cli/util/api.go

@@ -445,7 +445,7 @@ func GetFullNodeAPIV1LotusProvider(ctx *cli.Context, ainfoCfg []string, opts ...
 	for _, head := range heads {
 		v1api, closer, err := client.NewFullNodeRPCV1(ctx.Context, head.addr, head.header, rpcOpts...)
 		if err != nil {
-			log.Warnf("Not able to establish connection to node with addr: %s", head.addr)
+			log.Warnf("Not able to establish connection to node with addr: %s, Reason: %s", head.addr, err.Error())
 			continue
 		}
 		fullNodes = append(fullNodes, v1api)

cmd/lotus-provider/config.go

@@ -14,6 +14,7 @@ import (
 	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/lotus/cmd/lotus-provider/deps"
+	"github.com/filecoin-project/lotus/lib/harmony/harmonydb"
 	"github.com/filecoin-project/lotus/node/config"
 )
 
@@ -108,9 +109,8 @@ var configSetCmd = &cli.Command{
 		}
 		_ = lp
 
-		_, err = db.Exec(context.Background(),
+		err = setConfig(db, name, string(bytes))
-			`INSERT INTO harmony_config (title, config) VALUES ($1, $2) 
+
-			ON CONFLICT (title) DO UPDATE SET config = excluded.config`, name, string(bytes))
 		if err != nil {
 			return fmt.Errorf("unable to save config layer: %w", err)
 		}
@@ -120,6 +120,13 @@ var configSetCmd = &cli.Command{
 	},
 }
 
+func setConfig(db *harmonydb.DB, name, config string) error {
+	_, err := db.Exec(context.Background(),
+		`INSERT INTO harmony_config (title, config) VALUES ($1, $2) 
+			ON CONFLICT (title) DO UPDATE SET config = excluded.config`, name, config)
+	return err
+}
+
 var configGetCmd = &cli.Command{
 	Name:      "get",
 	Aliases:   []string{"cat", "show"},
@@ -135,8 +142,7 @@ var configGetCmd = &cli.Command{
 			return err
 		}
 
-		var cfg string
+		cfg, err := getConfig(db, args.First())
-		err = db.QueryRow(context.Background(), `SELECT config FROM harmony_config WHERE title=$1`, args.First()).Scan(&cfg)
 		if err != nil {
 			return err
 		}
@@ -146,6 +152,15 @@ var configGetCmd = &cli.Command{
 	},
 }
 
+func getConfig(db *harmonydb.DB, layer string) (string, error) {
+	var cfg string
+	err := db.QueryRow(context.Background(), `SELECT config FROM harmony_config WHERE title=$1`, layer).Scan(&cfg)
+	if err != nil {
+		return "", err
+	}
+	return cfg, nil
+}
+
 var configListCmd = &cli.Command{
 	Name:    "list",
 	Aliases: []string{"ls"},

cmd/lotus-provider/deps/deps.go

@@ -9,6 +9,7 @@ import (
 	"fmt"
 	"net"
 	"net/http"
+	"os"
 	"strings"
 
 	"github.com/BurntSushi/toml"
@@ -176,7 +177,11 @@ func (deps *Deps) PopulateRemainingDeps(ctx context.Context, cctx *cli.Context,
 
 	if deps.Full == nil {
 		var fullCloser func()
-		deps.Full, fullCloser, err = cliutil.GetFullNodeAPIV1LotusProvider(cctx, deps.Cfg.Apis.ChainApiInfo)
+		cfgApiInfo := deps.Cfg.Apis.ChainApiInfo
+		if v := os.Getenv("FULLNODE_API_INFO"); v != "" {
+			cfgApiInfo = []string{v}
+		}
+		deps.Full, fullCloser, err = cliutil.GetFullNodeAPIV1LotusProvider(cctx, cfgApiInfo)
 		if err != nil {
 			return err
 		}
@@ -267,6 +272,7 @@ func GetConfig(cctx *cli.Context, db *harmonydb.DB) (*config.LotusProviderConfig
 		for _, k := range meta.Keys() {
 			have = append(have, strings.Join(k, " "))
 		}
+		log.Infow("Using layer", "layer", layer, "config", lp)
 	}
 	_ = have // FUTURE: verify that required fields are here.
 	// If config includes 3rd-party config, consider JSONSchema as a way that

cmd/lotus-provider/main.go

@@ -46,6 +46,7 @@ func main() {
 		stopCmd,
 		configCmd,
 		testCmd,
+		webCmd,
 		//backupCmd,
 		//lcli.WithCategory("chain", actorCmd),
 		//lcli.WithCategory("storage", sectorsCmd),

cmd/lotus-provider/rpc/rpc.go

@@ -13,6 +13,7 @@ import (
 	"github.com/gorilla/mux"
 	logging "github.com/ipfs/go-log/v2"
 	"go.opencensus.io/tag"
+	"golang.org/x/sync/errgroup"
 	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/go-jsonrpc"
@@ -20,6 +21,7 @@ import (
 
