community.docker/plugins/module_utils/_module_container/module.py
Felix Fontein dbc7b0ec18
Cleanup with ruff check (#1182)
* Implement improvements suggested by ruff check.

* Add ruff check to CI.
2025-10-28 06:58:15 +01:00

1352 lines
56 KiB
Python

# Copyright (c) 2022 Felix Fontein <felix@fontein.de>
# Copyright 2016 Red Hat | Ansible
# 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 re
import typing as t
from time import sleep
from ansible.module_utils.common.text.converters import to_text
from ansible_collections.community.docker.plugins.module_utils._api.utils.utils import (
parse_repository_tag,
)
from ansible_collections.community.docker.plugins.module_utils._module_container.base import (
Client,
)
from ansible_collections.community.docker.plugins.module_utils._util import (
DifferenceTracker,
DockerBaseClass,
compare_generic,
is_image_name_id,
sanitize_result,
)
if t.TYPE_CHECKING:
from collections.abc import Sequence
from ansible.module_utils.basic import AnsibleModule
from .base import Engine, EngineDriver, Option, OptionGroup
class Container(DockerBaseClass):
def __init__(
self, container: dict[str, t.Any] | None, engine_driver: EngineDriver
) -> None:
super().__init__()
self.raw = container
self.id: str | None = None
self.image: str | None = None
self.image_name: str | None = None
self.container = container
self.engine_driver = engine_driver
if container:
self.id = engine_driver.get_container_id(container)
self.image = engine_driver.get_image_from_container(container)
self.image_name = engine_driver.get_image_name_from_container(container)
self.log(self.container, pretty_print=True)
@property
def exists(self) -> bool:
return bool(self.container)
@property
def removing(self) -> bool:
return (
self.engine_driver.is_container_removing(self.container)
if self.container
else False
)
@property
def running(self) -> bool:
return (
self.engine_driver.is_container_running(self.container)
if self.container
else False
)
@property
def paused(self) -> bool:
return (
self.engine_driver.is_container_paused(self.container)
if self.container
else False
)
class ContainerManager(DockerBaseClass, t.Generic[Client]):
def __init__(
self,
module: AnsibleModule,
engine_driver: EngineDriver,
client: Client,
active_options: list[OptionGroup],
) -> None:
super().__init__()
self.module = module
self.engine_driver = engine_driver
self.client = client
self.options = active_options
self.all_options = self._collect_all_options(active_options)
self.check_mode = self.module.check_mode
self.param_cleanup: bool = self.module.params["cleanup"]
self.param_container_default_behavior: t.Literal[
"compatibility", "no_defaults"
] = self.module.params["container_default_behavior"]
self.param_default_host_ip: str | None = self.module.params["default_host_ip"]
self.param_debug: bool = self.module.params["debug"]
self.param_force_kill: bool = self.module.params["force_kill"]
self.param_image: str | None = self.module.params["image"]
self.param_image_comparison: t.Literal["desired-image", "current-image"] = (
self.module.params["image_comparison"]
)
self.param_image_label_mismatch: t.Literal["ignore", "fail"] = (
self.module.params["image_label_mismatch"]
)
self.param_image_name_mismatch: t.Literal["ignore", "recreate"] = (
self.module.params["image_name_mismatch"]
)
self.param_keep_volumes: bool = self.module.params["keep_volumes"]
self.param_kill_signal: str | None = self.module.params["kill_signal"]
self.param_name: str = self.module.params["name"]
self.param_networks_cli_compatible: bool = self.module.params[
"networks_cli_compatible"
]
self.param_output_logs: bool = self.module.params["output_logs"]
self.param_paused: bool | None = self.module.params["paused"]
param_pull: t.Literal["never", "missing", "always", True, False] = (
self.module.params["pull"]
)
if param_pull is True:
param_pull = "always"
if param_pull is False:
param_pull = "missing"
self.param_pull: t.Literal["never", "missing", "always"] = param_pull
self.param_pull_check_mode_behavior: t.Literal[
"image_not_present", "always"
] = self.module.params["pull_check_mode_behavior"]
self.param_recreate: bool = self.module.params["recreate"]
self.param_removal_wait_timeout: int | float | None = self.module.params[
"removal_wait_timeout"
]
self.param_healthy_wait_timeout: int | float | None = self.module.params[
"healthy_wait_timeout"
]
if (
self.param_healthy_wait_timeout is not None
and self.param_healthy_wait_timeout <= 0
):
self.param_healthy_wait_timeout = None
self.param_restart: bool = self.module.params["restart"]
self.param_state: t.Literal[
"absent", "present", "healthy", "started", "stopped"
] = self.module.params["state"]
self._parse_comparisons()
self._update_params()
self.results = {"changed": False, "actions": []}
self.diff: dict[str, t.Any] = {}
self.diff_tracker = DifferenceTracker()
self.facts: dict[str, t.Any] | None = {}
if self.param_default_host_ip:
valid_ip = False
if re.match(
r"^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$", self.param_default_host_ip
):
valid_ip = True
if re.match(r"^\[[0-9a-fA-F:]+\]$", self.param_default_host_ip):
valid_ip = True
if re.match(r"^[0-9a-fA-F:]+$", self.param_default_host_ip):
self.param_default_host_ip = f"[{self.param_default_host_ip}]"
valid_ip = True
if not valid_ip:
self.fail(
"The value of default_host_ip must be an empty string, an IPv4 address, "
f'or an IPv6 address. Got "{self.param_default_host_ip}" instead.'
