536 lines
15 KiB
Go
536 lines
15 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2017 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package madmin
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import (
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"encoding/json"
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"errors"
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"io/ioutil"
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"net/http"
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"net/url"
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"strconv"
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"time"
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humanize "github.com/dustin/go-humanize"
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"github.com/minio/minio/pkg/cpu"
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"github.com/minio/minio/pkg/disk"
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"github.com/minio/minio/pkg/mem"
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)
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const (
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// DefaultNetPerfSize - default payload size used for network performance.
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DefaultNetPerfSize = 100 * humanize.MiByte
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// DefaultDrivePerfSize - default file size for testing drive performance
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DefaultDrivePerfSize = 100 * humanize.MiByte
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)
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// BackendType - represents different backend types.
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type BackendType int
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// Enum for different backend types.
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const (
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Unknown BackendType = iota
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// Filesystem backend.
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FS
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// Multi disk Erasure (single, distributed) backend.
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Erasure
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// Add your own backend.
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)
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// DriveInfo - represents each drive info, describing
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// status, uuid and endpoint.
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type DriveInfo HealDriveInfo
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// StorageInfo - represents total capacity of underlying storage.
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type StorageInfo struct {
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Used []uint64 // Used total used per disk.
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Total []uint64 // Total disk space per disk.
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Available []uint64 // Total disk space available per disk.
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MountPaths []string // Disk mountpoints
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// Backend type.
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Backend struct {
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// Represents various backend types, currently on FS and Erasure.
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Type BackendType
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// Following fields are only meaningful if BackendType is Erasure.
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OnlineDisks BackendDisks // Online disks during server startup.
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OfflineDisks BackendDisks // Offline disks during server startup.
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StandardSCData int // Data disks for currently configured Standard storage class.
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StandardSCParity int // Parity disks for currently configured Standard storage class.
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RRSCData int // Data disks for currently configured Reduced Redundancy storage class.
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RRSCParity int // Parity disks for currently configured Reduced Redundancy storage class.
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// List of all disk status, this is only meaningful if BackendType is Erasure.
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Sets [][]DriveInfo
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}
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}
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// BackendDisks - represents the map of endpoint-disks.
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type BackendDisks map[string]int
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// Sum - Return the sum of the disks in the endpoint-disk map.
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func (d1 BackendDisks) Sum() (sum int) {
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for _, count := range d1 {
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sum += count
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}
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return sum
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}
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// Merge - Reduces two endpoint-disk maps.
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func (d1 BackendDisks) Merge(d2 BackendDisks) BackendDisks {
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if len(d2) == 0 {
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d2 = make(BackendDisks)
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}
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for i1, v1 := range d1 {
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if v2, ok := d2[i1]; ok {
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d2[i1] = v2 + v1
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continue
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}
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d2[i1] = v1
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}
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return d2
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}
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// StorageInfo - Connect to a minio server and call Storage Info Management API
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// to fetch server's information represented by StorageInfo structure
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func (adm *AdminClient) StorageInfo() (StorageInfo, error) {
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resp, err := adm.executeMethod("GET", requestData{relPath: adminAPIPrefix + "/storageinfo"})
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defer closeResponse(resp)
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if err != nil {
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return StorageInfo{}, err
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}
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// Check response http status code
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if resp.StatusCode != http.StatusOK {
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return StorageInfo{}, httpRespToErrorResponse(resp)
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}
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// Unmarshal the server's json response
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var storageInfo StorageInfo
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respBytes, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return StorageInfo{}, err
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}
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err = json.Unmarshal(respBytes, &storageInfo)
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if err != nil {
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return StorageInfo{}, err
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}
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return storageInfo, nil
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}
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type objectHistogramInterval struct {
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name string
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start, end int64
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}
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// ObjectsHistogramIntervals contains the list of intervals
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// of an histogram analysis of objects sizes.
