Packer Concepts

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Revision as of 00:01, 1 August 2019 by Ovidiu (talk | contribs)
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External

Internal

Builder

A builder is responsible for creating machines and generating images from them for various platforms. There are separate builders for EC2, VMware, VirtualBox, etc. An example of AWS builder is "amazon-ebs".

Provisioner

A provisioner is a builtin method or an executor of some third party software (shell script, ansible-local, file) that installs and configures the machine image after the image has booted. A provisioner prepares the system for use by:

  • patching the kernel
  • installing patches
  • creating users