View Source aws_lambda (aws v1.0.4)
Lambda
Overview
Lambda is a compute service that lets you run code without provisioning or managing servers.
Lambda runs your code on a high-availability compute infrastructure and performs all of the administration of the compute resources, including server and operating system maintenance, capacity provisioning and automatic scaling, code monitoring and logging. With Lambda, you can run code for virtually any type of application or backend service. For more information about the Lambda service, see What is Lambda: https://docs.aws.amazon.com/lambda/latest/dg/welcome.html in the Lambda Developer Guide.
The Lambda API Reference provides information about each of the API methods, including details about the parameters in each API request and response.
You can use Software Development Kits (SDKs), Integrated Development Environment (IDE) Toolkits, and command line tools to access the API. For installation instructions, see Tools for Amazon Web Services: http://aws.amazon.com/tools/.
For a list of Region-specific endpoints that Lambda supports, see Lambda endpoints and quotas : https://docs.aws.amazon.com/general/latest/gr/lambda-service.html/ in the Amazon Web Services General Reference..
When making the API calls, you will need to authenticate your request by providing a signature. Lambda supports signature version 4. For more information, see Signature Version 4 signing process: https://docs.aws.amazon.com/general/latest/gr/signature-version-4.html in the Amazon Web Services General Reference..
CA certificates
Because Amazon Web Services SDKs use the CA certificates from your computer, changes to the certificates on the Amazon Web Services servers can cause connection failures when you attempt to use an SDK. You can prevent these failures by keeping your computer's CA certificates and operating system up-to-date. If you encounter this issue in a corporate environment and do not manage your own computer, you might need to ask an administrator to assist with the update process. The following list shows minimum operating system and Java versions:
Microsoft Windows versions that have updates from January 2005 or later installed contain at least one of the required CAs in their trust list.
Mac OS X 10.4 with Java for Mac OS X 10.4 Release 5 (February 2007), Mac OS X 10.5 (October 2007), and later versions contain at least one of the required CAs in their trust list.
Red Hat Enterprise Linux 5 (March 2007), 6, and 7 and CentOS 5, 6, and 7 all contain at least one of the required CAs in their default trusted CA list.
Java 1.4.2_12 (May 2006), 5 Update 2 (March 2005), and all later versions, including Java 6 (December 2006), 7, and 8, contain at least one of the required CAs in their default trusted CA list.
When accessing the Lambda management console or Lambda API endpoints, whether through browsers or programmatically, you will need to ensure your client machines support any of the following CAs:
Amazon Root CA 1
Starfield Services Root Certificate Authority - G2
Starfield Class 2 Certification Authority
Summary
Functions
Adds permissions to the resource-based policy of a version of an Lambda layer: https://docs.aws.amazon.com/lambda/latest/dg/configuration-layers.html.
Grants an Amazon Web Service, Amazon Web Services account, or Amazon Web Services organization permission to use a function.
Creates an alias: https://docs.aws.amazon.com/lambda/latest/dg/configuration-aliases.html for a Lambda function version.
Creates a code signing configuration.
Creates a mapping between an event source and an Lambda function.
Creates a Lambda function.
Creates a Lambda function URL with the specified configuration parameters.
Deletes the code signing configuration.
Deletes an event source mapping: https://docs.aws.amazon.com/lambda/latest/dg/intro-invocation-modes.html.
Deletes a Lambda function.
Deletes the configuration for asynchronous invocation for a function, version, or alias.
Deletes a Lambda function URL.
Deletes a version of an Lambda layer: https://docs.aws.amazon.com/lambda/latest/dg/configuration-layers.html.
Returns details about an event source mapping.
Returns information about the function or function version, with a link to download the deployment package that's valid for 10 minutes.
Returns details about the reserved concurrency configuration for a function.
Returns the version-specific settings of a Lambda function or version.
Retrieves the configuration for asynchronous invocation for a function, version, or alias.
Returns the permission policy for a version of an Lambda layer: https://docs.aws.amazon.com/lambda/latest/dg/configuration-layers.html.
Retrieves the runtime management configuration for a function's version.
Invokes a Lambda function.
For asynchronous function invocation, use Invoke
.
Configure your Lambda functions to stream response payloads back to clients.
Returns a list of code signing configurations: https://docs.aws.amazon.com/lambda/latest/dg/configuring-codesigning.html.
Lists event source mappings.
