本文整理汇总了Golang中github.com/flynn/flynn/pkg/version.String函数的典型用法代码示例。如果您正苦于以下问题:Golang String函数的具体用法?Golang String怎么用?Golang String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String函数的20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,您的评价将有助于我们的系统推荐出更棒的Golang代码示例。
示例1: update
func (u *Updater) update() error {
up := update.New()
if err := up.CanUpdate(); err != nil {
return err
}
if err := os.MkdirAll(updateDir, 0755); err != nil {
return err
}
local, err := tuf.FileLocalStore(filepath.Join(updateDir, "tuf.db"))
if err != nil {
return err
}
plat := fmt.Sprintf("%s-%s", runtime.GOOS, runtime.GOARCH)
opts := &tuf.HTTPRemoteOptions{
UserAgent: fmt.Sprintf("flynn-cli/%s %s", version.String(), plat),
Retries: tuf.DefaultHTTPRetries,
}
remote, err := tuf.HTTPRemoteStore(u.repo, opts)
if err != nil {
return err
}
client := tuf.NewClient(local, remote)
if err := u.updateTUFClient(client); err != nil {
return err
}
name := fmt.Sprintf("/flynn-%s.gz", plat)
latestVersion, err := tufutil.GetVersion(client, name)
if err != nil {
return err
}
if latestVersion == version.String() {
return nil
}
bin := &tufBuffer{}
if err := client.Download(name, bin); err != nil {
return err
}
gr, err := gzip.NewReader(bin)
if err != nil {
return err
}
err, errRecover := up.FromStream(gr)
if errRecover != nil {
return fmt.Errorf("update and recovery errors: %q %q", err, errRecover)
}
if err != nil {
return err
}
log.Printf("Updated %s -> %s.", version.String(), latestVersion)
return nil
}
开发者ID:ably-forks,项目名称:flynn,代码行数:56,代码来源:update.go
示例2: NewToken
func NewToken() (string, error) {
uri := "https://discovery.flynn.io/clusters"
if base := os.Getenv("DISCOVERY_SERVER"); base != "" {
uri = base + "/clusters"
}
req, err := http.NewRequest("POST", uri, nil)
if err != nil {
return "", err
}
req.Header.Set("User-Agent", fmt.Sprintf("flynn-host/%s %s-%s", version.String(), runtime.GOOS, runtime.GOARCH))
res, err := http.DefaultClient.Do(req)
if err != nil {
return "", err
}
if res.StatusCode != http.StatusCreated {
return "", urlError("POST", uri, res.StatusCode)
}
base, err := url.Parse(uri)
if err != nil {
return "", err
}
cluster, err := url.Parse(res.Header.Get("Location"))
if err != nil {
return "", err
}
return base.ResolveReference(cluster).String(), nil
}
开发者ID:ably-forks,项目名称:flynn,代码行数:30,代码来源:discovery.go
示例3: main
func main() {
defer shutdown.Exit()
usage := `
usage: flynn-blobstore <command> [<args>...]
Commands:
help show usage for a specific command
cleanup delete file blobs from default backend
migrate move file blobs from default backend to a different backend
server run blobstore HTTP server
See 'flynn-blobstore help <command>' for more information on a specific command.
