func (e EC2Tags) Get() (map[string]string, error) {
tags := make(map[string]string)
// Passing blank values here instructs the AWS library to look at the
// current instances meta data for the security credentials.
auth, err := aws.GetAuth("", "", "", time.Time{})
if err != nil {
return tags, errors.New(fmt.Sprintf("Error creating AWS authentication: %s", err.Error()))
}
// Find the current region and create a new EC2 connection
region := aws.GetRegion(aws.InstanceRegion())
ec2Client := ec2.New(auth, region)
// Filter by the current machines instance-id
filter := ec2.NewFilter()
filter.Add("resource-id", aws.InstanceId())
// Describe the tags for the current instance
resp, err := ec2Client.DescribeTags(filter)
if err != nil {
return tags, errors.New(fmt.Sprintf("Error downloading tags: %s", err.Error()))
}
// Collect the tags
for _, tag := range resp.Tags {
tags[tag.Key] = tag.Value
}
return tags, nil
}
func getSqsQueueSize(region, awsAccessKeyID, awsSecretAccessKey, queueName string) (int, error) {
// Auth
auth, err := aws.GetAuth(awsAccessKeyID, awsSecretAccessKey, "", time.Now())
if err != nil {
return -1, err
}
// SQS
sqsClient := sqs.New(auth, aws.GetRegion(region))
queue, err := sqsClient.GetQueue(queueName)
if err != nil {
return -1, err
}
// Get queue attribute
attr, err := queue.GetQueueAttributes(sqsAttributeOfQueueSize)
if err != nil {
return -1, err
}
// Queue size
size, err := strconv.Atoi(attr.Attributes[0].Value)
if err != nil {
return -1, err
}
return size, nil
}
func awsS3Auth() (aws.Auth, error) {
// First try to authenticate using the BUILDKITE_ ENV variables
buildkiteAuth, buildkiteErr := buildkiteS3EnvAuth()
if buildkiteErr == nil {
return buildkiteAuth, nil
}
// Passing blank values here instructs the AWS library to look at the
// current instances meta data for the security credentials.
awsAuth, awsErr := aws.GetAuth("", "", "", time.Time{})
if awsErr == nil {
return awsAuth, nil
}
var err error
// If they attempted to use the BUILDKITE_ ENV variables, return them
// that error, otherwise default to the error from AWS
if buildkiteErr != nil && buildkiteAuth.AccessKey != "" || buildkiteAuth.SecretKey != "" {
err = buildkiteErr
} else {
err = awsErr
}
return aws.Auth{}, err
}
func main() {
flag.Parse()
if *region == "" {
*region = aws.InstanceRegion()
}
auth, err := aws.GetAuth("", "", "", time.Now())
if err != nil {
log.Panic(err)
}
s3service := s3.New(auth, aws.GetRegion(*region))
bucket := s3service.Bucket(flag.Arg(0))
for {
var entries []RoutingEntry
data, err := bucket.Get("/routing-table.json")
if err == nil {
err = json.Unmarshal(data, &entries)
if err == nil {
updateProxies(entries)
}
} else {
log.Print("no get routing table", err)
}
time.Sleep(time.Second * 10)
}
}
func (s *S) TestGetAuthEnv(c *check.C) {
os.Clearenv()
os.Setenv("AWS_SECRET_ACCESS_KEY", "secret")
os.Setenv("AWS_ACCESS_KEY_ID", "access")
auth, err := aws.GetAuth("", "", "", time.Time{})
c.Assert(err, check.IsNil)
c.Assert(auth, check.Equals, aws.Auth{SecretKey: "secret", AccessKey: "access"})
}
// New constructs a new Driver with the given AWS credentials, region, encryption flag, and
// bucketName
func New(params DriverParameters) (*Driver, error) {
auth, err := aws.GetAuth(params.AccessKey, params.SecretKey, "", time.Time{})
if err != nil {
return nil, err
}
if !params.Secure {
params.Region.S3Endpoint = strings.Replace(params.Region.S3Endpoint, "https", "http", 1)
}
s3obj := s3.New(auth, params.Region)
bucket := s3obj.Bucket(params.Bucket)
if params.V4Auth {
s3obj.Signature = aws.V4Signature
} else {
if params.Region.Name == "eu-central-1" {
return nil, fmt.Errorf("The eu-central-1 region only works with v4 authentication")
}
}
// Validate that the given credentials have at least read permissions in the
// given bucket scope.
if _, err := bucket.List(strings.TrimRight(params.RootDirectory, "/"), "", "", 1); err != nil {
return nil, err
}
// TODO Currently multipart uploads have no timestamps, so this would be unwise
// if you initiated a new s3driver while another one is running on the same bucket.
