Install StarlingX Kubernetes on Virtual AIO-SX

This section describes the steps to install the StarlingX Kubernetes platform on a StarlingX R6.0 virtual All-in-one Simplex deployment configuration.

Install software on controller-0

In the last step of Prepare Host and Environment, the controller-0 virtual server ‘simplex-controller-0’ was started by the setup_configuration.sh command.

On the host, attach to the console of virtual controller-0 and select the appropriate installer menu options to start the non-interactive install of StarlingX software on controller-0.

Note

When entering the console, it is very easy to miss the first installer menu selection. Use ESC to navigate to previous menus, to ensure you are at the first installer menu.

virsh console simplex-controller-0

Make the following menu selections in the installer:

  1. First menu: Select ‘All-in-one Controller Configuration’

  2. Second menu: Select ‘Serial Console’

Wait for the non-interactive install of software to complete and for the server to reboot. This can take 5-10 minutes, depending on the performance of the host machine.

Bootstrap system on controller-0

On virtual controller-0:

  1. Log in using the username / password of “sysadmin” / “sysadmin”. When logging in for the first time, you will be forced to change the password.

    Login: sysadmin
Password:
Changing password for sysadmin.
(current) UNIX Password: sysadmin
New Password:
(repeat) New Password:

  2. External connectivity is required to run the Ansible bootstrap playbook.

    export CONTROLLER0_OAM_CIDR=10.10.10.3/24
export DEFAULT_OAM_GATEWAY=10.10.10.1
sudo ip address add $CONTROLLER0_OAM_CIDR dev enp7s1
sudo ip link set up dev enp7s1
sudo ip route add default via $DEFAULT_OAM_GATEWAY dev enp7s1

  3. Specify user configuration overrides for the Ansible bootstrap playbook.

    Ansible is used to bootstrap StarlingX on controller-0. Key files for Ansible configuration are:

    /etc/ansible/hosts

    The default Ansible inventory file. Contains a single host: localhost.

    /usr/share/ansible/stx-ansible/playbooks/bootstrap.yml

    The Ansible bootstrap playbook.

    /usr/share/ansible/stx-ansible/playbooks/host_vars/bootstrap/default.yml

    The default configuration values for the bootstrap playbook.

    sysadmin home directory ($HOME)

    The default location where Ansible looks for and imports user configuration override files for hosts. For example: $HOME/<hostname>.yml.

    Important

    Some Ansible bootstrap parameters cannot be changed or are very difficult to change after installation is complete.

    Review the set of install-time-only parameters before installation and confirm that your values for these parameters are correct for the desired installation.

    Refer to Ansible install-time-only parameters for details.

    Specify the user configuration override file for the Ansible bootstrap playbook using one of the following methods:

    • Copy the default.yml file listed above to $HOME/localhost.yml and edit the configurable values as desired (use the commented instructions in the file).

    or

    • Create the minimal user configuration override file as shown in the example below:

      cd ~
cat <<EOF > localhost.yml
system_mode: simplex

dns_servers:
- 8.8.8.8
- 8.8.4.4

external_oam_subnet: 10.10.10.0/24
external_oam_gateway_address: 10.10.10.1
external_oam_floating_address: 10.10.10.2

admin_username: admin
admin_password: <admin-password>
ansible_become_pass: <sysadmin-password>

# Add these lines to configure Docker to use a proxy server
# docker_http_proxy: http://my.proxy.com:1080
# docker_https_proxy: https://my.proxy.com:1443
# docker_no_proxy:
#   - 1.2.3.4

EOF

    Refer to Ansible Bootstrap Configurations for information on additional Ansible bootstrap configurations for advanced Ansible bootstrap scenarios, such as Docker proxies when deploying behind a firewall, etc. Refer to Docker Proxy Configuration for details about Docker proxy settings.

  4. Run the Ansible bootstrap playbook:

    ansible-playbook /usr/share/ansible/stx-ansible/playbooks/bootstrap.yml

    Wait for Ansible bootstrap playbook to complete. This can take 5-10 minutes, depending on the performance of the host machine.