Retrieves a list of configurations for asynchronous invocation for a function.
Returns a list of Lambda functions, with the version-specific configuration of each.
List the functions that use the specified code signing configuration.
Lists the versions of an Lambda layer: https://docs.aws.amazon.com/lambda/latest/dg/configuration-layers.html.
Lists Lambda layers: https://docs.aws.amazon.com/lambda/latest/dg/invocation-layers.html and shows information about the latest version of each.
Returns a function's tags: https://docs.aws.amazon.com/lambda/latest/dg/tagging.html.
Returns a list of versions: https://docs.aws.amazon.com/lambda/latest/dg/versioning-aliases.html, with the version-specific configuration of each.
Creates an Lambda layer: https://docs.aws.amazon.com/lambda/latest/dg/configuration-layers.html from a ZIP archive.
Creates a version: https://docs.aws.amazon.com/lambda/latest/dg/versioning-aliases.html from the current code and configuration of a function.
Update the code signing configuration for the function.
Sets the maximum number of simultaneous executions for a function, and reserves capacity for that concurrency level.
Configures options for asynchronous invocation: https://docs.aws.amazon.com/lambda/latest/dg/invocation-async.html on a function, version, or alias.
Sets the runtime management configuration for a function's version.
Removes a statement from the permissions policy for a version of an Lambda layer: https://docs.aws.amazon.com/lambda/latest/dg/configuration-layers.html.
Revokes function-use permission from an Amazon Web Service or another Amazon Web Services account.
Update the code signing configuration.
Updates an event source mapping.
Updates a Lambda function's code.
Modify the version-specific settings of a Lambda function.
Updates the configuration for asynchronous invocation for a function, version, or alias.
Functions
add_layer_version_permission(Client, LayerName, VersionNumber, Input)
View SourceAdds permissions to the resource-based policy of a version of an Lambda layer: https://docs.aws.amazon.com/lambda/latest/dg/configuration-layers.html.
Use this action to grant layer usage permission to other accounts. You can grant permission to a single account, all accounts in an organization, or all Amazon Web Services accounts.
To revoke permission, callRemoveLayerVersionPermission
with the statement ID that you specified when you added it.
add_layer_version_permission(Client, LayerName, VersionNumber, Input0, Options0)
View SourceGrants an Amazon Web Service, Amazon Web Services account, or Amazon Web Services organization permission to use a function.
You can apply the policy at the function level, or specify a qualifier to restrict access to a single version or alias. If you use a qualifier, the invoker must use the full Amazon Resource Name (ARN) of that version or alias to invoke the function. Note: Lambda does not support adding policies to version $LATEST.
To grant permission to another account, specify the account ID as the Principal
. To grant permission to an organization defined in Organizations, specify the organization ID as the PrincipalOrgID
. For Amazon Web Services, the principal is a domain-style identifier that the service defines, such as s3.amazonaws.com
or sns.amazonaws.com
. For Amazon Web Services, you can also specify the ARN of the associated resource as the SourceArn
. If you grant permission to a service principal without specifying the source, other accounts could potentially configure resources in their account to invoke your Lambda function.
Creates an alias: https://docs.aws.amazon.com/lambda/latest/dg/configuration-aliases.html for a Lambda function version.
Use aliases to provide clients with a function identifier that you can update to invoke a different version.
You can also map an alias to split invocation requests between two versions. Use theRoutingConfig
parameter to specify a second version and the percentage of invocation requests that it receives.
Creates a code signing configuration.
A code signing configuration: https://docs.aws.amazon.com/lambda/latest/dg/configuration-codesigning.html defines a list of allowed signing profiles and defines the code-signing validation policy (action to be taken if deployment validation checks fail).Creates a mapping between an event source and an Lambda function.
Lambda reads items from the event source and invokes the function.
For details about how to configure different event sources, see the following topics.