// multis, _, err := bucket.ListMulti("", "")
// if err != nil {
// return nil, err
// }
// for _, multi := range multis {
// err := multi.Abort()
// //TODO appropriate to do this error checking?
// if err != nil {
// return nil, err
// }
// }
d := &driver{
S3: s3obj,
Bucket: bucket,
ChunkSize: params.ChunkSize,
Encrypt: params.Encrypt,
RootDirectory: params.RootDirectory,
}
return &Driver{
baseEmbed: baseEmbed{
Base: base.Base{
StorageDriver: d,
},
},
}, nil
}
// New constructs a new Driver with the given AWS credentials, region, encryption flag, and
// bucketName
func New(params DriverParameters) (*Driver, error) {
auth, err := aws.GetAuth(params.AccessKey, params.SecretKey, "", time.Time{})
if err != nil {
return nil, fmt.Errorf("unable to resolve aws credentials, please ensure that 'accesskey' and 'secretkey' are properly set or the credentials are available in $HOME/.aws/credentials: %v", err)
}
if !params.Secure {
params.Region.S3Endpoint = strings.Replace(params.Region.S3Endpoint, "https", "http", 1)
}
s3obj := s3.New(auth, params.Region)
bucket := s3obj.Bucket(params.Bucket)
if params.V4Auth {
s3obj.Signature = aws.V4Signature
} else {
if params.Region.Name == "eu-central-1" {
return nil, fmt.Errorf("The eu-central-1 region only works with v4 authentication")
}
}
// TODO Currently multipart uploads have no timestamps, so this would be unwise
// if you initiated a new s3driver while another one is running on the same bucket.
// multis, _, err := bucket.ListMulti("", "")
// if err != nil {
// return nil, err
// }
// for _, multi := range multis {
// err := multi.Abort()
// //TODO appropriate to do this error checking?
// if err != nil {
// return nil, err
// }
// }
d := &driver{
S3: s3obj,
Bucket: bucket,
ChunkSize: params.ChunkSize,
Encrypt: params.Encrypt,
RootDirectory: params.RootDirectory,
zeros: make([]byte, params.ChunkSize),
}
d.pool.New = func() interface{} {
return make([]byte, d.ChunkSize)
}
return &Driver{
baseEmbed: baseEmbed{
Base: base.Base{
StorageDriver: d,
},
},
}, nil
}
func (s *S) TestGetAuthStatic(c *check.C) {
exptdate := time.Now().Add(time.Hour)
auth, err := aws.GetAuth("access", "secret", "token", exptdate)
c.Assert(err, check.IsNil)
c.Assert(auth.AccessKey, check.Equals, "access")
c.Assert(auth.SecretKey, check.Equals, "secret")
c.Assert(auth.Token(), check.Equals, "token")
c.Assert(auth.Expiration(), check.Equals, exptdate)
}
func initAwsBucket() {
expiration := time.Now().Add(time.Hour * 1)
auth, err := aws.GetAuth(config.AccessKey, config.SecretKey, "", expiration) //"" = token which isn't needed
if err != nil {
panic(err)
}
aws_bucket = s3.New(auth, aws.GetRegion(config.Region)).Bucket(config.Bucket)
}
func getDynamoServer(ctx *Context, region string) (*dynamodb.Server, error) {
Log(INFO, ctx, "getDynamoServer", "region", region)
// If we don't have real access keys, just try local. See
// ../local-dynamodb/. Otherwise go for real DynamoDB. ToDo:
// insist on using the real DynamoDB.
