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# Kubernetes-NMState Declarative node network configuration driven through Kubernetes API ## How it works Kubernetes-NMState uses [NMState](https://nmstate.io) to perform state driven network configuration on cluster nodes and to report back their current state. Both the configuration and reporting is controlled vis Kubernetes objects. ```yaml apiVersion: nmstate.io/v1beta1 kind: NodeNetworkConfigurationPolicy metadata: name: br1-eth0 spec: desiredState: interfaces: - name: br1 type: linux-bridge state: up ipv4: dhcp: true enabled: true bridge: port: - name: eth0 ``` The only external dependency is NetworkManager running on nodes.
Use the following instructions to get images from a Red Hat container registry using registry service account tokens. You will need to create a registry service account to use prior to completing any of the following tasks.
First, you will need to add a reference to the appropriate secret and repository to your Kubernetes pod configuration via an imagePullSecrets field.
Then, use the following from the command line or from the OpenShift Dashboard GUI interface.
Use the following command(s) from a system with podman installed
Use the following command(s) from a system with docker service installed and running
Use the following instructions to get images from a Red Hat container registry using your Red Hat login.
For best practices, it is recommended to use registry tokens when pulling content for OpenShift deployments.
Use the following command(s) from a system with podman installed
Use the following command(s) from a system with docker service installed and running
Source code is available for all Red Hat UBI-based images in the form of downloadable containers. Here are a few things you should know about Red Hat source containers.
Use skopeo to copy the source image to a local directory
Inspect the image
Untar the contents
Begin examining and using the content.