[英]How do you run commands on ASG EC2 instance start from AWS CDK
How can I add commands to run on instance start when using AWS CDK (Typescript)使用 AWS CDK (Typescript) 时如何添加命令以在实例启动时运行
You can use asg.userData.addCommands(...commands);
您可以使用asg.userData.addCommands(...commands);
Example below:下面的例子:
/**
* Auto-scaling group
*/
const asg = new autoscaling.AutoScalingGroup(this, 'ASG ' + STAGE, {
instanceType: ec2.InstanceType.of(ec2.InstanceClass.T3, ec2.InstanceSize.MEDIUM),
keyName: 'my_key',
machineImage: ec2.MachineImage.genericLinux({ 'eu-west-1': 'your_ami' }),
updateType: autoscaling.UpdateType.REPLACING_UPDATE,
minCapacity: 2,
maxCapacity: 10,
maxInstanceLifetime: cdk.Duration.days(14),
vpcSubnets: {
subnetType: ec2.SubnetType.PUBLIC,
},
securityGroup: ec2SecurityGroup,
vpc,
});
/**
* Commands to run on instance init
* Git pull and npm start
* Needs to be run as ec2-user not root
*/
const commands = [`runuser -l ec2-user -c 'cd /home/ec2-user/source && git pull && npm start'`];
asg.userData.addCommands(...commands);
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