// ToDo: Combine with router/aws.go FindAWS()
if region == "local" {
r := aws.Region{DynamoDBEndpoint: "http://127.0.0.1:8000"}
auth := aws.Auth{AccessKey: "DUMMY_KEY", SecretKey: "DUMMY_SECRET"}
return dynamodb.New(auth, r), nil
} else if strings.HasPrefix(region, "http:") {
r := aws.Region{DynamoDBEndpoint: region}
auth, err := aws.GetAuth("", "", "", time.Now().Add(100000*time.Hour))
if err != nil {
Log(INFO, ctx, "router.FindAWS", "warning", err)
return nil, err
}
return dynamodb.New(auth, r), nil
} else {
auth, err := aws.EnvAuth()
if err != nil {
Log(INFO, ctx, "getDynamoServer", "warning", err, "when", "aws.EnvAuth")
// return nil, nil, err
// ToDo: Fix 100000 ...
auth, err = aws.GetAuth("", "", "", time.Now().Add(100000*time.Hour))
if err != nil {
Log(INFO, ctx, "router.FindAWS", "warning", err)
return nil, err
}
}
r, found := aws.Regions[region]
if !found {
err = fmt.Errorf("Bad region name '%s'", region)
Log(INFO, ctx, "getDynamoServer", "error", err)
return nil, err
}
return dynamodb.New(auth, r), nil
}
}
func initAwsBucket() {
fmt.Println("Initializing aws buccket bear!", config.Port)
expiration := time.Now().Add(time.Hour * 1)
auth, err := aws.GetAuth(config.AccessKey, config.SecretKey, "", expiration) //"" = token which isn't needed
if err != nil {
panic(err)
}
aws_bucket = s3.New(auth, aws.GetRegion(config.Region)).Bucket(config.Bucket)
}
func New(service string, region string, tableName string) *Discovery {
pk, err := tableDescription.BuildPrimaryKey()
if err != nil {
log.Fatal(err)
}
auth, err := aws.GetAuth("", "", "", time.Now())
dbServer := dynamodb.New(auth, aws.GetRegion(region))
table := dbServer.NewTable(tableName, pk)
return &Discovery{table: table, Service: service}
}
func (f *Factory) New(uri *url.URL) bridge.RegistryAdapter {
pk, err := tableDescription.BuildPrimaryKey()
if err != nil {
log.Fatal(err)
}
auth, err := aws.GetAuth("", "", "", time.Now())
dbServer := dynamodb.New(auth, aws.GetRegion(uri.Host))
table := dbServer.NewTable(strings.TrimPrefix(uri.Path, "/"), pk)
return &MikroAdapter{table: table}
}
func (input *S3OffsetInput) Init(config interface{}) (err error) {
conf := config.(*S3OffsetInputConfig)
input.S3OffsetInputConfig = conf
if conf.MetaFile != "" {
// We already have the required metadata. Don't need to fetch it.
input.metaFileName = conf.MetaFile
} else if conf.ClientIdListFile != "" {
// Load clientids from file.
input.clientids, err = readLines(conf.ClientIdListFile)
if err != nil {
return fmt.Errorf("Error reading file %s for 'client_id_list': %s", conf.ClientIdListFile, err)
}
} else {
return fmt.Errorf("Missing parameter: You must specify either 'client_id_list' or 'metadata_file'")
}
auth, err := aws.GetAuth(conf.AWSKey, conf.AWSSecretKey, "", time.Now())
if err != nil {
return fmt.Errorf("Authentication error: %s\n", err)
}
region, ok := aws.Regions[conf.AWSRegion]
if !ok {
return fmt.Errorf("Parameter 'aws_region' must be a valid AWS Region")
}
s := s3.New(auth, region)
s.ConnectTimeout = time.Duration(conf.S3ConnectTimeout) * time.Second
s.ReadTimeout = time.Duration(conf.S3ReadTimeout) * time.Second
// TODO: ensure we can read from (and list, for meta) the buckets.
input.bucket = s.Bucket(conf.S3Bucket)
if conf.S3MetaBucket != "" {
input.metaBucket = s.Bucket(conf.S3MetaBucket)
} else if conf.MetaFile == "" {
return fmt.Errorf("Parameter 's3_meta_bucket' is required unless using 'metadata_file'")
}
// Remove any excess path separators from the bucket prefix.
