Merge pull request #36407 from agawish/36395-mount-print

36395 mount print

integration-cli/docker_api_containers_test.go

@@ -1713,7 +1713,7 @@ func (s *DockerSuite) TestContainersAPICreateMountsValidation(c *check.C) {
 					Type:   "bind",
 					Source: notExistPath,
 					Target: destPath}}},
-			msg: "bind source path does not exist",
+			msg: "bind mount source path does not exist: " + notExistPath,
 		},
 		{
 			config: containertypes.Config{

volume/linux_parser.go

@@ -83,7 +83,7 @@ func (p *linuxParser) validateMountConfigImpl(mnt *mount.Mount, validateBindSour
 		if validateBindSourceExists {
 			exists, _, _ := currentFileInfoProvider.fileInfo(mnt.Source)
 			if !exists {
-				return &errMountConfig{mnt, errBindNotExist}
+				return &errMountConfig{mnt, errBindSourceDoesNotExist(mnt.Source)}
 			}
 		}
 

volume/validate.go

@@ -7,8 +7,6 @@ import (
 	"github.com/pkg/errors"
 )
 
-var errBindNotExist = errors.New("bind source path does not exist")
-
 type errMountConfig struct {
 	mount *mount.Mount
 	err   error
@@ -18,6 +16,10 @@ func (e *errMountConfig) Error() string {
 	return fmt.Sprintf("invalid mount config for type %q: %v", e.mount.Type, e.err.Error())
 }
 
+func errBindSourceDoesNotExist(path string) error {
+	return errors.Errorf("bind mount source path does not exist: %s", path)
+}
+
 func errExtraField(name string) error {
 	return errors.Errorf("field %s must not be specified", name)
 }

volume/validate_test.go

@@ -31,7 +31,7 @@ func TestValidateMount(t *testing.T) {
 
 		{mount.Mount{Type: mount.TypeBind, Source: testDir, Target: testDestinationPath}, nil},
 		{mount.Mount{Type: "invalid", Target: testDestinationPath}, errors.New("mount type unknown")},
-		{mount.Mount{Type: mount.TypeBind, Source: testSourcePath, Target: testDestinationPath}, errBindNotExist},
+		{mount.Mount{Type: mount.TypeBind, Source: testSourcePath, Target: testDestinationPath}, errBindSourceDoesNotExist(testSourcePath)},
 	}
 
 	lcowCases := []struct {
@@ -44,7 +44,7 @@ func TestValidateMount(t *testing.T) {
 		{mount.Mount{Type: mount.TypeBind}, errMissingField("Target")},
 		{mount.Mount{Type: mount.TypeBind, Target: "/foo"}, errMissingField("Source")},
 		{mount.Mount{Type: mount.TypeBind, Target: "/foo", Source: "c:\\foo", VolumeOptions: &mount.VolumeOptions{}}, errExtraField("VolumeOptions")},
-		{mount.Mount{Type: mount.TypeBind, Source: "c:\\foo", Target: "/foo"}, errBindNotExist},
+		{mount.Mount{Type: mount.TypeBind, Source: "c:\\foo", Target: "/foo"}, errBindSourceDoesNotExist("c:\\foo")},
 		{mount.Mount{Type: mount.TypeBind, Source: testDir, Target: "/foo"}, nil},
 		{mount.Mount{Type: "invalid", Target: "/foo"}, errors.New("mount type unknown")},
 	}

volume/volume_test.go

@@ -120,7 +120,7 @@ func TestParseMountRaw(t *testing.T) {
 			`c:\:d:\:xyzzy`:                    "invalid volume specification: ",
 			`c:`:                               "cannot be `c:`",
 			`c:\`:                              "cannot be `c:`",
-			`c:\notexist:d:`:                   `source path does not exist`,
+			`c:\notexist:d:`:                   `bind mount source path does not exist: c:\notexist`,
 			`c:\windows\system32\ntdll.dll:d:`: `source path must be a directory`,
 			`name<:d:`:                         `invalid volume specification`,
 			`name>:d:`:                         `invalid volume specification`,
@@ -189,7 +189,7 @@ func TestParseMountRaw(t *testing.T) {
 			`c:\:/foo:xyzzy`:                     "invalid volume specification: ",
 			`/`:                                  "destination can't be '/'",
 			`/..`:                                "destination can't be '/'",
-			`c:\notexist:/foo`:                   `source path does not exist`,
+			`c:\notexist:/foo`:                   `bind mount source path does not exist: c:\notexist`,
 			`c:\windows\system32\ntdll.dll:/foo`: `source path must be a directory`,
 			`name<:/foo`:                         `invalid volume specification`,
 			`name>:/foo`:                         `invalid volume specification`,

volume/windows_parser.go

@@ -252,7 +252,7 @@ func (p *windowsParser) validateMountConfigReg(mnt *mount.Mount, destRegex strin
 			return &errMountConfig{mnt, err}
 		}
 		if !exists {
-			return &errMountConfig{mnt, errBindNotExist}
+			return &errMountConfig{mnt, errBindSourceDoesNotExist(mnt.Source)}
 		}
 		if !isdir {
 			return &errMountConfig{mnt, fmt.Errorf("source path must be a directory")}