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Merge pull request #283 from cdnjs/sven/r2-pump-bin
move r2-pump from GCP function to binary
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,201 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "context" | ||
| b64 "encoding/base64" | ||
| "encoding/json" | ||
| "fmt" | ||
| "io" | ||
| "io/ioutil" | ||
| "log" | ||
| "net/http" | ||
| "os" | ||
| "runtime" | ||
| "time" | ||
|
|
||
| "github.com/pkg/errors" | ||
|
|
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| "github.com/cdnjs/tools/audit" | ||
| "github.com/cdnjs/tools/gcp" | ||
| "github.com/cdnjs/tools/metrics" | ||
| "github.com/cdnjs/tools/packages" | ||
| "github.com/cdnjs/tools/sentry" | ||
|
|
||
| "github.com/aws/aws-sdk-go-v2/aws" | ||
| "github.com/aws/aws-sdk-go-v2/config" | ||
| "github.com/aws/aws-sdk-go-v2/credentials" | ||
| "github.com/aws/aws-sdk-go-v2/service/s3" | ||
|
|
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| "cloud.google.com/go/pubsub" | ||
| ) | ||
|
|
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| var ( | ||
| PROJECT = os.Getenv("PROJECT") | ||
| SUBSCRIPTION = os.Getenv("SUBSCRIPTION") | ||
|
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| R2_BUCKET = os.Getenv("R2_BUCKET") | ||
| R2_KEY_ID = os.Getenv("R2_KEY_ID") | ||
| R2_KEY_SECRET = os.Getenv("R2_KEY_SECRET") | ||
| R2_ENDPOINT = os.Getenv("R2_ENDPOINT") | ||
| ) | ||
|
|
||
| func init() { | ||
| sentry.Init() | ||
| } | ||
|
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||
| func main() { | ||
| ctx := context.Background() | ||
| client, err := pubsub.NewClient(ctx, PROJECT) | ||
| if err != nil { | ||
| log.Fatalf("could not create pubsub Client: %v", err) | ||
| } | ||
| sub := client.Subscription(SUBSCRIPTION) | ||
| sub.ReceiveSettings.Synchronous = true | ||
| sub.ReceiveSettings.MaxOutstandingMessages = 5 | ||
| sub.ReceiveSettings.NumGoroutines = runtime.NumCPU() | ||
|
|
||
| for { | ||
| log.Printf("started consuming messages\n") | ||
| if err := consume(ctx, client, sub); err != nil { | ||
| log.Fatalf("could not pull messages: %s", err) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| type Message struct { | ||
| GCSEvent gcp.GCSEvent `json:"gcsEvent"` | ||
| } | ||
|
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| func consume(ctx context.Context, client *pubsub.Client, sub *pubsub.Subscription) error { | ||
| err := sub.Receive(ctx, func(ctx context.Context, msg *pubsub.Message) { | ||
| log.Printf("received message: %s\n", msg.Data) | ||
|
|
||
| msg.Ack() | ||
| if err := processMessage(ctx, msg.Data); err != nil { | ||
| log.Printf("failed to process message: %s\n", err) | ||
| } | ||
| }) | ||
| if err != nil { | ||
| return errors.Wrap(err, "could not receive from subscription") | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func processMessage(ctx context.Context, data []byte) error { | ||
| var message Message | ||
| if err := json.Unmarshal(data, &message); err != nil { | ||
| return errors.Wrap(err, "failed to parse") | ||
| } | ||
|
|
||
| return invoke(ctx, message.GCSEvent) | ||
| } | ||
|
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| func invoke(ctx context.Context, e gcp.GCSEvent) error { | ||
| sentry.Init() | ||
| defer sentry.PanicHandler() | ||
|
|
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| pkgName := e.Metadata["package"].(string) | ||
| version := e.Metadata["version"].(string) | ||
| log.Printf("Invoke %s %s\n", pkgName, version) | ||
|
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||
| configStr, err := b64.StdEncoding.DecodeString(e.Metadata["config"].(string)) | ||
| if err != nil { | ||
| return fmt.Errorf("could not decode config: %v", err) | ||
| } | ||
|
|
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| archive, err := gcp.ReadObject(ctx, e.Bucket, e.Name) | ||
| if err != nil { | ||
