// Begin handling load, unload, and inventory
func (p *pluginControl) Start() error {
// Start pluginManager when pluginControl starts
p.Started = true
controlLogger.WithFields(log.Fields{
"_block": "start",
}).Info("control started")
//Autodiscover
if p.Config.AutoDiscoverPath != "" {
controlLogger.WithFields(log.Fields{
"_block": "start",
}).Info("auto discover path is enabled")
paths := filepath.SplitList(p.Config.AutoDiscoverPath)
p.SetAutodiscoverPaths(paths)
for _, pa := range paths {
fullPath, err := filepath.Abs(pa)
if err != nil {
controlLogger.WithFields(log.Fields{
"_block": "start",
"autodiscoverpath": pa,
}).Fatal(err)
}
controlLogger.WithFields(log.Fields{
"_block": "start",
}).Info("autoloading plugins from: ", fullPath)
files, err := ioutil.ReadDir(fullPath)
if err != nil {
controlLogger.WithFields(log.Fields{
"_block": "start",
"autodiscoverpath": pa,
}).Fatal(err)
}
for _, file := range files {
if file.IsDir() {
controlLogger.WithFields(log.Fields{
"_block": "start",
"autodiscoverpath": pa,
}).Warning("Ignoring subdirectory: ", file.Name())
continue
}
// Ignore tasks files (JSON and YAML)
fname := strings.ToLower(file.Name())
if strings.HasSuffix(fname, ".json") || strings.HasSuffix(fname, ".yaml") || strings.HasSuffix(fname, ".yml") {
controlLogger.WithFields(log.Fields{
"_block": "start",
"autodiscoverpath": pa,
}).Warning("Ignoring JSON/Yaml file: ", file.Name())
continue
}
// if the file is a plugin package (which would have a suffix of '.aci') or if the file
// is not a plugin signing file (which would have a suffix of '.asc'), then attempt to
// automatically load the file as a plugin
if strings.HasSuffix(file.Name(), ".aci") || !(strings.HasSuffix(file.Name(), ".asc")) {
// check to makd sure the file is executable by someone (even if it isn't you); if no one
// can execute this file then skip it (and include a warning in the log output)
if (file.Mode() & 0111) == 0 {
controlLogger.WithFields(log.Fields{
"_block": "start",
"autodiscoverpath": pa,
"plugin": file,
}).Warn("Auto-loading of plugin '", file.Name(), "' skipped (plugin not executable)")
continue
}
rp, err := core.NewRequestedPlugin(path.Join(fullPath, file.Name()))
if err != nil {
controlLogger.WithFields(log.Fields{
"_block": "start",
"autodiscoverpath": pa,
"plugin": file,
}).Error(err)
}
signatureFile := file.Name() + ".asc"
if _, err := os.Stat(path.Join(fullPath, signatureFile)); err == nil {
err = rp.ReadSignatureFile(path.Join(fullPath, signatureFile))
if err != nil {
controlLogger.WithFields(log.Fields{
"_block": "start",
"autodiscoverpath": pa,
"plugin": file.Name() + ".asc",
}).Error(err)
}
}
pl, err := p.Load(rp)
if err != nil {
controlLogger.WithFields(log.Fields{
"_block": "start",
"autodiscoverpath": fullPath,
"plugin": file,
}).Error(err)
} else {
controlLogger.WithFields(log.Fields{
"_block": "start",
"autodiscoverpath": fullPath,
"plugin-file-name": file.Name(),
"plugin-name": pl.Name(),
"plugin-version": pl.Version(),
"plugin-type": pl.TypeName(),
}).Info("Loading plugin")
}
}
}
}
} else {
controlLogger.WithFields(log.Fields{
"_block": "start",
}).Info("auto discover path is disabled")
}
lis, err := net.Listen("tcp", fmt.Sprintf("%v:%v", p.Config.ListenAddr, p.Config.ListenPort))
if err != nil {
controlLogger.WithField("error", err.Error()).Error("Failed to start control grpc listener")
return err
}
opts := []grpc.ServerOption{}
p.closingChan = make(chan bool, 1)
p.grpcServer = grpc.NewServer(opts...)
