hashicorp/packer

actively count down time remaining on provisioner pause_before

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#9,691 opened on Jul 31, 2020

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coreenhancementhelp wanted

Description

Community Note

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Description

When pause_before is used in a provisioner, Packer currently prints that is it it pausing for the configured duration but emits no other information until the pause duration completes. It would be nice if Packer could interactively countdown the duration, so the user knows how much time is remaining in the pause.

Use Case(s)

Makes for a nicer build process since the user is aware Packer has not hung by virtue of the countdown being updated.

Potential configuration

N/A

Potential References

Contributor guide

Tech stack
go
Domain
cli
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
GoPacker provisioner basics
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
40
Research direction
Explore the provisioner implementation in Packer, likely under `provisioner/` directory. The `pause before` configuration is parsed and executed, probably in a common provisioner helper. Implement a countdown timer using `time.Ticker` to print remaining seconds to stdout. Check if any existing patterns for progress output exist in the codebase.
actively count down time remaining on provisioner pause_before 路 hashicorp/packer#9691 | Good First Issue