func (r defaultNetworkResolver) GetDefaultNetwork() (boshsettings.Network, error) {
network := boshsettings.Network{}
routes, err := r.routesSearcher.SearchRoutes()
if err != nil {
return network, bosherr.WrapError(err, "Searching routes")
}
if len(routes) == 0 {
return network, bosherr.Error("No routes found")
}
for _, route := range routes {
if !route.IsDefault() {
continue
}
ip, err := r.ipResolver.GetPrimaryIPv4(route.InterfaceName)
if err != nil {
return network, bosherr.WrapErrorf(err, "Getting primary IPv4 for interface '%s'", route.InterfaceName)
}
return boshsettings.Network{
IP: ip.IP.String(),
Netmask: gonet.IP(ip.Mask).String(),
Gateway: route.Gateway,
}, nil
}
return network, bosherr.Error("Failed to find default route")
}
func (r concreteRunner) Run(action Action, payloadBytes []byte) (value interface{}, err error) {
payloadArgs, err := r.extractJSONArguments(payloadBytes)
if err != nil {
err = bosherr.WrapError(err, "Extracting json arguments")
return
}
actionValue := reflect.ValueOf(action)
runMethodValue := actionValue.MethodByName("Run")
if runMethodValue.Kind() != reflect.Func {
err = bosherr.Error("Run method not found")
return
}
runMethodType := runMethodValue.Type()
if r.invalidReturnTypes(runMethodType) {
err = bosherr.Error("Run method should return a value and an error")
return
}
methodArgs, err := r.extractMethodArgs(runMethodType, payloadArgs)
if err != nil {
err = bosherr.WrapError(err, "Extracting method arguments from payload")
return
}
values := runMethodValue.Call(methodArgs)
return r.extractReturns(values)
}
func (f SettingsSourceFactory) buildWithoutRegistry() (boshsettings.Source, error) {
var settingsSources []boshsettings.Source
for _, opts := range f.options.Sources {
var settingsSource boshsettings.Source
switch typedOpts := opts.(type) {
case HTTPSourceOptions:
return nil, bosherr.Error("HTTP source is not supported without registry")
case ConfigDriveSourceOptions:
settingsSource = NewConfigDriveSettingsSource(
typedOpts.DiskPaths,
typedOpts.MetaDataPath,
typedOpts.SettingsPath,
f.platform,
f.logger,
)
case FileSourceOptions:
return nil, bosherr.Error("File source is not supported without registry")
case CDROMSourceOptions:
settingsSource = NewCDROMSettingsSource(
typedOpts.FileName,
f.platform,
f.logger,
)
}
settingsSources = append(settingsSources, settingsSource)
}
return NewMultiSettingsSource(settingsSources...)
}
func (a DrainAction) determineParams(drainType DrainType, currentSpec boshas.V1ApplySpec, newSpecs []boshas.V1ApplySpec) (boshdrain.ScriptParams, error) {
var newSpec *boshas.V1ApplySpec
var params boshdrain.ScriptParams
if len(newSpecs) > 0 {
newSpec = &newSpecs[0]
}
switch drainType {
case DrainTypeStatus:
// Status was used in the past when dynamic drain was implemented in the Director.
// Now that we implement it in the agent, we should never get a call for this type.
return params, bosherr.Error("Unexpected call with drain type 'status'")
case DrainTypeUpdate:
if newSpec == nil {
return params, bosherr.Error("Drain update requires new spec")
}
params = boshdrain.NewUpdateParams(currentSpec, *newSpec)
case DrainTypeShutdown:
err := a.notifier.NotifyShutdown()
if err != nil {
return params, bosherr.WrapError(err, "Notifying shutdown")
}
params = boshdrain.NewShutdownParams(currentSpec, newSpec)
}
return params, nil
}
func (p linux) findRootDevicePath() (string, error) {
mounts, err := p.diskManager.GetMountsSearcher().SearchMounts()
if err != nil {
return "", bosherr.WrapError(err, "Searching mounts")
}
for _, mount := range mounts {
if mount.MountPoint == "/" && strings.HasPrefix(mount.PartitionPath, "/dev/") {
p.logger.Debug(logTag, "Found root partition: `%s'", mount.PartitionPath)
stdout, _, _, err := p.cmdRunner.RunCommand("readlink", "-f", mount.PartitionPath)
if err != nil {
return "", bosherr.WrapError(err, "Shelling out to readlink")
}
rootPartition := strings.Trim(stdout, "\n")
p.logger.Debug(logTag, "Symlink is: `%s'", rootPartition)
validRootPartition := regexp.MustCompile(`^/dev/[a-z]+1$`)
if !validRootPartition.MatchString(rootPartition) {
