS_WORKING
):
return True
return False
def extract_actions(events):
actions = []
pull_actions = set()
for event in events:
if (
event.resource_type == ResourceType.IMAGE_LAYER
and event.status in DOCKER_PULL_PROGRESS_WORKING
):
pull_id = (event.resource_id, event.status)
if pull_id not in pull_actions:
pull_actions.add(pull_id)
actions.append(
{
"what": event.resource_type,
"id": event.resource_id,
"status": event.status,
}
)
if (
event.resource_type != ResourceType.IMAGE_LAYER
and event.status in DOCKER_STATUS_WORKING
):
actions.append(
{
"what": event.resource_type,
"id": event.resource_id,
"status": event.status,
}
)
return actions
def emit_warnings(events, warn_function):
for event in events:
# If a message is present, assume it is a warning
if (
event.status is None and event.msg is not None
) or event.status in DOCKER_STATUS_WARNING:
warn_function(
f"Docker compose: {event.resource_type} {event.resource_id}: {event.msg}"
)
def is_failed(events, rc):
if rc:
return True
return False
def update_failed(result, events, args, stdout, stderr, rc, cli):
if not rc:
return False
errors = []
for event in events:
if event.status in DOCKER_STATUS_ERROR:
if event.resource_id is None:
if event.resource_type == "unknown":
msg = (
"General error: "
if event.resource_type == "unknown"
else f"Error when processing {event.resource_type}: "
)
else:
msg = (
f"Error when processing {event.resource_type} {event.resource_id}: "
)
if event.resource_type == "unknown":
msg = f"Error when processing {event.resource_id}: "
if event.resource_id == "":
msg = "General error: "
msg += f"{event.status}" if event.msg is None else f"{event.msg}"
errors.append(msg)
if not errors:
errors.append(f"Return code {rc} is non-zero")
result["failed"] = True
result["msg"] = "\n".join(errors)
result["cmd"] = " ".join(quote(arg) for arg in [cli] + args)
result["stdout"] = to_native(stdout)
result["stderr"] = to_native(stderr)
result["rc"] = rc
return True
def common_compose_argspec():
return dict(
project_src=dict(type="path"),
project_name=dict(type="str"),
files=dict(type="list", elements="path"),
definition=dict(type="dict"),
env_files=dict(type="list", elements="path"),
profiles=dict(type="list", elements="str"),
check_files_existing=dict(type="bool", default=True),
)
def common_compose_argspec_ex():
return dict(
argspec=common_compose_argspec(),
mutually_exclusive=[("definition", "project_src"), ("definition", "files")],
required_one_of=[
("definition", "project_src"),
],
required_by={
"definition": ("project_name",),
},
)
def combine_binary_output(*outputs):
return b"\n".join(out for out in outputs if out)
def combine_text_output(*outputs):
return "\n".join(out for out in outputs if out)
class BaseComposeManager(DockerBaseClass):
def __init__(self, client, min_version=MINIMUM_COMPOSE_VERSION):
super().__init__()
self.client = client
self.check_mode = self.client.check_mode
self.cleanup_dirs = set()
parameters = self.client.module.params
if parameters["definition"] is not None and not HAS_PYYAML:
self.fail(missing_required_lib("PyYAML"), exception=PYYAML_IMPORT_ERROR)
self.project_name = parameters["project_name"]
if parameters["definition"] is not None:
self.project_src = tempfile.mkdtemp(prefix="ansible")
self.cleanup_dirs.add(self.project_src)
compose_file = os.path.join(self.project_src, "compose.yaml")
self.client.module.add_cleanup_file(compose_file)
try:
with open(compose_file, "wb") as f:
yaml.dump(
parameters["definition"],
f,
encoding="utf-8",
Dumper=_SafeDumper,
)
except Exception as exc:
self.fail(f"Error writing to {compose_file} - {exc}")
else:
self.project_src = os.path.abspath(parameters["project_src"])
self.files = parameters["files"]
self.env_files = parameters["env_files"]
self.profiles = parameters["profiles"]
compose_version = self.get_compose_version()
self.compose_version = LooseVersion(compose_version)
if self.compose_version < LooseVersion(min_version):
self.fail(
f"Docker CLI {self.client.get_cli()} has the compose plugin with version {compose_version}; need version {min_version} or later"
)
if not os.path.isdir(self.project_src):
self.fail(f'"{self.project_src}" is not a directory')
self.check_files_existing = parameters["check_files_existing"]
if self.files:
for file in self.files:
path = os.path.join(self.project_src, file)
if not os.path.exists(path):
self.fail(
f'Cannot find Compose file "{file}" relative to project directory "{self.project_src}"'
)
elif self.check_files_existing and all(
not os.path.exists(os.path.join(self.project_src, f))
for f in DOCKER_COMPOSE_FILES
):
filenames = ", ".join(DOCKER_COMPOSE_FILES[:-1])
self.fail(
f'"{self.project_src}" does not contain {filenames}, or {DOCKER_COMPOSE_FILES[-1]}'
)
# Support for JSON output was added in Compose 2.29.0 (https://github.com/docker/compose/releases/tag/v2.29.0);
# more precisely in https://github.com/docker/compose/pull/11478
self.use_json_events = self.compose_version >= LooseVersion("2.29.0")
def get_compose_version(self):
return (
self.get_compose_version_from_cli() or self.get_compose_version_from_api()
)
def get_compose_version_from_cli(self):
rc, version_info, stderr = self.client.call_cli(
"compose", "version", "--format", "json"
)
if rc:
return None
try:
version = json.loads(version_info)["version"]
if version == "dev":
return None
return version.lstrip("v")
except Exception:
return None
def get_compose_version_from_api(self):
compose = self.client.get_client_plugin_info("compose")
if compose is None:
self.fail(
f"Docker CLI {self.client.get_cli()} does not have the compose plugin installed"
)
if compose["Version"] == "dev":
self.fail(
f'Docker CLI {self.client.get_cli()} has a compose plugin installed, but it reports version "dev".'
