rebase: update go-ceph to v0.10.0

This commit updates the go-ceph to latest
release. More details about release at
https://github.com/ceph/go-ceph/releases/tag/v0.10.0

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

vendor/github.com/ceph/go-ceph/internal/commands/commands.go

@@ -0,0 +1,53 @@
+package commands
+
+import (
+	"encoding/json"
+
+	ccom "github.com/ceph/go-ceph/common/commands"
+	"github.com/ceph/go-ceph/rados"
+)
+
+func validate(m interface{}) error {
+	if m == nil {
+		return rados.ErrNotConnected
+	}
+	return nil
+}
+
+// RawMgrCommand takes a byte buffer and sends it to the MGR as a command.
+// The buffer is expected to contain preformatted JSON.
+func RawMgrCommand(m ccom.MgrCommander, buf []byte) Response {
+	if err := validate(m); err != nil {
+		return Response{err: err}
+	}
+	return NewResponse(m.MgrCommand([][]byte{buf}))
+}
+
+// MarshalMgrCommand takes an generic interface{} value, converts it to JSON
+// and sends the json to the MGR as a command.
+func MarshalMgrCommand(m ccom.MgrCommander, v interface{}) Response {
+	b, err := json.Marshal(v)
+	if err != nil {
+		return Response{err: err}
+	}
+	return RawMgrCommand(m, b)
+}
+
+// RawMonCommand takes a byte buffer and sends it to the MON as a command.
+// The buffer is expected to contain preformatted JSON.
+func RawMonCommand(m ccom.MonCommander, buf []byte) Response {
+	if err := validate(m); err != nil {
+		return Response{err: err}
+	}
+	return NewResponse(m.MonCommand(buf))
+}
+
+// MarshalMonCommand takes an generic interface{} value, converts it to JSON
+// and sends the json to the MGR as a command.
+func MarshalMonCommand(m ccom.MonCommander, v interface{}) Response {
+	b, err := json.Marshal(v)
+	if err != nil {
+		return Response{err: err}
+	}
+	return RawMonCommand(m, b)
+}

