当前位置: 首页>>代码示例>>Golang>>正文


Golang snap.Info类代码示例

本文整理汇总了Golang中github.com/ubuntu-core/snappy/snap.Info的典型用法代码示例。如果您正苦于以下问题:Golang Info类的具体用法?Golang Info怎么用?Golang Info使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。


在下文中一共展示了Info类的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。

示例1: addPackageDesktopFiles

func addPackageDesktopFiles(s *snap.Info) error {
	if err := os.MkdirAll(dirs.SnapDesktopFilesDir, 0755); err != nil {
		return err
	}

	baseDir := s.MountDir()

	desktopFiles, err := filepath.Glob(filepath.Join(baseDir, "meta", "gui", "*.desktop"))
	if err != nil {
		return fmt.Errorf("cannot get desktop files for %v: %s", baseDir, err)
	}

	for _, df := range desktopFiles {
		content, err := ioutil.ReadFile(df)
		if err != nil {
			return err
		}

		realBaseDir := stripGlobalRootDir(baseDir)
		content = sanitizeDesktopFile(s, realBaseDir, content)

		installedDesktopFileName := filepath.Join(dirs.SnapDesktopFilesDir, fmt.Sprintf("%s_%s", s.Name(), filepath.Base(df)))
		if err := osutil.AtomicWriteFile(installedDesktopFileName, []byte(content), 0755, 0); err != nil {
			return err
		}
	}

	return nil
}
开发者ID:dholbach,项目名称:snappy,代码行数:29,代码来源:desktop.go

示例2: UnlinkSnap

// UnlinkSnap deactivates the given active snap.
func UnlinkSnap(info *snap.Info, inter interacter) error {
	mountDir := info.MountDir()

	currentSymlink := filepath.Join(mountDir, "..", "current")
	currentActiveDir, err := filepath.EvalSymlinks(currentSymlink)
	if err != nil {
		if os.IsNotExist(err) {
			return ErrSnapNotActive
		}
		return err
	}
	if mountDir != currentActiveDir {
		return ErrSnapNotActive
	}

	// remove generated services, binaries, security policy
	err1 := RemoveGeneratedWrappers(info, inter)

	// removing security setup move here!

	// and finally remove current symlink
	err2 := removeCurrentSymlink(info, inter)

	// FIXME: aggregate errors instead
	return firstErr(err1, err2)
}
开发者ID:dholbach,项目名称:snappy,代码行数:27,代码来源:overlord.go

示例3: canInstall

// CanInstall checks whether the Snap passes a series of tests required for installation
func canInstall(s *snap.Info, snapf snap.File, curInfo *snap.Info, allowGadget bool, inter interacter) error {
	// verify we have a valid architecture
	if !arch.IsSupportedArchitecture(s.Architectures) {
		return &ErrArchitectureNotSupported{s.Architectures}
	}

	if s.Type == snap.TypeGadget {
		if !allowGadget {
			if currentGadget, err := getGadget(); err == nil {
				if currentGadget.Name() != s.Name() {
					return ErrGadgetPackageInstall
				}
			} else {
				// there should always be a gadget package now
				return ErrGadgetPackageInstall
			}
		}
	}

	if err := checkLicenseAgreement(s, snapf, curInfo, inter); err != nil {
		return err
	}

	return nil
}
开发者ID:dholbach,项目名称:snappy,代码行数:26,代码来源:overlord.go

示例4: addPackageBinaries

func addPackageBinaries(s *snap.Info) error {
	if err := os.MkdirAll(dirs.SnapBinariesDir, 0755); err != nil {
		return err
	}

	baseDir := s.MountDir()

	for _, app := range s.Apps {
		if app.Daemon != "" {
			continue
		}

		// this will remove the global base dir when generating the
		// service file, this ensures that /snap/foo/1.0/bin/start
		// is in the service file when the SetRoot() option
		// is used
		realBaseDir := stripGlobalRootDir(baseDir)
		content, err := generateSnapBinaryWrapper(app, realBaseDir)
		if err != nil {
			return err
		}

