From 723ae1c740010dba4ba7c581c1f93938a8d0d46f Mon Sep 17 00:00:00 2001
From: jay verma <jayverma@jays-MacBook-Pro.local>
Date: Mon, 16 Jun 2025 16:16:15 +1000
Subject: [PATCH 1/3] Commit to merge in tim's changes

---
 lambda.cfndsl.rb | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/lambda.cfndsl.rb b/lambda.cfndsl.rb
index 9a92c99..b8104c7 100644
--- a/lambda.cfndsl.rb
+++ b/lambda.cfndsl.rb
@@ -68,6 +68,9 @@
       if !lambda_config['named'].nil? && lambda_config['named']
         FunctionName(function_name)
       end
+      if !lambda_config['dlq_target_arn'].nil? && lambda_config['dlq_target_arn']
+        DeadLetterConfig({'TargetArn' => lambda_config['dlq_target_arn']})
+      end
       Tags tags
     end
 
@@ -138,6 +141,18 @@
           SourceArn FnSub("arn:aws:logs:${AWS::Region}:${AWS::AccountId}:log-group:/#{event['log_group']}:*")
         end
 
+
+      when 's3'
+
+        Lambda_Permission("#{function_name}#{name}Permissions") do
+            FunctionName Ref(function_name)
+            Action 'lambda:InvokeFunction'
+            Principal 's3.amazonaws.com'
+            SourceArn event['bucket']
+          end
+
+      
+      
       end
 
     end if lambda_config.has_key?('events')

From 89b8775a4e888b2acb23e5e93bfbd42342311c8d Mon Sep 17 00:00:00 2001
From: jay verma <jayverma@jays-MacBook-Pro.local>
Date: Thu, 26 Jun 2025 16:46:28 +1000
Subject: [PATCH 2/3] Update runtime

---
 README.md                | 2 +-
 spec/function_spec.rb    | 2 +-
 tests/function.test.yaml | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index bd9c440..81f773f 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@
 functions:
   app1:
       handler: handler.lambda_handler
-      runtime: python3.6
+      runtime: python3.10
       code_uri: app1/src.zip
       timeout: 30
       environment:
diff --git a/spec/function_spec.rb b/spec/function_spec.rb
index 16d9588..5a0a1dc 100644
--- a/spec/function_spec.rb
+++ b/spec/function_spec.rb
@@ -83,7 +83,7 @@
       end
       
       it "to have property Runtime" do
-          expect(resource["Properties"]["Runtime"]).to eq("python3.9")
+          expect(resource["Properties"]["Runtime"]).to eq("python3.10")
       end
       
       it "to have property Timeout" do
diff --git a/tests/function.test.yaml b/tests/function.test.yaml
index b170c81..7b0527a 100644
--- a/tests/function.test.yaml
+++ b/tests/function.test.yaml
@@ -10,7 +10,7 @@ distribution:
 functions:
   myfunction:
       handler: handler.lambda_handler
-      runtime: python3.9
+      runtime: python3.10
       code_uri: myfunction/src.zip
       timeout: 30
       environment:

From 77cd0eadfc7dd556c58adc5d20ecd5d9c3591c2b Mon Sep 17 00:00:00 2001
From: jay verma <jayverma@jays-MacBook-Pro.local>
Date: Mon, 30 Jun 2025 13:35:20 +1000
Subject: [PATCH 3/3] Add lambda layer functionality

---
 lambda.cfndsl.rb         | 1 +
 spec/function_spec.rb    | 4 ++++
 tests/function.test.yaml | 2 ++
 3 files changed, 7 insertions(+)

diff --git a/lambda.cfndsl.rb b/lambda.cfndsl.rb
index b8104c7..4cc5e5c 100644
--- a/lambda.cfndsl.rb
+++ b/lambda.cfndsl.rb
@@ -56,6 +56,7 @@
       Role(FnGetAtt("#{function_name}Role", 'Arn'))
       Runtime(lambda_config['runtime'])
       Timeout(lambda_config['timeout'] || 10)
+      Layers(lambda_config['layers']) if lambda_config.has_key?('layers')
       if (lambda_config.has_key? 'enable_eni') && (lambda_config['enable_eni'])
         VpcConfig({
           SecurityGroupIds: [
diff --git a/spec/function_spec.rb b/spec/function_spec.rb
index 5a0a1dc..7fdab4b 100644
--- a/spec/function_spec.rb
+++ b/spec/function_spec.rb
@@ -98,6 +98,10 @@
           expect(resource["Properties"]["Tags"]).to eq([{"Key"=>"Environment", "Value"=>{"Ref"=>"EnvironmentName"}}, {"Key"=>"EnvironmentType", "Value"=>{"Ref"=>"EnvironmentType"}}])
       end
       
+      it "to have property Layers" do
+          expect(resource["Properties"]["Layers"]).to eq(["arn:aws:lambda:us-east-1:123456789012:layer:my-layer:1"])
+      end
+      
     end
     
     context "myfunctionLogGroup" do
diff --git a/tests/function.test.yaml b/tests/function.test.yaml
index 7b0527a..cd62f02 100644
--- a/tests/function.test.yaml
+++ b/tests/function.test.yaml
@@ -25,6 +25,8 @@ functions:
             - '*'
       enable_eni: true
       log_retention: 7
+      layers:
+        - arn:aws:lambda:us-east-1:123456789012:layer:my-layer:1
       events:
         cron:
           type: schedule