diff --git a/python/application-load-balancer/app.py b/python/application-load-balancer/app.py
index 40e0b866d..18b9cca02 100644
--- a/python/application-load-balancer/app.py
+++ b/python/application-load-balancer/app.py
@@ -1,4 +1,5 @@
#!/usr/bin/env python3
+import base64
from aws_cdk import (
aws_autoscaling as autoscaling,
aws_ec2 as ec2,
@@ -13,6 +14,11 @@ def __init__(self, app: core.App, id: str) -> None:
vpc = ec2.Vpc(self, "VPC")
+ data = open("./httpd.sh", "rb").read()
+ httpd=ec2.UserData.for_linux()
+ httpd.add_commands(str(data,'utf-8'))
+
+
asg = autoscaling.AutoScalingGroup(
self,
"ASG",
@@ -20,7 +26,8 @@ def __init__(self, app: core.App, id: str) -> None:
instance_type=ec2.InstanceType.of(
ec2.InstanceClass.BURSTABLE2, ec2.InstanceSize.MICRO
),
- machine_image=ec2.AmazonLinuxImage(),
+ machine_image=ec2.AmazonLinuxImage(generation=ec2.AmazonLinuxGeneration.AMAZON_LINUX_2),
+ user_data=httpd,
)
lb = elbv2.ApplicationLoadBalancer(
@@ -33,6 +40,7 @@ def __init__(self, app: core.App, id: str) -> None:
listener.connections.allow_default_port_from_any_ipv4("Open to the world")
asg.scale_on_request_count("AModestLoad", target_requests_per_second=1)
+ core.CfnOutput(self,"LoadBalancer",export_name="LoadBalancer",value=lb.load_balancer_dns_name)
app = core.App()
diff --git a/python/application-load-balancer/httpd.sh b/python/application-load-balancer/httpd.sh
new file mode 100644
index 000000000..15d86b332
--- /dev/null
+++ b/python/application-load-balancer/httpd.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+#install httpd
+yum install httpd -y
+
+#enable and start httpd
+systemctl enable httpd
+systemctl start httpd
+echo " Example Web Server" > /var/www/html/index.html
+echo "" >> /var/www/html/index.html
+echo "Welcome AWS $(hostname -f)
" >> /var/www/html/index.html
+echo "
" >> /var/www/html/index.html
+curl http://169.254.169.254/latest/meta-data/instance-id >> /var/www/html/index.html
+echo "" >> /var/www/html/index.html