Configure controller-0

On virtual controller-0:

  1. Acquire admin credentials:

    source /etc/platform/openrc

  2. Configure the OAM interface of controller-0 and specify the attached network as “oam”. Use the OAM port name, for example eth0, that is applicable to your deployment environment:

    OAM_IF=enp7s1
system host-if-modify controller-0 $OAM_IF -c platform
system interface-network-assign controller-0 $OAM_IF oam

  3. Configure NTP servers for network time synchronization:

    Note

    In a virtual environment, this can sometimes cause Ceph clock skew alarms. Also, the virtual instances clock is synchronized with the host clock, so it is not absolutely required to configure NTP in this step.

    system ntp-modify ntpservers=0.pool.ntp.org,1.pool.ntp.org

Optionally, initialize a Ceph-based Persistent Storage Backend

Important

A persistent storage backend is required if your application requires Persistent Volume Claims (PVCs). The StarlingX OpenStack application (stx-openstack) requires PVCs, therefore if you plan on using the stx-openstack application, then you must configure a persistent storage backend.

There are two options for persistent storage backend: 1) the host-based Ceph solution and 2) the Rook container-based Ceph solution.

The Rook container-based Ceph backend is installed after both AIO-Controllers are configured and unlocked.

For host-based Ceph,

  1. Initialize with add ceph backend:

    system storage-backend-add ceph --confirmed

  2. Add an OSD on controller-0 for host-based Ceph:

    system host-disk-list controller-0
system host-disk-list controller-0 | awk '/\/dev\/sdb/{print $2}' | xargs -i system host-stor-add controller-0 {}
system host-stor-list controller-0

    See configure-ceph-osds-on-a-host for additional info on configuring the Ceph storage backend such as supporting SSD-backed journals, multiple storage tiers, and so on.

For Rook container-based Ceph:

  1. Initialize with add ceph-rook backend:

    system storage-backend-add ceph-rook --confirmed

  2. Assign Rook host labels to controller-0 in support of installing the rook-ceph-apps manifest/helm-charts later:

    system host-label-assign controller-0 ceph-mon-placement=enabled
system host-label-assign controller-0 ceph-mgr-placement=enabled

  3. If required, and not already done as part of bootstrap, configure Docker to use a proxy server.

    1. List Docker proxy parameters:

      system service-parameter-list platform docker

    2. Refer to Docker Proxy Configuration for details about Docker proxy settings.

OpenStack-specific host configuration

Important

This step is required only if the StarlingX OpenStack application (stx-openstack) will be installed.

  1. For OpenStack only: Assign OpenStack host labels to controller-0 in support of installing the stx-openstack manifest/helm-charts later.

    system host-label-assign controller-0 openstack-control-plane=enabled
system host-label-assign controller-0 openstack-compute-node=enabled
system host-label-assign controller-0 openvswitch=enabled

    Note

    If you have a NIC that supports SR-IOV, then you can enable it by using the following:

    system host-label-assign controller-0 sriov=enabled

  2. For OpenStack only: A vSwitch is required.

    The default vSwitch is containerized OVS that is packaged with the stx-openstack manifest/helm-charts. StarlingX provides the option to use OVS-DPDK on the host, however, in the virtual environment OVS-DPDK is NOT supported, only OVS is supported. Therefore, simply use the default OVS vSwitch here.

  3. For OpenStack Only: Set up disk partition for nova-local volume group, which is needed for stx-openstack nova ephemeral disks.

    export NODE=controller-0

echo ">>> Getting root disk info"
ROOT_DISK=$(system host-show ${NODE} | grep rootfs | awk '{print $4}')
ROOT_DISK_UUID=$(system host-disk-list ${NODE} --nowrap | grep ${ROOT_DISK} | awk '{print $2}')
echo "Root disk: $ROOT_DISK, UUID: $ROOT_DISK_UUID"

echo ">>>> Configuring nova-local"
NOVA_SIZE=34
NOVA_PARTITION=$(system host-disk-partition-add -t lvm_phys_vol ${NODE} ${ROOT_DISK_UUID} ${NOVA_SIZE})
NOVA_PARTITION_UUID=$(echo ${NOVA_PARTITION} | grep -ow "| uuid | [a-z0-9\-]* |" | awk '{print $4}')
system host-lvg-add ${NODE} nova-local
system host-pv-add ${NODE} nova-local ${NOVA_PARTITION_UUID}
sleep 2

  4. For OpenStack only: Configure data interfaces for controller-0.

    Important

    This step is required only if the StarlingX OpenStack application (stx-openstack) will be installed.

    1G Huge Pages are not supported in the virtual environment and there is no virtual NIC supporting SR-IOV. For that reason, data interfaces are not applicable in the virtual environment for the Kubernetes-only scenario.

