Commits (4)
......@@ -24,13 +24,19 @@ import (
// FailFastError type is an error that could not be solved by trying again
type FailFastError error
type FailFastError struct {
Err error
func (f *FailFastError) Error() string {
return f.Err.Error()
// ErrWindowsContainers is thrown when docker been configured to run windows containers instead of Linux
var ErrWindowsContainers = FailFastError(errors.New("docker container type is windows"))
var ErrWindowsContainers = &FailFastError{errors.New("docker container type is windows")}
// ErrCPUCountLimit is thrown when docker daemon doesn't have enough CPUs for the requested container
var ErrCPUCountLimit = FailFastError(errors.New("not enough CPUs is available for container"))
var ErrCPUCountLimit = &FailFastError{errors.New("not enough CPUs is available for container")}
// ErrExitedUnexpectedly is thrown when container is created/started without error but later it exists and it's status is not running anymore.
var ErrExitedUnexpectedly = errors.New("container exited unexpectedly")
Copyright 2020 The Kubernetes Authors All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
See the License for the specific language governing permissions and
limitations under the License.
package oci
import "testing"
func TestFailFastError(t *testing.T) {
tcs := []struct {
description string
err error
shouldBeFailFast bool
description: "fail fast error",
err: ErrWindowsContainers,
shouldBeFailFast: true,
}, {
description: "not a fail fast error",
err: ErrExitedUnexpectedly,
for _, tc := range tcs {
t.Run(tc.description, func(t *testing.T) {
_, ff := tc.err.(*FailFastError)
if ff != tc.shouldBeFailFast {
t.Fatalf("expected fail fast to be %v, was %v", tc.shouldBeFailFast, ff)
......@@ -379,7 +379,7 @@ func startHost(api libmachine.API, cc *config.ClusterConfig, n *config.Node) (*h
if _, ff := err.(oci.FailFastError); ff {
if _, ff := err.(*oci.FailFastError); ff {
glog.Infof("will skip retrying to create machine because error is not retriable: %v", err)
return host, exists, err
......@@ -94,7 +94,7 @@ func status() registry.State {
cmd.Env = append(os.Environ(), "LANG=C", "LC_ALL=C") // sudo is localized
o, err := cmd.Output()
output := string(o)
output := strings.TrimSpace(string(o))
if err == nil {
glog.Infof("podman version: %s", output)