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* test: add integration test for issue #2291 with all fixes Add comprehensive integration test for issue #2291 that validates CRD preservation when using strategicMergePatches with chartify. Problem: When using strategicMergePatches, chartify was relocating CRDs from templates/crds/ to root crds/ directory, changing how Helm manages them. This caused helm diff to incorrectly show CRDs as being removed, even though they were still present. Solution: Chartify now preserves the original CRD location in templates/crds/. This integration test validates the fix by: 1. Templating a chart with CRDs in templates/crds/ 2. Applying the chart with strategicMergePatches 3. Verifying CRD is installed 4. Running helm diff to ensure CRD is NOT marked for removal 5. Verifying the strategic merge patch was applied Additional fixes included in this commit: - Fixed grep command error when matching YAML deletion patterns - Updated expected test output for Helm 4 diff behavior - Fixed EXIT trap interference between test cases - Added --plain-http flag for Helm 4 OCI registry compatibility - Ensured CRD templates are valid (cluster-scoped, no namespace) - Fixed strategic merge patch namespace matching Test coverage: - CRD preservation in templates/crds/ subdirectory - Strategic merge patch application - Helm diff behavior with CRDs - Integration with chartify kustomize processing Fixes #2291 Signed-off-by: Aditya Menon <amenon@canarytechnologies.com> * switch chartify package to upstream one Signed-off-by: Aditya Menon <amenon@canarytechnologies.com> * implement copilot suggestion Signed-off-by: Aditya Menon <amenon@canarytechnologies.com> --------- Signed-off-by: Aditya Menon <amenon@canarytechnologies.com> |
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README.md
Helmfile
Deploy Kubernetes Helm Charts
English | 简体中文
About
Helmfile is a declarative spec for deploying helm charts. It lets you...
- Keep a directory of chart value files and maintain changes in version control.
- Apply CI/CD to configuration changes.
- Periodically sync to avoid skew in environments.
To avoid upgrades for each iteration of helm, the helmfile executable delegates to helm - as a result, the following must be installed
Highlights
Declarative: Write, version-control, apply the desired state file for visibility and reproducibility.
Modules: Modularize common patterns of your infrastructure, distribute it via Git, S3, etc. to be reused across the entire company (See #648)
Versatility: Manage your cluster consisting of charts, kustomizations, and directories of Kubernetes resources, turning everything to Helm releases (See #673)
Patch: JSON/Strategic-Merge Patch Kubernetes resources before helm-installing, without forking upstream charts (See #673)
Status
May 2025 Update
- Helmfile v1.0 and v1.1 has been released. We recommend upgrading directly to v1.1 if you are still using v0.x.
- If you haven't already upgraded, please go over this v1 proposal here to see a small list of breaking changes.
Installation
1: Binary Installation
download one of releases
2: Package Manager
- Archlinux: install via
pacman -S helmfile - openSUSE: install via
zypper in helmfileassuming you are on Tumbleweed; if you are on Leap you must add the kubic repo for your distribution version once before that command, e.g.zypper ar https://download.opensuse.org/repositories/devel:/kubic/openSUSE_Leap_\$releasever kubic - Windows (using scoop):
scoop install helmfile - macOS (using homebrew):
brew install helmfile
3: Container
For more details, see run as a container
Make sure to run
helmfile initonce after installation. Helmfile uses the helm-diff plugin.
Getting Started
Let's start with a simple helmfile and gradually improve it to fit your use-case!
Suppose the helmfile.yaml representing the desired state of your helm releases looks like:
repositories:
- name: prometheus-community
url: https://prometheus-community.github.io/helm-charts
releases:
- name: prom-norbac-ubuntu
namespace: prometheus
chart: prometheus-community/prometheus
set:
- name: rbac.create
value: false
Sync your Kubernetes cluster state to the desired one by running:
helmfile apply
Congratulations! You now have your first Prometheus deployment running inside your cluster.
Iterate on the helmfile.yaml by referencing:
More complex examples
See: multi-env-helmfile
Docs
Please read complete documentation
Contributing
Welcome to contribute together to make helmfile better: contributing doc
Attribution
We use:
- semtag for automated semver tagging. I greatly appreciate the author(pnikosis)'s effort on creating it and their kindness to share it!
Users
Helmfile has been used by many users in production:
For more users, please see: Users