Refactoring thick daemon config processing

to damonset config file, hence command line option parsing is no
longer used. This change removes these parts.

Fix #1058.

cmd/multus-daemon/main.go

@@ -34,35 +34,17 @@ import (
 	srv "gopkg.in/k8snetworkplumbingwg/multus-cni.v3/pkg/server"
 	"gopkg.in/k8snetworkplumbingwg/multus-cni.v3/pkg/server/api"
 	"gopkg.in/k8snetworkplumbingwg/multus-cni.v3/pkg/server/config"
-	"gopkg.in/k8snetworkplumbingwg/multus-cni.v3/pkg/types"
 
 	"github.com/prometheus/client_golang/prometheus/promhttp"
 )
 
-const (
-	multusPluginName                    = "multus-shim"
-	defaultCniConfigDir                 = "/etc/cni/net.d"
-	defaultMultusGlobalNamespaces       = ""
-	defaultMultusLogFile                = ""
-	defaultMultusLogMaxSize             = 100 // megabytes
-	defaultMultusLogMaxAge              = 5   // days
-	defaultMultusLogMaxBackups          = 5
-	defaultMultusLogCompress            = true
-	defaultMultusLogLevel               = ""
-	defaultMultusLogToStdErr            = false
-	defaultMultusMasterCNIFile          = ""
-	defaultMultusNamespaceIsolation     = false
-	defaultMultusReadinessIndicatorFile = ""
-	defaultSocketDir                    = "/run/multus/"
-)
-
 func main() {
 	flag.CommandLine = flag.NewFlagSet(os.Args[0], flag.ExitOnError)
 
 	// keep in command line option
 	version := flag.Bool("version", false, "Show version")
 
-	configFilePath := flag.String("config", types.DefaultMultusDaemonConfigFile, "Specify the path to the multus-daemon configuration")
+	configFilePath := flag.String("config", srv.DefaultMultusDaemonConfigFile, "Specify the path to the multus-daemon configuration")
 
 	flag.Parse()
 
@@ -98,75 +80,14 @@ func main() {
 			_ = logging.Errorf("the CNI version is a mandatory parameter when the '-multus-config-file=auto' option is used")
 		}
 
-		var configurationOptions []config.Option
+		multusConf.SocketDir = daemonConf.SocketDir
-
-		if multusConf.NamespaceIsolation {
-			configurationOptions = append(
-				configurationOptions, config.WithNamespaceIsolation())
-		}
-
-		if multusConf.RawNonIsolatedNamespaces != defaultMultusGlobalNamespaces {
-			configurationOptions = append(
-				configurationOptions, config.WithGlobalNamespaces(multusConf.RawNonIsolatedNamespaces))
-		}
-
-		if multusConf.LogToStderr != defaultMultusLogToStdErr {
-			configurationOptions = append(
-				configurationOptions, config.WithLogToStdErr())
-		}
-
-		if multusConf.LogLevel != defaultMultusLogLevel {
-			configurationOptions = append(
-				configurationOptions, config.WithLogLevel(multusConf.LogLevel))
-		}
-
-		if multusConf.LogFile != defaultMultusLogFile {
-			configurationOptions = append(
-				configurationOptions, config.WithLogFile(multusConf.LogFile))
-		}
-
-		if multusConf.ReadinessIndicatorFile != defaultMultusReadinessIndicatorFile {
-			configurationOptions = append(
-				configurationOptions, config.WithReadinessFileIndicator(multusConf.ReadinessIndicatorFile))
-		}
-
-		configurationOptions = append(
-			configurationOptions,
-			config.WithCniConfigDir(multusConf.CniConfigDir),
-			config.WithSocketDir(daemonConf.SocketDir))
-
-		var logOptionFuncs []config.LogOptionFunc
-		if multusConf.LogMaxAge != defaultMultusLogMaxAge {
-			logOptionFuncs = append(logOptionFuncs, config.WithLogMaxAge(&multusConf.LogMaxAge))
-		}
-		if multusConf.LogMaxSize != defaultMultusLogMaxSize {
-			logOptionFuncs = append(logOptionFuncs, config.WithLogMaxSize(&multusConf.LogMaxSize))
-		}
-		if multusConf.LogMaxBackups != defaultMultusLogMaxBackups {
-			logOptionFuncs = append(logOptionFuncs, config.WithLogMaxBackups(&multusConf.LogMaxBackups))
-		}
-		if multusConf.LogCompress != defaultMultusLogCompress {
-			logOptionFuncs = append(logOptionFuncs, config.WithLogCompress(&multusConf.LogCompress))
-		}
-
-		if len(logOptionFuncs) > 0 {
-			logOptions := &config.LogOptions{}
-			config.MutateLogOptions(logOptions, logOptionFuncs...)
-			configurationOptions = append(configurationOptions, config.WithLogOptions(logOptions))
-		}
-
-		multusConfig, err := config.NewMultusConfig(multusPluginName, multusConf.CNIVersion, configurationOptions...)
-		if err != nil {
-			_ = logging.Errorf("Failed to create multus config: %v", err)
-			os.Exit(3)
-		}
 
