func (f *Filesystem) shouldRead(filePath string, fi os.FileInfo) (bool, error) {
if fi.Mode()&os.ModeSymlink == os.ModeSymlink {
link, err := filepath.EvalSymlinks(filePath)
if err != nil {
jww.ERROR.Printf("Cannot read symbolic link '%s', error was: %s", filePath, err)
return false, nil
}
linkfi, err := os.Stat(link)
if err != nil {
jww.ERROR.Printf("Cannot stat '%s', error was: %s", link, err)
return false, nil
}
if !linkfi.Mode().IsRegular() {
jww.ERROR.Printf("Symbolic links for directories not supported, skipping '%s'", filePath)
}
return false, nil
}
if fi.IsDir() {
if f.avoid(filePath) || isNonProcessablePath(filePath) {
return false, filepath.SkipDir
}
return false, nil
}
if isNonProcessablePath(filePath) {
return false, nil
}
return true, nil
}
func (m *MetadataEncoder) Symlink(path string, fi os.FileInfo) error {
_, err := m.e.Encode(TypeSymlink)
if err != nil {
return err
}
var link string
if filepath.IsAbs(path) {
link, err = filepath.EvalSymlinks(path)
if err != nil {
return err
}
} else {
link, err = filepath.EvalSymlinks(path)
if err != nil {
return err
}
link, err = filepath.Rel(path, link)
if err != nil {
return err
}
}
_, err = m.e.Encode(Symlink{
Name: path,
Link: link,
})
if err != nil {
return err
}
return nil
}
func (s *linkSuite) TestLinkDoUndoCurrentSymlink(c *C) {
const yaml = `name: hello
version: 1.0
`
info := snaptest.MockSnap(c, yaml, &snap.SideInfo{Revision: snap.R(11)})
err := s.be.LinkSnap(info)
c.Assert(err, IsNil)
mountDir := info.MountDir()
dataDir := info.DataDir()
currentActiveSymlink := filepath.Join(mountDir, "..", "current")
currentActiveDir, err := filepath.EvalSymlinks(currentActiveSymlink)
c.Assert(err, IsNil)
c.Assert(currentActiveDir, Equals, mountDir)
currentDataSymlink := filepath.Join(dataDir, "..", "current")
currentDataDir, err := filepath.EvalSymlinks(currentDataSymlink)
c.Assert(err, IsNil)
c.Assert(currentDataDir, Equals, dataDir)
// undo will remove the symlinks
err = s.be.UnlinkSnap(info, &s.nullProgress)
c.Assert(err, IsNil)
c.Check(osutil.FileExists(currentActiveSymlink), Equals, false)
c.Check(osutil.FileExists(currentDataSymlink), Equals, false)
}
func (p ExpBase) StoreName() map[string]string {
names := make(map[string]string)
names["exp"], _ = filepath.EvalSymlinks(p.ExpDir())
names["data"], _ = filepath.EvalSymlinks(p.DataDir())
names["param"], _ = filepath.EvalSymlinks(p.ParamDir())
return names
}
// GetLogReader returns a reader for the specified filename. In
// restricted mode, the filename must be the base name of a file in
// this process's log directory (this is safe for cases when the
// filename comes from external sources, such as the admin UI via
// HTTP). In unrestricted mode any path is allowed, with the added
// feature that relative paths will be searched in both the current
// directory and this process's log directory.
func GetLogReader(filename string, restricted bool) (io.ReadCloser, error) {
if !restricted {
if resolved, err := filepath.EvalSymlinks(filename); err == nil {
if verifyFile(resolved) == nil {
return os.Open(resolved)
}
}
}
// Verify there are no path separators in a restricted-mode pathname.
