commands.go 63 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163116411651166116711681169117011711172117311741175117611771178117911801181118211831184118511861187118811891190119111921193119411951196119711981199120012011202120312041205120612071208120912101211121212131214121512161217121812191220122112221223122412251226122712281229123012311232123312341235123612371238123912401241124212431244124512461247124812491250125112521253125412551256125712581259126012611262126312641265126612671268126912701271127212731274127512761277127812791280128112821283128412851286128712881289129012911292129312941295129612971298129913001301130213031304130513061307130813091310131113121313131413151316131713181319132013211322132313241325132613271328132913301331133213331334133513361337133813391340134113421343134413451346134713481349135013511352135313541355135613571358135913601361136213631364136513661367136813691370137113721373137413751376137713781379138013811382138313841385138613871388138913901391139213931394139513961397139813991400140114021403140414051406140714081409141014111412141314141415141614171418141914201421142214231424142514261427142814291430143114321433143414351436143714381439144014411442144314441445144614471448144914501451145214531454145514561457145814591460146114621463146414651466146714681469147014711472147314741475147614771478147914801481148214831484148514861487148814891490149114921493149414951496149714981499150015011502150315041505150615071508150915101511151215131514151515161517151815191520152115221523152415251526152715281529153015311532153315341535153615371538153915401541154215431544154515461547154815491550155115521553155415551556155715581559156015611562156315641565156615671568156915701571157215731574157515761577157815791580158115821583158415851586158715881589159015911592159315941595159615971598159916001601160216031604160516061607160816091610161116121613161416151616161716181619162016211622162316241625162616271628162916301631163216331634163516361637163816391640164116421643164416451646164716481649165016511652165316541655165616571658165916601661166216631664166516661667166816691670167116721673167416751676167716781679168016811682168316841685168616871688168916901691169216931694169516961697169816991700170117021703170417051706170717081709171017111712171317141715171617171718171917201721172217231724172517261727172817291730173117321733173417351736173717381739174017411742174317441745174617471748174917501751175217531754175517561757175817591760176117621763176417651766176717681769177017711772177317741775177617771778177917801781178217831784178517861787178817891790179117921793179417951796179717981799180018011802180318041805180618071808180918101811181218131814181518161817181818191820182118221823182418251826182718281829183018311832183318341835183618371838183918401841184218431844184518461847184818491850185118521853185418551856185718581859186018611862186318641865186618671868186918701871187218731874187518761877187818791880188118821883188418851886188718881889189018911892189318941895189618971898189919001901190219031904190519061907190819091910191119121913191419151916191719181919192019211922192319241925192619271928192919301931193219331934193519361937193819391940194119421943194419451946194719481949195019511952195319541955195619571958195919601961196219631964196519661967196819691970197119721973197419751976197719781979198019811982198319841985198619871988198919901991199219931994199519961997199819992000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024202520262027202820292030203120322033203420352036203720382039204020412042204320442045204620472048204920502051205220532054205520562057205820592060206120622063206420652066206720682069207020712072207320742075207620772078207920802081208220832084208520862087208820892090209120922093209420952096209720982099210021012102210321042105210621072108210921102111211221132114211521162117211821192120212121222123212421252126212721282129213021312132213321342135213621372138213921402141214221432144214521462147214821492150215121522153215421552156215721582159216021612162216321642165216621672168216921702171217221732174217521762177217821792180218121822183218421852186218721882189219021912192219321942195219621972198219922002201220222032204220522062207220822092210221122122213221422152216221722182219222022212222222322242225222622272228222922302231223222332234223522362237223822392240224122422243224422452246224722482249225022512252225322542255225622572258225922602261226222632264226522662267226822692270227122722273227422752276227722782279228022812282228322842285228622872288228922902291229222932294229522962297229822992300230123022303230423052306230723082309231023112312231323142315
  1. package client
  2. import (
  3. "bufio"
  4. "bytes"
  5. "encoding/base64"
  6. "encoding/json"
  7. "fmt"
  8. "io"
  9. "io/ioutil"
  10. "net/http"
  11. "net/url"
  12. "os"
  13. "os/exec"
  14. "path"
  15. "path/filepath"
  16. "runtime"
  17. "strconv"
  18. "strings"
  19. "syscall"
  20. "text/tabwriter"
  21. "text/template"
  22. "time"
  23. "github.com/docker/docker/api"
  24. "github.com/docker/docker/archive"
  25. "github.com/docker/docker/dockerversion"
  26. "github.com/docker/docker/engine"
  27. "github.com/docker/docker/nat"
  28. "github.com/docker/docker/opts"
  29. "github.com/docker/docker/pkg/parsers"
  30. "github.com/docker/docker/pkg/parsers/filters"
  31. "github.com/docker/docker/pkg/signal"
  32. "github.com/docker/docker/pkg/term"
  33. "github.com/docker/docker/pkg/units"
  34. "github.com/docker/docker/registry"
  35. "github.com/docker/docker/runconfig"
  36. "github.com/docker/docker/utils"
  37. )
  38. const (
  39. tarHeaderSize = 512
  40. )
  41. func (cli *DockerCli) CmdHelp(args ...string) error {
  42. if len(args) > 0 {
  43. method, exists := cli.getMethod(args[0])
  44. if !exists {
  45. fmt.Fprintf(cli.err, "Error: Command not found: %s\n", args[0])
  46. } else {
  47. method("--help")
  48. return nil
  49. }
  50. }
  51. help := fmt.Sprintf("Usage: docker [OPTIONS] COMMAND [arg...]\n -H=[unix://%s]: tcp://host:port to bind/connect to or unix://path/to/socket to use\n\nA self-sufficient runtime for linux containers.\n\nCommands:\n", api.DEFAULTUNIXSOCKET)
  52. for _, command := range [][]string{
  53. {"attach", "Attach to a running container"},
  54. {"build", "Build an image from a Dockerfile"},
  55. {"commit", "Create a new image from a container's changes"},
  56. {"cp", "Copy files/folders from a container's filesystem to the host path"},
  57. {"diff", "Inspect changes on a container's filesystem"},
  58. {"events", "Get real time events from the server"},
  59. {"export", "Stream the contents of a container as a tar archive"},
  60. {"history", "Show the history of an image"},
  61. {"images", "List images"},
  62. {"import", "Create a new filesystem image from the contents of a tarball"},
  63. {"info", "Display system-wide information"},
  64. {"inspect", "Return low-level information on a container"},
  65. {"kill", "Kill a running container"},
  66. {"load", "Load an image from a tar archive"},
  67. {"login", "Register or log in to a Docker registry server"},
  68. {"logout", "Log out from a Docker registry server"},
  69. {"logs", "Fetch the logs of a container"},
  70. {"port", "Lookup the public-facing port that is NAT-ed to PRIVATE_PORT"},
  71. {"pause", "Pause all processes within a container"},
  72. {"ps", "List containers"},
  73. {"pull", "Pull an image or a repository from a Docker registry server"},
  74. {"push", "Push an image or a repository to a Docker registry server"},
  75. {"restart", "Restart a running container"},
  76. {"rm", "Remove one or more containers"},
  77. {"rmi", "Remove one or more images"},
  78. {"run", "Run a command in a new container"},
  79. {"save", "Save an image to a tar archive"},
  80. {"search", "Search for an image on the Docker Hub"},
  81. {"start", "Start a stopped container"},
  82. {"stop", "Stop a running container"},
  83. {"tag", "Tag an image into a repository"},
  84. {"top", "Lookup the running processes of a container"},
  85. {"unpause", "Unpause a paused container"},
  86. {"version", "Show the Docker version information"},
  87. {"wait", "Block until a container stops, then print its exit code"},
  88. } {
  89. help += fmt.Sprintf(" %-10.10s%s\n", command[0], command[1])
  90. }
  91. fmt.Fprintf(cli.err, "%s\n", help)
  92. return nil
  93. }
  94. func (cli *DockerCli) CmdBuild(args ...string) error {
  95. cmd := cli.Subcmd("build", "[OPTIONS] PATH | URL | -", "Build a new image from the source code at PATH")
  96. tag := cmd.String([]string{"t", "-tag"}, "", "Repository name (and optionally a tag) to be applied to the resulting image in case of success")
  97. suppressOutput := cmd.Bool([]string{"q", "-quiet"}, false, "Suppress the verbose output generated by the containers")
  98. noCache := cmd.Bool([]string{"#no-cache", "-no-cache"}, false, "Do not use cache when building the image")
  99. rm := cmd.Bool([]string{"#rm", "-rm"}, true, "Remove intermediate containers after a successful build")
  100. forceRm := cmd.Bool([]string{"-force-rm"}, false, "Always remove intermediate containers, even after unsuccessful builds")
  101. if err := cmd.Parse(args); err != nil {
  102. return nil
  103. }
  104. if cmd.NArg() != 1 {
  105. cmd.Usage()
  106. return nil
  107. }
  108. var (
  109. context archive.Archive
  110. isRemote bool
  111. err error
  112. )
  113. _, err = exec.LookPath("git")
  114. hasGit := err == nil
  115. if cmd.Arg(0) == "-" {
  116. // As a special case, 'docker build -' will build from either an empty context with the
  117. // contents of stdin as a Dockerfile, or a tar-ed context from stdin.