 		var configManager *config.Manager
 		if multusConf.MultusMasterCni == "" {
-			configManager, err = config.NewManager(*multusConfig, multusConf.MultusAutoconfigDir, multusConf.ForceCNIVersion)
+			configManager, err = config.NewManager(*multusConf, multusConf.MultusAutoconfigDir, multusConf.ForceCNIVersion)
 		} else {
 			configManager, err = config.NewManagerWithExplicitPrimaryCNIPlugin(
-				*multusConfig, multusConf.MultusAutoconfigDir, multusConf.MultusMasterCni, multusConf.ForceCNIVersion)
+				*multusConf, multusConf.MultusAutoconfigDir, multusConf.MultusMasterCni, multusConf.ForceCNIVersion)
 		}
 		if err != nil {
 			_ = logging.Errorf("failed to create the configuration manager for the primary CNI plugin: %v", err)
@@ -221,7 +142,7 @@ func main() {
 	// never reached
 }
 
-func startMultusDaemon(daemonConfig *types.ControllerNetConf, stopCh chan struct{}, done chan struct{}) error {
+func startMultusDaemon(daemonConfig *srv.ControllerNetConf, stopCh chan struct{}, done chan struct{}) error {
 	if user, err := user.Current(); err != nil || user.Uid != "0" {
 		return fmt.Errorf("failed to run multus-daemon with root: %v, now running in uid: %s", err, user.Uid)
 	}
@@ -263,12 +184,12 @@ func startMultusDaemon(daemonConfig *types.ControllerNetConf, stopCh chan struct
 	return nil
 }
 
-func cniServerConfig(configFilePath string) (*types.ControllerNetConf, error) {
+func cniServerConfig(configFilePath string) (*srv.ControllerNetConf, error) {
 	configFileContents, err := os.ReadFile(configFilePath)
 	if err != nil {
 		return nil, err
 	}
-	return types.LoadDaemonNetConf(configFileContents)
+	return srv.LoadDaemonNetConf(configFileContents)
 }
 
 func copyUserProvidedConfig(multusConfigPath string, cniConfigDir string) error {

deployments/multus-daemonset-thick.yml

@@ -112,11 +112,7 @@ data:
     {
         "chrootDir": "/hostroot",
         "confDir": "/host/etc/cni/net.d",
-        "logToStderr": true,
         "logLevel": "verbose",
-        "logFile": "/tmp/multus.log",
-        "binDir": "/opt/cni/bin",
-        "cniDir": "/var/lib/cni/multus",
         "socketDir": "/host/run/multus/",
         "cniVersion": "0.3.1",
         "cniConfigDir": "/host/etc/cni/net.d",

pkg/server/config/generator.go

@@ -25,68 +25,42 @@ import (
 	"time"
 
 	"github.com/blang/semver"
+
+	"gopkg.in/k8snetworkplumbingwg/multus-cni.v3/pkg/logging"
 )
 
 const (
 	configListCapabilityKey   = "plugins"
+	multusPluginName          = "multus-shim"
 	singleConfigCapabilityKey = "capabilities"
 )
 
-// LogOptionFunc mutates the `LoggingOptions` object
-type LogOptionFunc func(logOptions *LogOptions)
-
 // Option mutates the `conf` object
 type Option func(conf *MultusConf) error
 
-// MultusConf holds the multus configuration, and persists it to disk
+// MultusConf holds the multus configuration
 type MultusConf struct {
-	BinDir                   string          `json:"binDir,omitempty"`
+	BinDir                   string              `json:"binDir,omitempty"`
-	Capabilities             map[string]bool `json:"capabilities,omitempty"`
+	Capabilities             map[string]bool     `json:"capabilities,omitempty"`
-	CNIVersion               string          `json:"cniVersion"`
+	CNIVersion               string              `json:"cniVersion"`
-	LogFile                  string          `json:"logFile,omitempty"`
+	LogFile                  string              `json:"logFile,omitempty"`
-	LogLevel                 string          `json:"logLevel,omitempty"`
+	LogLevel                 string              `json:"logLevel,omitempty"`
-	LogToStderr              bool            `json:"logToStderr,omitempty"`
+	LogToStderr              bool                `json:"logToStderr,omitempty"`
-	LogOptions               *LogOptions     `json:"logOptions,omitempty"`
+	LogOptions               *logging.LogOptions `json:"logOptions,omitempty"`
-	Name                     string          `json:"name"`
+	Name                     string              `json:"name"`
-	ClusterNetwork           string          `json:"clusterNetwork,omitempty"`
+	ClusterNetwork           string              `json:"clusterNetwork,omitempty"`
-	NamespaceIsolation       bool            `json:"namespaceIsolation,omitempty"`
+	NamespaceIsolation       bool                `json:"namespaceIsolation,omitempty"`
-	RawNonIsolatedNamespaces string          `json:"globalNamespaces,omitempty"`
+	RawNonIsolatedNamespaces string              `json:"globalNamespaces,omitempty"`
-	ReadinessIndicatorFile   string          `json:"readinessindicatorfile,omitempty"`
+	ReadinessIndicatorFile   string              `json:"readinessindicatorfile,omitempty"`
-	Type                     string          `json:"type"`
+	Type                     string              `json:"type"`
-	CniDir                   string          `json:"cniDir,omitempty"`
+	CniDir                   string              `json:"cniDir,omitempty"`
-	CniConfigDir             string          `json:"cniConfigDir,omitempty"`
+	CniConfigDir             string              `json:"cniConfigDir,omitempty"`
-	SocketDir                string          `json:"socketDir,omitempty"`
+	SocketDir                string              `json:"socketDir,omitempty"`
-	MultusConfigFile         string          `json:"multusConfigFile,omitempty"`
+	MultusConfigFile         string              `json:"multusConfigFile,omitempty"`
-	LogMaxAge                int             `json:"logMaxAge,omitempty"`
+	MultusMasterCni          string              `json:"multusMasterCNI,omitempty"`
-	LogMaxSize               int             `json:"logMaxSize,omitempty"`
+	MultusAutoconfigDir      string              `json:"multusAutoconfigDir,omitempty"`
-	LogMaxBackups            int             `json:"logMaxBackups,omitempty"`
+	ForceCNIVersion          bool                `json:"forceCNIVersion,omitempty"`
-	LogCompress              bool            `json:"logCompress,omitempty"`
+	OverrideNetworkName      bool                `json:"overrideNetworkName,omitempty"`
-	MultusMasterCni          string          `json:"multusMasterCNI,omitempty"`
-	MultusAutoconfigDir      string          `json:"multusAutoconfigDir,omitempty"`
-	ForceCNIVersion          bool            `json:"forceCNIVersion,omitempty"`
-	OverrideNetworkName      bool            `json:"overrideNetworkName,omitempty"`
-}
-
-// LogOptions specifies the configuration of the log
-type LogOptions struct {
-	MaxAge     *int  `json:"maxAge,omitempty"`
-	MaxSize    *int  `json:"maxSize,omitempty"`
-	MaxBackups *int  `json:"maxBackups,omitempty"`
-	Compress   *bool `json:"compress,omitempty"`
-}
-
-// NewMultusConfig creates a basic configuration generator. It can be mutated
-// via the `With...` methods.
-func NewMultusConfig(pluginName string, cniVersion string, configurationOptions ...Option) (*MultusConf, error) {
-	multusConfig := &MultusConf{
-		Name:         MultusDefaultNetworkName,
-		CNIVersion:   cniVersion,
-		Type:         pluginName,
-		Capabilities: map[string]bool{},
-	}
-
-	err := multusConfig.Mutate(configurationOptions...)
-	return multusConfig, err
 }
 