 	"github.com/filecoin-project/lotus/api"
 	"github.com/filecoin-project/lotus/cmd/lotus-provider/deps"
+	"github.com/filecoin-project/lotus/cmd/lotus-provider/web"
 	"github.com/filecoin-project/lotus/lib/rpcenc"
 	"github.com/filecoin-project/lotus/metrics"
 	"github.com/filecoin-project/lotus/metrics/proxy"
@@ -126,15 +128,29 @@ func ListenAndServe(ctx context.Context, dependencies *deps.Deps, shutdownChan c
 		Addr: dependencies.ListenAddr,
 	}
 
+	log.Infof("Setting up RPC server at %s", dependencies.ListenAddr)
+	eg := errgroup.Group{}
+	eg.Go(srv.ListenAndServe)
+
+	if dependencies.Cfg.Subsystems.EnableWebGui {
+		web, err := web.GetSrv(ctx, dependencies)
+		if err != nil {
+			return err
+		}
+
 		go func() {
 			<-ctx.Done()
 			log.Warn("Shutting down...")
 			if err := srv.Shutdown(context.TODO()); err != nil {
 				log.Errorf("shutting down RPC server failed: %s", err)
 			}
+			if err := web.Shutdown(context.Background()); err != nil {
+				log.Errorf("shutting down web server failed: %s", err)
+			}
 			log.Warn("Graceful shutdown successful")
 		}()
-
+		log.Infof("Setting up web server at %s", dependencies.Cfg.Subsystems.GuiAddress)
-	log.Infof("Setting up RPC server at %s", dependencies.ListenAddr)
+		eg.Go(web.ListenAndServe)
-	return srv.ListenAndServe()
+	}
+	return eg.Wait()
 }

cmd/lotus-provider/run.go

@@ -1,11 +1,14 @@
 package main
 
 import (
+	"bytes"
 	"context"
 	"fmt"
 	"os"
+	"strings"
 	"time"
 
+	"github.com/BurntSushi/toml"
 	"github.com/pkg/errors"
 	"github.com/urfave/cli/v2"
 	"go.opencensus.io/stats"
@@ -19,6 +22,7 @@ import (
 	"github.com/filecoin-project/lotus/lib/ulimit"
 	"github.com/filecoin-project/lotus/metrics"
 	"github.com/filecoin-project/lotus/node"
+	"github.com/filecoin-project/lotus/node/config"
 )
 
 type stackTracer interface {
@@ -113,10 +117,8 @@ var runCmd = &cli.Command{
 			}
 		}
 
-		fmt.Println("before populateRemainingDeps")
 		dependencies := &deps.Deps{}
 		err = dependencies.PopulateRemainingDeps(ctx, cctx, true)
-		fmt.Println("after popdeps")
 		if err != nil {
 			fmt.Println("err", err)
 			return err
@@ -142,3 +144,51 @@ var runCmd = &cli.Command{
 		return nil
 	},
 }
+
+var webCmd = &cli.Command{
+	Name:  "web",
+	Usage: "Start lotus provider web interface",
+	Description: `Start an instance of lotus provider web interface. 
+	This creates the 'web' layer if it does not exist, then calls run with that layer.`,
+	Flags: []cli.Flag{
+		&cli.StringFlag{
+			Name:  "listen",
+			Usage: "Address to listen on",
+			Value: "127.0.0.1:4701",
+		},
+		&cli.StringSliceFlag{
+			Name:  "layers",
+			Usage: "list of layers to be interpreted (atop defaults). Default: base. Web will be added",
+			Value: cli.NewStringSlice("base"),
+		},
+		&cli.BoolFlag{
+			Name:  "nosync",
+			Usage: "don't check full-node sync status",
+		},
+	},
+	Action: func(cctx *cli.Context) error {
+		db, err := deps.MakeDB(cctx)
+		if err != nil {
+			return err
+		}
+
+		webtxt, err := getConfig(db, "web")
+		if err != nil || webtxt == "" {
+			cfg := config.DefaultLotusProvider()
+			cfg.Subsystems.EnableWebGui = true
+			var b bytes.Buffer
+			if err = toml.NewEncoder(&b).Encode(cfg); err != nil {
+				return err
+			}
+			if err = setConfig(db, "web", b.String()); err != nil {
+				return err
+			}
+		}
+		layers := append([]string{"web"}, cctx.StringSlice("layers")...)
+		err = cctx.Set("layers", strings.Join(layers, ","))
+		if err != nil {
+			return err
+		}
+		return runCmd.Action(cctx)
+	},
+}