  118. buf := bufio.NewReader(cli.in)
  119. magic, err := buf.Peek(tarHeaderSize)
  120. if err != nil && err != io.EOF {
  121. return fmt.Errorf("failed to peek context header from STDIN: %v", err)
  122. }
  123. if !archive.IsArchive(magic) {
  124. dockerfile, err := ioutil.ReadAll(buf)
  125. if err != nil {
  126. return fmt.Errorf("failed to read Dockerfile from STDIN: %v", err)
  127. }
  128. context, err = archive.Generate("Dockerfile", string(dockerfile))
  129. } else {
  130. context = ioutil.NopCloser(buf)
  131. }
  132. } else if utils.IsURL(cmd.Arg(0)) && (!utils.IsGIT(cmd.Arg(0)) || !hasGit) {
  133. isRemote = true
  134. } else {
  135. root := cmd.Arg(0)
  136. if utils.IsGIT(root) {
  137. remoteURL := cmd.Arg(0)
  138. if !strings.HasPrefix(remoteURL, "git://") && !strings.HasPrefix(remoteURL, "git@") && !utils.IsURL(remoteURL) {
  139. remoteURL = "https://" + remoteURL
  140. }
  141. root, err = ioutil.TempDir("", "docker-build-git")
  142. if err != nil {
  143. return err
  144. }
  145. defer os.RemoveAll(root)
  146. if output, err := exec.Command("git", "clone", "--recursive", remoteURL, root).CombinedOutput(); err != nil {
  147. return fmt.Errorf("Error trying to use git: %s (%s)", err, output)
  148. }
  149. }
  150. if _, err := os.Stat(root); err != nil {
  151. return err
  152. }
  153. filename := path.Join(root, "Dockerfile")
  154. if _, err = os.Stat(filename); os.IsNotExist(err) {
  155. return fmt.Errorf("no Dockerfile found in %s", cmd.Arg(0))
  156. }
  157. var excludes []string
  158. ignore, err := ioutil.ReadFile(path.Join(root, ".dockerignore"))
  159. if err != nil && !os.IsNotExist(err) {
  160. return fmt.Errorf("Error reading .dockerignore: '%s'", err)
  161. }
  162. for _, pattern := range strings.Split(string(ignore), "\n") {
  163. ok, err := filepath.Match(pattern, "Dockerfile")
  164. if err != nil {
  165. return fmt.Errorf("Bad .dockerignore pattern: '%s', error: %s", pattern, err)
  166. }
  167. if ok {
  168. return fmt.Errorf("Dockerfile was excluded by .dockerignore pattern '%s'", pattern)
  169. }
  170. excludes = append(excludes, pattern)
  171. }
  172. if err = utils.ValidateContextDirectory(root, excludes); err != nil {
  173. return fmt.Errorf("Error checking context is accessible: '%s'. Please check permissions and try again.", err)
  174. }
  175. options := &archive.TarOptions{
  176. Compression: archive.Uncompressed,
  177. Excludes: excludes,
  178. }
  179. context, err = archive.TarWithOptions(root, options)
  180. if err != nil {
  181. return err
  182. }
  183. }
  184. var body io.Reader
  185. // Setup an upload progress bar
  186. // FIXME: ProgressReader shouldn't be this annoying to use
  187. if context != nil {
  188. sf := utils.NewStreamFormatter(false)
  189. body = utils.ProgressReader(context, 0, cli.err, sf, true, "", "Sending build context to Docker daemon")
  190. }
  191. // Send the build context
  192. v := &url.Values{}
  193. //Check if the given image name can be resolved
  194. if *tag != "" {
  195. repository, _ := parsers.ParseRepositoryTag(*tag)
  196. if _, _, err := registry.ResolveRepositoryName(repository); err != nil {
  197. return err
  198. }
  199. }
  200. v.Set("t", *tag)
  201. if *suppressOutput {
  202. v.Set("q", "1")
  203. }
  204. if isRemote {
  205. v.Set("remote", cmd.Arg(0))
  206. }
  207. if *noCache {
  208. v.Set("nocache", "1")
  209. }
  210. if *rm {
  211. v.Set("rm", "1")
  212. } else {
  213. v.Set("rm", "0")
  214. }
  215. if *forceRm {
  216. v.Set("forcerm", "1")
  217. }
  218. cli.LoadConfigFile()
  219. headers := http.Header(make(map[string][]string))
  220. buf, err := json.Marshal(cli.configFile)
  221. if err != nil {
  222. return err
  223. }
  224. headers.Add("X-Registry-Config", base64.URLEncoding.EncodeToString(buf))
  225. if context != nil {
  226. headers.Set("Content-Type", "application/tar")
  227. }
  228. err = cli.stream("POST", fmt.Sprintf("/build?%s", v.Encode()), body, cli.out, headers)
  229. if jerr, ok := err.(*utils.JSONError); ok {
  230. // If no error code is set, default to 1
  231. if jerr.Code == 0 {
  232. jerr.Code = 1
  233. }
  234. return &utils.StatusError{Status: jerr.Message, StatusCode: jerr.Code}
  235. }
  236. return err
  237. }
  238. // 'docker login': login / register a user to registry service.
  239. func (cli *DockerCli) CmdLogin(args ...string) error {
  240. cmd := cli.Subcmd("login", "[OPTIONS] [SERVER]", "Register or log in to a Docker registry server, if no server is specified \""+registry.IndexServerAddress()+"\" is the default.")
  241. var username, password, email string
  242. cmd.StringVar(&username, []string{"u", "-username"}, "", "Username")
  243. cmd.StringVar(&password, []string{"p", "-password"}, "", "Password")
  244. cmd.StringVar(&email, []string{"e", "-email"}, "", "Email")
  245. err := cmd.Parse(args)
  246. if err != nil {
  247. return nil
  248. }
  249. serverAddress := registry.IndexServerAddress()
  250. if len(cmd.Args()) > 0 {
  251. serverAddress = cmd.Arg(0)
  252. }
  253. promptDefault := func(prompt string, configDefault string) {
  254. if configDefault == "" {
  255. fmt.Fprintf(cli.out, "%s: ", prompt)
  256. } else {
  257. fmt.Fprintf(cli.out, "%s (%s): ", prompt, configDefault)
  258. }
  259. }
  260. readInput := func(in io.Reader, out io.Writer) string {
  261. reader := bufio.NewReader(in)
  262. line, _, err := reader.ReadLine()
  263. if err != nil {
  264. fmt.Fprintln(out, err.Error())
  265. os.Exit(1)
  266. }
  267. return string(line)
  268. }
  269. cli.LoadConfigFile()
  270. authconfig, ok := cli.configFile.Configs[serverAddress]
  271. if !ok {
  272. authconfig = registry.AuthConfig{}
  273. }
  274. if username == "" {
  275. promptDefault("Username", authconfig.Username)
  276. username = readInput(cli.in, cli.out)
  277. if username == "" {
  278. username = authconfig.Username
  279. }
  280. }
  281. if username != authconfig.Username {
  282. if password == "" {
  283. oldState, _ := term.SaveState(cli.terminalFd)
  284. fmt.Fprintf(cli.out, "Password: ")
  285. term.DisableEcho(cli.terminalFd, oldState)
  286. password = readInput(cli.in, cli.out)
  287. fmt.Fprint(cli.out, "\n")
  288. term.RestoreTerminal(cli.terminalFd, oldState)
  289. if password == "" {
  290. return fmt.Errorf("Error : Password Required")
  291. }
  292. }
  293. if email == "" {
  294. promptDefault("Email", authconfig.Email)
  295. email = readInput(cli.in, cli.out)
  296. if email == "" {
  297. email = authconfig.Email
  298. }
  299. }
  300. } else {
  301. password = authconfig.Password
  302. email = authconfig.Email
  303. }
  304. authconfig.Username = username
  305. authconfig.Password = password
  306. authconfig.Email = email
  307. authconfig.ServerAddress = serverAddress
  308. cli.configFile.Configs[serverAddress] = authconfig
  309. stream, statusCode, err := cli.call("POST", "/auth", cli.configFile.Configs[serverAddress], false)
  310. if statusCode == 401 {
  311. delete(cli.configFile.Configs, serverAddress)
  312. registry.SaveConfig(cli.configFile)
  313. return err
  314. }
  315. if err != nil {
  316. return err
  317. }
  318. var out2 engine.Env
  319. err = out2.Decode(stream)
  320. if err != nil {
  321. cli.configFile, _ = registry.LoadConfig(os.Getenv("HOME"))
  322. return err
  323. }
  324. registry.SaveConfig(cli.configFile)
  325. if out2.Get("Status") != "" {
  326. fmt.Fprintf(cli.out, "%s\n", out2.Get("Status"))
  327. }
  328. return nil
  329. }
  330. // log out from a Docker registry
  331. func (cli *DockerCli) CmdLogout(args ...string) error {
  332. cmd := cli.Subcmd("logout", "[SERVER]", "Log out from a Docker registry, if no server is specified \""+registry.IndexServerAddress()+"\" is the default.")
  333. if err := cmd.Parse(args); err != nil {
  334. return nil
  335. }
  336. serverAddress := registry.IndexServerAddress()
  337. if len(cmd.Args()) > 0 {
  338. serverAddress = cmd.Arg(0)
  339. }
  340. cli.LoadConfigFile()
  341. if _, ok := cli.configFile.Configs[serverAddress]; !ok {
  342. fmt.Fprintf(cli.out, "Not logged in to %s\n", serverAddress)
  343. } else {
  344. fmt.Fprintf(cli.out, "Remove login credentials for %s\n", serverAddress)
  345. delete(cli.configFile.Configs, serverAddress)
  346. if err := registry.SaveConfig(cli.configFile); err != nil {
  347. return fmt.Errorf("Failed to save docker config: %v", err)
  348. }
  349. }
  350. return nil
  351. }
  352. // 'docker wait': block until a container stops
  353. func (cli *DockerCli) CmdWait(args ...string) error {
  354. cmd := cli.Subcmd("wait", "CONTAINER [CONTAINER...]", "Block until a container stops, then print its exit code.")
  355. if err := cmd.Parse(args); err != nil {
  356. return nil
  357. }
  358. if cmd.NArg() < 1 {
  359. cmd.Usage()
  360. return nil
  361. }
  362. var encounteredError error
  363. for _, name := range cmd.Args() {
  364. status, err := waitForExit(cli, name)
  365. if err != nil {
  366. fmt.Fprintf(cli.err, "%s\n", err)
  367. encounteredError = fmt.Errorf("Error: failed to wait one or more containers")
  368. } else {
  369. fmt.Fprintf(cli.out, "%d\n", status)
  370. }
  371. }
  372. return encounteredError
  373. }
  374. // 'docker version': show version information
  375. func (cli *DockerCli) CmdVersion(args ...string) error {
  376. cmd := cli.Subcmd("version", "", "Show the Docker version information.")
  377. if err := cmd.Parse(args); err != nil {
  378. return nil
  379. }
  380. if cmd.NArg() > 0 {
  381. cmd.Usage()
  382. return nil
  383. }
  384. if dockerversion.VERSION != "" {
  385. fmt.Fprintf(cli.out, "Client version: %s\n", dockerversion.VERSION)
  386. }
  387. fmt.Fprintf(cli.out, "Client API version: %s\n", api.APIVERSION)
  388. fmt.Fprintf(cli.out, "Go version (client): %s\n", runtime.Version())
  389. if dockerversion.GITCOMMIT != "" {
  390. fmt.Fprintf(cli.out, "Git commit (client): %s\n", dockerversion.GITCOMMIT)
  391. }
  392. fmt.Fprintf(cli.out, "OS/Arch (client): %s/%s\n", runtime.GOOS, runtime.GOARCH)
  393. body, _, err := readBody(cli.call("GET", "/version", nil, false))
  394. if err != nil {
  395. return err
  396. }
  397. out := engine.NewOutput()
  398. remoteVersion, err := out.AddEnv()
  399. if err != nil {
  400. utils.Errorf("Error reading remote version: %s\n", err)
  401. return err
  402. }
  403. if _, err := out.Write(body); err != nil {
  404. utils.Errorf("Error reading remote version: %s\n", err)
  405. return err
  406. }
  407. out.Close()
  408. fmt.Fprintf(cli.out, "Server version: %s\n", remoteVersion.Get("Version"))
  409. if apiVersion := remoteVersion.Get("ApiVersion"); apiVersion != "" {
  410. fmt.Fprintf(cli.out, "Server API version: %s\n", apiVersion)
  411. }
  412. fmt.Fprintf(cli.out, "Go version (server): %s\n", remoteVersion.Get("GoVersion"))
  413. fmt.Fprintf(cli.out, "Git commit (server): %s\n", remoteVersion.Get("GitCommit"))
  414. return nil
  415. }
  416. // 'docker info': display system-wide information.
