Expose storage stats on the metrics endpoint

cmd/lotus-seal-worker/main.go

@@ -37,6 +37,7 @@ import (
 	"github.com/filecoin-project/lotus/lib/lotuslog"
 	"github.com/filecoin-project/lotus/lib/rpcenc"
 	"github.com/filecoin-project/lotus/metrics"
+	"github.com/filecoin-project/lotus/metrics/proxy"
 	"github.com/filecoin-project/lotus/node/modules"
 	"github.com/filecoin-project/lotus/node/repo"
 )
@@ -409,7 +410,7 @@ var runCmd = &cli.Command{
 
 		readerHandler, readerServerOpt := rpcenc.ReaderParamDecoder()
 		rpcServer := jsonrpc.NewServer(readerServerOpt)
-		rpcServer.Register("Filecoin", api.PermissionedWorkerAPI(metrics.MetricedWorkerAPI(workerApi)))
+		rpcServer.Register("Filecoin", api.PermissionedWorkerAPI(proxy.MetricedWorkerAPI(workerApi)))
 
 		mux.Handle("/rpc/v0", rpcServer)
 		mux.Handle("/rpc/streams/v0/push/{uuid}", readerHandler)

cmd/lotus-wallet/main.go

@@ -28,6 +28,7 @@ import (
 	lcli "github.com/filecoin-project/lotus/cli"
 	"github.com/filecoin-project/lotus/lib/lotuslog"
 	"github.com/filecoin-project/lotus/metrics"
+	"github.com/filecoin-project/lotus/metrics/proxy"
 	"github.com/filecoin-project/lotus/node/modules"
 	"github.com/filecoin-project/lotus/node/repo"
 )
@@ -204,7 +205,7 @@ var runCmd = &cli.Command{
 			w = &LoggedWallet{under: w}
 		}
 
-		rpcApi := metrics.MetricedWalletAPI(w)
+		rpcApi := proxy.MetricedWalletAPI(w)
 		if !cctx.Bool("disable-auth") {
 			rpcApi = api.PermissionedWalletAPI(rpcApi)
 		}

extern/sector-storage/stores/index.go

@@ -10,13 +10,16 @@ import (
 	"sync"
 	"time"
 
+	"go.opencensus.io/stats"
+	"go.opencensus.io/tag"
 	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/go-state-types/abi"
 	"github.com/filecoin-project/go-state-types/big"
 
 	"github.com/filecoin-project/lotus/extern/sector-storage/fsutil"
 	"github.com/filecoin-project/lotus/extern/sector-storage/storiface"
+	"github.com/filecoin-project/lotus/metrics"
 )
 
 var HeartbeatInterval = 10 * time.Second
@@ -192,6 +195,25 @@ func (i *Index) StorageReportHealth(ctx context.Context, id ID, report HealthRep
 	}
 	ent.lastHeartbeat = time.Now()
 
+	if report.Stat.Capacity > 0 {
+		ctx, _ = tag.New(ctx, tag.Upsert(metrics.StorageID, string(id)))
+
+		stats.Record(ctx, metrics.StorageFSAvailable.M(float64(report.Stat.FSAvailable)/float64(report.Stat.Capacity)))
+		stats.Record(ctx, metrics.StorageAvailable.M(float64(report.Stat.Available)/float64(report.Stat.Capacity)))
+		stats.Record(ctx, metrics.StorageReserved.M(float64(report.Stat.Reserved)/float64(report.Stat.Capacity)))
+
+		stats.Record(ctx, metrics.StorageCapacityBytes.M(report.Stat.Capacity))
+		stats.Record(ctx, metrics.StorageFSAvailableBytes.M(report.Stat.FSAvailable))
+		stats.Record(ctx, metrics.StorageAvailableBytes.M(report.Stat.Available))
+		stats.Record(ctx, metrics.StorageReservedBytes.M(report.Stat.Reserved))
+
+		if report.Stat.Max > 0 {
+			stats.Record(ctx, metrics.StorageLimitUsed.M(float64(report.Stat.Used)/float64(report.Stat.Max)))
+			stats.Record(ctx, metrics.StorageLimitUsedBytes.M(report.Stat.Used))
+			stats.Record(ctx, metrics.StorageLimitMaxBytes.M(report.Stat.Max))
+		}
+	}
+
 	return nil
 }
 

gateway/handler.go

@@ -8,7 +8,7 @@ import (
 	"github.com/filecoin-project/lotus/api"
 	"github.com/filecoin-project/lotus/api/v0api"
 	"github.com/filecoin-project/lotus/api/v1api"
-	"github.com/filecoin-project/lotus/metrics"
+	"github.com/filecoin-project/lotus/metrics/proxy"
 	"github.com/gorilla/mux"
 	promclient "github.com/prometheus/client_golang/prometheus"
 )
@@ -23,7 +23,7 @@ func Handler(a api.Gateway, opts ...jsonrpc.ServerOption) (http.Handler, error)
 		m.Handle(path, rpcServer)
 	}
 