		if err := osutil.AtomicWriteFile(app.WrapperPath(), []byte(content), 0755, 0); err != nil {
			return err
		}
	}

	return nil
}
开发者ID:dholbach,项目名称:snappy,代码行数:29,代码来源:binaries.go

示例5: RemoveSnapData

func (f *fakeSnappyBackend) RemoveSnapData(info *snap.Info) error {
	f.ops = append(f.ops, fakeOp{
		op:   "remove-snap-data",
		name: info.MountDir(),
	})
	return nil
}
开发者ID:dholbach,项目名称:snappy,代码行数:7,代码来源:backend_test.go

示例6: Download

// Download downloads the given snap and returns its filename.
// The file is saved in temporary storage, and should be removed
// after use to prevent the disk from running out of space.
func (s *SnapUbuntuStoreRepository) Download(remoteSnap *snap.Info, pbar progress.Meter, auther Authenticator) (path string, err error) {
	w, err := ioutil.TempFile("", remoteSnap.Name())
	if err != nil {
		return "", err
	}
	defer func() {
		if cerr := w.Close(); cerr != nil && err == nil {
			err = cerr
		}
		if err != nil {
			os.Remove(w.Name())
			path = ""
		}
	}()

	url := remoteSnap.AnonDownloadURL
	if url == "" || auther != nil {
		url = remoteSnap.DownloadURL
	}

	req, err := http.NewRequest("GET", url, nil)
	if err != nil {
		return "", err
	}
	s.applyUbuntuStoreHeaders(req, "", auther)

	if err := download(remoteSnap.Name(), w, req, pbar); err != nil {
		return "", err
	}

	return w.Name(), w.Sync()
}
开发者ID:dholbach,项目名称:snappy,代码行数:35,代码来源:snap_remote_repo.go

示例7: UndoCopySnapData

func (f *fakeSnappyBackend) UndoCopySnapData(newInfo *snap.Info, flags int) error {
	f.ops = append(f.ops, fakeOp{
		op:   "undo-copy-snap-data",
		name: newInfo.MountDir(),
	})
	return nil
}
开发者ID:dholbach,项目名称:snappy,代码行数:7,代码来源:backend_test.go

示例8: setNextBoot

// setNextBoot will schedule the given os or kernel snap to be used in
// the next boot
func setNextBoot(s *snap.Info) error {
	if s.Type != snap.TypeOS && s.Type != snap.TypeKernel {
		return nil
	}

	bootloader, err := findBootloader()
	if err != nil {
		return fmt.Errorf("can not set next boot: %s", err)
	}

	var bootvar string
	switch s.Type {
	case snap.TypeOS:
		bootvar = "snappy_os"
	case snap.TypeKernel:
		bootvar = "snappy_kernel"
	}
	blobName := filepath.Base(s.MountFile())
	if err := bootloader.SetBootVar(bootvar, blobName); err != nil {
		return err
	}

	if err := bootloader.SetBootVar("snappy_mode", "try"); err != nil {
		return err
	}

	return nil
}
开发者ID:dholbach,项目名称:snappy,代码行数:30,代码来源:kernel_os.go

示例9: UndoCopyData

func UndoCopyData(newInfo *snap.Info, flags InstallFlags, meter progress.Meter) {
	// XXX we were copying data, assume InhibitHooks was false

	if err := RemoveSnapData(newInfo); err != nil {
		logger.Noticef("When cleaning up data for %s %s: %v", newInfo.Name(), newInfo.Version, err)
	}

}
开发者ID:dholbach,项目名称:snappy,代码行数:8,代码来源:overlord.go

示例10: snapDate

// snapDate returns the time of the snap mount directory.
func snapDate(info *snap.Info) time.Time {
	st, err := os.Stat(info.MountDir())
	if err != nil {
		return time.Time{}
	}

	return st.ModTime()
}
开发者ID:dholbach,项目名称:snappy,代码行数:9,代码来源:snap.go

示例11: UnlinkSnap

func (f *fakeSnappyBackend) UnlinkSnap(info *snap.Info, meter progress.Meter) error {
	meter.Notify("unlink")
	f.ops = append(f.ops, fakeOp{
		op:   "unlink-snap",
		name: info.MountDir(),
	})
	return nil
}
开发者ID:dholbach,项目名称:snappy,代码行数:8,代码来源:backend_test.go