conf.S3MetaBucketPrefix = CleanBucketPrefix(conf.S3MetaBucketPrefix)
input.stop = make(chan bool)
input.offsetChan = make(chan MessageLocation, 1000)
return nil
}
func (input *S3SplitFileInput) Init(config interface{}) (err error) {
conf := config.(*S3SplitFileInputConfig)
input.S3SplitFileInputConfig = conf
input.schema, err = LoadSchema(conf.SchemaFile)
if err != nil {
return fmt.Errorf("Parameter 'schema_file' must be a valid JSON file: %s", err)
}
if conf.S3Bucket != "" {
auth, err := aws.GetAuth(conf.AWSKey, conf.AWSSecretKey, "", time.Now())
if err != nil {
return fmt.Errorf("Authentication error: %s\n", err)
}
region, ok := aws.Regions[conf.AWSRegion]
if !ok {
return fmt.Errorf("Parameter 'aws_region' must be a valid AWS Region")
}
s := s3.New(auth, region)
s.ConnectTimeout = time.Duration(conf.S3ConnectTimeout) * time.Second
s.ReadTimeout = time.Duration(conf.S3ReadTimeout) * time.Second
// TODO: ensure we can read from the bucket.
input.bucket = s.Bucket(conf.S3Bucket)
} else {
input.bucket = nil
}
if conf.S3ObjectMatchRegex != "" {
if input.objectMatch, err = regexp.Compile(conf.S3ObjectMatchRegex); err != nil {
err = fmt.Errorf("S3SplitFileInput: %s", err)
return
}
} else {
input.objectMatch = nil
}
// Remove any excess path separators from the bucket prefix.
conf.S3BucketPrefix = CleanBucketPrefix(conf.S3BucketPrefix)
input.stop = make(chan bool)
input.listChan = make(chan string, 1000)
return nil
}
func main() {
auth, err := aws.GetAuth("", "", "", time.Time{})
check(err)
s := sqs.New(auth, aws.Regions["us-east-1"])
for _, qn := range queues {
q, err := s.GetQueue(qn)
if err != nil {
fmt.Printf("error for queue %s: %v\n", qn, err)
continue
}
for _, an := range attrs {
a, err := q.GetQueueAttributes(an)
if err != nil {
fmt.Printf(
"error getting attribute %s for queue %s: %v\n",
an, qn, err)
continue
}
fmt.Printf(
"%s.%s: %s\n",
qn, a.Attributes[0].Name, a.Attributes[0].Value)
}
}
}
func main() {
flagBase := flag.String("base-dir", "/", "Base directory in which to look for files to export")
flagPattern := flag.String("pattern", ".*", "Filenames must match this regular expression to be uploaded")
flagBucket := flag.String("bucket", "default-bucket", "S3 Bucket name")
flagBucketPrefix := flag.String("bucket-prefix", "", "S3 Bucket path prefix")
flagAWSKey := flag.String("aws-key", "", "AWS Key")
flagAWSSecretKey := flag.String("aws-secret-key", "", "AWS Secret Key")
flagAWSRegion := flag.String("aws-region", "us-west-2", "AWS Region")
flagLoop := flag.Bool("loop", false, "Run in a loop and keep watching for more files to export")
flagDryRun := flag.Bool("dry-run", false, "Don't actually do anything, just output what would be done")
flag.Parse()
if flag.NArg() != 0 {
flag.PrintDefaults()
os.Exit(1)
}
var err error
baseStat, err := os.Stat(*flagBase)
if err != nil || !baseStat.IsDir() {
fmt.Printf("base-dir: %s\n", err)
os.Exit(2)
}
pattern, err := regexp.Compile(*flagPattern)
if err != nil {
fmt.Printf("pattern: %s\n", err)
os.Exit(3)
}
// fmt.Printf("Base:%s Pattern:%s Bucket: s3://%s/%s AWSKey:%s / %s Region:%s Dry Run:%t Loop:%t\n",
// *flagBase, *flagPattern, *flagBucket, *flagBucketPrefix, *flagAWSKey, *flagAWSSecretKey, *flagAWSRegion, *flagDryRun, *flagLoop)
var progress Progress
var rate float64
var uploadMB float64
var b *s3.Bucket
if !*flagDryRun {
auth, err := aws.GetAuth(*flagAWSKey, *flagAWSSecretKey, "", time.Now())
if err != nil {
fmt.Printf("Authentication error: %s\n", err)
os.Exit(4)
}
region, ok := aws.Regions[*flagAWSRegion]
if !ok {
fmt.Printf("Parameter 'aws-region' must be a valid AWS Region\n")
os.Exit(5)
}
s := s3.New(auth, region)
b = s.Bucket(*flagBucket)
} else {
// b declared and not used :(
_ = b
}
for true {
progress = Progress{}
startTime := time.Now().UTC()
err = filepath.Walk(*flagBase, makeupload(*flagBase, pattern, b, *flagBucketPrefix, *flagDryRun, &progress))
if err != nil {
fmt.Printf("Error reading files from %s: %s\n", *flagBase, err)
}
if progress.Count > 0 {
uploadMB = float64(progress.Bytes) / 1024.0 / 1024.0
duration := time.Now().UTC().Sub(startTime).Seconds()
if duration > 0 {
rate = uploadMB / duration
} else {
rate = 0
}
fmt.Printf("Uploaded %d files containing %.2fMB in %.02fs (%.02fMB/s). Encountered %d errors.\n", progress.Count, uploadMB, duration, rate, progress.Errors)
} else {
// We didn't upload any files.