cmd/lotus-provider/web/api/debug/debug.go

@@ -0,0 +1,229 @@
+// Package debug provides the API for various debug endpoints in lotus-provider.
+package debug
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"sort"
+	"sync"
+	"time"
+
+	"github.com/BurntSushi/toml"
+	"github.com/gorilla/mux"
+	logging "github.com/ipfs/go-log/v2"
+	"golang.org/x/xerrors"
+
+	"github.com/filecoin-project/lotus/api/client"
+	"github.com/filecoin-project/lotus/build"
+	cliutil "github.com/filecoin-project/lotus/cli/util"
+	"github.com/filecoin-project/lotus/cmd/lotus-provider/deps"
+)
+
+var log = logging.Logger("lp/web/debug")
+
+type debug struct {
+	*deps.Deps
+}
+
+func Routes(r *mux.Router, deps *deps.Deps) {
+	d := debug{deps}
+	r.HandleFunc("/chain-state-sse", d.chainStateSSE)
+}
+
+type rpcInfo struct {
+	Address   string
+	CLayers   []string
+	Reachable bool
+	SyncState string
+	Version   string
+}
+
+func (d *debug) chainStateSSE(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Access-Control-Allow-Origin", "*")
+	w.Header().Set("Access-Control-Allow-Headers", "Content-Type")
+	w.Header().Set("Content-Type", "text/event-stream")
+	w.Header().Set("Cache-Control", "no-cache")
+	w.Header().Set("Connection", "keep-alive")
+
+	ctx := r.Context()
+
+	for {
+
+		type minimalApiInfo struct {
+			Apis struct {
+				ChainApiInfo []string
+			}
+		}
+
+		rpcInfos := map[string]minimalApiInfo{} // config name -> api info
+		confNameToAddr := map[string]string{}   // config name -> api address
+
+		err := forEachConfig[minimalApiInfo](d, func(name string, info minimalApiInfo) error {
+			if len(info.Apis.ChainApiInfo) == 0 {
+				return nil
+			}
+
+			rpcInfos[name] = info
+
+			for _, addr := range info.Apis.ChainApiInfo {
+				ai := cliutil.ParseApiInfo(addr)
+				confNameToAddr[name] = ai.Addr
+			}
+
+			return nil
+		})
+		if err != nil {
+			log.Errorw("getting api info", "error", err)
+			return
+		}
+
+		dedup := map[string]bool{} // for dedup by address
+
+		infos := map[string]rpcInfo{} // api address -> rpc info
+		var infosLk sync.Mutex
+
+		var wg sync.WaitGroup
+		for _, info := range rpcInfos {
+			ai := cliutil.ParseApiInfo(info.Apis.ChainApiInfo[0])
+			if dedup[ai.Addr] {
+				continue
+			}
+			dedup[ai.Addr] = true
+			wg.Add(1)
+			go func() {
+				defer wg.Done()
+				var clayers []string
+				for layer, a := range confNameToAddr {
+					if a == ai.Addr {
+						clayers = append(clayers, layer)
+					}
+				}
+
+				myinfo := rpcInfo{
+					Address:   ai.Addr,
+					Reachable: false,
+					CLayers:   clayers,
+				}
+				defer func() {
+					infosLk.Lock()
+					defer infosLk.Unlock()
+					infos[ai.Addr] = myinfo
+				}()
+				da, err := ai.DialArgs("v1")
+				if err != nil {
+					log.Warnw("DialArgs", "error", err)
+					return
+				}
+
+				ah := ai.AuthHeader()
+
+				v1api, closer, err := client.NewFullNodeRPCV1(ctx, da, ah)
+				if err != nil {
+					log.Warnf("Not able to establish connection to node with addr: %s", ai.Addr)
+					return
+				}
+				defer closer()
+
+				ver, err := v1api.Version(ctx)
+				if err != nil {
+					log.Warnw("Version", "error", err)
+					return
+				}
+
+				head, err := v1api.ChainHead(ctx)
+				if err != nil {
+					log.Warnw("ChainHead", "error", err)
+					return
+				}
+
+				var syncState string
+				switch {
+				case time.Now().Unix()-int64(head.MinTimestamp()) < int64(build.BlockDelaySecs*3/2): // within 1.5 epochs
+					syncState = "ok"
+				case time.Now().Unix()-int64(head.MinTimestamp()) < int64(build.BlockDelaySecs*5): // within 5 epochs
+					syncState = fmt.Sprintf("slow (%s behind)", time.Since(time.Unix(int64(head.MinTimestamp()), 0)).Truncate(time.Second))
+				default:
+					syncState = fmt.Sprintf("behind (%s behind)", time.Since(time.Unix(int64(head.MinTimestamp()), 0)).Truncate(time.Second))
+				}
+
+				myinfo = rpcInfo{
+					Address:   ai.Addr,
+					CLayers:   clayers,
+					Reachable: true,
+					Version:   ver.Version,
+					SyncState: syncState,
+				}
+			}()
+		}
+		wg.Wait()
+
+		var infoList []rpcInfo
+		for _, i := range infos {
+			infoList = append(infoList, i)
+		}
+		sort.Slice(infoList, func(i, j int) bool {
+			return infoList[i].Address < infoList[j].Address
+		})
+
+		fmt.Fprintf(w, "data: ")
+		err = json.NewEncoder(w).Encode(&infoList)
+		if err != nil {
+			log.Warnw("json encode", "error", err)
+			return
+		}
+		fmt.Fprintf(w, "\n\n")
+		if f, ok := w.(http.Flusher); ok {
+			f.Flush()
+		}
+
+		time.Sleep(time.Duration(build.BlockDelaySecs) * time.Second)
+
+		select { // stop running if there is reader.
+		case <-ctx.Done():
+			return
+		default:
+		}
+	}
+}
+
+func forEachConfig[T any](a *debug, cb func(name string, v T) error) error {
+	confs, err := a.loadConfigs(context.Background())
+	if err != nil {
+		return err
+	}
+
+	for name, tomlStr := range confs { // todo for-each-config
+		var info T
+		if err := toml.Unmarshal([]byte(tomlStr), &info); err != nil {
+			return xerrors.Errorf("unmarshaling %s config: %w", name, err)
+		}
+
+		if err := cb(name, info); err != nil {
+			return xerrors.Errorf("cb: %w", err)
+		}
+	}
+
+	return nil
+}
+
+func (d *debug) loadConfigs(ctx context.Context) (map[string]string, error) {
+	//err := db.QueryRow(cctx.Context, `SELECT config FROM harmony_config WHERE title=$1`, layer).Scan(&text)
+
+	rows, err := d.DB.Query(ctx, `SELECT title, config FROM harmony_config`)
+	if err != nil {
+		return nil, xerrors.Errorf("getting db configs: %w", err)
+	}
+
+	configs := make(map[string]string)
+	for rows.Next() {
+		var title, config string
+		if err := rows.Scan(&title, &config); err != nil {
+			return nil, xerrors.Errorf("scanning db configs: %w", err)
+		}
+		configs[title] = config
+	}
+
+	return configs, nil
+}

