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AWS Node.js SDK; EC2 instance creation and termination example
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var aws = require('aws-sdk'); | |
aws.config.update({ | |
accessKeyId: 'YOUR_ACCESS_KEY', | |
secretAccessKey: 'YOUR_SECRET_KEY', | |
region: 'us-west-2' | |
}); | |
var ec2 = new aws.EC2(); | |
function printStatuses() { | |
ec2.describeInstances({}, function(err, data) { | |
if(err) { | |
console.error(err.toString()); | |
} else { | |
var currentTime = new Date(); | |
console.log(currentTime.toString()); | |
for(var r=0,rlen=data.Reservations.length; r<rlen; r++) { | |
var reservation = data.Reservations[r]; | |
for(var i=0,ilen=reservation.Instances.length; i<ilen; ++i) { | |
var instance = reservation.Instances[i]; | |
var name = ''; | |
for(var t=0,tlen=instance.Tags.length; t<tlen; ++t) { | |
if(instance.Tags[t].Key === 'Name') { | |
name = instance.Tags[t].Value; | |
} | |
} | |
console.log('\t'+name+'\t'+instance.InstanceId+'\t'+instance.PublicIpAddress+'\t'+instance.InstanceType+'\t'+instance.ImageId+'\t'+instance.State.Name); | |
} | |
} | |
} | |
}); | |
} | |
function createInstance(imageId, count, keyPair, securityGroup, instanceType) { | |
ec2.runInstances({ | |
ImageId: imageId, | |
MinCount: count, | |
MaxCount: count, | |
KeyName: keyPair, | |
SecurityGroups: [securityGroup], | |
InstanceType: instanceType | |
}, function(err, data) { | |
if(err) { | |
console.error(err.toString()); | |
} else { | |
for(var i in data.Instances) { | |
var instance = data.Instances[i]; | |
console.log('NEW:\t' + instance.InstanceId); | |
} | |
} | |
}); | |
} | |
function terminateInstance(instanceId) { | |
ec2.terminateInstances({ InstanceIds: [instanceId] }, function(err, data) { | |
if(err) { | |
console.error(err.toString()); | |
} else { | |
for(var i in data.TerminatingInstances) { | |
var instance = data.TerminatingInstances[i]; | |
console.log('TERM:\t' + instance.InstanceId); | |
} | |
} | |
}); | |
} |
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How i identify the creation of AWS ec2 instance ....? May i differ between the ec2 instance creation and running state..?