failed to render output template using nomad-pack run command

[ruslan-y]

Hi there!

We updated to nomad-pack version 0.1.2 and now we're getting the error:

  Job 'example-job' in pack deployment 'example' registered successfully
Pack successfully deployed. Use ./packs/example to manage this deployed instance with plan, stop, destroy, or info
! Failed To Render Output Template
!   Error: failed to render outputs.tpl: template: outputs.tpl:1:6: executing "outputs.tpl" at <.my.job_name>: nil pointer evaluating parser.PackContextable.job_name
!   Context:
!     Pack Name: example
Cleaning up project directory and file based variables

ERROR: Job failed: exit code 1

Meanwhile the deployment is going well.

The problem does not occur when calling nomad-pack render --parser-v1, but does occur when calling nomad-pack run --parser-v1
This has been present in nomad-pack since version 0.1.0, in which the --parser-v1 flag appeared.

Сontents of the outputs.tpl file:

[[ .my.job_name ]]:[[ .my.version ]] has been successfully deployed.

There are [[ .my.count ]] instances of your job now running on Nomad in [[ .my.namespace ]] namespace.

[slonopotamus]

You need to use new syntax instead of .my.blabla.

[betterthanbreakfast]

You need to use new syntax instead of .my.blabla.

As mentioned above, we use --parser-v1 flag to render using old parser to keep back-compatibility for packs, that currently in update queue for new render engine.

[slonopotamus]

Oh, sorry, I misread your message where you said that render works but run doesn't.

[jrasell]

Hi @betterthanbreakfast and thanks for raising this issue. It seems the RenderOutput() function needs to check the parser version and use the appropriate context format in a similar manner to how prepareFiles() works. The output file is only processed currently on run calls and not render calls, which explains why you're seeing this problem only manifest in certain CLI commands. I'll get this roadmapped on our backlog.