cmd/lotus-provider/web/api/routes.go

@@ -0,0 +1,13 @@
+// Package api provides the HTTP API for the lotus provider web gui.
+package api
+
+import (
+	"github.com/gorilla/mux"
+
+	"github.com/filecoin-project/lotus/cmd/lotus-provider/deps"
+	"github.com/filecoin-project/lotus/cmd/lotus-provider/web/api/debug"
+)
+
+func Routes(r *mux.Router, deps *deps.Deps) {
+	debug.Routes(r.PathPrefix("/debug").Subrouter(), deps)
+}

cmd/lotus-provider/web/hapi/routes.go

@@ -0,0 +1,35 @@
+package hapi
+
+import (
+	"embed"
+	"html/template"
+
+	"github.com/gorilla/mux"
+	logging "github.com/ipfs/go-log/v2"
+	"golang.org/x/xerrors"
+
+	"github.com/filecoin-project/lotus/cmd/lotus-provider/deps"
+)
+
+//go:embed web/*
+var templateFS embed.FS
+
+func Routes(r *mux.Router, deps *deps.Deps) error {
+	t, err := template.ParseFS(templateFS, "web/*")
+	if err != nil {
+		return xerrors.Errorf("parse templates: %w", err)
+	}
+
+	a := &app{
+		db: deps.DB,
+		t:  t,
+	}
+
+	r.HandleFunc("/simpleinfo/actorsummary", a.actorSummary)
+	r.HandleFunc("/simpleinfo/machines", a.indexMachines)
+	r.HandleFunc("/simpleinfo/tasks", a.indexTasks)
+	r.HandleFunc("/simpleinfo/taskhistory", a.indexTasksHistory)
+	return nil
+}
+
+var log = logging.Logger("lpweb")