`[1:]
args, _ := docopt.Parse(usage, nil, true, version.String(), true)
cmd := args.String["<command>"]
cmdArgs := args.All["<args>"].([]string)
if cmd == "help" {
if len(cmdArgs) == 0 { // `flynn-blobstore help`
fmt.Println(usage)
return
} else { // `flynn-blobstore help <command>`
cmd = cmdArgs[0]
cmdArgs = []string{"--help"}
}
}
if err := runCommand(cmd, cmdArgs); err != nil {
log.Println(err)
shutdown.ExitWithCode(1)
}
}
开发者ID:imjorge,项目名称:flynn,代码行数:34,代码来源:blobstore.go
示例4: PullBinariesAndConfig
func (h *jobAPI) PullBinariesAndConfig(w http.ResponseWriter, r *http.Request, ps httprouter.Params) {
log := h.host.log.New("fn", "PullBinariesAndConfig")
log.Info("extracting TUF database")
tufDB, err := extractTufDB(r)
if err != nil {
log.Error("error extracting TUF database", "err", err)
httphelper.Error(w, err)
return
}
defer os.Remove(tufDB)
query := r.URL.Query()
log.Info("creating local TUF store")
local, err := tuf.FileLocalStore(tufDB)
if err != nil {
log.Error("error creating local TUF store", "err", err)
httphelper.Error(w, err)
return
}
opts := &tuf.HTTPRemoteOptions{
UserAgent: fmt.Sprintf("flynn-host/%s %s-%s pull", version.String(), runtime.GOOS, runtime.GOARCH),
Retries: tuf.DefaultHTTPRetries,
}
log.Info("creating remote TUF store")
remote, err := tuf.HTTPRemoteStore(query.Get("repository"), opts)
if err != nil {
log.Error("error creating remote TUF store", "err", err)
httphelper.Error(w, err)
return
}
client := tuf.NewClient(local, remote)
d := downloader.New(client, query.Get("version"))
log.Info("downloading binaries")
paths, err := d.DownloadBinaries(query.Get("bin-dir"))
if err != nil {
log.Error("error downloading binaries", "err", err)
httphelper.Error(w, err)
return
}
log.Info("downloading config")
configs, err := d.DownloadConfig(query.Get("config-dir"))
if err != nil {
log.Error("error downloading config", "err", err)
httphelper.Error(w, err)
return
}
for k, v := range configs {
paths[k] = v
}
httphelper.JSON(w, 200, paths)
}
开发者ID:ably-forks,项目名称:flynn,代码行数:56,代码来源:http.go
示例5: main
// main is a modified version of the registry main function:
// https://github.com/docker/distribution/blob/6ba799b/cmd/registry/main.go
func main() {
logrus.SetLevel(logrus.InfoLevel)
ctx := context.Background()
ctx = context.WithValue(ctx, "version", version.String())
ctx = context.WithLogger(ctx, context.GetLogger(ctx, "version"))
client, err := controller.NewClient("", os.Getenv("CONTROLLER_KEY"))
if err != nil {
context.GetLogger(ctx).Fatalln(err)
}
release, err := client.GetRelease(os.Getenv("FLYNN_RELEASE_ID"))
if err != nil {
context.GetLogger(ctx).Fatalln(err)
}
artifact, err := client.GetArtifact(release.ArtifactIDs[0])
if err != nil {
context.GetLogger(ctx).Fatalln(err)
}
authKey := os.Getenv("AUTH_KEY")
middleware.Register("flynn", repositoryMiddleware(client, artifact, authKey))
config := configuration.Configuration{
Version: configuration.CurrentVersion,
Storage: configuration.Storage{
blobstore.DriverName: configuration.Parameters{},
"delete": configuration.Parameters{"enabled": true},
},
Middleware: map[string][]configuration.Middleware{
"repository": {
{Name: "flynn"},
},
},
Auth: configuration.Auth{
"flynn": configuration.Parameters{
"auth_key": authKey,
},
},
}
config.HTTP.Secret = os.Getenv("REGISTRY_HTTP_SECRET")
status.AddHandler(status.HealthyHandler)
app := handlers.NewApp(ctx, config)
http.Handle("/", app)
addr := ":" + os.Getenv("PORT")
context.GetLogger(app).Infof("listening on %s", addr)
if err := http.ListenAndServe(addr, nil); err != nil {
context.GetLogger(app).Fatalln(err)
}
}
开发者ID:imjorge,项目名称:flynn,代码行数:57,代码来源:main.go
示例6: main
func main() {
// glog will log to tmp files by default. override so all entries
// can flow into journald (if running under systemd)
flag.Set("logtostderr", "true")
// now parse command line args
flag.Parse()
if opts.help {
fmt.Fprintf(os.Stderr, "Usage: %s [OPTION]...\n", os.Args[0])
flag.PrintDefaults()
os.Exit(0)
}
if opts.version {
fmt.Fprintln(os.Stderr, version.String())
os.Exit(0)
}
flagsFromEnv("FLANNELD", flag.CommandLine)
be, sm, err := newBackend()
if err != nil {
log.Info(err)
os.Exit(1)
}
// Register for SIGINT and SIGTERM and wait for one of them to arrive
log.Info("Installing signal handlers")
sigs := make(chan os.Signal, 1)
signal.Notify(sigs, os.Interrupt, syscall.SIGTERM)
exit := make(chan int)
go run(be, sm, exit)
for {
select {
case <-sigs:
// unregister to get default OS nuke behaviour in case we don't exit cleanly
signal.Stop(sigs)
log.Info("Exiting...")
