func (so *s3Options) Execute(args []string) error {
if err := app.CheckArity(1, 1, args); err != nil {
return err
}
repo := args[0]
s3 := s3.New(awsAuth, awsRegion)
buk := s3.Bucket(defBucket)
data, err := buk.Get("/binary/repos/repositories")
if err != nil {
return err
}
ts := &env.TagStore{}
err = json.Unmarshal(data, &ts)
id, err := ts.Lookup(repo)
if err != nil {
return err
}
dts, err := env.DefaultTagStore()
if err != nil {
return err
}
i := &Importer{tags: ts, sysTags: dts}
if !so.Force {
if i.alreadyExists(id) {
return fmt.Errorf("Already have %s, skipping download\n", utils.TruncateID(id))
}
}
fmt.Printf("Downloading %s (%s)\n", repo, utils.TruncateID(id))
err = i.download(buk, id)
dts.Flush()
return err
}
func (u *S3Uploader) Setup(destination string) error {
u.Destination = destination
// Setup the AWS authentication
auth, err := aws.EnvAuth()
if err != nil {
return errors.New("Error loading AWS credentials: " + err.Error())
}
// Decide what region to use
// https://github.com/crowdmob/goamz/blob/master/aws/regions.go
// I think S3 defaults to us-east-1
regionName := "us-east-1"
if os.Getenv("AWS_DEFAULT_REGION") != "" {
regionName = os.Getenv("AWS_DEFAULT_REGION")
}
// Check to make sure the region exists
region, ok := aws.Regions[regionName]
if ok == false {
return errors.New("Unknown AWS Region `" + regionName + "`")
}
// Find the bucket
s3 := s3.New(auth, region)
bucket := s3.Bucket(u.bucketName())
// If the list doesn't return an error, then we've got our
// bucket
_, err = bucket.List("", "", "", 0)
if err != nil {
return errors.New("Could not find bucket `" + u.bucketName() + " in region `" + region.Name + "` (" + err.Error() + ")")
}
u.Bucket = bucket
return nil
}
// Bucket returns the default S3 bucket for this application (configured by
// env)
func Bucket() *s3.Bucket {
// TODO: is this expensive? Should I be making it a singleton?
s3 := s3.New(auth(), aws.USEast)
return s3.Bucket(os.Getenv("S3_BUCKET"))
}