HAB_FEAT_IGNORE_LOCAL is not honored with hab pkg build --docker

[tduffield]

When running hab pkg build --docker on Ubuntu 16.04, the HAB_FEAT_IGNORE_LOCAL environment variable is injected into the studio, but it is not honored.

Here is the output from a Linux chroot build (hab pkg build):

   hab-studio: Exported: HAB_AUTH_TOKEN=[redacted]
   hab-studio: Exported: HAB_ORIGIN=chef
   hab-studio: Exported: HAB_BLDR_CHANNEL=expeditor-chef-a2-master
   hab-studio: Exported: HAB_NONINTERACTIVE=true
   hab-studio: Exported: HAB_FEAT_IGNORE_LOCAL=[redacted]
   hab-studio: Exported: GITHUB_TOKEN=[redacted]
∅ Enabling feature: IgnoreLocal

Here is the output from a Docker build (hab pkg build --docker):

   hab-studio: Exported: HAB_AUTH_TOKEN=[redacted]
   hab-studio: Exported: HAB_ORIGIN=chef
   hab-studio: Exported: HAB_BLDR_CHANNEL=expeditor-chef-a2-master
   hab-studio: Exported: HAB_FEAT_IGNORE_LOCAL=[redacted]
   hab-studio: Exported: GITHUB_TOKEN=[redacted]
   : Loading /src/components/authz-service/habitat/plan.sh
   authz-service: Plan loaded

I have full logs available, but they are hidden behind the ChefVPN.

[stevendanna]

I'm guessing this is because in the chroot you inhereit the entire environment since you end up in a child process of your original shell process but with docker we only pass through HAB_STUDIO_SECRET_ prefixed vars

[tduffield]

@stevendanna I am passing it via HAB_STUDIO_SECRET_HAB_FEAT_IGNORE_LOCAL

[stevendanna]

@tduffield OIC! Definitely looks like a bug then, thanks for clarifying!

[elliott-davis]

There is a workaround for this in 0.64.0 e6db9a4. However, the full fix would be to allow HAB_FEAT_ like https://github.com/habitat-sh/habitat/blob/master/components/hab/src/command/studio/docker.rs#L100-L104

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[stevendanna]

On 1.5.71, this now works assuming you are using HAB_STUDIO_SECRET_HAB_FEATURE_INGORE_LOCAL. It doesn't work with just HAB_FEAT_INGORE_LOCAL as far as I can tell because we don't appear to have special handling for HAB_FEAT_ env variables for docker studios.

Given that, I think we can close this in favor of #5274

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