lotus/curiosrc/web/hapi/simpleinfo.go

package hapi

import (
	"bytes"
	"context"
	"fmt"
	"net/http"
	"os"
	"sort"
	"strconv"
	"strings"
	"sync"
	"text/template"
	"time"

	"github.com/dustin/go-humanize"
	"github.com/gorilla/mux"
	"github.com/samber/lo"
	"golang.org/x/xerrors"

	"github.com/filecoin-project/go-address"

	"github.com/filecoin-project/lotus/api/v1api"
	"github.com/filecoin-project/lotus/chain/actors/adt"
	"github.com/filecoin-project/lotus/chain/types"
	"github.com/filecoin-project/lotus/lib/harmony/harmonydb"
	"github.com/filecoin-project/lotus/lib/must"
	"github.com/filecoin-project/lotus/storage/paths"
	"github.com/filecoin-project/lotus/storage/sealer/storiface"
)

type app struct {
	db *harmonydb.DB
	t  *template.Template

	rpcInfoLk  sync.Mutex
	workingApi v1api.FullNode
	stor       adt.Store

	actorInfoLk sync.Mutex
	actorInfos  []actorInfo
}

type actorInfo struct {
	Address string
	CLayers []string

	QualityAdjustedPower string
	RawBytePower         string

	ActorBalance, ActorAvailable, WorkerBalance string

	Win1, Win7, Win30 int64

	Deadlines []actorDeadline
}

type actorDeadline struct {
	Empty      bool
	Current    bool
	Proven     bool
	PartFaulty bool
	Faulty     bool
}

func (a *app) actorSummary(w http.ResponseWriter, r *http.Request) {
	a.actorInfoLk.Lock()
	defer a.actorInfoLk.Unlock()

	a.executeTemplate(w, "actor_summary", a.actorInfos)
}

func (a *app) indexMachines(w http.ResponseWriter, r *http.Request) {
	s, err := a.clusterMachineSummary(r.Context())
	if err != nil {
		log.Errorf("cluster machine summary: %v", err)
		http.Error(w, "internal server error", http.StatusInternalServerError)
		return
	}

	a.executeTemplate(w, "cluster_machines", s)
}

func (a *app) indexTasks(w http.ResponseWriter, r *http.Request) {
	s, err := a.clusterTaskSummary(r.Context())
	if err != nil {
		log.Errorf("cluster task summary: %v", err)
		http.Error(w, "internal server error", http.StatusInternalServerError)
		return
	}

	a.executeTemplate(w, "cluster_tasks", s)
}

func (a *app) indexTasksHistory(w http.ResponseWriter, r *http.Request) {
	s, err := a.clusterTaskHistorySummary(r.Context())
	if err != nil {
		log.Errorf("cluster task history summary: %v", err)
		http.Error(w, "internal server error", http.StatusInternalServerError)
		return
	}

	a.executeTemplate(w, "cluster_task_history", s)
}

func (a *app) indexPipelinePorep(w http.ResponseWriter, r *http.Request) {
	s, err := a.porepPipelineSummary(r.Context())
	if err != nil {
		log.Errorf("porep pipeline summary: %v", err)
		http.Error(w, "internal server error", http.StatusInternalServerError)
		return
	}

	a.executeTemplate(w, "pipeline_porep", s)
}

func (a *app) nodeInfo(writer http.ResponseWriter, request *http.Request) {
	params := mux.Vars(request)

	id, ok := params["id"]
	if !ok {
		http.Error(writer, "missing id", http.StatusBadRequest)
		return
	}

	intid, err := strconv.ParseInt(id, 10, 64)
	if err != nil {
		http.Error(writer, "invalid id", http.StatusBadRequest)
		return
	}

	mi, err := a.clusterNodeInfo(request.Context(), intid)
	if err != nil {
		log.Errorf("machine info: %v", err)
		http.Error(writer, "internal server error", http.StatusInternalServerError)
		return
	}

	a.executePageTemplate(writer, "node_info", "Node Info", mi)
}

func (a *app) sectorInfo(w http.ResponseWriter, r *http.Request) {
	params := mux.Vars(r)