cmd/lotus-provider/web/hapi/simpleinfo.go

@@ -0,0 +1,187 @@
+package hapi
+
+import (
+	"context"
+	"html/template"
+	"net/http"
+	"os"
+	"sync"
+	"time"
+
+	"github.com/filecoin-project/lotus/lib/harmony/harmonydb"
+)
+
+type app struct {
+	db *harmonydb.DB
+	t  *template.Template
+
+	actorInfoLk sync.Mutex
+	actorInfos  []actorInfo
+}
+
+type actorInfo struct {
+	Address string
+	CLayers []string
+
+	QualityAdjustedPower string
+	RawBytePower         string
+
+	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)
+}
+
+var templateDev = os.Getenv("LOTUS_WEB_DEV") == "1"
+
+func (a *app) executeTemplate(w http.ResponseWriter, name string, data interface{}) {
+	if templateDev {
+		fs := os.DirFS("./cmd/lotus-provider/web/hapi/web")
+		a.t = template.Must(template.ParseFS(fs, "web/*"))
+	}
+	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)
+	}
+}
+
+type machineSummary struct {
+	Address      string
+	ID           int64
+	SinceContact string
+}
+
+type taskSummary struct {
+	Name        string
+	SincePosted string
+	Owner       *string
+	ID          int64
+}
+
+type taskHistorySummary struct {
+	Name   string
+	TaskID int64
+
+	Posted, Start, End string
+
+	Result bool
+	Err    string
+
+	CompletedBy string
+}
+
+func (a *app) clusterMachineSummary(ctx context.Context) ([]machineSummary, error) {
+	rows, err := a.db.Query(ctx, "SELECT id, host_and_port, last_contact FROM harmony_machines")
+	if err != nil {
+		return nil, err // Handle error
+	}
+	defer rows.Close()
+
+	var summaries []machineSummary
+	for rows.Next() {
+		var m machineSummary
+		var lastContact time.Time
+
+		if err := rows.Scan(&m.ID, &m.Address, &lastContact); err != nil {
+			return nil, err // Handle error
+		}
+
+		m.SinceContact = time.Since(lastContact).Round(time.Second).String()
+
+		summaries = append(summaries, m)
+	}
+	return summaries, nil
+}
+
+func (a *app) clusterTaskSummary(ctx context.Context) ([]taskSummary, error) {
+	rows, err := a.db.Query(ctx, "SELECT id, name, update_time, owner_id FROM harmony_task")
+	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.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.Round(time.Second).Format("02 Jan 06 15:04")
+		t.Start = start.Round(time.Second).Format("02 Jan 06 15:04")
+		t.End = end.Round(time.Second).Format("02 Jan 06 15:04")
+
+		summaries = append(summaries, t)
+	}
+	return summaries, nil
+}

cmd/lotus-provider/web/hapi/web/actor_summary.gohtml

@@ -0,0 +1,20 @@
+{{define "actor_summary"}}
+{{range .}}
+<tr>
+    <td>{{.Address}}</td>
+    <td>
+        {{range .CLayers}}
+            <span>{{.}} </span>
+        {{end}}
+    </td>
+    <td>{{.QualityAdjustedPower}}</td>
+    <td>
+        <div class="deadline-box">
+            {{range .Deadlines}}
+            <div class="deadline-entry{{if .Current}} deadline-entry-cur{{end}}{{if .Proven}} deadline-proven{{end}}{{if .PartFaulty}} deadline-partially-faulty{{end}}{{if .Faulty}} deadline-faulty{{end}}"></div>
+            {{end}}
+        </div>
+    </td>
+</tr>
+{{end}}
+{{end}}

cmd/lotus-provider/web/hapi/web/chain_rpcs.gohtml

@@ -0,0 +1,15 @@
+{{define "chain_rpcs"}}
+{{range .}}
+<tr>
+    <td>{{.Address}}</td>
+    <td>
+        {{range .CLayers}}
+        <span>{{.}} </span>
+        {{end}}
+    </td>
+    <td>{{if .Reachable}}<span class="success">ok</span>{{else}}<span class="error">FAIL</span>{{end}}</td>
+    <td>{{if eq "ok" .SyncState}}<span class="success">ok</span>{{else}}<span class="warning">{{.SyncState}}</span>{{end}}</td>
+    <td>{{.Version}}</td>
+</tr>
+{{end}}
+{{end}}

cmd/lotus-provider/web/hapi/web/cluster_machines.gohtml

@@ -0,0 +1,10 @@
+{{define "cluster_machines"}}
+{{range .}}
+    <tr>
+        <td>{{.Address}}</td>
+        <td>{{.ID}}</td>
+        <td>todo</td>
+        <td>{{.SinceContact}}</td>
+    </tr>
+{{end}}
+{{end}}