if restricted && filepath.Base(filename) != filename {
return nil, fmt.Errorf("pathnames must be basenames only: %s", filename)
}
if !filepath.IsAbs(filename) {
filename = filepath.Join(*logDir, filename)
}
if !restricted {
var err error
filename, err = filepath.EvalSymlinks(filename)
if err != nil {
return nil, err
}
}
if err := verifyFile(filename); err != nil {
return nil, err
}
return os.Open(filename)
}
func (conf *PathConf) StoreName() map[string]string {
names := make(map[string]string)
names["exp"], _ = filepath.EvalSymlinks(conf.Exp)
names["data"], _ = filepath.EvalSymlinks(conf.FeatData)
names["param"], _ = filepath.EvalSymlinks(conf.FeatParam)
return names
}
func TestEndToEndSpecialEntries(t *testing.T) {
tc := NewTestCase(t)
defer tc.Clean()
readlink, _ := filepath.EvalSymlinks(tc.FindBin("readlink"))
req := WorkRequest{
Binary: readlink,
Argv: []string{"readlink", "proc/self/exe"},
Env: testEnv(),
Dir: "/",
}
rep := tc.Run(req)
if rep.Exit.ExitStatus() != 0 {
t.Fatalf("readlink should exit cleanly. Rep %v", rep)
}
out, _ := filepath.EvalSymlinks(strings.TrimRight(rep.Stdout, "\n"))
if out != readlink {
t.Errorf("proc/self/exe point to wrong location: got %q, expect %q", out, readlink)
}
req = WorkRequest{
Binary: tc.FindBin("ls"),
Argv: []string{"ls", "proc/misc"},
Env: testEnv(),
Dir: "/",
}
rep = tc.Run(req)
if rep.Exit.ExitStatus() == 0 {
t.Fatalf("ls should have failed", rep)
}
}
func (s *SnapTestSuite) TestSetActive(c *C) {
makeTwoTestSnaps(c, snap.TypeApp)
path, err := filepath.EvalSymlinks(filepath.Join(dirs.SnapSnapsDir, fooComposedName, "current"))
c.Assert(err, IsNil)
c.Check(path, Equals, filepath.Join(dirs.SnapSnapsDir, fooComposedName, "2.0"))
path, err = filepath.EvalSymlinks(filepath.Join(dirs.SnapDataDir, fooComposedName, "current"))
c.Assert(err, IsNil)
c.Check(path, Equals, filepath.Join(dirs.SnapDataDir, fooComposedName, "2.0"))
meter := &MockProgressMeter{}
// setActive has some ugly print
devnull, err := os.Open(os.DevNull)
c.Assert(err, IsNil)
oldStdout := os.Stdout
os.Stdout = devnull
defer func() {
os.Stdout = oldStdout
}()
err = makeSnapActiveByNameAndVersion("foo", "1.0", meter)
c.Assert(err, IsNil)
path, _ = filepath.EvalSymlinks(filepath.Join(dirs.SnapSnapsDir, fooComposedName, "current"))
c.Check(path, Equals, filepath.Join(dirs.SnapSnapsDir, fooComposedName, "1.0"))
path, _ = filepath.EvalSymlinks(filepath.Join(dirs.SnapDataDir, fooComposedName, "current"))
c.Check(path, Equals, filepath.Join(dirs.SnapDataDir, fooComposedName, "1.0"))
}
func (fs osFileSystem) Symlink(oldPath, newPath string) (err error) {
fs.logger.Debug(fs.logTag, "Symlinking oldPath %s with newPath %s", oldPath, newPath)
actualOldPath, err := filepath.EvalSymlinks(oldPath)
if err != nil {
err = bosherr.WrapError(err, "Evaluating symlinks for %s", oldPath)
return
}
existingTargetedPath, err := filepath.EvalSymlinks(newPath)
if err == nil {
if existingTargetedPath == actualOldPath {
return
}
err = os.Remove(newPath)
if err != nil {
err = bosherr.WrapError(err, "Failed to delete symlimk at %s", newPath)
return
}
}
containingDir := filepath.Dir(newPath)
if !fs.FileExists(containingDir) {
fs.MkdirAll(containingDir, os.FileMode(0700))
}
return os.Symlink(oldPath, newPath)
}
func TestCanGetPath(t *testing.T) {
t.Parallel()
base, rm := TempDir()
defer rm()
s := New(0, NOW, time.Second/10, CF_FILEEVENTS, base)
s.Start()
defer s.Close()
withNew(base, func(dummyfile string) {
select {
case events := <-s.Chan:
events = getEvents(base, events)
if len(events) != 1 {
t.Errorf("Expected 1 event, got %#v.", len(events))
}
fullpath, _ := filepath.Abs(dummyfile)
fullpath, _ = filepath.EvalSymlinks(fullpath)
evPath, _ := filepath.EvalSymlinks(events[0].Path)
if evPath != fullpath {
t.Errorf("Expected %#v to equal %#v.", evPath, fullpath)
}
case <-time.After(time.Minute):
t.Errorf("timed out")
}
})
}
// ResolveHostSourcePath decides real path need to be copied with parameters such as
// whether to follow symbol link or not, if followLink is true, resolvedPath will return
// link target of any symbol link file, else it will only resolve symlink of directory
// but return symbol link file itself without resolving.
