kubernetes/kops · error

describing instance type %q in region %q: %w

Error message

describing instance type %q in region %q: %w

What it means

Error "describing instance type %q in region %q: %w" thrown in kubernetes/kops.

Source

Thrown at upup/pkg/fi/nodeup/awsup/machine_types.go:48

	GPU               bool
	InstanceENIs      int32
	InstanceIPsPerENI int32
}

// GetMachineTypeInfo calls ec2.DescribeInstanceTypes to get information for a particular instance type, caching the result.
func (c *Cloud) GetMachineTypeInfo(ctx context.Context, machineType ec2types.InstanceType) (*MachineTypeInfo, error) {
	clients.mutex.Lock()
	defer clients.mutex.Unlock()

	if info, ok := clients.machineTypes[machineType]; ok {
		return info, nil
	}

	resp, err := clients.ec2.DescribeInstanceTypes(ctx, &ec2.DescribeInstanceTypesInput{
		InstanceTypes: []ec2types.InstanceType{machineType},
	})
	if err != nil {
		return nil, fmt.Errorf("describing instance type %q in region %q: %w", machineType, c.region, err)
	}
	if len(resp.InstanceTypes) != 1 {
		return nil, fmt.Errorf("instance type %q not found in region %q", machineType, c.region)
	}
	info := resp.InstanceTypes[0]

	machine := &MachineTypeInfo{
		GPU:               info.GpuInfo != nil,
		InstanceENIs:      aws.ToInt32(info.NetworkInfo.MaximumNetworkInterfaces),
		InstanceIPsPerENI: aws.ToInt32(info.NetworkInfo.Ipv4AddressesPerInterface),
	}

	if clients.machineTypes == nil {
		clients.machineTypes = make(map[ec2types.InstanceType]*MachineTypeInfo)
	}
	clients.machineTypes[machineType] = machine

	return machine, nil

View on GitHub (pinned to 4c8573c808)

When it happens

Trigger: Thrown at upup/pkg/fi/nodeup/awsup/machine_types.go:48 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of kubernetes/kops@4c8573c808 (2026-09-05). Data as JSON: /api/errors/1239592e859d955a. Report an issue: GitHub.