  417. func (cli *DockerCli) CmdInfo(args ...string) error {
  418. cmd := cli.Subcmd("info", "", "Display system-wide information")
  419. if err := cmd.Parse(args); err != nil {
  420. return nil
  421. }
  422. if cmd.NArg() > 0 {
  423. cmd.Usage()
  424. return nil
  425. }
  426. body, _, err := readBody(cli.call("GET", "/info", nil, false))
  427. if err != nil {
  428. return err
  429. }
  430. out := engine.NewOutput()
  431. remoteInfo, err := out.AddEnv()
  432. if err != nil {
  433. return err
  434. }
  435. if _, err := out.Write(body); err != nil {
  436. utils.Errorf("Error reading remote info: %s\n", err)
  437. return err
  438. }
  439. out.Close()
  440. fmt.Fprintf(cli.out, "Containers: %d\n", remoteInfo.GetInt("Containers"))
  441. fmt.Fprintf(cli.out, "Images: %d\n", remoteInfo.GetInt("Images"))
  442. fmt.Fprintf(cli.out, "Storage Driver: %s\n", remoteInfo.Get("Driver"))
  443. var driverStatus [][2]string
  444. if err := remoteInfo.GetJson("DriverStatus", &driverStatus); err != nil {
  445. return err
  446. }
  447. for _, pair := range driverStatus {
  448. fmt.Fprintf(cli.out, " %s: %s\n", pair[0], pair[1])
  449. }
  450. fmt.Fprintf(cli.out, "Execution Driver: %s\n", remoteInfo.Get("ExecutionDriver"))
  451. fmt.Fprintf(cli.out, "Kernel Version: %s\n", remoteInfo.Get("KernelVersion"))
  452. fmt.Fprintf(cli.out, "Operating System: %s\n", remoteInfo.Get("OperatingSystem"))
  453. if remoteInfo.GetBool("Debug") || os.Getenv("DEBUG") != "" {
  454. fmt.Fprintf(cli.out, "Debug mode (server): %v\n", remoteInfo.GetBool("Debug"))
  455. fmt.Fprintf(cli.out, "Debug mode (client): %v\n", os.Getenv("DEBUG") != "")
  456. fmt.Fprintf(cli.out, "Fds: %d\n", remoteInfo.GetInt("NFd"))
  457. fmt.Fprintf(cli.out, "Goroutines: %d\n", remoteInfo.GetInt("NGoroutines"))
  458. fmt.Fprintf(cli.out, "EventsListeners: %d\n", remoteInfo.GetInt("NEventsListener"))
  459. if initSha1 := remoteInfo.Get("InitSha1"); initSha1 != "" {
  460. fmt.Fprintf(cli.out, "Init SHA1: %s\n", initSha1)
  461. }
  462. if initPath := remoteInfo.Get("InitPath"); initPath != "" {
  463. fmt.Fprintf(cli.out, "Init Path: %s\n", initPath)
  464. }
  465. if len(remoteInfo.GetList("Sockets")) != 0 {
  466. fmt.Fprintf(cli.out, "Sockets: %v\n", remoteInfo.GetList("Sockets"))
  467. }
  468. }
  469. if len(remoteInfo.GetList("IndexServerAddress")) != 0 {
  470. cli.LoadConfigFile()
  471. u := cli.configFile.Configs[remoteInfo.Get("IndexServerAddress")].Username
  472. if len(u) > 0 {
  473. fmt.Fprintf(cli.out, "Username: %v\n", u)
  474. fmt.Fprintf(cli.out, "Registry: %v\n", remoteInfo.GetList("IndexServerAddress"))
  475. }
  476. }
  477. if !remoteInfo.GetBool("MemoryLimit") {
  478. fmt.Fprintf(cli.err, "WARNING: No memory limit support\n")
  479. }
  480. if !remoteInfo.GetBool("SwapLimit") {
  481. fmt.Fprintf(cli.err, "WARNING: No swap limit support\n")
  482. }
  483. if !remoteInfo.GetBool("IPv4Forwarding") {
  484. fmt.Fprintf(cli.err, "WARNING: IPv4 forwarding is disabled.\n")
  485. }
  486. return nil
  487. }
  488. func (cli *DockerCli) CmdStop(args ...string) error {
  489. cmd := cli.Subcmd("stop", "[OPTIONS] CONTAINER [CONTAINER...]", "Stop a running container by sending SIGTERM and then SIGKILL after a grace period")
  490. nSeconds := cmd.Int([]string{"t", "-time"}, 10, "Number of seconds to wait for the container to stop before killing it. Default is 10 seconds.")
  491. if err := cmd.Parse(args); err != nil {
  492. return nil
  493. }
  494. if cmd.NArg() < 1 {
  495. cmd.Usage()
  496. return nil
  497. }
  498. v := url.Values{}
  499. v.Set("t", strconv.Itoa(*nSeconds))
  500. var encounteredError error
  501. for _, name := range cmd.Args() {
  502. _, _, err := readBody(cli.call("POST", "/containers/"+name+"/stop?"+v.Encode(), nil, false))
  503. if err != nil {
  504. fmt.Fprintf(cli.err, "%s\n", err)
  505. encounteredError = fmt.Errorf("Error: failed to stop one or more containers")
  506. } else {
  507. fmt.Fprintf(cli.out, "%s\n", name)
  508. }
  509. }
  510. return encounteredError
  511. }
  512. func (cli *DockerCli) CmdRestart(args ...string) error {
  513. cmd := cli.Subcmd("restart", "[OPTIONS] CONTAINER [CONTAINER...]", "Restart a running container")
  514. nSeconds := cmd.Int([]string{"t", "-time"}, 10, "Number of seconds to try to stop for before killing the container. Once killed it will then be restarted. Default is 10 seconds.")
  515. if err := cmd.Parse(args); err != nil {
  516. return nil
  517. }
  518. if cmd.NArg() < 1 {
  519. cmd.Usage()
  520. return nil
  521. }
  522. v := url.Values{}
  523. v.Set("t", strconv.Itoa(*nSeconds))
  524. var encounteredError error
  525. for _, name := range cmd.Args() {
  526. _, _, err := readBody(cli.call("POST", "/containers/"+name+"/restart?"+v.Encode(), nil, false))
  527. if err != nil {
  528. fmt.Fprintf(cli.err, "%s\n", err)
  529. encounteredError = fmt.Errorf("Error: failed to restart one or more containers")
  530. } else {
  531. fmt.Fprintf(cli.out, "%s\n", name)
  532. }
  533. }
  534. return encounteredError
  535. }
  536. func (cli *DockerCli) forwardAllSignals(cid string) chan os.Signal {
  537. sigc := make(chan os.Signal, 128)
  538. signal.CatchAll(sigc)
  539. go func() {
  540. for s := range sigc {
  541. if s == syscall.SIGCHLD {
  542. continue
  543. }
  544. var sig string
  545. for sigStr, sigN := range signal.SignalMap {
  546. if sigN == s {
  547. sig = sigStr
  548. break
  549. }
  550. }
  551. if sig == "" {
  552. utils.Errorf("Unsupported signal: %d. Discarding.", s)
  553. }
  554. if _, _, err := readBody(cli.call("POST", fmt.Sprintf("/containers/%s/kill?signal=%s", cid, sig), nil, false)); err != nil {
  555. utils.Debugf("Error sending signal: %s", err)
  556. }
  557. }
  558. }()
  559. return sigc
  560. }
  561. func (cli *DockerCli) CmdStart(args ...string) error {
  562. var (
  563. cErr chan error
  564. tty bool
  565. cmd = cli.Subcmd("start", "CONTAINER [CONTAINER...]", "Restart a stopped container")
  566. attach = cmd.Bool([]string{"a", "-attach"}, false, "Attach container's STDOUT and STDERR and forward all signals to the process")
  567. openStdin = cmd.Bool([]string{"i", "-interactive"}, false, "Attach container's STDIN")
  568. )
  569. if err := cmd.Parse(args); err != nil {
  570. return nil
  571. }
  572. if cmd.NArg() < 1 {
  573. cmd.Usage()
  574. return nil
  575. }
  576. if *attach || *openStdin {
  577. if cmd.NArg() > 1 {
  578. return fmt.Errorf("You cannot start and attach multiple containers at once.")
  579. }
  580. steam, _, err := cli.call("GET", "/containers/"+cmd.Arg(0)+"/json", nil, false)
  581. if err != nil {
  582. return err
  583. }
  584. env := engine.Env{}
  585. if err := env.Decode(steam); err != nil {
  586. return err
  587. }
  588. config := env.GetSubEnv("Config")
  589. tty = config.GetBool("Tty")
  590. if !tty {
  591. sigc := cli.forwardAllSignals(cmd.Arg(0))
  592. defer signal.StopCatch(sigc)
  593. }
  594. var in io.ReadCloser
  595. v := url.Values{}
  596. v.Set("stream", "1")
  597. if *openStdin && config.GetBool("OpenStdin") {
  598. v.Set("stdin", "1")
  599. in = cli.in
  600. }
  601. v.Set("stdout", "1")
  602. v.Set("stderr", "1")
  603. cErr = utils.Go(func() error {
  604. return cli.hijack("POST", "/containers/"+cmd.Arg(0)+"/attach?"+v.Encode(), tty, in, cli.out, cli.err, nil)
  605. })
  606. }
  607. var encounteredError error
  608. for _, name := range cmd.Args() {
  609. _, _, err := readBody(cli.call("POST", "/containers/"+name+"/start", nil, false))
  610. if err != nil {
  611. if !*attach || !*openStdin {
  612. fmt.Fprintf(cli.err, "%s\n", err)
  613. }
  614. encounteredError = fmt.Errorf("Error: failed to start one or more containers")
  615. } else {
  616. if !*attach || !*openStdin {
  617. fmt.Fprintf(cli.out, "%s\n", name)
  618. }
  619. }
  620. }
  621. if encounteredError != nil {
  622. if *openStdin || *attach {
  623. cli.in.Close()
  624. <-cErr
  625. }
  626. return encounteredError
  627. }
  628. if *openStdin || *attach {
  629. if tty && cli.isTerminal {
  630. if err := cli.monitorTtySize(cmd.Arg(0)); err != nil {
  631. utils.Errorf("Error monitoring TTY size: %s\n", err)
  632. }
  633. }
  634. return <-cErr
  635. }
  636. return nil
  637. }
  638. func (cli *DockerCli) CmdUnpause(args ...string) error {
  639. cmd := cli.Subcmd("unpause", "CONTAINER", "Unpause all processes within a container")
  640. if err := cmd.Parse(args); err != nil {
  641. return nil
  642. }
  643. if cmd.NArg() != 1 {
  644. cmd.Usage()
  645. return nil
  646. }
  647. var encounteredError error
  648. for _, name := range cmd.Args() {
  649. if _, _, err := readBody(cli.call("POST", fmt.Sprintf("/containers/%s/unpause", name), nil, false)); err != nil {
  650. fmt.Fprintf(cli.err, "%s\n", err)
  651. encounteredError = fmt.Errorf("Error: failed to unpause container named %s", name)
  652. } else {
  653. fmt.Fprintf(cli.out, "%s\n", name)
  654. }
  655. }
  656. return encounteredError
  657. }
  658. func (cli *DockerCli) CmdPause(args ...string) error {
  659. cmd := cli.Subcmd("pause", "CONTAINER", "Pause all processes within a container")
  660. if err := cmd.Parse(args); err != nil {
  661. return nil
  662. }
  663. if cmd.NArg() != 1 {
  664. cmd.Usage()
  665. return nil
  666. }
  667. var encounteredError error
  668. for _, name := range cmd.Args() {
  669. if _, _, err := readBody(cli.call("POST", fmt.Sprintf("/containers/%s/pause", name), nil, false)); err != nil {
  670. fmt.Fprintf(cli.err, "%s\n", err)
  671. encounteredError = fmt.Errorf("Error: failed to pause container named %s", name)
  672. } else {
  673. fmt.Fprintf(cli.out, "%s\n", name)
  674. }
  675. }
  676. return encounteredError
  677. }
  678. func (cli *DockerCli) CmdInspect(args ...string) error {
  679. cmd := cli.Subcmd("inspect", "CONTAINER|IMAGE [CONTAINER|IMAGE...]", "Return low-level information on a container or image")
  680. tmplStr := cmd.String([]string{"f", "#format", "-format"}, "", "Format the output using the given go template.")