)
self.parameters: list[tuple[OptionGroup, dict[str, t.Any]]] | None = None
def _add_action(self, action: dict[str, t.Any]) -> None:
actions: list[dict[str, t.Any]] = self.results["actions"] # type: ignore
actions.append(action)
def _collect_all_options(
self, active_options: list[OptionGroup]
) -> dict[str, Option]:
all_options = {}
for options in active_options:
for option in options.options:
all_options[option.name] = option
return all_options
def _collect_all_module_params(self) -> set[str]:
all_module_options = set()
for option, data in self.module.argument_spec.items():
all_module_options.add(option)
if "aliases" in data:
for alias in data["aliases"]:
all_module_options.add(alias)
return all_module_options
def _parse_comparisons(self) -> None:
# Keep track of all module params and all option aliases
all_module_options = self._collect_all_module_params()
comp_aliases = {}
for option_name, option in self.all_options.items():
if option.not_an_ansible_option:
continue
comp_aliases[option_name] = option_name
for alias in option.ansible_aliases:
comp_aliases[alias] = option_name
# Process comparisons specified by user
comparisons: dict[str, t.Any] | None = self.module.params.get("comparisons")
if comparisons:
# If '*' appears in comparisons, process it first
if "*" in comparisons:
value = comparisons["*"]
if value not in ("strict", "ignore"):
self.fail(
"The wildcard can only be used with comparison modes 'strict' and 'ignore'!"
)
for option in self.all_options.values():
# `networks` is special: only update if
# some value is actually specified
if (
option.name == "networks"
and self.module.params["networks"] is None
):
continue
option.comparison = value
# Now process all other comparisons.
comp_aliases_used: dict[str, str] = {}
for key, value in comparisons.items():
if key == "*":
continue
# Find main key
key_main = comp_aliases.get(key)
if key_main is None:
if key_main in all_module_options:
self.fail(
f"The module option '{key}' cannot be specified in the comparisons dict, "
"since it does not correspond to container's state!"
)
if (
key not in self.all_options
or self.all_options[key].not_an_ansible_option
):
self.fail(f"Unknown module option '{key}' in comparisons dict!")
key_main = key
if key_main in comp_aliases_used:
self.fail(
f"Both '{key}' and '{comp_aliases_used[key_main]}' (aliases of {key_main}) are specified in comparisons dict!"
)
comp_aliases_used[key_main] = key
# Check value and update accordingly
if value in ("strict", "ignore"):
self.all_options[key_main].comparison = value
elif value == "allow_more_present":
if self.all_options[key_main].comparison_type == "value":
self.fail(
f"Option '{key}' is a value and not a set/list/dict, so its comparison cannot be {value}"
)
self.all_options[key_main].comparison = value
else:
self.fail(f"Unknown comparison mode '{value}'!")
# Copy values
for option in self.all_options.values():
if option.copy_comparison_from is not None:
option.comparison = self.all_options[
option.copy_comparison_from
].comparison
def _update_params(self) -> None:
if (
self.param_networks_cli_compatible is True
and self.module.params["networks"]
and self.module.params["network_mode"] is None
):
# Same behavior as Docker CLI: if networks are specified, use the name of the first network as the value for network_mode
# (assuming no explicit value is specified for network_mode)
self.module.params["network_mode"] = self.module.params["networks"][0][
"name"
]
if self.param_container_default_behavior == "compatibility":
old_default_values = {
"auto_remove": False,
"detach": True,
"init": False,
"interactive": False,
"memory": "0",
"paused": False,
"privileged": False,
"read_only": False,
"tty": False,
}
for param, value in old_default_values.items():
if self.module.params[param] is None:
self.module.params[param] = value
def fail(self, *args: str, **kwargs: t.Any) -> t.NoReturn:
# mypy doesn't know that Client has fail() method
raise self.client.fail(*args, **kwargs) # type: ignore
def run(self) -> None:
if self.param_state in ("stopped", "started", "present", "healthy"):
# mypy doesn't get that self.param_state has only one of the above values
self.present(self.param_state) # type: ignore
elif self.param_state == "absent":
self.absent()
if not self.check_mode and not self.param_debug:
self.results.pop("actions")
if self.module._diff or self.param_debug:
self.diff["before"], self.diff["after"] = (
self.diff_tracker.get_before_after()
)
self.results["diff"] = self.diff
if self.facts:
self.results["container"] = self.facts
def wait_for_state(
self,
container_id: str,
*,
complete_states: Sequence[str | None] | None = None,
wait_states: Sequence[str | None] | None = None,
accept_removal: bool = False,
max_wait: int | float | None = None,
health_state: bool = False,
) -> dict[str, t.Any] | None:
delay = 1.0
total_wait = 0.0
while True:
# Inspect container
result = self.engine_driver.inspect_container_by_id(
self.client, container_id
)
if result is None:
if accept_removal:
return result
msg = f'Encontered vanished container while waiting for container "{container_id}"'
self.fail(msg)
# Check container state
state_info = result.get("State") or {}
if health_state:
state_info = state_info.get("Health") or {}
state = state_info.get("Status")
if complete_states is not None and state in complete_states:
return result
if wait_states is not None and state not in wait_states:
msg = f'Encontered unexpected state "{state}" while waiting for container "{container_id}"'
self.fail(msg, container=result)
# Wait
if max_wait is not None:
if total_wait > max_wait or delay < 1e-4:
msg = f'Timeout of {max_wait} seconds exceeded while waiting for container "{container_id}"'
self.fail(msg, container=result)
if total_wait + delay > max_wait:
delay = max_wait - total_wait
sleep(delay)
total_wait += delay
# Exponential backoff, but never wait longer than 10 seconds
# (1.1**24 < 10, 1.1**25 > 10, so it will take 25 iterations
# until the maximal 10 seconds delay is reached. By then, the
# code will have slept for ~1.5 minutes.)
delay = min(delay * 1.1, 10)
def _collect_params(
self, active_options: list[OptionGroup]
) -> list[tuple[OptionGroup, dict[str, t.Any]]]:
parameters = []
for options in active_options:
values = {}
engine = options.get_engine(self.engine_driver.name)
for option in options.all_options:
if (
not option.not_an_ansible_option
and self.module.params[option.name] is not None
):
values[option.name] = self.module.params[option.name]
values = options.preprocess(self.module, values)
engine.preprocess_value(
self.module,
self.client,
self.engine_driver.get_api_version(self.client),
options.options,
values,
)
parameters.append((options, values))
return parameters
def _needs_container_image(self) -> bool:
assert self.parameters is not None
for options, values in self.parameters:
engine = options.get_engine(self.engine_driver.name)
if engine.needs_container_image(values):
return True
return False
def _needs_host_info(self) -> bool:
assert self.parameters is not None
for options, values in self.parameters:
engine = options.get_engine(self.engine_driver.name)
if engine.needs_host_info(values):
return True
return False
def present(
self, state: t.Literal["stopped", "started", "present", "healthy"]
) -> None:
self.parameters = self._collect_params(self.options)
container = self._get_container(self.param_name)
was_running = container.running
was_paused = container.paused
container_created = False
# If the image parameter was passed then we need to deal with the image
# version comparison. Otherwise we handle this depending on whether
# the container already runs or not; in the former case, in case the
# container needs to be restarted, we use the existing container's
# image ID.
image, container_image, comparison_image = self._get_image(
container, needs_container_image=self._needs_container_image()
)
self.log(image, pretty_print=True)
host_info = (
self.engine_driver.get_host_info(self.client)
if self._needs_host_info()
else None
)
if not container.exists or container.removing:
# New container
if container.removing:
self.log("Found container in removal phase")
else:
self.log("No container found")
if not self.param_image:
self.fail("Cannot create container when image is not specified!")
self.diff_tracker.add("exists", parameter=True, active=False)
if container.removing and not self.check_mode:
# Wait for container to be removed before trying to create it
assert container.id is not None
self.wait_for_state(
container.id,
wait_states=["removing"],
accept_removal=True,
max_wait=self.param_removal_wait_timeout,
)
new_container = self.container_create(self.param_image)
if new_container:
container = new_container
container_created = True
else:
# Existing container
assert container.id is not None
different, differences = self.has_different_configuration(
container, container_image, comparison_image, host_info
)
image_different = False
if self.all_options["image"].comparison == "strict":
image_different = self._image_is_different(image, container)
if (
self.param_image_name_mismatch == "recreate"
and self.param_image is not None
and self.param_image != container.image_name
):
different = True
self.diff_tracker.add(
"image_name",
parameter=self.param_image,
active=container.image_name,
)
if image_different or different or self.param_recreate:
self.diff_tracker.merge(differences)
self.diff["differences"] = (
differences.get_legacy_docker_container_diffs()
)
if image_different:
self.diff["image_different"] = True
self.log("differences")
self.log(
differences.get_legacy_docker_container_diffs(), pretty_print=True
)
image_to_use = self.param_image
if not image_to_use and container and container.image:
image_to_use = container.image
if not image_to_use:
self.fail(
"Cannot recreate container when image is not specified or cannot be extracted from current container!"
)
if container.running:
self.container_stop(container.id)
self.container_remove(container.id)
if not self.check_mode:
self.wait_for_state(
container.id,
wait_states=["removing"],
accept_removal=True,
max_wait=self.param_removal_wait_timeout,
)
new_container = self.container_create(image_to_use)
if new_container:
container = new_container
container_created = True
comparison_image = image
if container and container.exists:
container = self.update_limits(
container, container_image, comparison_image, host_info
)
container = self.update_networks(container, container_created)
if state in ("started", "healthy") and not container.running:
self.diff_tracker.add("running", parameter=True, active=was_running)
assert container.id is not None
container = self.container_start(container.id)
elif state in ("started", "healthy") and self.param_restart:
self.diff_tracker.add("running", parameter=True, active=was_running)
self.diff_tracker.add("restarted", parameter=True, active=False)
assert container.id is not None
container = self.container_restart(container.id)
elif state == "stopped" and container.running:
self.diff_tracker.add("running", parameter=False, active=was_running)
assert container.id is not None
self.container_stop(container.id)
container = self._get_container(container.id)
if (
state in ("started", "healthy")
and self.param_paused is not None
and container.paused != self.param_paused
):
self.diff_tracker.add(
"paused", parameter=self.param_paused, active=was_paused
)
if not self.check_mode:
assert container.id is not None
try:
if self.param_paused:
self.engine_driver.pause_container(
self.client, container.id
)
else:
self.engine_driver.unpause_container(
self.client, container.id
)
except Exception as exc: # pylint: disable=broad-exception-caught
self.fail(
f"Error {'pausing' if self.param_paused else 'unpausing'} container {container.id}: {exc}"
)
container = self._get_container(container.id)
self.results["changed"] = True
self._add_action({"set_paused": self.param_paused})
self.facts = container.raw
if state == "healthy" and not self.check_mode:
# `None` means that no health check enabled; simply treat this as 'healthy'
assert container.id is not None
inspect_result = self.wait_for_state(
container.id,
wait_states=["starting", "unhealthy"],
complete_states=["healthy", None],
max_wait=self.param_healthy_wait_timeout,
health_state=True,
)
if inspect_result:
# Return the latest inspection results retrieved
self.facts = inspect_result
def absent(self) -> None:
container = self._get_container(self.param_name)
if container.exists:
assert container.id is not None
if container.running:
self.diff_tracker.add("running", parameter=False, active=True)
self.container_stop(container.id)
self.diff_tracker.add("exists", parameter=False, active=True)
self.container_remove(container.id)
def _output_logs(self, msg: str | bytes) -> None:
self.module.log(msg=msg)
def _get_container(self, container: str) -> Container:
"""
Expects container ID or Name. Returns a container object
"""
container_data = self.engine_driver.inspect_container_by_name(
self.client, container
)
return Container(container_data, self.engine_driver)
def _get_container_image(
self, container: Container, fallback: dict[str, t.Any] | None = None
) -> dict[str, t.Any] | None:
if not container.exists or container.removing:
return fallback
image = container.image
assert image is not None
if is_image_name_id(image):
image_data = self.engine_driver.inspect_image_by_id(self.client, image)
else:
repository, tag = parse_repository_tag(image)
if not tag:
tag = "latest"
image_data = self.engine_driver.inspect_image_by_name(
self.client, repository, tag
)
return image_data or fallback
def _get_image(
self, container: Container, needs_container_image: bool = False
) -> tuple[
dict[str, t.Any] | None, dict[str, t.Any] | None, dict[str, t.Any] | None
]:
image_parameter = self.param_image
get_container_image = needs_container_image or not image_parameter
container_image = (
self._get_container_image(container) if get_container_image else None
)
if container_image:
self.log("current image")
self.log(container_image, pretty_print=True)
if not image_parameter:
self.log("No image specified")
return None, container_image, container_image
if is_image_name_id(image_parameter):
image = self.engine_driver.inspect_image_by_id(self.client, image_parameter)
if image is None:
self.fail(f"Cannot find image with ID {image_parameter}")
else:
repository, tag = parse_repository_tag(image_parameter)
if not tag:
tag = "latest"
image = self.engine_driver.inspect_image_by_name(
self.client, repository, tag
)
if not image and self.param_pull == "never":
self.fail(
f"Cannot find image with name {repository}:{tag}, and pull=never"
)
if not image or self.param_pull == "always":
if not self.check_mode:
self.log("Pull the image.")