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var ObjectsHistogramIntervals = []objectHistogramInterval{
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{"LESS_THAN_1024_B", -1, 1024 - 1},
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{"BETWEEN_1024_B_AND_1_MB", 1024, 1024*1024 - 1},
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{"BETWEEN_1_MB_AND_10_MB", 1024 * 1024, 1024*1024*10 - 1},
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{"BETWEEN_10_MB_AND_64_MB", 1024 * 1024 * 10, 1024*1024*64 - 1},
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{"BETWEEN_64_MB_AND_128_MB", 1024 * 1024 * 64, 1024*1024*128 - 1},
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{"BETWEEN_128_MB_AND_512_MB", 1024 * 1024 * 128, 1024*1024*512 - 1},
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{"GREATER_THAN_512_MB", 1024 * 1024 * 512, -1},
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}
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// DataUsageInfo represents data usage of an Object API
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type DataUsageInfo struct {
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LastUpdate time.Time `json:"lastUpdate"`
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ObjectsCount uint64 `json:"objectsCount"`
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ObjectsTotalSize uint64 `json:"objectsTotalSize"`
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ObjectsSizesHistogram map[string]uint64 `json:"objectsSizesHistogram"`
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BucketsCount uint64 `json:"bucketsCount"`
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BucketsSizes map[string]uint64 `json:"bucketsSizes"`
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}
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// DataUsageInfo - returns data usage of the current object API
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func (adm *AdminClient) DataUsageInfo() (DataUsageInfo, error) {
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resp, err := adm.executeMethod("GET", requestData{relPath: adminAPIPrefix + "/datausageinfo"})
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defer closeResponse(resp)
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if err != nil {
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return DataUsageInfo{}, err
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}
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// Check response http status code
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if resp.StatusCode != http.StatusOK {
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return DataUsageInfo{}, httpRespToErrorResponse(resp)
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}
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// Unmarshal the server's json response
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var dataUsageInfo DataUsageInfo
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respBytes, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return DataUsageInfo{}, err
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}
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err = json.Unmarshal(respBytes, &dataUsageInfo)
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if err != nil {
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return DataUsageInfo{}, err
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}
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return dataUsageInfo, nil
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}
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// ServerDrivesPerfInfo holds informantion about address and write speed of
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// all drives in a single server node
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type ServerDrivesPerfInfo struct {
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Addr string `json:"addr"`
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Error string `json:"error,omitempty"`
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Perf []disk.Performance `json:"perf"`
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Size int64 `json:"size,omitempty"`
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}
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// ServerDrivesPerfInfo - Returns drive's read and write performance information
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func (adm *AdminClient) ServerDrivesPerfInfo(size int64) ([]ServerDrivesPerfInfo, error) {
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v := url.Values{}
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v.Set("perfType", string("drive"))
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v.Set("size", strconv.FormatInt(size, 10))
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resp, err := adm.executeMethod("GET", requestData{
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relPath: adminAPIPrefix + "/performance",
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queryValues: v,
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})
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defer closeResponse(resp)
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if err != nil {
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return nil, err
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}
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// Check response http status code
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if resp.StatusCode != http.StatusOK {
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return nil, httpRespToErrorResponse(resp)
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}
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// Unmarshal the server's json response
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var info []ServerDrivesPerfInfo
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respBytes, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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}
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err = json.Unmarshal(respBytes, &info)
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if err != nil {
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return nil, err
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}
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return info, nil
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}
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// ServerCPULoadInfo holds information about address and cpu load of
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// a single server node
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type ServerCPULoadInfo struct {
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Addr string `json:"addr"`
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Error string `json:"error,omitempty"`
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Load []cpu.Load `json:"load"`
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HistoricLoad []cpu.Load `json:"historicLoad"`
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}
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// ServerCPULoadInfo - Returns cpu utilization information
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func (adm *AdminClient) ServerCPULoadInfo() ([]ServerCPULoadInfo, error) {
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v := url.Values{}
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v.Set("perfType", string("cpu"))