	id, ok := params["id"]
	if !ok {
		http.Error(w, "missing id", http.StatusBadRequest)
		return
	}

	intid, err := strconv.ParseInt(id, 10, 64)
	if err != nil {
		http.Error(w, "invalid id", http.StatusBadRequest)
		return
	}

	sp, ok := params["sp"]
	if !ok {
		http.Error(w, "missing sp", http.StatusBadRequest)
		return
	}

	maddr, err := address.NewFromString(sp)
	if err != nil {
		http.Error(w, "invalid sp", http.StatusBadRequest)
		return
	}

	spid, err := address.IDFromAddress(maddr)
	if err != nil {
		http.Error(w, "invalid sp", http.StatusBadRequest)
		return
	}

	ctx := r.Context()
	var tasks []PipelineTask

	err = a.db.Select(ctx, &tasks, `SELECT 
       sp_id, sector_number,
       create_time,
       task_id_sdr, after_sdr,
       task_id_tree_d, after_tree_d,
       task_id_tree_c, after_tree_c,
       task_id_tree_r, after_tree_r,
       task_id_precommit_msg, after_precommit_msg,
       after_precommit_msg_success, seed_epoch,
       task_id_porep, porep_proof, after_porep,
       task_id_finalize, after_finalize,
       task_id_move_storage, after_move_storage,
       task_id_commit_msg, after_commit_msg,
       after_commit_msg_success,
       failed, failed_reason
    FROM sectors_sdr_pipeline WHERE sp_id = $1 AND sector_number = $2`, spid, intid)
	if err != nil {
		http.Error(w, xerrors.Errorf("failed to fetch pipeline task info: %w", err).Error(), http.StatusInternalServerError)
		return
	}

	if len(tasks) == 0 {
		http.Error(w, "sector not found", http.StatusInternalServerError)
		return
	}

	head, err := a.workingApi.ChainHead(ctx)
	if err != nil {
		http.Error(w, xerrors.Errorf("failed to fetch chain head: %w", err).Error(), http.StatusInternalServerError)
		return
	}
	epoch := head.Height()

	mbf, err := a.getMinerBitfields(ctx, maddr, a.stor)
	if err != nil {
		http.Error(w, xerrors.Errorf("failed to load miner bitfields: %w", err).Error(), http.StatusInternalServerError)
		return
	}

	task := tasks[0]

	afterSeed := task.SeedEpoch != nil && *task.SeedEpoch <= int64(epoch)

	var sectorLocations []struct {
		CanSeal, CanStore bool
		FileType          storiface.SectorFileType `db:"sector_filetype"`
		StorageID         string                   `db:"storage_id"`
		Urls              string                   `db:"urls"`
	}

	err = a.db.Select(ctx, &sectorLocations, `SELECT p.can_seal, p.can_store, l.sector_filetype, l.storage_id, p.urls FROM sector_location l
    JOIN storage_path p ON l.storage_id = p.storage_id
    WHERE l.sector_num = $1 and l.miner_id = $2 ORDER BY p.can_seal, p.can_store, l.storage_id`, intid, spid)
	if err != nil {
		http.Error(w, xerrors.Errorf("failed to fetch sector locations: %w", err).Error(), http.StatusInternalServerError)
		return
	}

	type fileLocations struct {
		StorageID string
		Urls      []string
	}

	type locationTable struct {
		PathType        *string
		PathTypeRowSpan int

		FileType        *string
		FileTypeRowSpan int

		Locations []fileLocations
	}
	locs := []locationTable{}

	for i, loc := range sectorLocations {
		loc := loc

		urlList := strings.Split(loc.Urls, paths.URLSeparator)

		fLoc := fileLocations{
			StorageID: loc.StorageID,
			Urls:      urlList,
		}

		var pathTypeStr *string
		var fileTypeStr *string
		pathTypeRowSpan := 1
		fileTypeRowSpan := 1

