Refine and fix parameters

This changes refines parameters in multus thick/thin.
- delete unused parameter, confDir
- add multus-cni-conf-dir
- fix multusConfigPath in non-default params case

cmd/multus-daemon/main.go

@@ -80,8 +80,6 @@ func main() {
 			_ = logging.Errorf("the CNI version is a mandatory parameter when the '-multus-config-file=auto' option is used")
 		}
 
-		multusConf.SocketDir = daemonConf.SocketDir
-
 		var configManager *config.Manager
 		if multusConf.MultusMasterCni == "" {
 			configManager, err = config.NewManager(*multusConf, multusConf.MultusAutoconfigDir, multusConf.ForceCNIVersion)

cmd/thin_entrypoint/main.go

@@ -41,6 +41,7 @@ type Options struct {
 	CNIVersion               string
 	MultusConfFile           string
 	MultusBinFile            string // may be hidden or remove?
+	MultusCNIConfDir         string
 	SkipMultusBinaryCopy     bool
 	MultusKubeConfigFileHost string
 	MultusMasterCNIFileName  string
@@ -72,6 +73,7 @@ func (o *Options) addFlags() {
 	fs.StringVar(&o.CNIVersion, "cni-version", "", "CNI version for multus CNI config (e.g. '0.3.1')")
 	fs.StringVar(&o.MultusConfFile, "multus-conf-file", "auto", "multus CNI config file")
 	fs.StringVar(&o.MultusBinFile, "multus-bin-file", "/usr/src/multus-cni/bin/multus", "multus binary file path")
+	fs.StringVar(&o.MultusCNIConfDir, "multus-cni-conf-dir", "/host/etc/cni/multus/net.d", "multus specific CNI config directory")
 	fs.BoolVar(&o.SkipMultusBinaryCopy, "skip-multus-binary-copy", false, "skip multus binary file copy")
 
 	fs.StringVar(&o.MultusKubeConfigFileHost, "multus-kubeconfig-file-host", "/etc/cni/net.d/multus.d/multus.kubeconfig", "kubeconfig for multus (used only with --multus-conf-file=auto)")
@@ -152,6 +154,11 @@ func (o *Options) createKubeConfig(currentFileHash []byte) ([]byte, error) {
 		return nil, fmt.Errorf("cannot create multus.d directory: %v", err)
 	}
 
+	// create multus cni conf directory
+	if err := os.MkdirAll(o.MultusCNIConfDir, 0755); err != nil {
+		return nil, fmt.Errorf("cannot create multus-cni-conf-dir(%s) directory: %v", o.MultusCNIConfDir, err)
+	}
+
 	// get Kubernetes service protocol/host/port
 	kubeProtocol := os.Getenv("KUBERNETES_SERVICE_PROTOCOL")
 	if kubeProtocol == "" {
@@ -249,6 +256,8 @@ const multusConflistTemplate = `{
             .LogFileConfig
         }}{{
             .AdditionalBinDirConfig
+        }}{{
+            .MultusCNIConfDirConfig
         }}{{
             .ReadinessIndicatorFileConfig
         }}
@@ -277,6 +286,8 @@ const multusConfTemplate = `{
             .LogFileConfig
         }}{{
             .AdditionalBinDirConfig
+        }}{{
+            .MultusCNIConfDirConfig
         }}{{
             .ReadinessIndicatorFileConfig
         }}
@@ -415,6 +426,12 @@ func (o *Options) createMultusConfig() (string, error) {
 		additionalBinDirConfig = fmt.Sprintf("\n        \"binDir\": %q,", o.AdditionalBinDir)
 	}
 
+	// check MultusCNIConfDir
+	multusCNIConfDirConfig := ""
+	if o.MultusCNIConfDir != "" {
+		multusCNIConfDirConfig = fmt.Sprintf("\n        \"cniConf\": %q,", o.MultusCNIConfDir)
+	}
+
 	// check ReadinessIndicatorFile
 	readinessIndicatorFileConfig := ""
 	if o.ReadinessIndicatorFile != "" {
@@ -459,6 +476,7 @@ func (o *Options) createMultusConfig() (string, error) {
 		"LogLevelConfig":               logLevelConfig,
 		"LogFileConfig":                logFileConfig,
 		"AdditionalBinDirConfig":       additionalBinDirConfig,
+		"MultusCNIConfDirConfig":       multusCNIConfDirConfig,
 		"ReadinessIndicatorFileConfig": readinessIndicatorFileConfig,
 		"MultusKubeConfigFileHost":     o.MultusKubeConfigFileHost, // be fixed?
 		"MasterPluginJSON":             string(masterPluginByte),