image, already_to_latest = self.engine_driver.pull_image(
self.client,
repository,
tag,
image_platform=self.module.params["platform"],
)
if already_to_latest:
self.results["changed"] = False
self._add_action(
{"pulled_image": f"{repository}:{tag}", "changed": False}
)
else:
self.results["changed"] = True
self._add_action(
{"pulled_image": f"{repository}:{tag}", "changed": True}
)
elif not image or self.param_pull_check_mode_behavior == "always":
# If the image is not there, or pull_check_mode_behavior == 'always', claim we'll
# pull. (Implicitly: if the image is there, claim it already was latest unless
# pull_check_mode_behavior == 'always'.)
self.results["changed"] = True
action: dict[str, t.Any] = {"pulled_image": f"{repository}:{tag}"}
if not image:
action["changed"] = True
self._add_action(action)
self.log("image")
self.log(image, pretty_print=True)
comparison_image = image
if self.param_image_comparison == "current-image":
if not get_container_image:
container_image = self._get_container_image(container)
comparison_image = container_image
return image, container_image, comparison_image
def _image_is_different(
self, image: dict[str, t.Any] | None, container: Container
) -> bool:
if (
image
and image.get("Id")
and container
and container.image
and image.get("Id") != container.image
):
self.diff_tracker.add(
"image", parameter=image.get("Id"), active=container.image
)
return True
return False
def _compose_create_parameters(self, image: str) -> dict[str, t.Any]:
params: dict[str, t.Any] = {}
assert self.parameters is not None
for options, values in self.parameters:
engine = options.get_engine(self.engine_driver.name)
if engine.can_set_value(self.engine_driver.get_api_version(self.client)):
engine.set_value(
self.module,
params,
self.engine_driver.get_api_version(self.client),
options.options,
values,
)
params["Image"] = image
return params
def _record_differences(
self,
differences: DifferenceTracker,
options: OptionGroup,
param_values: dict[str, t.Any],
engine: Engine,
container: Container,
container_image: dict[str, t.Any] | None,
image: dict[str, t.Any] | None,
host_info: dict[str, t.Any] | None,
) -> None:
assert container.raw is not None
container_values = engine.get_value(
self.module,
container.raw,
self.engine_driver.get_api_version(self.client),
options.options,
container_image,
host_info,
)
expected_values = engine.get_expected_values(
self.module,
self.client,
self.engine_driver.get_api_version(self.client),
options.options,
image,
param_values.copy(),
host_info,
)
for option in options.options:
if option.name in expected_values:
param_value = expected_values[option.name]
container_value = container_values.get(option.name)
match = engine.compare_value(option, param_value, container_value)
if not match:
# No match.
if engine.ignore_mismatching_result(
self.module,
self.client,
self.engine_driver.get_api_version(self.client),
option,
image,
container_value,
param_value,
host_info,
):
# Ignore the result
continue
# Record the differences
p = param_value
c = container_value
if option.comparison_type == "set":
# Since the order does not matter, sort so that the diff output is better.
if p is not None:
p = sorted(p)
if c is not None:
c = sorted(c)
elif option.comparison_type == "set(dict)":
# Since the order does not matter, sort so that the diff output is better.
if option.name == "expected_mounts":
# For selected values, use one entry as key
def sort_key_fn(x: dict[str, t.Any]) -> t.Any:
return x["target"]
else:
# We sort the list of dictionaries by using the sorted items of a dict as its key.
def sort_key_fn(x: dict[str, t.Any]) -> t.Any:
return sorted(
(a, to_text(b, errors="surrogate_or_strict"))
for a, b in x.items()
)
if p is not None:
p = sorted(p, key=sort_key_fn)
if c is not None:
c = sorted(c, key=sort_key_fn)
differences.add(option.name, parameter=p, active=c)
def has_different_configuration(
self,
container: Container,
container_image: dict[str, t.Any] | None,
image: dict[str, t.Any] | None,
host_info: dict[str, t.Any] | None,
) -> tuple[bool, DifferenceTracker]:
differences = DifferenceTracker()
update_differences = DifferenceTracker()
assert self.parameters is not None
for options, param_values in self.parameters:
engine = options.get_engine(self.engine_driver.name)
if engine.can_update_value(self.engine_driver.get_api_version(self.client)):
self._record_differences(
update_differences,
options,
param_values,
engine,
container,
container_image,
image,
host_info,
)
else:
self._record_differences(
differences,
options,
param_values,
engine,
container,
container_image,
image,
host_info,
)
has_differences = not differences.empty
# Only consider differences of properties that can be updated when there are also other differences
if has_differences:
differences.merge(update_differences)
return has_differences, differences
def has_different_resource_limits(
self,
container: Container,
container_image: dict[str, t.Any] | None,
image: dict[str, t.Any] | None,
host_info: dict[str, t.Any] | None,
) -> tuple[bool, DifferenceTracker]:
differences = DifferenceTracker()
assert self.parameters is not None
for options, param_values in self.parameters:
engine = options.get_engine(self.engine_driver.name)
if not engine.can_update_value(
self.engine_driver.get_api_version(self.client)
):
continue
self._record_differences(
differences,
options,
param_values,
engine,
container,
container_image,
image,
host_info,
)
has_differences = not differences.empty
return has_differences, differences
def _compose_update_parameters(self) -> dict[str, t.Any]:
result: dict[str, t.Any] = {}
assert self.parameters is not None
for options, values in self.parameters:
engine = options.get_engine(self.engine_driver.name)
if not engine.can_update_value(
self.engine_driver.get_api_version(self.client)
):
continue
engine.update_value(
self.module,
result,
self.engine_driver.get_api_version(self.client),
options.options,
values,
)
return result
def update_limits(
self,
container: Container,
container_image: dict[str, t.Any] | None,
image: dict[str, t.Any] | None,
host_info: dict[str, t.Any] | None,
) -> Container:
limits_differ, different_limits = self.has_different_resource_limits(
container, container_image, image, host_info
)
if limits_differ:
self.log("limit differences:")
self.log(
different_limits.get_legacy_docker_container_diffs(), pretty_print=True
)
self.diff_tracker.merge(different_limits)
if limits_differ and not self.check_mode:
assert container.id is not None
self.container_update(container.id, self._compose_update_parameters())
return self._get_container(container.id)
return container
def has_network_differences(
self, container: Container
) -> tuple[bool, list[dict[str, t.Any]]]:
"""
Check if the container is connected to requested networks with expected options: links, aliases, ipv4, ipv6
"""
different = False
differences: list[dict[str, t.Any]] = []
if not self.module.params["networks"]:
return different, differences
assert container.container is not None
if not container.container.get("NetworkSettings"):
self.fail(
"has_missing_networks: Error parsing container properties. NetworkSettings missing."
)
connected_networks = container.container["NetworkSettings"]["Networks"]
for network in self.module.params["networks"]:
network_info = connected_networks.get(network["name"])
if network_info is None:
different = True
differences.append({"parameter": network, "container": None})
else:
diff = False
network_info_ipam = network_info.get("IPAMConfig") or {}
if network.get("ipv4_address") and network[
"ipv4_address"
] != network_info_ipam.get("IPv4Address"):
diff = True
if network.get("ipv6_address") and network[
"ipv6_address"
] != network_info_ipam.get("IPv6Address"):
diff = True
if network.get("aliases") and not compare_generic(
network["aliases"],
network_info.get("Aliases"),
"allow_more_present",
"set",
):
diff = True
if network.get("links"):
expected_links = []
for link, alias in network["links"]:
expected_links.append(f"{link}:{alias}")
if not compare_generic(
expected_links,
network_info.get("Links"),
"allow_more_present",
"set",
):
diff = True
if network.get("mac_address") and network[
"mac_address"
] != network_info.get("MacAddress"):
diff = True
if diff:
different = True
differences.append(
{
"parameter": network,
"container": {
"name": network["name"],
"ipv4_address": network_info_ipam.get("IPv4Address"),
"ipv6_address": network_info_ipam.get("IPv6Address"),
"aliases": network_info.get("Aliases"),
"links": network_info.get("Links"),
"mac_address": network_info.get("MacAddress"),
},
}
)
return different, differences
def has_extra_networks(
self, container: Container
) -> tuple[bool, list[dict[str, t.Any]]]:
"""
Check if the container is connected to non-requested networks
"""
extra_networks: list[dict[str, t.Any]] = []
extra = False
assert container.container is not None
if not container.container.get("NetworkSettings"):
self.fail(
"has_extra_networks: Error parsing container properties. NetworkSettings missing."