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resp, err := adm.executeMethod("GET", requestData{
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relPath: adminAPIPrefix + "/performance",
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queryValues: v,
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})
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defer closeResponse(resp)
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if err != nil {
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return nil, err
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}
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// Check response http status code
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if resp.StatusCode != http.StatusOK {
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return nil, httpRespToErrorResponse(resp)
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}
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// Unmarshal the server's json response
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var info []ServerCPULoadInfo
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respBytes, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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}
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err = json.Unmarshal(respBytes, &info)
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if err != nil {
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return nil, err
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}
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return info, nil
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}
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// ServerMemUsageInfo holds information about address and memory utilization of
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// a single server node
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type ServerMemUsageInfo struct {
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Addr string `json:"addr"`
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Error string `json:"error,omitempty"`
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Usage []mem.Usage `json:"usage"`
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HistoricUsage []mem.Usage `json:"historicUsage"`
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}
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// ServerMemUsageInfo - Returns mem utilization information
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func (adm *AdminClient) ServerMemUsageInfo() ([]ServerMemUsageInfo, error) {
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v := url.Values{}
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v.Set("perfType", string("mem"))
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resp, err := adm.executeMethod("GET", requestData{
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relPath: adminAPIPrefix + "/performance",
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queryValues: v,
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})
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defer closeResponse(resp)
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if err != nil {
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return nil, err
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}
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// Check response http status code
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if resp.StatusCode != http.StatusOK {
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return nil, httpRespToErrorResponse(resp)
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}
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// Unmarshal the server's json response
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var info []ServerMemUsageInfo
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respBytes, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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}
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err = json.Unmarshal(respBytes, &info)
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if err != nil {
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return nil, err
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}
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return info, nil
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}
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// NetPerfInfo network performance information.
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type NetPerfInfo struct {
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Addr string `json:"addr"`
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ReadThroughput uint64 `json:"readThroughput"`
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Error string `json:"error,omitempty"`
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}
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// NetPerfInfo - Returns network performance information of all cluster nodes.
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func (adm *AdminClient) NetPerfInfo(size int) (map[string][]NetPerfInfo, error) {
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v := url.Values{}
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v.Set("perfType", "net")
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if size > 0 {
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v.Set("size", strconv.Itoa(size))
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}
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resp, err := adm.executeMethod("GET", requestData{
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relPath: adminAPIPrefix + "/performance",
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queryValues: v,
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})
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defer closeResponse(resp)
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if err != nil {
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return nil, err
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}
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// Check response http status code
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if resp.StatusCode == http.StatusMethodNotAllowed {
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return nil, errors.New("NetPerfInfo is meant for multi-node MinIO deployments")
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}
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if resp.StatusCode != http.StatusOK {
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return nil, httpRespToErrorResponse(resp)
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}
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// Unmarshal the server's json response
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info := map[string][]NetPerfInfo{}
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respBytes, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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}
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err = json.Unmarshal(respBytes, &info)
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if err != nil {
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return nil, err
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}
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return info, nil
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}
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// InfoMessage container to hold server admin related information.
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type InfoMessage struct {
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Mode string `json:"mode,omitempty"`
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Domain []string `json:"domain,omitempty"`
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Region string `json:"region,omitempty"`
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SQSARN []string `json:"sqsARN,omitempty"`
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DeploymentID string `json:"deploymentID,omitempty"`
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Buckets Buckets `json:"buckets,omitempty"`
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Objects Objects `json:"objects,omitempty"`
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Usage Usage `json:"usage,omitempty"`
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Services Services `json:"services,omitempty"`
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Backend interface{} `json:"backend,omitempty"`
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Servers []ServerProperties `json:"servers,omitempty"`
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}
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// Services contains different services information
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type Services struct {
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Vault Vault `json:"vault,omitempty"`
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LDAP LDAP `json:"ldap,omitempty"`
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Logger []Logger `json:"logger,omitempty"`
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Audit []Audit `json:"audit,omitempty"`
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Notifications []map[string][]TargetIDStatus `json:"notifications,omitempty"`
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}
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// Buckets contains the number of buckets
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type Buckets struct {
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Count uint64 `json:"count,omitempty"`
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}
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// Objects contains the number of objects
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type Objects struct {
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Count uint64 `json:"count,omitempty"`
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}
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// Usage contains the tottal size used
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type Usage struct {
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Size uint64 `json:"size,omitempty"`
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}
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// Vault - Fetches the Vault status
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type Vault struct {
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Status string `json:"status,omitempty"`
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Encrypt string `json:"encryp,omitempty"`
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Decrypt string `json:"decrypt,omitempty"`
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Update string `json:"update,omitempty"`
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}
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// LDAP contains ldap status
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type LDAP struct {
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Status string `json:"status,omitempty"`
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}
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// Status of endpoint
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type Status struct {
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Status string `json:"status,omitempty"`
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}
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// Audit contains audit logger status
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type Audit map[string]Status
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// Logger contains logger status
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type Logger map[string]Status
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// TargetIDStatus containsid and status
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type TargetIDStatus map[string]Status
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// backendType - indicates the type of backend storage
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type backendType string
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const (
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// FsType - Backend is FS Type
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FsType = backendType("FS")
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// ErasureType - Backend is Erasure type
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ErasureType = backendType("Erasure")
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)
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// FsBackend contains specific FS storage information
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type FsBackend struct {
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Type backendType `json:"backendType,omitempty"`
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}
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// XlBackend contains specific erasure storage information
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type XlBackend struct {
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Type backendType `json:"backendType,omitempty"`
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OnlineDisks int `json:"onlineDisks,omitempty"`
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OfflineDisks int `json:"offlineDisks,omitempty"`
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// Data disks for currently configured Standard storage class.
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StandardSCData int `json:"standardSCData,omitempty"`
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// Parity disks for currently configured Standard storage class.
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StandardSCParity int `json:"standardSCParity,omitempty"`
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// Data disks for currently configured Reduced Redundancy storage class.
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RRSCData int `json:"rrSCData,omitempty"`
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// Parity disks for currently configured Reduced Redundancy storage class.
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RRSCParity int `json:"rrSCParity,omitempty"`
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}
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// ServerProperties holds server information
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type ServerProperties struct {
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State string `json:"state,omitempty"`
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Endpoint string `json:"endpoint,omitempty"`
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Uptime int64 `json:"uptime,omitempty"`
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Version string `json:"version,omitempty"`
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CommitID string `json:"commitID,omitempty"`
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Network map[string]string `json:"network,omitempty"`
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Disks []Disk `json:"disks,omitempty"`
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}
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// Disk holds Disk information
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type Disk struct {
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DrivePath string `json:"path,omitempty"`
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State string `json:"state,omitempty"`
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UUID string `json:"uuid,omitempty"`
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Model string `json:"model,omitempty"`
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TotalSpace uint64 `json:"totalspace,omitempty"`
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UsedSpace uint64 `json:"usedspace,omitempty"`
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ReadThroughput float64 `json:"readthroughput,omitempty"`
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WriteThroughPut float64 `json:"writethroughput,omitempty"`
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ReadLatency float64 `json:"readlatency,omitempty"`
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WriteLatency float64 `json:"writelatency,omitempty"`
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Utilization float64 `json:"utilization,omitempty"`
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}
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// ServerInfo - Connect to a minio server and call Server Admin Info Management API
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// to fetch server's information represented by infoMessage structure
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func (adm *AdminClient) ServerInfo() (InfoMessage, error) {
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resp, err := adm.executeMethod("GET", requestData{relPath: adminAPIPrefix + "/info"})
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defer closeResponse(resp)
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if err != nil {
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return InfoMessage{}, err
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}
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// Check response http status code
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if resp.StatusCode != http.StatusOK {
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return InfoMessage{}, httpRespToErrorResponse(resp)
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}
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|
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// Unmarshal the server's json response
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var message InfoMessage
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respBytes, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return InfoMessage{}, err
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}
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err = json.Unmarshal(respBytes, &message)
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if err != nil {
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return InfoMessage{}, err
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}
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return message, nil
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}
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