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ECSのECSとコンテナのオートスケール

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はじめに

ECSのオートスケールで、コンテナのスケールと、コンテナが動いているEC2のスケールで、どっちがスケールするのか良く分からずでハマったので、方法をメモ的に残しておきます。

ECSのEC2のオートスケール

const AWS = require('aws-sdk');

//EC2を3台起動
const params = {
AutoScalingGroupName: "your-auto-scale-group",
MaxSize: 3,
MinSize: 3
};

const autoscaling = new AWS.AutoScaling();
autoscaling.updateAutoScalingGroup(params, function (err, data) {
  if (err) {
    console.log(err, err.stack); // an error occurred
  } else {
    console.log(data);           // successful response
  }
})
});

ECS のコンテナのオートスケール

const AWS = require('aws-sdk');
var ecs = new AWS.ECS();

// EC2上のコンテナを3つ起動
var params = {
  service: 'your-service-name',
  cluster: 'your-cluster-name',
  desiredCount: 3,
};
ecs.updateService(params, function(err, data) {
  if (err) {
    console.log(err, err.stack); // an error occurred
  } else {
     console.log(data);           // successful response
  }
});
ori3
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