[英]terraform does not detect changes to lambda source files
In my main.tf
I have the following:在我的
main.tf
中,我有以下内容:
data "template_file" "lambda_script_temp_file" {
template = "${file("../../../fn/lambda_script.py")}"
}
data "template_file" "library_temp_file" {
template = "${file("../../../library.py")}"
}
data "template_file" "init_temp_file" {
template = "${file("../../../__init__.py")}"
}
data "archive_file" "lambda_resources_zip" {
type = "zip"
output_path = "${path.module}/lambda_resources.zip"
source {
content = "${data.template_file.lambda_script_temp_file.rendered}"
filename = "lambda_script.py"
}
source {
content = "${data.template_file.library_temp_file.rendered}"
filename = "library.py"
}
source {
content = "${data.template_file.init_temp_file.rendered}"
filename = "__init__.py"
}
}
resource "aws_lambda_function" "MyLambdaFunction" {
filename = "${data.archive_file.lambda_resources_zip.output_path}"
function_name = "awesome_lambda"
role = "${var.my_role_arn}"
handler = "lambda_script.lambda_handler"
runtime = "python3.6"
timeout = "300"
}
The problem is when I modify one of the source files, say lambda_script.py
, upon a new terraform apply
, even though the archive file ( lambda_resources_zip
) gets updated, the lambda function's script does not get updated (the new archive file does not get uploaded).问题是当我修改其中一个源文件时,比如
lambda_script.py
,在新的terraform apply
上,即使存档文件( lambda_resources_zip
)得到更新, lambda 函数的脚本也没有得到更新(新的存档文件没有得到上传)。
I know that in order to avoid this, I could first run terraform destroy
but that is not an option for my use case.我知道为了避免这种情况,我可以先运行
terraform destroy
但这不是我的用例的选项。
*I'm using Terraform v0.11.10 *我正在使用 Terraform v0.11.10
I resolved the issue by adding the following line the resource definition: 我通过将以下行添加到资源定义中解决了该问题:
source_code_hash = "${data.archive_file.lambda_resources_zip.output_base64sha256}"
when the source files are modified, the hashed value will change and trigger the source file to be updated. 修改源文件后,哈希值将更改并触发要更新的源文件。
This worked for me -这对我有用 -
source_hash = "${data.archive_file.source.output_base64sha256}"
to s3 lambda bucket
this will tell if any changes made.到
s3 lambda bucket
,这将告诉您是否进行了任何更改。
source_code_hash = "${data.archive_file.source.output_base64sha256}"
So your code should look like this -所以你的代码应该是这样的 -
resource "aws_s3_object" "lambda_object" {
source_hash = "${data.archive_file.source.output_base64sha256}"
bucket = "${aws_s3_bucket.s3.bucket}"
key = "${var.key}"
source = data.archive_file.source.output_path
}
resource "aws_lambda_function" "lambda_" {
function_name = "lambda_name"
source_code_hash = "${data.archive_file.source.output_base64sha256}"
.......
.......
}
Worked for me.为我工作。 Best wishes.
最良好的祝愿。
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