return "", bosherr.Error("Root partition is not the first partition")
}
return strings.Trim(rootPartition, "1"), nil
}
}
return "", bosherr.Error("Getting root partition device")
}
func (bc FileBundleCollection) Get(definition BundleDefinition) (Bundle, error) {
if len(definition.BundleName()) == 0 {
return nil, bosherr.Error("Missing bundle name")
}
if len(definition.BundleVersion()) == 0 {
return nil, bosherr.Error("Missing bundle version")
}
installPath := filepath.Join(bc.installPath, bc.name, definition.BundleName(), definition.BundleVersion())
enablePath := filepath.Join(bc.enablePath, bc.name, definition.BundleName())
return NewFileBundle(installPath, enablePath, bc.fs, bc.logger), nil
}
func (b localBlobstore) Validate() error {
path, found := b.options["blobstore_path"]
if !found {
return bosherr.Error("missing blobstore_path")
}
_, ok := path.(string)
if !ok {
return bosherr.Error("blobstore_path must be a string")
}
return nil
}
func (b retryableBlobstore) Validate() error {
if b.maxTries < 1 {
return bosherr.Error("Max tries must be > 0")
}
return b.blobstore.Validate()
}
func (udev ConcreteUdevDevice) readByte(filePath string) error {
udev.logger.Debug(udev.logtag, "readBytes from file: %s", filePath)
device, err := os.Open(filePath)
if err != nil {
return err
}
defer func() {
if err = device.Close(); err != nil {
udev.logger.Warn(udev.logtag, "Failed to close device: %s", err.Error())
}
}()
udev.logger.Debug(udev.logtag, "Successfully open file: %s", filePath)
bytes := make([]byte, 1, 1)
read, err := device.Read(bytes)
if err != nil {
return err
}
udev.logger.Debug(udev.logtag, "Successfully read %d bytes from file: %s", read, filePath)
if read != 1 {
return bosherr.Error("Device readable but zero length")
}
return nil
}
func (b FileBundle) GetInstallPath() (boshsys.FileSystem, string, error) {
path := b.installPath
if !b.fs.FileExists(path) {
return nil, "", bosherr.Error("install dir does not exist")
}
return b.fs, path, nil
}
func (ms *configDriveMetadataService) GetInstanceID() (string, error) {
if ms.metaDataContents.InstanceID == "" {
return "", bosherr.Error("Failed to load instance-id from config drive metadata service")
}
ms.logger.Debug(ms.logTag, "Getting instance id: %s", ms.metaDataContents.InstanceID)
return ms.metaDataContents.InstanceID, nil
}
func (ms *configDriveMetadataService) GetServerName() (string, error) {
if ms.userDataContents.Server.Name == "" {
return "", bosherr.Error("Failed to load server name from config drive metadata service")
}
ms.logger.Debug(ms.logTag, "Getting server name: %s", ms.userDataContents.Server.Name)
return ms.userDataContents.Server.Name, nil
}
func (ms *configDriveMetadataService) GetPublicKey() (string, error) {
if firstPublicKey, ok := ms.metaDataContents.PublicKeys["0"]; ok {
if openSSHKey, ok := firstPublicKey["openssh-key"]; ok {
return openSSHKey, nil
}
}
return "", bosherr.Error("Failed to load openssh-key from config drive metadata service")
}
func NewMultiSettingsSource(sources ...boshsettings.Source) (boshsettings.Source, error) {
var err error
if len(sources) == 0 {
err = bosherr.Error("MultiSettingsSource requires to have at least one source")
}
return &MultiSettingsSource{sources: sources}, err
}
func (d *dummyNatsJobSupervisor) Start() error {
if d.status == "fail_task" {
return bosherror.Error("fake-task-fail-error")
}
if d.status != "failing" {
d.status = "running"
}
return nil
}
func (r concreteRunner) extractReturns(values []reflect.Value) (value interface{}, err error) {
errValue := values[1]
if !errValue.IsNil() {
errorValues := errValue.MethodByName("Error").Call([]reflect.Value{})
err = bosherr.Error(errorValues[0].String())
}
value = values[0].Interface()
return
}
func BuildErrorWithJSON(msg string, logger boshlog.Logger) ([]byte, error) {
response := NewExceptionResponse(bosherr.Error(msg))
respJSON, err := json.Marshal(response)
if err != nil {
return respJSON, bosherr.WrapError(err, "Marshalling JSON")
}
logger.Info(mbusHandlerLogTag, "Building error", msg)
return respJSON, nil
}
func (udev ConcreteUdevDevice) Trigger() (err error) {
