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be accessed through the :py:attr:`attrs` attribute. Note that local
attributes are cached; users may call :py:meth:`reload` to
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The name of the container.
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The image of the container.
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The labels of a container as dictionary.
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The status of the container. For example, ``running``, or ``exited``.
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The ports that the container exposes as a dictionary.
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Attach to this container.
:py:meth:`logs` is a wrapper around this method, which you can
use instead if you want to fetch/stream container output without first
retrieving the entire backlog.
Args:
stdout (bool): Include stdout.
stderr (bool): Include stderr.
stream (bool): Return container output progressively as an iterator
of strings, rather than a single string.
logs (bool): Include the container's previous output.
Returns:
By default, the container's output as a single string.
If ``stream=True``, an iterator of output strings.
Raises:
:py:class:`docker.errors.APIError`
If the server returns an error.
)r �api�attach�id�r �kwargsr r r r2 H s zContainer.attachc K r0 )a�
Like :py:meth:`attach`, but returns the underlying socket-like object
for the HTTP request.
Args:
params (dict): Dictionary of request parameters (e.g. ``stdout``,
``stderr``, ``stream``).
ws (bool): Use websockets instead of raw HTTP.
Raises:
:py:class:`docker.errors.APIError`
If the server returns an error.
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attach_socketr3 r4 r r r r6 b � zContainer.attach_socketNc K s0 | j jj| jf||d�|��}| j j�|d �S )a�
Commit a container to an image. Similar to the ``docker commit``
command.
Args:
repository (str): The repository to push the image to
tag (str): The tag to push
message (str): A commit message
author (str): The name of the author
changes (str): Dockerfile instructions to apply while committing
conf (dict): The configuration for the container. See the
`Engine API documentation
<https://docs.docker.com/reference/api/docker_remote_api/>`_
for full details.
Raises:
:py:class:`docker.errors.APIError`
If the server returns an error.
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repository�tag�Id)r r1 �commitr3 r r )r r8 r9 r5 �respr r r r; r s �zContainer.commitc C � | j j�| j�S )z�
Inspect changes on a container's filesystem.
Returns:
(str)
Raises:
:py:class:`docker.errors.APIError`
If the server returns an error.
)r r1 �diffr3 r r r r r> � s zContainer.diffTF� c C sp | j jj| j|||||||| | d�
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Run a command inside this container. Similar to
``docker exec``.
Args:
cmd (str or list): Command to be executed
stdout (bool): Attach to stdout. Default: ``True``
stderr (bool): Attach to stderr. Default: ``True``
stdin (bool): Attach to stdin. Default: ``False``
tty (bool): Allocate a pseudo-TTY. Default: False
privileged (bool): Run as privileged.
user (str): User to execute command as. Default: root
detach (bool): If true, detach from the exec command.
Default: False
stream (bool): Stream response data. Default: False
socket (bool): Return the connection socket to allow custom
read/write operations. Default: False
environment (dict or list): A dictionary or a list of strings in
the following format ``["PASSWORD=xxx"]`` or
``{"PASSWORD": "xxx"}``.
workdir (str): Path to working directory for this exec session
demux (bool): Return stdout and stderr separately
Returns:
(ExecResult): A tuple of (exit_code, output)
exit_code: (int):
Exit code for the executed command or ``None`` if
either ``stream`` or ``socket`` is ``True``.
output: (generator, bytes, or tuple):
If ``stream=True``, a generator yielding response chunks.
If ``socket=True``, a socket object for the connection.
If ``demux=True``, a tuple of two bytes: stdout and stderr.
A bytestring containing response data otherwise.
Raises:
:py:class:`docker.errors.APIError`
If the server returns an error.
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privileged�user� environment�workdirr: )�detachrC �stream�socket�demuxN�ExitCode)r r1 � exec_creater3 �
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Export the contents of the container's filesystem as a tar archive.
Args:
chunk_size (int): The number of bytes returned by each iteration
of the generator. If ``None``, data will be streamed as it is
received. Default: 2 MB
Returns:
(str): The filesystem tar archive
Raises:
:py:class:`docker.errors.APIError`
If the server returns an error.
)r r1 �exportr3 )r �
chunk_sizer r r rU � s zContainer.exportc C s | j j�| j|||�S )a�
Retrieve a file or folder from the container in the form of a tar
archive.
