Added activity 9

workshop/21dec22/activity9.sh

@@ -2,13 +2,55 @@
 region=$1
 image_name="RHEL-9.1.0_HVM-20221101-x86_64-2-Hourly2-GP2"
 owner_id="309956199498"
-default_region='ap-south-2'
-# if region is not passed make ap-south-2 as default region
+default_region='us-west-2'
+group_name='openall'
+publickey_filename="id_rsa.pub"
+key_name="my-id-rsa"
+instance_type="t2.micro"
+instance_count=1
+default_user_name="ec2-user"
+# if region is not passed make us-west-2 as default region
 if [[ -z "$region" ]]; then
   echo "region is not passed so ${default_region} will be considered"
   region=$default_region
 fi
-
+az="${region}b"
 
 ami_id=$(aws ec2 describe-images --filters "Name=name,Values=${image_name}" "Name=owner-id,Values=${owner_id}" --query "Images[].ImageId" --region "$region" --output text)
-echo "Found ${ami_id}"
+echo "Found Redhat 9 AMI: ${ami_id} in region ${region}"
+
+vpc_id=$( aws ec2 describe-vpcs --query "Vpcs[?IsDefault].VpcId | [0]" --output text --region "${region}")
+echo "Found vpc id: ${vpc_id} in region ${region}"
+
+subnet_id=$(aws ec2 describe-subnets --filters "Name=availability-zone, Values=${az}" "Name=vpc-id, Values=${vpc_id}" --query "Subnets[].SubnetId | [0]" --output text --region "${region}")
+echo "Found subnet in az: ${az} with id ${subnet_id}"
+
+sg_id=$(aws ec2 describe-security-groups --filters "Name=vpc-id,Values=${vpc_id}" --group-names "${group_name}" --query "SecurityGroups[].GroupId | [0]" --output text --region "${region}")
+echo "Found security group in Vpc: ${vpc_id} with id ${sg_id} with name ${group_name}"
+
+count=$(aws ec2 describe-key-pairs --filters "Name=key-name,Values=${key_name}" --query "KeyPairs[] | length(@)" --region ${region})
+if [[ $count -eq 0 ]]; then
+    echo "key pair ${key_name} doesnot exist, so creating"
+    aws ec2 import-key-pair --key-name "${key_name}" --public-key-material "fileb://~/.ssh/${publickey_filename}"
+fi
+
+echo "key pair ${key_name} exists"
+
+#todo: Add check for instance count
+if [[ $instance_count -eq 0 ]]; then
+    instance_id=$(aws ec2 run-instances --image-id "${ami_id}" --instance-type "${instance_type}" \
+            --key-name "${key_name}" --subnet-id "${subnet_id}" \
+            --security-group-ids "${sg_id}" --associate-public-ip-address \
+            --region "${region}" --query "Instances[0].InstanceId" \
+            --output text)
+    echo "Created ec2 instance with instance id ${instance_id}"
+fi
+
+# get instance id and print ssh statement
+#ip=$(aws ec2 describe-instances --query "Reservations[].Instances[].PublicIpAddress | [0]" --output text)
+#echo "ssh ec2-user@${ip}"
+
+
+
+
+