vals を Homebrew でインストール

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• vals

プロジェクトの歴史

`vals` is a small Helmfile-adjacent utility for resolving configuration values and secrets from external systems. The GitHub repository was created on August 10, 2019, and the README presents it as a tool for managing configuration values and secrets, with URI-style `ref+...` references that can be evaluated in YAML or JSON documents.

採用の歴史

Its niche is Kubernetes deployment configuration rather than general secret management. The README documents backends such as Vault, AWS SSM Parameter Store, AWS Secrets Manager, SOPS-encrypted files, GCP Secret Manager, 1Password, Kubernetes, Terraform state, and several newer secret stores. Helmfile's own documentation treats vals as the remote-secret/value import path: Helmfile can import configuration parameters from AWS SSM, AWS Secrets Manager, Vault, SOPS, and the broader vals backend list.

使われ方

Typical usage is to keep references such as `ref+vault://...` or `ref+awsssm://...` in values files, then run `vals eval -f file.yaml` to render concrete values, `vals exec -f env.yaml -- command` to populate environment variables for a subprocess, or let Helmfile template functions fetch or expand those refs during release rendering. The tool is therefore most visible in GitOps and Helm workflows where teams want charts and state files to remain declarative without committing secret material.

ソース

• https://api.github.com/repos/helmfile/vals
• https://github.com/helmfile/vals#readme
• https://helmfile.readthedocs.io/en/latest/advanced-features/
• https://helmfile.readthedocs.io/en/latest/remote-secrets/