deprecate option 'daemonize' (#3648)

Author: mmetc

cmd/crowdsec/main.go

@@ -144,7 +144,7 @@ func (l *labelsMap) String() string {
 }
 
 func (l *labelsMap) Set(label string) error {
-	for _, pair := range strings.Split(label, ",") {
+	for pair := range strings.SplitSeq(label, ",") {
 		split := strings.Split(pair, ":")
 		if len(split) != 2 {
 			return fmt.Errorf("invalid format for label '%s', must be key:value", pair)
@@ -233,7 +233,9 @@ func LoadConfig(configFile string, disableAgent bool, disableAPI bool, quiet boo
 	if err := trace.Init(filepath.Join(cConfig.ConfigPaths.DataDir, "trace")); err != nil {
 		return nil, fmt.Errorf("while setting up trace directory: %w", err)
 	}
+
 	var logLevelViaFlag bool
+
 	cConfig.Common.LogLevel, logLevelViaFlag = newLogLevel(cConfig.Common.LogLevel, flags)
 
 	if dumpFolder != "" {
@@ -301,24 +303,14 @@ func LoadConfig(configFile string, disableAgent bool, disableAPI bool, quiet boo
 		if cConfig.API != nil && cConfig.API.Server != nil {
 			cConfig.API.Server.OnlineClient = nil
 		}
-		// if the api is disabled as well, just read file and exit, don't daemonize
-		if cConfig.DisableAPI {
-			cConfig.Common.Daemonize = false
-		}
 
-		log.Infof("single file mode : log_media=%s daemonize=%t", cConfig.Common.LogMedia, cConfig.Common.Daemonize)
+		log.Infof("single file mode : log_media=%s", cConfig.Common.LogMedia)
 	}
 
 	if cConfig.Common.PidDir != "" {
 		log.Warn("Deprecation warning: the pid_dir config can be safely removed and is not required")
 	}
 
-	if cConfig.Common.Daemonize && runtime.GOOS == "windows" {
-		log.Debug("Daemonization is not supported on Windows, disabling")
-
-		cConfig.Common.Daemonize = false
-	}
-
 	// recap of the enabled feature flags, because logging
 	// was not enabled when we set them from envvars
 	if fflist := csconfig.ListFeatureFlags(); fflist != "" {

cmd/crowdsec/serve.go

@@ -418,7 +418,7 @@ func Serve(cConfig *csconfig.Config, agentReady chan bool) error {
 		return nil
 	}
 
-	if cConfig.Common != nil && cConfig.Common.Daemonize {
+	if cConfig.Common != nil && !flags.haveTimeMachine() {
 		_ = csdaemon.Notify(csdaemon.Ready, log.StandardLogger())
 		// wait for signals
 		return HandleSignals(cConfig)

config/config_win.yaml

@@ -1,5 +1,4 @@
 common:
-  daemonize: false
   log_media: file
   log_level: info
   log_dir:  C:\ProgramData\CrowdSec\log\

config/config_win_no_lapi.yaml

@@ -1,5 +1,4 @@
 common:
-  daemonize: true
   log_media: file
   log_level: info
   log_dir:  C:\ProgramData\CrowdSec\log\

config/dev.yaml

@@ -1,5 +1,4 @@
 common:
-  daemonize: true
   log_media: stdout
   log_level: info
 config_paths:

config/user.yaml

@@ -1,5 +1,4 @@
 common:
-  daemonize: false
   log_media: stdout
   log_level: info
   log_dir: /var/log/

docker/config.yaml

@@ -1,5 +1,4 @@
 common:
-  daemonize: false
   log_media: stdout
   log_level: info
   log_dir: /var/log/

pkg/csconfig/common.go

@@ -9,7 +9,7 @@ import (
 
 /*daemonization/service related stuff*/
 type CommonCfg struct {
-	Daemonize      bool
+	Daemonize      string     // TODO: This is just for backward compat. Remove this later
 	PidDir         string     `yaml:"pid_dir,omitempty"` // TODO: This is just for backward compat. Remove this later
 	LogMedia       string     `yaml:"log_media"`
 	LogDir         string     `yaml:"log_dir,omitempty"` // if LogMedia = file
@@ -30,6 +30,10 @@ func (c *Config) loadCommon() error {
 		c.Common = &CommonCfg{}
 	}
 
+	if c.Common.Daemonize != "" {
+		log.Debug("the option 'daemonize' is deprecated and ignored")
+	}
+
 	if c.Common.LogMedia == "" {
 		c.Common.LogMedia = "stdout"
 	}

pkg/csconfig/config.go

@@ -115,9 +115,8 @@ func GetConfig() Config {
 func NewDefaultConfig() *Config {
 	logLevel := log.InfoLevel
 	commonCfg := CommonCfg{
-		Daemonize: false,
-		LogMedia:  "stdout",
-		LogLevel:  &logLevel,
+		LogMedia: "stdout",
+		LogLevel: &logLevel,
 	}
 	prometheus := PrometheusCfg{
 		Enabled: true,

pkg/csconfig/testdata/config.yaml

@@ -1,5 +1,4 @@
 common:
-  daemonize: false
   log_media: stdout
   log_level: info
 prometheus: