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113 lines
3.3 KiB
Go
113 lines
3.3 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package madmin
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"io/ioutil"
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"net/http"
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"net/url"
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)
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// ProfilerType represents the profiler type
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// passed to the profiler subsystem.
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type ProfilerType string
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// Different supported profiler types.
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const (
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ProfilerCPU ProfilerType = "cpu" // represents CPU profiler type
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ProfilerMEM ProfilerType = "mem" // represents MEM profiler type
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ProfilerBlock ProfilerType = "block" // represents Block profiler type
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ProfilerMutex ProfilerType = "mutex" // represents Mutex profiler type
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ProfilerTrace ProfilerType = "trace" // represents Trace profiler type
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ProfilerThreads ProfilerType = "threads" // represents ThreadCreate profiler type
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ProfilerGoroutines ProfilerType = "goroutines" // represents Goroutine dumps.
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)
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// StartProfilingResult holds the result of starting
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// profiler result in a given node.
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type StartProfilingResult struct {
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NodeName string `json:"nodeName"`
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Success bool `json:"success"`
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Error string `json:"error"`
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}
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// StartProfiling makes an admin call to remotely start profiling on a standalone
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// server or the whole cluster in case of a distributed setup.
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func (adm *AdminClient) StartProfiling(ctx context.Context, profiler ProfilerType) ([]StartProfilingResult, error) {
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v := url.Values{}
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v.Set("profilerType", string(profiler))
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resp, err := adm.executeMethod(ctx,
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http.MethodPost, requestData{
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relPath: adminAPIPrefix + "/profiling/start",
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queryValues: v,
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},
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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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if resp.StatusCode != http.StatusOK {
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return nil, httpRespToErrorResponse(resp)
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}
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jsonResult, 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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var startResults []StartProfilingResult
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err = json.Unmarshal(jsonResult, &startResults)
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if err != nil {
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return nil, err
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}
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return startResults, nil
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}
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// DownloadProfilingData makes an admin call to download profiling data of a standalone
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// server or of the whole cluster in case of a distributed setup.
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func (adm *AdminClient) DownloadProfilingData(ctx context.Context) (io.ReadCloser, error) {
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path := fmt.Sprintf(adminAPIPrefix + "/profiling/download")
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resp, err := adm.executeMethod(ctx,
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http.MethodGet, requestData{
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relPath: path,
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},
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)
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if err != nil {
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closeResponse(resp)
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return nil, err
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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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if resp.Body == nil {
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return nil, errors.New("body is nil")
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}
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return resp.Body, nil
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}
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