if !*flagLoop {
fmt.Println("Nothing to upload")
} else {
// Only sleep if we didn't find anything to upload. If we did upload
// something, we want to try again right away.
fmt.Println("Waiting for files to upload...")
time.Sleep(10 * time.Second)
}
}
if !*flagLoop {
break
}
}
}
func (o *S3SplitFileOutput) Init(config interface{}) (err error) {
conf := config.(*S3SplitFileOutputConfig)
o.S3SplitFileOutputConfig = conf
var intPerm int64
if intPerm, err = strconv.ParseInt(conf.FolderPerm, 8, 32); err != nil {
err = fmt.Errorf("S3SplitFileOutput '%s' can't parse `folder_perm`, is it an octal integer string?",
o.Path)
return
}
o.folderPerm = os.FileMode(intPerm)
if intPerm, err = strconv.ParseInt(conf.Perm, 8, 32); err != nil {
err = fmt.Errorf("S3SplitFileOutput '%s' can't parse `perm`, is it an octal integer string?",
o.Path)
return
}
o.perm = os.FileMode(intPerm)
if conf.MaxFileSize < 1 {
err = fmt.Errorf("Parameter 'max_file_size' must be greater than 0.")
return
}
if conf.MaxFileAge < 1 {
err = fmt.Errorf("Parameter 'max_file_age' must be greater than 0.")
return
}
if conf.MaxOpenFiles < 0 {
err = fmt.Errorf("Parameter 'max_open_files' must not be negative.")
return
}
o.fopenCache, err = lru.New(conf.MaxOpenFiles)
if err != nil {
// This should never happen since we already checked for negative size.
return
}
// Close files as they are evicted / removed from the cache.
o.fopenCache.OnEvicted = func(key interface{}, val interface{}) {
// If it's not a file, we don't care about it.
switch t := val.(type) {
case *os.File:
t.Close()
}
}
o.dimFiles = map[string]*SplitFileInfo{}
// TODO: fall back to default schema.
//fmt.Printf("schema_file = '%s'\n", conf.SchemaFile)
if conf.SchemaFile == "" {
err = fmt.Errorf("Parameter 'schema_file' is missing")
return
}
o.schema, err = LoadSchema(conf.SchemaFile)
if err != nil {
return fmt.Errorf("Parameter 'schema_file' must be a valid JSON file: %s", err)
}
if conf.S3Bucket != "" {
auth, err := aws.GetAuth(conf.AWSKey, conf.AWSSecretKey, "", time.Now())
if err != nil {
return fmt.Errorf("Authentication error: %s\n", err)
}
region, ok := aws.Regions[conf.AWSRegion]
if !ok {
return fmt.Errorf("Parameter 'aws_region' must be a valid AWS Region")
}
s := s3.New(auth, region)
s.ConnectTimeout = time.Duration(conf.S3ConnectTimeout) * time.Second
s.ReadTimeout = time.Duration(conf.S3ReadTimeout) * time.Second
// TODO: ensure we can write to the bucket.
o.bucket = s.Bucket(conf.S3Bucket)
} else {
o.bucket = nil
}
// Remove any excess path separators from the bucket prefix.
