kubernetes/kops · error

error listing routers: %v

Error message

error listing routers: %v

What it means

Listing Neutron routers failed at the API level while fetching all pages. The read is retried with backoff; persistent failure indicates endpoint, credential, or service problems.

Source

Thrown at upup/pkg/fi/cloudup/openstack/router.go:38

	"context"
	"fmt"

	"github.com/gophercloud/gophercloud/v2/openstack/networking/v2/extensions/layer3/routers"
	"k8s.io/apimachinery/pkg/util/wait"
	"k8s.io/kops/util/pkg/vfs"
)

func (c *openstackCloud) ListRouters(opt routers.ListOpts) ([]routers.Router, error) {
	return listRouters(c, opt)
}

func listRouters(c OpenstackCloud, opt routers.ListOpts) ([]routers.Router, error) {
	var rs []routers.Router

	done, err := vfs.RetryWithBackoff(readBackoff, func() (bool, error) {
		allPages, err := routers.List(c.NetworkingClient(), opt).AllPages(context.TODO())
		if err != nil {
			return false, fmt.Errorf("error listing routers: %v", err)
		}

		r, err := routers.ExtractRouters(allPages)
		if err != nil {
			return false, fmt.Errorf("error extracting routers from pages: %v", err)
		}
		rs = r
		return true, nil
	})
	if err != nil {
		return rs, err
	} else if done {
		return rs, nil
	} else {
		return rs, wait.ErrWaitTimeout
	}
}

View on GitHub (pinned to 4c8573c808)

Solutions

1. Verify the networking endpoint and credentials
2. Check Neutron service health
3. Retry after restoration

When it happens

Trigger: Thrown at upup/pkg/fi/cloudup/openstack/router.go:38 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/5b864a3522d7d725. Report an issue: GitHub.