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format source tree using goimports

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This commit is contained in:
Christian Schwarz
2019-03-22 19:41:12 +01:00
parent 5324f29693
commit afed762774
93 changed files with 585 additions and 463 deletions
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111
zfs/zfs.go
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@ -15,9 +15,11 @@ import (
"time"
"context"
"github.com/prometheus/client_golang/prometheus"
"regexp"
"strconv"
"github.com/prometheus/client_golang/prometheus"
"github.com/zrepl/zrepl/util/envconst"
)
@ -351,7 +353,7 @@ type readErrRecorder struct {
type sendStreamCopierError struct {
isReadErr bool // if false, it's a write error
err error
err error
}
func (e sendStreamCopierError) Error() string {
@ -362,7 +364,7 @@ func (e sendStreamCopierError) Error() string {
}
}
func (e sendStreamCopierError) IsReadError() bool { return e.isReadErr }
func (e sendStreamCopierError) IsReadError() bool { return e.isReadErr }
func (e sendStreamCopierError) IsWriteError() bool { return !e.isReadErr }
func (r *readErrRecorder) Read(p []byte) (n int, err error) {
@ -410,13 +412,12 @@ func pipeWithCapacityHint(capacity int) (r, w *os.File, err error) {
}
type sendStream struct {
cmd *exec.Cmd
cmd *exec.Cmd
kill context.CancelFunc
closeMtx sync.Mutex
closeMtx sync.Mutex
stdoutReader *os.File
opErr error
opErr error
}
func (s *sendStream) Read(p []byte) (n int, err error) {
@ -484,7 +485,7 @@ func (s *sendStream) killAndWait(precedingReadErr error) error {
if closePipeErr == nil {
// avoid double-closes in case anything below doesn't work
// and someone calls Close again
s.stdoutReader = nil
s.stdoutReader = nil
} else {
return closePipeErr
}
@ -493,7 +494,7 @@ func (s *sendStream) killAndWait(precedingReadErr error) error {
// we managed to tear things down, no let's give the user some pretty *ZFSError
if exitErr != nil {
s.opErr = &ZFSError{
Stderr: exitErr.Stderr,
Stderr: exitErr.Stderr,
WaitErr: exitErr,
}
} else {
@ -545,15 +546,14 @@ func ZFSSend(ctx context.Context, fs string, from, to string, token string) (str
stdoutWriter.Close()
stream := &sendStream{
cmd: cmd,
kill: cancel,
cmd: cmd,
kill: cancel,
stdoutReader: stdoutReader,
}
return newSendStreamCopier(stream), err
}
type DrySendType string
const (
@ -563,25 +563,27 @@ const (
func DrySendTypeFromString(s string) (DrySendType, error) {
switch s {
case string(DrySendTypeFull): return DrySendTypeFull, nil
case string(DrySendTypeIncremental): return DrySendTypeIncremental, nil
case string(DrySendTypeFull):
return DrySendTypeFull, nil
case string(DrySendTypeIncremental):
return DrySendTypeIncremental, nil
default:
return "", fmt.Errorf("unknown dry send type %q", s)
}
}
type DrySendInfo struct {
Type DrySendType
Filesystem string // parsed from To field
From, To string // direct copy from ZFS output
SizeEstimate int64 // -1 if size estimate is not possible
Type DrySendType
Filesystem string // parsed from To field
From, To string // direct copy from ZFS output
SizeEstimate int64 // -1 if size estimate is not possible
}
var (
// keep same number of capture groups for unmarshalInfoLine homogenity
sendDryRunInfoLineRegexFull = regexp.MustCompile(`^(full)\t()([^\t]+@[^\t]+)\t([0-9]+)$`)
// cannot enforce '[#@]' in incremental source, see test cases
// cannot enforce '[#@]' in incremental source, see test cases
sendDryRunInfoLineRegexIncremental = regexp.MustCompile(`^(incremental)\t([^\t]+)\t([^\t]+@[^\t]+)\t([0-9]+)$`)
)
@ -602,7 +604,6 @@ func (s *DrySendInfo) unmarshalZFSOutput(output []byte) (err error) {
