diff options
Diffstat (limited to 'pkg/api/handlers/images_build.go')
| -rw-r--r-- | pkg/api/handlers/images_build.go | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/pkg/api/handlers/images_build.go b/pkg/api/handlers/images_build.go new file mode 100644 index 000000000..0ea480315 --- /dev/null +++ b/pkg/api/handlers/images_build.go @@ -0,0 +1,239 @@ +package handlers + +import ( + "encoding/base64" + "encoding/json" + "fmt" + "io" + "io/ioutil" + "net/http" + "os" + "path/filepath" + "strings" + + "github.com/containers/buildah" + "github.com/containers/buildah/imagebuildah" + "github.com/containers/libpod/pkg/api/handlers/utils" + "github.com/containers/storage/pkg/archive" + log "github.com/sirupsen/logrus" +) + +func BuildImage(w http.ResponseWriter, r *http.Request) { + // contentType := r.Header.Get("Content-Type") + // if contentType != "application/x-tar" { + // Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest, errors.New("/build expects Content-Type of 'application/x-tar'")) + // return + // } + + authConfigs := map[string]AuthConfig{} + if hasHeader(r, "X-Registry-Config") { + registryHeader := getHeader(r, "X-Registry-Config") + authConfigsJSON := base64.NewDecoder(base64.URLEncoding, strings.NewReader(registryHeader)) + if json.NewDecoder(authConfigsJSON).Decode(&authConfigs) != nil { + utils.BadRequest(w, "X-Registry-Config", registryHeader, json.NewDecoder(authConfigsJSON).Decode(&authConfigs)) + return + } + } + + anchorDir, err := extractTarFile(r, w) + if err != nil { + utils.InternalServerError(w, err) + return + } + // defer os.RemoveAll(anchorDir) + + query := struct { + Dockerfile string `json:"dockerfile"` + Tag string `json:"t"` + ExtraHosts string `json:"extrahosts"` + Remote string `json:"remote"` + Quiet bool `json:"q"` + NoCache bool `json:"nocache"` + CacheFrom string `json:"cachefrom"` + Pull string `json:"pull"` + Rm bool `json:"rm"` + ForceRm bool `json:"forcerm"` + Memory int `json:"memory"` + MemSwap int `json:"memswap"` + CpuShares int `json:"cpushares"` + CpuSetCpus string `json:"cpusetcpus"` + CpuPeriod int `json:"cpuperiod"` + CpuQuota int `json:"cpuquota"` + BuildArgs string `json:"buildargs"` + ShmSize int `json:"shmsize"` + Squash bool `json:"squash"` + Labels string `json:"labels"` + NetworkMode string `json:"networkmode"` + Platform string `json:"platform"` + Target string `json:"target"` + Outputs string `json:"outputs"` + }{ + Dockerfile: "Dockerfile", + Tag: "", + ExtraHosts: "", + Remote: "", + Quiet: false, + NoCache: false, + CacheFrom: "", + Pull: "", + Rm: true, + ForceRm: false, + Memory: 0, + MemSwap: 0, + CpuShares: 0, + CpuSetCpus: "", + CpuPeriod: 0, + CpuQuota: 0, + BuildArgs: "", + ShmSize: 64 * 1024 * 1024, + Squash: false, + Labels: "", + NetworkMode: "", + Platform: "", + Target: "", + Outputs: "", + } + + if err := decodeQuery(r, &query); err != nil { + utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest, err) + return + } + + // Tag is the name with optional tag... + var name = query.Tag + var tag string + if strings.Contains(query.Tag, ":") { + tokens := strings.SplitN(query.Tag, ":", 2) + name = tokens[0] + tag = tokens[1] + } + + var buildArgs = map[string]string{} + if found := hasVar(r, "buildargs"); found { + if err := json.Unmarshal([]byte(query.BuildArgs), &buildArgs); err != nil { + utils.BadRequest(w, "buildargs", query.BuildArgs, err) + return + } + } + + // convert label formats + var labels = []string{} + if hasVar(r, "labels") { + var m = map[string]string{} + if err := json.Unmarshal([]byte(query.Labels), &m); err != nil { + utils.BadRequest(w, "labels", query.Labels, err) + return + } + + for k, v := range m { + labels = append(labels, fmt.Sprintf("%s=%v", k, v)) + } + } + + buildOptions := imagebuildah.BuildOptions{ + ContextDirectory: filepath.Join(anchorDir, "build"), + PullPolicy: 0, + Registry: "", + IgnoreUnrecognizedInstructions: false, + Quiet: query.Quiet, + Isolation: 0, + Runtime: "", + RuntimeArgs: nil, + TransientMounts: nil, + Compression: 0, + Args: buildArgs, + Output: name, + AdditionalTags: []string{tag}, + Log: nil, + In: nil, + Out: nil, + Err: nil, + SignaturePolicyPath: "", + ReportWriter: nil, + OutputFormat: "", + SystemContext: nil, + NamespaceOptions: nil, + ConfigureNetwork: 0, + CNIPluginPath: "", + CNIConfigDir: "", + IDMappingOptions: nil, + AddCapabilities: nil, + DropCapabilities: nil, + CommonBuildOpts: &buildah.CommonBuildOptions{}, + DefaultMountsFilePath: "", + IIDFile: "", + Squash: query.Squash, + Labels: labels, + Annotations: nil, + OnBuild: nil, + Layers: false, + NoCache: query.NoCache, + RemoveIntermediateCtrs: query.Rm, + ForceRmIntermediateCtrs: query.ForceRm, + BlobDirectory: "", + Target: query.Target, + Devices: nil, + } + + id, _, err := getRuntime(r).Build(r.Context(), buildOptions, query.Dockerfile) + if err != nil { + utils.InternalServerError(w, err) + } + + // Find image ID that was built... + utils.WriteResponse(w, http.StatusOK, + struct { + Stream string `json:"stream"` + }{ + Stream: fmt.Sprintf("Successfully built %s\n", id), + }) +} + +func extractTarFile(r *http.Request, w http.ResponseWriter) (string, error) { + var ( + // length int64 + // n int64 + copyErr error + ) + + // build a home for the request body + anchorDir, err := ioutil.TempDir("", "libpod_builder") + if err != nil { + return "", err + } + buildDir := filepath.Join(anchorDir, "build") + + path := filepath.Join(anchorDir, "tarBall") + tarBall, err := os.OpenFile(path, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0666) + if err != nil { + return "", err + } + defer tarBall.Close() + + // if hasHeader(r, "Content-Length") { + // length, err := strconv.ParseInt(getHeader(r, "Content-Length"), 10, 64) + // if err != nil { + // return "", errors.New(fmt.Sprintf("Failed request: unable to parse Content-Length of '%s'", getHeader(r, "Content-Length"))) + // } + // n, copyErr = io.CopyN(tarBall, r.Body, length+1) + // } else { + _, copyErr = io.Copy(tarBall, r.Body) + // } + r.Body.Close() + + if copyErr != nil { + utils.InternalServerError(w, + fmt.Errorf("failed Request: Unable to copy tar file from request body %s", r.RequestURI)) + } + log.Debugf("Content-Length: %s", getVar(r, "Content-Length")) + + // if hasHeader(r, "Content-Length") && n != length { + // return "", errors.New(fmt.Sprintf("Failed request: Given Content-Length does not match file size %d != %d", n, length)) + // } + + _, _ = tarBall.Seek(0, 0) + if err := archive.Untar(tarBall, buildDir, &archive.TarOptions{}); err != nil { + return "", err + } + return anchorDir, nil +} |