minio/cmd/admin-handlers-pools.go

203 lines
5.7 KiB
Go

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// 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 cmd
import (
"encoding/json"
"fmt"
"net/http"
"github.com/gorilla/mux"
"github.com/minio/minio/internal/logger"
iampolicy "github.com/minio/pkg/iam/policy"
)
func (a adminAPIHandlers) StartDecommission(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "StartDecommission")
defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
objectAPI, _ := validateAdminReq(ctx, w, r, iampolicy.DecommissionAdminAction)
if objectAPI == nil {
return
}
// Legacy args style such as non-ellipses style is not supported with this API.
if globalEndpoints.Legacy() {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrNotImplemented), r.URL)
return
}
pools, ok := objectAPI.(*erasureServerPools)
if !ok {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrNotImplemented), r.URL)
return
}
vars := mux.Vars(r)
v := vars["pool"]
idx := globalEndpoints.GetPoolIdx(v)
if idx == -1 {
// We didn't find any matching pools, invalid input
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, errInvalidArgument), r.URL)
return
}
if ep := globalEndpoints[idx].Endpoints[0]; !ep.IsLocal {
for nodeIdx, proxyEp := range globalProxyEndpoints {
if proxyEp.Endpoint.Host == ep.Host {
if proxyRequestByNodeIndex(ctx, w, r, nodeIdx) {
return
}
}
}
}
if err := pools.Decommission(r.Context(), idx); err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
}
func (a adminAPIHandlers) CancelDecommission(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "CancelDecommission")
defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
objectAPI, _ := validateAdminReq(ctx, w, r, iampolicy.DecommissionAdminAction)
if objectAPI == nil {
return
}
// Legacy args style such as non-ellipses style is not supported with this API.
if globalEndpoints.Legacy() {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrNotImplemented), r.URL)
return
}
pools, ok := objectAPI.(*erasureServerPools)
if !ok {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrNotImplemented), r.URL)
return
}
vars := mux.Vars(r)
v := vars["pool"]
idx := globalEndpoints.GetPoolIdx(v)
if idx == -1 {
// We didn't find any matching pools, invalid input
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, errInvalidArgument), r.URL)
return
}
if ep := globalEndpoints[idx].Endpoints[0]; !ep.IsLocal {
for nodeIdx, proxyEp := range globalProxyEndpoints {
if proxyEp.Endpoint.Host == ep.Host {
if proxyRequestByNodeIndex(ctx, w, r, nodeIdx) {
return
}
}
}
}
if err := pools.DecommissionCancel(ctx, idx); err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
}
func (a adminAPIHandlers) StatusPool(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "StatusPool")
defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
objectAPI, _ := validateAdminReq(ctx, w, r, iampolicy.ServerInfoAdminAction, iampolicy.DecommissionAdminAction)
if objectAPI == nil {
return
}
// Legacy args style such as non-ellipses style is not supported with this API.
if globalEndpoints.Legacy() {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrNotImplemented), r.URL)
return
}
pools, ok := objectAPI.(*erasureServerPools)
if !ok {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrNotImplemented), r.URL)
return
}
vars := mux.Vars(r)
v := vars["pool"]
idx := globalEndpoints.GetPoolIdx(v)
if idx == -1 {
apiErr := toAdminAPIErr(ctx, errInvalidArgument)
apiErr.Description = fmt.Sprintf("specified pool '%s' not found, please specify a valid pool", v)
// We didn't find any matching pools, invalid input
writeErrorResponseJSON(ctx, w, apiErr, r.URL)
return
}
status, err := pools.Status(r.Context(), idx)
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
logger.LogIf(r.Context(), json.NewEncoder(w).Encode(&status))
}
func (a adminAPIHandlers) ListPools(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "ListPools")
defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
objectAPI, _ := validateAdminReq(ctx, w, r, iampolicy.ServerInfoAdminAction, iampolicy.DecommissionAdminAction)
if objectAPI == nil {
return
}
// Legacy args style such as non-ellipses style is not supported with this API.
if globalEndpoints.Legacy() {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrNotImplemented), r.URL)
return
}
pools, ok := objectAPI.(*erasureServerPools)
if !ok {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrNotImplemented), r.URL)
return
}
poolsStatus := make([]PoolStatus, len(globalEndpoints))
for idx := range globalEndpoints {
status, err := pools.Status(r.Context(), idx)
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
poolsStatus[idx] = status
}
logger.LogIf(r.Context(), json.NewEncoder(w).Encode(poolsStatus))
}