)
connected_networks = container.container["NetworkSettings"].get("Networks")
if connected_networks:
for network, network_config in connected_networks.items():
keep = False
if self.module.params["networks"]:
for expected_network in self.module.params["networks"]:
if expected_network["name"] == network:
keep = True
if not keep:
extra = True
extra_networks.append(
{"name": network, "id": network_config["NetworkID"]}
)
return extra, extra_networks
def update_networks(
self, container: Container, container_created: bool
) -> Container:
updated_container = container
if self.all_options["networks"].comparison != "ignore" or container_created:
has_network_differences, network_differences = self.has_network_differences(
container
)
if has_network_differences:
if self.diff.get("differences"):
self.diff["differences"].append(
{"network_differences": network_differences}
)
else:
self.diff["differences"] = [
{"network_differences": network_differences}
]
for netdiff in network_differences:
self.diff_tracker.add(
f"network.{netdiff['parameter']['name']}",
parameter=netdiff["parameter"],
active=netdiff["container"],
)
self.results["changed"] = True
updated_container = self._add_networks(container, network_differences)
purge_networks = (
self.all_options["networks"].comparison == "strict"
and self.module.params["networks"] is not None
)
if purge_networks:
has_extra_networks, extra_networks = self.has_extra_networks(container)
if has_extra_networks:
if self.diff.get("differences"):
self.diff["differences"].append({"purge_networks": extra_networks})
else:
self.diff["differences"] = [{"purge_networks": extra_networks}]
for extra_network in extra_networks:
self.diff_tracker.add(
f"network.{extra_network['name']}", active=extra_network
)
self.results["changed"] = True
updated_container = self._purge_networks(container, extra_networks)
return updated_container
def _add_networks(
self, container: Container, differences: list[dict[str, t.Any]]
) -> Container:
assert container.id is not None
for diff in differences:
# remove the container from the network, if connected
if diff.get("container"):
self._add_action({"removed_from_network": diff["parameter"]["name"]})
if not self.check_mode:
try:
self.engine_driver.disconnect_container_from_network(
self.client, container.id, diff["parameter"]["id"]
)
except Exception as exc: # pylint: disable=broad-exception-caught
self.fail(
f"Error disconnecting container from network {diff['parameter']['name']} - {exc}"
)
# connect to the network
self._add_action(
{
"added_to_network": diff["parameter"]["name"],
"network_parameters": diff["parameter"],
}
)
if not self.check_mode:
params = {
key: value
for key, value in diff["parameter"].items()
if key not in ("id", "name")
}
try:
self.log(
f"Connecting container to network {diff['parameter']['id']}"
)
self.log(params, pretty_print=True)
self.engine_driver.connect_container_to_network(
self.client, container.id, diff["parameter"]["id"], params
)
except Exception as exc: # pylint: disable=broad-exception-caught
self.fail(
f"Error connecting container to network {diff['parameter']['name']} - {exc}"
)
return self._get_container(container.id)
def _purge_networks(
self, container: Container, networks: list[dict[str, t.Any]]
) -> Container:
assert container.id is not None
for network in networks:
self._add_action({"removed_from_network": network["name"]})
if not self.check_mode:
try:
self.engine_driver.disconnect_container_from_network(
self.client, container.id, network["name"]
)
except Exception as exc: # pylint: disable=broad-exception-caught
self.fail(
f"Error disconnecting container from network {network['name']} - {exc}"
)
return self._get_container(container.id)
def container_create(self, image: str) -> Container | None:
create_parameters = self._compose_create_parameters(image)
self.log("create container")
self.log(f"image: {image} parameters:")
self.log(create_parameters, pretty_print=True)
networks = {}
if self.param_networks_cli_compatible and self.module.params["networks"]:
network_list = self.module.params["networks"]
if not self.engine_driver.create_container_supports_more_than_one_network(
self.client
):
network_list = network_list[:1]
for network in network_list:
networks[network["name"]] = {
key: value
for key, value in network.items()
if key not in ("name", "id")
}
self._add_action(
{
"created": "Created container",
"create_parameters": create_parameters,
"networks": networks,
}
)
self.results["changed"] = True
if not self.check_mode:
try:
container_id = self.engine_driver.create_container(
self.client, self.param_name, create_parameters, networks=networks
)
except Exception as exc: # pylint: disable=broad-exception-caught
self.fail(f"Error creating container: {exc}")
return self._get_container(container_id)
return None
def container_start(self, container_id: str) -> Container:
self.log(f"start container {container_id}")
self._add_action({"started": container_id})
self.results["changed"] = True
if not self.check_mode:
try:
self.engine_driver.start_container(self.client, container_id)
except Exception as exc: # pylint: disable=broad-exception-caught
self.fail(f"Error starting container {container_id}: {exc}")
if self.module.params["detach"] is False:
status = self.engine_driver.wait_for_container(
self.client, container_id
)
# mypy doesn't know that Client has fail_results property
self.client.fail_results["status"] = status # type: ignore
self.results["status"] = status
output: str | bytes
if self.module.params["auto_remove"]:
output = "Cannot retrieve result as auto_remove is enabled"
if self.param_output_logs:
self.module.warn(
"Cannot output_logs if auto_remove is enabled!"
