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api: Implement bucket notification. (#2271)

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* Implement basic S3 notifications through queues

Supports multiple queues and three basic queue types:

1. NilQueue -- messages don't get sent anywhere
2. LogQueue -- messages get logged
3. AmqpQueue -- messages are sent to an AMQP queue

* api: Implement bucket notification.

Supports two different queue types

- AMQP
- ElasticSearch.

* Add support for redis
This commit is contained in:
Harshavardhana
2016-07-23 22:51:12 -07:00
committed by Anand Babu (AB) Periasamy
parent f85d94288d
commit f248089523
234 changed files with 45415 additions and 550 deletions
Download Patch File Download Diff File Expand all files Collapse all files
bucket-handlers.go
+14 -29
View File
@@ -23,7 +23,6 @@ import (
"encoding/xml"
"io"
"io/ioutil"
"mime/multipart"
"net/http"
"net/url"
"strings"
@@ -319,9 +318,9 @@ func (api objectAPIHandlers) PutBucketHandler(w http.ResponseWriter, r *http.Req
// requests which do not follow valid region requirements.
if s3Error := isValidLocationConstraint(r); s3Error != ErrNone {
writeErrorResponse(w, r, s3Error, r.URL.Path)
return
}
// Make bucket.
// Proceed to creating a bucket.
err := api.ObjectAPI.MakeBucket(bucket)
if err != nil {
errorIf(err, "Unable to create a bucket.")
@@ -333,32 +332,6 @@ func (api objectAPIHandlers) PutBucketHandler(w http.ResponseWriter, r *http.Req
writeSuccessResponse(w, nil)
}
func extractHTTPFormValues(reader *multipart.Reader) (io.Reader, map[string]string, error) {
/// HTML Form values
formValues := make(map[string]string)
filePart := new(bytes.Buffer)
var err error
for err == nil {
var part *multipart.Part
part, err = reader.NextPart()
if part != nil {
if part.FileName() == "" {
var buffer []byte
buffer, err = ioutil.ReadAll(part)
if err != nil {
return nil, nil, err
}
formValues[http.CanonicalHeaderKey(part.FormName())] = string(buffer)
} else {
if _, err = io.Copy(filePart, part); err != nil {
return nil, nil, err
}
}
}
}
return filePart, formValues, nil
}
// PostPolicyBucketHandler - POST policy
// ----------
// This implementation of the POST operation handles object creation with a specified
@@ -415,6 +388,17 @@ func (api objectAPIHandlers) PostPolicyBucketHandler(w http.ResponseWriter, r *h
})
setCommonHeaders(w)
writeSuccessResponse(w, encodedSuccessResponse)
// Load notification config if any.
nConfig, err := api.loadNotificationConfig(bucket)
if err != nil {
errorIf(err, "Unable to load notification config for bucket: \"%s\"", bucket)
return
}
size := int64(0) // FIXME: support notify size.
// Notify event.
notifyObjectCreatedEvent(nConfig, ObjectCreatedPost, bucket, object, md5Sum, size)
}
// HeadBucketHandler - HEAD Bucket
@@ -464,6 +448,7 @@ func (api objectAPIHandlers) DeleteBucketHandler(w http.ResponseWriter, r *http.
vars := mux.Vars(r)
bucket := vars["bucket"]
// Attempt to delete bucket.
if err := api.ObjectAPI.DeleteBucket(bucket); err != nil {
errorIf(err, "Unable to delete a bucket.")
writeErrorResponse(w, r, toAPIErrorCode(err), r.URL.Path)