155 lines
4.2 KiB
Go
155 lines
4.2 KiB
Go
package daemon // import "github.com/docker/docker/daemon"
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import (
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"fmt"
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"strings"
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"syscall"
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"github.com/docker/docker/errdefs"
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"github.com/pkg/errors"
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"google.golang.org/grpc/status"
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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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}
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func containerNotFound(id string) error {
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return objNotFoundError{"container", id}
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}
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type objNotFoundError struct {
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object string
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id string
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}
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func (e objNotFoundError) Error() string {
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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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}
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func errExecNotFound(id string) error {
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return objNotFoundError{"exec instance", id}
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}
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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 {
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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 {
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id string
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name string
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}
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func (e nameConflictError) Error() string {
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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)
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}
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func (nameConflictError) Conflict() {}
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type containerNotModifiedError struct {
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running bool
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}
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func (e containerNotModifiedError) Error() string {
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if e.running {
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return "Container is already started"
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}
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return "Container is already stopped"
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}
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func (e containerNotModifiedError) NotModified() {}
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type invalidIdentifier string
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func (e invalidIdentifier) Error() string {
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return fmt.Sprintf("invalid name or ID supplied: %q", string(e))
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}
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func (invalidIdentifier) InvalidParameter() {}
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type duplicateMountPointError string
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func (e duplicateMountPointError) Error() string {
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return "Duplicate mount point: " + string(e)
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}
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func (duplicateMountPointError) InvalidParameter() {}
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type containerFileNotFound struct {
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file string
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container string
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}
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func (e containerFileNotFound) Error() string {
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return "Could not find the file " + e.file + " in container " + e.container
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}
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func (containerFileNotFound) NotFound() {}
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type invalidFilter struct {
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filter string
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value interface{}
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}
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func (e invalidFilter) Error() string {
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msg := "Invalid filter '" + e.filter
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if e.value != nil {
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msg += fmt.Sprintf("=%s", e.value)
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}
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return msg + "'"
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}
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func (e invalidFilter) InvalidParameter() {}
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type startInvalidConfigError string
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func (e startInvalidConfigError) Error() string {
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return string(e)
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}
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func (e startInvalidConfigError) InvalidParameter() {} // Is this right???
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func translateContainerdStartErr(cmd string, setExitCode func(int), err error) error {
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errDesc := status.Convert(err).Message()
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contains := func(s1, s2 string) bool {
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return strings.Contains(strings.ToLower(s1), s2)
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}
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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
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// return it instead of entering the restart loop
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// set to 127 for container cmd not found/does not exist)
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if contains(errDesc, cmd) &&
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(contains(errDesc, "executable file not found") ||
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contains(errDesc, "no such file or directory") ||
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contains(errDesc, "system cannot find the file specified")) {
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setExitCode(127)
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retErr = startInvalidConfigError(errDesc)
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}
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// set to 126 for container cmd can't be invoked errors
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if contains(errDesc, syscall.EACCES.Error()) {
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setExitCode(126)
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retErr = startInvalidConfigError(errDesc)
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}
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// attempted to mount a file onto a directory, or a directory onto a file, maybe from user specified bind mounts
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if contains(errDesc, syscall.ENOTDIR.Error()) {
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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"
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setExitCode(127)
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retErr = startInvalidConfigError(errDesc)
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}
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// TODO: it would be nice to get some better errors from containerd so we can return better errors here
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return retErr
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}
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