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resolve symlink on each run

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This commit is contained in:
Arno Uhlig 2018-09-20 11:46:32 +02:00
parent 667ca3d54d
commit 6b2d91815a
2 changed files with 28 additions and 23 deletions
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48
pkg/services/provisioning/dashboards/file_reader.go
View File

@ -43,26 +43,6 @@ func NewDashboardFileReader(cfg *DashboardsAsConfig, log log.Logger) (*fileReade
log.Warn("[Deprecated] The folder property is deprecated. Please use path instead.")
}
if _, err := os.Stat(path); os.IsNotExist(err) {
log.Error("Cannot read directory", "error", err)
}
copy := path
path, err := filepath.Abs(path)
if err != nil {
log.Error("Could not create absolute path ", "path", path)
}
path, err = filepath.EvalSymlinks(path)
if err != nil {
log.Error("Failed to read content of symlinked path: %s", path)
}
if path == "" {
path = copy
log.Info("falling back to original path due to EvalSymlink/Abs failure")
}
return &fileReader{
Cfg: cfg,
Path: path,
@ -99,7 +79,8 @@ func (fr *fileReader) ReadAndListen(ctx context.Context) error {
}
func (fr *fileReader) startWalkingDisk() error {
if _, err := os.Stat(fr.Path); err != nil {
resolvedPath := fr.resolvePath(fr.Path)
if _, err := os.Stat(resolvedPath); err != nil {
if os.IsNotExist(err) {
return err
}
@ -116,7 +97,7 @@ func (fr *fileReader) startWalkingDisk() error {
}
filesFoundOnDisk := map[string]os.FileInfo{}
err = filepath.Walk(fr.Path, createWalkFn(filesFoundOnDisk))
err = filepath.Walk(resolvedPath, createWalkFn(filesFoundOnDisk))
if err != nil {
return err
}
@ -344,6 +325,29 @@ func (fr *fileReader) readDashboardFromFile(path string, lastModified time.Time,
}, nil
}
func (fr *fileReader) resolvePath(path string) string {
if _, err := os.Stat(path); os.IsNotExist(err) {
fr.log.Error("Cannot read directory", "error", err)
}
copy := path
path, err := filepath.Abs(path)
if err != nil {
fr.log.Error("Could not create absolute path ", "path", path)
}
path, err = filepath.EvalSymlinks(path)
if err != nil {
fr.log.Error("Failed to read content of symlinked path: %s", path)
}
if path == "" {
path = copy
fr.log.Info("falling back to original path due to EvalSymlink/Abs failure")
}
return path
}
type provisioningMetadata struct {
uid string
title string

3
pkg/services/provisioning/dashboards/file_reader_test.go
View File

@ -67,7 +67,8 @@ func TestCreatingNewDashboardFileReader(t *testing.T) {
reader, err := NewDashboardFileReader(cfg, log.New("test-logger"))
So(err, ShouldBeNil)
So(filepath.IsAbs(reader.Path), ShouldBeTrue)
resolvedPath := reader.resolvePath(reader.Path)
So(filepath.IsAbs(resolvedPath), ShouldBeTrue)
})
})
}