conf.S3BucketPrefix = fmt.Sprintf("/%s", strings.Trim(conf.S3BucketPrefix, "/"))
o.publishChan = make(chan PublishAttempt, 1000)
o.shuttingDown = false
return
}
func main() {
flag.Parse()
default_cond := []dynamodb.AttributeComparison{}
auth, err := aws.GetAuth("", "", "", time.Now())
aws_region := aws.Regions[*region]
if err != nil {
log.Fatal("Failed to auth", err)
}
srcDesc, _, err := sniff(
&auth, aws_region, *tableSrc, *tableDst)
if err != nil {
log.Fatal("Failed to describe table.", err)
}
work := make(chan map[string]*dynamodb.Attribute, *numIn)
work2 := make(chan map[string]*dynamodb.Attribute, WORK2_BUFFER)
done := make(chan string)
events := make(chan Event, EVENTS_BUFFER)
var readers = make([]*Reader, *numIn)
var writers = make([]*Writer, *numOut)
mon := newMonitor(*tableSrc, *tableDst,
srcDesc.ItemCount, *tps,
done, events, readers, writers)
// this one never requires a done signal
go mon.run()
// read (4) => speed regulator (1) => write (4)
for i := 0; i < *numIn; i++ {
r := newReader(*tableSrc, &auth, aws_region,
default_cond,
i, *numIn, READ_BATCH,
work,
done, events)
readers[i] = r
go r.run()
}
// start a regulator to control the speed
go regulator_thread(*tps,
work, work2, done)
for j := 0; j < *numOut; j++ {
w := newWriter(j,
*tableDst, &auth, aws_region,
*batchSize, work2, done, events)
writers[j] = w
go w.run()
}
mon.show()
//wait for reader
for i := 0; i < *numIn; i++ {
mon.drain()
}
close(work)
// wait for regulator
mon.drain()
close(work2)
//wait for writer
for j := 0; j < *numOut; j++ {
mon.drain()
}
close(events)
// for mon
mon.drain()
mon.show()
}
func main() {
flagMatch := flag.String("match", "TRUE", "message_matcher filter expression")
flagFormat := flag.String("format", "txt", "output format [txt|json|heka|count]")
flagOutput := flag.String("output", "", "output filename, defaults to stdout")
flagStdin := flag.Bool("stdin", false, "read list of s3 key names from stdin")
flagBucket := flag.String("bucket", "default-bucket", "S3 Bucket name")
flagAWSKey := flag.String("aws-key", "", "AWS Key")
flagAWSSecretKey := flag.String("aws-secret-key", "", "AWS Secret Key")
flagAWSRegion := flag.String("aws-region", "us-west-2", "AWS Region")
flagMaxMessageSize := flag.Uint64("max-message-size", 4*1024*1024, "maximum message size in bytes")
flagWorkers := flag.Uint64("workers", 16, "number of parallel workers")
flagConnectTimeout := flag.Uint64("connect_timeout", 60, "Max seconds to wait for an S3 connection")
flagReadTimeout := flag.Uint64("read_timeout", 300, "Max seconds to wait for an S3 file read to complete")
flag.Parse()
if !*flagStdin && flag.NArg() < 1 {
flag.PrintDefaults()
os.Exit(1)
}
if *flagMaxMessageSize < math.MaxUint32 {
maxSize := uint32(*flagMaxMessageSize)
message.SetMaxMessageSize(maxSize)
} else {
fmt.Fprintf(os.Stderr, "Message size is too large: %d\n", flagMaxMessageSize)
os.Exit(8)
}
workers := 1
if *flagWorkers == 0 {
fmt.Fprintf(os.Stderr, "Cannot run with zero workers. Using 1.\n")
} else if *flagWorkers < 2000 {
workers = int(*flagWorkers)
} else {
fmt.Fprintf(os.Stderr, "Too many workers: %d. Use a reasonable value (up to a few hundred).\n", flagWorkers)
os.Exit(8)
}
var connectTimeout uint32
if *flagConnectTimeout < math.MaxUint32 {
connectTimeout = uint32(*flagConnectTimeout)
} else {
