Deploy layer versions with SAM

Author: philipp94831

deploy.sh

@@ -28,25 +28,11 @@ function releaseToRegion {
         --no-fail-on-empty-changeset \
         --region ${region}
     layers=(runtime recommended awspack)
-    for layer in "${layers[@]}"
-    do
-        layer_output=${layer}Layer
-        layer_arn=$(aws cloudformation describe-stacks \
-                  --stack-name ${stack_name} \
-                  --query "Stacks[0].Outputs[?OutputKey=='$layer_output'].OutputValue" \
-                  --output text \
-                  --region ${region})
-        layer_name=${layer_arn%:*}
-        version_number=${layer_arn##*:}
-        aws lambda add-layer-version-permission \
-            --layer-name ${layer_name} \
-            --version-number ${version_number} \
-            --principal "*" \
-            --statement-id publish \
-            --action lambda:GetLayerVersion \
-            --region ${region}
-        echo "published layer $layer_arn"
-    done
+    echo "Published layers:"
+    aws cloudformation describe-stack-resources \
+        --stack-name ${stack_name} \
+        --query "StackResources[?ResourceType=='AWS::Lambda::LayerVersion'].PhysicalResourceId" \
+        --region ${region}
 }
 
 regions=(

template.yaml

@@ -17,25 +17,33 @@ Resources:
       LayerName: !Sub r-runtime-${Version}
       ContentUri: runtime/build/layer/
       LicenseInfo: MIT
+  RuntimeLayerPermission:
+    Type: AWS::Lambda::LayerVersionPermission
+    Properties:
+      Action: lambda:GetLayerVersion
+      LayerVersionArn: !Ref RuntimeLayer
+      Principal: "*"
   RecommendedLayer:
     Type: AWS::Serverless::LayerVersion
     Properties:
       LayerName: !Sub r-recommended-${Version}
       ContentUri: recommended/build/layer/
       LicenseInfo: MIT
+  RecommendedLayerPermission:
+    Type: AWS::Lambda::LayerVersionPermission
+    Properties:
+      Action: lambda:GetLayerVersion
+      LayerVersionArn: !Ref RecommendedLayer
+      Principal: "*"
   AWSLayer:
     Type: AWS::Serverless::LayerVersion
     Properties:
       LayerName: !Sub r-awspack-${Version}
       ContentUri: awspack/build/layer/
       LicenseInfo: MIT
-Outputs:
-  runtimeLayer:
-    Description: "Runtime layer ARN"
-    Value: !Ref RuntimeLayer
-  recommendedLayer:
-    Description: "Recommended layer ARN"
-    Value: !Ref RecommendedLayer
-  awspackLayer:
-    Description: "AWS layer ARN"
-    Value: !Ref AWSLayer
+  AWSLayerPermission:
+    Type: AWS::Lambda::LayerVersionPermission
+    Properties:
+      Action: lambda:GetLayerVersion
+      LayerVersionArn: !Ref AWSLayer
+      Principal: "*"