Amazon DynamoDB Streams: https://docs.aws.amazon.com/lambda/latest/dg/with-ddb.html#services-dynamodb-eventsourcemapping
Amazon Kinesis: https://docs.aws.amazon.com/lambda/latest/dg/with-kinesis.html#services-kinesis-eventsourcemapping
Amazon SQS: https://docs.aws.amazon.com/lambda/latest/dg/with-sqs.html#events-sqs-eventsource
Amazon MQ and RabbitMQ: https://docs.aws.amazon.com/lambda/latest/dg/with-mq.html#services-mq-eventsourcemapping
Amazon MSK: https://docs.aws.amazon.com/lambda/latest/dg/with-msk.html
Apache Kafka: https://docs.aws.amazon.com/lambda/latest/dg/kafka-smaa.html
Amazon DocumentDB: https://docs.aws.amazon.com/lambda/latest/dg/with-documentdb.html
The following error handling options are available only for stream sources (DynamoDB and Kinesis):
BisectBatchOnFunctionError
– If the function returns an error, split the batch in two and retry.DestinationConfig
– Send discarded records to an Amazon SQS queue or Amazon SNS topic.MaximumRecordAgeInSeconds
– Discard records older than the specified age. The default value is infinite (-1). When set to infinite (-1), failed records are retried until the record expiresMaximumRetryAttempts
– Discard records after the specified number of retries. The default value is infinite (-1). When set to infinite (-1), failed records are retried until the record expires.ParallelizationFactor
– Process multiple batches from each shard concurrently.
For information about which configuration parameters apply to each event source, see the following topics.
Amazon DynamoDB Streams: https://docs.aws.amazon.com/lambda/latest/dg/with-ddb.html#services-ddb-params
Amazon Kinesis: https://docs.aws.amazon.com/lambda/latest/dg/with-kinesis.html#services-kinesis-params
Amazon SQS: https://docs.aws.amazon.com/lambda/latest/dg/with-sqs.html#services-sqs-params
Amazon MQ and RabbitMQ: https://docs.aws.amazon.com/lambda/latest/dg/with-mq.html#services-mq-params
Amazon MSK: https://docs.aws.amazon.com/lambda/latest/dg/with-msk.html#services-msk-parms
Apache Kafka: https://docs.aws.amazon.com/lambda/latest/dg/with-kafka.html#services-kafka-parms
Amazon DocumentDB: https://docs.aws.amazon.com/lambda/latest/dg/with-documentdb.html#docdb-configuration
Creates a Lambda function.
To create a function, you need a deployment package: https://docs.aws.amazon.com/lambda/latest/dg/gettingstarted-package.html and an execution role: https://docs.aws.amazon.com/lambda/latest/dg/intro-permission-model.html#lambda-intro-execution-role. The deployment package is a .zip file archive or container image that contains your function code. The execution role grants the function permission to use Amazon Web Services, such as Amazon CloudWatch Logs for log streaming and X-Ray for request tracing.
If the deployment package is a container image: https://docs.aws.amazon.com/lambda/latest/dg/lambda-images.html, then you set the package type to Image
. For a container image, the code property must include the URI of a container image in the Amazon ECR registry. You do not need to specify the handler and runtime properties.
If the deployment package is a .zip file archive: https://docs.aws.amazon.com/lambda/latest/dg/gettingstarted-package.html#gettingstarted-package-zip, then you set the package type to Zip
. For a .zip file archive, the code property specifies the location of the .zip file. You must also specify the handler and runtime properties. The code in the deployment package must be compatible with the target instruction set architecture of the function (x86-64
or arm64
). If you do not specify the architecture, then the default value is x86-64
.
When you create a function, Lambda provisions an instance of the function and its supporting resources. If your function connects to a VPC, this process can take a minute or so. During this time, you can't invoke or modify the function. The State
, StateReason
, and StateReasonCode
fields in the response from GetFunctionConfiguration
indicate when the function is ready to invoke. For more information, see Lambda function states: https://docs.aws.amazon.com/lambda/latest/dg/functions-states.html.
A function has an unpublished version, and can have published versions and aliases. The unpublished version changes when you update your function's code and configuration. A published version is a snapshot of your function code and configuration that can't be changed. An alias is a named resource that maps to a version, and can be changed to map to a different version. Use the Publish
parameter to create version 1
of your function from its initial configuration.
The other parameters let you configure version-specific and function-level settings. You can modify version-specific settings later with UpdateFunctionConfiguration
. Function-level settings apply to both the unpublished and published versions of the function, and include tags (TagResource
) and per-function concurrency limits (PutFunctionConcurrency
).
You can use code signing if your deployment package is a .zip file archive. To enable code signing for this function, specify the ARN of a code-signing configuration. When a user attempts to deploy a code package with UpdateFunctionCode
, Lambda checks that the code package has a valid signature from a trusted publisher. The code-signing configuration includes set of signing profiles, which define the trusted publishers for this function.