  681. if err := cmd.Parse(args); err != nil {
  682. return nil
  683. }
  684. if cmd.NArg() < 1 {
  685. cmd.Usage()
  686. return nil
  687. }
  688. var tmpl *template.Template
  689. if *tmplStr != "" {
  690. var err error
  691. if tmpl, err = template.New("").Funcs(funcMap).Parse(*tmplStr); err != nil {
  692. fmt.Fprintf(cli.err, "Template parsing error: %v\n", err)
  693. return &utils.StatusError{StatusCode: 64,
  694. Status: "Template parsing error: " + err.Error()}
  695. }
  696. }
  697. indented := new(bytes.Buffer)
  698. indented.WriteByte('[')
  699. status := 0
  700. for _, name := range cmd.Args() {
  701. obj, _, err := readBody(cli.call("GET", "/containers/"+name+"/json", nil, false))
  702. if err != nil {
  703. obj, _, err = readBody(cli.call("GET", "/images/"+name+"/json", nil, false))
  704. if err != nil {
  705. if strings.Contains(err.Error(), "No such") {
  706. fmt.Fprintf(cli.err, "Error: No such image or container: %s\n", name)
  707. } else {
  708. fmt.Fprintf(cli.err, "%s", err)
  709. }
  710. status = 1
  711. continue
  712. }
  713. }
  714. if tmpl == nil {
  715. if err = json.Indent(indented, obj, "", " "); err != nil {
  716. fmt.Fprintf(cli.err, "%s\n", err)
  717. status = 1
  718. continue
  719. }
  720. } else {
  721. // Has template, will render
  722. var value interface{}
  723. if err := json.Unmarshal(obj, &value); err != nil {
  724. fmt.Fprintf(cli.err, "%s\n", err)
  725. status = 1
  726. continue
  727. }
  728. if err := tmpl.Execute(cli.out, value); err != nil {
  729. return err
  730. }
  731. cli.out.Write([]byte{'\n'})
  732. }
  733. indented.WriteString(",")
  734. }
  735. if indented.Len() > 1 {
  736. // Remove trailing ','
  737. indented.Truncate(indented.Len() - 1)
  738. }
  739. indented.WriteByte(']')
  740. if tmpl == nil {
  741. if _, err := io.Copy(cli.out, indented); err != nil {
  742. return err
  743. }
  744. }
  745. if status != 0 {
  746. return &utils.StatusError{StatusCode: status}
  747. }
  748. return nil
  749. }
  750. func (cli *DockerCli) CmdTop(args ...string) error {
  751. cmd := cli.Subcmd("top", "CONTAINER [ps OPTIONS]", "Display the running processes of a container")
  752. if err := cmd.Parse(args); err != nil {
  753. return nil
  754. }
  755. if cmd.NArg() == 0 {
  756. cmd.Usage()
  757. return nil
  758. }
  759. val := url.Values{}
  760. if cmd.NArg() > 1 {
  761. val.Set("ps_args", strings.Join(cmd.Args()[1:], " "))
  762. }
  763. stream, _, err := cli.call("GET", "/containers/"+cmd.Arg(0)+"/top?"+val.Encode(), nil, false)
  764. if err != nil {
  765. return err
  766. }
  767. var procs engine.Env
  768. if err := procs.Decode(stream); err != nil {
  769. return err
  770. }
  771. w := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0)
  772. fmt.Fprintln(w, strings.Join(procs.GetList("Titles"), "\t"))
  773. processes := [][]string{}
  774. if err := procs.GetJson("Processes", &processes); err != nil {
  775. return err
  776. }
  777. for _, proc := range processes {
  778. fmt.Fprintln(w, strings.Join(proc, "\t"))
  779. }
  780. w.Flush()
  781. return nil
  782. }
  783. func (cli *DockerCli) CmdPort(args ...string) error {
  784. cmd := cli.Subcmd("port", "CONTAINER PRIVATE_PORT", "Lookup the public-facing port that is NAT-ed to PRIVATE_PORT")
  785. if err := cmd.Parse(args); err != nil {
  786. return nil
  787. }
  788. if cmd.NArg() != 2 {
  789. cmd.Usage()
  790. return nil
  791. }
  792. var (
  793. port = cmd.Arg(1)
  794. proto = "tcp"
  795. parts = strings.SplitN(port, "/", 2)
  796. )
  797. if len(parts) == 2 && len(parts[1]) != 0 {
  798. port = parts[0]
  799. proto = parts[1]
  800. }
  801. steam, _, err := cli.call("GET", "/containers/"+cmd.Arg(0)+"/json", nil, false)
  802. if err != nil {
  803. return err
  804. }
  805. env := engine.Env{}
  806. if err := env.Decode(steam); err != nil {
  807. return err
  808. }
  809. ports := nat.PortMap{}
  810. if err := env.GetSubEnv("NetworkSettings").GetJson("Ports", &ports); err != nil {
  811. return err
  812. }
  813. if frontends, exists := ports[nat.Port(port+"/"+proto)]; exists && frontends != nil {
  814. for _, frontend := range frontends {
  815. fmt.Fprintf(cli.out, "%s:%s\n", frontend.HostIp, frontend.HostPort)
  816. }
  817. return nil
  818. }
  819. return fmt.Errorf("Error: No public port '%s' published for %s", cmd.Arg(1), cmd.Arg(0))
  820. }
  821. // 'docker rmi IMAGE' removes all images with the name IMAGE
  822. func (cli *DockerCli) CmdRmi(args ...string) error {
  823. var (
  824. cmd = cli.Subcmd("rmi", "IMAGE [IMAGE...]", "Remove one or more images")
  825. force = cmd.Bool([]string{"f", "-force"}, false, "Force removal of the image")
  826. noprune = cmd.Bool([]string{"-no-prune"}, false, "Do not delete untagged parents")
  827. )
  828. if err := cmd.Parse(args); err != nil {
  829. return nil
  830. }
  831. if cmd.NArg() < 1 {
  832. cmd.Usage()
  833. return nil
  834. }
  835. v := url.Values{}
  836. if *force {
  837. v.Set("force", "1")
  838. }
  839. if *noprune {
  840. v.Set("noprune", "1")
  841. }
  842. var encounteredError error
  843. for _, name := range cmd.Args() {
  844. body, _, err := readBody(cli.call("DELETE", "/images/"+name+"?"+v.Encode(), nil, false))
  845. if err != nil {
  846. fmt.Fprintf(cli.err, "%s\n", err)
  847. encounteredError = fmt.Errorf("Error: failed to remove one or more images")
  848. } else {
  849. outs := engine.NewTable("Created", 0)
  850. if _, err := outs.ReadListFrom(body); err != nil {
  851. fmt.Fprintf(cli.err, "%s\n", err)
  852. encounteredError = fmt.Errorf("Error: failed to remove one or more images")
  853. continue
  854. }
  855. for _, out := range outs.Data {
  856. if out.Get("Deleted") != "" {
  857. fmt.Fprintf(cli.out, "Deleted: %s\n", out.Get("Deleted"))
  858. } else {
  859. fmt.Fprintf(cli.out, "Untagged: %s\n", out.Get("Untagged"))
  860. }
  861. }
  862. }
  863. }
  864. return encounteredError
  865. }
  866. func (cli *DockerCli) CmdHistory(args ...string) error {
  867. cmd := cli.Subcmd("history", "[OPTIONS] IMAGE", "Show the history of an image")
  868. quiet := cmd.Bool([]string{"q", "-quiet"}, false, "Only show numeric IDs")
  869. noTrunc := cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Don't truncate output")
  870. if err := cmd.Parse(args); err != nil {
  871. return nil
  872. }
  873. if cmd.NArg() != 1 {
  874. cmd.Usage()
  875. return nil
  876. }
  877. body, _, err := readBody(cli.call("GET", "/images/"+cmd.Arg(0)+"/history", nil, false))
  878. if err != nil {
  879. return err
  880. }
  881. outs := engine.NewTable("Created", 0)
  882. if _, err := outs.ReadListFrom(body); err != nil {
  883. return err
  884. }
  885. w := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0)
  886. if !*quiet {
  887. fmt.Fprintln(w, "IMAGE\tCREATED\tCREATED BY\tSIZE")
  888. }
  889. for _, out := range outs.Data {
  890. outID := out.Get("Id")
  891. if !*quiet {
  892. if *noTrunc {
  893. fmt.Fprintf(w, "%s\t", outID)
  894. } else {
  895. fmt.Fprintf(w, "%s\t", utils.TruncateID(outID))
  896. }
  897. fmt.Fprintf(w, "%s ago\t", units.HumanDuration(time.Now().UTC().Sub(time.Unix(out.GetInt64("Created"), 0))))
  898. if *noTrunc {
  899. fmt.Fprintf(w, "%s\t", out.Get("CreatedBy"))
  900. } else {
  901. fmt.Fprintf(w, "%s\t", utils.Trunc(out.Get("CreatedBy"), 45))
  902. }
  903. fmt.Fprintf(w, "%s\n", units.HumanSize(out.GetInt64("Size")))
  904. } else {
  905. if *noTrunc {
  906. fmt.Fprintln(w, outID)
  907. } else {
  908. fmt.Fprintln(w, utils.TruncateID(outID))
  909. }
  910. }
  911. }
  912. w.Flush()
  913. return nil
  914. }
  915. func (cli *DockerCli) CmdRm(args ...string) error {
  916. cmd := cli.Subcmd("rm", "[OPTIONS] CONTAINER [CONTAINER...]", "Remove one or more containers")
  917. v := cmd.Bool([]string{"v", "-volumes"}, false, "Remove the volumes associated with the container")
  918. link := cmd.Bool([]string{"l", "#link", "-link"}, false, "Remove the specified link and not the underlying container")
  919. force := cmd.Bool([]string{"f", "-force"}, false, "Force the removal of a running container (uses SIGKILL)")
  920. if err := cmd.Parse(args); err != nil {
  921. return nil
  922. }
  923. if cmd.NArg() < 1 {
  924. cmd.Usage()
  925. return nil
  926. }
  927. val := url.Values{}
  928. if *v {
  929. val.Set("v", "1")
  930. }
  931. if *link {
  932. val.Set("link", "1")
  933. }
  934. if *force {
  935. val.Set("force", "1")
  936. }
  937. var encounteredError error
  938. for _, name := range cmd.Args() {
  939. _, _, err := readBody(cli.call("DELETE", "/containers/"+name+"?"+val.Encode(), nil, false))
  940. if err != nil {
  941. fmt.Fprintf(cli.err, "%s\n", err)
  942. encounteredError = fmt.Errorf("Error: failed to remove one or more containers")
  943. } else {
  944. fmt.Fprintf(cli.out, "%s\n", name)
  945. }
  946. }
  947. return encounteredError
  948. }
  949. // 'docker kill NAME' kills a running container
  950. func (cli *DockerCli) CmdKill(args ...string) error {
  951. cmd := cli.Subcmd("kill", "[OPTIONS] CONTAINER [CONTAINER...]", "Kill a running container using SIGKILL or a specified signal")
  952. signal := cmd.String([]string{"s", "-signal"}, "KILL", "Signal to send to the container")
  953. if err := cmd.Parse(args); err != nil {
  954. return nil
  955. }
  956. if cmd.NArg() < 1 {
  957. cmd.Usage()
  958. return nil
  959. }
  960. var encounteredError error
  961. for _, name := range cmd.Args() {
  962. if _, _, err := readBody(cli.call("POST", fmt.Sprintf("/containers/%s/kill?signal=%s", name, *signal), nil, false)); err != nil {
  963. fmt.Fprintf(cli.err, "%s\n", err)
  964. encounteredError = fmt.Errorf("Error: failed to kill one or more containers")
  965. } else {
  966. fmt.Fprintf(cli.out, "%s\n", name)
  967. }
  968. }
  969. return encounteredError
  970. }
  971. func (cli *DockerCli) CmdImport(args ...string) error {
  972. cmd := cli.Subcmd("import", "URL|- [REPOSITORY[:TAG]]", "Create an empty filesystem image and import the contents of the tarball (.tar, .tar.gz, .tgz, .bzip, .tar.xz, .txz) into it, then optionally tag it.")
