System Requirements¶
Before you begin the installation, your system must meet the following requirements.
Infrastructure¶
The Deployer must run openSUSE Leap 15 or SUSE Linux Enterprise 15. See Set Up Deployer for required deployment tools and packages.
Note
To install openSUSE Leap 15, follow the instructions at https://software.opensuse.org/distributions/leap.
The CaaS Platform cluster must run the latest CaaS Platform version 3.
Note
The CaaS Platform Installation Quick Start guide is available at: https://www.suse.com/documentation/suse-caasp-3/singlehtml/book_caasp_installquick/book_caasp_installquick.html.
You must register the CaaS Platform product to get access to the update repository. We strongly recommend enabling the auto-update repository during CaaS Platform installation. If auto update is not enabled, you must run
transactional update
following the instructions from the CaaSP documentation.The SES cluster must run SES version 5.5.
Note
The SES deployment guide is available at: https://www.suse.com/documentation/suse-enterprise-storage-5/singlehtml/book_storage_deployment/book_storage_deployment.html
Minimum Node Specification¶
CaaS Platform worker node¶
(v)CPU: 6
Memory: 16GB
Storage: 80GB
If the work node is used as Compute node, sizing should be determined by the target workloads on the compute node.
Cluster size¶
A minimal CaaS Platform cluster requires one administration node, one master node and two worker nodes.
SUSE Containerized OpenStack enrolls CaaS Platform work nodes for two different purposes: control plane where the Airship and OpenStack services run and compute nodes where customer workloads are hosted.
For a minimal cloud, you should plan one worker node for the control plane, and one or more worker nodes as OpenStack compute nodes.
For a high availability (HA) cloud, we recommend three worker nodes designated for the Airship and OpenStack control plane, and additional worker nodes allocated for compute. For detailed information about scale profiles, see Configure Cloud Scale Profile.
Network Requirements¶
- CaaS Platform networking
- Create necessary CaaS Platform networks before deploying SUSE Containerized OpenStack. Separating traffic by function is recommended but not required.
- Storage Network
- A separate storage network can be created to isolate storage traffic. This separate network should be present on the Caas Platform and ses_config.yml mon_host: section.
- VIP for Airship and OpenStack
- Virtual IP address will be assigned to Pods allowing ingress to Airship and OpenStack services. The ingress IP assignments for these services must be on a subnet present on the Caas Platform nodes and an IP that is not currently in use. VIPs are configured in env/extravars
- DNS
- Installing SUSE Containerized OpenStack updates /etc/hosts on all CaaS Platform nodes and Deployer. If expanding testing beyond these devices, we recommend using DNS for sharing this data. It is possible to configure the Deployer with dnsmasq to supply DNS functionality, but this is beyond the scope of this preview.
Distributed Virtual Routing (DVR) is not supported in this Technology Preview.
Only flat networks are supported in SUSE Containerized OpenStack Cloud.
Note
Network configuration examples can be found in Advanced Users