rpc.RegisterMetricManagerServer(p.grpcServer, &ControlGRPCServer{p})
p.wg.Add(1)
go func() {
defer p.wg.Done()
err := p.grpcServer.Serve(lis)
if err != nil {
select {
case <-p.closingChan:
// If we called Stop() then there will be a value in p.closingChan, so
// we'll get here and we can exit without showing the error.
default:
controlLogger.Fatal(err)
}
}
}()
return nil
}
// Begin handling load, unload, and inventory
func (p *pluginControl) Start() error {
// Start pluginManager when pluginControl starts
p.Started = true
controlLogger.WithFields(log.Fields{
"_block": "start",
}).Info("control started")
//Autodiscover
if p.Config.AutoDiscoverPath != "" {
controlLogger.WithFields(log.Fields{
"_block": "start",
}).Info("auto discover path is enabled")
paths := filepath.SplitList(p.Config.AutoDiscoverPath)
p.SetAutodiscoverPaths(paths)
for _, pa := range paths {
fullPath, err := filepath.Abs(pa)
if err != nil {
controlLogger.WithFields(log.Fields{
"_block": "start",
"autodiscoverpath": pa,
}).Fatal(err)
}
controlLogger.WithFields(log.Fields{
"_block": "start",
}).Info("autoloading plugins from: ", fullPath)
files, err := ioutil.ReadDir(fullPath)
if err != nil {
controlLogger.WithFields(log.Fields{
"_block": "start",
"autodiscoverpath": pa,
}).Fatal(err)
}
for _, file := range files {
if file.IsDir() {
controlLogger.WithFields(log.Fields{
"_block": "start",
"autodiscoverpath": pa,
}).Warning("Ignoring subdirectory: ", file.Name())
continue
}
// Ignore tasks files (JSON and YAML)
fname := strings.ToLower(file.Name())
if strings.HasSuffix(fname, ".json") || strings.HasSuffix(fname, ".yaml") || strings.HasSuffix(fname, ".yml") {
controlLogger.WithFields(log.Fields{
"_block": "start",
"autodiscoverpath": pa,
}).Warning("Ignoring JSON/Yaml file: ", file.Name())
continue
}
if strings.HasSuffix(file.Name(), ".aci") || !(strings.HasSuffix(file.Name(), ".asc")) {
rp, err := core.NewRequestedPlugin(path.Join(fullPath, file.Name()))
if err != nil {
controlLogger.WithFields(log.Fields{
"_block": "start",
"autodiscoverpath": pa,
"plugin": file,
}).Error(err)
}
signatureFile := file.Name() + ".asc"
if _, err := os.Stat(path.Join(fullPath, signatureFile)); err == nil {
err = rp.ReadSignatureFile(path.Join(fullPath, signatureFile))
if err != nil {
controlLogger.WithFields(log.Fields{
"_block": "start",
"autodiscoverpath": pa,
"plugin": file.Name() + ".asc",
}).Error(err)
}
}
pl, err := p.Load(rp)
if err != nil {
controlLogger.WithFields(log.Fields{
"_block": "start",
"autodiscoverpath": fullPath,
"plugin": file,
}).Error(err)
} else {
controlLogger.WithFields(log.Fields{
"_block": "start",
"autodiscoverpath": fullPath,
"plugin-file-name": file.Name(),
"plugin-name": pl.Name(),
"plugin-version": pl.Version(),
"plugin-type": pl.TypeName(),
}).Info("Loading plugin")
}
}
}
}
} else {
controlLogger.WithFields(log.Fields{
"_block": "start",
}).Info("auto discover path is disabled")
}
lis, err := net.Listen("tcp", fmt.Sprintf("%v:%v", p.Config.ListenAddr, p.Config.ListenPort))
if err != nil {
controlLogger.WithField("error", err.Error()).Error("Failed to start control grpc listener")
return err
}
opts := []grpc.ServerOption{}
grpcServer := grpc.NewServer(opts...)
rpc.RegisterMetricManagerServer(grpcServer, &ControlGRPCServer{p})
go func() {
err := grpcServer.Serve(lis)
if err != nil {
controlLogger.Fatal(err)
}
}()
return nil
}