If another Amazon Web Services account or an Amazon Web Service invokes your function, use AddPermission
to grant permission by creating a resource-based Identity and Access Management (IAM) policy. You can grant permissions at the function level, on a version, or on an alias.
Invoke
. To invoke your function in response to events in other Amazon Web Services, create an event source mapping (CreateEventSourceMapping
), or configure a function trigger in the other service. For more information, see Invoking Lambda functions: https://docs.aws.amazon.com/lambda/latest/dg/lambda-invocation.html.
Creates a Lambda function URL with the specified configuration parameters.
A function URL is a dedicated HTTP(S) endpoint that you can use to invoke your function.create_function_url_config(Client, FunctionName, Input0, Options0)
View SourceDeletes the code signing configuration.
You can delete the code signing configuration only if no function is using it.delete_code_signing_config(Client, CodeSigningConfigArn, Input0, Options0)
View SourceDeletes an event source mapping: https://docs.aws.amazon.com/lambda/latest/dg/intro-invocation-modes.html.
You can get the identifier of a mapping from the output of ListEventSourceMappings
.
Deleting
state and might not be completely deleted for several seconds.
Deletes a Lambda function.
To delete a specific function version, use the Qualifier
parameter. Otherwise, all versions and aliases are deleted. This doesn't require the user to have explicit permissions for DeleteAlias
.
DeleteEventSourceMapping
. For Amazon Web Services and resources that invoke your function directly, delete the trigger in the service where you originally configured it.
delete_function_code_signing_config(Client, FunctionName, Input0, Options0)
View Sourcedelete_function_concurrency(Client, FunctionName, Input0, Options0)
View SourceDeletes the configuration for asynchronous invocation for a function, version, or alias.
To configure options for asynchronous invocation, usePutFunctionEventInvokeConfig
.
delete_function_event_invoke_config(Client, FunctionName, Input0, Options0)
View SourceDeletes a Lambda function URL.
When you delete a function URL, you can't recover it. Creating a new function URL results in a different URL address.delete_function_url_config(Client, FunctionName, Input0, Options0)
View SourceDeletes a version of an Lambda layer: https://docs.aws.amazon.com/lambda/latest/dg/configuration-layers.html.
Deleted versions can no longer be viewed or added to functions. To avoid breaking functions, a copy of the version remains in Lambda until no functions refer to it.delete_layer_version(Client, LayerName, VersionNumber, Input0, Options0)
View Sourcedelete_provisioned_concurrency_config(Client, FunctionName, Input)
View Sourcedelete_provisioned_concurrency_config(Client, FunctionName, Input0, Options0)
View Sourceget_alias(Client, FunctionName, Name, QueryMap, HeadersMap, Options0)
View Sourceget_code_signing_config(Client, CodeSigningConfigArn, QueryMap, HeadersMap)
View Sourceget_code_signing_config(Client, CodeSigningConfigArn, QueryMap, HeadersMap, Options0)
View SourceReturns details about an event source mapping.
You can get the identifier of a mapping from the output ofListEventSourceMappings
.
get_event_source_mapping(Client, UUID, QueryMap, HeadersMap, Options0)
View SourceReturns information about the function or function version, with a link to download the deployment package that's valid for 10 minutes.
If you specify a function version, only details that are specific to that version are returned.get_function(Client, FunctionName, QueryMap, HeadersMap, Options0)
View Sourceget_function_code_signing_config(Client, FunctionName, QueryMap, HeadersMap)
View Sourceget_function_code_signing_config(Client, FunctionName, QueryMap, HeadersMap, Options0)
View SourceReturns details about the reserved concurrency configuration for a function.
To set a concurrency limit for a function, usePutFunctionConcurrency
.
get_function_concurrency(Client, FunctionName, QueryMap, HeadersMap)
View Sourceget_function_concurrency(Client, FunctionName, QueryMap, HeadersMap, Options0)
View SourceReturns the version-specific settings of a Lambda function or version.
The output includes only options that can vary between versions of a function. To modify these settings, use UpdateFunctionConfiguration
.
GetFunction
.
get_function_configuration(Client, FunctionName, QueryMap, HeadersMap)
View Sourceget_function_configuration(Client, FunctionName, QueryMap, HeadersMap, Options0)
View SourceRetrieves the configuration for asynchronous invocation for a function, version, or alias.
