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Provisioning devices

Red Hat Edge Manager 1.1

Provisioning Red Hat Edge Manager devices

Red Hat Edge Manager Documentation Team

Abstract

This document provides information about Provisioning Red Hat Edge Manager devices

Chapter 1. Provisioning devices
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  • You can provision devices with the Red Hat Edge Manager in different environments. Use the operating system image or disk image that you built for use with the Red Hat Edge Manager and depending on your target environment, provision a physical or virtual device. Images created with the simplified image building workflow can be used for provisioning.
  • When you install a bootc image from the Software Catalog to a device that is not yet enrolled, the Flight Control web console can provide scenario-specific provisioning guidance and links to download the required artifacts (for example, ISO or QCow2). Use that guidance together with the procedures below.

Required access: Cluster administrator

See the following documentation:

1.1. Provisioning physical devices
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  • When you build an ISO disk image from an operating system image by using the bootc-image-builder tool, the image is similar to the RHEL ISOs available for download. However, your operating system image content is embedded in the ISO disk image.

To install the ISO disk image to a bare metal system without having access to the network, see Deploying a custom ISO container image.

For information about installing the ISO through the network, see Deploying an ISO bootc image over PXE boot.

  • You can provision a virtual machine on OpenShift Virtualization by using a QCoW2 container disk image that is hosted on an OCI container registry.

If your operating system image does not already contain the Red Hat Edge Manager agent enrollment configuration, you can inject the configuration through the cloud-init user data at provisioning.

For more information, see the Additional resources section.

1.2.1. Prerequisites
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  • You installed the flightctl CLI and logged in to your Red Hat Edge Manager service instance.
  • You installed the oc CLI, used it to log in to your OpenShift cluster instance, and changed to the project in which you want to create your virtual machine.

1.2.2. Creating the cloud-init configuration
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To create the cloud-init configuration, complete the following steps:

  1. Request a new Red Hat Edge Manager agent enrollment configuration and store it in a file called config.yaml. Run the following command: 

    flightctl certificate request --signer=enrollment --expiration=365d --output=embedded > config.yaml

  2. Create a cloud configuration user data file called cloud-config.yaml that places the agent configuration in the correct location on the first boot. Run the following command: 

    cat <<EOF > cloud-config.yaml
#cloud-config
write_files:
- path: /etc/flightctl/config.yaml
  content: $(cat config.yaml | base64 -w0)
  encoding: b64
EOF

  3. Create a Kubernetes Secret that contains the cloud configuration user data file: 

    oc create secret generic enrollment-secret --from-file=userdata=cloud-config.yaml

1.2.3. Creating the virtual machine
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Create a virtual machine that has its primary disk populated from your QCoW2 container disk image and a cloud-init configuration drive that is populated from your enrollment secret. Complete the following steps:

  1. Create a file that contains a the VirtualMachine resource manifest by running the following command: 

    cat <<EOF > my-bootc-vm.yaml
apiVersion: kubevirt.io/v1
kind: VirtualMachine
metadata:
  name: my-bootc-vm
spec:
  runStrategy: RerunOnFailure
  template:
    spec:
      domain:
        cpu:
          cores: 1
        memory:
          guest: 1024M
        devices:
          disks:
            - name: containerdisk
              disk:
                bus: virtio
            - name: cloudinitdisk
              disk:
                bus: virtio
      volumes:
        - name: containerdisk
          containerDisk:
            image: ${OCI_DISK_IMAGE_REPO}:${OCI_IMAGE_TAG}
        - name: cloudinitdisk
          cloudInitConfigDrive:
            secretRef:
              name: enrollment-secret
EOF

  2. Apply the resource manifest to your cluster by running the following command: 

    oc apply -f my-bootc-vm.yaml

1.2.4. Additional resources
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