Args:
path (str): Path to the file or folder to retrieve
chunk_size (int): The number of bytes returned by each iteration
of the generator. If ``None``, data will be streamed as it is
received. Default: 2 MB
encode_stream (bool): Determines if data should be encoded
(gzip-compressed) during transmission. Default: False
Returns:
(tuple): First element is a raw tar data stream. Second element is
a dict containing ``stat`` information on the specified ``path``.
Raises:
:py:class:`docker.errors.APIError`
If the server returns an error.
Example:
>>> f = open('./sh_bin.tar', 'wb')
>>> bits, stat = container.get_archive('/bin/sh')
>>> print(stat)
{'name': 'sh', 'size': 1075464, 'mode': 493,
'mtime': '2018-10-01T15:37:48-07:00', 'linkTarget': ''}
>>> for chunk in bits:
... f.write(chunk)
>>> f.close()
)r r1 � get_archiver3 )r �pathrV �
encode_streamr r r rW � s !�zContainer.get_archivec C s | j jj| j|d�S )a
Kill or send a signal to the container.
Args:
signal (str or int): The signal to send. Defaults to ``SIGKILL``
Raises:
:py:class:`docker.errors.APIError`
If the server returns an error.
)�signal)r r1 �killr3 )r rZ r r r r[ � zContainer.killc K r0 )a�
Get logs from this container. Similar to the ``docker logs`` command.
The ``stream`` parameter makes the ``logs`` function return a blocking
generator you can iterate over to retrieve log output as it happens.
Args:
stdout (bool): Get ``STDOUT``. Default ``True``
stderr (bool): Get ``STDERR``. Default ``True``
stream (bool): Stream the response. Default ``False``
timestamps (bool): Show timestamps. Default ``False``
tail (str or int): Output specified number of lines at the end of
logs. Either an integer of number of lines or the string
``all``. Default ``all``
since (datetime or int): Show logs since a given datetime or
integer epoch (in seconds)
follow (bool): Follow log output. Default ``False``
until (datetime or int): Show logs that occurred before the given
datetime or integer epoch (in seconds)
Returns:
(generator or str): Logs from the container.
Raises:
:py:class:`docker.errors.APIError`
If the server returns an error.
)r r1 �logsr3 r4 r r r r] s zContainer.logsc C r= )z�
Pauses all processes within this container.
Raises:
:py:class:`docker.errors.APIError`
If the server returns an error.
)r r1 �pauser3 r r r r r^ 4 � zContainer.pausec C � | j j�| j||�S )a�
Insert a file or folder in this container using a tar archive as
source.
Args:
path (str): Path inside the container where the file(s) will be
extracted. Must exist.
data (bytes): tar data to be extracted
Returns:
(bool): True if the call succeeds.
Raises:
:py:class:`~docker.errors.APIError` If an error occurs.
)r r1 � put_archiver3 )r rX �datar r r ra > s zContainer.put_archivec K r0 )a�
Remove this container. Similar to the ``docker rm`` command.
Args:
v (bool): Remove the volumes associated with the container
link (bool): Remove the specified link and not the underlying
container
force (bool): Force the removal of a running container (uses
``SIGKILL``)
Raises:
:py:class:`docker.errors.APIError`
If the server returns an error.
)r r1 �remove_containerr3 r4 r r r �removeP s zContainer.removec C rT )a
Rename this container. Similar to the ``docker rename`` command.
Args:
name (str): New name for the container
Raises:
:py:class:`docker.errors.APIError`
If the server returns an error.
)r r1 �renamer3 )r r r r r re a s zContainer.renamec C r` )a
Resize the tty session.
Args:
height (int): Height of tty session
width (int): Width of tty session
Raises:
:py:class:`docker.errors.APIError`
If the server returns an error.
)r r1 �resizer3 )r �height�widthr r r rf n r\ zContainer.resizec K r0 )a�
Restart this container. Similar to the ``docker restart`` command.
Args:
timeout (int): Number of seconds to try to stop for before killing
the container. Once killed it will then be restarted. Default
is 10 seconds.
Raises:
:py:class:`docker.errors.APIError`
If the server returns an error.
)r r1 �restartr3 r4 r r r ri | s
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Start this container. Similar to the ``docker start`` command, but
doesn't support attach options.
Raises:
:py:class:`docker.errors.APIError`
If the server returns an error.
)r r1 �startr3 r4 r r r rj � s zContainer.startc K r0 )a#
Stream statistics for this container. Similar to the
``docker stats`` command.
Args:
decode (bool): If set to true, stream will be decoded into dicts
on the fly. Only applicable if ``stream`` is True.
False by default.
stream (bool): If set to false, only the current stats will be
returned instead of a stream. True by default.
