Torkel Ödegaard
70 lines
1.3 KiB
Go
70 lines
1.3 KiB
Go
package imguploader
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import (
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"io/ioutil"
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"net/http"
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"net/url"
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"path"
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"github.com/grafana/grafana/pkg/log"
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"github.com/grafana/grafana/pkg/util"
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"github.com/kr/s3/s3util"
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)
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type S3Uploader struct {
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bucket string
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secretKey string
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accessKey string
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log log.Logger
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}
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func NewS3Uploader(bucket, accessKey, secretKey string) *S3Uploader {
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return &S3Uploader{
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bucket: bucket,
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accessKey: accessKey,
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secretKey: secretKey,
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log: log.New("s3uploader"),
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}
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}
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func (u *S3Uploader) Upload(imageDiskPath string) (string, error) {
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s3util.DefaultConfig.AccessKey = u.accessKey
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s3util.DefaultConfig.SecretKey = u.secretKey
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header := make(http.Header)
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header.Add("x-amz-acl", "public-read")
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header.Add("Content-Type", "image/png")
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var imageUrl *url.URL
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var err error
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if imageUrl, err = url.Parse(u.bucket); err != nil {
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return "", err
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}
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// add image to url
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imageUrl.Path = path.Join(imageUrl.Path, util.GetRandomString(20)+".png")
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imageUrlString := imageUrl.String()
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log.Debug("Uploading image to s3", "url", imageUrlString)
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writer, err := s3util.Create(imageUrlString, header, nil)
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if err != nil {
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return "", err
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}
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defer writer.Close()
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imgData, err := ioutil.ReadFile(imageDiskPath)
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if err != nil {
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return "", err
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}
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_, err = writer.Write(imgData)
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if err != nil {
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return "", err
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}
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return imageUrlString, nil
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}
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