Golang stringutils.InSlice函数代码示例

func (s *DockerSuite) TestInspectApiImageResponse(c *check.C) {
	dockerCmd(c, "tag", "busybox:latest", "busybox:mytag")

	endpoint := "/images/busybox/json"
	status, body, err := sockRequest("GET", endpoint, nil)

	c.Assert(err, checker.IsNil)
	c.Assert(status, checker.Equals, http.StatusOK)

	var imageJSON types.ImageInspect
	err = json.Unmarshal(body, &imageJSON)
	c.Assert(err, checker.IsNil, check.Commentf("Unable to unmarshal body for latest version"))
	c.Assert(imageJSON.RepoTags, checker.HasLen, 2)

	c.Assert(stringutils.InSlice(imageJSON.RepoTags, "busybox:latest"), checker.Equals, true)
	c.Assert(stringutils.InSlice(imageJSON.RepoTags, "busybox:mytag"), checker.Equals, true)
}

func (s *DockerSuite) TestInspectApiImageResponse(c *check.C) {
	dockerCmd(c, "tag", "busybox:latest", "busybox:mytag")

	endpoint := "/images/busybox/json"
	status, body, err := sockRequest("GET", endpoint, nil)

	c.Assert(err, check.IsNil)
	c.Assert(status, check.Equals, http.StatusOK)

	var imageJSON types.ImageInspect
	if err = json.Unmarshal(body, &imageJSON); err != nil {
		c.Fatalf("unable to unmarshal body for latest version: %v", err)
	}

	c.Assert(len(imageJSON.Tags), check.Equals, 2)

	c.Assert(stringutils.InSlice(imageJSON.Tags, "busybox:latest"), check.Equals, true)
	c.Assert(stringutils.InSlice(imageJSON.Tags, "busybox:mytag"), check.Equals, true)
}

func dropList(drops []string) ([]string, error) {
	if stringutils.InSlice(drops, "all") {
		var newCaps []string
		for _, capName := range execdriver.GetAllCapabilities() {
			cap := execdriver.GetCapability(capName)
			logrus.Debugf("drop cap %s\n", cap.Key)
			numCap := fmt.Sprintf("%d", cap.Value)
			newCaps = append(newCaps, numCap)
		}
		return newCaps, nil
	}
	return []string{}, nil
}

// TweakCapabilities can tweak capabilities by adding or dropping capabilities
// based on the basics capabilities.
func TweakCapabilities(basics, adds, drops []string) ([]string, error) {
	var (
		newCaps []string
		allCaps = GetAllCapabilities()
	)

	// FIXME(tonistiigi): docker format is without CAP_ prefix, oci is with prefix
	// Currently they are mixed in here. We should do conversion in one place.

	// look for invalid cap in the drop list
	for _, cap := range drops {
		if strings.ToLower(cap) == "all" {
			continue
		}

		if !stringutils.InSlice(allCaps, "CAP_"+cap) {
			return nil, fmt.Errorf("Unknown capability drop: %q", cap)
		}
	}

	// handle --cap-add=all
	if stringutils.InSlice(adds, "all") {
		basics = allCaps
	}

	if !stringutils.InSlice(drops, "all") {
		for _, cap := range basics {
			// skip `all` already handled above
			if strings.ToLower(cap) == "all" {
				continue
			}

			// if we don't drop `all`, add back all the non-dropped caps
			if !stringutils.InSlice(drops, cap[4:]) {
				newCaps = append(newCaps, strings.ToUpper(cap))
			}
		}
	}

	for _, cap := range adds {
		// skip `all` already handled above
		if strings.ToLower(cap) == "all" {
			continue
		}

		cap = "CAP_" + cap

		if !stringutils.InSlice(allCaps, cap) {
			return nil, fmt.Errorf("Unknown capability to add: %q", cap)
		}

		// add cap if not already in the list
		if !stringutils.InSlice(newCaps, cap) {
			newCaps = append(newCaps, strings.ToUpper(cap))
		}
	}
	return newCaps, nil
}

// TweakCapabilities can tweak capabilities by adding or dropping capabilities
// based on the basics capabilities.
func TweakCapabilities(basics, adds, drops []string) ([]string, error) {
	var (
		newCaps []string
		allCaps = GetAllCapabilities()
	)

	// look for invalid cap in the drop list
	for _, cap := range drops {
		if strings.ToLower(cap) == "all" {
			continue
		}
		if !stringutils.InSlice(allCaps, cap) {
			return nil, fmt.Errorf("Unknown capability drop: %q", cap)
		}
	}

