kube-score
polaris
kube-score | polaris | |
---|---|---|
8 | 11 | |
2,588 | 3,096 | |
- | 0.6% | |
8.0 | 6.8 | |
23 days ago | 22 days ago | |
Go | Go | |
MIT License | Apache License 2.0 |
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kube-score
- GitHub - zegl/kube-score: Kubernetes object analysis with recommendations for improved reliability and security
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What should readiness & liveness probe actually check for?
This is taken from: https://github.com/zegl/kube-score/blob/master/README_PROBES.md and I have read the same opinions elsewhere.
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How do you take care of your manifests?
A developer's workflow should anyway deploy to a real, or close-to-production Kubernetes cluster before opening a merge request with the finished change. That means the developer definitely sees upfront if the manifest is super wrong. Tools like kube-score (which is quite opinionated), kubeval or OPA rules can help in addition to keep things consistent and secure. For such a developer workflow, I recommend Skaffold since it mostly just wraps Docker, kubectl and the templating tool you're using (e.g. kustomize/helm).
- Kube-Score v1.14
- kube-score v1.14 – Kubernetes object analysis with recommendations for improved reliability and security
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Securing Kubernetes Deployments
apps/v1/Deployment semaphore-demo-ruby-kubernetes 💥 [CRITICAL] Container Resources · semaphore-demo-ruby-kubernetes -> CPU limit is not set Resource limits are recommended to avoid resource DDOS. Set resources.limits.cpu · semaphore-demo-ruby-kubernetes -> Memory limit is not set Resource limits are recommended to avoid resource DDOS. Set resources.limits.memory · semaphore-demo-ruby-kubernetes -> CPU request is not set Resource requests are recommended to make sure that the application can start and run without crashing. Set resources.requests.cpu · semaphore-demo-ruby-kubernetes -> Memory request is not set Resource requests are recommended to make sure that the application can start and run without crashing. Set resources.requests.memory [CRITICAL] Container Image Pull Policy · semaphore-demo-ruby-kubernetes -> ImagePullPolicy is not set to Always It's recommended to always set the ImagePullPolicy to Always, to make sure that the imagePullSecrets are always correct, and to always get the image you want. [CRITICAL] Pod NetworkPolicy · The pod does not have a matching NetworkPolicy Create a NetworkPolicy that targets this pod to control who/what can communicate with this pod. Note, this feature needs to be supported by the CNI implementation used in the Kubernetes cluster to have an effect. [CRITICAL] Pod Probes · Container is missing a readinessProbe A readinessProbe should be used to indicate when the service is ready to receive traffic. Without it, the Pod is risking to receive traffic before it has booted. It's also used during rollouts, and can prevent downtime if a new version of the application is failing. More information: https://github.com/zegl/kube-score/blob/master/README_PROBES.md [CRITICAL] Container Security Context · semaphore-demo-ruby-kubernetes -> Container has no configured security context Set securityContext to run the container in a more secure context. v1/Service semaphore-demo-ruby-kubernetes-lb ✅
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Top 20 useful k8s tools
Link : https://github.com/zegl/kube-score
polaris
- Is OPA Gatekeeper the best solution for writing policies for k8s clusters?
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Securing Kubernetes clusters using OSS tools
I'll also plug Polaris as a way to monitor and enforce best practices for Deployments, StatefulSets, and other developer-controlled resources.
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All about Komodor :- A Kubernetes Troubleshooting Platform and more
It's open source repository is https://github.com/FairwindsOps/polaris
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Monthly: Who is hiring?
Come help us build great open source and commercial software for Kubernetes! You may know us from projects like Polaris and Goldilocks. We're building an inclusive, learning-driven, remote-first culture and are looking to grow our team.
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Top 6 Kubernetes Security Tools
Here's a link to Polaris on Github
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NSA Kubernetes Hardening Guidance [pdf]
so... a lot of this can be done with Fairwind's OSS tool Polaris... https://github.com/FairwindsOps/polaris
feels good that we've been addressing this for a bit already tbh.
- Show HN: Polaris 4.0 – Policy for Kubernetes Resources
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Looking for k8s security tools that run outside of the cluster
Polaris has various tools that run inside and outside your cluster: https://github.com/FairwindsOps/polaris
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An automatic diagnostic tool for Kubernetes cluster
KubeEye is an open-source diagnostic tool for identifying various Kubernetes cluster issues automatically, such as misconfigurations, unhealthy components and node failures. It empowers cluster operators to manage and troubleshoot clusters in a timely and graceful manner. Developed in Go on the basis of Polaris and Node Problem Detector, KubeEye is equipped with a series of built-in rules for exception detection. Besides pre-defined rules, KubeEye also supports customized rules.
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Top 20 useful k8s tools
Link : https://github.com/FairwindsOps/polaris
What are some alternatives?
popeye - 👀 A Kubernetes cluster resource sanitizer
datree - Prevent Kubernetes misconfigurations from reaching production (again 😤 )! From code to cloud, Datree provides an E2E policy enforcement solution to run automatic checks for rule violations. See our docs: https://hub.datree.io
kubeconform - A FAST Kubernetes manifests validator, with support for Custom Resources!
gatekeeper - 🐊 Gatekeeper - Policy Controller for Kubernetes
kubeval - Validate your Kubernetes configuration files, supports multiple Kubernetes versions
kube-bench - Checks whether Kubernetes is deployed according to security best practices as defined in the CIS Kubernetes Benchmark
polaris - Shopify’s design system to help us work together to build a great experience for all of our merchants.
kube-no-trouble - Easily check your clusters for use of deprecated APIs
stern - ⎈ Multi pod and container log tailing for Kubernetes
opa-image-scanner - Kubernetes Admission Controller for Image Scanning using OPA