func ResolveHostSourcePath(path string, followLink bool) (resolvedPath, rebaseName string, err error) {
if followLink {
resolvedPath, err = filepath.EvalSymlinks(path)
if err != nil {
return
}
resolvedPath, rebaseName = GetRebaseName(path, resolvedPath)
} else {
dirPath, basePath := filepath.Split(path)
// if not follow symbol link, then resolve symbol link of parent dir
var resolvedDirPath string
resolvedDirPath, err = filepath.EvalSymlinks(dirPath)
if err != nil {
return
}
// resolvedDirPath will have been cleaned (no trailing path separators) so
// we can manually join it with the base path element.
resolvedPath = resolvedDirPath + string(filepath.Separator) + basePath
if hasTrailingPathSeparator(path) && filepath.Base(path) != filepath.Base(resolvedPath) {
rebaseName = filepath.Base(path)
}
}
return resolvedPath, rebaseName, nil
}
// shouldTraverse reports whether the symlink fi should, found in dir,
// should be followed. It makes sure symlinks were never visited
// before to avoid symlink loops.
func shouldTraverse(dir string, fi os.FileInfo) bool {
path := filepath.Join(dir, fi.Name())
target, err := filepath.EvalSymlinks(path)
if err != nil {
if !os.IsNotExist(err) {
fmt.Fprintln(os.Stderr, err)
}
return false
}
ts, err := os.Stat(target)
if err != nil {
fmt.Fprintln(os.Stderr, err)
return false
}
if !ts.IsDir() {
return false
}
realParent, err := filepath.EvalSymlinks(dir)
if err != nil {
fmt.Fprint(os.Stderr, err)
return false
}
realPath := filepath.Join(realParent, fi.Name())
visitedSymlinks.Lock()
defer visitedSymlinks.Unlock()
if visitedSymlinks.m == nil {
visitedSymlinks.m = make(map[string]struct{})
}
if _, ok := visitedSymlinks.m[realPath]; ok {
return false
}
visitedSymlinks.m[realPath] = struct{}{}
return true
}
// TestEvalSymlinksCanonicalNames verify that EvalSymlinks
// returns "canonical" path names on windows.
func TestEvalSymlinksCanonicalNames(t *testing.T) {
tmp, err := ioutil.TempDir("", "evalsymlinkcanonical")
if err != nil {
t.Fatal("creating temp dir:", err)
}
defer os.RemoveAll(tmp)
// ioutil.TempDir might return "non-canonical" name.
cTmpName, err := filepath.EvalSymlinks(tmp)
if err != nil {
t.Errorf("EvalSymlinks(%q) error: %v", tmp, err)
}
dirs := []string{
"test",
"test/dir",
"testing_long_dir",
"TEST2",
}
for _, d := range dirs {
dir := filepath.Join(cTmpName, d)
err := os.Mkdir(dir, 0755)
if err != nil {
t.Fatal(err)
}
cname, err := filepath.EvalSymlinks(dir)
if err != nil {
t.Errorf("EvalSymlinks(%q) error: %v", dir, err)
continue
}
if dir != cname {
t.Errorf("EvalSymlinks(%q) returns %q, but should return %q", dir, cname, dir)
continue
}
// test non-canonical names
test := strings.ToUpper(dir)
p, err := filepath.EvalSymlinks(test)
if err != nil {
t.Errorf("EvalSymlinks(%q) error: %v", test, err)
continue
}
if p != cname {
t.Errorf("EvalSymlinks(%q) returns %q, but should return %q", test, p, cname)
continue
}
// another test
test = strings.ToLower(dir)
p, err = filepath.EvalSymlinks(test)
if err != nil {
t.Errorf("EvalSymlinks(%q) error: %v", test, err)
continue
}
if p != cname {
t.Errorf("EvalSymlinks(%q) returns %q, but should return %q", test, p, cname)
continue
}
}
}
func AppConfigPath(cmd *cobra.Command) (string, error) {
if configFile, err := cmd.Flags().GetString("filename"); err == nil && configFile != "" {
fmt.Printf("using config file %s\n", configFile)
return filepath.EvalSymlinks(configFile)
}
return filepath.EvalSymlinks(".ranch.yaml")
}
func (c *hwMonCollector) hwmonName(dir string) (string, error) {
// generate a name for a sensor path
// sensor numbering depends on the order of linux module loading and
// is thus unstable.
