Site replication status (#1834)

Site replication status UI
Site replication status ui-test
Address review comment by Alex
Add functional test for API
Add integration tests for status API

restapi/admin_replication_status.go

@@ -0,0 +1,92 @@
+// This file is part of MinIO Console Server
+// Copyright (c) 2022 MinIO, Inc.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package restapi
+
+import (
+	"context"
+
+	"github.com/go-openapi/runtime/middleware"
+	"github.com/minio/console/models"
+	"github.com/minio/console/restapi/operations"
+	"github.com/minio/console/restapi/operations/admin_api"
+	"github.com/minio/madmin-go"
+)
+
+func registerSiteReplicationStatusHandler(api *operations.ConsoleAPI) {
+
+	api.AdminAPIGetSiteReplicationStatusHandler = admin_api.GetSiteReplicationStatusHandlerFunc(func(params admin_api.GetSiteReplicationStatusParams, session *models.Principal) middleware.Responder {
+		rInfo, err := getSRStatusResponse(session, params)
+		if err != nil {
+			return admin_api.NewGetSiteReplicationStatusDefault(500).WithPayload(prepareError(err))
+		}
+		return admin_api.NewGetSiteReplicationStatusOK().WithPayload(rInfo)
+
+	})
+}
+
+func getSRStatusResponse(session *models.Principal, params admin_api.GetSiteReplicationStatusParams) (info *models.SiteReplicationStatusResponse, err error) {
+
+	mAdmin, err := NewMinioAdminClient(session)
+	if err != nil {
+		return nil, err
+	}
+	adminClient := AdminClient{Client: mAdmin}
+	ctx := context.Background()
+
+	res, err := getSRStats(ctx, adminClient, params)
+
+	if err != nil {
+		return nil, err
+	}
+	return res, nil
+}
+
+func getSRStats(ctx context.Context, client MinioAdmin, params admin_api.GetSiteReplicationStatusParams) (info *models.SiteReplicationStatusResponse, err error) {
+
+	srParams := madmin.SRStatusOptions{
+		Buckets:  *params.Buckets,
+		Policies: *params.Policies,
+		Users:    *params.Users,
+		Groups:   *params.Groups,
+	}
+	if params.EntityType != nil && params.EntityValue != nil {
+		srParams.Entity = madmin.GetSREntityType(*params.EntityType)
+		srParams.EntityValue = *params.EntityValue
+	}
+
+	srInfo, err := client.getSiteReplicationStatus(ctx, srParams)
+
+	retInfo := models.SiteReplicationStatusResponse{
+		BucketStats:  &srInfo.BucketStats,
+		Enabled:      srInfo.Enabled,
+		GroupStats:   srInfo.GroupStats,
+		MaxBuckets:   int64(srInfo.MaxBuckets),
+		MaxGroups:    int64(srInfo.MaxGroups),
+		MaxPolicies:  int64(srInfo.MaxPolicies),
+		MaxUsers:     int64(srInfo.MaxUsers),
+		PolicyStats:  &srInfo.PolicyStats,
+		Sites:        &srInfo.Sites,
+		StatsSummary: srInfo.StatsSummary,
+		UserStats:    &srInfo.UserStats,
+	}
+
+	if err != nil {
+		return nil, err
+	}
+	return &retInfo, nil
+
+}