  973. if err := cmd.Parse(args); err != nil {
  974. return nil
  975. }
  976. if cmd.NArg() < 1 {
  977. cmd.Usage()
  978. return nil
  979. }
  980. var (
  981. v = url.Values{}
  982. src = cmd.Arg(0)
  983. repository = cmd.Arg(1)
  984. )
  985. v.Set("fromSrc", src)
  986. v.Set("repo", repository)
  987. if cmd.NArg() == 3 {
  988. fmt.Fprintf(cli.err, "[DEPRECATED] The format 'URL|- [REPOSITORY [TAG]]' as been deprecated. Please use URL|- [REPOSITORY[:TAG]]\n")
  989. v.Set("tag", cmd.Arg(2))
  990. }
  991. if repository != "" {
  992. //Check if the given image name can be resolved
  993. if _, _, err := registry.ResolveRepositoryName(repository); err != nil {
  994. return err
  995. }
  996. }
  997. var in io.Reader
  998. if src == "-" {
  999. in = cli.in
  1000. }
  1001. return cli.stream("POST", "/images/create?"+v.Encode(), in, cli.out, nil)
  1002. }
  1003. func (cli *DockerCli) CmdPush(args ...string) error {
  1004. cmd := cli.Subcmd("push", "NAME[:TAG]", "Push an image or a repository to the registry")
  1005. if err := cmd.Parse(args); err != nil {
  1006. return nil
  1007. }
  1008. name := cmd.Arg(0)
  1009. if name == "" {
  1010. cmd.Usage()
  1011. return nil
  1012. }
  1013. cli.LoadConfigFile()
  1014. remote, tag := parsers.ParseRepositoryTag(name)
  1015. // Resolve the Repository name from fqn to hostname + name
  1016. hostname, _, err := registry.ResolveRepositoryName(remote)
  1017. if err != nil {
  1018. return err
  1019. }
  1020. // Resolve the Auth config relevant for this server
  1021. authConfig := cli.configFile.ResolveAuthConfig(hostname)
  1022. // If we're not using a custom registry, we know the restrictions
  1023. // applied to repository names and can warn the user in advance.
  1024. // Custom repositories can have different rules, and we must also
  1025. // allow pushing by image ID.
  1026. if len(strings.SplitN(name, "/", 2)) == 1 {
  1027. username := cli.configFile.Configs[registry.IndexServerAddress()].Username
  1028. if username == "" {
  1029. username = "<user>"
  1030. }
  1031. return fmt.Errorf("You cannot push a \"root\" repository. Please rename your repository in <user>/<repo> (ex: %s/%s)", username, name)
  1032. }
  1033. v := url.Values{}
  1034. v.Set("tag", tag)
  1035. push := func(authConfig registry.AuthConfig) error {
  1036. buf, err := json.Marshal(authConfig)
  1037. if err != nil {
  1038. return err
  1039. }
  1040. registryAuthHeader := []string{
  1041. base64.URLEncoding.EncodeToString(buf),
  1042. }
  1043. return cli.stream("POST", "/images/"+remote+"/push?"+v.Encode(), nil, cli.out, map[string][]string{
  1044. "X-Registry-Auth": registryAuthHeader,
  1045. })
  1046. }
  1047. if err := push(authConfig); err != nil {
  1048. if strings.Contains(err.Error(), "Status 401") {
  1049. fmt.Fprintln(cli.out, "\nPlease login prior to push:")
  1050. if err := cli.CmdLogin(hostname); err != nil {
  1051. return err
  1052. }
  1053. authConfig := cli.configFile.ResolveAuthConfig(hostname)
  1054. return push(authConfig)
  1055. }
  1056. return err
  1057. }
  1058. return nil
  1059. }
  1060. func (cli *DockerCli) CmdPull(args ...string) error {
  1061. cmd := cli.Subcmd("pull", "NAME[:TAG]", "Pull an image or a repository from the registry")
  1062. tag := cmd.String([]string{"#t", "#-tag"}, "", "Download tagged image in a repository")
  1063. if err := cmd.Parse(args); err != nil {
  1064. return nil
  1065. }
  1066. if cmd.NArg() != 1 {
  1067. cmd.Usage()
  1068. return nil
  1069. }
  1070. var (
  1071. v = url.Values{}
  1072. remote = cmd.Arg(0)
  1073. )
  1074. v.Set("fromImage", remote)
  1075. if *tag == "" {
  1076. v.Set("tag", *tag)
  1077. }
  1078. remote, _ = parsers.ParseRepositoryTag(remote)
  1079. // Resolve the Repository name from fqn to hostname + name
  1080. hostname, _, err := registry.ResolveRepositoryName(remote)
  1081. if err != nil {
  1082. return err
  1083. }
  1084. cli.LoadConfigFile()
  1085. // Resolve the Auth config relevant for this server
  1086. authConfig := cli.configFile.ResolveAuthConfig(hostname)
  1087. pull := func(authConfig registry.AuthConfig) error {
  1088. buf, err := json.Marshal(authConfig)
  1089. if err != nil {
  1090. return err
  1091. }
  1092. registryAuthHeader := []string{
  1093. base64.URLEncoding.EncodeToString(buf),
  1094. }
  1095. return cli.stream("POST", "/images/create?"+v.Encode(), nil, cli.out, map[string][]string{
  1096. "X-Registry-Auth": registryAuthHeader,
  1097. })
  1098. }
  1099. if err := pull(authConfig); err != nil {
  1100. if strings.Contains(err.Error(), "Status 401") {
  1101. fmt.Fprintln(cli.out, "\nPlease login prior to pull:")
  1102. if err := cli.CmdLogin(hostname); err != nil {
  1103. return err
  1104. }
  1105. authConfig := cli.configFile.ResolveAuthConfig(hostname)
  1106. return pull(authConfig)
  1107. }
  1108. return err
  1109. }
  1110. return nil
  1111. }
  1112. func (cli *DockerCli) CmdImages(args ...string) error {
  1113. cmd := cli.Subcmd("images", "[OPTIONS] [NAME]", "List images")
  1114. quiet := cmd.Bool([]string{"q", "-quiet"}, false, "Only show numeric IDs")
  1115. all := cmd.Bool([]string{"a", "-all"}, false, "Show all images (by default filter out the intermediate image layers)")
  1116. noTrunc := cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Don't truncate output")
  1117. // FIXME: --viz and --tree are deprecated. Remove them in a future version.
  1118. flViz := cmd.Bool([]string{"#v", "#viz", "#-viz"}, false, "Output graph in graphviz format")
  1119. flTree := cmd.Bool([]string{"#t", "#tree", "#-tree"}, false, "Output graph in tree format")
  1120. var flFilter opts.ListOpts
  1121. cmd.Var(&flFilter, []string{"f", "-filter"}, "Provide filter values (i.e. 'dangling=true')")
  1122. if err := cmd.Parse(args); err != nil {
  1123. return nil
  1124. }
  1125. if cmd.NArg() > 1 {
  1126. cmd.Usage()
  1127. return nil
  1128. }
  1129. // Consolidate all filter flags, and sanity check them early.
  1130. // They'll get process in the daemon/server.
  1131. imageFilterArgs := filters.Args{}
  1132. for _, f := range flFilter.GetAll() {
  1133. var err error
  1134. imageFilterArgs, err = filters.ParseFlag(f, imageFilterArgs)
  1135. if err != nil {
  1136. return err
  1137. }
  1138. }
  1139. matchName := cmd.Arg(0)
  1140. // FIXME: --viz and --tree are deprecated. Remove them in a future version.
  1141. if *flViz || *flTree {
  1142. v := url.Values{
  1143. "all": []string{"1"},
  1144. }
  1145. if len(imageFilterArgs) > 0 {
  1146. filterJson, err := filters.ToParam(imageFilterArgs)
  1147. if err != nil {
  1148. return err
  1149. }
  1150. v.Set("filters", filterJson)
  1151. }
  1152. body, _, err := readBody(cli.call("GET", "/images/json?"+v.Encode(), nil, false))
  1153. if err != nil {
  1154. return err
  1155. }
  1156. outs := engine.NewTable("Created", 0)
  1157. if _, err := outs.ReadListFrom(body); err != nil {
  1158. return err
  1159. }
  1160. var (
  1161. printNode func(cli *DockerCli, noTrunc bool, image *engine.Env, prefix string)
  1162. startImage *engine.Env
  1163. roots = engine.NewTable("Created", outs.Len())
  1164. byParent = make(map[string]*engine.Table)
  1165. )
  1166. for _, image := range outs.Data {
  1167. if image.Get("ParentId") == "" {
  1168. roots.Add(image)
  1169. } else {
  1170. if children, exists := byParent[image.Get("ParentId")]; exists {
  1171. children.Add(image)
  1172. } else {
  1173. byParent[image.Get("ParentId")] = engine.NewTable("Created", 1)
  1174. byParent[image.Get("ParentId")].Add(image)
  1175. }
  1176. }
  1177. if matchName != "" {
  1178. if matchName == image.Get("Id") || matchName == utils.TruncateID(image.Get("Id")) {
  1179. startImage = image
  1180. }
  1181. for _, repotag := range image.GetList("RepoTags") {
  1182. if repotag == matchName {
  1183. startImage = image
  1184. }
  1185. }
  1186. }
  1187. }
  1188. if *flViz {
  1189. fmt.Fprintf(cli.out, "digraph docker {\n")
  1190. printNode = (*DockerCli).printVizNode
  1191. } else {
  1192. printNode = (*DockerCli).printTreeNode
  1193. }
  1194. if startImage != nil {
  1195. root := engine.NewTable("Created", 1)
  1196. root.Add(startImage)
  1197. cli.WalkTree(*noTrunc, root, byParent, "", printNode)
  1198. } else if matchName == "" {
  1199. cli.WalkTree(*noTrunc, roots, byParent, "", printNode)
  1200. }
  1201. if *flViz {
  1202. fmt.Fprintf(cli.out, " base [style=invisible]\n}\n")
  1203. }
  1204. } else {
  1205. v := url.Values{}
  1206. if len(imageFilterArgs) > 0 {
  1207. filterJson, err := filters.ToParam(imageFilterArgs)
  1208. if err != nil {
  1209. return err
  1210. }
  1211. v.Set("filters", filterJson)
  1212. }
  1213. if cmd.NArg() == 1 {
  1214. // FIXME rename this parameter, to not be confused with the filters flag
  1215. v.Set("filter", matchName)
  1216. }
  1217. if *all {
  1218. v.Set("all", "1")
  1219. }
  1220. body, _, err := readBody(cli.call("GET", "/images/json?"+v.Encode(), nil, false))
  1221. if err != nil {
  1222. return err
  1223. }
  1224. outs := engine.NewTable("Created", 0)
  1225. if _, err := outs.ReadListFrom(body); err != nil {
  1226. return err
  1227. }
  1228. w := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0)
  1229. if !*quiet {
  1230. fmt.Fprintln(w, "REPOSITORY\tTAG\tIMAGE ID\tCREATED\tVIRTUAL SIZE")
  1231. }
  1232. for _, out := range outs.Data {
  1233. for _, repotag := range out.GetList("RepoTags") {
  1234. repo, tag := parsers.ParseRepositoryTag(repotag)
  1235. outID := out.Get("Id")
  1236. if !*noTrunc {
  1237. outID = utils.TruncateID(outID)
  1238. }
  1239. if !*quiet {
  1240. fmt.Fprintf(w, "%s\t%s\t%s\t%s ago\t%s\n", repo, tag, outID, units.HumanDuration(time.Now().UTC().Sub(time.Unix(out.GetInt64("Created"), 0))), units.HumanSize(out.GetInt64("VirtualSize")))
  1241. } else {
  1242. fmt.Fprintln(w, outID)
  1243. }
  1244. }
  1245. }
  1246. if !*quiet {
  1247. w.Flush()
  1248. }
  1249. }
  1250. return nil
  1251. }
  1252. // FIXME: --viz and --tree are deprecated. Remove them in a future version.
