kube-score是一个对Kubernetes对象定义进行静态代码分析的工具
kube-score是一个对Kubernetes对象定义进行静态代码分析的工具。 输出是一个建议列表,其中包含可以改进的建议,以使您的应用程序更加安全和灵活。
Go 其它杂项
共922Star
详细介绍
kube-score
kube-score
is a tool that does static code analysis of your Kubernetes object definitions. The output is a list of recommendations of what you can improve to make your application more secure and resiliant.
Installation
Download
Pre-built releases can be downloaded from the Github Releases page, or from Docker Hub.
Building from source
kube-score
requires go in version 1.11.+
with go modules. To install kube-score
into you local gobin path run the following commands:
go get github.com/zegl/kube-score
cd $GOPATH/src/github.com/zegl/kube-score/
GO111MODULE=on go install github.com/zegl/kube-score/cmd/kube-score
Checks
- Container limits (should be set)
- Container image tag (should not be
:latest
) - Container image pull policy (should be
Always
) - Pod is targeted by a
NetworkPolicy
, both egress and ingress rules are recommended - Container probes, both readiness and liveness checks should be configured, and should not be identical
- Container securityContext, run as high number user/group, do not run as root or with privileged root fs
- Stable APIs, use a stable API if available (supported: Deployments, StatefulSets, DaemonSet)
Example output
Usage in CI
kube-score
can run in your CI/CD environment and will exit with exit code 1 if a critical error has been found. The trigger level can be changed to warning with the --exit-one-on-warning
argument.
The input to kube-score
should be all applications that you deploy to the same namespace for the best result.
Example with Helm
helm template my-app | kube-score -
Example with static yamls
kube-score my-app/*.yaml
kube-score my-app/deployment.yaml my-app/service.yaml
Configuration
Usage: kube-score [--flag1 --flag2] file1 file2 ...
Use "-" as filename to read from STDIN.
Usage of ./kube-score:
-exit-one-on-warning
Exit with code 1 in case of warnings
-help
Print help
-ignore-container-cpu-limit
Disables the requirement of setting a container CPU limit
-v Verbose output