cmd/lotus-provider/web/hapi/web/cluster_task_history.gohtml

@@ -0,0 +1,14 @@
+{{define "cluster_task_history"}}
+    {{range .}}
+        <tr>
+            <td>{{.Name}}</td>
+            <td>{{.TaskID}}</td>
+            <td>{{.CompletedBy}}</td>
+            <td>{{.Posted}}</td>
+            <td>{{.Start}}</td>
+            <td>{{.End}}</td>
+            <td>{{if .Result}}<span class="success">success</span>{{else}}<span class="error">error</span>{{end}}</td>
+            <td>{{.Err}}</td>
+        </tr>
+    {{end}}
+{{end}}

cmd/lotus-provider/web/hapi/web/cluster_tasks.gohtml

@@ -0,0 +1,10 @@
+{{define "cluster_tasks"}}
+    {{range .}}
+        <tr>
+            <td>{{.Name}}</td>
+            <td>{{.ID}}</td>
+            <td>{{.SincePosted}}</td>
+            <td>{{.Owner}}</td>
+        </tr>
+    {{end}}
+{{end}}

cmd/lotus-provider/web/srv.go

@@ -0,0 +1,84 @@
+// Package web defines the HTTP web server for static files and endpoints.
+package web
+
+import (
+	"context"
+	"embed"
+	"io"
+	"io/fs"
+	"net"
+	"net/http"
+	"os"
+	"path"
+	"strings"
+	"time"
+
+	"github.com/gorilla/mux"
+	"go.opencensus.io/tag"
+
+	"github.com/filecoin-project/lotus/cmd/lotus-provider/deps"
+	"github.com/filecoin-project/lotus/cmd/lotus-provider/web/api"
+	"github.com/filecoin-project/lotus/cmd/lotus-provider/web/hapi"
+	"github.com/filecoin-project/lotus/metrics"
+)
+
+//go:embed static
+var static embed.FS
+
+var basePath = "/static/"
+
+// An dev mode hack for no-restart changes to static and templates.
+// You still need to recomplie the binary for changes to go code.
+var webDev = os.Getenv("LOTUS_WEB_DEV") == "1"
+
+func GetSrv(ctx context.Context, deps *deps.Deps) (*http.Server, error) {
+	mx := mux.NewRouter()
+	err := hapi.Routes(mx.PathPrefix("/hapi").Subrouter(), deps)
+	if err != nil {
+		return nil, err
+	}
+	api.Routes(mx.PathPrefix("/api").Subrouter(), deps)
+
+	basePath := basePath
+
+	var static fs.FS = static
+	if webDev {
+		basePath = "cmd/lotus-provider/web/static"
+		static = os.DirFS(basePath)
+	}
+
+	mx.NotFoundHandler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		// If the request is for a directory, redirect to the index file.
+		if strings.HasSuffix(r.URL.Path, "/") {
+			r.URL.Path += "index.html"
+		}
+
+		file, err := static.Open(path.Join(basePath, r.URL.Path)[1:])
+		if err != nil {
+			w.WriteHeader(http.StatusNotFound)
+			_, _ = w.Write([]byte("404 Not Found"))
+			return
+		}
+		defer func() { _ = file.Close() }()
+
+		fileInfo, err := file.Stat()
+		if err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+			_, _ = w.Write([]byte("500 Internal Server Error"))
+			return
+		}
+
+		http.ServeContent(w, r, fileInfo.Name(), fileInfo.ModTime(), file.(io.ReadSeeker))
+	})
+
+	return &http.Server{
+		Handler: http.HandlerFunc(mx.ServeHTTP),
+		BaseContext: func(listener net.Listener) context.Context {
+			ctx, _ := tag.New(context.Background(), tag.Upsert(metrics.APIInterface, "lotus-provider"))
+			return ctx
+		},
+		Addr:              deps.Cfg.Subsystems.GuiAddress,
+		ReadTimeout:       time.Minute * 3,
+		ReadHeaderTimeout: time.Minute * 3, // lint
+	}, nil
+}

