From 39bdd92de7a442bab453b3e61801bc88c4858db3 Mon Sep 17 00:00:00 2001
From: Alexander Yu <yualexan@amazon.com>
Date: Thu, 22 Feb 2024 13:50:17 -0800
Subject: [PATCH] Add layer-python example

---
 sample-apps/layer-python/function/lambda_function.py |  9 +++++++++
 sample-apps/layer-python/layer/Dockerfile            |  2 ++
 sample-apps/layer-python/layer/docker_install.sh     |  7 +++++++
 sample-apps/layer-python/layer/docker_runner.sh      | 11 +++++++++++
 sample-apps/layer-python/layer/requirements.txt      |  1 +
 5 files changed, 30 insertions(+)
 create mode 100644 sample-apps/layer-python/function/lambda_function.py
 create mode 100644 sample-apps/layer-python/layer/Dockerfile
 create mode 100644 sample-apps/layer-python/layer/docker_install.sh
 create mode 100755 sample-apps/layer-python/layer/docker_runner.sh
 create mode 100644 sample-apps/layer-python/layer/requirements.txt

diff --git a/sample-apps/layer-python/function/lambda_function.py b/sample-apps/layer-python/function/lambda_function.py
new file mode 100644
index 00000000..11ef4b5e
--- /dev/null
+++ b/sample-apps/layer-python/function/lambda_function.py
@@ -0,0 +1,9 @@
+import requests
+
+def lambda_handler(event, context):
+    print(f"Version of requests library: {requests.__version__}")
+    request = requests.get('https://api.github.com/')
+    return {
+        'statusCode': request.status_code,
+        'body': request.text
+    }
diff --git a/sample-apps/layer-python/layer/Dockerfile b/sample-apps/layer-python/layer/Dockerfile
new file mode 100644
index 00000000..846893f4
--- /dev/null
+++ b/sample-apps/layer-python/layer/Dockerfile
@@ -0,0 +1,2 @@
+FROM amazonlinux:2023
+RUN dnf update && dnf install -y python3.11 zip && dnf clean all
diff --git a/sample-apps/layer-python/layer/docker_install.sh b/sample-apps/layer-python/layer/docker_install.sh
new file mode 100644
index 00000000..40f67711
--- /dev/null
+++ b/sample-apps/layer-python/layer/docker_install.sh
@@ -0,0 +1,7 @@
+python3.11 -m venv create_layer
+source create_layer/bin/activate
+pip install -r requirements.txt
+
+mkdir python
+cp -r create_layer/lib python/
+zip -r layer_content.zip python
diff --git a/sample-apps/layer-python/layer/docker_runner.sh b/sample-apps/layer-python/layer/docker_runner.sh
new file mode 100755
index 00000000..5b7201d2
--- /dev/null
+++ b/sample-apps/layer-python/layer/docker_runner.sh
@@ -0,0 +1,11 @@
+container_name=lambda_python_layer_container
+docker_image=lambda_python_layer_image:example
+
+docker run -td --name=$container_name $docker_image
+docker cp ./requirements.txt $container_name:/
+
+docker exec -i $container_name /bin/bash < ./docker_install.sh
+docker cp $container_name:/layer_content.zip layer_content.zip
+
+docker stop $container_name
+docker rm $container_name
diff --git a/sample-apps/layer-python/layer/requirements.txt b/sample-apps/layer-python/layer/requirements.txt
new file mode 100644
index 00000000..2c24336e
--- /dev/null
+++ b/sample-apps/layer-python/layer/requirements.txt
@@ -0,0 +1 @@
+requests==2.31.0