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* feat: add --write-output flag to helmfile fetch for air-gapped environments Add --write-output flag to helmfile fetch that outputs a modified helmfile.yaml with chart references updated to point to downloaded local chart paths. Combined with --output-dir, this enables preparing all charts for deployment in air-gapped environments. Usage: helmfile fetch --output-dir ./charts --write-output > helmfile-airgapped.yaml Fixes #2571 Signed-off-by: yxxhero <yxxhero@users.noreply.github.com> Signed-off-by: yxxhero <aiopsclub@163.com> * docs: restructure documentation and improve newcomer experience Split the monolithic index.md (1990 lines) into focused topic pages, update mkdocs.yml navigation, and add missing documentation for undocumented code features. Structure changes: - Extract configuration.md (helmfile.yaml reference) - Extract cli.md (CLI commands and flags) - Extract templating.md (template syntax and env vars) - Extract environments.md (environment configuration) - Extract releases.md (DAG, needs, selectors) - Extract hooks.md (lifecycle hooks) - Extract integrations.md (ArgoCD, Azure ACR, OCI) - Slim index.md to ~270 line landing page with step-by-step tutorial Newcomer improvements: - Add 5-step Getting Started tutorial with explanations - Reorganize nav: Getting Started now shows core learning path (Writing Helmfile → Values → Environments → Releases) - Add Quick Reference table to configuration.md - Simplify writing-helmfile.md title Code-vs-docs gap fixes: - Document 23 undocumented release fields (valuesTemplate, setTemplate, forceNamespace, adopt, trackMode, etc.) - Document 6 undocumented helmDefaults fields (enableDNS, forceConflicts, skipRefresh, takeOwnership, etc.) - Document print-env command and missing CLI flags - Document kubectlApply hook field - Document environment defaults field and merge order - Document kubedogQPS/kubedogBurst advanced settings - Document template partials (_*.tpl) auto-loading Cleanup: - Fix Docker image version from v0.156.0 to v1.1.0 - Fix heading nesting in advanced-features.md - Update experimental-features.md with current features - Fix broken cross-references and anchor links Signed-off-by: yxxhero <aiopsclub@163.com> * Revert changes to pkg/app from docs/restructure-and-improve branch Signed-off-by: yxxhero <aiopsclub@163.com> * docs: add create subcommand to README and CLI reference Signed-off-by: yxxhero <aiopsclub@163.com> --------- Signed-off-by: yxxhero <yxxhero@users.noreply.github.com> Signed-off-by: yxxhero <aiopsclub@163.com>
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Experimental Features
This document describes the experimental features that are available in Helmfile.
Any experimental feature may be removed or changed in a future release without notice.
Enable experimental features with the environment variable:
# Enable all experimental features
export HELMFILE_EXPERIMENTAL=true
# Enable a specific feature
export HELMFILE_EXPERIMENTAL=explicit-selector-inheritance
explicit-selector-inheritance
By default, CLI selectors (e.g., helmfile -l name=myapp sync) are inherited by sub-helmfiles. This experimental feature changes the behavior so that sub-helmfiles without explicit selectors do not inherit selectors from their parent or the CLI.
When enabled:
- Sub-helmfiles without
selectorsdo not inherit parent/CLI selectors - Use
selectorsInherited: trueon a sub-helmfile to explicitly opt into inheriting selectors selectors: []selects all releases (same as current behavior)
See Selectors and needs for detailed examples.
HCL helmfile-values-file support
HCL language is supported for environment values files (.hcl suffix). This was introduced as experimental in PR #1423 and is now a stable feature. See Environments for details.