// However the path of the device has to be stable:
// - /sys/devices/<bus>/<device>
// Some hardware monitors have a "name" file that exports a human
// readbale name that can be used.
// human readable names would be bat0 or coretemp, while a path string
// could be platform_applesmc.768
// preference 1: construct a name based on device name, always unique
devicePath, devErr := filepath.EvalSymlinks(path.Join(dir, "device"))
if devErr == nil {
devPathPrefix, devName := path.Split(devicePath)
_, devType := path.Split(strings.TrimRight(devPathPrefix, "/"))
cleanDevName := cleanMetricName(devName)
cleanDevType := cleanMetricName(devType)
if cleanDevType != "" && cleanDevName != "" {
return cleanDevType + "_" + cleanDevName, nil
}
if cleanDevName != "" {
return cleanDevName, nil
}
}
// preference 2: is there a name file
sysnameRaw, nameErr := ioutil.ReadFile(path.Join(dir, "name"))
if nameErr == nil && string(sysnameRaw) != "" {
cleanName := cleanMetricName(string(sysnameRaw))
if cleanName != "" {
return cleanName, nil
}
}
// it looks bad, name and device don't provide enough information
// return a hwmon[0-9]* name
realDir, err := filepath.EvalSymlinks(dir)
if err != nil {
return "", err
}
// take the last path element, this will be hwmonX
_, name := path.Split(realDir)
cleanName := cleanMetricName(name)
if cleanName != "" {
return cleanName, nil
}
return "", errors.New("Could not derive a monitoring name for " + dir)
}
func (parser *Parser) CheckRealPackagePath(packagePath string) string {
packagePath = strings.Trim(packagePath, "\"")
if cachedResult, ok := parser.PackagePathCache[packagePath]; ok {
return cachedResult
}
gopath := os.Getenv("GOPATH")
if gopath == "" {
log.Fatalf("Please, set $GOPATH environment variable\n")
}
// first check GOPATH
pkgRealpath := ""
gopathsList := filepath.SplitList(gopath)
for _, path := range gopathsList {
if evalutedPath, err := filepath.EvalSymlinks(filepath.Join(path, "src", packagePath)); err == nil {
if _, err := os.Stat(evalutedPath); err == nil {
pkgRealpath = evalutedPath
break
}
}
}
// next, check GOROOT (/src)
if pkgRealpath == "" {
goroot := filepath.Clean(runtime.GOROOT())
if goroot == "" {
log.Fatalf("Please, set $GOROOT environment variable\n")
}
if evalutedPath, err := filepath.EvalSymlinks(filepath.Join(goroot, "src", packagePath)); err == nil {
if _, err := os.Stat(evalutedPath); err == nil {
pkgRealpath = evalutedPath
}
}
// next, check GOROOT (/src/pkg) (for golang < v1.4)
if pkgRealpath == "" {
if evalutedPath, err := filepath.EvalSymlinks(filepath.Join(goroot, "src", "pkg", packagePath)); err == nil {
if _, err := os.Stat(evalutedPath); err == nil {
pkgRealpath = evalutedPath
}
}
}
}
// next, check relative path
if pkgRealpath == "" {
if evalutedPath, err := filepath.Abs(packagePath); err == nil {
pkgRealpath = evalutedPath
}
}
parser.PackagePathCache[packagePath] = pkgRealpath
return pkgRealpath
}
func TestManagerSymlink(t *testing.T) {
removeTestFiles()
createInputFiles()
defer removeTestFiles()
m := getManagerTest()
m.Dump()
// testing a1 symlink
symlink, err := m.Symlink("pack", "a1")
if err != nil {
t.Errorf(err.Error())
}
if !strings.HasSuffix(symlink, "/out/dirOut/a1") {
t.Errorf("symlink to a1 does not have the correct filename")
}
filename, err := filepath.EvalSymlinks(symlink)
if err != nil {
t.Errorf(err.Error())
}
if !strings.HasSuffix(filename, "/out/dirOut/a1.df54fa5f220b244f5ed919c871fe56f0") {
t.Error("symlink to a1 is not correct")
}
// testing a2.ext symlink
symlink, err = m.Symlink("pack", "subDir/a2.ext")
if err != nil {
t.Errorf(err.Error())
}
if !strings.HasSuffix(symlink, "/out/dirOut/subDir/a2.ext") {
t.Errorf("symlink to a2.ext does not have the correct filename")
}
filename, err = filepath.EvalSymlinks(symlink)
if err != nil {
t.Errorf(err.Error())
}
if !strings.HasSuffix(filename, "/out/dirOut/subDir/a2.4ee925ce5ea7f2ce1d0fe37f273dff23.ext") {
t.Error("symlink to a2.ext is not correct")