be.Stop()
case code := <-exit:
log.Infof("%s mode exited", be.Name())
os.Exit(code)
}
}
}
开发者ID:eldarion-gondor,项目名称:cli,代码行数:50,代码来源:main.go
示例7: PullImages
func PullImages(tufDB, repository, driver, root, ver string, progress chan<- layer.PullInfo) error {
local, err := tuf.FileLocalStore(tufDB)
if err != nil {
return err
}
opts := &tuf.HTTPRemoteOptions{
UserAgent: fmt.Sprintf("pinkerton/%s %s-%s pull", version.String(), runtime.GOOS, runtime.GOARCH),
}
remote, err := tuf.HTTPRemoteStore(repository, opts)
if err != nil {
return err
}
return PullImagesWithClient(tuf.NewClient(local, remote), repository, driver, root, ver, progress)
}
开发者ID:devick,项目名称:flynn,代码行数:14,代码来源:context.go
示例8: newTufClient
func newTufClient(tufDB, repository string) (*tuf.Client, error) {
local, err := tuf.FileLocalStore(tufDB)
if err != nil {
return nil, err
}
opts := &tuf.HTTPRemoteOptions{
UserAgent: fmt.Sprintf("flynn-host/%s %s-%s pull", version.String(), runtime.GOOS, runtime.GOARCH),
Retries: tufutil.DefaultHTTPRetries,
}
remote, err := tuf.HTTPRemoteStore(repository, opts)
if err != nil {
return nil, err
}
return tuf.NewClient(local, remote), nil
}
开发者ID:imjorge,项目名称:flynn,代码行数:15,代码来源:http.go
示例9: interpolateManifest
func interpolateManifest(imageDir, imageRepository string, src io.Reader, dest io.Writer) error {
manifest, err := ioutil.ReadAll(src)
if err != nil {
return err
}
var replaceErr interface{}
func() {
defer func() {
replaceErr = recover()
}()
manifest = imageArtifactPattern.ReplaceAllFunc(manifest, func(raw []byte) []byte {
name := string(raw[16 : len(raw)-1])
manifest, err := ioutil.ReadFile(filepath.Join(imageDir, name+".json"))
if err != nil {
panic(err)
}
artifact := &ct.Artifact{
Type: ct.ArtifactTypeFlynn,
RawManifest: manifest,
Size: int64(len(manifest)),
Meta: map[string]string{
"flynn.component": name,
"flynn.system-image": "true",
},
}
artifact.URI = fmt.Sprintf("%s?target=/%s/images/%s.json", imageRepository, version.String(), artifact.Manifest().ID())
artifact.Hashes = artifact.Manifest().Hashes()
if version.Dev() {
artifact.LayerURLTemplate = "file:///var/lib/flynn/layer-cache/{id}.squashfs"
} else {
artifact.LayerURLTemplate = fmt.Sprintf("%s?target=/%s/layers/{id}.squashfs", imageRepository, version.String())
}
data, err := json.Marshal(artifact)
if err != nil {
panic(err)
}
return data
})
}()
if replaceErr != nil {
return replaceErr.(error)
}
_, err = dest.Write(manifest)
return err
}
开发者ID:imjorge,项目名称:flynn,代码行数:47,代码来源:manifest.go
示例10: RegisterInstance
func RegisterInstance(info Info) (string, error) {
data := struct {
Data Instance `json:"data"`
}{Instance{
Name: info.Name,
URL: info.InstanceURL,
SSHPublicKeys: make([]SSHPublicKey, 0, 4),
FlynnVersion: version.String(),
}}
for _, t := range []string{"dsa", "rsa", "ecdsa", "ed25519"} {
keyData, err := ioutil.ReadFile(fmt.Sprintf("/etc/ssh/ssh_host_%s_key.pub", t))
if err != nil {
// TODO(titanous): log this?