fmt.Fprintf(os.Stderr, "Connection Timeout is too large:%d.\n", flagConnectTimeout)
os.Exit(8)
}
var readTimeout uint32
if *flagReadTimeout < math.MaxUint32 {
readTimeout = uint32(*flagReadTimeout)
} else {
fmt.Fprintf(os.Stderr, "Read Timeout is too large:%d.\n", flagReadTimeout)
os.Exit(8)
}
var err error
var match *message.MatcherSpecification
if match, err = message.CreateMatcherSpecification(*flagMatch); err != nil {
fmt.Fprintf(os.Stderr, "Match specification - %s\n", err)
os.Exit(2)
}
var out *os.File
if "" == *flagOutput {
out = os.Stdout
} else {
if out, err = os.OpenFile(*flagOutput, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644); err != nil {
fmt.Fprintf(os.Stderr, "%s\n", err)
os.Exit(3)
}
defer out.Close()
}
auth, err := aws.GetAuth(*flagAWSKey, *flagAWSSecretKey, "", time.Now())
if err != nil {
fmt.Fprintf(os.Stderr, "Authentication error: %s\n", err)
os.Exit(4)
}
region, ok := aws.Regions[*flagAWSRegion]
if !ok {
fmt.Fprintf(os.Stderr, "Parameter 'aws-region' must be a valid AWS Region\n")
os.Exit(5)
}
s := s3.New(auth, region)
if connectTimeout > 0 {
s.ConnectTimeout = time.Duration(connectTimeout) * time.Second
}
if readTimeout > 0 {
s.ReadTimeout = time.Duration(readTimeout) * time.Second
}
bucket := s.Bucket(*flagBucket)
filenameChannel := make(chan string, 1000)
recordChannel := make(chan s3splitfile.S3Record, 1000)
doneChannel := make(chan string, 1000)
allDone := make(chan int)
for i := 1; i <= workers; i++ {
go cat(bucket, filenameChannel, recordChannel, doneChannel)
}
go save(recordChannel, match, *flagFormat, out, allDone)
startTime := time.Now().UTC()
totalFiles := 0
pendingFiles := 0
if *flagStdin {
scanner := bufio.NewScanner(os.Stdin)
for scanner.Scan() {
filename := scanner.Text()
totalFiles++
pendingFiles++
filenameChannel <- filename
if pendingFiles >= 1000 {
waitFor(doneChannel, 1)
pendingFiles--
}
}
close(filenameChannel)
} else {
for _, filename := range flag.Args() {
totalFiles++
pendingFiles++
filenameChannel <- filename
if pendingFiles >= 1000 {
waitFor(doneChannel, 1)
pendingFiles--
}
}
close(filenameChannel)
}
fmt.Fprintf(os.Stderr, "Waiting for last %d files\n", pendingFiles)
waitFor(doneChannel, pendingFiles)
close(recordChannel)
bytesRead := <-allDone
// All done! Win!
duration := time.Now().UTC().Sub(startTime).Seconds()
mb := float64(bytesRead) / 1024.0 / 1024.0
if duration == 0.0 {
duration = 1.0
}
fmt.Fprintf(os.Stderr, "All done processing %d files, %.2fMB in %.2f seconds (%.2fMB/s)\n", totalFiles, mb, duration, (mb / duration))
}
func main() {
flagSchema := flag.String("schema", "", "Filename of the schema to use as a filter")
flagBucket := flag.String("bucket", "default-bucket", "S3 Bucket name")
flagBucketPrefix := flag.String("bucket-prefix", "", "S3 Bucket path prefix")
flagAWSKey := flag.String("aws-key", "", "AWS Key")
flagAWSSecretKey := flag.String("aws-secret-key", "", "AWS Secret Key")
flagAWSRegion := flag.String("aws-region", "us-west-2", "AWS Region")
flagDryRun := flag.Bool("dry-run", false, "Don't actually do anything, just output what would be done")
flagVerbose := flag.Bool("verbose", false, "Print detailed info")
flag.Parse()
if flag.NArg() != 0 {
flag.PrintDefaults()
os.Exit(1)
}
var err error
var schema s3splitfile.Schema
schema, err = s3splitfile.LoadSchema(*flagSchema)
if err != nil {
fmt.Printf("schema: %s\n", err)
