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open-nomad/e2e/terraform/packer/README.md
Tim Gross efbd680d4e
e2e: split Packer build scripts from TF provisioning (#6542) 
Make a clear split between Packer and Terraform provisioning steps:
the scripts in the `packer/linux` directory are run when we build the
AMI whereas the stuff in shared are run at Terraform provisioning time.

Merging all runtime provisioning scripts into a single script for each
of server/client solves the following:

* Userdata scripts can't take arguments, they can only be templated
  and that means we have to do TF escaping in bash/powershell scripts.
* TF provisioning scripts race with userdata scripts.
2019-10-25 08:08:24 -04:00

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Packer Builds

These builds are run as-needed to update the AMIs used by the end-to-end test infrastructure.

What goes here?

  • steps that aren't specific to a given Nomad build: ex. all Linux instances need jq and awscli.
  • steps that aren't specific to a given EC2 instance: nothing that includes an IP address.
  • steps that infrequently change: the version of Consul or Vault we ship.

Running Packer builds

$ packer --version
1.4.4

# build linux AMI
$ packer build packer.json