Rename restapi to api (#3176)

Signed-off-by: Daniel Valdivia <18384552+dvaldivia@users.noreply.github.com>

api/admin_health_info.go

@@ -0,0 +1,177 @@
+// This file is part of MinIO Console Server
+// Copyright (c) 2021 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 api
+
+import (
+	"bytes"
+	"context"
+	b64 "encoding/base64"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"net/http"
+	"strings"
+	"time"
+
+	"github.com/minio/console/pkg/utils"
+
+	"github.com/klauspost/compress/gzip"
+	xhttp "github.com/minio/console/pkg/http"
+	subnet "github.com/minio/console/pkg/subnet"
+	"github.com/minio/madmin-go/v3"
+	"github.com/minio/websocket"
+)
+
+// startHealthInfo starts fetching mc.ServerHealthInfo and
+// sends messages with the corresponding data on the websocket connection
+func startHealthInfo(ctx context.Context, conn WSConn, client MinioAdmin, deadline *time.Duration) error {
+	if deadline == nil {
+		return errors.New("duration can't be nil on startHealthInfo")
+	}
+
+	// Fetch info of all servers (cluster or single server)
+	healthDataTypes := []madmin.HealthDataType{
+		madmin.HealthDataTypeMinioInfo,
+		madmin.HealthDataTypeMinioConfig,
+		madmin.HealthDataTypeSysCPU,
+		madmin.HealthDataTypeSysDriveHw,
+		madmin.HealthDataTypeSysDocker,
+		madmin.HealthDataTypeSysOsInfo,
+		madmin.HealthDataTypeSysLoad,
+		madmin.HealthDataTypeSysMem,
+		madmin.HealthDataTypeSysNet,
+		madmin.HealthDataTypeSysProcess,
+	}
+	var err error
+	// Fetch info of all servers (cluster or single server)
+	healthInfo, version, err := client.serverHealthInfo(ctx, healthDataTypes, *deadline)
+	if err != nil {
+		return err
+	}
+
+	compressedDiag, err := tarGZ(healthInfo, version)
+	if err != nil {
+		return err
+	}
+	encodedDiag := b64.StdEncoding.EncodeToString(compressedDiag)
+	type messageReport struct {
+		Encoded          string      `json:"encoded"`
+		ServerHealthInfo interface{} `json:"serverHealthInfo"`
+		SubnetResponse   string      `json:"subnetResponse"`
+	}
+
+	ctx = context.WithValue(ctx, utils.ContextClientIP, conn.remoteAddress())
+	subnetResp, err := sendHealthInfoToSubnet(ctx, healthInfo, client)
+	report := messageReport{
+		Encoded:          encodedDiag,
+		ServerHealthInfo: healthInfo,
+		SubnetResponse:   subnetResp,
+	}
+	if err != nil {
+		report.SubnetResponse = fmt.Sprintf("Error: %s", err.Error())
+	}
+
+	message, err := json.Marshal(report)
+	if err != nil {
+		return err
+	}
+
+	// Send Message through websocket connection
+	return conn.writeMessage(websocket.TextMessage, message)
+}
+
+// compress and tar MinIO diagnostics output
+func tarGZ(healthInfo interface{}, version string) ([]byte, error) {
+	buffer := bytes.NewBuffer(nil)
+	gzWriter := gzip.NewWriter(buffer)
+
+	enc := json.NewEncoder(gzWriter)
+
+	header := struct {
+		Version string `json:"version"`
+	}{Version: version}
+
+	if err := enc.Encode(header); err != nil {
+		return nil, err
+	}
+
+	if err := enc.Encode(healthInfo); err != nil {
+		return nil, err
+	}
+	err := gzWriter.Close()
+	if err != nil {
+		return nil, err
+	}
+	return buffer.Bytes(), nil
+}
+
+// getHealthInfoOptionsFromReq gets duration for startHealthInfo request
+// path come as : `/health-info?deadline=2h`
+func getHealthInfoOptionsFromReq(req *http.Request) (*time.Duration, error) {
+	deadlineDuration, err := time.ParseDuration(req.FormValue("deadline"))
+	if err != nil {
+		return nil, err
+	}
+	return &deadlineDuration, nil
+}
+
+func sendHealthInfoToSubnet(ctx context.Context, healthInfo interface{}, client MinioAdmin) (string, error) {
+	filename := fmt.Sprintf("health_%d.json", time.Now().Unix())
+
+	clientIP := utils.ClientIPFromContext(ctx)
+
+	subnetUploadURL := subnet.UploadURL("health", filename)
+	subnetHTTPClient := &xhttp.Client{Client: GetConsoleHTTPClient("", clientIP)}
+	subnetTokenConfig, e := GetSubnetKeyFromMinIOConfig(ctx, client)
+	if e != nil {
+		return "", e
+	}
+	var apiKey string
+	if len(subnetTokenConfig.APIKey) != 0 {
+		apiKey = subnetTokenConfig.APIKey
+	} else {
+		apiKey, e = subnet.GetSubnetAPIKeyUsingLicense(subnetTokenConfig.License)
+		if e != nil {
+			return "", e
+		}
+	}
+	headers := subnet.UploadAuthHeaders(apiKey)
+	uploadInfo, formDataType, e := subnet.ProcessUploadInfo(healthInfo, "health", filename)
+	if e != nil {
+		return "", e
+	}
+	resp, e := subnet.UploadFileToSubnet(uploadInfo, subnetHTTPClient, subnetUploadURL, headers, formDataType)
+
+	if e != nil {
+		return "", e
+	}
+	type SubnetResponse struct {
+		ClusterURL string `json:"cluster_url,omitempty"`
+	}
+
+	var subnetResp SubnetResponse
+	e = json.Unmarshal([]byte(resp), &subnetResp)
+	if e != nil {
+		return "", e
+	}
+	if len(subnetResp.ClusterURL) != 0 {
+		subnetClusterURL := strings.ReplaceAll(subnetResp.ClusterURL, "%2f", "/")
+		return subnetClusterURL, nil
+	}
+
+	return "", ErrSubnetUploadFail
+}