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Puppet Essentials by Felix Frank

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Preparing for autoscaling

One advantage of cloud computing over classic data center operations is its ability to minimize the cost for infrastructure. You usually don't need to overprovision your cloud server resources, because you can add instances on short notice. If your workload is fluctuating, predictably or not, you can potentially further minimize the infrastructure through autoscaling features. Let the cloud provider add and remove instances as the load increases and decreases again.

With the techniques you have learned already, you can make Puppet perform any required dynamic reconfiguration of the existing nodes and ensure adequate provisioning of the newly created instances. The latter can only work if Puppet can include new agents without ...

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