To configure options for asynchronous invocation, usePutFunctionEventInvokeConfig
.
get_function_event_invoke_config(Client, FunctionName, QueryMap, HeadersMap)
View Sourceget_function_event_invoke_config(Client, FunctionName, QueryMap, HeadersMap, Options0)
View Sourceget_function_url_config(Client, FunctionName, QueryMap, HeadersMap)
View Sourceget_function_url_config(Client, FunctionName, QueryMap, HeadersMap, Options0)
View Sourceget_layer_version(Client, LayerName, VersionNumber, QueryMap, HeadersMap)
View Sourceget_layer_version(Client, LayerName, VersionNumber, QueryMap, HeadersMap, Options0)
View Sourceget_layer_version_by_arn(Client, Arn, QueryMap, HeadersMap, Options0)
View SourceReturns the permission policy for a version of an Lambda layer: https://docs.aws.amazon.com/lambda/latest/dg/configuration-layers.html.
For more information, seeAddLayerVersionPermission
.
get_layer_version_policy(Client, LayerName, VersionNumber, QueryMap, HeadersMap)
View Sourceget_layer_version_policy(Client, LayerName, VersionNumber, QueryMap, HeadersMap, Options0)
View Sourceget_provisioned_concurrency_config(Client, FunctionName, Qualifier)
View Sourceget_provisioned_concurrency_config(Client, FunctionName, Qualifier, QueryMap, HeadersMap)
View Sourceget_provisioned_concurrency_config(Client, FunctionName, Qualifier, QueryMap, HeadersMap, Options0)
View SourceRetrieves the runtime management configuration for a function's version.
If the runtime update mode is Manual, this includes the ARN of the runtime version and the runtime update mode. If the runtime update mode is Auto or Function update, this includes the runtime update mode andnull
is returned for the ARN. For more information, see Runtime updates: https://docs.aws.amazon.com/lambda/latest/dg/runtimes-update.html.
get_runtime_management_config(Client, FunctionName, QueryMap, HeadersMap)
View Sourceget_runtime_management_config(Client, FunctionName, QueryMap, HeadersMap, Options0)
View SourceInvokes a Lambda function.
You can invoke a function synchronously (and wait for the response), or asynchronously. By default, Lambda invokes your function synchronously (i.e. theInvocationType
is RequestResponse
). To invoke a function asynchronously, set InvocationType
to Event
. Lambda passes the ClientContext
object to your function for synchronous invocations only.
For synchronous invocation: https://docs.aws.amazon.com/lambda/latest/dg/invocation-sync.html, details about the function response, including errors, are included in the response body and headers. For either invocation type, you can find more information in the execution log: https://docs.aws.amazon.com/lambda/latest/dg/monitoring-functions.html and trace: https://docs.aws.amazon.com/lambda/latest/dg/lambda-x-ray.html.
When an error occurs, your function may be invoked multiple times. Retry behavior varies by error type, client, event source, and invocation type. For example, if you invoke a function asynchronously and it returns an error, Lambda executes the function up to two more times. For more information, see Error handling and automatic retries in Lambda: https://docs.aws.amazon.com/lambda/latest/dg/invocation-retries.html.
For asynchronous invocation: https://docs.aws.amazon.com/lambda/latest/dg/invocation-async.html, Lambda adds events to a queue before sending them to your function. If your function does not have enough capacity to keep up with the queue, events may be lost. Occasionally, your function may receive the same event multiple times, even if no error occurs. To retain events that were not processed, configure your function with a dead-letter queue: https://docs.aws.amazon.com/lambda/latest/dg/invocation-async.html#invocation-dlq.
The status code in the API response doesn't reflect function errors. Error codes are reserved for errors that prevent your function from executing, such as permissions errors, quota: https://docs.aws.amazon.com/lambda/latest/dg/gettingstarted-limits.html errors, or issues with your function's code and configuration. For example, Lambda returns TooManyRequestsException
if running the function would cause you to exceed a concurrency limit at either the account level (ConcurrentInvocationLimitExceeded
) or function level (ReservedFunctionConcurrentInvocationLimitExceeded
).
For functions with a long timeout, your client might disconnect during synchronous invocation while it waits for a response. Configure your HTTP client, SDK, firewall, proxy, or operating system to allow for long connections with timeout or keep-alive settings.
