// createFile creates a file in Google Cloud Storage. func (d *demo) createFile(fileName string) { fmt.Fprintf(d.w, "Creating file /%v/%v\n", bucket, fileName) wc := storage.NewWriter(d.ctx, bucket, fileName) wc.ContentType = "text/plain" wc.Metadata = map[string]string{ "x-goog-meta-foo": "foo", "x-goog-meta-bar": "bar", } d.cleanUp = append(d.cleanUp, fileName) if _, err := wc.Write([]byte("abcde\n")); err != nil { d.errorf("createFile: unable to write data to bucket %q, file %q: %v", bucket, fileName, err) return } if _, err := wc.Write([]byte(strings.Repeat("f", 1024*4) + "\n")); err != nil { d.errorf("createFile: unable to write data to bucket %q, file %q: %v", bucket, fileName, err) return } if err := wc.Close(); err != nil { d.errorf("createFile: unable to close bucket %q, file %q: %v", bucket, fileName, err) return } }
func uploadDockerImage() { proj := "camlistore-website" bucket := "camlistore-release" versionedTarball := "docker/camlistored-" + *rev + ".tar.gz" tarball := "docker/camlistored.tar.gz" log.Printf("Uploading %s/%s ...", bucket, versionedTarball) ts, err := tokenSource(bucket) if err != nil { log.Fatal(err) } httpClient := oauth2.NewClient(oauth2.NoContext, ts) ctx := cloud.NewContext(proj, httpClient) w := storage.NewWriter(ctx, bucket, versionedTarball) // If you don't give the owners access, the web UI seems to // have a bug and doesn't have access to see that it's public, so // won't render the "Shared Publicly" link. So we do that, even // though it's dumb and unnecessary otherwise: acl := append(w.ACL, storage.ACLRule{Entity: storage.ACLEntity("project-owners-" + proj), Role: storage.RoleOwner}) acl = append(acl, storage.ACLRule{Entity: storage.AllUsers, Role: storage.RoleReader}) w.ACL = acl w.CacheControl = "no-cache" // TODO: remove for non-tip releases? set expirations? w.ContentType = "application/x-gtar" dockerSave := exec.Command("docker", "save", "camlistore/server") dockerSave.Stderr = os.Stderr tar, err := dockerSave.StdoutPipe() if err != nil { log.Fatal(err) } targz, pw := io.Pipe() go func() { zw := gzip.NewWriter(pw) n, err := io.Copy(zw, tar) if err != nil { log.Fatalf("Error copying to gzip writer: after %d bytes, %v", n, err) } if err := zw.Close(); err != nil { log.Fatalf("gzip.Close: %v", err) } pw.CloseWithError(err) }() if err := dockerSave.Start(); err != nil { log.Fatalf("Error starting docker save camlistore/server: %v", err) } if _, err := io.Copy(w, targz); err != nil { log.Fatalf("io.Copy: %v", err) } if err := w.Close(); err != nil { log.Fatalf("closing GCS storage writer: %v", err) } if err := dockerSave.Wait(); err != nil { log.Fatalf("Error waiting for docker save camlistore/server: %v", err) } log.Printf("Uploaded tarball to %s", versionedTarball) log.Printf("Copying tarball to %s/%s ...", bucket, tarball) // TODO(mpl): 2015-05-12: update google.golang.org/cloud/storage so we // can specify the dest name in CopyObject, and we get the ACLs from the // src for free too I think. if _, err := storage.CopyObject(ctx, bucket, versionedTarball, bucket, storage.ObjectAttrs{ Name: tarball, ACL: acl, ContentType: "application/x-gtar", }); err != nil { log.Fatalf("Error uploading %v: %v", tarball, err) } log.Printf("Uploaded tarball to %s", tarball) }