75 lines
1.9 KiB
Go
75 lines
1.9 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package downtime
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import (
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"context"
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"github.com/zeebo/errs"
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"go.uber.org/zap"
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"storj.io/common/storj"
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"storj.io/storj/satellite/contact"
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"storj.io/storj/satellite/overlay"
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)
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// Service is a service for downtime checking.
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//
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// architecture: Service
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type Service struct {
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log *zap.Logger
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overlay *overlay.Service
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contact *contact.Service
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}
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// NewService creates a new downtime tracking service.
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func NewService(log *zap.Logger, overlay *overlay.Service, contact *contact.Service) *Service {
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return &Service{
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log: log,
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overlay: overlay,
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contact: contact,
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}
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}
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// CheckAndUpdateNodeAvailability tries to ping the supplied address and updates the uptime based on ping success or failure. Returns true if the ping and uptime updates are successful.
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func (service *Service) CheckAndUpdateNodeAvailability(ctx context.Context, nodeurl storj.NodeURL) (success bool, err error) {
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defer mon.Task()(&ctx)(&err)
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pingNodeSuccess, pingErrorMessage, err := service.contact.PingBack(ctx, nodeurl)
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if err != nil {
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service.log.Error("error during downtime detection ping back.",
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zap.String("ping error", pingErrorMessage),
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zap.Error(err))
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return false, errs.Wrap(err)
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}
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if pingNodeSuccess {
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_, err = service.overlay.UpdateUptime(ctx, nodeurl.ID, true)
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if err != nil {
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service.log.Error("error updating node contact success information.",
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zap.Stringer("node ID", nodeurl.ID),
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zap.Error(err))
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return false, errs.Wrap(err)
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}
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return true, nil
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}
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_, err = service.overlay.UpdateUptime(ctx, nodeurl.ID, false)
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if err != nil {
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service.log.Error("error updating node contact failure information.",
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zap.Stringer("node ID", nodeurl.ID),
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zap.Error(err))
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return false, errs.Wrap(err)
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}
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return false, nil
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}
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// Close closes resources.
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func (service *Service) Close() error { return nil }
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