Raises:
:py:class:`docker.errors.APIError`
If the server returns an error.
)r r1 �statsr3 r4 r r r rk � s zContainer.statsc K r0 )aU
Stops a container. Similar to the ``docker stop`` command.
Args:
timeout (int): Timeout in seconds to wait for the container to
stop before sending a ``SIGKILL``. Default: 10
Raises:
:py:class:`docker.errors.APIError`
If the server returns an error.
)r r1 �stopr3 r4 r r r rl � s zContainer.stopc K r0 )aH
Display the running processes of the container.
Args:
ps_args (str): An optional arguments passed to ps (e.g. ``aux``)
Returns:
(str): The output of the top
Raises:
:py:class:`docker.errors.APIError`
If the server returns an error.
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Unpause all processes within the container.
Raises:
:py:class:`docker.errors.APIError`
If the server returns an error.
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Update resource configuration of the containers.
Args:
blkio_weight (int): Block IO (relative weight), between 10 and 1000
cpu_period (int): Limit CPU CFS (Completely Fair Scheduler) period
cpu_quota (int): Limit CPU CFS (Completely Fair Scheduler) quota
cpu_shares (int): CPU shares (relative weight)
cpuset_cpus (str): CPUs in which to allow execution
cpuset_mems (str): MEMs in which to allow execution
mem_limit (int or str): Memory limit
mem_reservation (int or str): Memory soft limit
memswap_limit (int or str): Total memory (memory + swap), -1 to
disable swap
kernel_memory (int or str): Kernel memory limit
restart_policy (dict): Restart policy dictionary
Returns:
(dict): Dictionary containing a ``Warnings`` key.
Raises:
:py:class:`docker.errors.APIError`
If the server returns an error.
)r r1 �update_containerr3 r4 r r r �update� s zContainer.updatec K r0 )a�
Block until the container stops, then return its exit code. Similar to
the ``docker wait`` command.
Args:
timeout (int): Request timeout
condition (str): Wait until a container state reaches the given
condition, either ``not-running`` (default), ``next-exit``,
or ``removed``
Returns:
(dict): The API's response as a Python dictionary, including
the container's exit code under the ``StatusCode`` attribute.
Raises:
:py:class:`requests.exceptions.ReadTimeout`
If the timeout is exceeded.
:py:class:`docker.errors.APIError`
If the server returns an error.
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Run a container. By default, it will wait for the container to finish
and return its logs, similar to ``docker run``.
If the ``detach`` argument is ``True``, it will start the container
and immediately return a :py:class:`Container` object, similar to
``docker run -d``.
Example:
Run a container and get its output:
>>> import docker
>>> client = docker.from_env()
>>> client.containers.run('alpine', 'echo hello world')
b'hello world\n'
Run a container and detach:
>>> container = client.containers.run('bfirsh/reticulate-splines',
detach=True)
>>> container.logs()
'Reticulating spline 1...\nReticulating spline 2...\n'
Args:
image (str): The image to run.
command (str or list): The command to run in the container.
auto_remove (bool): enable auto-removal of the container on daemon
side when the container's process exits.
blkio_weight_device: Block IO weight (relative device weight) in
the form of: ``[{"Path": "device_path", "Weight": weight}]``.
blkio_weight: Block IO weight (relative weight), accepts a weight
value between 10 and 1000.
cap_add (list of str): Add kernel capabilities. For example,
``["SYS_ADMIN", "MKNOD"]``.
cap_drop (list of str): Drop kernel capabilities.
cgroup_parent (str): Override the default parent cgroup.
cpu_count (int): Number of usable CPUs (Windows only).
cpu_percent (int): Usable percentage of the available CPUs
(Windows only).
cpu_period (int): The length of a CPU period in microseconds.
cpu_quota (int): Microseconds of CPU time that the container can
get in a CPU period.
cpu_rt_period (int): Limit CPU real-time period in microseconds.
cpu_rt_runtime (int): Limit CPU real-time runtime in microseconds.
cpu_shares (int): CPU shares (relative weight).
cpuset_cpus (str): CPUs in which to allow execution (``0-3``,
``0,1``).
cpuset_mems (str): Memory nodes (MEMs) in which to allow execution
(``0-3``, ``0,1``). Only effective on NUMA systems.
detach (bool): Run container in the background and return a
:py:class:`Container` object.
device_cgroup_rules (:py:class:`list`): A list of cgroup rules to
apply to the container.
device_read_bps: Limit read rate (bytes per second) from a device
in the form of: `[{"Path": "device_path", "Rate": rate}]`
device_read_iops: Limit read rate (IO per second) from a device.
device_write_bps: Limit write rate (bytes per second) from a
device.
device_write_iops: Limit write rate (IO per second) from a device.
devices (:py:class:`list`): Expose host devices to the container,
as a list of strings in the form
``<path_on_host>:<path_in_container>:<cgroup_permissions>``.