" Please use a version of the plugin that returns a proper version."
)
return compose["Version"].lstrip("v")
def fail(self, msg, **kwargs):
self.cleanup()
self.client.fail(msg, **kwargs)
def get_base_args(self, plain_progress=False):
args = ["compose", "--ansi", "never"]
if self.use_json_events and not plain_progress:
args.extend(["--progress", "json"])
elif self.compose_version >= LooseVersion("2.19.0"):
# https://github.com/docker/compose/pull/10690
args.extend(["--progress", "plain"])
args.extend(["--project-directory", self.project_src])
if self.project_name:
args.extend(["--project-name", self.project_name])
for file in self.files or []:
args.extend(["--file", file])
for env_file in self.env_files or []:
args.extend(["--env-file", env_file])
for profile in self.profiles or []:
args.extend(["--profile", profile])
return args
def _handle_failed_cli_call(self, args, rc, stdout, stderr):
events = parse_json_events(stderr, warn_function=self.client.warn)
result = {}
self.update_failed(result, events, args, stdout, stderr, rc)
self.client.module.exit_json(**result)
def list_containers_raw(self):
args = self.get_base_args() + ["ps", "--format", "json", "--all"]
if self.compose_version >= LooseVersion("2.23.0"):
# https://github.com/docker/compose/pull/11038
args.append("--no-trunc")
kwargs = dict(cwd=self.project_src, check_rc=not self.use_json_events)
if self.compose_version >= LooseVersion("2.21.0"):
# Breaking change in 2.21.0: https://github.com/docker/compose/pull/10918
rc, containers, stderr = self.client.call_cli_json_stream(*args, **kwargs)
else:
rc, containers, stderr = self.client.call_cli_json(*args, **kwargs)
if self.use_json_events and rc != 0:
self._handle_failed_cli_call(args, rc, containers, stderr)
return containers
def list_containers(self):
result = []
for container in self.list_containers_raw():
labels = {}
if container.get("Labels"):
for part in container["Labels"].split(","):
label_value = part.split("=", 1)
labels[label_value[0]] = (
label_value[1] if len(label_value) > 1 else ""
)
container["Labels"] = labels
container["Names"] = container.get("Names", container["Name"]).split(",")
container["Networks"] = container.get("Networks", "").split(",")
container["Publishers"] = container.get("Publishers") or []
result.append(container)
return result
def list_images(self):
args = self.get_base_args() + ["images", "--format", "json"]
kwargs = dict(cwd=self.project_src, check_rc=not self.use_json_events)
rc, images, stderr = self.client.call_cli_json(*args, **kwargs)
if self.use_json_events and rc != 0:
self._handle_failed_cli_call(args, rc, images, stderr)
if isinstance(images, dict):
# Handle breaking change in Docker Compose 2.37.0; see
# https://github.com/ansible-collections/community.docker/issues/1082
# and https://github.com/docker/compose/issues/12916 for details
images = list(images.values())
return images
def parse_events(self, stderr, dry_run=False, nonzero_rc=False):
if self.use_json_events:
return parse_json_events(stderr, warn_function=self.client.warn)
return parse_events(
stderr,
dry_run=dry_run,
warn_function=self.client.warn,
nonzero_rc=nonzero_rc,
)
def emit_warnings(self, events):
emit_warnings(events, warn_function=self.client.warn)
def update_result(
self,
result,
events,
stdout,
stderr,
ignore_service_pull_events=False,
ignore_build_events=False,
):
result["changed"] = result.get("changed", False) or has_changes(
events,
ignore_service_pull_events=ignore_service_pull_events,
ignore_build_events=ignore_build_events,
)
result["actions"] = result.get("actions", []) + extract_actions(events)
result["stdout"] = combine_text_output(result.get("stdout"), to_native(stdout))
result["stderr"] = combine_text_output(result.get("stderr"), to_native(stderr))
def update_failed(self, result, events, args, stdout, stderr, rc):
return update_failed(
result,
events,
args=args,
stdout=stdout,
stderr=stderr,
rc=rc,
cli=self.client.get_cli(),
)
def cleanup_result(self, result):
if not result.get("failed"):
# Only return stdout and stderr if it is not empty
for res in ("stdout", "stderr"):
if result.get(res) == "":
result.pop(res)
def cleanup(self):
for directory in self.cleanup_dirs:
try:
shutil.rmtree(directory, True)
except Exception:
# should not happen, but simply ignore to be on the safe side
pass
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