cmd/lotus-provider/web/static/chain-connectivity.js

@@ -0,0 +1,73 @@
+import { LitElement, html, css } from 'https://cdn.jsdelivr.net/gh/lit/dist@3/all/lit-all.min.js';
+window.customElements.define('chain-connectivity', class MyElement extends LitElement {
+    constructor() {
+        super();
+        this.data = [];
+        this.loadData();
+    }
+    loadData() {
+        const eventSource = new EventSource('/api/debug/chain-state-sse');
+        eventSource.onmessage = (event) => {
+            this.data = JSON.parse(event.data);
+            super.requestUpdate();
+        };
+        eventSource.onerror = (error) => {
+            console.error('Error:', error);
+            loadData();
+        };
+    };
+
+    static get styles() {
+        return [css`
+        :host {
+            box-sizing: border-box; /* Don't forgert this to include padding/border inside width calculation */
+        }
+        table {
+            border-collapse: collapse;
+        }
+
+        table td, table th {
+            border-left: 1px solid #f0f0f0;
+            padding: 1px 5px;
+        }
+
+        table tr td:first-child, table tr th:first-child {
+            border-left: none;
+        }
+
+        .success {
+            color: green;
+        }
+        .warning {
+            color: yellow;
+        }
+        .error {
+            color: red;
+        }
+    `];
+    }
+    render = () => html`
+  <table>
+    <thead>
+        <tr>
+            <th>RPC Address</th>
+            <th>Reachability</th>
+            <th>Sync Status</th>
+            <th>Version</th>
+        </tr>
+    </thead>
+    <tbody>
+        ${this.data.map(item => html`
+        <tr>
+            <td>${item.Address}</td>
+            <td>${item.Reachable ? html`<span class="success">ok</span>` : html`<span class="error">FAIL</span>`}</td>
+            <td>${item.SyncState === "ok" ? html`<span class="success">ok</span>` : html`<span class="warning">${item.SyncState}</span>`}</td>
+            <td>${item.Version}</td>
+        </tr>
+        `)}
+        <tr>
+            <td colspan="4">Data incoming...</td>
+        </tr>
+    </tbody>
+  </table>`
+});

cmd/lotus-provider/web/static/index.html

@@ -0,0 +1,193 @@
+<html>
+<head>
+    <title>Lotus Provider Cluster Overview</title>
+    <script src="https://unpkg.com/htmx.org@1.9.5" integrity="sha384-xcuj3WpfgjlKF+FXhSQFQ0ZNr39ln+hwjN3npfM9VBnUskLolQAcN80McRIVOPuO" crossorigin="anonymous"></script>
+    <script type="module" src="chain-connectivity.js"></script>
+    <style>
+        html, body {
+            background: #0f0f0f;
+            color: #ffffff;
+            padding: 0;
+            margin: 0;
+
+            font-family: monospace;
+        }
+
+        table td, table th {
+            font-size: 13px;
+        }
+
+        .app-head {
+            width: 100%;
+        }
+        .head-left {
+            display: inline-block;
+        }
+        .head-right {
+            display: inline-block;
+            float: right;
+        }
+
+        table {
+            border-collapse: collapse;
+        }
+
+        table td, table th {
+            border-left: 1px solid #f0f0f0;
+            padding: 1px 5px;
+        }
+
+        table tr td:first-child, table tr th:first-child {
+            border-left: none;
+        }
+
+        a:link {
+            color: #cfc;
+        }
+
+        a:visited {
+            color: #dfa;
+        }
+
+        a:hover {
+            color: #af7;
+        }
+
+        .success {
+            color: green;
+        }
+        .warning {
+            color: yellow;
+        }
+        .error {
+            color: red;
+        }
+
+        .dash-tile {
+            display: flex;
+            flex-direction: column;
+            padding: 0.75rem;
+            background: #3f3f3f;
+
+            & b {
+                padding-bottom: 0.5rem;
+                color: deeppink;
+            }
+        }
+
+        .deadline-box {
+            display: grid;
+            grid-template-columns: repeat(16, auto);
+            grid-template-rows: repeat(3, auto);
+            grid-gap: 1px;
+        }
+
+        .deadline-entry {
+            width: 10px;
+            height: 10px;
+            background-color: grey;
+            margin: 1px;
+        }
+
+        .deadline-entry-cur {
+            border-bottom: 3px solid deepskyblue;
+            height: 7px;
+        }
+
+        .deadline-proven {
+            background-color: green;
+        }
+        .deadline-partially-faulty {
+            background-color: yellow;
+        }
+        .deadline-faulty {
+            background-color: red;
+        }
+    </style>
+</head>
+<body>
+<div class="app-head">
+    <div class="head-left">
+        <h1>Lotus Provider Cluster</h1>
+    </div>
+    <div class="head-right">
+        version [todo]
+    </div>
+</div>
+<hr/>
+<div class="page">
+    <div class="info-block">
+        <h2>Chain Connectivity</h2>
+        <chain-connectivity></chain-connectivity>
+    </div>
+    <hr>
+    <div class="info-block">
+        <h2>Actor Summary</h2>
+        <table>
+            <thead>
+            <tr>
+                <th>Address</th>
+                <th>Config Layers</th>
+                <th>QaP</th>
+                <th>Deadlines</th>
+            </tr>
+            </thead>
+            <tbody hx-get="/hapi/simpleinfo/actorsummary" hx-trigger="load,every 5s">
+            </tbody>
+        </table>
+    </div>
+    <hr>
+    <div class="info-block">
+        <h2>Cluster Machines</h2>
+        <table>
+            <thead>
+            <tr>
+                <th>Host</th>
+                <th>ID</th>
+                <th>Config Layers</th>
+                <th>Last Contact</th>
+            </tr>
+            </thead>
+            <tbody hx-get="/hapi/simpleinfo/machines" hx-trigger="load,every 5s">
+            </tbody>
+        </table>
+    </div>
+    <hr>
+    <div class="info-block">
+        <h2>Recently Finished Tasks</h2>
+        <table>
+            <thead>
+            <tr>
+                <th>Name</th>
+                <th>ID</th>
+                <th>Executor</th>
+                <th>Posted</th>
+                <th>Start</th>
+                <th>End</th>
+                <th>Outcome</th>
+                <th>Message</th>
+            </tr>
+            </thead>
+            <tbody hx-get="/hapi/simpleinfo/taskhistory" hx-trigger="load, every 5s">
+            </tbody>
+        </table>
+    </div>
+    <hr>
+    <div class="info-block">
+        <h2>Cluster Tasks</h2>
+        <table>
+            <thead>
+            <tr>
+                <th>Task</th>
+                <th>ID</th>
+                <th>Posted</th>
+                <th>Owner</th>
+            </tr>
+            </thead>
+            <tbody hx-get="/hapi/simpleinfo/tasks" hx-trigger="load,every 5s">
+            </tbody>
+        </table>
+    </div>
+</div>
+</body>
+</html>

