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| .. | ||
| best_practices | ||
| more | ||
| AddDefaultNetworkPolicy.md | ||
| AddNamespaceResourceQuota.md | ||
| AddSafeToEvict.md | ||
| CheckUserGroup.md | ||
| DisallowBindMounts.md | ||
| DisallowDefaultNamespace.md | ||
| DisallowDockerSockMount.md | ||
| DisallowHelmTiller.md | ||
| DisallowHostNetworkPort.md | ||
| DisallowHostPIDIPC.md | ||
| DisallowLatestTag.md | ||
| DisallowNewCapabilities.md | ||
| DisallowPrivilegedContainers.md | ||
| DisallowRootUser.md | ||
| DisallowSysctls.md | ||
| README.md | ||
| RequirePodProbes.md | ||
| RequirePodRequestsLimits.md | ||
| RequireReadOnlyRootFS.md | ||
| RestrictAutomountSAToken.md | ||
| RestrictImageRegistries.md | ||
| RestrictIngressClasses.md | ||
| RestrictNodePort.md | ||
Sample Policies
Sample policies are designed to be applied to your Kubernetes clusters with minimal changes. To apply these policies to your cluster, install Kyverno and import the policies as follows:
Install Kyverno
kubectl create -f https://github.com/nirmata/kyverno/raw/master/definitions/install.yaml
Apply Kyverno Policies
To start applying policies to your cluster, first clone the repo:
git clone https://github.com/nirmata/kyverno.git
cd kyverno
Import best_practices from here:
kubectl create -f samples/best_practices
Import addition policies from here:
kubectl create -f samples/more/
The policies are mostly validation rules in audit mode i.e. your existing workloads will not be impacted, but will be audited for policy complaince.
Best Practice Policies
These policies are highly recommended.
- Disallow root user
- Disallow privileged containers
- Disallow new capabilities
- Disallow kernel parameter changes
- Disallow use of bind mounts (
hostPathvolumes) - Disallow docker socket bind mount
- Disallow
hostNetworkandhostPort - Disallow
hostPIDandhostIPC - Disallow use of default namespace
- Disallow latest image tag
- Disallow Helm Tiller
- Require read-only root filesystem
- Require pod resource requests and limits
- Require pod
livenessProbeandreadinessProbe - Add default network policy
- Add namespace resource quotas
- Add
safe-to-evictfor pods withemptyDirandhostPathvolumes
Additional Policies
The policies provide additional best practices and are worthy of close consideration. These policies may require specific changes for your workloads and environments.