本文整理汇总了Golang中github.com/coreos/rkt/stage0.Run函数的典型用法代码示例。如果您正苦于以下问题：Golang Run函数的具体用法？Golang Run怎么用？Golang Run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Run函数的8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: runRun
func runRun(cmd *cobra.Command, args []string) (exit int) {
err := parseApps(&rktApps, args, cmd.Flags(), true)
if err != nil {
stderr("run: error parsing app image arguments: %v", err)
return 1
}
if len(flagPorts) > 0 && !flagPrivateNet.Any() {
stderr("--port flag requires --private-net")
return 1
}
if len(flagPodManifest) > 0 && (len(flagVolumes) > 0 || len(flagPorts) > 0 || flagInheritEnv || !flagExplicitEnv.IsEmpty() || rktApps.Count() > 0 || flagLocal) {
stderr("conflicting flags set with --pod-manifest (see --help)")
return 1
}
if globalFlags.Dir == "" {
log.Printf("dir unset - using temporary directory")
var err error
globalFlags.Dir, err = ioutil.TempDir("", "rkt")
if err != nil {
stderr("error creating temporary directory: %v", err)
return 1
}
}
if flagInteractive && rktApps.Count() > 1 {
stderr("run: interactive option only supports one image")
return 1
}
if rktApps.Count() < 1 && len(flagPodManifest) == 0 {
stderr("run: must provide at least one image or specify the pod manifest")
return 1
}
s, err := store.NewStore(globalFlags.Dir)
if err != nil {
stderr("run: cannot open store: %v", err)
return 1
}
config, err := getConfig()
if err != nil {
stderr("run: cannot get configuration: %v", err)
return 1
}
fn := &finder{
imageActionData: imageActionData{
s: s,
headers: config.AuthPerHost,
dockerAuth: config.DockerCredentialsPerRegistry,
insecureSkipVerify: globalFlags.InsecureSkipVerify,
debug: globalFlags.Debug,
},
local: flagLocal,
withDeps: false,
}
s1img, err := fn.findImage(flagStage1Image, "", false)
if err != nil {
stderr("Error finding stage1 image %q: %v", flagStage1Image, err)
return 1
}
fn.ks = getKeystore()
fn.withDeps = true
if err := fn.findImages(&rktApps); err != nil {
stderr("%v", err)
return 1
}
p, err := newPod()
if err != nil {
stderr("Error creating new pod: %v", err)
return 1
}
processLabel, mountLabel, err := label.InitLabels(nil)
if err != nil {
stderr("Error initialising SELinux: %v", err)
return 1
}
cfg := stage0.CommonConfig{
MountLabel: mountLabel,
ProcessLabel: processLabel,
Store: s,
Stage1Image: *s1img,
UUID: p.uuid,
Debug: globalFlags.Debug,
}
pcfg := stage0.PrepareConfig{
CommonConfig: cfg,
UseOverlay: !flagNoOverlay && common.SupportsOverlay(),
}
if len(flagPodManifest) > 0 {
pcfg.PodManifest = flagPodManifest
//.........这里部分代码省略.........