-	ma := metrics.MetricedGatewayAPI(a)
+	ma := proxy.MetricedGatewayAPI(a)
 
 	serveRpc("/rpc/v1", ma)
 	serveRpc("/rpc/v0", api.Wrap(new(v1api.FullNodeStruct), new(v0api.WrapperV1Full), ma))

metrics/metrics.go

@@ -45,6 +45,7 @@ var (
 	// miner
 	TaskType, _       = tag.NewKey("task_type")
 	WorkerHostname, _ = tag.NewKey("worker_hostname")
+	StorageID, _      = tag.NewKey("storage_id")
 )
 
 // Measures
@@ -97,6 +98,17 @@ var (
 	WorkerCallsReturnedDuration  = stats.Float64("sealing/worker_calls_returned_ms", "Counter of returned worker tasks", stats.UnitMilliseconds)
 	WorkerUntrackedCallsReturned = stats.Int64("sealing/worker_untracked_calls_returned", "Counter of returned untracked worker tasks", stats.UnitDimensionless)
 
+	StorageFSAvailable      = stats.Float64("storage/path_fs_available_frac", "Fraction of filesystem available storage", stats.UnitDimensionless)
+	StorageAvailable        = stats.Float64("storage/path_available_frac", "Fraction of available storage", stats.UnitDimensionless)
+	StorageReserved         = stats.Float64("storage/path_reserved_frac", "Fraction of reserved storage", stats.UnitDimensionless)
+	StorageLimitUsed        = stats.Float64("storage/path_limit_used_frac", "Fraction of used optional storage limit", stats.UnitDimensionless)
+	StorageCapacityBytes    = stats.Int64("storage/path_capacity_bytes", "storage path capacity", stats.UnitBytes)
+	StorageFSAvailableBytes = stats.Int64("storage/path_fs_available_bytes", "filesystem available storage bytes", stats.UnitBytes)
+	StorageAvailableBytes   = stats.Int64("storage/path_available_bytes", "available storage bytes", stats.UnitBytes)
+	StorageReservedBytes    = stats.Int64("storage/path_reserved_bytes", "reserved storage bytes", stats.UnitBytes)
+	StorageLimitUsedBytes   = stats.Int64("storage/path_limit_used_bytes", "used optional storage limit bytes", stats.UnitBytes)
+	StorageLimitMaxBytes    = stats.Int64("storage/path_limit_max_bytes", "optional storage limit", stats.UnitBytes)
+
 	// splitstore
 	SplitstoreMiss                  = stats.Int64("splitstore/miss", "Number of misses in hotstre access", stats.UnitDimensionless)
 	SplitstoreCompactionTimeSeconds = stats.Float64("splitstore/compaction_time", "Compaction time in seconds", stats.UnitSeconds)
@@ -296,6 +308,56 @@ var (
 		Aggregation: workMillisecondsDistribution,
 		TagKeys:     []tag.Key{TaskType, WorkerHostname},
 	}
+	StorageFSAvailableView = &view.View{
+		Measure:     StorageFSAvailable,
+		Aggregation: view.LastValue(),
+		TagKeys:     []tag.Key{StorageID},
+	}
+	StorageAvailableView = &view.View{
+		Measure:     StorageAvailable,
+		Aggregation: view.LastValue(),
+		TagKeys:     []tag.Key{StorageID},
+	}
+	StorageReservedView = &view.View{
+		Measure:     StorageReserved,
+		Aggregation: view.LastValue(),
+		TagKeys:     []tag.Key{StorageID},
+	}
+	StorageLimitUsedView = &view.View{
+		Measure:     StorageLimitUsed,
+		Aggregation: view.LastValue(),
+		TagKeys:     []tag.Key{StorageID},
+	}
+	StorageCapacityBytesView = &view.View{
+		Measure:     StorageCapacityBytes,
+		Aggregation: view.LastValue(),
+		TagKeys:     []tag.Key{StorageID},
+	}
+	StorageFSAvailableBytesView = &view.View{
+		Measure:     StorageFSAvailableBytes,
+		Aggregation: view.LastValue(),
+		TagKeys:     []tag.Key{StorageID},
+	}
+	StorageAvailableBytesView = &view.View{
+		Measure:     StorageAvailableBytes,
+		Aggregation: view.LastValue(),
+		TagKeys:     []tag.Key{StorageID},
+	}
+	StorageReservedBytesView = &view.View{
+		Measure:     StorageReservedBytes,
+		Aggregation: view.LastValue(),
+		TagKeys:     []tag.Key{StorageID},
+	}
+	StorageLimitUsedBytesView = &view.View{
+		Measure:     StorageLimitUsedBytes,
+		Aggregation: view.LastValue(),
+		TagKeys:     []tag.Key{StorageID},
+	}
+	StorageLimitMaxBytesView = &view.View{
+		Measure:     StorageLimitMaxBytes,
+		Aggregation: view.LastValue(),
+		TagKeys:     []tag.Key{StorageID},
+	}
 