continue
}
k, _, _, _, err := ssh.ParseAuthorizedKey(keyData)
if err != nil {
// TODO(titanous): log this?
continue
}
data.Data.SSHPublicKeys = append(data.Data.SSHPublicKeys, SSHPublicKey{Type: t, Data: k.Marshal()})
}
jsonData, err := json.Marshal(&data)
if err != nil {
return "", err
}
// TODO(titanous): retry
uri := info.ClusterURL + "/instances"
res, err := http.Post(uri, "application/json", bytes.NewReader(jsonData))
if err != nil {
return "", err
}
if res.StatusCode != http.StatusCreated && res.StatusCode != http.StatusConflict {
return "", urlError("POST", uri, res.StatusCode)
}
if err := json.NewDecoder(res.Body).Decode(&data); err != nil {
return "", err
}
return data.Data.ID, nil
}
开发者ID:ably-forks,项目名称:flynn,代码行数:42,代码来源:discovery.go
示例11: main
func main() {
usage := `
Usage: taffy <app> <repo> <branch> <rev> [-e <var>=<val>]... [-m <key>=<val>]...
Options:
-e,--env <var>=<val>
-m,--meta <key>=<val>
`[1:]
args, _ := docopt.Parse(usage, nil, true, version.String(), false)
app := args.String["<app>"]
repo := args.String["<repo>"]
branch := args.String["<branch>"]
rev := args.String["<rev>"]
meta := map[string]string{
"git": "true",
"clone_url": repo,
"branch": branch,
"rev": rev,
"taffy_job": os.Getenv("FLYNN_JOB_ID"),
}
env, err := parsePairs(args, "--env")
if err != nil {
log.Fatal(err)
}
m, err := parsePairs(args, "--meta")
if err != nil {
log.Fatal(err)
}
for k, v := range m {
meta[k] = v
}
if err := cloneRepo(repo, branch); err != nil {
log.Fatal(err)
}
if err := runReceiver(app, rev, env, meta); err != nil {
log.Fatal(err)
}
}
开发者ID:devick,项目名称:flynn,代码行数:42,代码来源:main.go
示例12: ServeHTTP
func (f Handler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
w.Header().Set("Content-Type", "application/json")
s := f()
s.Version = version.String()
if s.Status == CodeHealthy {
w.WriteHeader(200)
} else {
if s.Status == "" {
s.Status = CodeUnhealthy
}
w.WriteHeader(500)
}
res, _ := json.MarshalIndent(struct {
Data Status `json:"data"`
}{s}, "", " ")
w.Write(res)
w.Write([]byte("\n"))
}
开发者ID:devick,项目名称:flynn,代码行数:20,代码来源:status.go
示例13: main
func main() {
client, err := controller.NewClient("", os.Getenv("CONTROLLER_KEY"))
if err != nil {
log.Fatalln("Unable to connect to controller:", err)
}
usage := `
Usage: flynn-receiver <app> <rev> [-e <var>=<val>]... [-m <key>=<val>]...