	// handle --cap-add=all
	if stringutils.InSlice(adds, "all") {
		basics = allCaps
	}

	if !stringutils.InSlice(drops, "all") {
		for _, cap := range basics {
			// skip `all` aready handled above
			if strings.ToLower(cap) == "all" {
				continue
			}

			// if we don't drop `all`, add back all the non-dropped caps
			if !stringutils.InSlice(drops, cap) {
				newCaps = append(newCaps, strings.ToUpper(cap))
			}
		}
	}

	for _, cap := range adds {
		// skip `all` aready handled above
		if strings.ToLower(cap) == "all" {
			continue
		}

		if !stringutils.InSlice(allCaps, cap) {
			return nil, fmt.Errorf("Unknown capability to add: %q", cap)
		}

		// add cap if not already in the list
		if !stringutils.InSlice(newCaps, cap) {
			newCaps = append(newCaps, strings.ToUpper(cap))
		}
	}

	return newCaps, nil
}

func (s *DockerRegistrySuite) TestInspectImageWithDigests(c *check.C) {
	digest, err := setupImage(c)
	c.Assert(err, check.IsNil, check.Commentf("error setting up image"))

	imageReference := fmt.Sprintf("%[email protected]%s", repoName, digest)

	// pull from the registry using the <name>@<digest> reference
	dockerCmd(c, "pull", imageReference)

	out, _ := dockerCmd(c, "inspect", imageReference)

	var imageJSON []types.ImageInspect
	err = json.Unmarshal([]byte(out), &imageJSON)
	c.Assert(err, checker.IsNil)
	c.Assert(imageJSON, checker.HasLen, 1)
	c.Assert(imageJSON[0].RepoDigests, checker.HasLen, 1)
	c.Assert(stringutils.InSlice(imageJSON[0].RepoDigests, imageReference), checker.Equals, true)
}

func (s *DockerRegistrySuite) TestInspectImageWithDigests(c *check.C) {
	digest, err := setupImage(c)
	c.Assert(err, check.IsNil, check.Commentf("error setting up image: %v", err))

	imageReference := fmt.Sprintf("%[email protected]%s", repoName, digest)

	// pull from the registry using the <name>@<digest> reference
	dockerCmd(c, "pull", imageReference)

	out, _ := dockerCmd(c, "inspect", imageReference)

	var imageJSON []types.ImageInspect
	if err = json.Unmarshal([]byte(out), &imageJSON); err != nil {
		c.Fatalf("unable to unmarshal body for latest version: %v", err)
	}

	c.Assert(len(imageJSON), check.Equals, 1)
	c.Assert(len(imageJSON[0].RepoDigests), check.Equals, 1)
	c.Assert(stringutils.InSlice(imageJSON[0].RepoDigests, imageReference), check.Equals, true)
}

func setMounts(daemon *Daemon, s *specs.Spec, c *container.Container, mounts []container.Mount) error {
	userMounts := make(map[string]struct{})
	for _, m := range mounts {
		userMounts[m.Destination] = struct{}{}
	}

	// Filter out mounts that are overridden by user supplied mounts
	var defaultMounts []specs.Mount
	_, mountDev := userMounts["/dev"]
	for _, m := range s.Mounts {
		if _, ok := userMounts[m.Destination]; !ok {
			if mountDev && strings.HasPrefix(m.Destination, "/dev/") {
				continue
			}
			defaultMounts = append(defaultMounts, m)
		}
	}

	s.Mounts = defaultMounts
	for _, m := range mounts {
		for _, cm := range s.Mounts {
			if cm.Destination == m.Destination {
				return fmt.Errorf("Duplicate mount point '%s'", m.Destination)
			}
		}

		if m.Source == "tmpfs" {
			data := c.HostConfig.Tmpfs[m.Destination]
			options := []string{"noexec", "nosuid", "nodev", string(volume.DefaultPropagationMode)}
			if data != "" {
				options = append(options, strings.Split(data, ",")...)
			}

			merged, err := mount.MergeTmpfsOptions(options)
			if err != nil {
				return err
			}

			s.Mounts = append(s.Mounts, specs.Mount{Destination: m.Destination, Source: m.Source, Type: "tmpfs", Options: merged})
			continue
		}

