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Uploading the LxCIPtable VNF Image for a Centralized Deployment

 

You use this process to make the LxCIPtable VNF available in a centralized deployment.

To create an LxCIPtable Image:

  1. At http://cloud-images.ubuntu.com/releases/14.04/release/, determine the appropriate Ubuntu cloud image for your Contrail controller node.
  2. Download the appropriate Ubuntu cloud image to the Contrail controller node.

    For example:

    root@host:/# cd /tmp
    root@host:/tmp# wget http://cloud-images.ubuntu.com/releases/14.04/release/ubuntu-14.04-server-cloudimg-amd64-disk1.img
  3. On the Contrail controller node, upload the Ubuntu image into the Glance software.
    root@host:/# glance image-create --name IPtables --is-public True --container-format bare --disk-format qcow2 < ubuntu-14.04-server-cloudimg-amd64-disk1.img

  4. In a local directory on the Contrail OpenStack node, create a metadata file for the image. For example:
    root@host:~/images# cat user-data.txt
    #cloud-config
    password: <PASSWORD>
    chpasswd: { expire: False }
    ssh_pwauth: True
  5. Create an instance of the image called IPtable-temp in this directory.
    root@host:~/images# nova boot --flavor m1.medium --user-data=./user-data.txt --image IPtables IPtable-temp --nic net-id=<management network id>

  6. From the OpenStack GUI, log in to the instance with the username ubuntu and the password specified in the user-data file.
  7. Customize the instance.

    1. Set the root password to the value passw0rd. For example:Caution

      You must use the value passw0rd for the LxCIPtable VNF to operate correctly.

      ubuntu@iptable-temp:~$sudo passwd root
    2. In the file /etc/ssh/sshd_config, specify the following setting:
    3. Restart the service.

      service ssh restart

    4. In the file /etc/network/interfaces, modify the eth0, eth1, and eth2 settings as follows:
    5. Verify that IPtables is active.

      service ufw status

  8. Take a snapshot of the OpenStack Instance.

    1. Close the instance.

      sudo shutdown -h now

    2. From the OpenStack Instances page, select Create Snapshot for this instance, and specify the Name as LxcImg.
    3. Delete the temporary instance that you created in Step 5.