  1253. func (cli *DockerCli) WalkTree(noTrunc bool, images *engine.Table, byParent map[string]*engine.Table, prefix string, printNode func(cli *DockerCli, noTrunc bool, image *engine.Env, prefix string)) {
  1254. length := images.Len()
  1255. if length > 1 {
  1256. for index, image := range images.Data {
  1257. if index+1 == length {
  1258. printNode(cli, noTrunc, image, prefix+"└─")
  1259. if subimages, exists := byParent[image.Get("Id")]; exists {
  1260. cli.WalkTree(noTrunc, subimages, byParent, prefix+" ", printNode)
  1261. }
  1262. } else {
  1263. printNode(cli, noTrunc, image, prefix+"\u251C─")
  1264. if subimages, exists := byParent[image.Get("Id")]; exists {
  1265. cli.WalkTree(noTrunc, subimages, byParent, prefix+"\u2502 ", printNode)
  1266. }
  1267. }
  1268. }
  1269. } else {
  1270. for _, image := range images.Data {
  1271. printNode(cli, noTrunc, image, prefix+"└─")
  1272. if subimages, exists := byParent[image.Get("Id")]; exists {
  1273. cli.WalkTree(noTrunc, subimages, byParent, prefix+" ", printNode)
  1274. }
  1275. }
  1276. }
  1277. }
  1278. // FIXME: --viz and --tree are deprecated. Remove them in a future version.
  1279. func (cli *DockerCli) printVizNode(noTrunc bool, image *engine.Env, prefix string) {
  1280. var (
  1281. imageID string
  1282. parentID string
  1283. )
  1284. if noTrunc {
  1285. imageID = image.Get("Id")
  1286. parentID = image.Get("ParentId")
  1287. } else {
  1288. imageID = utils.TruncateID(image.Get("Id"))
  1289. parentID = utils.TruncateID(image.Get("ParentId"))
  1290. }
  1291. if parentID == "" {
  1292. fmt.Fprintf(cli.out, " base -> \"%s\" [style=invis]\n", imageID)
  1293. } else {
  1294. fmt.Fprintf(cli.out, " \"%s\" -> \"%s\"\n", parentID, imageID)
  1295. }
  1296. if image.GetList("RepoTags")[0] != "<none>:<none>" {
  1297. fmt.Fprintf(cli.out, " \"%s\" [label=\"%s\\n%s\",shape=box,fillcolor=\"paleturquoise\",style=\"filled,rounded\"];\n",
  1298. imageID, imageID, strings.Join(image.GetList("RepoTags"), "\\n"))
  1299. }
  1300. }
  1301. // FIXME: --viz and --tree are deprecated. Remove them in a future version.
  1302. func (cli *DockerCli) printTreeNode(noTrunc bool, image *engine.Env, prefix string) {
  1303. var imageID string
  1304. if noTrunc {
  1305. imageID = image.Get("Id")
  1306. } else {
  1307. imageID = utils.TruncateID(image.Get("Id"))
  1308. }
  1309. fmt.Fprintf(cli.out, "%s%s Virtual Size: %s", prefix, imageID, units.HumanSize(image.GetInt64("VirtualSize")))
  1310. if image.GetList("RepoTags")[0] != "<none>:<none>" {
  1311. fmt.Fprintf(cli.out, " Tags: %s\n", strings.Join(image.GetList("RepoTags"), ", "))
  1312. } else {
  1313. fmt.Fprint(cli.out, "\n")
  1314. }
  1315. }
  1316. func (cli *DockerCli) CmdPs(args ...string) error {
  1317. cmd := cli.Subcmd("ps", "[OPTIONS]", "List containers")
  1318. quiet := cmd.Bool([]string{"q", "-quiet"}, false, "Only display numeric IDs")
  1319. size := cmd.Bool([]string{"s", "-size"}, false, "Display sizes")
  1320. all := cmd.Bool([]string{"a", "-all"}, false, "Show all containers. Only running containers are shown by default.")
  1321. noTrunc := cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Don't truncate output")
  1322. nLatest := cmd.Bool([]string{"l", "-latest"}, false, "Show only the latest created container, include non-running ones.")
  1323. since := cmd.String([]string{"#sinceId", "#-since-id", "-since"}, "", "Show only containers created since Id or Name, include non-running ones.")
  1324. before := cmd.String([]string{"#beforeId", "#-before-id", "-before"}, "", "Show only container created before Id or Name, include non-running ones.")
  1325. last := cmd.Int([]string{"n"}, -1, "Show n last created containers, include non-running ones.")
  1326. var flFilter opts.ListOpts
  1327. cmd.Var(&flFilter, []string{"f", "-filter"}, "Provide filter values. Valid filters:\nexited=<int> - containers with exit code of <int>")
  1328. if err := cmd.Parse(args); err != nil {
  1329. return nil
  1330. }
  1331. v := url.Values{}
  1332. if *last == -1 && *nLatest {
  1333. *last = 1
  1334. }
  1335. if *all {
  1336. v.Set("all", "1")
  1337. }
  1338. if *last != -1 {
  1339. v.Set("limit", strconv.Itoa(*last))
  1340. }
  1341. if *since != "" {
  1342. v.Set("since", *since)
  1343. }
  1344. if *before != "" {
  1345. v.Set("before", *before)
  1346. }
  1347. if *size {
  1348. v.Set("size", "1")
  1349. }
  1350. // Consolidate all filter flags, and sanity check them.
  1351. // They'll get processed in the daemon/server.
  1352. psFilterArgs := filters.Args{}
  1353. for _, f := range flFilter.GetAll() {
  1354. var err error
  1355. psFilterArgs, err = filters.ParseFlag(f, psFilterArgs)
  1356. if err != nil {
  1357. return err
  1358. }
  1359. }
  1360. if len(psFilterArgs) > 0 {
  1361. filterJson, err := filters.ToParam(psFilterArgs)
  1362. if err != nil {
  1363. return err
  1364. }
  1365. v.Set("filters", filterJson)
  1366. }
  1367. body, _, err := readBody(cli.call("GET", "/containers/json?"+v.Encode(), nil, false))
  1368. if err != nil {
  1369. return err
  1370. }
  1371. outs := engine.NewTable("Created", 0)
  1372. if _, err := outs.ReadListFrom(body); err != nil {
  1373. return err
  1374. }
  1375. w := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0)
  1376. if !*quiet {
  1377. fmt.Fprint(w, "CONTAINER ID\tIMAGE\tCOMMAND\tCREATED\tSTATUS\tPORTS\tNAMES")
  1378. if *size {
  1379. fmt.Fprintln(w, "\tSIZE")
  1380. } else {
  1381. fmt.Fprint(w, "\n")
  1382. }
  1383. }
  1384. for _, out := range outs.Data {
  1385. var (
  1386. outID = out.Get("Id")
  1387. outNames = out.GetList("Names")
  1388. )
  1389. if !*noTrunc {
  1390. outID = utils.TruncateID(outID)
  1391. }
  1392. // Remove the leading / from the names
  1393. for i := 0; i < len(outNames); i++ {
  1394. outNames[i] = outNames[i][1:]
  1395. }
  1396. if !*quiet {
  1397. var (
  1398. outCommand = out.Get("Command")
  1399. ports = engine.NewTable("", 0)
  1400. )
  1401. outCommand = strconv.Quote(outCommand)
  1402. if !*noTrunc {
  1403. outCommand = utils.Trunc(outCommand, 20)
  1404. }
  1405. ports.ReadListFrom([]byte(out.Get("Ports")))
  1406. fmt.Fprintf(w, "%s\t%s\t%s\t%s ago\t%s\t%s\t%s\t", outID, out.Get("Image"), outCommand, units.HumanDuration(time.Now().UTC().Sub(time.Unix(out.GetInt64("Created"), 0))), out.Get("Status"), api.DisplayablePorts(ports), strings.Join(outNames, ","))
  1407. if *size {
  1408. if out.GetInt("SizeRootFs") > 0 {
  1409. fmt.Fprintf(w, "%s (virtual %s)\n", units.HumanSize(out.GetInt64("SizeRw")), units.HumanSize(out.GetInt64("SizeRootFs")))
  1410. } else {
  1411. fmt.Fprintf(w, "%s\n", units.HumanSize(out.GetInt64("SizeRw")))
  1412. }
  1413. } else {
  1414. fmt.Fprint(w, "\n")
  1415. }
  1416. } else {
  1417. fmt.Fprintln(w, outID)
  1418. }
  1419. }
  1420. if !*quiet {
  1421. w.Flush()
  1422. }
  1423. return nil
  1424. }
  1425. func (cli *DockerCli) CmdCommit(args ...string) error {
  1426. cmd := cli.Subcmd("commit", "[OPTIONS] CONTAINER [REPOSITORY[:TAG]]", "Create a new image from a container's changes")
  1427. flPause := cmd.Bool([]string{"p", "-pause"}, true, "Pause container during commit")
  1428. flComment := cmd.String([]string{"m", "-message"}, "", "Commit message")
  1429. flAuthor := cmd.String([]string{"a", "#author", "-author"}, "", "Author (e.g., \"John Hannibal Smith <hannibal@a-team.com>\")")
  1430. // FIXME: --run is deprecated, it will be replaced with inline Dockerfile commands.