		pathType := "None"
		if loc.CanSeal && loc.CanStore {
			pathType = "Seal/Store"
		} else if loc.CanSeal {
			pathType = "Seal"
		} else if loc.CanStore {
			pathType = "Store"
		}
		pathTypeStr = &pathType

		fileType := loc.FileType.String()
		fileTypeStr = &fileType

		if i > 0 {
			prevNonNilPathTypeLoc := i - 1
			for prevNonNilPathTypeLoc > 0 && locs[prevNonNilPathTypeLoc].PathType == nil {
				prevNonNilPathTypeLoc--
			}
			if *locs[prevNonNilPathTypeLoc].PathType == *pathTypeStr {
				pathTypeRowSpan = 0
				pathTypeStr = nil
				locs[prevNonNilPathTypeLoc].PathTypeRowSpan++
				// only if we have extended path type we may need to extend file type

				prevNonNilFileTypeLoc := i - 1
				for prevNonNilFileTypeLoc > 0 && locs[prevNonNilFileTypeLoc].FileType == nil {
					prevNonNilFileTypeLoc--
				}
				if *locs[prevNonNilFileTypeLoc].FileType == *fileTypeStr {
					fileTypeRowSpan = 0
					fileTypeStr = nil
					locs[prevNonNilFileTypeLoc].FileTypeRowSpan++
				}
			}
		}

		locTable := locationTable{
			PathType:        pathTypeStr,
			PathTypeRowSpan: pathTypeRowSpan,
			FileType:        fileTypeStr,
			FileTypeRowSpan: fileTypeRowSpan,
			Locations:       []fileLocations{fLoc},
		}

		locs = append(locs, locTable)

	}

	// Pieces
	type sectorPieceMeta struct {
		PieceIndex int64  `db:"piece_index"`
		PieceCid   string `db:"piece_cid"`
		PieceSize  int64  `db:"piece_size"`

		DataUrl          string `db:"data_url"`
		DataRawSize      int64  `db:"data_raw_size"`
		DeleteOnFinalize bool   `db:"data_delete_on_finalize"`

		F05PublishCid *string `db:"f05_publish_cid"`
		F05DealID     *int64  `db:"f05_deal_id"`

		DDOPam *string `db:"direct_piece_activation_manifest"`

		// display
		StrPieceSize   string `db:"-"`
		StrDataRawSize string `db:"-"`

		// piece park
		IsParkedPiece          bool      `db:"-"`
		IsParkedPieceFound     bool      `db:"-"`
		PieceParkID            int64     `db:"-"`
		PieceParkDataUrl       string    `db:"-"`
		PieceParkCreatedAt     time.Time `db:"-"`
		PieceParkComplete      bool      `db:"-"`
		PieceParkTaskID        *int64    `db:"-"`
		PieceParkCleanupTaskID *int64    `db:"-"`
	}
	var pieces []sectorPieceMeta

	err = a.db.Select(ctx, &pieces, `SELECT piece_index, piece_cid, piece_size,
       data_url, data_raw_size, data_delete_on_finalize,
       f05_publish_cid, f05_deal_id, direct_piece_activation_manifest FROM sectors_sdr_initial_pieces WHERE sp_id = $1 AND sector_number = $2`, spid, intid)
	if err != nil {
		http.Error(w, xerrors.Errorf("failed to fetch sector pieces: %w", err).Error(), http.StatusInternalServerError)
		return
	}

	for i := range pieces {
		pieces[i].StrPieceSize = types.SizeStr(types.NewInt(uint64(pieces[i].PieceSize)))
		pieces[i].StrDataRawSize = types.SizeStr(types.NewInt(uint64(pieces[i].DataRawSize)))

		id, isPiecePark := strings.CutPrefix(pieces[i].DataUrl, "pieceref:")
		if !isPiecePark {
			continue
		}

		intID, err := strconv.ParseInt(id, 10, 64)
		if err != nil {
			log.Errorw("failed to parse piece park id", "id", id, "error", err)
			continue
		}

		var parkedPiece []struct {
			// parked_piece_refs
			PieceID int64  `db:"piece_id"`
			DataUrl string `db:"data_url"`