示例2: runRun
func runRun(cmd *cobra.Command, args []string) (exit int) {
privateUsers := user.NewBlankUidRange()
err := parseApps(&rktApps, args, cmd.Flags(), true)
if err != nil {
stderr.PrintE("error parsing app image arguments", err)
return 1
}
if flagStoreOnly && flagNoStore {
stderr.Print("both --store-only and --no-store specified")
return 1
}
if flagPrivateUsers {
if !common.SupportsUserNS() {
stderr.Print("--private-users is not supported, kernel compiled without user namespace support")
return 1
}
privateUsers.SetRandomUidRange(user.DefaultRangeCount)
}
if len(flagPorts) > 0 && flagNet.None() {
stderr.Print("--port flag does not work with 'none' networking")
return 1
}
if len(flagPorts) > 0 && flagNet.Host() {
stderr.Print("--port flag does not work with 'host' networking")
return 1
}
if flagMDSRegister && flagNet.None() {
stderr.Print("--mds-register flag does not work with --net=none. Please use 'host', 'default' or an equivalent network")
return 1
}
if len(flagPodManifest) > 0 && (len(flagPorts) > 0 || rktApps.Count() > 0 || flagStoreOnly || flagNoStore ||
flagInheritEnv || !flagExplicitEnv.IsEmpty() || !flagEnvFromFile.IsEmpty() ||
(*appsVolume)(&rktApps).String() != "" || (*appMount)(&rktApps).String() != "" || (*appExec)(&rktApps).String() != "" ||
(*appUser)(&rktApps).String() != "" || (*appGroup)(&rktApps).String() != "" ||
(*appCapsRetain)(&rktApps).String() != "" || (*appCapsRemove)(&rktApps).String() != "") {
stderr.Print("conflicting flags set with --pod-manifest (see --help)")
return 1
}
if flagInteractive && rktApps.Count() > 1 {
stderr.Print("interactive option only supports one image")
return 1
}
if rktApps.Count() < 1 && len(flagPodManifest) == 0 {
stderr.Print("must provide at least one image or specify the pod manifest")
return 1
}
s, err := imagestore.NewStore(storeDir())
if err != nil {
stderr.PrintE("cannot open store", err)
return 1
}
ts, err := treestore.NewStore(treeStoreDir(), s)
if err != nil {
stderr.PrintE("cannot open treestore", err)
return 1
}
config, err := getConfig()
if err != nil {
stderr.PrintE("cannot get configuration", err)
return 1
}
s1img, err := getStage1Hash(s, ts, config)
if err != nil {
stderr.Error(err)
return 1
}
fn := &image.Finder{
S: s,
Ts: ts,
Ks: getKeystore(),
Headers: config.AuthPerHost,
DockerAuth: config.DockerCredentialsPerRegistry,
InsecureFlags: globalFlags.InsecureFlags,
Debug: globalFlags.Debug,
TrustKeysFromHTTPS: globalFlags.TrustKeysFromHTTPS,
StoreOnly: flagStoreOnly,
NoStore: flagNoStore,
WithDeps: true,
}
if err := fn.FindImages(&rktApps); err != nil {
stderr.Error(err)
return 1
}
p, err := newPod()
if err != nil {
stderr.PrintE("error creating new pod", err)
//.........这里部分代码省略.........
示例3: runRunPrepared
func runRunPrepared(args []string) (exit int) {
if len(args) != 1 {
printCommandUsageByName(cmdRunPreparedName)
return 1
}
podUUID, err := resolveUUID(args[0])
if err != nil {
stderr("Unable to resolve UUID: %v", err)
return 1
}
if globalFlags.Dir == "" {
log.Printf("dir unset - using temporary directory")
var err error
globalFlags.Dir, err = ioutil.TempDir("", "rkt")
if err != nil {
stderr("error creating temporary directory: %v", err)
return 1
}
}
s, err := store.NewStore(globalFlags.Dir)
if err != nil {
stderr("prepared-run: cannot open store: %v", err)
return 1
}
p, err := getPod(podUUID.String())
if err != nil {
stderr("prepared-run: cannot get pod: %v", err)
return 1
}
if !p.isPrepared {
stderr("prepared-run: pod %q is not prepared", podUUID.String())
return 1
}
if flagInteractive {
ac, err := p.getAppCount()
if err != nil {
stderr("prepared-run: cannot get pod's app count: %v", err)
return 1
}
if ac > 1 {
stderr("prepared-run: interactive option only supports pods with one app")
return 1
}
}
if err := p.xToRun(); err != nil {
stderr("prepared-run: cannot transition to run: %v", err)
return 1
}
lfd, err := p.Fd()
if err != nil {
stderr("prepared-run: unable to get lock fd: %v", err)