Options:
-e,--env <var>=<val>
-m,--meta <key>=<val>
`[1:]
args, _ := docopt.Parse(usage, nil, true, version.String(), false)
appName := args.String["<app>"]
env, err := parsePairs(args, "--env")
if err != nil {
log.Fatal(err)
}
meta, err := parsePairs(args, "--meta")
if err != nil {
log.Fatal(err)
}
app, err := client.GetApp(appName)
if err == controller.ErrNotFound {
log.Fatalf("Unknown app %q", appName)
} else if err != nil {
log.Fatalln("Error retrieving app:", err)
}
prevRelease, err := client.GetAppRelease(app.Name)
if err == controller.ErrNotFound {
prevRelease = &ct.Release{}
} else if err != nil {
log.Fatalln("Error getting current app release:", err)
}
fmt.Printf("-----> Building %s...\n", app.Name)
var output bytes.Buffer
slugURL := fmt.Sprintf("%s/%s.tgz", blobstoreURL, random.UUID())
cmd := exec.Command(exec.DockerImage(os.Getenv("SLUGBUILDER_IMAGE_URI")), slugURL)
cmd.Stdout = io.MultiWriter(os.Stdout, &output)
cmd.Stderr = os.Stderr
cmd.Meta = map[string]string{
"flynn-controller.app": app.ID,
"flynn-controller.app_name": app.Name,
"flynn-controller.release": prevRelease.ID,
}
if len(prevRelease.Env) > 0 {
stdin, err := cmd.StdinPipe()
if err != nil {
log.Fatalln(err)
}
go appendEnvDir(os.Stdin, stdin, prevRelease.Env)
} else {
cmd.Stdin = os.Stdin
}
cmd.Env = make(map[string]string)
cmd.Env["BUILD_CACHE_URL"] = fmt.Sprintf("%s/%s-cache.tgz", blobstoreURL, app.ID)
if buildpackURL, ok := env["BUILDPACK_URL"]; ok {
cmd.Env["BUILDPACK_URL"] = buildpackURL
} else if buildpackURL, ok := prevRelease.Env["BUILDPACK_URL"]; ok {
cmd.Env["BUILDPACK_URL"] = buildpackURL
}
for _, k := range []string{"SSH_CLIENT_KEY", "SSH_CLIENT_HOSTS"} {
if v := os.Getenv(k); v != "" {
cmd.Env[k] = v
}
}
if err := cmd.Run(); err != nil {
log.Fatalln("Build failed:", err)
}
var types []string
if match := typesPattern.FindSubmatch(output.Bytes()); match != nil {
types = strings.Split(string(match[1]), ", ")
}
fmt.Printf("-----> Creating release...\n")
artifact := &ct.Artifact{Type: "docker", URI: os.Getenv("SLUGRUNNER_IMAGE_URI")}
if err := client.CreateArtifact(artifact); err != nil {
log.Fatalln("Error creating artifact:", err)
}
release := &ct.Release{
ArtifactID: artifact.ID,
Env: prevRelease.Env,
Meta: prevRelease.Meta,
}
if release.Meta == nil {
release.Meta = make(map[string]string, len(meta))
}
if release.Env == nil {
release.Env = make(map[string]string, len(env))
}
for k, v := range env {
//.........这里部分代码省略.........
开发者ID:journeyqiao,项目名称:flynn,代码行数:101,代码来源:flynn-receive.go
示例14: main
func main() {
defer shutdown.Exit()
usage := `usage: flynn-host [-h|--help] [--version] <command> [<args>...]
Options:
-h, --help Show this message
--version Show current version
Commands:
help Show usage for a specific command
init Create cluster configuration for daemon
daemon Start the daemon
update Update Flynn components
download Download container images
bootstrap Bootstrap layer 1
inspect Get low-level information about a job
log Get the logs of a job
ps List jobs
stop Stop running jobs
destroy-volumes Destroys the local volume database
collect-debug-info Collect debug information into an anonymous gist or tarball
version Show current version
See 'flynn-host help <command>' for more information on a specific command.
`
args, _ := docopt.Parse(usage, nil, true, version.String(), true)
cmd := args.String["<command>"]
cmdArgs := args.All["<args>"].([]string)
if cmd == "help" {
if len(cmdArgs) == 0 { // `flynn help`
fmt.Println(usage)
return
} else { // `flynn help <command>`
cmd = cmdArgs[0]
cmdArgs = []string{"--help"}
}
}
if cmd == "daemon" {
// merge in args and env from config file, if available
var c *config.Config
if n := os.Getenv("FLYNN_HOST_CONFIG"); n != "" {
var err error
c, err = config.Open(n)
if err != nil {
log.Fatalf("error opening config file %s: %s", n, err)
}
} else {
var err error
c, err = config.Open(configFile)
if err != nil && !os.IsNotExist(err) {
log.Fatalf("error opening config file %s: %s", configFile, err)
}
if c == nil {
c = &config.Config{}
}
}
cmdArgs = append(cmdArgs, c.Args...)