}
// testing single.ext symlink
symlink, err = m.Symlink("single")
if err != nil {
t.Errorf(err.Error())
}
if !strings.HasSuffix(symlink, "/out/single.ext") {
t.Errorf("symlink to single.ext does not have the correct filename")
}
filename, err = filepath.EvalSymlinks(symlink)
if err != nil {
t.Errorf(err.Error())
}
if !strings.HasSuffix(filename, "/out/single.b34c31dcb721861cd51bfa6f3d850524.ext") {
t.Error("symlink to single.ext is not correct")
}
}
func TestEvalSymlinks(t *testing.T) {
tmpDir, err := ioutil.TempDir("", "evalsymlink")
if err != nil {
t.Fatal("creating temp dir:", err)
}
defer os.RemoveAll(tmpDir)
// /tmp may itself be a symlink! Avoid the confusion, although
// it means trusting the thing we're testing.
tmpDir, err = filepath.EvalSymlinks(tmpDir)
if err != nil {
t.Fatal("eval symlink for tmp dir:", err)
}
// Create the symlink farm using relative paths.
for _, d := range EvalSymlinksTestDirs {
var err error
path := simpleJoin(tmpDir, d.path)
if d.dest == "" {
err = os.Mkdir(path, 0755)
} else {
if runtime.GOOS != "windows" {
err = os.Symlink(d.dest, path)
}
}
if err != nil {
t.Fatal(err)
}
}
var tests []EvalSymlinksTest
if runtime.GOOS == "windows" {
for _, d := range EvalSymlinksTests {
if d.path == d.dest {
// will test only real files and directories
tests = append(tests, d)
}
}
} else {
tests = EvalSymlinksTests
}
// Evaluate the symlink farm.
for _, d := range tests {
path := simpleJoin(tmpDir, d.path)
dest := simpleJoin(tmpDir, d.dest)
if filepath.IsAbs(d.dest) {
dest = d.dest
}
if p, err := filepath.EvalSymlinks(path); err != nil {
t.Errorf("EvalSymlinks(%q) error: %v", d.path, err)
} else if filepath.Clean(p) != filepath.Clean(dest) {
t.Errorf("Clean(%q)=%q, want %q", path, p, dest)
}
}
}
func pathsMatch(t *testing.T, path1, path2 string) bool {
eval1, err := filepath.EvalSymlinks(path1)
if err != nil {
t.Fatalf("EvalSymlinks(%v) failed: %v", path1, err)
}
eval2, err := filepath.EvalSymlinks(path2)
if err != nil {
t.Fatalf("EvalSymlinks(%v) failed: %v", path2, err)
}
return eval1 == eval2
}
// ProcessPath takes in a director of app files or a zip file which contains
// the app files. If given a zip file, it will extract the zip to a temporary
// location, call the provided callback with that location, and then clean up
// the location after the callback has been executed.
//
// This was done so that the caller of ProcessPath wouldn't need to know if it
// was a zip file or an app dir that it was given, and the caller would not be
// responsible for cleaning up the temporary directory ProcessPath creates when
// given a zip.
func (actor PushActorImpl) ProcessPath(dirOrZipFile string, f func(string) error) error {
if !actor.zipper.IsZipFile(dirOrZipFile) {
if filepath.IsAbs(dirOrZipFile) {
appDir, err := filepath.EvalSymlinks(dirOrZipFile)
if err != nil {
return err
}
err = f(appDir)
if err != nil {
return err
}
} else {
absPath, err := filepath.Abs(dirOrZipFile)
if err != nil {
return err
}
appDir, err := filepath.EvalSymlinks(absPath)
if err != nil {
return err
}
err = f(appDir)
if err != nil {
return err
}
}
return nil
}
tempDir, err := ioutil.TempDir("", "unzipped-app")
if err != nil {
return err
}
err = actor.zipper.Unzip(dirOrZipFile, tempDir)
if err != nil {
return err
}
err = f(tempDir)
if err != nil {
return err
}
err = os.RemoveAll(tempDir)
if err != nil {
return err
}
return nil
}
// serve an individual query
func handleSnapshot(rw http.ResponseWriter, req *http.Request, snapshotDir string, allowedPaths []string) {
// if we get any error, we'll try to write a server error
// (it will fail if the header has already been written, but at least
// we won't crash vttablet)
defer func() {
if x := recover(); x != nil {
log.Errorf("vttablet http server panic: %v", x)
http.Error(rw, fmt.Sprintf("500 internal server error: %v", x), http.StatusInternalServerError)
}
}()
// /snapshot must be rewritten to the actual location of the snapshot.
