516b8cf2be
Reimplement windows service restart part using svc, add recovery for failed service startup. Added restart-service cmd, to execute self restart in a separate process. Addressed issues: https://storjlabs.atlassian.net/browse/SG-49 https://storjlabs.atlassian.net/browse/SG-136 https://storjlabs.atlassian.net/browse/SG-137 Change-Id: Ic51d9a99e8c1c10800c6c60ff4e218321c674fea
78 lines
2.1 KiB
Go
78 lines
2.1 KiB
Go
// Copyright (C) 2020 Storj Labs, Inc.
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// See LICENSE for copying information.
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package main
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import (
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"context"
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"os"
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"github.com/zeebo/errs"
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"go.uber.org/zap"
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"storj.io/private/version"
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)
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func update(ctx context.Context, serviceName, binaryLocation string, ver version.Process) error {
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suggestedVersion, err := ver.Suggested.SemVer()
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if err != nil {
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return errs.Wrap(err)
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}
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var currentVersion version.SemVer
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if serviceName == updaterServiceName {
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currentVersion = version.Build.Version
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} else {
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currentVersion, err = binaryVersion(binaryLocation)
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if err != nil {
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return errs.Wrap(err)
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}
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}
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// should update
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if currentVersion.Compare(suggestedVersion) >= 0 {
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zap.L().Info("Version is up to date.", zap.String("Service", serviceName))
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return nil
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}
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if !version.ShouldUpdate(ver.Rollout, nodeID) {
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zap.L().Info("New version available but not rolled out to this nodeID yet", zap.String("Service", serviceName))
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return nil
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}
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newVersionPath := prependExtension(binaryLocation, ver.Suggested.Version)
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if err = downloadBinary(ctx, parseDownloadURL(ver.Suggested.URL), newVersionPath); err != nil {
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return errs.Wrap(err)
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}
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downloadedVersion, err := binaryVersion(newVersionPath)
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if err != nil {
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return errs.Combine(errs.Wrap(err), os.Remove(newVersionPath))
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}
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if suggestedVersion.Compare(downloadedVersion) != 0 {
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err := errs.New("invalid version downloaded: wants %s got %s",
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suggestedVersion.String(),
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downloadedVersion.String(),
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)
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return errs.Combine(err, os.Remove(newVersionPath))
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}
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var backupPath string
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if serviceName == updaterServiceName {
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// NB: don't include old version number for updater binary backup
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backupPath = prependExtension(binaryLocation, "old")
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} else {
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backupPath = prependExtension(binaryLocation, "old."+currentVersion.String())
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}
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zap.L().Info("Restarting service.", zap.String("Service", serviceName))
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if err = restartService(ctx, serviceName, binaryLocation, newVersionPath, backupPath); err != nil {
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return errs.Wrap(err)
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}
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zap.L().Info("Service restarted successfully.", zap.String("Service", serviceName))
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return nil
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}
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