minio/cmd/admin-server-info.go
Anis Elleuch 2c296652f7
Simplify access to local node name (#11907)
The local node name is heavily used in tracing, create a new global 
variable to store it. Multiple goroutines can access it since it won't be
changed later.
2021-03-26 11:37:58 -07:00

81 lines
2.3 KiB
Go

/*
* MinIO Cloud Storage, (C) 2019 MinIO, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cmd
import (
"context"
"net/http"
"time"
"github.com/minio/minio/cmd/logger"
"github.com/minio/minio/pkg/madmin"
)
// getLocalServerProperty - returns madmin.ServerProperties for only the
// local endpoints from given list of endpoints
func getLocalServerProperty(endpointServerPools EndpointServerPools, r *http.Request) madmin.ServerProperties {
var localEndpoints Endpoints
addr := r.Host
if globalIsDistErasure {
addr = globalLocalNodeName
}
network := make(map[string]string)
for _, ep := range endpointServerPools {
for _, endpoint := range ep.Endpoints {
nodeName := endpoint.Host
if nodeName == "" {
nodeName = r.Host
}
if endpoint.IsLocal {
// Only proceed for local endpoints
network[nodeName] = string(madmin.ItemOnline)
localEndpoints = append(localEndpoints, endpoint)
continue
}
_, present := network[nodeName]
if !present {
if err := isServerResolvable(endpoint, 2*time.Second); err == nil {
network[nodeName] = string(madmin.ItemOnline)
} else {
network[nodeName] = string(madmin.ItemOffline)
// log once the error
logger.LogOnceIf(context.Background(), err, nodeName)
}
}
}
}
props := madmin.ServerProperties{
State: string(madmin.ItemInitializing),
Endpoint: addr,
Uptime: UTCNow().Unix() - globalBootTime.Unix(),
Version: Version,
CommitID: CommitID,
Network: network,
}
objLayer := newObjectLayerFn()
if objLayer != nil && !globalIsGateway {
// only need Disks information in server mode.
storageInfo, _ := objLayer.LocalStorageInfo(GlobalContext)
props.State = string(madmin.ItemOnline)
props.Disks = storageInfo.Disks
}
return props
}