relative, err := filepath.Rel(mysqlctl.SnapshotURLPath, req.URL.Path)
if err != nil {
log.Errorf("bad snapshot relative path %v %v", req.URL.Path, err)
http.Error(rw, "400 bad request", http.StatusBadRequest)
return
}
// Make sure that realPath is absolute and resolve any escaping from
// snapshotDir through a symlink.
realPath, err := filepath.Abs(path.Join(snapshotDir, relative))
if err != nil {
log.Errorf("bad snapshot absolute path %v %v", req.URL.Path, err)
http.Error(rw, "400 bad request", http.StatusBadRequest)
return
}
realPath, err = filepath.EvalSymlinks(realPath)
if err != nil {
log.Errorf("bad snapshot symlink eval %v %v", req.URL.Path, err)
http.Error(rw, "400 bad request", http.StatusBadRequest)
return
}
// Resolve all the possible roots and make sure we're serving
// from one of them
for _, allowedPath := range allowedPaths {
// eval the symlinks of the allowed path
allowedPath, err := filepath.EvalSymlinks(allowedPath)
if err != nil {
continue
}
if strings.HasPrefix(realPath, allowedPath) {
sendFile(rw, req, realPath)
return
}
}
log.Errorf("bad snapshot real path %v %v", req.URL.Path, realPath)
http.Error(rw, "400 bad request", http.StatusBadRequest)
}
// New creates a welcome widget with informations about the program.
//
func New(source cftype.Source, log cdtype.Logger, switcher *pageswitch.Switcher) cftype.Grouper {
const group = "Dev"
title := tran.Slate("hi")
// all packages in the application gopath.
pathGoTest := strings.Join(append(cdglobal.AppBuildPath, "..."), "/")
pathTestConfCmd := cdglobal.AppBuildPathFull("test", "confcmd", "confcmd.go")
pathTestConfGUI := cdglobal.AppBuildPathFull("test", "confgui", "confgui.go")
pathTestConfCmd, _ = filepath.EvalSymlinks(pathTestConfCmd)
pathTestConfGUI, _ = filepath.EvalSymlinks(pathTestConfGUI)
printConfig := func(showAll bool) {
path := source.MainConfigFile()
def := source.MainConfigDefault()
otherSw := pageswitch.New()
defer otherSw.Destroy()
build, e := cfbuild.NewFromFile(source, log, path, def, "")
if !log.Err(e, "load current dock config file") {
// build.BuildSingle("TaskBar")
build.BuildAll(otherSw)
println("conf", path, def)
cfprint.Default(build, showAll)
build.Destroy()
}
}
buildInfo := cfbuild.TweakAddGroup(group,
newkey.TextLabel(group, "txt_title", common.Bold(common.Big(title))),
newkey.Separator(group, "sep_title"),
newkey.TextLabel(group, "txt_dev_page", "Test page, with useful tools for the developer."),
newkey.CustomButtonLabel(group, "printConfig", "Print configuration", "show mainconf edited", func() { printConfig(false) }),
newkey.CustomButtonLabel(group, "printConfig", "Print configuration", "show mainconf all", func() { printConfig(true) }),
newkey.Separator(group, "sep_go_area"),
newkey.TextLabel(group, "txt_go_area", "<b>Those commands requires the application sources in their Go environment</b>."),
newkey.Separator(group, "sep_tests_gui"),
newkey.LaunchCommand(group, "testConfGUI", "Launch config GUI test", "go run "+pathTestConfGUI),
newkey.Separator(group, "sep_tests_cmd"),
newkey.LaunchCommand(group, "testConfGUI", "Launch config console test", "go run "+pathTestConfCmd),
newkey.LaunchCommand(group, "testConfGUI", "Launch config console mainconf diff", "go run "+pathTestConfCmd+" "+source.MainConfigFile()),
newkey.Separator(group, "sep_tests_go"),
newkey.LaunchCommand(group, "gotest", "Launch go tests", "go test "+pathGoTest),
newkey.LaunchCommand(group, "golint", "Launch go lint", "golint "+pathGoTest),
newkey.LaunchCommand(group, "govet", "Launch go vet", "go vet "+pathGoTest),
)
build := cfbuild.NewVirtual(source, log, "", "", "").BuildAll(switcher, buildInfo)
build.ShowAll()
return build
}
func TestStartupInHomeDir(t *testing.T) {
cv.Convey("On 'goq serve' startup, the process should Chdir to GOQ_HOME", t, func() {
var jobserv *JobServ
var err error
var jobservPid int
remote := false
// *** universal test cfg setup
skipbye := false
// this will move us to a new tempdir
cfg := NewTestConfig()
// now move away so we can check that there is a Chdir
cv.So(cfg.tempdir, cv.ShouldNotEqual, cfg.origdir)
err = os.Chdir("..")