示例12: CanRemove

func (f *fakeSnappyBackend) CanRemove(info *snap.Info, active bool) bool {
	f.ops = append(f.ops, fakeOp{
		op:     "can-remove",
		name:   info.MountDir(),
		active: active,
	})
	return true
}
开发者ID:dholbach,项目名称:snappy,代码行数:8,代码来源:backend_test.go

示例13: snapIcon

// snapIcon tries to find the icon inside the snap
func snapIcon(info *snap.Info) string {
	// XXX: copy of snap.Snap.Icon which will go away
	found, _ := filepath.Glob(filepath.Join(info.MountDir(), "meta", "gui", "icon.*"))
	if len(found) == 0 {
		return ""
	}

	return found[0]
}
开发者ID:dholbach,项目名称:snappy,代码行数:10,代码来源:snap.go

示例14: extractKernelAssets

// extractKernelAssets extracts kernel/initrd/dtb data from the given
// Snap to a versionized bootloader directory so that the bootloader
// can use it.
func extractKernelAssets(s *snap.Info, snapf snap.File, flags InstallFlags, inter progress.Meter) error {
	if s.Type != snap.TypeKernel {
		return fmt.Errorf("can not extract kernel assets from snap type %q", s.Type)
	}

	bootloader, err := findBootloader()
	if err != nil {
		return fmt.Errorf("can not extract kernel assets: %s", err)
	}

	// check if we are on a "grub" system. if so, no need to unpack
	// the kernel
	if oem, err := getGadget(); err == nil {
		if oem.Legacy.Gadget.Hardware.Bootloader == "grub" {
			return nil
		}
	}

	// now do the kernel specific bits
	blobName := filepath.Base(s.MountFile())
	dstDir := filepath.Join(bootloader.Dir(), blobName)
	if err := os.MkdirAll(dstDir, 0755); err != nil {
		return err
	}
	dir, err := os.Open(dstDir)
	if err != nil {
		return err
	}
	defer dir.Close()

	for _, src := range []string{s.Legacy.Kernel, s.Legacy.Initrd} {
		if src == "" {
			continue
		}
		if err := snapf.Unpack(src, dstDir); err != nil {
			return err
		}
		src = filepath.Join(dstDir, src)
		dst := filepath.Join(dstDir, dropVersionSuffix(src))
		if err := os.Rename(src, dst); err != nil {
			return err
		}
		if err := dir.Sync(); err != nil {
			return err
		}
	}
	if s.Legacy.Dtbs != "" {
		src := filepath.Join(s.Legacy.Dtbs, "*")
		dst := dstDir
		if err := snapf.Unpack(src, dst); err != nil {
			return err
		}
	}

	return dir.Sync()
}
开发者ID:dholbach,项目名称:snappy,代码行数:59,代码来源:kernel_os.go

示例15: updateSnap

// updateSnap "updates" an existing snap from YAML.
func (s *backendSuite) updateSnap(c *C, oldSnapInfo *snap.Info, devMode bool, snapYaml string) *snap.Info {
	newSnapInfo, err := snap.InfoFromSnapYaml([]byte(snapYaml))
	c.Assert(err, IsNil)
	c.Assert(newSnapInfo.Name(), Equals, oldSnapInfo.Name())
	s.removePlugsSlots(c, oldSnapInfo)
	s.addPlugsSlots(c, newSnapInfo)
	err = s.backend.Setup(newSnapInfo, devMode, s.repo)
	c.Assert(err, IsNil)
	return newSnapInfo
}
开发者ID:dholbach,项目名称:snappy,代码行数:11,代码来源:backend_test.go


注:本文中的github.com/ubuntu-core/snappy/snap.Info类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。