Package software.amazon.awssdk.services.ecs.model

Class LinuxParameters

java.lang.Object

software.amazon.awssdk.services.ecs.model.LinuxParameters

All Implemented Interfaces:

Serializable, SdkPojo, ToCopyableBuilder<LinuxParameters.Builder,LinuxParameters>

@Generated("software.amazon.awssdk:codegen")
public final class LinuxParameters
extends Object
implements SdkPojo, Serializable, ToCopyableBuilder<LinuxParameters.Builder,LinuxParameters>

The Linux-specific options that are applied to the container, such as Linux KernelCapabilities.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	LinuxParameters.Builder

Method Summary

Modifier and Type	Method	Description
static LinuxParameters.Builder	builder()
KernelCapabilities	capabilities()	The Linux capabilities for the container that are added to or dropped from the default configuration provided by Docker.
List<Device>	devices()	Any host devices to expose to the container.
boolean	equals(Object obj)
boolean	equalsBySdkFields(Object obj)
<T> Optional<T>	getValueForField(String fieldName, Class<T> clazz)
boolean	hasDevices()	For responses, this returns true if the service returned a value for the Devices property.
int	hashCode()
boolean	hasTmpfs()	For responses, this returns true if the service returned a value for the Tmpfs property.
Boolean	initProcessEnabled()	Run an init process inside the container that forwards signals and reaps processes.
Integer	maxSwap()	The total amount of swap memory (in MiB) a container can use.
Map<String,SdkField<?>>	sdkFieldNameToField()
List<SdkField<?>>	sdkFields()
static Class<? extends LinuxParameters.Builder>	serializableBuilderClass()
Integer	sharedMemorySize()	The value for the size (in MiB) of the /dev/shm volume.
Integer	swappiness()	This allows you to tune a container's memory swappiness behavior.
List<Tmpfs>	tmpfs()	The container path, mount options, and size (in MiB) of the tmpfs mount.
LinuxParameters.Builder	toBuilder()
String	toString()	Returns a string representation of this object.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface software.amazon.awssdk.utils.builder.ToCopyableBuilder

copy

Method Detail

capabilities

public final KernelCapabilities capabilities()

The Linux capabilities for the container that are added to or dropped from the default configuration provided by Docker.

For tasks that use the Fargate launch type, capabilities is supported for all platform versions but the add parameter is only supported if using platform version 1.4.0 or later.

Returns:

The Linux capabilities for the container that are added to or dropped from the default configuration provided by Docker.

For tasks that use the Fargate launch type, capabilities is supported for all platform versions but the add parameter is only supported if using platform version 1.4.0 or later.

hasDevices

public final boolean hasDevices()

For responses, this returns true if the service returned a value for the Devices property. This DOES NOT check that the value is non-empty (for which, you should check the isEmpty() method on the property). This is useful because the SDK will never return a null collection or map, but you may need to differentiate between the service returning nothing (or null) and the service returning an empty collection or map. For requests, this returns true if a value for the property was specified in the request builder, and false if a value was not specified.

devices

public final List<Device> devices()

Any host devices to expose to the container. This parameter maps to Devices in the docker container create command and the --device option to docker run.

If you're using tasks that use the Fargate launch type, the devices parameter isn't supported.

Attempts to modify the collection returned by this method will result in an UnsupportedOperationException.

This method will never return null. If you would like to know whether the service returned this field (so that you can differentiate between null and empty), you can use the hasDevices() method.

Returns:

Any host devices to expose to the container. This parameter maps to Devices in the docker container create command and the --device option to docker run.

If you're using tasks that use the Fargate launch type, the devices parameter isn't supported.

initProcessEnabled

public final Boolean initProcessEnabled()

Run an init process inside the container that forwards signals and reaps processes. This parameter maps to the --init option to docker run. This parameter requires version 1.25 of the Docker Remote API or greater on your container instance. To check the Docker Remote API version on your container instance, log in to your container instance and run the following command: sudo docker version --format '{{.Server.APIVersion}}'

Returns:

Run an init process inside the container that forwards signals and reaps processes. This parameter maps to the --init option to docker run. This parameter requires version 1.25 of the Docker Remote API or greater on your container instance. To check the Docker Remote API version on your container instance, log in to your container instance and run the following command: sudo docker version --format '{{.Server.APIVersion}}'

sharedMemorySize

public final Integer sharedMemorySize()

The value for the size (in MiB) of the /dev/shm volume. This parameter maps to the --shm-size option to docker run.

If you are using tasks that use the Fargate launch type, the sharedMemorySize parameter is not supported.

Returns:

The value for the size (in MiB) of the /dev/shm volume. This parameter maps to the --shm-size option to docker run.