This operation requires permission for the lambda:InvokeFunction: https://docs.aws.amazon.com/IAM/latest/UserGuide/list_awslambda.html action. For details on how to set up permissions for cross-account invocations, see Granting function access to other accounts: https://docs.aws.amazon.com/lambda/latest/dg/access-control-resource-based.html#permissions-resource-xaccountinvoke.For asynchronous function invocation, use Invoke
.
Invokes a function asynchronously.
If you do use the InvokeAsync action, note that it doesn't support the use of X-Ray active tracing. Trace ID is not propagated to the function, even if X-Ray active tracing is turned on.Configure your Lambda functions to stream response payloads back to clients.
For more information, see Configuring a Lambda function to stream responses: https://docs.aws.amazon.com/lambda/latest/dg/configuration-response-streaming.html.
This operation requires permission for the lambda:InvokeFunction: https://docs.aws.amazon.com/IAM/latest/UserGuide/list_awslambda.html action. For details on how to set up permissions for cross-account invocations, see Granting function access to other accounts: https://docs.aws.amazon.com/lambda/latest/dg/access-control-resource-based.html#permissions-resource-xaccountinvoke.invoke_with_response_stream(Client, FunctionName, Input0, Options0)
View Sourcelist_aliases(Client, FunctionName, QueryMap, HeadersMap, Options0)
View SourceReturns a list of code signing configurations: https://docs.aws.amazon.com/lambda/latest/dg/configuring-codesigning.html.
A request returns up to 10,000 configurations per call. You can use theMaxItems
parameter to return fewer configurations per call.
Lists event source mappings.
Specify anEventSourceArn
to show only event source mappings for a single event source.
list_event_source_mappings(Client, QueryMap, HeadersMap, Options0)
View SourceRetrieves a list of configurations for asynchronous invocation for a function.
To configure options for asynchronous invocation, usePutFunctionEventInvokeConfig
.
list_function_event_invoke_configs(Client, FunctionName, QueryMap, HeadersMap)
View Sourcelist_function_event_invoke_configs(Client, FunctionName, QueryMap, HeadersMap, Options0)
View Sourcelist_function_url_configs(Client, FunctionName, QueryMap, HeadersMap)
View Sourcelist_function_url_configs(Client, FunctionName, QueryMap, HeadersMap, Options0)
View SourceReturns a list of Lambda functions, with the version-specific configuration of each.
Lambda returns up to 50 functions per call.
Set FunctionVersion
to ALL
to include all published versions of each function in addition to the unpublished version.
ListFunctions
operation returns a subset of the FunctionConfiguration
fields. To get the additional fields (State, StateReasonCode, StateReason, LastUpdateStatus, LastUpdateStatusReason, LastUpdateStatusReasonCode, RuntimeVersionConfig) for a function or version, use GetFunction
.
list_functions_by_code_signing_config(Client, CodeSigningConfigArn)
View SourceList the functions that use the specified code signing configuration.
You can use this method prior to deleting a code signing configuration, to verify that no functions are using it.list_functions_by_code_signing_config(Client, CodeSigningConfigArn, QueryMap, HeadersMap)
View Sourcelist_functions_by_code_signing_config(Client, CodeSigningConfigArn, QueryMap, HeadersMap, Options0)
View SourceLists the versions of an Lambda layer: https://docs.aws.amazon.com/lambda/latest/dg/configuration-layers.html.
Versions that have been deleted aren't listed. Specify a runtime identifier: https://docs.aws.amazon.com/lambda/latest/dg/lambda-runtimes.html to list only versions that indicate that they're compatible with that runtime. Specify a compatible architecture to include only layer versions that are compatible with that architecture.list_layer_versions(Client, LayerName, QueryMap, HeadersMap, Options0)
View SourceLists Lambda layers: https://docs.aws.amazon.com/lambda/latest/dg/invocation-layers.html and shows information about the latest version of each.
Specify a runtime identifier: https://docs.aws.amazon.com/lambda/latest/dg/lambda-runtimes.html to list only layers that indicate that they're compatible with that runtime. Specify a compatible architecture to include only layers that are compatible with that instruction set architecture: https://docs.aws.amazon.com/lambda/latest/dg/foundation-arch.html.list_provisioned_concurrency_configs(Client, FunctionName, QueryMap, HeadersMap)
View Sourcelist_provisioned_concurrency_configs(Client, FunctionName, QueryMap, HeadersMap, Options0)
View SourceReturns a function's tags: https://docs.aws.amazon.com/lambda/latest/dg/tagging.html.
