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moby--moby/daemon/errors.go
Sebastiaan van Stijn bdb878ab2c
filters: lowercase error
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2022-03-18 09:44:53 +01:00

166 lines
4.5 KiB
Go

package daemon // import "github.com/docker/docker/daemon"
import (
"fmt"
"strings"
"syscall"
"github.com/docker/docker/errdefs"
"github.com/pkg/errors"
"google.golang.org/grpc/status"
)
func errNotRunning(id string) error {
return errdefs.Conflict(errors.Errorf("Container %s is not running", id))
}
func containerNotFound(id string) error {
return objNotFoundError{"container", id}
}
type objNotFoundError struct {
object string
id string
}
func (e objNotFoundError) Error() string {
return "No such " + e.object + ": " + e.id
}
func (e objNotFoundError) NotFound() {}
func errContainerIsRestarting(containerID string) error {
cause := errors.Errorf("Container %s is restarting, wait until the container is running", containerID)
return errdefs.Conflict(cause)
}
func errExecNotFound(id string) error {
return objNotFoundError{"exec instance", id}
}
func errExecPaused(id string) error {
cause := errors.Errorf("Container %s is paused, unpause the container before exec", id)
return errdefs.Conflict(cause)
}
func errNotPaused(id string) error {
cause := errors.Errorf("Container %s is already paused", id)
return errdefs.Conflict(cause)
}
type nameConflictError struct {
id string
name string
}
func (e nameConflictError) Error() string {
return fmt.Sprintf("Conflict. The container name %q is already in use by container %q. You have to remove (or rename) that container to be able to reuse that name.", e.name, e.id)
}
func (nameConflictError) Conflict() {}
type containerNotModifiedError struct {
running bool
}
func (e containerNotModifiedError) Error() string {
if e.running {
return "Container is already started"
}
return "Container is already stopped"
}
func (e containerNotModifiedError) NotModified() {}
type invalidIdentifier string
func (e invalidIdentifier) Error() string {
return fmt.Sprintf("invalid name or ID supplied: %q", string(e))
}
func (invalidIdentifier) InvalidParameter() {}
type incompatibleDeviceRequest struct {
driver string
caps [][]string
}
func (i incompatibleDeviceRequest) Error() string {
return fmt.Sprintf("could not select device driver %q with capabilities: %v", i.driver, i.caps)
}
func (incompatibleDeviceRequest) InvalidParameter() {}
type duplicateMountPointError string
func (e duplicateMountPointError) Error() string {
return "Duplicate mount point: " + string(e)
}
func (duplicateMountPointError) InvalidParameter() {}
type containerFileNotFound struct {
file string
container string
}
func (e containerFileNotFound) Error() string {
return "Could not find the file " + e.file + " in container " + e.container
}
func (containerFileNotFound) NotFound() {}
type invalidFilter struct {
filter string
value interface{}
}
func (e invalidFilter) Error() string {
msg := "invalid filter '" + e.filter
if e.value != nil {
msg += fmt.Sprintf("=%s", e.value)
}
return msg + "'"
}
func (e invalidFilter) InvalidParameter() {}
type startInvalidConfigError string
func (e startInvalidConfigError) Error() string {
return string(e)
}
func (e startInvalidConfigError) InvalidParameter() {} // Is this right???
func translateContainerdStartErr(cmd string, setExitCode func(int), err error) error {
errDesc := status.Convert(err).Message()
contains := func(s1, s2 string) bool {
return strings.Contains(strings.ToLower(s1), s2)
}
var retErr = errdefs.Unknown(errors.New(errDesc))
// if we receive an internal error from the initial start of a container then lets
// return it instead of entering the restart loop
// set to 127 for container cmd not found/does not exist)
if contains(errDesc, "executable file not found") ||
contains(errDesc, "no such file or directory") ||
contains(errDesc, "system cannot find the file specified") ||
contains(errDesc, "failed to run runc create/exec call") {
setExitCode(127)
retErr = startInvalidConfigError(errDesc)
}
// set to 126 for container cmd can't be invoked errors
if contains(errDesc, syscall.EACCES.Error()) {
setExitCode(126)
retErr = startInvalidConfigError(errDesc)
}
// attempted to mount a file onto a directory, or a directory onto a file, maybe from user specified bind mounts
if contains(errDesc, syscall.ENOTDIR.Error()) {
errDesc += ": Are you trying to mount a directory onto a file (or vice-versa)? Check if the specified host path exists and is the expected type"
setExitCode(127)
retErr = startInvalidConfigError(errDesc)
}
// TODO: it would be nice to get some better errors from containerd so we can return better errors here
return retErr
}