for k, v := range c.Env {
os.Setenv(k, v)
}
}
if err := cli.Run(cmd, cmdArgs); err != nil {
if err == cli.ErrInvalidCommand {
fmt.Printf("ERROR: %q is not a valid command\n\n", cmd)
fmt.Println(usage)
shutdown.ExitWithCode(1)
}
shutdown.Fatal(err)
}
}
开发者ID:justintung,项目名称:flynn,代码行数:75,代码来源:host.go
示例15: runDownload
func runDownload(args *docopt.Args) error {
log := log15.New()
log.Info("initializing ZFS volumes")
volPath := args.String["--volpath"]
volDB := filepath.Join(volPath, "volumes.bolt")
volMan := volumemanager.New(volDB, log, func() (volume.Provider, error) {
return zfs.NewProvider(&zfs.ProviderConfig{
DatasetName: zfs.DefaultDatasetName,
Make: zfs.DefaultMakeDev(volPath, log),
WorkingDir: filepath.Join(volPath, "zfs"),
})
})
if err := volMan.OpenDB(); err != nil {
log.Error("error opening volume database, make sure flynn-host is not running", "err", err)
return err
}
// create a TUF client and update it
log.Info("initializing TUF client")
tufDB := args.String["--tuf-db"]
local, err := tuf.FileLocalStore(tufDB)
if err != nil {
log.Error("error creating local TUF client", "err", err)
return err
}
remote, err := tuf.HTTPRemoteStore(args.String["--repository"], tufHTTPOpts("downloader"))
if err != nil {
log.Error("error creating remote TUF client", "err", err)
return err
}
client := tuf.NewClient(local, remote)
if err := updateTUFClient(client); err != nil {
log.Error("error updating TUF client", "err", err)
return err
}
configDir := args.String["--config-dir"]
requestedVersion := os.Getenv("FLYNN_VERSION")
if requestedVersion == "" {
requestedVersion, err = getChannelVersion(configDir, client, log)
if err != nil {
return err
}
}
log.Info(fmt.Sprintf("downloading components with version %s", requestedVersion))
d := downloader.New(client, volMan, requestedVersion)
binDir := args.String["--bin-dir"]
log.Info(fmt.Sprintf("downloading binaries to %s", binDir))
if _, err := d.DownloadBinaries(binDir); err != nil {
log.Error("error downloading binaries", "err", err)
return err
}
// use the requested version of flynn-host to download the images as
// the format changed in v20161106
if version.String() != requestedVersion {
log.Info(fmt.Sprintf("executing %s flynn-host binary", requestedVersion))
binPath := filepath.Join(binDir, "flynn-host")
argv := append([]string{binPath}, os.Args[1:]...)
return syscall.Exec(binPath, argv, os.Environ())
}
log.Info("downloading images")
ch := make(chan *ct.ImagePullInfo)
go func() {
for info := range ch {
switch info.Type {
case ct.ImagePullTypeImage:
log.Info(fmt.Sprintf("pulling %s image", info.Name))
case ct.ImagePullTypeLayer:
log.Info(fmt.Sprintf("pulling %s layer %s (%s)",
info.Name, info.Layer.ID, units.BytesSize(float64(info.Layer.Length))))
}
}
}()
if err := d.DownloadImages(configDir, ch); err != nil {
log.Error("error downloading images", "err", err)
return err
}
log.Info(fmt.Sprintf("downloading config to %s", configDir))
if _, err := d.DownloadConfig(configDir); err != nil {
log.Error("error downloading config", "err", err)
return err
}
log.Info("download complete")
return nil
}
开发者ID:imjorge,项目名称:flynn,代码行数:93,代码来源:download.go
示例16: update
func (u *Updater) update() error {
up := update.New()
if err := up.CanUpdate(); err != nil {
return err
}
if err := os.MkdirAll(updateDir, 0755); err != nil {
return err
}
local, err := tuf.FileLocalStore(filepath.Join(updateDir, "tuf.db"))
if err != nil {
return err
}
plat := fmt.Sprintf("%s-%s", runtime.GOOS, runtime.GOARCH)
opts := &tuf.HTTPRemoteOptions{
UserAgent: fmt.Sprintf("flynn-cli/%s %s", version.String(), plat),
}
remote, err := tuf.HTTPRemoteStore(u.repo, opts)
if err != nil {
return err
}
client := tuf.NewClient(local, remote)
if err := u.updateTUFClient(client); err != nil {
return err
}
targets, err := client.Targets()
if err != nil {
return err
}
