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website: clarify some aspects of the aws_lambda_function docs 

The docs on aws_lambda_function used some differing terminology to
what's currently used in the official AWS lambda docs, which
caused some confusion for users trying to use the Java runtime
where the "deployment package" is a JAR archive rather than a plain
zip file.

This change attempts to be consistent with the terminology used in the
AWS docs and also clarifies that the implementation now allows
source_code_hash to be used regardless of which deployment package
upload method is in use.

This fixes #12443.
This commit is contained in:
Martin Atkins 2017-04-04 09:40:08 -07:00
parent 4a804db415
commit 1eb744c6cf
1 changed files with 20 additions and 6 deletions
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26
website/source/docs/providers/aws/r/lambda_function.html.markdown
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@ -41,6 +41,7 @@ resource "aws_lambda_function" "test_lambda" {
role = "${aws_iam_role.iam_for_lambda.arn}"
handler = "exports.test"
source_code_hash = "${base64sha256(file("lambda_function_payload.zip"))}"
runtime = "nodejs4.3"
environment {
variables = {
@ -50,12 +51,25 @@ resource "aws_lambda_function" "test_lambda" {
}
```
## Specifying the Deployment Package
AWS Lambda expects source code to be provided as a deployment package whose structure varies depending on which `runtime` is in use.
See [Runtimes][6] for the valid values of `runtime`. The expected structure of the deployment package can be found in
[the AWS Lambda documentation for each runtime][8].
Once you have created your deployment package you can specify it either directly as a local file (using the `filename` argument) or
indirectly via Amazon S3 (using the `s3_bucket`, `s3_key` and `s3_object_version` arguments). When providing the deployment
package via S3 it may be useful to use [the `aws_s3_bucket_object` resource](s3_bucket_object.html) to upload it.
For larger deployment packages it is recommended by Amazon to upload via S3, since the S3 API has better support for uploading
large files efficiently.
## Argument Reference
* `filename` - (Optional) A [zip file][2] containing your lambda function source code. If defined, The `s3_*` options cannot be used.
* `s3_bucket` - (Optional) The S3 bucket location containing your lambda function source code. Conflicts with `filename`.
* `s3_key` - (Optional) The S3 key of a [zip file][2] containing your lambda function source code. Conflicts with `filename`.
* `s3_object_version` - (Optional) The object version of your lambda function source code. Conflicts with `filename`.
* `filename` - (Optional) The path to the function's deployment package within the local filesystem. If defined, The `s3_`-prefixed options cannot be used.
* `s3_bucket` - (Optional) The S3 bucket location containing the function's deployment package. Conflicts with `filename`.
* `s3_key` - (Optional) The S3 key of an object containing the function's deployment package. Conflicts with `filename`.
* `s3_object_version` - (Optional) The object version containing the function's deployment package. Conflicts with `filename`.
* `function_name` - (Required) A unique name for your Lambda Function.
* `dead_letter_config` - (Optional) Nested block to configure the function's *dead letter queue*. See details below.
* `handler` - (Required) The function [entrypoint][3] in your code.
@ -68,8 +82,7 @@ resource "aws_lambda_function" "test_lambda" {
* `vpc_config` - (Optional) Provide this to allow your function to access your VPC. Fields documented below. See [Lambda in VPC][7]
* `environment` - (Optional) The Lambda environment's configuration settings. Fields documented below.
* `kms_key_arn` - (Optional) The ARN for the KMS encryption key.
* `source_code_hash` - (Optional) Used to trigger updates. This is only useful in conjunction with `filename`.
The only useful value is `${base64sha256(file("file.zip"))}`.
* `source_code_hash` - (Optional) Used to trigger updates. Must be set to a base64-encoded SHA256 hash of the package file specified with either `filename` or `s3_key`. The usual way to set this is `${base64sha256(file("file.zip"))}`, where "file.zip" is the local filename of the lambda function source archive.
**dead\_letter\_config** is a child block with a single argument:
@ -107,6 +120,7 @@ For **environment** the following attributes are supported:
[5]: https://docs.aws.amazon.com/lambda/latest/dg/limits.html
[6]: https://docs.aws.amazon.com/lambda/latest/dg/API_CreateFunction.html#SSS-CreateFunction-request-Runtime
[7]: http://docs.aws.amazon.com/lambda/latest/dg/vpc.html
[8]: https://docs.aws.amazon.com/lambda/latest/dg/deployment-package-v2.html
## Import