For example, ``/dev/sda:/dev/xvda:rwm`` allows the container
to have read-write access to the host's ``/dev/sda`` via a
node named ``/dev/xvda`` inside the container.
device_requests (:py:class:`list`): Expose host resources such as
GPUs to the container, as a list of
:py:class:`docker.types.DeviceRequest` instances.
dns (:py:class:`list`): Set custom DNS servers.
dns_opt (:py:class:`list`): Additional options to be added to the
container's ``resolv.conf`` file.
dns_search (:py:class:`list`): DNS search domains.
domainname (str or list): Set custom DNS search domains.
entrypoint (str or list): The entrypoint for the container.
environment (dict or list): Environment variables to set inside
the container, as a dictionary or a list of strings in the
format ``["SOMEVARIABLE=xxx"]``.
extra_hosts (dict): Additional hostnames to resolve inside the
container, as a mapping of hostname to IP address.
group_add (:py:class:`list`): List of additional group names and/or
IDs that the container process will run as.
healthcheck (dict): Specify a test to perform to check that the
container is healthy.
hostname (str): Optional hostname for the container.
init (bool): Run an init inside the container that forwards
signals and reaps processes
init_path (str): Path to the docker-init binary
ipc_mode (str): Set the IPC mode for the container.
isolation (str): Isolation technology to use. Default: `None`.
kernel_memory (int or str): Kernel memory limit
labels (dict or list): A dictionary of name-value labels (e.g.
``{"label1": "value1", "label2": "value2"}``) or a list of
names of labels to set with empty values (e.g.
``["label1", "label2"]``)
links (dict): Mapping of links using the
``{'container': 'alias'}`` format. The alias is optional.
Containers declared in this dict will be linked to the new
container using the provided alias. Default: ``None``.
log_config (LogConfig): Logging configuration.
lxc_conf (dict): LXC config.
mac_address (str): MAC address to assign to the container.
mem_limit (int or str): Memory limit. Accepts float values
(which represent the memory limit of the created container in
bytes) or a string with a units identification char
(``100000b``, ``1000k``, ``128m``, ``1g``). If a string is
specified without a units character, bytes are assumed as an
intended unit.
mem_reservation (int or str): Memory soft limit.
mem_swappiness (int): Tune a container's memory swappiness
behavior. Accepts number between 0 and 100.
memswap_limit (str or int): Maximum amount of memory + swap a
container is allowed to consume.
mounts (:py:class:`list`): Specification for mounts to be added to
the container. More powerful alternative to ``volumes``. Each
item in the list is expected to be a
:py:class:`docker.types.Mount` object.
name (str): The name for this container.
nano_cpus (int): CPU quota in units of 1e-9 CPUs.
network (str): Name of the network this container will be connected
to at creation time. You can connect to additional networks
using :py:meth:`Network.connect`. Incompatible with
``network_mode``.
network_disabled (bool): Disable networking.
network_mode (str): One of:
- ``bridge`` Create a new network stack for the container on
on the bridge network.
- ``none`` No networking for this container.
- ``container:<name|id>`` Reuse another container's network
stack.
- ``host`` Use the host network stack.
This mode is incompatible with ``ports``.
Incompatible with ``network``.
oom_kill_disable (bool): Whether to disable OOM killer.
oom_score_adj (int): An integer value containing the score given
to the container in order to tune OOM killer preferences.
pid_mode (str): If set to ``host``, use the host PID namespace
inside the container.
pids_limit (int): Tune a container's pids limit. Set ``-1`` for
unlimited.
platform (str): Platform in the format ``os[/arch[/variant]]``.
Only used if the method needs to pull the requested image.
ports (dict): Ports to bind inside the container.
The keys of the dictionary are the ports to bind inside the
container, either as an integer or a string in the form
``port/protocol``, where the protocol is either ``tcp``,
``udp``, or ``sctp``.
The values of the dictionary are the corresponding ports to
open on the host, which can be either:
- The port number, as an integer. For example,
``{'2222/tcp': 3333}`` will expose port 2222 inside the
container as port 3333 on the host.
- ``None``, to assign a random host port. For example,
``{'2222/tcp': None}``.