return 1
}
s1img, err := p.getStage1Hash()
if err != nil {
stderr("prepared-run: unable to get stage1 Hash: %v", err)
return 1
}
imgs, err := p.getAppsHashes()
if err != nil {
stderr("prepared-run: unable to get apps hashes: %v", err)
return 1
}
rcfg := stage0.RunConfig{
CommonConfig: stage0.CommonConfig{
Store: s,
Stage1Image: *s1img,
UUID: p.uuid,
Debug: globalFlags.Debug,
},
PrivateNet: flagPrivateNet,
LockFd: lfd,
Interactive: flagInteractive,
Images: imgs,
}
stage0.Run(rcfg, p.path()) // execs, never returns
return 1
}示例4: runRun
func runRun(cmd *cobra.Command, args []string) (exit int) {
privateUsers := uid.NewBlankUidRange()
err := parseApps(&rktApps, args, cmd.Flags(), true)
if err != nil {
stderr("run: error parsing app image arguments: %v", err)
return 1
}
if flagStoreOnly && flagNoStore {
stderr("both --store-only and --no-store specified")
return 1
}
if flagPrivateUsers {
if !common.SupportsUserNS() {
stderr("run: --private-users is not supported, kernel compiled without user namespace support")
return 1
}
privateUsers.SetRandomUidRange(uid.DefaultRangeCount)
}
if len(flagPorts) > 0 && flagNet.None() {
stderr("--port flag does not work with 'none' networking")
return 1
}
if len(flagPorts) > 0 && flagNet.Host() {
stderr("--port flag does not work with 'host' networking")
return 1
}
if flagMDSRegister && flagNet.None() {
stderr("--mds-register flag does not work with --net=none. Please use 'host', 'default' or an equivalent network")
return 1
}
if len(flagPodManifest) > 0 && (len(flagPorts) > 0 || flagInheritEnv || !flagExplicitEnv.IsEmpty() || rktApps.Count() > 0 || flagStoreOnly || flagNoStore) {
stderr("conflicting flags set with --pod-manifest (see --help)")
return 1
}
if flagInteractive && rktApps.Count() > 1 {
stderr("run: interactive option only supports one image")
return 1
}
if rktApps.Count() < 1 && len(flagPodManifest) == 0 {
stderr("run: must provide at least one image or specify the pod manifest")
return 1
}
s, err := store.NewStore(globalFlags.Dir)
if err != nil {
stderr("run: cannot open store: %v", err)
return 1
}
config, err := getConfig()
if err != nil {
stderr("run: cannot get configuration: %v", err)
return 1
}
fn := &finder{
imageActionData: imageActionData{
s: s,
headers: config.AuthPerHost,
dockerAuth: config.DockerCredentialsPerRegistry,
insecureSkipVerify: globalFlags.InsecureSkipVerify,
debug: globalFlags.Debug,
},
storeOnly: flagStoreOnly,
noStore: flagNoStore,
withDeps: false,
}
s1img, err := getStage1Hash(s, cmd)
if err != nil {
stderr("%v", err)
return 1
}
fn.ks = getKeystore()
fn.withDeps = true
if err := fn.findImages(&rktApps); err != nil {
stderr("%v", err)
return 1
}
p, err := newPod()
if err != nil {
stderr("Error creating new pod: %v", err)
return 1
}
// if requested, write out pod UUID early so "rkt rm" can
// clean it up even if something goes wrong
if flagUUIDFileSave != "" {
if err := writeUUIDToFile(p.uuid, flagUUIDFileSave); err != nil {
stderr("Error saving pod UUID to file: %v", err)
return 1
}
//.........这里部分代码省略.........
示例5: runRunPrepared
func runRunPrepared(cmd *cobra.Command, args []string) (exit int) {
if len(args) != 1 {
cmd.Usage()
return 1
}
p, err := getPodFromUUIDString(args[0])
if err != nil {
stderr("prepared-run: problem retrieving pod: %v", err)
return 1
}
defer p.Close()
s, err := store.NewStore(globalFlags.Dir)
if err != nil {
stderr("prepared-run: cannot open store: %v", err)
return 1
}
if !p.isPrepared {
stderr("prepared-run: pod %q is not prepared", p.uuid)
return 1
}
if flagInteractive {
ac, err := p.getAppCount()
if err != nil {
stderr("prepared-run: cannot get pod's app count: %v", err)
return 1
}
if ac > 1 {
stderr("prepared-run: interactive option only supports pods with one app")
return 1
}
}
// Make sure we have a metadata service available before we move to
// run state so that the user can rerun the command without needing
// to prepare the image again.