if err != nil {
panic(err)
}
pwd, err := os.Getwd()
if err != nil {
panic(err)
}
cv.So(pwd, cv.ShouldNotEqual, cfg.Home)
defer cfg.ByeTestConfig(&skipbye)
// *** end universal test setup
cfg.DebugMode = true // reply to badsig packets
// local only, because we use Getwd() to see what dir we are in.
jobserv, err = NewJobServ(cfg)
if err != nil {
panic(err)
}
defer CleanupServer(cfg, jobservPid, jobserv, remote, &skipbye)
defer CleanupOutdir(cfg)
pwd, err = os.Getwd()
if err != nil {
panic(err)
}
epwd, _ := filepath.EvalSymlinks(pwd)
ecfg, _ := filepath.EvalSymlinks(cfg.Home)
cv.So(epwd, cv.ShouldEqual, ecfg)
})
}
func TestEvalSymlinks(t *testing.T) {
switch runtime.GOOS {
case "android", "nacl", "plan9":
t.Skipf("skipping on %s", runtime.GOOS)
}
if !supportsSymlinks {
t.Skip("skipping because symlinks are not supported")
}
tmpDir, err := ioutil.TempDir("", "evalsymlink")
if err != nil {
t.Fatal("creating temp dir:", err)
}
defer os.RemoveAll(tmpDir)
// /tmp may itself be a symlink! Avoid the confusion, although
// it means trusting the thing we're testing.
tmpDir, err = filepath.EvalSymlinks(tmpDir)
if err != nil {
t.Fatal("eval symlink for tmp dir:", err)
}
// Create the symlink farm using relative paths.
for _, d := range EvalSymlinksTestDirs {
var err error
path := simpleJoin(tmpDir, d.path)
if d.dest == "" {
err = os.Mkdir(path, 0755)
} else {
err = os.Symlink(d.dest, path)
}
if err != nil {
t.Fatal(err)
}
}
// Evaluate the symlink farm.
for _, d := range EvalSymlinksTests {
path := simpleJoin(tmpDir, d.path)
dest := simpleJoin(tmpDir, d.dest)
if filepath.IsAbs(d.dest) || os.IsPathSeparator(d.dest[0]) {
dest = d.dest
}
if p, err := filepath.EvalSymlinks(path); err != nil {
t.Errorf("EvalSymlinks(%q) error: %v", d.path, err)
} else if filepath.Clean(p) != filepath.Clean(dest) {
t.Errorf("Clean(%q)=%q, want %q", path, p, dest)
}
}
}
func main() {
link := "link_file"
dest, err := filepath.EvalSymlinks(link)
if err != nil {
fmt.Println(err)
}
fmt.Println(dest)
link = "regular_file.txt"
dest, err = filepath.EvalSymlinks(link)
if err != nil {
fmt.Println(err)
}
fmt.Println(dest)
}
// shouldTraverse checks if fi, found in dir, is a directory or a symlink to a directory.