  1431. flConfig := cmd.String([]string{"#run", "#-run"}, "", "This option is deprecated and will be removed in a future version in favor of inline Dockerfile-compatible commands")
  1432. if err := cmd.Parse(args); err != nil {
  1433. return nil
  1434. }
  1435. var (
  1436. name = cmd.Arg(0)
  1437. repository, tag = parsers.ParseRepositoryTag(cmd.Arg(1))
  1438. )
  1439. if name == "" || len(cmd.Args()) > 2 {
  1440. cmd.Usage()
  1441. return nil
  1442. }
  1443. //Check if the given image name can be resolved
  1444. if repository != "" {
  1445. if _, _, err := registry.ResolveRepositoryName(repository); err != nil {
  1446. return err
  1447. }
  1448. }
  1449. v := url.Values{}
  1450. v.Set("container", name)
  1451. v.Set("repo", repository)
  1452. v.Set("tag", tag)
  1453. v.Set("comment", *flComment)
  1454. v.Set("author", *flAuthor)
  1455. if *flPause != true {
  1456. v.Set("pause", "0")
  1457. }
  1458. var (
  1459. config *runconfig.Config
  1460. env engine.Env
  1461. )
  1462. if *flConfig != "" {
  1463. config = &runconfig.Config{}
  1464. if err := json.Unmarshal([]byte(*flConfig), config); err != nil {
  1465. return err
  1466. }
  1467. }
  1468. stream, _, err := cli.call("POST", "/commit?"+v.Encode(), config, false)
  1469. if err != nil {
  1470. return err
  1471. }
  1472. if err := env.Decode(stream); err != nil {
  1473. return err
  1474. }
  1475. fmt.Fprintf(cli.out, "%s\n", env.Get("Id"))
  1476. return nil
  1477. }
  1478. func (cli *DockerCli) CmdEvents(args ...string) error {
  1479. cmd := cli.Subcmd("events", "[OPTIONS]", "Get real time events from the server")
  1480. since := cmd.String([]string{"#since", "-since"}, "", "Show all events created since timestamp")
  1481. until := cmd.String([]string{"-until"}, "", "Stream events until this timestamp")
  1482. if err := cmd.Parse(args); err != nil {
  1483. return nil
  1484. }
  1485. if cmd.NArg() != 0 {
  1486. cmd.Usage()
  1487. return nil
  1488. }
  1489. var (
  1490. v = url.Values{}
  1491. loc = time.FixedZone(time.Now().Zone())
  1492. )
  1493. var setTime = func(key, value string) {
  1494. format := time.RFC3339Nano
  1495. if len(value) < len(format) {
  1496. format = format[:len(value)]
  1497. }
  1498. if t, err := time.ParseInLocation(format, value, loc); err == nil {
  1499. v.Set(key, strconv.FormatInt(t.Unix(), 10))
  1500. } else {
  1501. v.Set(key, value)
  1502. }
  1503. }
  1504. if *since != "" {
  1505. setTime("since", *since)
  1506. }
  1507. if *until != "" {
  1508. setTime("until", *until)
  1509. }
  1510. if err := cli.stream("GET", "/events?"+v.Encode(), nil, cli.out, nil); err != nil {
  1511. return err
  1512. }
  1513. return nil
  1514. }
  1515. func (cli *DockerCli) CmdExport(args ...string) error {
  1516. cmd := cli.Subcmd("export", "CONTAINER", "Export the contents of a filesystem as a tar archive to STDOUT")
  1517. if err := cmd.Parse(args); err != nil {
  1518. return nil
  1519. }
  1520. if cmd.NArg() != 1 {
  1521. cmd.Usage()
  1522. return nil
  1523. }
  1524. if err := cli.stream("GET", "/containers/"+cmd.Arg(0)+"/export", nil, cli.out, nil); err != nil {
  1525. return err
  1526. }
  1527. return nil
  1528. }
  1529. func (cli *DockerCli) CmdDiff(args ...string) error {
  1530. cmd := cli.Subcmd("diff", "CONTAINER", "Inspect changes on a container's filesystem")
  1531. if err := cmd.Parse(args); err != nil {
  1532. return nil
  1533. }
  1534. if cmd.NArg() != 1 {
  1535. cmd.Usage()
  1536. return nil
  1537. }
  1538. body, _, err := readBody(cli.call("GET", "/containers/"+cmd.Arg(0)+"/changes", nil, false))
  1539. if err != nil {
  1540. return err
  1541. }
  1542. outs := engine.NewTable("", 0)
  1543. if _, err := outs.ReadListFrom(body); err != nil {
  1544. return err
  1545. }
  1546. for _, change := range outs.Data {
  1547. var kind string
  1548. switch change.GetInt("Kind") {
  1549. case archive.ChangeModify:
  1550. kind = "C"
  1551. case archive.ChangeAdd:
  1552. kind = "A"
  1553. case archive.ChangeDelete:
  1554. kind = "D"
  1555. }
  1556. fmt.Fprintf(cli.out, "%s %s\n", kind, change.Get("Path"))
  1557. }
  1558. return nil
  1559. }
  1560. func (cli *DockerCli) CmdLogs(args ...string) error {
  1561. var (
  1562. cmd = cli.Subcmd("logs", "CONTAINER", "Fetch the logs of a container")
  1563. follow = cmd.Bool([]string{"f", "-follow"}, false, "Follow log output")
  1564. times = cmd.Bool([]string{"t", "-timestamps"}, false, "Show timestamps")
  1565. tail = cmd.String([]string{"-tail"}, "all", "Output the specified number of lines at the end of logs (defaults to all logs)")
  1566. )
  1567. if err := cmd.Parse(args); err != nil {
  1568. return nil
  1569. }
  1570. if cmd.NArg() != 1 {
  1571. cmd.Usage()
  1572. return nil
  1573. }
  1574. name := cmd.Arg(0)
  1575. steam, _, err := cli.call("GET", "/containers/"+name+"/json", nil, false)
  1576. if err != nil {
  1577. return err
  1578. }
  1579. env := engine.Env{}
  1580. if err := env.Decode(steam); err != nil {
  1581. return err
  1582. }
  1583. v := url.Values{}
  1584. v.Set("stdout", "1")
  1585. v.Set("stderr", "1")
  1586. if *times {
  1587. v.Set("timestamps", "1")
  1588. }
  1589. if *follow {
  1590. v.Set("follow", "1")
  1591. }
  1592. v.Set("tail", *tail)
  1593. return cli.streamHelper("GET", "/containers/"+name+"/logs?"+v.Encode(), env.GetSubEnv("Config").GetBool("Tty"), nil, cli.out, cli.err, nil)
  1594. }
  1595. func (cli *DockerCli) CmdAttach(args ...string) error {
  1596. var (
  1597. cmd = cli.Subcmd("attach", "[OPTIONS] CONTAINER", "Attach to a running container")
  1598. noStdin = cmd.Bool([]string{"#nostdin", "-no-stdin"}, false, "Do not attach STDIN")
  1599. proxy = cmd.Bool([]string{"#sig-proxy", "-sig-proxy"}, true, "Proxy all received signals to the process (even in non-TTY mode). SIGCHLD, SIGKILL, and SIGSTOP are not proxied.")
  1600. )
  1601. if err := cmd.Parse(args); err != nil {
  1602. return nil
  1603. }
  1604. if cmd.NArg() != 1 {
  1605. cmd.Usage()
  1606. return nil
  1607. }
  1608. name := cmd.Arg(0)
  1609. stream, _, err := cli.call("GET", "/containers/"+name+"/json", nil, false)
  1610. if err != nil {
  1611. return err
  1612. }
  1613. env := engine.Env{}
  1614. if err := env.Decode(stream); err != nil {
  1615. return err
  1616. }
  1617. if !env.GetSubEnv("State").GetBool("Running") {
  1618. return fmt.Errorf("You cannot attach to a stopped container, start it first")
  1619. }
  1620. var (
  1621. config = env.GetSubEnv("Config")
  1622. tty = config.GetBool("Tty")
  1623. )
  1624. if tty && cli.isTerminal {
  1625. if err := cli.monitorTtySize(cmd.Arg(0)); err != nil {
  1626. utils.Debugf("Error monitoring TTY size: %s", err)
  1627. }
  1628. }
  1629. var in io.ReadCloser
  1630. v := url.Values{}
  1631. v.Set("stream", "1")
  1632. if !*noStdin && config.GetBool("OpenStdin") {
  1633. v.Set("stdin", "1")
  1634. in = cli.in
  1635. }
  1636. v.Set("stdout", "1")
  1637. v.Set("stderr", "1")
  1638. if *proxy && !tty {
  1639. sigc := cli.forwardAllSignals(cmd.Arg(0))
  1640. defer signal.StopCatch(sigc)
  1641. }
  1642. if err := cli.hijack("POST", "/containers/"+cmd.Arg(0)+"/attach?"+v.Encode(), tty, in, cli.out, cli.err, nil); err != nil {
  1643. return err
  1644. }
  1645. _, status, err := getExitCode(cli, cmd.Arg(0))
  1646. if err != nil {
  1647. return err
  1648. }
  1649. if status != 0 {
  1650. return &utils.StatusError{StatusCode: status}
  1651. }
  1652. return nil
  1653. }
  1654. func (cli *DockerCli) CmdSearch(args ...string) error {
  1655. cmd := cli.Subcmd("search", "TERM", "Search the Docker Hub for images")
  1656. noTrunc := cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Don't truncate output")
  1657. trusted := cmd.Bool([]string{"#t", "#trusted", "#-trusted"}, false, "Only show trusted builds")
  1658. automated := cmd.Bool([]string{"-automated"}, false, "Only show automated builds")
  1659. stars := cmd.Int([]string{"s", "#stars", "-stars"}, 0, "Only displays with at least x stars")
  1660. if err := cmd.Parse(args); err != nil {
  1661. return nil
  1662. }
  1663. if cmd.NArg() != 1 {
  1664. cmd.Usage()
  1665. return nil
  1666. }
  1667. v := url.Values{}
  1668. v.Set("term", cmd.Arg(0))
  1669. body, _, err := readBody(cli.call("GET", "/images/search?"+v.Encode(), nil, true))
  1670. if err != nil {
  1671. return err
  1672. }
  1673. outs := engine.NewTable("star_count", 0)
  1674. if _, err := outs.ReadListFrom(body); err != nil {
  1675. return err
  1676. }
  1677. w := tabwriter.NewWriter(cli.out, 10, 1, 3, ' ', 0)
  1678. fmt.Fprintf(w, "NAME\tDESCRIPTION\tSTARS\tOFFICIAL\tAUTOMATED\n")
  1679. for _, out := range outs.Data {
  1680. if ((*automated || *trusted) && (!out.GetBool("is_trusted") && !out.GetBool("is_automated"))) || (*stars > out.GetInt("star_count")) {
  1681. continue
  1682. }
  1683. desc := strings.Replace(out.Get("description"), "\n", " ", -1)
  1684. desc = strings.Replace(desc, "\r", " ", -1)
  1685. if !*noTrunc && len(desc) > 45 {
  1686. desc = utils.Trunc(desc, 42) + "..."