		mt := specs.Mount{Destination: m.Destination, Source: m.Source, Type: "bind"}

		// Determine property of RootPropagation based on volume
		// properties. If a volume is shared, then keep root propagation
		// shared. This should work for slave and private volumes too.
		//
		// For slave volumes, it can be either [r]shared/[r]slave.
		//
		// For private volumes any root propagation value should work.
		pFlag := mountPropagationMap[m.Propagation]
		if pFlag == mount.SHARED || pFlag == mount.RSHARED {
			if err := ensureShared(m.Source); err != nil {
				return err
			}
			rootpg := mountPropagationMap[s.Linux.RootfsPropagation]
			if rootpg != mount.SHARED && rootpg != mount.RSHARED {
				s.Linux.RootfsPropagation = mountPropagationReverseMap[mount.SHARED]
			}
		} else if pFlag == mount.SLAVE || pFlag == mount.RSLAVE {
			if err := ensureSharedOrSlave(m.Source); err != nil {
				return err
			}
			rootpg := mountPropagationMap[s.Linux.RootfsPropagation]
			if rootpg != mount.SHARED && rootpg != mount.RSHARED && rootpg != mount.SLAVE && rootpg != mount.RSLAVE {
				s.Linux.RootfsPropagation = mountPropagationReverseMap[mount.RSLAVE]
			}
		}

		opts := []string{"rbind"}
		if !m.Writable {
			opts = append(opts, "ro")
		}
		if pFlag != 0 {
			opts = append(opts, mountPropagationReverseMap[pFlag])
		}

		mt.Options = opts
		s.Mounts = append(s.Mounts, mt)
	}

	if s.Root.Readonly {
		for i, m := range s.Mounts {
			switch m.Destination {
			case "/proc", "/dev/pts", "/dev/mqueue": // /dev is remounted by runc
				continue
			}
			if _, ok := userMounts[m.Destination]; !ok {
				if !stringutils.InSlice(m.Options, "ro") {
					s.Mounts[i].Options = append(s.Mounts[i].Options, "ro")
				}
			}
		}
	}

	if c.HostConfig.Privileged {
		if !s.Root.Readonly {
			// clear readonly for /sys
			for i := range s.Mounts {
//.........这里部分代码省略.........

func setupSeccomp(config *types.Seccomp, rs *specs.Spec) (*specs.Seccomp, error) {
	if config == nil {
		return nil, nil
	}

	// No default action specified, no syscalls listed, assume seccomp disabled
	if config.DefaultAction == "" && len(config.Syscalls) == 0 {
		return nil, nil
	}

	newConfig := &specs.Seccomp{}

	var arch string
	var native, err = libseccomp.GetNativeArch()
	if err == nil {
		arch = native.String()
	}

	if len(config.Architectures) != 0 && len(config.ArchMap) != 0 {
		return nil, errors.New("'architectures' and 'archMap' were specified in the seccomp profile, use either 'architectures' or 'archMap'")
	}

	// if config.Architectures == 0 then libseccomp will figure out the architecture to use
	if len(config.Architectures) != 0 {
		for _, a := range config.Architectures {
			newConfig.Architectures = append(newConfig.Architectures, specs.Arch(a))
		}
	}

	if len(config.ArchMap) != 0 {
		for _, a := range config.ArchMap {
			seccompArch, ok := nativeToSeccomp[arch]
			if ok {
				if a.Arch == seccompArch {
					newConfig.Architectures = append(newConfig.Architectures, specs.Arch(a.Arch))
					for _, sa := range a.SubArches {
						newConfig.Architectures = append(newConfig.Architectures, specs.Arch(sa))
					}
					break
				}
			}
		}
	}

	newConfig.DefaultAction = specs.Action(config.DefaultAction)

Loop:
	// Loop through all syscall blocks and convert them to libcontainer format after filtering them
	for _, call := range config.Syscalls {
		if len(call.Excludes.Arches) > 0 {
			if stringutils.InSlice(call.Excludes.Arches, arch) {
				continue Loop
			}
		}
		if len(call.Excludes.Caps) > 0 {
			for _, c := range call.Excludes.Caps {
				if stringutils.InSlice(rs.Process.Capabilities, c) {
					continue Loop
				}
			}
		}
		if len(call.Includes.Arches) > 0 {
			if !stringutils.InSlice(call.Includes.Arches, arch) {
				continue Loop
			}
		}
		if len(call.Includes.Caps) > 0 {
			for _, c := range call.Includes.Caps {
				if !stringutils.InSlice(rs.Process.Capabilities, c) {
					continue Loop
				}
			}
		}

		if call.Name != "" && len(call.Names) != 0 {
			return nil, errors.New("'name' and 'names' were specified in the seccomp profile, use either 'name' or 'names'")
		}

		if call.Name != "" {
			newConfig.Syscalls = append(newConfig.Syscalls, createSpecsSyscall(call.Name, call.Action, call.Args))
		}

		for _, n := range call.Names {
			newConfig.Syscalls = append(newConfig.Syscalls, createSpecsSyscall(n, call.Action, call.Args))
		}
	}

	return newConfig, nil
}