udev.logger.Debug(udev.logtag, "Triggering UdevDevice")
switch {
case udev.runner.CommandExists("udevadm"):
_, _, _, err = udev.runner.RunCommand("udevadm", "trigger")
case udev.runner.CommandExists("udevtrigger"):
_, _, _, err = udev.runner.RunCommand("udevtrigger")
default:
err = bosherr.Error("can not find udevadm or udevtrigger commands")
}
return
}
func (ms httpMetadataService) GetServerName() (string, error) {
userData, err := ms.getUserData()
if err != nil {
return "", bosherr.WrapError(err, "Getting user data")
}
serverName := userData.Server.Name
if len(serverName) == 0 {
return "", bosherr.Error("Empty server name")
}
return serverName, nil
}
func (d *Downloader) httpClient() (*http.Client, error) {
certPool := x509.NewCertPool()
if !certPool.AppendCertsFromPEM(([]byte)(d.config.CACertPem)) {
return nil, errors.Error("Failed to load CA cert")
}
tr := &http.Transport{
TLSClientConfig: &tls.Config{
RootCAs: certPool,
ClientAuth: tls.RequireAndVerifyClientCert,
},
}
return &http.Client{Transport: tr}, nil
}
func compareStrs(pattern, name []string) (bool, error) {
if len(pattern) == 0 {
return true, nil
}
if len(pattern) > 1 || len(name) > 1 {
return false, errors.Error("Multiple entries in x509 records not supported")
}
if len(name) != 1 {
return false, nil
}
return compareStr(pattern[0], name[0])
}
func (a RunErrandAction) Run() (ErrandResult, error) {
currentSpec, err := a.specService.Get()
if err != nil {
return ErrandResult{}, bosherr.WrapError(err, "Getting current spec")
}
if len(currentSpec.JobSpec.Template) == 0 {
return ErrandResult{}, bosherr.Error("At least one job template is required to run an errand")
}
command := boshsys.Command{
Name: filepath.Join(a.jobsDir, currentSpec.JobSpec.Template, "bin", "run"),
Env: map[string]string{
"PATH": "/usr/sbin:/usr/bin:/sbin:/bin",
},
}
process, err := a.cmdRunner.RunComplexCommandAsync(command)
if err != nil {
return ErrandResult{}, bosherr.WrapError(err, "Running errand script")
}
var result boshsys.Result
// Can only wait once on a process but cancelling can happen multiple times
for processExitedCh := process.Wait(); processExitedCh != nil; {
select {
case result = <-processExitedCh:
processExitedCh = nil
case <-a.cancelCh:
// Ignore possible TerminateNicely error since we cannot return it
err := process.TerminateNicely(10 * time.Second)
if err != nil {
a.logger.Error(runErrandActionLogTag, "Failed to terminate %s", err.Error())
}
}
}
if result.Error != nil && result.ExitStatus == -1 {
return ErrandResult{}, bosherr.WrapError(result.Error, "Running errand script")
}
return ErrandResult{
Stdout: result.Stdout,
Stderr: result.Stderr,
ExitStatus: result.ExitStatus,
}, nil
}
func (p *CertificateVerifier) Verify(peerCertificates []*x509.Certificate) error {
if len(peerCertificates) < 1 {
return errors.Error("No peer certificates provided by client")
}
subject := peerCertificates[0].Subject
for _, pattern := range p.AllowedNames {
matched, err := matchName(&pattern, &subject)
if err != nil {
return err
}
if matched {
return nil
}
}
return errors.Errorf("Subject (%#v) didn't match allowed distinguished names", subject)
}
func parseNames(allowedNames []string) ([]pkix.Name, error) {
if len(allowedNames) == 0 {
return nil, errors.Error("AllowedNames must be specified")
}
var pkixNames []pkix.Name
parser := NewDistinguishedNamesParser()
for _, dn := range allowedNames {
pkixName, err := parser.Parse(dn)
if err != nil {
return nil, errors.WrapError(err, "Invalid AllowedNames")
}
pkixNames = append(pkixNames, *pkixName)
}
return pkixNames, nil
}
func (a FetchLogsAction) Run(logType string, filters []string) (value map[string]string, err error) {
var logsDir string
switch logType {
case "job":
if len(filters) == 0 {
filters = []string{"**/*"}
}
logsDir = filepath.Join(a.settingsDir.BaseDir(), "sys", "log")
case "agent":
if len(filters) == 0 {
filters = []string{"**/*"}
}
logsDir = filepath.Join(a.settingsDir.BaseDir(), "bosh", "log")
default:
err = bosherr.Error("Invalid log type")
return
}
tmpDir, err := a.copier.FilteredCopyToTemp(logsDir, filters)
if err != nil {
err = bosherr.WrapError(err, "Copying filtered files to temp directory")
return
}
defer a.copier.CleanUp(tmpDir)
tarball, err := a.compressor.CompressFilesInDir(tmpDir)
if err != nil {
err = bosherr.WrapError(err, "Making logs tarball")
return
}
defer func() {
_ = a.compressor.CleanUp(tarball)
}()
blobID, _, err := a.blobstore.Create(tarball)
if err != nil {
err = bosherr.WrapError(err, "Create file on blobstore")
return
}
value = map[string]string{"blobstore_id": blobID}
return
}
func (f SettingsSourceFactory) buildWithRegistry() (boshsettings.Source, error) {
var metadataServices []MetadataService
digDNSResolver := NewDigDNSResolver(f.platform.GetRunner(), f.logger)
resolver := NewRegistryEndpointResolver(digDNSResolver)
for _, opts := range f.options.Sources {
var metadataService MetadataService
switch typedOpts := opts.(type) {
case HTTPSourceOptions:
metadataService = NewHTTPMetadataService(typedOpts.URI, resolver, f.platform, f.logger)
case ConfigDriveSourceOptions:
metadataService = NewConfigDriveMetadataService(
resolver,
f.platform,
typedOpts.DiskPaths,
typedOpts.MetaDataPath,
typedOpts.UserDataPath,
f.logger,
)
case FileSourceOptions:
metadataService = NewFileMetadataService(
typedOpts.MetaDataPath,
typedOpts.UserDataPath,
typedOpts.SettingsPath,
f.platform.GetFs(),
f.logger,
)
case CDROMSourceOptions:
return nil, bosherr.Error("CDROM source is not supported when registry is used")
}
metadataServices = append(metadataServices, metadataService)
}
metadataService := NewMultiSourceMetadataService(metadataServices...)
registryProvider := NewRegistryProvider(metadataService, f.platform, f.options.UseServerName, f.platform.GetFs(), f.logger)
settingsSource := NewComplexSettingsSource(metadataService, registryProvider, f.logger)
return settingsSource, nil
}
func (s *SourceOptionsSlice) UnmarshalJSON(data []byte) error {
var maps []map[string]interface{}
err := json.Unmarshal(data, &maps)
if err != nil {
return bosherr.WrapError(err, "Unmarshalling sources")
}
for _, m := range maps {
if optType, ok := m["Type"]; ok {
var err error
var opts SourceOptions
switch {
case optType == "HTTP":
var o HTTPSourceOptions
err, opts = mapstruc.Decode(m, &o), o
case optType == "ConfigDrive":
var o ConfigDriveSourceOptions
err, opts = mapstruc.Decode(m, &o), o
case optType == "File":
var o FileSourceOptions
err, opts = mapstruc.Decode(m, &o), o
case optType == "CDROM":
var o CDROMSourceOptions
err, opts = mapstruc.Decode(m, &o), o
default:
err = bosherr.Errorf("Unknown source type '%s'", optType)
}
if err != nil {
return bosherr.WrapErrorf(err, "Unmarshalling source type '%s'", optType)
}
*s = append(*s, opts)
} else {
return bosherr.Error("Missing source type")
}
}
return nil
}
func (h *sslHandler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
var err error
if req.TLS == nil {
err = errors.Error("Not SSL")
}
if err == nil {
err = h.certificateVerifier.Verify(req.TLS.PeerCertificates)
}
if err != nil {
rw.WriteHeader(http.StatusUnauthorized)
h.logger.Error(fmt.Sprintf("%T", h), errors.WrapError(err, "Unauthorized access").Error())
return
}
h.delegate.ServeHTTP(rw, req)
}
func (p linux) GetMonitCredentials() (username, password string, err error) {
monitUserFilePath := filepath.Join(p.dirProvider.BaseDir(), "monit", "monit.user")
credContent, err := p.fs.ReadFileString(monitUserFilePath)
if err != nil {
err = bosherr.WrapError(err, "Reading monit user file")
return
}
credParts := strings.SplitN(credContent, ":", 2)
if len(credParts) != 2 {
err = bosherr.Error("Malformated monit user file, expecting username and password separated by ':'")
return
}
username = credParts[0]
password = credParts[1]
return
}
func (r concreteRunner) invalidReturnTypes(methodType reflect.Type) (valid bool) {
if methodType.NumOut() != 2 {
return true
}
secondReturnType := methodType.Out(1)
if secondReturnType.Kind() != reflect.Interface {
return true
}
errorType := reflect.TypeOf(bosherr.Error(""))
secondReturnIsError := errorType.Implements(secondReturnType)
if !secondReturnIsError {
return true
}
return
}