if flagMDSRegister {
if err := stage0.CheckMdsAvailability(); err != nil {
stderr("prepare-run: %v", err)
return 1
}
}
if err := p.xToRun(); err != nil {
stderr("prepared-run: cannot transition to run: %v", err)
return 1
}
lfd, err := p.Fd()
if err != nil {
stderr("prepared-run: unable to get lock fd: %v", err)
return 1
}
apps, err := p.getApps()
if err != nil {
stderr("prepared-run: unable to get app list: %v", err)
return 1
}
rktgid, err := common.LookupGid(common.RktGroup)
if err != nil {
stderr("prepared-run: group %q not found, will use default gid when rendering images", common.RktGroup)
rktgid = -1
}
rcfg := stage0.RunConfig{
CommonConfig: stage0.CommonConfig{
Store: s,
UUID: p.uuid,
Debug: globalFlags.Debug,
},
Net: flagNet,
LockFd: lfd,
Interactive: flagInteractive,
MDSRegister: flagMDSRegister,
Apps: apps,
RktGid: rktgid,
}
if globalFlags.Debug {
stage0.InitDebug()
}
stage0.Run(rcfg, p.path(), globalFlags.Dir) // execs, never returns
return 1
}示例6: runRunPrepared
func runRunPrepared(cmd *cobra.Command, args []string) (exit int) {
if len(args) != 1 {
cmd.Usage()
return 254
}
p, err := pkgPod.PodFromUUIDString(getDataDir(), args[0])
if err != nil {
stderr.PrintE("problem retrieving pod", err)
return 254
}
defer p.Close()
s, err := imagestore.NewStore(storeDir())
if err != nil {
stderr.PrintE("cannot open store", err)
return 254
}
ts, err := treestore.NewStore(treeStoreDir(), s)
if err != nil {
stderr.PrintE("cannot open treestore", err)
return 254
}
if p.State() != pkgPod.Prepared {
stderr.Printf("pod %q is not prepared", p.UUID)
return 254
}
_, manifest, err := p.PodManifest()
if err != nil {
stderr.PrintE("cannot read pod manifest", err)
return 254
}
if flagInteractive {
if len(manifest.Apps) > 1 {
stderr.Print("interactive option only supports pods with one app")
return 254
}
}
// Make sure we have a metadata service available before we move to
// run state so that the user can rerun the command without needing
// to prepare the image again.
if flagMDSRegister {
if err := stage0.CheckMdsAvailability(); err != nil {
stderr.Error(err)
return 254
}
}
if err := p.ToRun(); err != nil {
stderr.PrintE("cannot transition to run", err)
return 254
}
lfd, err := p.Fd()
if err != nil {
stderr.PrintE("unable to get lock fd", err)
return 254
}
rktgid, err := common.LookupGid(common.RktGroup)
if err != nil {
stderr.Printf("group %q not found, will use default gid when rendering images", common.RktGroup)
rktgid = -1
}
ovlOk := true
if err := common.PathSupportsOverlay(getDataDir()); err != nil {
if oerr, ok := err.(common.ErrOverlayUnsupported); ok {
stderr.Printf("disabling overlay support: %q", oerr.Error())
ovlOk = false
} else {
stderr.PrintE("error determining overlay support", err)
return 254
}
}
ovlPrep := p.UsesOverlay()
// should not happen, maybe the data directory moved from an overlay-enabled fs to another location
// between prepare and run-prepared
if ovlPrep && !ovlOk {
stderr.Print("unable to run prepared overlay-enabled pod: overlay not supported")
return 254
}
DNSConfMode, DNSConfig, HostsEntries, err := parseDNSFlags(flagHostsEntries, flagDNS, flagDNSSearch, flagDNSOpt, flagDNSDomain)
if err != nil {
stderr.PrintE("error with dns flags", err)
return 254
}
rcfg := stage0.RunConfig{
CommonConfig: &stage0.CommonConfig{
DataDir: getDataDir(),
Store: s,
//.........这里部分代码省略.........
示例7: runAppSandbox
//.........这里部分代码省略.........
