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package daemon
import ( |
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"fmt" |
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"strings"
"syscall" |
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|
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"github.com/docker/docker/errdefs" |
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"github.com/pkg/errors"
"google.golang.org/grpc" |
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)
|
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func errNotRunning(id string) error { |
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return errdefs.Conflict(errors.Errorf("Container %s is not running", id)) |
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}
func containerNotFound(id string) error {
return objNotFoundError{"container", id}
}
func volumeNotFound(id string) error {
return objNotFoundError{"volume", id}
}
type objNotFoundError struct {
object string
id string |
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} |
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|
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func (e objNotFoundError) Error() string {
return "No such " + e.object + ": " + e.id |
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}
|
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func (e objNotFoundError) NotFound() {}
|
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func errContainerIsRestarting(containerID string) error { |
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cause := errors.Errorf("Container %s is restarting, wait until the container is running", containerID) |
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return errdefs.Conflict(cause) |
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}
func errExecNotFound(id string) error { |
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return objNotFoundError{"exec instance", id} |
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}
func errExecPaused(id string) error { |
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cause := errors.Errorf("Container %s is paused, unpause the container before exec", id) |
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return errdefs.Conflict(cause) |
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}
|
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func errNotPaused(id string) error {
cause := errors.Errorf("Container %s is already paused", id) |
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return errdefs.Conflict(cause) |
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}
|
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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() {}
|
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type containerNotModifiedError struct {
running bool |
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}
|
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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 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 := grpc.ErrorDesc(err)
contains := func(s1, s2 string) bool {
return strings.Contains(strings.ToLower(s1), s2)
} |
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var retErr = errdefs.Unknown(errors.New(errDesc)) |
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// 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, cmd) &&
(contains(errDesc, "executable file not found") ||
contains(errDesc, "no such file or directory") ||
contains(errDesc, "system cannot find the file specified")) {
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 |
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} |