From 26a2fbaf24407f30e42ab8aba47b19ba026d21cd Mon Sep 17 00:00:00 2001
From: DiptoChakrabarty <diptochuck123@gmail.com>
Date: Mon, 7 Sep 2020 15:00:23 +0530
Subject: [PATCH 1/2] created script to automate launch of  mulitple ec2
 instances

---
 Automation/src/multiple-ec2-instances/.env   |  7 +++++
 Automation/src/multiple-ec2-instances/ec2.py | 28 ++++++++++++++++++++
 2 files changed, 35 insertions(+)
 create mode 100644 Automation/src/multiple-ec2-instances/.env
 create mode 100644 Automation/src/multiple-ec2-instances/ec2.py

diff --git a/Automation/src/multiple-ec2-instances/.env b/Automation/src/multiple-ec2-instances/.env
new file mode 100644
index 00000000..9ca2fcab
--- /dev/null
+++ b/Automation/src/multiple-ec2-instances/.env
@@ -0,0 +1,7 @@
+ACCESS_KEY="{your aws access key}"
+SECRET_KEY="{your aws secret key}"
+AMI="{your ami}"
+REGION="{your preferred region}"
+ZONE="{your zone}"
+TYPE="{instance type}"
+SUBNET="{subnet}"
diff --git a/Automation/src/multiple-ec2-instances/ec2.py b/Automation/src/multiple-ec2-instances/ec2.py
new file mode 100644
index 00000000..c05cff7c
--- /dev/null
+++ b/Automation/src/multiple-ec2-instances/ec2.py
@@ -0,0 +1,28 @@
+import boto3,os
+from dotenv import load_dotenv
+load_dotenv()
+
+#Load env variables
+access_key= os.getenv("ACCESS_KEY")
+secret_key= os.getenv("SECRET_KEY")
+ami= os.getenv("AMI")
+region= os.getenv("REGION")
+zone= os.getenv("ZONE")
+type= os.getenv("TYPE")
+subnet = os.getenv("SUBNET")
+
+client = boto3.client(service_name='ec2', region_name=region, aws_access_key_id= access_key,aws_secret_access_key= secret_key)
+
+# Create ec2 resource
+ec2 = boto3.resource('ec2', region_name=region, aws_access_key_id= access_key,aws_secret_access_key= secret_key)
+# create an instance
+instance = ec2.create_instances(
+    ImageId = ami,
+    MinCount = 1,
+    MaxCount = {specify max instances needed here},
+    InstanceType = type,
+    KeyName = key_name,
+    SubnetId = subnet)
+
+instance.wait_until_running()
+print("Instance Up and Running")

From c64d6f46760d561b2f81f924970f71ed8e94e300 Mon Sep 17 00:00:00 2001
From: Dipto Chakrabarty <45638240+DiptoChakrabarty@users.noreply.github.com>
Date: Thu, 1 Oct 2020 00:30:07 +0530
Subject: [PATCH 2/2] add commands to run and steps to use

---
 Automation/src/multiple-ec2-instances/ec2.py | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/Automation/src/multiple-ec2-instances/ec2.py b/Automation/src/multiple-ec2-instances/ec2.py
index c05cff7c..140fe3fc 100644
--- a/Automation/src/multiple-ec2-instances/ec2.py
+++ b/Automation/src/multiple-ec2-instances/ec2.py
@@ -3,6 +3,8 @@
 load_dotenv()
 
 #Load env variables
+# Add all these environment variables in your env file
+# format of env file has been provided by adding an empty .env
 access_key= os.getenv("ACCESS_KEY")
 secret_key= os.getenv("SECRET_KEY")
 ami= os.getenv("AMI")
@@ -19,10 +21,12 @@
 instance = ec2.create_instances(
     ImageId = ami,
     MinCount = 1,
-    MaxCount = {specify max instances needed here},
-    InstanceType = type,
-    KeyName = key_name,
+    MaxCount = {specify max instances needed here},  # here replace brancket with the number of instances you need 
+    InstanceType = type,   
+    KeyName = key_name,  
     SubnetId = subnet)
 
 instance.wait_until_running()
 print("Instance Up and Running")
+
+# To use the script run python3 ec2.py