  1687. }
  1688. fmt.Fprintf(w, "%s\t%s\t%d\t", out.Get("name"), desc, out.GetInt("star_count"))
  1689. if out.GetBool("is_official") {
  1690. fmt.Fprint(w, "[OK]")
  1691. }
  1692. fmt.Fprint(w, "\t")
  1693. if out.GetBool("is_automated") || out.GetBool("is_trusted") {
  1694. fmt.Fprint(w, "[OK]")
  1695. }
  1696. fmt.Fprint(w, "\n")
  1697. }
  1698. w.Flush()
  1699. return nil
  1700. }
  1701. // Ports type - Used to parse multiple -p flags
  1702. type ports []int
  1703. func (cli *DockerCli) CmdTag(args ...string) error {
  1704. cmd := cli.Subcmd("tag", "[OPTIONS] IMAGE[:TAG] [REGISTRYHOST/][USERNAME/]NAME[:TAG]", "Tag an image into a repository")
  1705. force := cmd.Bool([]string{"f", "#force", "-force"}, false, "Force")
  1706. if err := cmd.Parse(args); err != nil {
  1707. return nil
  1708. }
  1709. if cmd.NArg() != 2 {
  1710. cmd.Usage()
  1711. return nil
  1712. }
  1713. var (
  1714. repository, tag = parsers.ParseRepositoryTag(cmd.Arg(1))
  1715. v = url.Values{}
  1716. )
  1717. //Check if the given image name can be resolved
  1718. if _, _, err := registry.ResolveRepositoryName(repository); err != nil {
  1719. return err
  1720. }
  1721. v.Set("repo", repository)
  1722. v.Set("tag", tag)
  1723. if *force {
  1724. v.Set("force", "1")
  1725. }
  1726. if _, _, err := readBody(cli.call("POST", "/images/"+cmd.Arg(0)+"/tag?"+v.Encode(), nil, false)); err != nil {
  1727. return err
  1728. }
  1729. return nil
  1730. }
  1731. func (cli *DockerCli) pullImage(image string) error {
  1732. v := url.Values{}
  1733. repos, tag := parsers.ParseRepositoryTag(image)
  1734. // pull only the image tagged 'latest' if no tag was specified
  1735. if tag == "" {
  1736. tag = "latest"
  1737. }
  1738. v.Set("fromImage", repos)
  1739. v.Set("tag", tag)
  1740. // Resolve the Repository name from fqn to hostname + name
  1741. hostname, _, err := registry.ResolveRepositoryName(repos)
  1742. if err != nil {
  1743. return err
  1744. }
  1745. // Load the auth config file, to be able to pull the image
  1746. cli.LoadConfigFile()
  1747. // Resolve the Auth config relevant for this server
  1748. authConfig := cli.configFile.ResolveAuthConfig(hostname)
  1749. buf, err := json.Marshal(authConfig)
  1750. if err != nil {
  1751. return err
  1752. }
  1753. registryAuthHeader := []string{
  1754. base64.URLEncoding.EncodeToString(buf),
  1755. }
  1756. if err = cli.stream("POST", "/images/create?"+v.Encode(), nil, cli.err, map[string][]string{"X-Registry-Auth": registryAuthHeader}); err != nil {
  1757. return err
  1758. }
  1759. return nil
  1760. }
  1761. func (cli *DockerCli) CmdRun(args ...string) error {
  1762. // FIXME: just use runconfig.Parse already
  1763. config, hostConfig, cmd, err := runconfig.ParseSubcommand(cli.Subcmd("run", "[OPTIONS] IMAGE [COMMAND] [ARG...]", "Run a command in a new container"), args, nil)
  1764. if err != nil {
  1765. return err
  1766. }
  1767. if config.Image == "" {
  1768. cmd.Usage()
  1769. return nil
  1770. }
  1771. // Retrieve relevant client-side config
  1772. var (
  1773. flName = cmd.Lookup("name")
  1774. flRm = cmd.Lookup("rm")
  1775. flSigProxy = cmd.Lookup("sig-proxy")
  1776. autoRemove, _ = strconv.ParseBool(flRm.Value.String())
  1777. sigProxy, _ = strconv.ParseBool(flSigProxy.Value.String())
  1778. )
  1779. // Disable sigProxy in case on TTY
  1780. if config.Tty {
  1781. sigProxy = false
  1782. }
  1783. var containerIDFile io.WriteCloser
  1784. if len(hostConfig.ContainerIDFile) > 0 {
  1785. if _, err := os.Stat(hostConfig.ContainerIDFile); err == nil {
  1786. return fmt.Errorf("Container ID file found, make sure the other container isn't running or delete %s", hostConfig.ContainerIDFile)
  1787. }
  1788. if containerIDFile, err = os.Create(hostConfig.ContainerIDFile); err != nil {
  1789. return fmt.Errorf("Failed to create the container ID file: %s", err)
  1790. }
  1791. defer func() {
  1792. containerIDFile.Close()
  1793. var (
  1794. cidFileInfo os.FileInfo
  1795. err error
  1796. )
  1797. if cidFileInfo, err = os.Stat(hostConfig.ContainerIDFile); err != nil {
  1798. return
  1799. }
  1800. if cidFileInfo.Size() == 0 {
  1801. if err := os.Remove(hostConfig.ContainerIDFile); err != nil {
  1802. fmt.Printf("failed to remove Container ID file '%s': %s \n", hostConfig.ContainerIDFile, err)
  1803. }
  1804. }
  1805. }()
  1806. }
  1807. containerValues := url.Values{}
  1808. if name := flName.Value.String(); name != "" {
  1809. containerValues.Set("name", name)
  1810. }
  1811. //create the container
  1812. stream, statusCode, err := cli.call("POST", "/containers/create?"+containerValues.Encode(), config, false)
  1813. //if image not found try to pull it
  1814. if statusCode == 404 {
  1815. fmt.Fprintf(cli.err, "Unable to find image '%s' locally\n", config.Image)
  1816. if err = cli.pullImage(config.Image); err != nil {
  1817. return err
  1818. }
  1819. // Retry
  1820. if stream, _, err = cli.call("POST", "/containers/create?"+containerValues.Encode(), config, false); err != nil {
  1821. return err
  1822. }
  1823. } else if err != nil {
  1824. return err
  1825. }
  1826. var runResult engine.Env
  1827. if err := runResult.Decode(stream); err != nil {
  1828. return err
  1829. }
  1830. for _, warning := range runResult.GetList("Warnings") {
  1831. fmt.Fprintf(cli.err, "WARNING: %s\n", warning)
  1832. }
  1833. if len(hostConfig.ContainerIDFile) > 0 {
  1834. if _, err = containerIDFile.Write([]byte(runResult.Get("Id"))); err != nil {
  1835. return fmt.Errorf("Failed to write the container ID to the file: %s", err)
  1836. }
  1837. }
  1838. if sigProxy {
  1839. sigc := cli.forwardAllSignals(runResult.Get("Id"))
  1840. defer signal.StopCatch(sigc)
  1841. }
  1842. var (
  1843. waitDisplayId chan struct{}
  1844. errCh chan error
  1845. )
  1846. if !config.AttachStdout && !config.AttachStderr {
  1847. // Make this asynchrone in order to let the client write to stdin before having to read the ID
  1848. waitDisplayId = make(chan struct{})
  1849. go func() {
  1850. defer close(waitDisplayId)
  1851. fmt.Fprintf(cli.out, "%s\n", runResult.Get("Id"))
  1852. }()
  1853. }
  1854. // We need to instanciate the chan because the select needs it. It can
  1855. // be closed but can't be uninitialized.
  1856. hijacked := make(chan io.Closer)
  1857. // Block the return until the chan gets closed
  1858. defer func() {
  1859. utils.Debugf("End of CmdRun(), Waiting for hijack to finish.")
  1860. if _, ok := <-hijacked; ok {
  1861. utils.Errorf("Hijack did not finish (chan still open)")
  1862. }
  1863. }()
  1864. if config.AttachStdin || config.AttachStdout || config.AttachStderr {
  1865. var (
  1866. out, stderr io.Writer
  1867. in io.ReadCloser
  1868. v = url.Values{}
  1869. )
  1870. v.Set("stream", "1")
  1871. if config.AttachStdin {
  1872. v.Set("stdin", "1")
  1873. in = cli.in
  1874. }
  1875. if config.AttachStdout {
  1876. v.Set("stdout", "1")
  1877. out = cli.out
  1878. }
  1879. if config.AttachStderr {
  1880. v.Set("stderr", "1")
  1881. if config.Tty {
  1882. stderr = cli.out
  1883. } else {
  1884. stderr = cli.err
  1885. }
  1886. }
  1887. errCh = utils.Go(func() error {
  1888. return cli.hijack("POST", "/containers/"+runResult.Get("Id")+"/attach?"+v.Encode(), config.Tty, in, out, stderr, hijacked)
  1889. })
  1890. } else {
  1891. close(hijacked)
  1892. }
  1893. // Acknowledge the hijack before starting
  1894. select {
  1895. case closer := <-hijacked:
  1896. // Make sure that hijack gets closed when returning. (result
  1897. // in closing hijack chan and freeing server's goroutines.
  1898. if closer != nil {
  1899. defer closer.Close()
  1900. }
  1901. case err := <-errCh:
  1902. if err != nil {
  1903. utils.Debugf("Error hijack: %s", err)
  1904. return err
  1905. }
  1906. }
  1907. //start the container
  1908. if _, _, err = readBody(cli.call("POST", "/containers/"+runResult.Get("Id")+"/start", hostConfig, false)); err != nil {
  1909. return err
  1910. }
  1911. if (config.AttachStdin || config.AttachStdout || config.AttachStderr) && config.Tty && cli.isTerminal {
  1912. if err := cli.monitorTtySize(runResult.Get("Id")); err != nil {
  1913. utils.Errorf("Error monitoring TTY size: %s\n", err)
  1914. }
  1915. }
  1916. if errCh != nil {
  1917. if err := <-errCh; err != nil {
  1918. utils.Debugf("Error hijack: %s", err)
  1919. return err
  1920. }
  1921. }
  1922. // Detached mode: wait for the id to be displayed and return.
  1923. if !config.AttachStdout && !config.AttachStderr {
  1924. // Detached mode
  1925. <-waitDisplayId
  1926. return nil
  1927. }
  1928. var status int
  1929. // Attached mode
  1930. if autoRemove {
  1931. // Autoremove: wait for the container to finish, retrieve
  1932. // the exit code and remove the container
  1933. if _, _, err := readBody(cli.call("POST", "/containers/"+runResult.Get("Id")+"/wait", nil, false)); err != nil {
  1934. return err
  1935. }
  1936. if _, status, err = getExitCode(cli, runResult.Get("Id")); err != nil {
  1937. return err
  1938. }
  1939. if _, _, err := readBody(cli.call("DELETE", "/containers/"+runResult.Get("Id")+"?v=1", nil, false)); err != nil {
  1940. return err
  1941. }
  1942. } else {
  1943. if !config.Tty {
  1944. // In non-tty mode, we can't dettach, so we know we need to wait.
  1945. if status, err = waitForExit(cli, runResult.Get("Id")); err != nil {
  1946. return err
  1947. }
  1948. } else {
  1949. // In TTY mode, there is a race. If the process dies too slowly, the state can be update after the getExitCode call
  1950. // and result in a wrong exit code.
  1951. // No Autoremove: Simply retrieve the exit code
  1952. if _, status, err = getExitCode(cli, runResult.Get("Id")); err != nil {
  1953. return err
  1954. }
  1955. }
  1956. }
  1957. if status != 0 {
  1958. return &utils.StatusError{StatusCode: status}
  1959. }
  1960. return nil
  1961. }
  1962. func (cli *DockerCli) CmdCp(args ...string) error {
  1963. cmd := cli.Subcmd("cp", "CONTAINER:PATH HOSTPATH", "Copy files/folders from the PATH to the HOSTPATH")
  1964. if err := cmd.Parse(args); err != nil {
  1965. return nil
  1966. }
  1967. if cmd.NArg() != 2 {
  1968. cmd.Usage()
  1969. return nil
  1970. }
  1971. var copyData engine.Env
  1972. info := strings.Split(cmd.Arg(0), ":")
  1973. if len(info) != 2 {
  1974. return fmt.Errorf("Error: Path not specified")
  1975. }
  1976. copyData.Set("Resource", info[1])
  1977. copyData.Set("HostPath", cmd.Arg(1))
  1978. stream, statusCode, err := cli.call("POST", "/containers/"+info[0]+"/copy", copyData, false)
  1979. if stream != nil {
  1980. defer stream.Close()
  1981. }
  1982. if statusCode == 404 {
  1983. return fmt.Errorf("No such container: %v", info[0])
  1984. }
  1985. if err != nil {
  1986. return err
  1987. }
  1988. if statusCode == 200 {
  1989. if err := archive.Untar(stream, copyData.Get("HostPath"), &archive.TarOptions{NoLchown: true}); err != nil {
  1990. return err
  1991. }
  1992. }
  1993. return nil
  1994. }
  1995. func (cli *DockerCli) CmdSave(args ...string) error {
  1996. cmd := cli.Subcmd("save", "IMAGE", "Save an image to a tar archive (streamed to STDOUT by default)")
  1997. outfile := cmd.String([]string{"o", "-output"}, "", "Write to an file, instead of STDOUT")
  1998. if err := cmd.Parse(args); err != nil {
  1999. return err
  2000. }
  2001. if cmd.NArg() != 1 {
  2002. cmd.Usage()
  2003. return nil
  2004. }
  2005. var (
  2006. output io.Writer = cli.out
  2007. err error
  2008. )
  2009. if *outfile != "" {
  2010. output, err = os.Create(*outfile)
  2011. if err != nil {
  2012. return err
  2013. }
  2014. }
  2015. image := cmd.Arg(0)
  2016. if err := cli.stream("GET", "/images/"+image+"/get", nil, output, nil); err != nil {
  2017. return err
  2018. }
  2019. return nil
  2020. }
  2021. func (cli *DockerCli) CmdLoad(args ...string) error {
  2022. cmd := cli.Subcmd("load", "", "Load an image from a tar archive on STDIN")
  2023. infile := cmd.String([]string{"i", "-input"}, "", "Read from a tar archive file, instead of STDIN")
  2024. if err := cmd.Parse(args); err != nil {
  2025. return err
  2026. }
  2027. if cmd.NArg() != 0 {
  2028. cmd.Usage()
  2029. return nil
  2030. }
  2031. var (
  2032. input io.Reader = cli.in
  2033. err error
  2034. )
  2035. if *infile != "" {
  2036. input, err = os.Open(*infile)
  2037. if err != nil {
  2038. return err
  2039. }
  2040. }
  2041. if err := cli.stream("POST", "/images/load", input, cli.out, nil); err != nil {
  2042. return err
  2043. }
  2044. return nil
  2045. }