UUID: p.UUID,
Debug: globalFlags.Debug,
Mutable: true,
}
ovlOk := true
if err := common.PathSupportsOverlay(getDataDir()); err != nil {
if oerr, ok := err.(common.ErrOverlayUnsupported); ok {
stderr.Printf("disabling overlay support: %q", oerr.Error())
ovlOk = false
} else {
stderr.PrintE("error determining overlay support", err)
return 1
}
}
useOverlay := !flagNoOverlay && ovlOk
pcfg := stage0.PrepareConfig{
CommonConfig: &cfg,
UseOverlay: useOverlay,
PrivateUsers: user.NewBlankUidRange(),
SkipTreeStoreCheck: globalFlags.InsecureFlags.SkipOnDiskCheck(),
Apps: &rktApps,
Ports: []types.ExposedPort(flagAppPorts),
UserAnnotations: parseAnnotations(&flagAnnotations),
UserLabels: parseLabels(&flagLabels),
}
if globalFlags.Debug {
stage0.InitDebug()
}
keyLock, err := lock.SharedKeyLock(lockDir(), common.PrepareLock)
if err != nil {
stderr.PrintE("cannot get shared prepare lock", err)
return 1
}
err = stage0.Prepare(pcfg, p.Path(), p.UUID)
if err != nil {
stderr.PrintE("error setting up stage0", err)
keyLock.Close()
return 1
}
keyLock.Close()
// get the lock fd for run
lfd, err := p.Fd()
if err != nil {
stderr.PrintE("error getting pod lock fd", err)
return 1
}
// skip prepared by jumping directly to run, we own this pod
if err := p.ToRun(); err != nil {
stderr.PrintE("unable to transition to run", err)
return 1
}
rktgid, err := common.LookupGid(common.RktGroup)
if err != nil {
stderr.Printf("group %q not found, will use default gid when rendering images", common.RktGroup)
rktgid = -1
}
DNSConfMode, DNSConfig, HostsEntries, err := parseDNSFlags(flagHostsEntries, flagDNS, flagDNSSearch, flagDNSOpt, flagDNSDomain)
if err != nil {
stderr.PrintE("error with dns flags", err)
return 1
}
rcfg := stage0.RunConfig{
CommonConfig: &cfg,
Net: flagNet,
LockFd: lfd,
Interactive: true,
DNSConfMode: DNSConfMode,
DNSConfig: DNSConfig,
MDSRegister: false,
LocalConfig: globalFlags.LocalConfigDir,
RktGid: rktgid,
Hostname: flagHostname,
InsecureCapabilities: globalFlags.InsecureFlags.SkipCapabilities(),
InsecurePaths: globalFlags.InsecureFlags.SkipPaths(),
InsecureSeccomp: globalFlags.InsecureFlags.SkipSeccomp(),
UseOverlay: useOverlay,
HostsEntries: *HostsEntries,
}
_, manifest, err := p.PodManifest()
if err != nil {
stderr.PrintE("cannot get the pod manifest", err)
return 1
}
rcfg.Apps = manifest.Apps
stage0.Run(rcfg, p.Path(), getDataDir()) // execs, never returns
return 1
}示例8: runRunPrepared
func runRunPrepared(cmd *cobra.Command, args []string) (exit int) {
if len(args) != 1 {
cmd.Usage()
return 1
}
podUUID, err := resolveUUID(args[0])
if err != nil {
stderr("Unable to resolve UUID: %v", err)
return 1
}
if globalFlags.Dir == "" {
log.Printf("dir unset - using temporary directory")
var err error
globalFlags.Dir, err = ioutil.TempDir("", "rkt")
if err != nil {
stderr("error creating temporary directory: %v", err)
return 1
}
}
s, err := store.NewStore(globalFlags.Dir)
if err != nil {
stderr("prepared-run: cannot open store: %v", err)
return 1
}
p, err := getPod(podUUID)
if err != nil {
stderr("prepared-run: cannot get pod: %v", err)
return 1
}
if !p.isPrepared {
stderr("prepared-run: pod %q is not prepared", podUUID.String())
return 1
}
if flagInteractive {
ac, err := p.getAppCount()
if err != nil {
stderr("prepared-run: cannot get pod's app count: %v", err)
return 1
}
if ac > 1 {
stderr("prepared-run: interactive option only supports pods with one app")
return 1
}
}
// Make sure we have a metadata service available before we move to
// run state so that the user can rerun the command without needing
// to prepare the image again.
if flagMDSRegister {
if err := stage0.CheckMdsAvailability(); err != nil {
stderr("prepare-run: %v", err)
return 1
}
}
if err := p.xToRun(); err != nil {
stderr("prepared-run: cannot transition to run: %v", err)
return 1
}
lfd, err := p.Fd()
if err != nil {
stderr("prepared-run: unable to get lock fd: %v", err)
return 1
}
apps, err := p.getApps()
if err != nil {
stderr("prepared-run: unable to get app list: %v", err)
return 1
}
rcfg := stage0.RunConfig{
CommonConfig: stage0.CommonConfig{
Store: s,
UUID: p.uuid,
Debug: globalFlags.Debug,
},
PrivateNet: flagPrivateNet,
LockFd: lfd,
Interactive: flagInteractive,
MDSRegister: flagMDSRegister,
Apps: apps,
}
stage0.Run(rcfg, p.path(), globalFlags.Dir) // execs, never returns
return 1
}