documentation/en/cli-lotus-provider.md

@@ -14,6 +14,7 @@ COMMANDS:
    stop     Stop a running lotus provider
    config   Manage node config by layers. The layer 'base' will always be applied. 
    test     Utility functions for testing
+   web      Start lotus provider web interface
    version  Print version
    help, h  Shows a list of commands or help for one command
    DEVELOPER:
@@ -247,6 +248,25 @@ OPTIONS:
    --help, -h                         show help
 ```
 
+## lotus-provider web
+```
+NAME:
+   lotus-provider web - Start lotus provider web interface
+
+USAGE:
+   lotus-provider web [command options] [arguments...]
+
+DESCRIPTION:
+   Start an instance of lotus provider web interface. 
+     This creates the 'web' layer if it does not exist, then calls run with that layer.
+
+OPTIONS:
+   --listen value                     Address to listen on (default: "127.0.0.1:4701")
+   --layers value [ --layers value ]  list of layers to be interpreted (atop defaults). Default: base. Web will be added (default: "base")
+   --nosync                           don't check full-node sync status (default: false)
+   --help, -h                         show help
+```
+
 ## lotus-provider version
 ```
 NAME:

documentation/en/default-lotus-provider-config.toml

@@ -11,6 +11,14 @@
   # type: int
   #WinningPostMaxTasks = 0
 
+  # type: bool
+  #EnableWebGui = false
+
+  # The address that should listen for Web GUI requests.
+  #
+  # type: string
+  #GuiAddress = ":4701"
+
 
 [Fees]
   # type: types.FIL

node/config/def.go

@@ -351,7 +351,9 @@ func DefaultUserRaftConfig() *UserRaftConfig {
 
 func DefaultLotusProvider() *LotusProviderConfig {
 	return &LotusProviderConfig{
-		Subsystems: ProviderSubsystemsConfig{},
+		Subsystems: ProviderSubsystemsConfig{
+			GuiAddress: ":4701",
+		},
 		Fees: LotusProviderFees{
 			DefaultMaxFee:      DefaultDefaultMaxFee,
 			MaxPreCommitGasFee: types.MustParseFIL("0.025"),

node/config/doc_gen.go

@@ -1013,6 +1013,18 @@ block rewards will be missed!`,
 
 			Comment: ``,
 		},
+		{
+			Name: "EnableWebGui",
+			Type: "bool",
+
+			Comment: ``,
+		},
+		{
+			Name: "GuiAddress",
+			Type: "string",
+
+			Comment: `The address that should listen for Web GUI requests.`,
+		},
 	},
 	"ProvingConfig": {
 		{

node/config/types.go

@@ -96,6 +96,10 @@ type ProviderSubsystemsConfig struct {
 	WindowPostMaxTasks  int
 	EnableWinningPost   bool
 	WinningPostMaxTasks int
+
+	EnableWebGui bool
+	// The address that should listen for Web GUI requests.
+	GuiAddress string
 }
 
 type DAGStoreConfig struct {