kubernetes/kops · error

error building root volume options: %v

Error message

error building root volume options: %v

What it means

Deriving the root volume options for the elastigroup failed; the instance group's root volume spec (size/type/IOPS combination) is invalid or unsupported for SpotInst.

Source

Thrown at pkg/model/awsmodel/spotinst.go:288

			group.HealthCheckType = new(strings.ToUpper(v))
		}
	}

	// Spot percentage.
	if group.SpotPercentage == nil {
		group.SpotPercentage = defaultSpotPercentage(ig)
	}

	// Instance profile.
	group.IAMInstanceProfile, err = b.LinkToIAMInstanceProfile(ig)
	if err != nil {
		return fmt.Errorf("error building iam instance profile: %v", err)
	}

	// Root volume.
	group.RootVolumeOpts, err = b.buildRootVolumeOpts(ig)
	if err != nil {
		return fmt.Errorf("error building root volume options: %v", err)
	}

	// Tenancy.
	if ig.Spec.Tenancy != "" {
		group.Tenancy = new(ig.Spec.Tenancy)
	}

	// Security groups.
	group.SecurityGroups, err = b.buildSecurityGroups(c, ig)
	if err != nil {
		return fmt.Errorf("error building security groups: %v", err)
	}

	// SSH key.
	group.SSHKey, err = b.LinkToSSHKey()
	if err != nil {
		return fmt.Errorf("error building ssh key: %v", err)
	}

View on GitHub (pinned to 4c8573c808)

Solutions

1. Check the instance group's rootVolume settings form a valid combination
2. Simplify to a standard gp2/gp3 configuration
3. Re-run kops update

When it happens

Trigger: Thrown at pkg/model/awsmodel/spotinst.go:288 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/0d6047d8b553aecf. Report an issue: GitHub.