name := fmt.Sprintf("/flynn-%s.gz", plat)
target, ok := targets[name]
if !ok {
return fmt.Errorf("missing %q in tuf targets", name)
}
if target.Custom == nil || len(*target.Custom) == 0 {
return errors.New("missing custom metadata in tuf target")
}
var data struct {
Version string
}
json.Unmarshal(*target.Custom, &data)
if data.Version == "" {
return errors.New("missing version in tuf target")
}
if data.Version == version.String() {
return nil
}
bin := &tufBuffer{}
if err := client.Download(name, bin); err != nil {
return err
}
gr, err := gzip.NewReader(bin)
if err != nil {
return err
}
err, errRecover := up.FromStream(gr)
if errRecover != nil {
return fmt.Errorf("update and recovery errors: %q %q", err, errRecover)
}
if err != nil {
return err
}
log.Printf("Updated %s -> %s.", version.String(), data.Version)
return nil
}
开发者ID:technosophos,项目名称:flynn,代码行数:68,代码来源:update.go
示例17: runUpdate
func runUpdate(args *docopt.Args) error {
log := log15.New()
// create and update a TUF client
log.Info("initializing TUF client")
local, err := tuf.FileLocalStore(args.String["--tuf-db"])
if err != nil {
log.Error("error creating local TUF client", "err", err)
return err
}
remote, err := tuf.HTTPRemoteStore(args.String["--repository"], tufHTTPOpts("updater"))
if err != nil {
log.Error("error creating remote TUF client", "err", err)
return err
}
client := tuf.NewClient(local, remote)
if !args.Bool["--is-latest"] {
return updateAndExecLatest(args.String["--config-dir"], client, log)
}
// unlink the current binary if it is a temp file
if args.Bool["--is-tempfile"] {
os.Remove(os.Args[0])
}
// read the TUF db so we can pass it to hosts
log.Info("reading TUF database")
tufDB, err := ioutil.ReadFile(args.String["--tuf-db"])
if err != nil {
log.Error("error reading the TUF database", "err", err)
return err
}
log.Info("getting host list")
clusterClient := cluster.NewClient()
hosts, err := clusterClient.Hosts()
if err != nil {
log.Error("error getting host list", "err", err)
return err
}
if len(hosts) == 0 {
return errors.New("no hosts found")
}
log.Info(fmt.Sprintf("updating %d hosts", len(hosts)))
// eachHost invokes the given function in a goroutine for each host,
// returning an error if any of the functions returns an error.
eachHost := func(f func(*cluster.Host, log15.Logger) error) (err error) {
errs := make(chan error)
for _, h := range hosts {
go func(host *cluster.Host) {
log := log.New("host", host.ID())
errs <- f(host, log)
}(h)
}
for range hosts {
if e := <-errs; e != nil {
err = e
}
}
return
}
var mtx sync.Mutex
images := make(map[string]string)
log.Info("pulling latest images on all hosts")
if err := eachHost(func(host *cluster.Host, log log15.Logger) error {
log.Info("pulling images")
ch := make(chan *layer.PullInfo)
stream, err := host.PullImages(
args.String["--repository"],
args.String["--driver"],
args.String["--root"],
version.String(),
bytes.NewReader(tufDB),
ch,
)
if err != nil {
log.Error("error pulling images", "err", err)
return err
}
defer stream.Close()
for info := range ch {
if info.Type == layer.TypeLayer {
continue
}
log.Info("pulled image", "name", info.Repo)
imageURI := fmt.Sprintf("%s?name=%s&id=%s", args.String["--repository"], info.Repo, info.ID)
mtx.Lock()
images[info.Repo] = imageURI
mtx.Unlock()
}
if err := stream.Err(); err != nil {
log.Error("error pulling images", "err", err)
return err
}
return nil
}); err != nil {
//.........这里部分代码省略.........
开发者ID:devick,项目名称:flynn,代码行数:101,代码来源:update.go
示例18: runVersion
func runVersion() {
fmt.Println(version.String())
}
开发者ID:ericcapricorn,项目名称:flynn,代码行数:3,代码来源:version.go
示例19: run
func run() error {
client, err := controller.NewClient("", os.Getenv("CONTROLLER_KEY"))
if err != nil {
return fmt.Errorf("Unable to connect to controller: %s", err)
}
usage := `
Usage: flynn-receiver <app> <rev> [-e <var>=<val>]... [-m <key>=<val>]...
