Merge pull request #3 from rhythmictech/ENG-1412.1

Eng 1412.1

Author: rsanchez-s

.github/workflows/lambda_zip.yaml

@@ -0,0 +1,28 @@
+name: Create a zipped lambda func for deployment
+
+on:
+  release:
+    types:
+      - created
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    # create the zip file
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Build Lambda Function
+        run: |
+          zip lambda.zip rolling-restart.py
+
+      - name: Upload lambda to assets
+        uses: actions/upload-release-asset@v1.0.2
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ github.event.release.upload_url }}
+          asset_path: ./lambda.zip
+          asset_name: lambda.zip
+          asset_content_type: application/zip

.gitignore

@@ -1,2 +1,3 @@
 .vscode
 venv
+.terraform

main.tf

@@ -1,20 +1,39 @@
 module "tags" {
   source = "git::https://github.com/rhythmictech/terraform-terraform-tags.git?ref=v0.0.2"
   tags   = var.tags
-
+  
   names = [
     var.name,
     "rolling-restart",
     "lambda",
   ]
 }
 
-data "archive_file" "this" {
-  type        = "zip"
-  source_file = "${path.module}/rolling-restart.py"
-  output_path = "${path.module}/tmp/lambda.zip"
+module "lambda_version" {
+  source  = "rhythmictech/find-release-by-semver/github"
+  version = "~> 1.0"
+
+  repo_name          = local.repo_name
+  repo_owner         = local.repo_owner
+  version_constraint = "~1.0.1-rc5"
+}
+
+locals {
+  lambda_version     = module.lambda_version.target_version
+  lambda_version_tag = module.lambda_version.version_info.release_tag
+}
+
+resource "null_resource" "lambda_zip" {
+  triggers = {
+    on_version_change = local.lambda_version
+  }
+
+  provisioner "local-exec" {
+    command = "curl -Lso ${path.module}/lambda.zip https://github.com/${local.repo_full_name}/releases/download/${local.lambda_version_tag}/lambda.zip"
+  }
 }
 
+
 data "aws_iam_policy_document" "lambda_assume_role_policy" {
   statement {
     actions = [
@@ -81,7 +100,7 @@ resource "random_uuid" "lambda_uuid" {}
 
 
 resource "aws_lambda_function" "this" {
-  filename         = data.archive_file.this.output_path
+  filename         = "${path.module}/lambda.zip"
   function_name    = "${module.tags.name32}_${substr(random_uuid.lambda_uuid.result, 0, 31)}"
   role             = aws_iam_role.this.arn
   handler          = "rolling-restart.handler"

variables.tf

@@ -3,8 +3,11 @@ data "aws_caller_identity" "current" {}
 
 
 locals {
-  account_id = data.aws_caller_identity.current.account_id
-  region     = data.aws_region.current.name
+  account_id     = data.aws_caller_identity.current.account_id
+  region         = data.aws_region.current.name
+  repo_full_name = "${local.repo_owner}/${local.repo_name}"
+  repo_owner     = "rhythmictech"
+  repo_name      = "terraform-aws-asg-rolling-restart-lambda"
 }
 
 variable "loglevel" {