chore: allow to use local cache in ec2 lambdas

examples/templates/tenant/tenant/config.yml

@@ -29,18 +29,17 @@ ec2_runner_specs:
     ami_kms_key_arn: <KMS_ARN>
     runner_os: <OS>
     runner_architecture: <ARCH>
-    runner_user: ubuntu
+    runner_user: <RUNNER_USER>
     placement:
-      host_resource_group_arn: arn:aws:resource-groups:eu-west-1:123456789012:group/acme-dedicated-hosts
+      host_resource_group_arn: <HOST_RESOURCE_GROUP_ARN>
       tenancy: host
-      availability_zone: eu-west-1b
-    license_specifications:
-      - license_configuration_arn: arn:aws:license-manager:eu-west-1:123456789012:license-configuration:lic-0123456789abcdef0
-    use_dedicated_host: true
-    vpc_id: vpc-0abc1234def567890
-    subnet_ids:
-      - subnet-0abc1234def567890
+      availability_zone: <AVAILABILITY_ZONE>
     max_instances: <MAX_PARALLEL>
+    license_specifications: <LICENSE_SPECIFICATIONS>
+    use_dedicated_host: <USE_DEDICATED_HOST>
+    vpc_id: <VPC_ID>
+    subnet_ids:
+      - <SUBNET_ID>
     instance_types:
       - <AWS_INSTANCE_TYPE>
     pool_config:

modules/platform/ec2_deployment/main.tf

@@ -68,9 +68,9 @@ module "runners" {
   # Retention period for the logs in days.
   logging_retention_in_days = var.runner_configs.logging_retention_in_days
 
-  webhook_lambda_zip                = "/tmp/${var.runner_configs.prefix}/webhook.zip"
-  runner_binaries_syncer_lambda_zip = "/tmp/${var.runner_configs.prefix}/runner-binaries-syncer.zip"
-  runners_lambda_zip                = "/tmp/${var.runner_configs.prefix}/runners.zip"
+  webhook_lambda_zip                = "${data.external.download_lambdas.result.path}/webhook.zip"
+  runner_binaries_syncer_lambda_zip = "${data.external.download_lambdas.result.path}/runner-binaries-syncer.zip"
+  runners_lambda_zip                = "${data.external.download_lambdas.result.path}/runners.zip"
 
   # Configure the various types of runners we provide, along with on-demand
   # versus standby pools, etc.

modules/platform/ec2_deployment/scripts/download_lambdas.sh

@@ -9,12 +9,18 @@ fi
 DOWNLOAD_PATH="$1"
 VERSION="$2"
 
-rm -rf "$DOWNLOAD_PATH"
-mkdir -p "$DOWNLOAD_PATH"
+if [ -n "$USE_CACHE" ] && [ -n "$CACHE_PATH" ] && [ -d "$CACHE_PATH" ]; then
+    echo "USE_CACHE is set and $CACHE_PATH exists, skipping download." >&2
+    DOWNLOAD_PATH="$CACHE_PATH"
+    VERSION="local-cache"
+else
+    rm -rf "$DOWNLOAD_PATH"
+    mkdir -p "$DOWNLOAD_PATH"
 
-# Download files to the specified director
-wget --no-verbose -P "$DOWNLOAD_PATH" "https://github.com/github-aws-runners/terraform-aws-github-runner/releases/download/${VERSION}/runner-binaries-syncer.zip"
-wget --no-verbose -P "$DOWNLOAD_PATH" "https://github.com/github-aws-runners/terraform-aws-github-runner/releases/download/${VERSION}/runners.zip"
-wget --no-verbose -P "$DOWNLOAD_PATH" "https://github.com/github-aws-runners/terraform-aws-github-runner/releases/download/${VERSION}/webhook.zip"
+    # Download files to the specified directory
+    wget --no-verbose -P "$DOWNLOAD_PATH" "https://github.com/github-aws-runners/terraform-aws-github-runner/releases/download/${VERSION}/runner-binaries-syncer.zip"
+    wget --no-verbose -P "$DOWNLOAD_PATH" "https://github.com/github-aws-runners/terraform-aws-github-runner/releases/download/${VERSION}/runners.zip"
+    wget --no-verbose -P "$DOWNLOAD_PATH" "https://github.com/github-aws-runners/terraform-aws-github-runner/releases/download/${VERSION}/webhook.zip"
+fi
 
-echo -n "{\"version\":\"${VERSION}\"}"
+echo -n "{\"version\":\"${VERSION}\",\"path\":\"${DOWNLOAD_PATH}\"}"