ytt.vim
kapp-controller
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| ytt.vim | kapp-controller | |
|---|---|---|
| 1 | 5 | |
| 6 | 254 | |
| - | 3.5% | |
| 0.0 | 8.7 | |
| 8 months ago | 8 days ago | |
| Vim Script | Go | |
| Apache License 2.0 | Apache License 2.0 |
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ytt.vim
kapp-controller
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Helm is both "package manager" and "templating engine" - probably the best package manager but horrible template engine
We use kapp-controller when applying our charts (it uses helm template instead of helm install) so we can be very rigorous about what fields are changeable (like through pod autoscaling) and what are not (securitycontext, etc.)
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How to handle the lifecycle of multiple COTS
Even further, you could describe your "fetch", "template", and "deploy" stages in akapp-controller AppCR and then you'd have a controller (like an operator) running the cluster continuously reconciling your private cloud to ensure that it's always reconverging to the desired state. This is basically what's underpinning a number of VMWare's commercial (and OSS) Tanzu offerings, as well as some other organization's internal platforms, or "self hosted private clouds"
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ArgoCD vs. crossplane-helm provider for managing helm releases?
Full disclosure: I work on https://carvel.dev/kapp-controller/ which can also continuously reconcile helm charts (via our own CRD ).
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Deployment Packaging Solutions
kapp-controller
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Deploy Neo4J's APOC plugin with code thanks to CARVEL vendir
kapp-controller - Capture application deployment workflow in App CRD. Reliable GitOps experience powered by kapp.
What are some alternatives?
vendir - Easy way to vendor portions of git repos, github releases, helm charts, docker image contents, etc. declaratively
cnab-spec - Cloud Native Application Bundle Specification
terraform-provider-carvel - Carvel Terraform provider with resources for ytt and kapp to template and deploy to Kubernetes
kapp - kapp is a simple deployment tool focused on the concept of "Kubernetes application" — a set of resources with the same label
carvel - Carvel provides a set of reliable, single-purpose, composable tools that aid in your application building, configuration, and deployment to Kubernetes. This repo contains information regarding the Carvel open-source community.
asdf - k14s asdf plugin
imgpkg - Store application configuration files in Docker/OCI registries
ytt-library-for-kubernetes - ytt (https://github.com/k14s/ytt) library that includes reusable K8s components (app, ...)
ytt - YAML templating tool that works on YAML structure instead of text
secretgen-controller - secretgen-controller provides CRDs to specify what secrets need to be on Kubernetes cluster (to be generated or not)