// It makes sure symlinks were never visited before to avoid symlink loops.
func shouldTraverse(dir string, fi os.FileInfo) bool {
if fi.IsDir() {
if skipDir(fi) {
if Debug {
log.Printf("skipping directory %q under %s", fi.Name(), dir)
}
return false
}
return true
}
if fi.Mode()&os.ModeSymlink == 0 {
return false
}
path := filepath.Join(dir, fi.Name())
target, err := filepath.EvalSymlinks(path)
if err != nil {
if !os.IsNotExist(err) {
fmt.Fprintln(os.Stderr, err)
}
return false
}
ts, err := os.Stat(target)
if err != nil {
fmt.Fprintln(os.Stderr, err)
return false
}
if !ts.IsDir() {
return false
}
realParent, err := filepath.EvalSymlinks(dir)
if err != nil {
fmt.Fprint(os.Stderr, err)
return false
}
realPath := filepath.Join(realParent, fi.Name())
visitedSymlinks.Lock()
defer visitedSymlinks.Unlock()
if visitedSymlinks.m == nil {
visitedSymlinks.m = make(map[string]struct{})
}
if _, ok := visitedSymlinks.m[realPath]; ok {
return false
}
visitedSymlinks.m[realPath] = struct{}{}
return true
}
// Unmounts the device and detaches the disk from the kubelet's host machine.
// Expects a GCE device path symlink. Ex: /dev/disk/by-id/google-mydisk-part1
func (util *GCEDiskUtil) DetachDisk(pd *gcePersistentDisk, devicePath string) error {
// Follow the symlink to the actual device path.
canonicalDevicePath, err := filepath.EvalSymlinks(devicePath)
if err != nil {
return err
}
deviceName, err := getDeviceName(devicePath, canonicalDevicePath)
if err != nil {
return err
}
globalPDPath := makeGlobalPDName(pd.plugin.host, deviceName, pd.readOnly)
if err := pd.mounter.Unmount(globalPDPath, 0); err != nil {
return err
}
if err := os.RemoveAll(globalPDPath); err != nil {
return err
}
gce, err := cloudprovider.GetCloudProvider("gce", nil)
if err != nil {
return err
}
if err := gce.(*gce_cloud.GCECloud).DetachDisk(deviceName); err != nil {
return err
}
return nil
}
// RunFile returns the directory and file location where the binary generated
// for sourcefile should be put. In case the directory does not yet exist, it
// will be created by RunDir.
func RunFile(sourcefile string) (rundir, runfile string, err os.Error) {
rundir, err = RunDir()
if err != nil {
return "", "", err
}
sourcefile, err = filepath.Abs(sourcefile)
if err != nil {
return "", "", err
}
sourcefile, err = filepath.EvalSymlinks(sourcefile)
if err != nil {
return "", "", err
}
runfile = strings.Replace(sourcefile, "%", "%%", -1)
if os.Getenv("GOOS") != "windows" {
runfile = strings.Replace(runfile, string(filepath.Separator), "%", -1)
runfile = runfile
} else {
runfile = strings.Replace(runfile, string(filepath.Separator), "_", -1)
runfile = strings.Replace(runfile, ":", "_", -1)
}
runfile = filepath.Join(rundir, runfile)
return rundir, runfile, nil
}
func (s *SnapLocalRepository) partsForGlobExpr(globExpr string) (parts []Part, err error) {
matches, err := filepath.Glob(globExpr)
if err != nil {
return nil, err
}
for _, yamlfile := range matches {
// skip "current" and similar symlinks
realpath, err := filepath.EvalSymlinks(yamlfile)
if err != nil {
return nil, err
}
if realpath != yamlfile {
continue
}
origin, _ := originFromYamlPath(realpath)
snap, err := NewInstalledSnapPart(realpath, origin)
if err != nil {
return nil, err
}
parts = append(parts, snap)
}
return parts, nil
}
// GetDeviceNameFromMount: given a mnt point, find the device from /proc/mounts
// returns the device name, reference count, and error code
func GetDeviceNameFromMount(mounter Interface, mountPath string) (string, int, error) {
mps, err := mounter.List()
if err != nil {
return "", 0, err
}
// Find the device name.
// FIXME if multiple devices mounted on the same mount path, only the first one is returned
device := ""
// If mountPath is symlink, need get its target path.
slTarget, err := filepath.EvalSymlinks(mountPath)
if err != nil {
slTarget = mountPath
}
for i := range mps {
if mps[i].Path == slTarget {
device = mps[i].Device
break
}
}
// Find all references to the device.
refCount := 0
for i := range mps {
if mps[i].Device == device {
refCount++
}
}
return device, refCount, nil
}