    For OpenStack only:

    DATA0IF=eth1000
DATA1IF=eth1001
export NODE=controller-0
PHYSNET0='physnet0'
PHYSNET1='physnet1'
SPL=/tmp/tmp-system-port-list
SPIL=/tmp/tmp-system-host-if-list
system host-port-list ${NODE} --nowrap > ${SPL}
system host-if-list -a ${NODE} --nowrap > ${SPIL}
DATA0PCIADDR=$(cat $SPL | grep $DATA0IF |awk '{print $8}')
DATA1PCIADDR=$(cat $SPL | grep $DATA1IF |awk '{print $8}')
DATA0PORTUUID=$(cat $SPL | grep ${DATA0PCIADDR} | awk '{print $2}')
DATA1PORTUUID=$(cat $SPL | grep ${DATA1PCIADDR} | awk '{print $2}')
DATA0PORTNAME=$(cat $SPL | grep ${DATA0PCIADDR} | awk '{print $4}')
DATA1PORTNAME=$(cat  $SPL | grep ${DATA1PCIADDR} | awk '{print $4}')
DATA0IFUUID=$(cat $SPIL | awk -v DATA0PORTNAME=$DATA0PORTNAME '($12 ~ DATA0PORTNAME) {print $2}')
DATA1IFUUID=$(cat $SPIL | awk -v DATA1PORTNAME=$DATA1PORTNAME '($12 ~ DATA1PORTNAME) {print $2}')

system datanetwork-add ${PHYSNET0} vlan
system datanetwork-add ${PHYSNET1} vlan

system host-if-modify -m 1500 -n data0 -c data ${NODE} ${DATA0IFUUID}
system host-if-modify -m 1500 -n data1 -c data ${NODE} ${DATA1IFUUID}
system interface-datanetwork-assign ${NODE} ${DATA0IFUUID} ${PHYSNET0}
system interface-datanetwork-assign ${NODE} ${DATA1IFUUID} ${PHYSNET1}

Unlock controller-0

Unlock virtual controller-0 to bring it into service:

system host-unlock controller-0

Controller-0 will reboot to apply configuration changes and come into service. This can take 5-10 minutes, depending on the performance of the host machine.

Optionally, finish configuration of Ceph-based Persistent Storage Backend

For host-based Ceph: Nothing else is required.

For Rook container-based Ceph:

On virtual controller-0:

  1. Wait for application rook-ceph-apps uploaded

    $ source /etc/platform/openrc
$ system application-list
+---------------------+---------+-------------------------------+---------------+----------+-----------+
| application         | version | manifest name                 | manifest file | status   | progress  |
+---------------------+---------+-------------------------------+---------------+----------+-----------+
| oidc-auth-apps      | 1.0-0   | oidc-auth-manifest            | manifest.yaml | uploaded | completed |
| platform-integ-apps | 1.0-8   | platform-integration-manifest | manifest.yaml | uploaded | completed |
| rook-ceph-apps      | 1.0-1   | rook-ceph-manifest            | manifest.yaml | uploaded | completed |
+---------------------+---------+-------------------------------+---------------+----------+-----------+

  2. Configure rook to use /dev/sdb disk on controller-0 as a ceph osd

    $ system host-disk-wipe -s --confirm controller-0 /dev/sdb

    values.yaml for rook-ceph-apps.

    cluster:
  storage:
    nodes:
    - name: controller-0
      devices:
      - name: /dev/disk/by-path/pci-0000:00:03.0-ata-2.0

    system helm-override-update rook-ceph-apps rook-ceph kube-system --values values.yaml

  3. Apply the rook-ceph-apps application.

    system application-apply rook-ceph-apps

  4. Wait for OSDs pod ready.

    kubectl get pods -n kube-system
rook--ceph-crashcollector-controller-0-764c7f9c8-bh5c7   1/1     Running     0          62m
rook--ceph-mgr-a-69df96f57-9l28p                         1/1     Running     0          63m
rook--ceph-mon-a-55fff49dcf-ljfnx                        1/1     Running     0          63m
rook--ceph-operator-77b64588c5-nlsf2                     1/1     Running     0          66m
rook--ceph-osd-0-7d5785889f-4rgmb                        1/1     Running     0          62m
rook--ceph-osd-prepare-controller-0-cmwt5                0/1     Completed   0          2m14s
rook--ceph-tools-5778d7f6c-22tms                         1/1     Running     0          64m
rook--discover-kmv6c                                     1/1     Running     0          65m

Next steps

Your Kubernetes cluster is now up and running.

For instructions on how to access StarlingX Kubernetes see Access StarlingX Kubernetes R6.0.

For instructions on how to install and access StarlingX OpenStack see StarlingX OpenStack.