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Add admin API to edit remote bucket target credentials (#10848)

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This commit is contained in:
Poorna Krishnamoorthy 2020-11-24 19:09:05 -08:00 committed by GitHub
parent f96ed3769f
commit 3ad41fe89d
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6 changed files with 82 additions and 29 deletions
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10
cmd/admin-bucket-handlers.go
View File

@ -128,6 +128,7 @@ func (a adminAPIHandlers) SetRemoteTargetHandler(w http.ResponseWriter, r *http.
defer logger.AuditLog(w, r, "SetBucketTarget", mustGetClaimsFromToken(r))
vars := mux.Vars(r)
bucket := vars["bucket"]
update := r.URL.Query().Get("update") == "true"
if !globalIsErasure {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrNotImplemented), r.URL)
@ -174,13 +175,17 @@ func (a adminAPIHandlers) SetRemoteTargetHandler(w http.ResponseWriter, r *http.
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrBucketRemoteIdenticalToSource), r.URL)
return
}
target.SourceBucket = bucket
target.Arn = globalBucketTargetSys.getRemoteARN(bucket, &target)
if !update {
target.Arn = globalBucketTargetSys.getRemoteARN(bucket, &target)
}
if target.Arn == "" {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErrWithErr(ErrAdminConfigBadJSON, err), r.URL)
return
}
if err = globalBucketTargetSys.SetTarget(ctx, bucket, &target); err != nil {
if err = globalBucketTargetSys.SetTarget(ctx, bucket, &target, update); err != nil {
writeErrorResponseJSON(ctx, w, toAPIError(ctx, err), r.URL)
return
}
@ -188,7 +193,6 @@ func (a adminAPIHandlers) SetRemoteTargetHandler(w http.ResponseWriter, r *http.
if err != nil {
writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL, guessIsBrowserReq(r))
return
}
tgtBytes, err := json.Marshal(&targets)
if err != nil {

2
cmd/admin-router.go
View File

@ -188,7 +188,7 @@ func registerAdminRouter(router *mux.Router, enableConfigOps, enableIAMOps bool)
// SetRemoteTargetHandler
adminRouter.Methods(http.MethodPut).Path(adminVersion+"/set-remote-target").HandlerFunc(
httpTraceHdrs(adminAPI.SetRemoteTargetHandler)).Queries("bucket", "{bucket:.*}")
// SetRemoteTargetHandler
// RemoveRemoteTargetHandler
adminRouter.Methods(http.MethodDelete).Path(adminVersion+"/remove-remote-target").HandlerFunc(
httpTraceHdrs(adminAPI.RemoveRemoteTargetHandler)).Queries("bucket", "{bucket:.*}", "arn", "{arn:.*}")
}

2
cmd/api-errors.go
View File

@ -829,7 +829,7 @@ var errorCodes = errorCodeMap{
},
ErrReplicationRemoteConnectionError: {
Code: "XMinioAdminReplicationRemoteConnectionError",
Description: "Remote service endpoint or target bucket not available",
Description: "Remote service connection error - please check remote service credentials and target bucket",
HTTPStatusCode: http.StatusNotFound,
},
ErrBucketRemoteIdenticalToSource: {

