本文整理汇总了Golang中github.com/docker/docker/pkg/mount.ParseTmpfsOptions函数的典型用法代码示例。如果您正苦于以下问题:Golang ParseTmpfsOptions函数的具体用法?Golang ParseTmpfsOptions怎么用?Golang ParseTmpfsOptions使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了ParseTmpfsOptions函数的4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: Parse
//.........这里部分代码省略.........
if err != nil {
return nil, nil, nil, cmd, err
}
}
swappiness := *flSwappiness
if swappiness != -1 && (swappiness < 0 || swappiness > 100) {
return nil, nil, nil, cmd, fmt.Errorf("invalid value: %d. Valid memory swappiness range is 0-100", swappiness)
}
var shmSize int64
if *flShmSize != "" {
shmSize, err = units.RAMInBytes(*flShmSize)
if err != nil {
return nil, nil, nil, cmd, err
}
}
var binds []string
// add any bind targets to the list of container volumes
for bind := range flVolumes.GetMap() {
if arr := volumeSplitN(bind, 2); len(arr) > 1 {
// after creating the bind mount we want to delete it from the flVolumes values because
// we do not want bind mounts being committed to image configs
binds = append(binds, bind)
flVolumes.Delete(bind)
}
}
// Can't evaluate options passed into --tmpfs until we actually mount
tmpfs := make(map[string]string)
for _, t := range flTmpfs.GetAll() {
if arr := strings.SplitN(t, ":", 2); len(arr) > 1 {
if _, _, err := mount.ParseTmpfsOptions(arr[1]); err != nil {
return nil, nil, nil, cmd, err
}
tmpfs[arr[0]] = arr[1]
} else {
tmpfs[arr[0]] = ""
}
}
var (
parsedArgs = cmd.Args()
runCmd strslice.StrSlice
entrypoint strslice.StrSlice
image = cmd.Arg(0)
)
if len(parsedArgs) > 1 {
runCmd = strslice.StrSlice(parsedArgs[1:])
}
if *flEntrypoint != "" {
entrypoint = strslice.StrSlice{*flEntrypoint}
}
// Validate if the given hostname is RFC 1123 (https://tools.ietf.org/html/rfc1123) compliant.
hostname := *flHostname
if hostname != "" {
matched, _ := regexp.MatchString("^(([[:alnum:]]|[[:alnum:]][[:alnum:]\\-]*[[:alnum:]])\\.)*([[:alnum:]]|[[:alnum:]][[:alnum:]\\-]*[[:alnum:]])$", hostname)
if !matched {
return nil, nil, nil, cmd, fmt.Errorf("invalid hostname format for --hostname: %s", hostname)
}
}
ports, portBindings, err := nat.ParsePortSpecs(flPublish.GetAll())
if err != nil {
return nil, nil, nil, cmd, err
示例2: setupMounts
func (d *Driver) setupMounts(container *configs.Config, c *execdriver.Command) error {
userMounts := make(map[string]struct{})
for _, m := range c.Mounts {
userMounts[m.Destination] = struct{}{}
}
// Filter out mounts that are overridden by user supplied mounts
var defaultMounts []*configs.Mount
_, mountDev := userMounts["/dev"]
for _, m := range container.Mounts {
if _, ok := userMounts[m.Destination]; !ok {
if mountDev && strings.HasPrefix(m.Destination, "/dev/") {
container.Devices = nil
continue
}
defaultMounts = append(defaultMounts, m)
}
}
container.Mounts = defaultMounts
mountPropagationMap := map[string]int{
"private": mount.PRIVATE,
"rprivate": mount.RPRIVATE,
"shared": mount.SHARED,
"rshared": mount.RSHARED,
"slave": mount.SLAVE,
"rslave": mount.RSLAVE,
}
for _, m := range c.Mounts {
for _, cm := range container.Mounts {
if cm.Destination == m.Destination {
return derr.ErrorCodeMountDup.WithArgs(m.Destination)
}
}
if m.Source == "tmpfs" {
var (
data = "size=65536k"
flags = syscall.MS_NOEXEC | syscall.MS_NOSUID | syscall.MS_NODEV
err error
)
if m.Data != "" {
flags, data, err = mount.ParseTmpfsOptions(m.Data)
if err != nil {
return err
}
}
container.Mounts = append(container.Mounts, &configs.Mount{
Source: m.Source,
Destination: m.Destination,
Data: data,
Device: "tmpfs",
Flags: flags,
PropagationFlags: []int{mountPropagationMap[volume.DefaultPropagationMode]},
})
continue
}
flags := syscall.MS_BIND | syscall.MS_REC
var pFlag int
if !m.Writable {
flags |= syscall.MS_RDONLY
}
// Determine property of RootPropagation based on volume
// properties. If a volume is shared, then keep root propagtion
// 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 := container.RootPropagation
if rootpg != mount.SHARED && rootpg != mount.RSHARED {
execdriver.SetRootPropagation(container, mount.SHARED)
}
} else if pFlag == mount.SLAVE || pFlag == mount.RSLAVE {
if err := ensureSharedOrSlave(m.Source); err != nil {
return err
}
rootpg := container.RootPropagation
if rootpg != mount.SHARED && rootpg != mount.RSHARED && rootpg != mount.SLAVE && rootpg != mount.RSLAVE {
execdriver.SetRootPropagation(container, mount.RSLAVE)
}
}
mount := &configs.Mount{
Source: m.Source,
Destination: m.Destination,
Device: "bind",
Flags: flags,
}
if pFlag != 0 {
mount.PropagationFlags = []int{pFlag}
//.........这里部分代码省略.........