You can also view tags withGetFunction
.
Returns a list of versions: https://docs.aws.amazon.com/lambda/latest/dg/versioning-aliases.html, with the version-specific configuration of each.
Lambda returns up to 50 versions per call.list_versions_by_function(Client, FunctionName, QueryMap, HeadersMap)
View Sourcelist_versions_by_function(Client, FunctionName, QueryMap, HeadersMap, Options0)
View SourceCreates an Lambda layer: https://docs.aws.amazon.com/lambda/latest/dg/configuration-layers.html from a ZIP archive.
Each time you call PublishLayerVersion
with the same layer name, a new version is created.
CreateFunction
or UpdateFunctionConfiguration
.
Creates a version: https://docs.aws.amazon.com/lambda/latest/dg/versioning-aliases.html from the current code and configuration of a function.
Use versions to create a snapshot of your function code and configuration that doesn't change.
Lambda doesn't publish a version if the function's configuration and code haven't changed since the last version. Use UpdateFunctionCode
or UpdateFunctionConfiguration
to update the function before publishing a version.
CreateAlias
.
Update the code signing configuration for the function.
Changes to the code signing configuration take effect the next time a user tries to deploy a code package to the function.put_function_code_signing_config(Client, FunctionName, Input0, Options0)
View SourceSets the maximum number of simultaneous executions for a function, and reserves capacity for that concurrency level.
Concurrency settings apply to the function as a whole, including all published versions and the unpublished version. Reserving concurrency both ensures that your function has capacity to process the specified number of events simultaneously, and prevents it from scaling beyond that level. Use GetFunction
to see the current setting for a function.
GetAccountSettings
to see your Regional concurrency limit. You can reserve concurrency for as many functions as you like, as long as you leave at least 100 simultaneous executions unreserved for functions that aren't configured with a per-function limit. For more information, see Lambda function scaling: https://docs.aws.amazon.com/lambda/latest/dg/invocation-scaling.html.
Configures options for asynchronous invocation: https://docs.aws.amazon.com/lambda/latest/dg/invocation-async.html on a function, version, or alias.
If a configuration already exists for a function, version, or alias, this operation overwrites it. If you exclude any settings, they are removed. To set one option without affecting existing settings for other options, use UpdateFunctionEventInvokeConfig
.
By default, Lambda retries an asynchronous invocation twice if the function returns an error. It retains events in a queue for up to six hours. When an event fails all processing attempts or stays in the asynchronous invocation queue for too long, Lambda discards it. To retain discarded events, configure a dead-letter queue with UpdateFunctionConfiguration
.
put_function_event_invoke_config(Client, FunctionName, Input0, Options0)
View Sourceput_provisioned_concurrency_config(Client, FunctionName, Input0, Options0)
View SourceSets the runtime management configuration for a function's version.
For more information, see Runtime updates: https://docs.aws.amazon.com/lambda/latest/dg/runtimes-update.html.put_runtime_management_config(Client, FunctionName, Input0, Options0)
View Sourceremove_layer_version_permission(Client, LayerName, StatementId, VersionNumber, Input)
View SourceRemoves a statement from the permissions policy for a version of an Lambda layer: https://docs.aws.amazon.com/lambda/latest/dg/configuration-layers.html.
For more information, seeAddLayerVersionPermission
.
remove_layer_version_permission(Client, LayerName, StatementId, VersionNumber, Input0, Options0)
View SourceRevokes function-use permission from an Amazon Web Service or another Amazon Web Services account.
You can get the ID of the statement from the output ofGetPolicy
.
remove_permission(Client, FunctionName, StatementId, Input0, Options0)
View SourceUpdate the code signing configuration.
Changes to the code signing configuration take effect the next time a user tries to deploy a code package to the function.update_code_signing_config(Client, CodeSigningConfigArn, Input0, Options0)
View SourceUpdates an event source mapping.
You can change the function that Lambda invokes, or pause invocation and resume later from the same location.
For details about how to configure different event sources, see the following topics.