| return fmt.Errorf("could not read object: %v", err) | ||
| } | ||
|
|
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| bucket := aws.String(R2_BUCKET) | ||
|
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| r2Resolver := aws.EndpointResolverWithOptionsFunc(func(service, region string, options ...interface{}) (aws.Endpoint, error) { | ||
| return aws.Endpoint{ | ||
| URL: R2_ENDPOINT, | ||
| }, nil | ||
| }) | ||
|
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||
| cfg, err := config.LoadDefaultConfig(ctx, | ||
| config.WithEndpointResolverWithOptions(r2Resolver), | ||
| config.WithCredentialsProvider(credentials.NewStaticCredentialsProvider(R2_KEY_ID, R2_KEY_SECRET, "")), | ||
| ) | ||
| if err != nil { | ||
| return fmt.Errorf("could not load config: %s", err) | ||
| } | ||
|
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| s3Client := s3.NewFromConfig(cfg) | ||
|
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| keys := make([]string, 0) | ||
|
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| onFile := func(name string, r io.Reader) error { | ||
| // remove leading slash | ||
| name = name[1:] | ||
| key := fmt.Sprintf("%s/%s/%s", pkgName, version, name) | ||
|
|
||
| content, err := ioutil.ReadAll(r) | ||
| if err != nil { | ||
| return errors.Wrap(err, "could not read file") | ||
| } | ||
|
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| keys = append(keys, key) | ||
|
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| meta := newMetadata(len(content)) | ||
|
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| s3Object := s3.PutObjectInput{ | ||
| Body: bytes.NewReader(content), | ||
| Bucket: bucket, | ||
| Key: aws.String(key), | ||
| Metadata: meta, | ||
| } | ||
| if err := uploadFile(ctx, s3Client, &s3Object); err != nil { | ||
| return errors.Wrap(err, "failed to upload file") | ||
| } | ||
| return nil | ||
| } | ||
| if err := gcp.Inflate(bytes.NewReader(archive), onFile); err != nil { | ||
| return fmt.Errorf("could not inflate archive: %s", err) | ||
| } | ||
|
|
||
| if len(keys) == 0 { | ||
| log.Printf("%s: no files to publish\n", pkgName) | ||
| } | ||
|
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| pkg := new(packages.Package) | ||
| if err := json.Unmarshal([]byte(configStr), &pkg); err != nil { | ||
| return fmt.Errorf("failed to parse config: %s", err) | ||
| } | ||
|
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||
| if err := audit.WroteR2(ctx, pkgName, version, keys); err != nil { | ||
| log.Printf("failed to audit: %s\n", err) | ||
| } | ||
| if err := metrics.NewUpdatePublishedR2(); err != nil { | ||
| return errors.Wrap(err, "could not report metrics") | ||
| } | ||
|
|
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| return nil | ||
| } | ||
|
|
||
| func newMetadata(size int) map[string]string { | ||
| lastModifiedTime := time.Now() | ||
| lastModifiedSeconds := lastModifiedTime.UnixNano() / int64(time.Second) | ||
| lastModifiedStr := lastModifiedTime.Format(http.TimeFormat) | ||
| etag := fmt.Sprintf("%x-%x", lastModifiedSeconds, size) | ||
|
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| meta := make(map[string]string) | ||
|
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| // https://github.com/cdnjs/origin-worker/blob/ff91d30586c9e924ff919407401dff6f52826b4d/src/index.js#L212-L213 | ||
| meta["etag"] = etag | ||
| meta["last_modified"] = lastModifiedStr | ||
|
|
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| return meta | ||
| } | ||
|
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| func uploadFile(ctx context.Context, s3Client *s3.Client, obj *s3.PutObjectInput) error { | ||
| if _, err := s3Client.PutObject(ctx, obj); err != nil { | ||
| return errors.Wrapf(err, "failed to put Object %s", *obj.Key) | ||
| } | ||
|
|
||
| return nil | ||
| } |
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