示例3: Parse
//.........这里部分代码省略.........
shmSize, err = units.RAMInBytes(copts.shmSize)
if err != nil {
return nil, nil, nil, err
}
}
// TODO FIXME units.RAMInBytes should have a uint64 version
var maxIOBandwidth int64
if copts.ioMaxBandwidth != "" {
maxIOBandwidth, err = units.RAMInBytes(copts.ioMaxBandwidth)
if err != nil {
return nil, nil, nil, err
}
if maxIOBandwidth < 0 {
return nil, nil, nil, fmt.Errorf("invalid value: %s. Maximum IO Bandwidth must be positive", copts.ioMaxBandwidth)
}
}
var binds []string
// add any bind targets to the list of container volumes
for bind := range copts.volumes.GetMap() {
if arr := volumeSplitN(bind, 2); len(arr) > 1 {
// after creating the bind mount we want to delete it from the copts.volumes values because
// we do not want bind mounts being committed to image configs
binds = append(binds, bind)
copts.volumes.Delete(bind)
}
}
// Can't evaluate options passed into --tmpfs until we actually mount
tmpfs := make(map[string]string)
for _, t := range copts.tmpfs.GetAll() {
if arr := strings.SplitN(t, ":", 2); len(arr) > 1 {
if _, _, err := mount.ParseTmpfsOptions(arr[1]); err != nil {
return nil, nil, nil, err
}
tmpfs[arr[0]] = arr[1]
} else {
tmpfs[arr[0]] = ""
}
}
var (
runCmd strslice.StrSlice
entrypoint strslice.StrSlice
)
if len(copts.Args) > 0 {
runCmd = strslice.StrSlice(copts.Args)
}
if copts.entrypoint != "" {
entrypoint = strslice.StrSlice{copts.entrypoint}
} else if flags.Changed("entrypoint") {
// if `--entrypoint=` is parsed then Entrypoint is reset
entrypoint = []string{""}
}
ports, portBindings, err := nat.ParsePortSpecs(copts.publish.GetAll())
if err != nil {
return nil, nil, nil, err
}
// Merge in exposed ports to the map of published ports
for _, e := range copts.expose.GetAll() {
if strings.Contains(e, ":") {
示例4: setupMounts
func (d *Driver) setupMounts(container *configs.Config, c *execdriver.Command) error {
userMounts := make(map[string]struct{})
for _, m := range c.Mounts {
userMounts[m.Destination] = struct{}{}
}
// Filter out mounts that are overriden by user supplied mounts
var defaultMounts []*configs.Mount
_, mountDev := userMounts["/dev"]
for _, m := range container.Mounts {
if _, ok := userMounts[m.Destination]; !ok {
if mountDev && strings.HasPrefix(m.Destination, "/dev/") {
container.Devices = nil
continue
}
defaultMounts = append(defaultMounts, m)
}
}
container.Mounts = defaultMounts
for _, m := range c.Mounts {
for _, cm := range container.Mounts {
if cm.Destination == m.Destination {
return derr.ErrorCodeMountDup.WithArgs(m.Destination)
}
}
if m.Source == "tmpfs" {
var (
data = "size=65536k"
flags = syscall.MS_NOEXEC | syscall.MS_NOSUID | syscall.MS_NODEV
err error
)
fulldest := filepath.Join(c.Rootfs, m.Destination)
if m.Data != "" {
flags, data, err = mount.ParseTmpfsOptions(m.Data)
if err != nil {
return err
}
}
container.Mounts = append(container.Mounts, &configs.Mount{
Source: m.Source,
Destination: m.Destination,
Data: data,
Device: "tmpfs",
Flags: flags,
PremountCmds: genTmpfsPremountCmd(c.TmpDir, fulldest, m.Destination),
PostmountCmds: genTmpfsPostmountCmd(c.TmpDir, fulldest, m.Destination),
})
continue
}
flags := syscall.MS_BIND | syscall.MS_REC
if !m.Writable {
flags |= syscall.MS_RDONLY
}
if m.Slave {
flags |= syscall.MS_SLAVE
}
container.Mounts = append(container.Mounts, &configs.Mount{
Source: m.Source,
Destination: m.Destination,
Device: "bind",
Flags: flags,
})
}
return nil
}