return fmt.Errorf("no match for info line (regex1 %s) (regex2 %s)", sendDryRunInfoLineRegexFull, sendDryRunInfoLineRegexIncremental)
}
// unmarshal info line, looks like this:
// full zroot/test/a@1 5389768
// incremental zroot/test/a@1 zroot/test/a@2 5383936
@ -653,19 +654,19 @@ func ZFSSendDry(fs string, from, to string, token string) (_ *DrySendInfo, err e
* Redacted send & recv will bring this functionality, see
* https://github.com/openzfs/openzfs/pull/484
*/
fromAbs, err := absVersion(fs, from)
if err != nil {
return nil, fmt.Errorf("error building abs version for 'from': %s", err)
}
toAbs, err := absVersion(fs, to)
if err != nil {
return nil, fmt.Errorf("error building abs version for 'to': %s", err)
}
return &DrySendInfo{
Type: DrySendTypeIncremental,
Filesystem: fs,
From: fromAbs,
To: toAbs,
fromAbs, err := absVersion(fs, from)
if err != nil {
return nil, fmt.Errorf("error building abs version for 'from': %s", err)
}
toAbs, err := absVersion(fs, to)
if err != nil {
return nil, fmt.Errorf("error building abs version for 'to': %s", err)
}
return &DrySendInfo{
Type: DrySendTypeIncremental,
Filesystem: fs,
From: fromAbs,
To: toAbs,
SizeEstimate: -1}, nil
}
@ -784,7 +785,7 @@ func ZFSRecv(ctx context.Context, fs string, streamCopier StreamCopier, opts Rec
if err != nil {
return err
}
cmd.Stdin = stdin
if err = cmd.Start(); err != nil {
@ -794,7 +795,7 @@ func ZFSRecv(ctx context.Context, fs string, streamCopier StreamCopier, opts Rec
}
stdin.Close()
defer stdinWriter.Close()
pid := cmd.Process.Pid
debug := func(format string, args ...interface{}) {
debug("recv: pid=%v: %s", pid, fmt.Sprintf(format, args...))
@ -823,7 +824,7 @@ func ZFSRecv(ctx context.Context, fs string, streamCopier StreamCopier, opts Rec
copierErr := <-copierErrChan
debug("copierErr: %T %s", copierErr, copierErr)
if copierErr != nil {
cancelCmd()
cancelCmd()
}
waitErr := <-waitErrChan
@ -838,7 +839,7 @@ func ZFSRecv(ctx context.Context, fs string, streamCopier StreamCopier, opts Rec
type ClearResumeTokenError struct {
ZFSOutput []byte
CmdError error
CmdError error
}
func (e ClearResumeTokenError) Error() string {
@ -947,13 +948,27 @@ const (
func (s zfsPropertySource) zfsGetSourceFieldPrefixes() []string {
prefixes := make([]string, 0, 7)
if s&sourceLocal != 0 {prefixes = append(prefixes, "local")}
if s&sourceDefault != 0 {prefixes = append(prefixes, "default")}
if s&sourceInherited != 0 {prefixes = append(prefixes, "inherited")}
if s&sourceNone != 0 {prefixes = append(prefixes, "-")}
if s&sourceTemporary != 0 { prefixes = append(prefixes, "temporary")}
if s&sourceReceived != 0 { prefixes = append(prefixes, "received")}
if s == sourceAny { prefixes = append(prefixes, "") }
if s&sourceLocal != 0 {
prefixes = append(prefixes, "local")
}
if s&sourceDefault != 0 {
prefixes = append(prefixes, "default")
}
if s&sourceInherited != 0 {
prefixes = append(prefixes, "inherited")
}
if s&sourceNone != 0 {
prefixes = append(prefixes, "-")
}
if s&sourceTemporary != 0 {
prefixes = append(prefixes, "temporary")
}
if s&sourceReceived != 0 {
prefixes = append(prefixes, "received")
}
if s == sourceAny {
prefixes = append(prefixes, "")
}
return prefixes
}
@ -992,7 +1007,7 @@ func zfsGet(path string, props []string, allowedSources zfsPropertySource) (*ZFS
return nil, fmt.Errorf("zfs get did not return property,value,source tuples")
}
for _, p := range allowedPrefixes {
if strings.HasPrefix(fields[2],p) {
if strings.HasPrefix(fields[2], p) {
res.m[fields[0]] = fields[1]
break
}
@ -1010,8 +1025,10 @@ func ZFSDestroy(dataset string) (err error) {
filesystem = dataset
} else {
switch dataset[idx] {
case '@': dstype = "snapshot"
case '#': dstype = "bookmark"
case '@':
dstype = "snapshot"
case '#':
dstype = "bookmark"
}
filesystem = dataset[:idx]
}