)
else:
output, real_output = self.engine_driver.get_container_output(
self.client, container_id
)
if real_output and self.param_output_logs:
self._output_logs(msg=output)
if self.param_cleanup:
self.container_remove(container_id, force=True)
insp = self._get_container(container_id)
if insp.raw:
insp.raw["Output"] = output
else:
insp.raw = {"Output": output}
if status != 0:
# Set `failed` to True and return output as msg
self.results["failed"] = True
self.results["msg"] = output
return insp
return self._get_container(container_id)
def container_remove(
self, container_id: str, link: bool = False, force: bool = False
) -> None:
volume_state = not self.param_keep_volumes
self.log(
f"remove container container:{container_id} v:{volume_state} link:{link} force{force}"
)
self._add_action(
{
"removed": container_id,
"volume_state": volume_state,
"link": link,
"force": force,
}
)
self.results["changed"] = True
if not self.check_mode:
try:
self.engine_driver.remove_container(
self.client,
container_id,
remove_volumes=volume_state,
link=link,
force=force,
)
except Exception as exc: # pylint: disable=broad-exception-caught
self.fail(f"Error removing container {container_id}: {exc}")
def container_update(
self, container_id: str, update_parameters: dict[str, t.Any]
) -> Container:
if update_parameters:
self.log(f"update container {container_id}")
self.log(update_parameters, pretty_print=True)
self._add_action(
{"updated": container_id, "update_parameters": update_parameters}
)
self.results["changed"] = True
if not self.check_mode:
try:
self.engine_driver.update_container(
self.client, container_id, update_parameters
)
except Exception as exc: # pylint: disable=broad-exception-caught
self.fail(f"Error updating container {container_id}: {exc}")
return self._get_container(container_id)
def container_kill(self, container_id: str) -> None:
self._add_action({"killed": container_id, "signal": self.param_kill_signal})
self.results["changed"] = True
if not self.check_mode:
try:
self.engine_driver.kill_container(
self.client, container_id, kill_signal=self.param_kill_signal
)
except Exception as exc: # pylint: disable=broad-exception-caught
self.fail(f"Error killing container {container_id}: {exc}")
def container_restart(self, container_id: str) -> Container:
self._add_action(
{"restarted": container_id, "timeout": self.module.params["stop_timeout"]}
)
self.results["changed"] = True
if not self.check_mode:
try:
self.engine_driver.restart_container(
self.client, container_id, self.module.params["stop_timeout"] or 10
)
except Exception as exc: # pylint: disable=broad-exception-caught
self.fail(f"Error restarting container {container_id}: {exc}")
return self._get_container(container_id)
def container_stop(self, container_id: str) -> None:
if self.param_force_kill:
self.container_kill(container_id)
return
self._add_action(
{"stopped": container_id, "timeout": self.module.params["stop_timeout"]}
)
self.results["changed"] = True
if not self.check_mode:
try:
self.engine_driver.stop_container(
self.client, container_id, self.module.params["stop_timeout"]
)
except Exception as exc: # pylint: disable=broad-exception-caught
self.fail(f"Error stopping container {container_id}: {exc}")
def run_module(engine_driver: EngineDriver) -> None:
module, active_options, client = engine_driver.setup(
argument_spec={
"cleanup": {"type": "bool", "default": False},
"comparisons": {"type": "dict"},
"container_default_behavior": {
"type": "str",
"default": "no_defaults",
"choices": ["compatibility", "no_defaults"],
},
"command_handling": {
"type": "str",
"choices": ["compatibility", "correct"],
"default": "correct",
},
"default_host_ip": {"type": "str"},
"force_kill": {"type": "bool", "default": False, "aliases": ["forcekill"]},
"image": {"type": "str"},
"image_comparison": {
"type": "str",
"choices": ["desired-image", "current-image"],
"default": "desired-image",
},
"image_label_mismatch": {
"type": "str",
"choices": ["ignore", "fail"],
"default": "ignore",
},
"image_name_mismatch": {
"type": "str",
"choices": ["ignore", "recreate"],
"default": "recreate",
},
"keep_volumes": {"type": "bool", "default": True},
"kill_signal": {"type": "str"},
"name": {"type": "str", "required": True},
"networks_cli_compatible": {"type": "bool", "default": True},
"output_logs": {"type": "bool", "default": False},
"paused": {"type": "bool"},
"pull": {
"type": "raw",
"choices": ["never", "missing", "always", True, False],
"default": "missing",
},
"pull_check_mode_behavior": {
"type": "str",
"choices": ["image_not_present", "always"],
"default": "image_not_present",
},
"recreate": {"type": "bool", "default": False},
"removal_wait_timeout": {"type": "float"},
"restart": {"type": "bool", "default": False},
"state": {
"type": "str",
"default": "started",
"choices": ["absent", "present", "healthy", "started", "stopped"],
},
"healthy_wait_timeout": {"type": "float", "default": 300},
},
required_if=[
("state", "present", ["image"]),
],
)
def execute() -> t.NoReturn:
cm = ContainerManager(module, engine_driver, client, active_options)
cm.run()
module.exit_json(**sanitize_result(cm.results))
engine_driver.run(execute, client)