- A tuple of ``(address, port)`` if you want to specify the
host interface. For example,
``{'1111/tcp': ('127.0.0.1', 1111)}``.
- A list of integers, if you want to bind multiple host ports
to a single container port. For example,
``{'1111/tcp': [1234, 4567]}``.
Incompatible with ``host`` network mode.
privileged (bool): Give extended privileges to this container.
publish_all_ports (bool): Publish all ports to the host.
read_only (bool): Mount the container's root filesystem as read
only.
remove (bool): Remove the container when it has finished running.
Default: ``False``.
restart_policy (dict): Restart the container when it exits.
Configured as a dictionary with keys:
- ``Name`` One of ``on-failure``, or ``always``.
- ``MaximumRetryCount`` Number of times to restart the
container on failure.
For example:
``{"Name": "on-failure", "MaximumRetryCount": 5}``
runtime (str): Runtime to use with this container.
security_opt (:py:class:`list`): A list of string values to
customize labels for MLS systems, such as SELinux.
shm_size (str or int): Size of /dev/shm (e.g. ``1G``).
stdin_open (bool): Keep ``STDIN`` open even if not attached.
stdout (bool): Return logs from ``STDOUT`` when ``detach=False``.
Default: ``True``.
stderr (bool): Return logs from ``STDERR`` when ``detach=False``.
Default: ``False``.
stop_signal (str): The stop signal to use to stop the container
(e.g. ``SIGINT``).
storage_opt (dict): Storage driver options per container as a
key-value mapping.
stream (bool): If true and ``detach`` is false, return a log
generator instead of a string. Ignored if ``detach`` is true.
Default: ``False``.
sysctls (dict): Kernel parameters to set in the container.
tmpfs (dict): Temporary filesystems to mount, as a dictionary
mapping a path inside the container to options for that path.
For example:
.. code-block:: python
{
'/mnt/vol2': '',
'/mnt/vol1': 'size=3G,uid=1000'
}
tty (bool): Allocate a pseudo-TTY.
ulimits (:py:class:`list`): Ulimits to set inside the container,
as a list of :py:class:`docker.types.Ulimit` instances.
use_config_proxy (bool): If ``True``, and if the docker client
configuration file (``~/.docker/config.json`` by default)
contains a proxy configuration, the corresponding environment
variables will be set in the container being built.
user (str or int): Username or UID to run commands as inside the
container.
userns_mode (str): Sets the user namespace mode for the container
when user namespace remapping option is enabled. Supported
values are: ``host``
uts_mode (str): Sets the UTS namespace mode for the container.
Supported values are: ``host``
version (str): The version of the API to use. Set to ``auto`` to
automatically detect the server's version. Default: ``1.35``
volume_driver (str): The name of a volume driver/plugin.
volumes (dict or list): A dictionary to configure volumes mounted
inside the container. The key is either the host path or a
volume name, and the value is a dictionary with the keys:
- ``bind`` The path to mount the volume inside the container
- ``mode`` Either ``rw`` to mount the volume read/write, or
``ro`` to mount it read-only.
For example:
.. code-block:: python
{'/home/user1/': {'bind': '/mnt/vol2', 'mode': 'rw'},
'/var/www': {'bind': '/mnt/vol1', 'mode': 'ro'}}
Or a list of strings which each one of its elements specifies a mount volume.
For example:
.. code-block:: python
['/home/user1/:/mnt/vol2','/var/www:/mnt/vol1']
volumes_from (:py:class:`list`): List of container names or IDs to
get volumes from.
working_dir (str): Path to the working directory.
Returns:
The container logs, either ``STDOUT``, ``STDERR``, or both,
depending on the value of the ``stdout`` and ``stderr`` arguments.
``STDOUT`` and ``STDERR`` may be read only if either ``json-file``
or ``journald`` logging driver used. Thus, if you are using none of
these drivers, a ``None`` object is returned instead. See the
`Engine API documentation
<https://docs.docker.com/engine/api/v1.30/#operation/ContainerLogs/>`_
for full details.
If ``detach`` is ``True``, a :py:class:`Container` object is
returned instead.
Raises:
:py:class:`docker.errors.ContainerError`
If the container exits with a non-zero exit code and
``detach`` is ``False``.
:py:class:`docker.errors.ImageNotFound`
If the specified image does not exist.
:py:class:`docker.errors.APIError`
If the server returns an error.
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limit (int): Show `limit` last created containers, include
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filters (dict): Filters to be processed on the image list.
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