From 73b1151d1cbb54df4654ad34567cfae6d6661e1c Mon Sep 17 00:00:00 2001
From: Kaushik Narayan R <rknarayan02@gmail.com>
Date: Sat, 10 Feb 2024 11:00:19 -0700
Subject: [PATCH] modified as userdata script, finishing up part-1

---
 .gitignore                        | 1 +
 Project-1/Part-1/README.md        | 5 +++++
 Project-1/Part-1/instance_run     | 7 ++++++-
 Project-1/Part-1/run_instances.py | 6 +++++-
 4 files changed, 17 insertions(+), 2 deletions(-)
 create mode 100644 Project-1/Part-1/README.md

diff --git a/.gitignore b/.gitignore
index fe54a0a..ff6b12a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 node_modules/
 *.log
 *.ps1
+*.zip
diff --git a/Project-1/Part-1/README.md b/Project-1/Part-1/README.md
new file mode 100644
index 0000000..92fc5c8
--- /dev/null
+++ b/Project-1/Part-1/README.md
@@ -0,0 +1,5 @@
+# Part-1: Starting out - EC2 instance, EIP, web tier (lookup)
+
+- `instance_info.py` describes the instances on the *us-east-1* region
+- `run_instances.py` launches one new instance, and associates the EIP 34.232.196.35 with it
+- The `instance_run` script is passed as user-data to the launched instance, to be executed upon first boot
diff --git a/Project-1/Part-1/instance_run b/Project-1/Part-1/instance_run
index e15e3e4..b800094 100644
--- a/Project-1/Part-1/instance_run
+++ b/Project-1/Part-1/instance_run
@@ -1,6 +1,9 @@
 #!/bin/bash
+# https://stackoverflow.com/a/71648116/7630441
+sudo -u ubuntu -i <<'EOF'
+
 # initializing instance
-cd /home/ubuntu
+cd ~
 sudo apt update
 sudo apt upgrade -y
 
@@ -21,3 +24,5 @@ npm i
 # Start
 pm2 start npm --name webTier -- run prod
 pm2 save
+
+EOF
diff --git a/Project-1/Part-1/run_instances.py b/Project-1/Part-1/run_instances.py
index ae329fd..c01e9c0 100644
--- a/Project-1/Part-1/run_instances.py
+++ b/Project-1/Part-1/run_instances.py
@@ -4,17 +4,21 @@ import boto3
 session = boto3.Session(profile_name="dev")
 dev_ec2_client = session.client("ec2", region_name="us-east-1")
 
+with open("instance_run", "r") as setup_f:
+	user_data = setup_f.read()
+	
 # Create capacity reservation of instances
 ami_id = "ami-0c7217cdde317cfec" # Ubuntu Server 22.04 LTS, SSD on EBS, 64-bit (x86)
 reservation = dev_ec2_client.run_instances(
     ImageId=ami_id,
+    InstanceType="t2.micro",
 	KeyName='cse546-dev',
     MinCount=1,  # if available instances are less than min_count, abort with no allocation
     MaxCount=1,  # try to allocate max_count instances. we only need one for now
-    InstanceType="t2.micro",
     TagSpecifications=[
         {"ResourceType": "instance", "Tags": [{"Key": "Name", "Value": "web-instance"}]}
     ],
+	UserData=user_data
 )
 
 print("Instances allocated successfully:", "Yes" if reservation else "No")