 	// splitstore
 	SplitstoreMissView = &view.View{
@@ -379,6 +441,14 @@ var MinerNodeViews = append([]*view.View{
 	WorkerCallsReturnedCountView,
 	WorkerUntrackedCallsReturnedView,
 	WorkerCallsReturnedDurationView,
+	StorageFSAvailableView,
+	StorageAvailableView,
+	StorageReservedView,
+	StorageLimitUsedView,
+	StorageFSAvailableBytesView,
+	StorageAvailableBytesView,
+	StorageReservedBytesView,
+	StorageLimitUsedBytesView,
 }, DefaultViews...)
 
 // SinceInMilliseconds returns the duration of time since the provide time as a float64.

metrics/proxy.go → metrics/proxy/proxy.go

@@ -1,4 +1,4 @@
-package metrics
+package proxy
 
 import (
 	"context"
@@ -7,6 +7,7 @@ import (
 	"go.opencensus.io/tag"
 
 	"github.com/filecoin-project/lotus/api"
+	"github.com/filecoin-project/lotus/metrics"
 )
 
 func MetricedStorMinerAPI(a api.StorageMiner) api.StorageMiner {
@@ -52,8 +53,8 @@ func proxy(in interface{}, outstr interface{}) {
 			rint.Field(f).Set(reflect.MakeFunc(field.Type, func(args []reflect.Value) (results []reflect.Value) {
 				ctx := args[0].Interface().(context.Context)
 				// upsert function name into context
-				ctx, _ = tag.New(ctx, tag.Upsert(Endpoint, field.Name))
-				stop := Timer(ctx, APIRequestDuration)
+				ctx, _ = tag.New(ctx, tag.Upsert(metrics.Endpoint, field.Name))
+				stop := metrics.Timer(ctx, metrics.APIRequestDuration)
 				defer stop()
 				// pass tagged ctx back into function call
 				args[0] = reflect.ValueOf(ctx)

node/rpc.go

@@ -25,6 +25,7 @@ import (
 	"github.com/filecoin-project/lotus/api/v1api"
 	"github.com/filecoin-project/lotus/lib/rpcenc"
 	"github.com/filecoin-project/lotus/metrics"
+	"github.com/filecoin-project/lotus/metrics/proxy"
 	"github.com/filecoin-project/lotus/node/impl"
 )
 
@@ -78,7 +79,7 @@ func FullNodeHandler(a v1api.FullNode, permissioned bool, opts ...jsonrpc.Server
 		m.Handle(path, handler)
 	}
 
-	fnapi := metrics.MetricedFullAPI(a)
+	fnapi := proxy.MetricedFullAPI(a)
 	if permissioned {
 		fnapi = api.PermissionedFullAPI(fnapi)
 	}
@@ -113,7 +114,7 @@ func FullNodeHandler(a v1api.FullNode, permissioned bool, opts ...jsonrpc.Server
 func MinerHandler(a api.StorageMiner, permissioned bool) (http.Handler, error) {
 	m := mux.NewRouter()
 
-	mapi := metrics.MetricedStorMinerAPI(a)
+	mapi := proxy.MetricedStorMinerAPI(a)
 	if permissioned {
 		mapi = api.PermissionedStorMinerAPI(mapi)
 	}