Hypershift Openstack Provider

HyperShift OpenStack Provider

This skill provides implementation guidance for creating HyperShift clusters on OpenStack, handling OpenStack-specific requirements including credentials, networking, and flavor selection.

When to Use This Skill

This skill is automatically invoked by the /hcp:generate openstack command to guide the OpenStack provider cluster creation process.

Prerequisites

• OpenStack CLI configured with appropriate credentials
• OpenStack project with sufficient quotas
• External network configured for floating IPs
• HyperShift operator installed and configured

OpenStack Provider Overview

OpenStack Provider Peculiarities

• Requires OpenStack credentials: Must have valid clouds.yaml or environment variables
• Floating IP networks needed: External network access for cluster API
• Flavor selection critical: Instance flavors affect performance and cost
• Custom images may be required: RHCOS images for worker nodes
• Network topology affects routing: Proper network configuration essential

Implementation Steps

Step 1: Interactive Parameter Collection

Required Parameters:

1. OpenStack Credentials

   🔹 **OpenStack Credentials**: Path to OpenStack credentials file?
      - Usually clouds.yaml format
      - Example: /home/user/.config/openstack/clouds.yaml
   

2. External Network

   🔹 **External Network ID**: OpenStack external network UUID?
      - Required for floating IP allocation
      - Find with: openstack network list --external
   

3. Flavor Selection

   🔹 **Node Flavor**: Choose instance flavor:
      - m1.large (4 vCPU, 8GB RAM) - Standard workloads
      - m1.xlarge (8 vCPU, 16GB RAM) - Performance workloads
      - [default: m1.large]
   

Step 2: Generate Command

Standard Configuration:

hypershift create cluster openstack \
  --name openstack-cluster \
  --namespace openstack-cluster-ns \
  --openstack-credentials-file /path/to/clouds.yaml \
  --openstack-external-network-id <external-network-uuid> \
  --openstack-node-flavor m1.large \
  --base-domain example.com \
  --pull-secret /path/to/pull-secret.json \
  --release-image quay.io/openshift-release-dev/ocp-release:4.18.0-multi

Error Handling

External Network Not Found

External network with ID "<uuid>" not found.

List available external networks:
  openstack network list --external

Ensure network has proper routing configuration.

Flavor Not Available

Flavor "m1.large" not available in this OpenStack deployment.

List available flavors:
  openstack flavor list

Choose appropriate flavor for your workload requirements.

See Also

• OpenStack Documentation
• HyperShift OpenStack Provider

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