If you are using tasks that use the Fargate launch type, the sharedMemorySize parameter is not supported.

hasTmpfs

public final boolean hasTmpfs()

For responses, this returns true if the service returned a value for the Tmpfs property. This DOES NOT check that the value is non-empty (for which, you should check the isEmpty() method on the property). This is useful because the SDK will never return a null collection or map, but you may need to differentiate between the service returning nothing (or null) and the service returning an empty collection or map. For requests, this returns true if a value for the property was specified in the request builder, and false if a value was not specified.

tmpfs

public final List<Tmpfs> tmpfs()

The container path, mount options, and size (in MiB) of the tmpfs mount. This parameter maps to the --tmpfs option to docker run.

If you're using tasks that use the Fargate launch type, the tmpfs parameter isn't supported.

Attempts to modify the collection returned by this method will result in an UnsupportedOperationException.

This method will never return null. If you would like to know whether the service returned this field (so that you can differentiate between null and empty), you can use the hasTmpfs() method.

Returns:

The container path, mount options, and size (in MiB) of the tmpfs mount. This parameter maps to the --tmpfs option to docker run.

If you're using tasks that use the Fargate launch type, the tmpfs parameter isn't supported.

maxSwap

public final Integer maxSwap()

The total amount of swap memory (in MiB) a container can use. This parameter will be translated to the --memory-swap option to docker run where the value would be the sum of the container memory plus the maxSwap value.

If a maxSwap value of 0 is specified, the container will not use swap. Accepted values are 0 or any positive integer. If the maxSwap parameter is omitted, the container will use the swap configuration for the container instance it is running on. A maxSwap value must be set for the swappiness parameter to be used.

If you're using tasks that use the Fargate launch type, the maxSwap parameter isn't supported.

If you're using tasks on Amazon Linux 2023 the swappiness parameter isn't supported.

Returns:

The total amount of swap memory (in MiB) a container can use. This parameter will be translated to the --memory-swap option to docker run where the value would be the sum of the container memory plus the maxSwap value.

If a maxSwap value of 0 is specified, the container will not use swap. Accepted values are 0 or any positive integer. If the maxSwap parameter is omitted, the container will use the swap configuration for the container instance it is running on. A maxSwap value must be set for the swappiness parameter to be used.

If you're using tasks that use the Fargate launch type, the maxSwap parameter isn't supported.

If you're using tasks on Amazon Linux 2023 the swappiness parameter isn't supported.

swappiness

public final Integer swappiness()

This allows you to tune a container's memory swappiness behavior. A swappiness value of 0 will cause swapping to not happen unless absolutely necessary. A swappiness value of 100 will cause pages to be swapped very aggressively. Accepted values are whole numbers between 0 and 100. If the swappiness parameter is not specified, a default value of 60 is used. If a value is not specified for maxSwap then this parameter is ignored. This parameter maps to the --memory-swappiness option to docker run.

If you're using tasks that use the Fargate launch type, the swappiness parameter isn't supported.

If you're using tasks on Amazon Linux 2023 the swappiness parameter isn't supported.

Returns:

This allows you to tune a container's memory swappiness behavior. A swappiness value of 0 will cause swapping to not happen unless absolutely necessary. A swappiness value of 100 will cause pages to be swapped very aggressively. Accepted values are whole numbers between 0 and 100. If the swappiness parameter is not specified, a default value of 60 is used. If a value is not specified for maxSwap then this parameter is ignored. This parameter maps to the --memory-swappiness option to docker run.

If you're using tasks that use the Fargate launch type, the swappiness parameter isn't supported.

If you're using tasks on Amazon Linux 2023 the swappiness parameter isn't supported.

toBuilder

public LinuxParameters.Builder toBuilder()

Specified by:

toBuilder in interface ToCopyableBuilder<LinuxParameters.Builder,LinuxParameters>

builder

public static LinuxParameters.Builder builder()

serializableBuilderClass

public static Class<? extends LinuxParameters.Builder> serializableBuilderClass()

hashCode

public final int hashCode()

Overrides:

hashCode in class Object

equals

public final boolean equals(Object obj)

Overrides:

equals in class Object

equalsBySdkFields

public final boolean equalsBySdkFields(Object obj)

Specified by:

equalsBySdkFields in interface SdkPojo

toString

public final String toString()

Returns a string representation of this object. This is useful for testing and debugging. Sensitive data will be redacted from this string using a placeholder value.

Overrides:

toString in class Object

getValueForField

public final <T> Optional<T> getValueForField(String fieldName,
                                              Class<T> clazz)

sdkFields

public final List<SdkField<?>> sdkFields()

Specified by:

sdkFields in interface SdkPojo

sdkFieldNameToField

public final Map<String,SdkField<?>> sdkFieldNameToField()

Specified by:

sdkFieldNameToField in interface SdkPojo