vendor/github.com/ceph/go-ceph/internal/commands/response.go

@@ -0,0 +1,163 @@
+package commands
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"strings"
+)
+
+var (
+	// ErrStatusNotEmpty may be returned if a call should not have a status
+	// string set but one is.
+	ErrStatusNotEmpty = errors.New("response status not empty")
+	// ErrBodyNotEmpty may be returned if a call should have an empty body but
+	// a body value is present.
+	ErrBodyNotEmpty = errors.New("response body not empty")
+)
+
+const (
+	deprecatedSuffix = "call is deprecated and will be removed in a future release"
+	missingPrefix    = "No handler found"
+	einval           = -22
+)
+
+type cephError interface {
+	ErrorCode() int
+}
+
+// NotImplementedError error values will be returned in the case that an API
+// call is not available in the version of Ceph that is running in the target
+// cluster.
+type NotImplementedError struct {
+	Response
+}
+
+// Error implements the error interface.
+func (e NotImplementedError) Error() string {
+	return fmt.Sprintf("API call not implemented server-side: %s", e.status)
+}
+
+// Response encapsulates the data returned by ceph and supports easy processing
+// pipelines.
+type Response struct {
+	body   []byte
+	status string
+	err    error
+}
+
+// Ok returns true if the response contains no error.
+func (r Response) Ok() bool {
+	return r.err == nil
+}
+
+// Error implements the error interface.
+func (r Response) Error() string {
+	if r.status == "" {
+		return r.err.Error()
+	}
+	return fmt.Sprintf("%s: %q", r.err, r.status)
+}
+
+// Unwrap returns the error this response contains.
+func (r Response) Unwrap() error {
+	return r.err
+}
+
+// Status returns the status string value.
+func (r Response) Status() string {
+	return r.status
+}
+
+// Body returns the response body as a raw byte-slice.
+func (r Response) Body() []byte {
+	return r.body
+}
+
+// End returns an error if the response contains an error or nil, indicating
+// that response is no longer needed for processing.
+func (r Response) End() error {
+	if !r.Ok() {
+		if ce, ok := r.err.(cephError); ok {
+			if ce.ErrorCode() == einval && strings.HasPrefix(r.status, missingPrefix) {
+				return NotImplementedError{Response: r}
+			}
+		}
+		return r
+	}
+	return nil
+}
+
+// NoStatus asserts that the input response has no status value.
+func (r Response) NoStatus() Response {
+	if !r.Ok() {
+		return r
+	}
+	if r.status != "" {
+		return Response{r.body, r.status, ErrStatusNotEmpty}
+	}
+	return r
+}
+
+// NoBody asserts that the input response has no body value.
+func (r Response) NoBody() Response {
+	if !r.Ok() {
+		return r
+	}
+	if len(r.body) != 0 {
+		return Response{r.body, r.status, ErrBodyNotEmpty}
+	}
+	return r
+}
+
+// NoData asserts that the input response has no status or body values.
+func (r Response) NoData() Response {
+	return r.NoStatus().NoBody()
+}
+
+// FilterPrefix sets the status value to an empty string if the status
+// value contains the given prefix string.
+func (r Response) FilterPrefix(p string) Response {
+	if !r.Ok() {
+		return r
+	}
+	if strings.HasPrefix(r.status, p) {
+		return Response{r.body, "", r.err}
+	}
+	return r
+}
+
+// FilterSuffix sets the status value to an empty string if the status
+// value contains the given suffix string.
+func (r Response) FilterSuffix(s string) Response {
+	if !r.Ok() {
+		return r
+	}
+	if strings.HasSuffix(r.status, s) {
+		return Response{r.body, "", r.err}
+	}
+	return r
+}
+
+// FilterDeprecated removes deprecation warnings from the response status.
+// Use it when checking the response from calls that may be deprecated in ceph
+// if you want those calls to continue working if the warning is present.
+func (r Response) FilterDeprecated() Response {
+	return r.FilterSuffix(deprecatedSuffix)
+}
+
+// Unmarshal data from the response body into v.
+func (r Response) Unmarshal(v interface{}) Response {
+	if !r.Ok() {
+		return r
+	}
+	if err := json.Unmarshal(r.body, v); err != nil {
+		return Response{body: r.body, err: err}
+	}
+	return r
+}
+
+// NewResponse returns a response.
+func NewResponse(b []byte, s string, e error) Response {
+	return Response{b, s, e}
+}

vendor/github.com/ceph/go-ceph/internal/commands/trace.go

@@ -0,0 +1,53 @@
+package commands
+
+import (
+	"fmt"
+
+	ccom "github.com/ceph/go-ceph/common/commands"
+)
+
+// NewTraceCommander is a RadosCommander that wraps a given RadosCommander
+// and when commands are executes prints debug level "traces" to the
+// standard output.
+func NewTraceCommander(c ccom.RadosCommander) ccom.RadosCommander {
+	return &tracingCommander{c}
+}
+
+// tracingCommander serves two purposes: first, it allows one to trace the
+// input and output json when running the tests. It can help with actually
+// debugging the tests. Second, it demonstrates the rationale for using an
+// interface in FSAdmin. You can layer any sort of debugging, error injection,
+// or whatnot between the FSAdmin layer and the RADOS layer.
+type tracingCommander struct {
+	conn ccom.RadosCommander
+}
+
+func (t *tracingCommander) MgrCommand(buf [][]byte) ([]byte, string, error) {
+	fmt.Println("(MGR Command)")
+	for i := range buf {
+		fmt.Println("IN:", string(buf[i]))
+	}
+	r, s, err := t.conn.MgrCommand(buf)
+	fmt.Println("OUT(result):", string(r))
+	if s != "" {
+		fmt.Println("OUT(status):", s)
+	}
+	if err != nil {
+		fmt.Println("OUT(error):", err.Error())
+	}
+	return r, s, err
+}
+
+func (t *tracingCommander) MonCommand(buf []byte) ([]byte, string, error) {
+	fmt.Println("(MON Command)")
+	fmt.Println("IN:", string(buf))
+	r, s, err := t.conn.MonCommand(buf)
+	fmt.Println("OUT(result):", string(r))
+	if s != "" {
+		fmt.Println("OUT(status):", s)
+	}
+	if err != nil {
+		fmt.Println("OUT(error):", err.Error())
+	}
+	return r, s, err
+}