36
cmd/bucket-targets.go
View File

@ -35,7 +35,6 @@ type BucketTargetSys struct {
sync.RWMutex
arnRemotesMap map[string]*miniogo.Core
targetsMap map[string][]madmin.BucketTarget
clientsCache map[string]*miniogo.Core
}
// ListTargets lists bucket targets across tenant or for individual bucket, and returns
@ -77,17 +76,24 @@ func (sys *BucketTargetSys) ListBucketTargets(ctx context.Context, bucket string
}
// SetTarget - sets a new minio-go client target for this bucket.
func (sys *BucketTargetSys) SetTarget(ctx context.Context, bucket string, tgt *madmin.BucketTarget) error {
func (sys *BucketTargetSys) SetTarget(ctx context.Context, bucket string, tgt *madmin.BucketTarget, update bool) error {
if globalIsGateway {
return nil
}
if !tgt.Type.IsValid() {
if !tgt.Type.IsValid() && !update {
return BucketRemoteArnTypeInvalid{Bucket: bucket}
}
clnt, err := sys.getRemoteTargetClient(tgt)
if err != nil {
return BucketRemoteTargetNotFound{Bucket: tgt.TargetBucket}
}
// validate if target credentials are ok
if _, err = clnt.BucketExists(ctx, tgt.TargetBucket); err != nil {
if minio.ToErrorResponse(err).Code == "NoSuchBucket" {
return BucketRemoteTargetNotFound{Bucket: tgt.TargetBucket}
}
return BucketRemoteConnectionErr{Bucket: tgt.TargetBucket}
}
if tgt.Type == madmin.ReplicationService {
if !globalIsErasure {
return NotImplemented{}
@ -97,9 +103,6 @@ func (sys *BucketTargetSys) SetTarget(ctx context.Context, bucket string, tgt *m
}
vcfg, err := clnt.GetBucketVersioning(ctx, tgt.TargetBucket)
if err != nil {
if minio.ToErrorResponse(err).Code == "NoSuchBucket" {
return BucketRemoteTargetNotFound{Bucket: tgt.TargetBucket}
}
return BucketRemoteConnectionErr{Bucket: tgt.TargetBucket}
}
if vcfg.Status != string(versioning.Enabled) {
@ -130,10 +133,10 @@ func (sys *BucketTargetSys) SetTarget(ctx context.Context, bucket string, tgt *m
for idx, t := range tgts {
labels[t.Label] = struct{}{}
if t.Type == tgt.Type {
if t.Arn == tgt.Arn {
if t.Arn == tgt.Arn && !update {
return BucketRemoteAlreadyExists{Bucket: t.TargetBucket}
}
if t.Label == tgt.Label {
if t.Label == tgt.Label && !update {
return BucketRemoteLabelInUse{Bucket: t.TargetBucket}
}
newtgts[idx] = *tgt
@ -142,18 +145,15 @@ func (sys *BucketTargetSys) SetTarget(ctx context.Context, bucket string, tgt *m
}
newtgts[idx] = t
}
if _, ok := labels[tgt.Label]; ok {
if _, ok := labels[tgt.Label]; ok && !update {
return BucketRemoteLabelInUse{Bucket: tgt.TargetBucket}
}
if !found {
if !found && !update {
newtgts = append(newtgts, *tgt)
}
sys.targetsMap[bucket] = newtgts
sys.arnRemotesMap[tgt.Arn] = clnt
if _, ok := sys.clientsCache[clnt.EndpointURL().String()]; !ok {
sys.clientsCache[clnt.EndpointURL().String()] = clnt
}
return nil
}
@ -262,7 +262,6 @@ func NewBucketTargetSys() *BucketTargetSys {
return &BucketTargetSys{
arnRemotesMap: make(map[string]*miniogo.Core),
targetsMap: make(map[string][]madmin.BucketTarget),
clientsCache: make(map[string]*miniogo.Core),
}
}
@ -309,9 +308,6 @@ func (sys *BucketTargetSys) UpdateAllTargets(bucket string, tgts *madmin.BucketT
continue
}
sys.arnRemotesMap[tgt.Arn] = tgtClient
if _, ok := sys.clientsCache[tgtClient.EndpointURL().String()]; !ok {
sys.clientsCache[tgtClient.EndpointURL().String()] = tgtClient
}
}
sys.targetsMap[bucket] = tgts.Targets
}
@ -335,9 +331,6 @@ func (sys *BucketTargetSys) load(ctx context.Context, buckets []BucketInfo, objA
continue
}
sys.arnRemotesMap[tgt.Arn] = tgtClient
if _, ok := sys.clientsCache[tgtClient.EndpointURL().String()]; !ok {
sys.clientsCache[tgtClient.EndpointURL().String()] = tgtClient
}
}
sys.targetsMap[bucket.Name] = cfg.Targets
}
@ -349,9 +342,6 @@ var getRemoteTargetInstanceTransportOnce sync.Once
// Returns a minio-go Client configured to access remote host described in replication target config.
func (sys *BucketTargetSys) getRemoteTargetClient(tcfg *madmin.BucketTarget) (*miniogo.Core, error) {
if clnt, ok := sys.clientsCache[tcfg.Endpoint]; ok {
return clnt, nil
}
config := tcfg.Credentials
creds := credentials.NewStaticV4(config.AccessKey, config.SecretKey, "")

