func (s *renderedJobApplier) downloadAndInstall(job models.Job, jobBundle boshbc.Bundle) error {
	tmpDir, err := s.fs.TempDir("bosh-agent-applier-jobs-RenderedJobApplier-Apply")
	if err != nil {
		return bosherr.WrapError(err, "Getting temp dir")
	}

	defer func() {
		if err = s.fs.RemoveAll(tmpDir); err != nil {
			s.logger.Warn(logTag, "Failed to clean up temp directory: %s", err.Error())
		}
	}()

	digest, err := boshcrypto.ParseDigestString(job.Source.Sha1)
	if err != nil {
		return bosherr.WrapError(err, "Parsing job blob digest")
	}

	file, err := s.blobstore.Get(job.Source.BlobstoreID, digest)
	if err != nil {
		return bosherr.WrapError(err, "Getting job source from blobstore")
	}

	defer func() {
		if err = s.blobstore.CleanUp(file); err != nil {
			s.logger.Warn(logTag, "Failed to clean up blobstore blob: %s", err.Error())
		}
	}()

	err = s.compressor.DecompressFileToDir(file, tmpDir, boshcmd.CompressorOptions{})
	if err != nil {
		return bosherr.WrapError(err, "Decompressing files to temp dir")
	}

	binPath := path.Join(tmpDir, job.Source.PathInArchive, "bin") + "/"
	err = s.fs.Walk(path.Join(tmpDir, job.Source.PathInArchive), func(path string, info os.FileInfo, err error) error {
		if err != nil {
			return err
		} else if info.IsDir() || strings.HasPrefix(path, binPath) {
			return s.fs.Chmod(path, os.FileMode(0755))
		} else {
			return s.fs.Chmod(path, os.FileMode(0644))
		}
	})
	if err != nil {
		return bosherr.WrapError(err, "Correcting file permissions")
	}

	_, _, err = jobBundle.Install(path.Join(tmpDir, job.Source.PathInArchive))
	if err != nil {
		return bosherr.WrapError(err, "Installing job bundle")
	}

	return nil
}
func (s *compiledPackageApplier) downloadAndInstall(pkg models.Package, pkgBundle bc.Bundle) error {
	tmpDir, err := s.fs.TempDir("bosh-agent-applier-packages-CompiledPackageApplier-Apply")
	if err != nil {
		return bosherr.WrapError(err, "Getting temp dir")
	}

	defer func() {
		if err = s.fs.RemoveAll(tmpDir); err != nil {
			s.logger.Warn(logTag, "Failed to clean up tmpDir: %s", err.Error())
		}
	}()

	digest, err := boshcrypto.ParseDigestString(pkg.Source.Sha1)
	if err != nil {
		return bosherr.WrapError(err, "Parsing package blob digest")
	}

	file, err := s.blobstore.Get(pkg.Source.BlobstoreID, digest)
	if err != nil {
		return bosherr.WrapError(err, "Fetching package blob")
	}

	defer func() {
		if err = s.blobstore.CleanUp(file); err != nil {
			s.logger.Warn(logTag, "Failed to clean up blobstore blob: %s", err.Error())
		}
	}()

	err = s.compressor.DecompressFileToDir(file, tmpDir, boshcmd.CompressorOptions{})
	if err != nil {
		return bosherr.WrapError(err, "Decompressing package files")
	}

	_, _, err = pkgBundle.Install(tmpDir)
	if err != nil {
		return bosherr.WrapError(err, "Installling package directory")
	}

	return nil
}
示例#3
0
func (a SyncDNS) Run(blobID, digestString string, version uint64) (string, error) {
	requestVersionStale, err := a.isLocalStateGreaterThanOrEqual(version)
	if err != nil {
		return "", bosherr.WrapError(err, "reading local DNS state")
	}

	if requestVersionStale {
		return "synced", nil
	}

	digest, err := boshcrypto.ParseDigestString(digestString)
	if err != nil {
		return "", bosherr.WrapError(err, "Parsing blob digest")
	}

	filePath, err := a.blobstore.Get(blobID, digest)
	if err != nil {
		return "", bosherr.WrapErrorf(err, "getting %s from blobstore", blobID)
	}

	fs := a.platform.GetFs()

	defer func() {
		err = fs.RemoveAll(filePath)
		if err != nil {
			a.logger.Error(a.logTag, fmt.Sprintf("Failed to remove dns blob file at path '%s'", filePath))
		}
	}()

	contents, err := fs.ReadFile(filePath)
	if err != nil {
		return "", bosherr.WrapErrorf(err, "reading %s from blobstore", filePath)
	}

	dnsRecords := boshsettings.DNSRecords{}
	err = json.Unmarshal(contents, &dnsRecords)
	if err != nil {
		return "", bosherr.WrapError(err, "unmarshalling DNS records")
	}

	a.lock.Lock()
	defer a.lock.Unlock()

	localDNSState := state.LocalDNSState{}
	syncDNSState := a.createSyncDNSState()
	if syncDNSState.StateFileExists() {
		localDNSState, err = syncDNSState.LoadState()
		if err != nil {
			return "", bosherr.WrapError(err, "loading local DNS state")
		}
	}

	//Checking again since don't want to keep lock during blobstore operations
	if localDNSState.Version >= version {
		return "synced", nil
	}

	localDNSState.Version = version
	err = syncDNSState.SaveState(localDNSState)
	if err != nil {
		return "", bosherr.WrapError(err, "saving local DNS state")
	}

	err = a.platform.SaveDNSRecords(dnsRecords, a.settingsService.GetSettings().AgentID)
	if err != nil {
		return "", bosherr.WrapError(err, "saving DNS records")
	}

	return "synced", nil
}