Initial commit

Initial public review release v0.10.0

modules/bootstrap/healthy.go

@@ -0,0 +1,95 @@
+package bootstrap
+
+import (
+	"crypto/ecdsa"
+	"sync"
+
+	"github.com/nspcc-dev/neofs-node/internal"
+	"github.com/nspcc-dev/neofs-node/lib/implementations"
+	"github.com/nspcc-dev/neofs-node/lib/placement"
+	"github.com/nspcc-dev/neofs-node/services/public/state"
+	"github.com/spf13/viper"
+	"go.uber.org/dig"
+	"go.uber.org/zap"
+)
+
+type (
+	healthyParams struct {
+		dig.In
+
+		Logger   *zap.Logger
+		Viper    *viper.Viper
+		Place    placement.Component
+		Checkers []state.HealthChecker `group:"healthy"`
+
+		// for ChangeState
+		PrivateKey *ecdsa.PrivateKey
+
+		MorphNetmapContract *implementations.MorphNetmapContract
+	}
+
+	healthyResult struct {
+		dig.Out
+
+		HealthyClient HealthyClient
+
+		StateService state.Service
+	}
+
+	// HealthyClient is an interface of healthiness checking tool.
+	HealthyClient interface {
+		Healthy() error
+	}
+
+	healthyClient struct {
+		*sync.RWMutex
+		healthy func() error
+	}
+)
+
+const (
+	errUnhealthy = internal.Error("unhealthy")
+)
+
+func (h *healthyClient) setHandler(handler func() error) {
+	if handler == nil {
+		return
+	}
+
+	h.Lock()
+	h.healthy = handler
+	h.Unlock()
+}
+
+func (h *healthyClient) Healthy() error {
+	if h.healthy == nil {
+		return errUnhealthy
+	}
+
+	return h.healthy()
+}
+
+func newHealthy(p healthyParams) (res healthyResult, err error) {
+	sp := state.Params{
+		Stater:              p.Place,
+		Logger:              p.Logger,
+		Viper:               p.Viper,
+		Checkers:            p.Checkers,
+		PrivateKey:          p.PrivateKey,
+		MorphNetmapContract: p.MorphNetmapContract,
+	}
+
+	if res.StateService, err = state.New(sp); err != nil {
+		return
+	}
+
+	healthyClient := &healthyClient{
+		RWMutex: new(sync.RWMutex),
+	}
+
+	healthyClient.setHandler(res.StateService.Healthy)
+
+	res.HealthyClient = healthyClient
+
+	return
+}

modules/bootstrap/module.go

@@ -0,0 +1,10 @@
+package bootstrap
+
+import (
+	"github.com/nspcc-dev/neofs-node/lib/fix/module"
+)
+
+// Module is a module of bootstrap component.
+var Module = module.Module{
+	{Constructor: newHealthy},
+}