Options:
-e,--env <var>=<val>
-m,--meta <key>=<val>
`[1:]
args, _ := docopt.Parse(usage, nil, true, version.String(), false)
appName := args.String["<app>"]
env, err := parsePairs(args, "--env")
if err != nil {
return err
}
meta, err := parsePairs(args, "--meta")
if err != nil {
return err
}
slugBuilder, err := client.GetArtifact(os.Getenv("SLUGBUILDER_IMAGE_ID"))
if err != nil {
return fmt.Errorf("Error getting slugbuilder image: %s", err)
}
slugRunnerID := os.Getenv("SLUGRUNNER_IMAGE_ID")
if _, err := client.GetArtifact(slugRunnerID); err != nil {
return fmt.Errorf("Error getting slugrunner image: %s", err)
}
app, err := client.GetApp(appName)
if err == controller.ErrNotFound {
return fmt.Errorf("Unknown app %q", appName)
} else if err != nil {
return fmt.Errorf("Error retrieving app: %s", err)
}
prevRelease, err := client.GetAppRelease(app.Name)
if err == controller.ErrNotFound {
prevRelease = &ct.Release{}
} else if err != nil {
return fmt.Errorf("Error getting current app release: %s", err)
}
fmt.Printf("-----> Building %s...\n", app.Name)
slugImageID := random.UUID()
jobEnv := map[string]string{
"BUILD_CACHE_URL": fmt.Sprintf("%s/%s-cache.tgz", blobstoreURL, app.ID),
"CONTROLLER_KEY": os.Getenv("CONTROLLER_KEY"),
"SLUG_IMAGE_ID": slugImageID,
}
if buildpackURL, ok := env["BUILDPACK_URL"]; ok {
jobEnv["BUILDPACK_URL"] = buildpackURL
} else if buildpackURL, ok := prevRelease.Env["BUILDPACK_URL"]; ok {
jobEnv["BUILDPACK_URL"] = buildpackURL
}
for _, k := range []string{"SSH_CLIENT_KEY", "SSH_CLIENT_HOSTS"} {
if v := os.Getenv(k); v != "" {
jobEnv[k] = v
}
}
job := &host.Job{
Config: host.ContainerConfig{
Args: []string{"/builder/build.sh"},
Env: jobEnv,
Stdin: true,
DisableLog: true,
},
Partition: "background",
Metadata: map[string]string{
"flynn-controller.app": app.ID,
"flynn-controller.app_name": app.Name,
"flynn-controller.release": prevRelease.ID,
"flynn-controller.type": "slugbuilder",
},
Resources: resource.Defaults(),
}
if sb, ok := prevRelease.Processes["slugbuilder"]; ok {
job.Resources = sb.Resources
} else if rawLimit := os.Getenv("SLUGBUILDER_DEFAULT_MEMORY_LIMIT"); rawLimit != "" {
if limit, err := resource.ParseLimit(resource.TypeMemory, rawLimit); err == nil {
job.Resources[resource.TypeMemory] = resource.Spec{Limit: &limit, Request: &limit}
}
}
cmd := exec.Job(slugBuilder, job)
cmd.Volumes = []*ct.VolumeReq{{Path: "/tmp", DeleteOnStop: true}}
var output bytes.Buffer
cmd.Stdout = io.MultiWriter(os.Stdout, &output)
cmd.Stderr = os.Stderr
releaseEnv := make(map[string]string, len(env))
if prevRelease.Env != nil {
for k, v := range prevRelease.Env {
//.........这里部分代码省略.........
开发者ID:imjorge,项目名称:flynn,代码行数:101,代码来源:flynn-receive.go
示例20: tufHTTPOpts
func tufHTTPOpts(name string) *tuf.HTTPRemoteOptions {
return &tuf.HTTPRemoteOptions{
UserAgent: fmt.Sprintf("flynn-host/%s %s-%s %s", version.String(), runtime.GOOS, runtime.GOARCH, name),
}
}
开发者ID:devick,项目名称:flynn,代码行数:5,代码来源:download.go
注:本文中的github.com/flynn/flynn/pkg/version.String函数示例整理自Github/MSDocs等源码及文档管理平台,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。 |
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