os.Exit(2)
}
if *flagDryRun {
fmt.Printf("Dry Run: Would have listed files in s3://%s/%s according to filter schema %s\n",
*flagBucket, *flagBucketPrefix, *flagSchema)
os.Exit(0)
}
var b *s3.Bucket
prefix := s3splitfile.CleanBucketPrefix(*flagBucketPrefix)
// Initialize the S3 bucket
auth, err := aws.GetAuth(*flagAWSKey, *flagAWSSecretKey, "", time.Now())
if err != nil {
fmt.Printf("Authentication error: %s\n", err)
os.Exit(4)
}
region, ok := aws.Regions[*flagAWSRegion]
if !ok {
fmt.Printf("Parameter 'aws-region' must be a valid AWS Region\n")
os.Exit(5)
}
s := s3.New(auth, region)
b = s.Bucket(*flagBucket)
var errCount int
var totalCount int
var totalSize int64
startTime := time.Now().UTC()
// List the keys as we see them
for k := range s3splitfile.S3Iterator(b, prefix, schema) {
if k.Err != nil {
fmt.Printf("ERROR fetching key: %s\n", k.Err)
errCount++
} else {
totalCount++
totalSize += k.Key.Size
fmt.Printf("%s\n", k.Key.Key)
}
}
duration := time.Now().UTC().Sub(startTime).Seconds()
if *flagVerbose {
fmt.Printf("Filter matched %d files totaling %s in %.02fs (%d errors)\n",
totalCount, s3splitfile.PrettySize(totalSize), duration, errCount)
}
}
func main() {
flagStdin := flag.Bool("stdin", false, "read list of s3 key names from stdin")
flagBucket := flag.String("bucket", "default-bucket", "S3 Bucket name")
flagAWSKey := flag.String("aws-key", "", "AWS Key")
flagAWSSecretKey := flag.String("aws-secret-key", "", "AWS Secret Key")
flagAWSRegion := flag.String("aws-region", "us-west-2", "AWS Region")
flagConnectTimeout := flag.Uint64("connect_timeout", 60, "Max seconds to wait for an S3 connection")
flagReadTimeout := flag.Uint64("read_timeout", 300, "Max seconds to wait for an S3 file read to complete")
flag.Parse()
if !*flagStdin && flag.NArg() < 1 {
flag.PrintDefaults()
os.Exit(1)
}
var connectTimeout uint32
if *flagConnectTimeout < math.MaxUint32 {
connectTimeout = uint32(*flagConnectTimeout)
} else {
fmt.Fprintf(os.Stderr, "Connection Timeout is too large:%d.\n", flagConnectTimeout)
os.Exit(8)
}
var readTimeout uint32
if *flagReadTimeout < math.MaxUint32 {
readTimeout = uint32(*flagReadTimeout)
} else {
fmt.Fprintf(os.Stderr, "Read Timeout is too large:%d.\n", flagReadTimeout)
os.Exit(8)
}
auth, err := aws.GetAuth(*flagAWSKey, *flagAWSSecretKey, "", time.Now())
if err != nil {
fmt.Fprintf(os.Stderr, "Authentication error: %s\n", err)
os.Exit(4)
}
region, ok := aws.Regions[*flagAWSRegion]
if !ok {
fmt.Fprintf(os.Stderr, "Parameter 'aws-region' must be a valid AWS Region\n")
os.Exit(5)
}
s := s3.New(auth, region)
if connectTimeout > 0 {
s.ConnectTimeout = time.Duration(connectTimeout) * time.Second
}
if readTimeout > 0 {
s.ReadTimeout = time.Duration(readTimeout) * time.Second
}
bucket := s.Bucket(*flagBucket)
startTime := time.Now().UTC()
totalFiles := 0
if *flagStdin {
scanner := bufio.NewScanner(os.Stdin)
for scanner.Scan() {
filename := scanner.Text()
totalFiles++
cat(bucket, filename)
}
} else {
for _, filename := range flag.Args() {
totalFiles++
cat(bucket, filename)
}
}
duration := time.Now().UTC().Sub(startTime).Seconds()
mb := float64(bytesRead) / 1024.0 / 1024.0
if duration == 0.0 {
duration = 1.0
}
fmt.Fprintf(os.Stderr, "All done processing %d files, %.2fMB in %.2f seconds (%.2fMB/s)\n", totalFiles, mb, duration, (mb / duration))
}