cmd/thin_entrypoint/main_test.go

@@ -210,6 +210,7 @@ var _ = Describe("thin entrypoint testing", func() {
 			MultusLogLevel:           "DEBUG",
 			MultusLogFile:            "/tmp/foobar.log",
 			AdditionalBinDir:         "/tmp/add_bin_dir",
+			MultusCNIConfDir:         "/tmp/multus/net.d",
 			ReadinessIndicatorFile:   "/var/lib/foobar_indicator",
 		}).createMultusConfig()
 		Expect(err).NotTo(HaveOccurred())
@@ -225,6 +226,7 @@ var _ = Describe("thin entrypoint testing", func() {
         "logLevel": "debug",
         "logFile": "/tmp/foobar.log",
         "binDir": "/tmp/add_bin_dir",
+        "cniConf": "/tmp/multus/net.d",
         "readinessindicatorfile": "/var/lib/foobar_indicator",
         "kubeconfig": "/etc/foobar_kubeconfig",
         "delegates": [
@@ -368,6 +370,7 @@ var _ = Describe("thin entrypoint testing", func() {
 			MultusLogLevel:           "DEBUG",
 			MultusLogFile:            "/tmp/foobar.log",
 			AdditionalBinDir:         "/tmp/add_bin_dir",
+			MultusCNIConfDir:         "/tmp/multus/net.d",
 			ReadinessIndicatorFile:   "/var/lib/foobar_indicator",
 		}).createMultusConfig()
 		Expect(err).NotTo(HaveOccurred())
@@ -385,6 +388,7 @@ var _ = Describe("thin entrypoint testing", func() {
         "logLevel": "debug",
         "logFile": "/tmp/foobar.log",
         "binDir": "/tmp/add_bin_dir",
+        "cniConf": "/tmp/multus/net.d",
         "readinessindicatorfile": "/var/lib/foobar_indicator",
         "kubeconfig": "/etc/foobar_kubeconfig",
         "delegates": [

deployments/multus-daemonset-thick.yml

@@ -111,13 +111,12 @@ data:
   daemon-config.json: |
     {
         "chrootDir": "/hostroot",
-        "confDir": "/host/etc/cni/net.d",
-        "logLevel": "verbose",
-        "socketDir": "/host/run/multus/",
         "cniVersion": "0.3.1",
-        "cniConfigDir": "/host/etc/cni/net.d",
+        "logLevel": "verbose",
+        "logToStderr": true,
+        "multusAutoconfigDir": "/host/etc/cni/net.d",
         "multusConfigFile": "auto",
-        "multusAutoconfigDir": "/host/etc/cni/net.d"
+        "socketDir": "/host/run/multus/"
     }
 ---
 apiVersion: apps/v1

pkg/multus/multus.go

@@ -651,7 +651,7 @@ func CmdAdd(args *skel.CmdArgs, exec invoke.Exec, kubeClient *k8s.ClientInfo) (c
 
 		// check Interfaces and IPs because some CNI plugin does not create any interface
 		// and just returns empty result
-		if res != nil &&  (res.Interfaces != nil || res.IPs != nil) {
+		if res != nil && (res.Interfaces != nil || res.IPs != nil) {
 			// Remove gateway from routing table if the gateway is not used
 			deleteV4gateway := false
 			deleteV6gateway := false

pkg/server/config/generator.go

@@ -55,7 +55,7 @@ type MultusConf struct {
 	Type                     string              `json:"type"`
 	CniDir                   string              `json:"cniDir,omitempty"`
 	CniConfigDir             string              `json:"cniConfigDir,omitempty"`
-	SocketDir                string              `json:"socketDir,omitempty"`
+	DaemonSocketDir          string              `json:"daemonSocketDir,omitempty"`
 	MultusConfigFile         string              `json:"multusConfigFile,omitempty"`
 	MultusMasterCni          string              `json:"multusMasterCNI,omitempty"`
 	MultusAutoconfigDir      string              `json:"multusAutoconfigDir,omitempty"`

pkg/server/config/manager.go

@@ -108,7 +108,7 @@ func newManager(config MultusConf, multusConfigDir, defaultCNIPluginName string,
 		configWatcher:        watcher,
 		multusConfig:         &config,
 		multusConfigDir:      multusConfigDir,
-		multusConfigFilePath: cniPluginConfigFilePath(multusConfigDir, multusConfigFileName),
+		multusConfigFilePath: cniPluginConfigFilePath(config.CniConfigDir, multusConfigFileName),
 		primaryCNIConfigPath: cniPluginConfigFilePath(multusConfigDir, defaultCNIPluginName),
 	}