			// parked_pieces
			CreatedAt     time.Time `db:"created_at"`
			Complete      bool      `db:"complete"`
			ParkTaskID    *int64    `db:"task_id"`
			CleanupTaskID *int64    `db:"cleanup_task_id"`
		}

		err = a.db.Select(ctx, &parkedPiece, `SELECT ppr.piece_id, ppr.data_url, pp.created_at, pp.complete, pp.task_id, pp.cleanup_task_id FROM parked_piece_refs ppr
		INNER JOIN parked_pieces pp ON pp.id = ppr.piece_id
		WHERE ppr.ref_id = $1`, intID)
		if err != nil {
			http.Error(w, xerrors.Errorf("failed to fetch parked piece: %w", err).Error(), http.StatusInternalServerError)
			return
		}

		if len(parkedPiece) == 0 {
			pieces[i].IsParkedPieceFound = false
			continue
		}

		pieces[i].IsParkedPieceFound = true
		pieces[i].IsParkedPiece = true

		pieces[i].PieceParkID = parkedPiece[0].PieceID
		pieces[i].PieceParkDataUrl = parkedPiece[0].DataUrl
		pieces[i].PieceParkCreatedAt = parkedPiece[0].CreatedAt.Local()
		pieces[i].PieceParkComplete = parkedPiece[0].Complete
		pieces[i].PieceParkTaskID = parkedPiece[0].ParkTaskID
		pieces[i].PieceParkCleanupTaskID = parkedPiece[0].CleanupTaskID
	}

	// TaskIDs
	taskIDs := map[int64]struct{}{}
	var htasks []taskSummary
	{
		// get non-nil task IDs
		appendNonNil := func(id *int64) {
			if id != nil {
				taskIDs[*id] = struct{}{}
			}
		}
		appendNonNil(task.TaskSDR)
		appendNonNil(task.TaskTreeD)
		appendNonNil(task.TaskTreeC)
		appendNonNil(task.TaskTreeR)
		appendNonNil(task.TaskPrecommitMsg)
		appendNonNil(task.TaskPoRep)
		appendNonNil(task.TaskFinalize)
		appendNonNil(task.TaskMoveStorage)
		appendNonNil(task.TaskCommitMsg)

		if len(taskIDs) > 0 {
			ids := lo.Keys(taskIDs)

			var dbtasks []struct {
				OwnerID     *string   `db:"owner_id"`
				HostAndPort *string   `db:"host_and_port"`
				TaskID      int64     `db:"id"`
				Name        string    `db:"name"`
				UpdateTime  time.Time `db:"update_time"`
			}
			err = a.db.Select(ctx, &dbtasks, `SELECT t.owner_id, hm.host_and_port, t.id, t.name, t.update_time FROM harmony_task t LEFT JOIN curio.harmony_machines hm ON hm.id = t.owner_id WHERE t.id = ANY($1)`, ids)
			if err != nil {
				http.Error(w, fmt.Sprintf("failed to fetch task names: %v", err), http.StatusInternalServerError)
				return
			}

			for _, tn := range dbtasks {
				htasks = append(htasks, taskSummary{
					Name:        tn.Name,
					SincePosted: time.Since(tn.UpdateTime.Local()).Round(time.Second).String(),
					Owner:       tn.HostAndPort,
					OwnerID:     tn.OwnerID,
					ID:          tn.TaskID,
				})
			}
		}
	}

	mi := struct {
		SectorNumber  int64
		PipelinePoRep sectorListEntry

		Pieces    []sectorPieceMeta
		Locations []locationTable
		Tasks     []taskSummary
	}{
		SectorNumber: intid,
		PipelinePoRep: sectorListEntry{
			PipelineTask: tasks[0],
			AfterSeed:    afterSeed,

			ChainAlloc:    must.One(mbf.alloc.IsSet(uint64(task.SectorNumber))),
			ChainSector:   must.One(mbf.sectorSet.IsSet(uint64(task.SectorNumber))),
			ChainActive:   must.One(mbf.active.IsSet(uint64(task.SectorNumber))),
			ChainUnproven: must.One(mbf.unproven.IsSet(uint64(task.SectorNumber))),
			ChainFaulty:   must.One(mbf.faulty.IsSet(uint64(task.SectorNumber))),
		},

