kamaji
gatekeeper-library
kamaji | gatekeeper-library | |
---|---|---|
6 | 8 | |
843 | 603 | |
7.9% | 0.5% | |
8.7 | 8.8 | |
7 days ago | 7 days ago | |
Go | Open Policy Agent | |
Apache License 2.0 | Apache License 2.0 |
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kamaji
- Running Kubernetes at scale, like EKS/AKS/GKE, on any infrastructure
- FLaNK Stack Weekly 22 January 2024
- Kamaji: The Kubernetes Control Plane Manager
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Multi-tenancy in Kubernetes
Kamaji
- Kamaji: Build and operate Kubernetes at scale with a fraction operational burden
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How we reduced Kubernetes Clusters Sprawl by adopting Vclusters: An Introduction
Just found out that the creator of Capsule is working on a similar solution as Vcluster: https://github.com/clastix/kamaji
gatekeeper-library
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Multi-tenancy in Kubernetes
Here is a library or rules for the Open Policy Agent.
- open-policy-agent/gatekeeper-library: The OPA Gatekeeper policy library.
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Security scanning of k8s manifest files vs running cluster
https://github.com/open-policy-agent/gatekeeper-library is the library of OPA Gatekeeper policies.
- OPA Rego is ridiculously confusing - best way to learn it?
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Container security best practices: Comprehensive guide
Many more examples are available in the OPA Gatekeeper library project!
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Expose Open Policy Agent/Gatekeeper Constraint Violations for Kubernetes Applications with Prometheus and Grafana
by default and exposes metrics on path ```/metrics``` . It can run locally on your development box as long as you have a valid Kubernetes configuration in your home folder (i.e. if you can run kubectl and have the right permissions). When running on the cluster a ```incluster``` parameter is passed in so that it knows where to look up for the cluster credentials. Exporter program connects to Kubernetes API every 10 seconds to scrape data from Kubernetes API. We've used [this](https://medium.com/teamzerolabs/15-steps-to-write-an-application-prometheus-exporter-in-go-9746b4520e26) blog post as the base for the code. ## Demo Let's go ahead and prepare our components so that we have a Grafana dashboard to show us which constraints have been violated and how the number of violations evolve over time. ### 0) Required tools - [Git](https://git-scm.com/downloads): A git cli is required to checkout the repo and - [Kubectl](https://kubernetes.io/docs/tasks/tools/) and a working K8S cluster - [Ytt](https://carvel.dev/ytt/): This is a very powerful yaml templating tool, in our setup it's used for dynamically overlaying a key/value pair in all constraints. It's similar to Kustomize, it's more flexibel than Kustomize and heavily used in some [Tanzu](https://tanzu.vmware.com/tanzu) products. - [Kustomize](https://kustomize.io/): Gatekeeper-library relies on Kustomize, so we need it too. - [Helm](https://helm.sh/): We will install Prometheus and Grafana using helm - Optional: [Docker](https://www.docker.com/products/docker-desktop): Docker is only optional as we already publish the required image on dockerhub. ### 1) Git submodule update Run ```git submodule update --init``` to download gatekeeper-library dependency. This command will download the [gatekeeper-library](https://github.com/open-policy-agent/gatekeeper-library) dependency into folder ```gatekeeper-library/library``` . ### 2) Install OPA/Gatekeeper If your K8S cluster does not come with Gatekeeper preinstalled, you can use install it as explained [here](https://open-policy-agent.github.io/gatekeeper/website/docs/install/). If you are familiar with helm, the easiest way to install is as follows: ```bash helm repo add gatekeeper https://open-policy-agent.github.io/gatekeeper/charts helm install gatekeeper/gatekeeper --generate-name
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Who is doing image scanning on an admission controller? (Open source)
Gatekeeper library has example policies for restricting image repositories: https://github.com/open-policy-agent/gatekeeper-library/tree/master/library/general
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Mental models for understanding Kubernetes Pod Security Policy PSP
You should check out the Gatekeeper project. There's plenty of templates available for use without having to write a single line of rego for most use cases (e.g https://github.com/open-policy-agent/gatekeeper-library)
What are some alternatives?
capsule - Multi-tenancy and policy-based framework for Kubernetes.
OPA (Open Policy Agent) - Open Policy Agent (OPA) is an open source, general-purpose policy engine.
clusterpedia - The Encyclopedia of Kubernetes clusters
opa-scorecard
Kubernetes-Certified-Administrator - Online resources that will help you prepare for taking the CNCF CKA 2020 "Kubernetes Certified Administrator" Certification exam. with time, This is not likely the comprehensive up to date list - please make a pull request if there something that should be added here.
helm-charts - Prometheus community Helm charts
kubesphere - The container platform tailored for Kubernetes multi-cloud, datacenter, and edge management ⎈ 🖥 ☁️
conftest - Write tests against structured configuration data using the Open Policy Agent Rego query language
k3s-aws-terraform-cluster - Deploy an high available K3s cluster on Amazon AWS
tfsec - Security scanner for your Terraform code
k3sup - bootstrap K3s over SSH in < 60s 🚀
opa-image-scanner - Kubernetes Admission Controller for Image Scanning using OPA