16
pkg/madmin/examples/bucket-target.go
View File

@ -21,6 +21,7 @@ package main
import (
"context"
"fmt"
"log"
"github.com/minio/minio/pkg/auth"
@ -44,9 +45,11 @@ func main() {
}
target := madmin.BucketTarget{Endpoint: "site2:9000", Credentials: creds, TargetBucket: "destbucket", IsSSL: false, Type: madmin.ReplicationArn, BandwidthLimit: 2 * 1024 * 1024}
// Set bucket target
if err := madmClnt.SetBucketTarget(ctx, "srcbucket", &target); err != nil {
arn, err := madmClnt.SetBucketTarget(ctx, "srcbucket", &target)
if err != nil {
log.Fatalln(err)
}
fmt.Println("replication target ARN is:", arn)
// List all bucket target(s)
target, err = madmClnt.ListBucketTargets(ctx, "srcbucket", "")
if err != nil {
@ -57,6 +60,17 @@ func main() {
if err != nil {
log.Fatalln(err)
}
// update credentials for target
creds, err := auth.CreateCredentials("access-key2", "secret-key2")
if err != nil {
log.Fatalln(err)
}
target := madmin.BucketTarget{Endpoint: "site2:9000", Credentials: creds, SourceBucket: "srcbucket", TargetBucket: "destbucket", IsSSL: false, Arn: "arn:minio:ilm:us-east-1:3cbe15b8-82b9-44bc-a737-db9051ab359a:srcbucket"}
// update credentials on bucket target
if _, err := madmClnt.UpdateBucketTarget(ctx, &target); err != nil {
log.Fatalln(err)
}
// Remove bucket target
arn := "arn:minio:replica::ac66b2cf-dd8f-4e7e-a882-9a64132f0d59:dest"
if err := madmClnt.RemoveBucketTarget(ctx, "srcbucket", arn); err != nil {

45
pkg/madmin/remote-target-commands.go
View File

@ -236,6 +236,51 @@ func (adm *AdminClient) SetRemoteTarget(ctx context.Context, bucket string, targ
return arn, nil
}
// UpdateRemoteTarget updates credentials for a remote bucket target
func (adm *AdminClient) UpdateRemoteTarget(ctx context.Context, target *BucketTarget) (string, error) {
if target == nil {
return "", fmt.Errorf("target cannot be nil")
}
data, err := json.Marshal(target)
if err != nil {
return "", err
}
encData, err := EncryptData(adm.getSecretKey(), data)
if err != nil {
return "", err
}
queryValues := url.Values{}
queryValues.Set("bucket", target.SourceBucket)
queryValues.Set("update", "true")
reqData := requestData{
relPath: adminAPIPrefix + "/set-remote-target",
queryValues: queryValues,
content: encData,
}
// Execute PUT on /minio/admin/v3/set-remote-target to set a target for this bucket of specific arn type.
resp, err := adm.executeMethod(ctx, http.MethodPut, reqData)
defer closeResponse(resp)
if err != nil {
return "", err
}
if resp.StatusCode != http.StatusOK {
return "", httpRespToErrorResponse(resp)
}
b, err := ioutil.ReadAll(resp.Body)
if err != nil {
return "", err
}
var arn string
if err = json.Unmarshal(b, &arn); err != nil {
return "", err
}
return arn, nil
}
// RemoveRemoteTarget removes a remote target associated with particular ARN for this bucket
func (adm *AdminClient) RemoveRemoteTarget(ctx context.Context, bucket, arn string) error {
queryValues := url.Values{}