		Pieces:    pieces,
		Locations: locs,
		Tasks:     htasks,
	}

	a.executePageTemplate(w, "sector_info", "Sector Info", mi)
}

var templateDev = os.Getenv("CURIO_WEB_DEV") == "1"

func (a *app) executeTemplate(w http.ResponseWriter, name string, data interface{}) {
	if templateDev {
		fs := os.DirFS("./curiosrc/web/hapi/web")
		a.t = template.Must(makeTemplate().ParseFS(fs, "*"))
	}
	if err := a.t.ExecuteTemplate(w, name, data); err != nil {
		log.Errorf("execute template %s: %v", name, err)
		http.Error(w, "internal server error", http.StatusInternalServerError)
	}
}

func (a *app) executePageTemplate(w http.ResponseWriter, name, title string, data interface{}) {
	if templateDev {
		fs := os.DirFS("./curiosrc/web/hapi/web")
		a.t = template.Must(makeTemplate().ParseFS(fs, "*"))
	}
	var contentBuf bytes.Buffer
	if err := a.t.ExecuteTemplate(&contentBuf, name, data); err != nil {
		log.Errorf("execute template %s: %v", name, err)
		http.Error(w, "internal server error", http.StatusInternalServerError)
	}
	a.executeTemplate(w, "root", map[string]interface{}{
		"PageTitle": title,
		"Content":   contentBuf.String(),
	})
}

type machineRecentTask struct {
	TaskName string
	Success  int64
	Fail     int64
}

type machineSummary struct {
	Address      string
	ID           int64
	SinceContact string

	RecentTasks  []*machineRecentTask
	Cpu          int
	RamHumanized string
	Gpu          int
}

type taskSummary struct {
	Name           string
	SincePosted    string
	Owner, OwnerID *string
	ID             int64
}

type taskHistorySummary struct {
	Name   string
	TaskID int64

	Posted, Start, Queued, Took string

	Result bool
	Err    string

	CompletedBy string
}

func (a *app) clusterMachineSummary(ctx context.Context) ([]machineSummary, error) {
	// First get task summary for tasks completed in the last 24 hours
	// NOTE: This query uses harmony_task_history_work_index, task history may get big
	tsrows, err := a.db.Query(ctx, `SELECT hist.completed_by_host_and_port, hist.name, hist.result, count(1) FROM harmony_task_history hist
	    WHERE hist.work_end > now() - INTERVAL '1 day'
	    GROUP BY hist.completed_by_host_and_port, hist.name, hist.result
	    ORDER BY completed_by_host_and_port ASC`)
	if err != nil {
		return nil, err
	}
	defer tsrows.Close()

	// Map of machine -> task -> recent task
	taskSummaries := map[string]map[string]*machineRecentTask{}

	for tsrows.Next() {
		var taskName string
		var result bool
		var count int64
		var machine string

		if err := tsrows.Scan(&machine, &taskName, &result, &count); err != nil {
			return nil, err
		}

		if _, ok := taskSummaries[machine]; !ok {
			taskSummaries[machine] = map[string]*machineRecentTask{}
		}

		if _, ok := taskSummaries[machine][taskName]; !ok {
			taskSummaries[machine][taskName] = &machineRecentTask{TaskName: taskName}
		}

		if result {
			taskSummaries[machine][taskName].Success = count
		} else {
			taskSummaries[machine][taskName].Fail = count
		}
	}

	// Then machine summary
	rows, err := a.db.Query(ctx, "SELECT id, host_and_port, CURRENT_TIMESTAMP - last_contact AS last_contact, cpu, ram, gpu FROM harmony_machines order by host_and_port asc")
	if err != nil {
		return nil, err // Handle error
	}
	defer rows.Close()

	var summaries []machineSummary
	for rows.Next() {
		var m machineSummary
		var lastContact time.Duration
		var ram int64

		if err := rows.Scan(&m.ID, &m.Address, &lastContact, &m.Cpu, &ram, &m.Gpu); err != nil {
			return nil, err // Handle error
		}
		m.SinceContact = lastContact.Round(time.Second).String()
		m.RamHumanized = humanize.Bytes(uint64(ram))

		// Add recent tasks
		if ts, ok := taskSummaries[m.Address]; ok {
			for _, t := range ts {
				m.RecentTasks = append(m.RecentTasks, t)
			}
			sort.Slice(m.RecentTasks, func(i, j int) bool {
				return m.RecentTasks[i].TaskName < m.RecentTasks[j].TaskName
			})
		}

		summaries = append(summaries, m)
	}
	return summaries, nil
}

func (a *app) clusterTaskSummary(ctx context.Context) ([]taskSummary, error) {
	rows, err := a.db.Query(ctx, "SELECT t.id, t.name, t.update_time, t.owner_id, hm.host_and_port FROM harmony_task t LEFT JOIN curio.harmony_machines hm ON hm.id = t.owner_id ORDER BY t.update_time ASC, t.owner_id")
	if err != nil {
		return nil, err // Handle error
	}
	defer rows.Close()

	var summaries []taskSummary
	for rows.Next() {
		var t taskSummary
		var posted time.Time

		if err := rows.Scan(&t.ID, &t.Name, &posted, &t.OwnerID, &t.Owner); err != nil {
			return nil, err // Handle error
		}

		t.SincePosted = time.Since(posted).Round(time.Second).String()

		summaries = append(summaries, t)
	}
	return summaries, nil
}

func (a *app) clusterTaskHistorySummary(ctx context.Context) ([]taskHistorySummary, error) {
	rows, err := a.db.Query(ctx, "SELECT id, name, task_id, posted, work_start, work_end, result, err, completed_by_host_and_port FROM harmony_task_history ORDER BY work_end DESC LIMIT 15")
	if err != nil {
		return nil, err // Handle error
	}
	defer rows.Close()

	var summaries []taskHistorySummary
	for rows.Next() {
		var t taskHistorySummary
		var posted, start, end time.Time

		if err := rows.Scan(&t.TaskID, &t.Name, &t.TaskID, &posted, &start, &end, &t.Result, &t.Err, &t.CompletedBy); err != nil {
			return nil, err // Handle error
		}

		t.Posted = posted.Local().Round(time.Second).Format("02 Jan 06 15:04")
		t.Start = start.Local().Round(time.Second).Format("02 Jan 06 15:04")
		//t.End = end.Local().Round(time.Second).Format("02 Jan 06 15:04")

		t.Queued = start.Sub(posted).Round(time.Second).String()
		if t.Queued == "0s" {
			t.Queued = start.Sub(posted).Round(time.Millisecond).String()
		}

		t.Took = end.Sub(start).Round(time.Second).String()
		if t.Took == "0s" {
			t.Took = end.Sub(start).Round(time.Millisecond).String()
		}

		summaries = append(summaries, t)
	}
	return summaries, nil
}

type porepPipelineSummary struct {
	Actor string

	CountSDR          int
	CountTrees        int
	CountPrecommitMsg int
	CountWaitSeed     int
	CountPoRep        int
	CountCommitMsg    int
	CountDone         int
	CountFailed       int
}

func (a *app) porepPipelineSummary(ctx context.Context) ([]porepPipelineSummary, error) {
	rows, err := a.db.Query(ctx, `
	SELECT 
		sp_id,
		COUNT(*) FILTER (WHERE after_sdr = false) as CountSDR,
		COUNT(*) FILTER (WHERE (after_tree_d = false OR after_tree_c = false OR after_tree_r = false) AND after_sdr = true) as CountTrees,
		COUNT(*) FILTER (WHERE after_tree_r = true and after_precommit_msg = false) as CountPrecommitMsg,
		COUNT(*) FILTER (WHERE after_precommit_msg_success = false AND after_precommit_msg = true) as CountWaitSeed,
		COUNT(*) FILTER (WHERE after_porep = false AND after_precommit_msg_success = true) as CountPoRep,
		COUNT(*) FILTER (WHERE after_commit_msg_success = false AND after_porep = true) as CountCommitMsg,
		COUNT(*) FILTER (WHERE after_commit_msg_success = true) as CountDone,
		COUNT(*) FILTER (WHERE failed = true) as CountFailed
	FROM 
		sectors_sdr_pipeline
	GROUP BY sp_id`)
	if err != nil {
		return nil, xerrors.Errorf("query: %w", err)
	}
	defer rows.Close()

	var summaries []porepPipelineSummary
	for rows.Next() {
		var summary porepPipelineSummary
		var actor int64
		if err := rows.Scan(&actor, &summary.CountSDR, &summary.CountTrees, &summary.CountPrecommitMsg, &summary.CountWaitSeed, &summary.CountPoRep, &summary.CountCommitMsg, &summary.CountDone, &summary.CountFailed); err != nil {
			return nil, xerrors.Errorf("scan: %w", err)
		}

		sactor, err := address.NewIDAddress(uint64(actor))
		if err != nil {
			return nil, xerrors.Errorf("failed to create actor address: %w", err)
		}

		summary.Actor = sactor.String()

		summaries = append(summaries, summary)
	}
	return summaries, nil
}

type machineInfo struct {
	Info struct {
		Host        string
		ID          int64
		LastContact string
		CPU         int64
		Memory      int64
		GPU         int64
	}

	// Storage
	Storage []struct {
		ID            string
		Weight        int64
		MaxStorage    int64
		CanSeal       bool
		CanStore      bool
		Groups        string
		AllowTo       string
		AllowTypes    string
		DenyTypes     string
		Capacity      int64
		Available     int64
		FSAvailable   int64
		Reserved      int64
		Used          int64
		AllowMiners   string
		DenyMiners    string
		LastHeartbeat time.Time
		HeartbeatErr  *string

		UsedPercent     float64
		ReservedPercent float64
	}

	/*TotalStorage struct {
		MaxStorage  int64
		UsedStorage int64

		MaxSealStorage  int64
		UsedSealStorage int64

		MaxStoreStorage  int64
		UsedStoreStorage int64
	}*/

	// Tasks
	RunningTasks []struct {
		ID     int64
		Task   string
		Posted string

		PoRepSector, PoRepSectorSP *int64
	}

	FinishedTasks []struct {
		ID      int64
		Task    string
		Posted  string
		Start   string
		Queued  string
		Took    string
		Outcome string
		Message string
	}
}

func (a *app) clusterNodeInfo(ctx context.Context, id int64) (*machineInfo, error) {
	rows, err := a.db.Query(ctx, "SELECT id, host_and_port, last_contact, cpu, ram, gpu FROM harmony_machines WHERE id=$1 ORDER BY host_and_port ASC", id)
	if err != nil {
		return nil, err // Handle error
	}
	defer rows.Close()

	var summaries []machineInfo
	if rows.Next() {
		var m machineInfo
		var lastContact time.Time

		if err := rows.Scan(&m.Info.ID, &m.Info.Host, &lastContact, &m.Info.CPU, &m.Info.Memory, &m.Info.GPU); err != nil {
			return nil, err
		}

		m.Info.LastContact = time.Since(lastContact).Round(time.Second).String()

		summaries = append(summaries, m)
	}

	if len(summaries) == 0 {
		return nil, xerrors.Errorf("machine not found")
	}

	// query storage info
	rows2, err := a.db.Query(ctx, "SELECT storage_id, weight, max_storage, can_seal, can_store, groups, allow_to, allow_types, deny_types, capacity, available, fs_available, reserved, used, allow_miners, deny_miners, last_heartbeat, heartbeat_err FROM storage_path WHERE urls LIKE '%' || $1 || '%'", summaries[0].Info.Host)
	if err != nil {
		return nil, err
	}

	defer rows2.Close()

	for rows2.Next() {
		var s struct {
			ID            string
			Weight        int64
			MaxStorage    int64
			CanSeal       bool
			CanStore      bool
			Groups        string
			AllowTo       string
			AllowTypes    string
			DenyTypes     string
			Capacity      int64
			Available     int64
			FSAvailable   int64
			Reserved      int64
			Used          int64
			AllowMiners   string
			DenyMiners    string
			LastHeartbeat time.Time
			HeartbeatErr  *string

			UsedPercent     float64
			ReservedPercent float64
		}
		if err := rows2.Scan(&s.ID, &s.Weight, &s.MaxStorage, &s.CanSeal, &s.CanStore, &s.Groups, &s.AllowTo, &s.AllowTypes, &s.DenyTypes, &s.Capacity, &s.Available, &s.FSAvailable, &s.Reserved, &s.Used, &s.AllowMiners, &s.DenyMiners, &s.LastHeartbeat, &s.HeartbeatErr); err != nil {
			return nil, err
		}

		s.UsedPercent = float64(s.Capacity-s.FSAvailable) * 100 / float64(s.Capacity)
		s.ReservedPercent = float64(s.Capacity-(s.FSAvailable+s.Reserved))*100/float64(s.Capacity) - s.UsedPercent

		summaries[0].Storage = append(summaries[0].Storage, s)
	}

	// tasks
	rows3, err := a.db.Query(ctx, "SELECT id, name, posted_time FROM harmony_task WHERE owner_id=$1", summaries[0].Info.ID)
	if err != nil {
		return nil, err
	}

	defer rows3.Close()

	for rows3.Next() {
		var t struct {
			ID     int64
			Task   string
			Posted string

			PoRepSector   *int64
			PoRepSectorSP *int64
		}

		var posted time.Time
		if err := rows3.Scan(&t.ID, &t.Task, &posted); err != nil {
			return nil, err
		}
		t.Posted = time.Since(posted).Round(time.Second).String()

		{
			// try to find in the porep pipeline
			rows4, err := a.db.Query(ctx, `SELECT sp_id, sector_number FROM sectors_sdr_pipeline 
            	WHERE task_id_sdr=$1
								OR task_id_tree_d=$1
								OR task_id_tree_c=$1
								OR task_id_tree_r=$1
								OR task_id_precommit_msg=$1
								OR task_id_porep=$1	
								OR task_id_commit_msg=$1
								OR task_id_finalize=$1
								OR task_id_move_storage=$1
            	    `, t.ID)
			if err != nil {
				return nil, err
			}

			if rows4.Next() {
				var spid int64
				var sector int64
				if err := rows4.Scan(&spid, &sector); err != nil {
					return nil, err
				}
				t.PoRepSector = &sector
				t.PoRepSectorSP = &spid
			}

			rows4.Close()
		}

		summaries[0].RunningTasks = append(summaries[0].RunningTasks, t)
	}

	rows5, err := a.db.Query(ctx, `SELECT name, task_id, posted, work_start, work_end, result, err FROM harmony_task_history WHERE completed_by_host_and_port = $1 ORDER BY work_end DESC LIMIT 15`, summaries[0].Info.Host)
	if err != nil {
		return nil, err
	}
	defer rows5.Close()

	for rows5.Next() {
		var ft struct {
			ID      int64
			Task    string
			Posted  string
			Start   string
			Queued  string
			Took    string
			Outcome string

			Message string
		}

		var posted, start, end time.Time
		var result bool
		if err := rows5.Scan(&ft.Task, &ft.ID, &posted, &start, &end, &result, &ft.Message); err != nil {
			return nil, err
		}

		ft.Outcome = "Success"
		if !result {
			ft.Outcome = "Failed"
		}

		// Format the times and durations
		ft.Posted = posted.Format("02 Jan 06 15:04 MST")
		ft.Start = start.Format("02 Jan 06 15:04 MST")
		ft.Queued = fmt.Sprintf("%s", start.Sub(posted).Round(time.Second).String())
		ft.Took = fmt.Sprintf("%s", end.Sub(start).Round(time.Second))

		summaries[0].FinishedTasks = append(summaries[0].FinishedTasks, ft)
	}

	return &summaries[0], nil
}