Amazon DynamoDB Streams: https://docs.aws.amazon.com/lambda/latest/dg/with-ddb.html#services-dynamodb-eventsourcemapping
Amazon Kinesis: https://docs.aws.amazon.com/lambda/latest/dg/with-kinesis.html#services-kinesis-eventsourcemapping
Amazon SQS: https://docs.aws.amazon.com/lambda/latest/dg/with-sqs.html#events-sqs-eventsource
Amazon MQ and RabbitMQ: https://docs.aws.amazon.com/lambda/latest/dg/with-mq.html#services-mq-eventsourcemapping
Amazon MSK: https://docs.aws.amazon.com/lambda/latest/dg/with-msk.html
Apache Kafka: https://docs.aws.amazon.com/lambda/latest/dg/kafka-smaa.html
Amazon DocumentDB: https://docs.aws.amazon.com/lambda/latest/dg/with-documentdb.html
The following error handling options are available only for stream sources (DynamoDB and Kinesis):
BisectBatchOnFunctionError
– If the function returns an error, split the batch in two and retry.DestinationConfig
– Send discarded records to an Amazon SQS queue or Amazon SNS topic.MaximumRecordAgeInSeconds
– Discard records older than the specified age. The default value is infinite (-1). When set to infinite (-1), failed records are retried until the record expiresMaximumRetryAttempts
– Discard records after the specified number of retries. The default value is infinite (-1). When set to infinite (-1), failed records are retried until the record expires.ParallelizationFactor
– Process multiple batches from each shard concurrently.
For information about which configuration parameters apply to each event source, see the following topics.
Amazon DynamoDB Streams: https://docs.aws.amazon.com/lambda/latest/dg/with-ddb.html#services-ddb-params
Amazon Kinesis: https://docs.aws.amazon.com/lambda/latest/dg/with-kinesis.html#services-kinesis-params
Amazon SQS: https://docs.aws.amazon.com/lambda/latest/dg/with-sqs.html#services-sqs-params
Amazon MQ and RabbitMQ: https://docs.aws.amazon.com/lambda/latest/dg/with-mq.html#services-mq-params
Amazon MSK: https://docs.aws.amazon.com/lambda/latest/dg/with-msk.html#services-msk-parms
Apache Kafka: https://docs.aws.amazon.com/lambda/latest/dg/with-kafka.html#services-kafka-parms
Amazon DocumentDB: https://docs.aws.amazon.com/lambda/latest/dg/with-documentdb.html#docdb-configuration
Updates a Lambda function's code.
If code signing is enabled for the function, the code package must be signed by a trusted publisher. For more information, see Configuring code signing for Lambda: https://docs.aws.amazon.com/lambda/latest/dg/configuration-codesigning.html.
If the function's package type is Image
, then you must specify the code package in ImageUri
as the URI of a container image: https://docs.aws.amazon.com/lambda/latest/dg/lambda-images.html in the Amazon ECR registry.
If the function's package type is Zip
, then you must specify the deployment package as a .zip file archive: https://docs.aws.amazon.com/lambda/latest/dg/gettingstarted-package.html#gettingstarted-package-zip. Enter the Amazon S3 bucket and key of the code .zip file location. You can also provide the function code inline using the ZipFile
field.
The code in the deployment package must be compatible with the target instruction set architecture of the function (x86-64
or arm64
).
The function's code is locked when you publish a version. You can't modify the code of a published version, only the unpublished version.
For a function defined as a container image, Lambda resolves the image tag to an image digest. In Amazon ECR, if you update the image tag to a new image, Lambda does not automatically update the function.Modify the version-specific settings of a Lambda function.
When you update a function, Lambda provisions an instance of the function and its supporting resources. If your function connects to a VPC, this process can take a minute. During this time, you can't modify the function, but you can still invoke it. The LastUpdateStatus
, LastUpdateStatusReason
, and LastUpdateStatusReasonCode
fields in the response from GetFunctionConfiguration
indicate when the update is complete and the function is processing events with the new configuration. For more information, see Lambda function states: https://docs.aws.amazon.com/lambda/latest/dg/functions-states.html.
These settings can vary between versions of a function and are locked when you publish a version. You can't modify the configuration of a published version, only the unpublished version.
To configure function concurrency, usePutFunctionConcurrency
. To grant invoke permissions to an Amazon Web Services account or Amazon Web Service, use AddPermission
.
update_function_configuration(Client, FunctionName, Input0, Options0)
View SourceUpdates the configuration for asynchronous invocation for a function, version, or alias.
To configure options for asynchronous invocation, usePutFunctionEventInvokeConfig
.