[실습]173 인스턴스 생성 문제 해결

#!/bin/bash DATE=date '+%Y-%m-%d %H:%M:%S' echo echo “Running create-instance.sh on “$DATE echo

Hard coded values

instanceType=”t3.small” echo “Instance Type: “$instanceType profile=”default” echo “Profile: “$profile

echo echo “Looking up account values…”

get vpcId

vpc=”” while [[ “$vpc” == “” ]] ; do for i in $(aws ec2 describe-regions | grep RegionName | cut -d ‘”’ -f4) ; do region=$i; vpc=$(aws ec2 describe-vpcs –region $i –filters “Name=tag:Name,Values=’Cafe VPC’” –profile $profile | grep VpcId | cut -d ‘”’ -f4 | sed -n 1p ); if [[ “$vpc” != “” ]]; then break; fi done done echo echo “VPC: “$vpc echo “Region: “$region

vpc=$(aws ec2 describe-vpcs
–filters “Name=tag:Name,Values=’Cafe VPC’”
–region $region
–profile $profile | grep VpcId | cut -d ‘”’ -f4 | sed -n 1p) echo “VPC: “$vpc

get subnetId

subnetId=$(aws ec2 describe-subnets
–filters “Name=tag:Name,Values=’Cafe Public Subnet 1’”
–region $region
–profile $profile
–query “Subnets[*]” | grep SubnetId | cut -d ‘”’ -f4 | sed -n 1p) echo “Subnet Id: “$subnetId

Get keypair name

key=$(aws ec2 describe-key-pairs
–profile $profile –region $region | grep KeyName | cut -d ‘”’ -f4 ) echo “Key: “$key

Get AMI ID

imageId=$(aws ssm get-parameters
–names ‘/aws/service/ami-amazon-linux-latest/amzn2-ami-hvm-x86_64-gp2’
–profile $profile
–region $region | grep ami- | cut -d ‘”’ -f4 | sed -n 2p) echo “AMI ID: “$imageId

#check for existing cafe instance existingEc2Instance=$(aws ec2 describe-instances
–region $region
–profile $profile
–filters “Name=tag:Name,Values=cafeserver” “Name=instance-state-name,Values=running”
| grep InstanceId | cut -d ‘”’ -f4) if [[ “$existingEc2Instance” != “” ]]; then echo echo “WARNING: Found existing running EC2 instance with instance ID “$existingEc2Instance”.” echo “This script will not succeed if it already exists. “ echo “Would you like to delete it? [Y/N]” echo “»”

validResp=0 while [ $validResp -eq 0 ]; do read answer if [[ “$answer” == “Y” || “$answer” == “y” ]]; then echo echo “Deleting the existing instance…” aws ec2 terminate-instances –instance-ids $existingEc2Instance –region $region –profile $profile #wait for confirmation it was terminated aws ec2 wait instance-terminated –instance-ids $existingEc2Instance –region $region –profile $profile validResp=”1” elif [[ “$answer” == “N” || “$answer” == “n” ]]; then echo “Ok, exiting.” exit 1 else echo “Please reply with Y or N.” fi done

sleep 10 #give it 10 seconds before trying to delete the SG this instance used. fi

#check for existing cafeSG security Group existingMpSg=$(aws ec2 describe-security-groups
–region $region
–query “SecurityGroups[?contains(GroupName, ‘cafeSG’)]”
–profile $profile | grep GroupId | cut -d ‘”’ -f4)

if [[ “$existingMpSg” != “” ]]; then echo echo “WARNING: Found existing security group with name “$existingMpSg”.” echo “This script will not succeed if it already exists. “ echo “Would you like to delete it? [Y/N]” echo “»”

validResp=0 while [ $validResp -eq 0 ]; do read answer if [[ “$answer” == “Y” || “$answer” == “y” ]]; then echo echo “Deleting the existing security group…” aws ec2 delete-security-group –group-id $existingMpSg –region $region –profile $profile validResp=”1” elif [[ “$answer” == “N” || “$answer” == “n” ]]; then echo “Ok, exiting.” exit 1 else echo “Please reply with Y or N.” fi done sleep 10 #give it 10 seconds before trying to recreate the SG fi

CREATE a security group and capture the name of it

echo echo “Creating a new security group…” securityGroup=$(aws ec2 create-security-group –group-name “cafeSG”
–description “cafeSG”
–region $region
–group-name “cafeSG”
–vpc-id $vpc –profile $profile | grep GroupId | cut -d ‘”’ -f4 ) echo “Security Group: “$securityGroup

Open ports in the security group

echo echo “Opening port 22 in the new security group” aws ec2 authorize-security-group-ingress
–group-id $securityGroup
–protocol tcp
–port 22
–cidr 0.0.0.0/0
–region $region
–profile $profile

echo “Opening port 80 in the new security group” aws ec2 authorize-security-group-ingress
–group-id $securityGroup
–protocol tcp
–port 8080
–cidr 0.0.0.0/0
–region $region
–profile $profile

echo echo “Creating an EC2 instance in “$region instanceDetails=$(aws ec2 run-instances
–image-id $imageId
–count 1
–instance-type $instanceType
–region $region
–subnet-id $subnetId
–security-group-ids $securityGroup
–tag-specifications ‘ResourceType=instance,Tags=[{Key=Name,Value=cafeserver}]’
–associate-public-ip-address
–iam-instance-profile Name=LabInstanceProfile
–profile $profile
–user-data file://create-lamp-instance-userdata-v2.txt
–key-name $key )

#if the create instance command failed, exit this script if [[ “$?” -ne “0” ]]; then exit 1 fi

echo echo “Instance Details….” echo $instanceDetails | python -m json.tool

Extract instanceId

instanceId=$(echo $instanceDetails | python -m json.tool | grep InstanceId | sed -n 1p | cut -d ‘”’ -f4) echo “instanceId=”$instanceId echo echo “Waiting for a public IP for the new instance…” pubIp=”” while [[ “$pubIp” == “” ]]; do sleep 10; pubIp=$(aws ec2 describe-instances –instance-id $instanceId –region $region –profile $profile | grep PublicIp | sed -n 1p | cut -d ‘”’ -f4) done

echo echo “The public IP of your LAMP instance is: “$pubIp echo echo “Download the Key Pair from the Vocareum page.” echo echo “Then connect using this command (with .pem or .ppk added to the end of the keypair name):” echo “ssh -i path-to/”$key” ec2-user@”$pubIp echo echo “The website should also become available at” echo “http://”$pubIp”/cafe/”

echo DATE=date '+%Y-%m-%d %H:%M:%S' echo echo “Done running create-instance.sh at “$DATE echo

네이버 클라우드

범용

CPU: 메모리

1:4

메모리 최적화

1:8

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