 // ParseMultusConfig parses multus config from configPath and create MultusConf.
@@ -96,11 +70,17 @@ func ParseMultusConfig(configPath string) (*MultusConf, error) {
 		return nil, fmt.Errorf("ParseMultusConfig failed to read the config file's contents: %w", err)
 	}
 
-	multusconf := MultusConf{MultusConfigFile: "auto"}
+	multusconf := MultusConf{
+		MultusConfigFile: "auto",
+		Type:             multusPluginName,
+		Capabilities:     map[string]bool{},
+		CniConfigDir:     "/etc/cni/net.d",
+	}
 
 	if err := json.Unmarshal(config, &multusconf); err != nil {
 		return nil, fmt.Errorf("failed to unmarshall the daemon configuration: %w", err)
 	}
+	multusconf.Name = MultusDefaultNetworkName // change name
 
 	return &multusconf, nil
 }
@@ -142,138 +122,16 @@ func CheckVersionCompatibility(mc *MultusConf, delegate interface{}) error {
 // Generate generates the multus configuration from whatever state is currently
 // held
 func (mc *MultusConf) Generate() (string, error) {
+	// before marshal, flush variables which is not required for multus-shim config
+	mc.CniConfigDir = ""
+	mc.MultusConfigFile = ""
+	mc.MultusAutoconfigDir = ""
+
 	data, err := json.Marshal(mc)
 	return string(data), err
 }
 
-// Mutate updates the MultusConf attributes according to the provided
+func (mc *MultusConf) setCapabilities(cniData interface{}) error {
-// configuration `Option`s
-func (mc *MultusConf) Mutate(configurationOptions ...Option) error {
-	for _, configOption := range configurationOptions {
-		err := configOption(mc)
-		if err != nil {
-			return err
-		}
-	}
-
-	return nil
-}
-
-// WithNamespaceIsolation mutates the inner state to enable the
-// NamespaceIsolation attribute
-func WithNamespaceIsolation() Option {
-	return func(conf *MultusConf) error {
-		conf.NamespaceIsolation = true
-		return nil
-	}
-}
-
-// WithGlobalNamespaces mutates the inner state to set the
-// RawNonIsolatedNamespaces attribute
-func WithGlobalNamespaces(globalNamespaces string) Option {
-	return func(conf *MultusConf) error {
-		conf.RawNonIsolatedNamespaces = globalNamespaces
-		return nil
-	}
-}
-
-// WithLogToStdErr mutates the inner state to enable the
-// WithLogToStdErr attribute
-func WithLogToStdErr() Option {
-	return func(conf *MultusConf) error {
-		conf.LogToStderr = true
-		return nil
-	}
-}
-
-// WithLogLevel mutates the inner state to set the
-// LogLevel attribute
-func WithLogLevel(logLevel string) Option {
-	return func(conf *MultusConf) error {
-		conf.LogLevel = logLevel
-		return nil
-	}
-}
-
-// WithLogFile mutates the inner state to set the
-// logFile attribute
-func WithLogFile(logFile string) Option {
-	return func(conf *MultusConf) error {
-		conf.LogFile = logFile
-		return nil
-	}
-}
-
-// WithLogOptions mutates the inner state to set the
-// LogOptions attribute
-func WithLogOptions(logOptions *LogOptions) Option {
-	return func(conf *MultusConf) error {
-		conf.LogOptions = logOptions
-		return nil
-	}
-}
-
-// WithReadinessFileIndicator mutates the inner state to set the
-// ReadinessIndicatorFile attribute
-func WithReadinessFileIndicator(path string) Option {
-	return func(conf *MultusConf) error {
-		conf.ReadinessIndicatorFile = path
-		return nil
-	}
-}
-
-// WithAdditionalBinaryFileDir mutates the inner state to set the
-// BinDir attribute
-func WithAdditionalBinaryFileDir(directoryPath string) Option {
-	return func(conf *MultusConf) error {
-		conf.BinDir = directoryPath
-		return nil
-	}
-}
-
-// WithOverriddenName mutates the inner state to set the
-// Name attribute
-func WithOverriddenName(networkName string) Option {
-	return func(conf *MultusConf) error {
-		conf.Name = networkName
-		return nil
-	}
-}
-
-// WithCniDir mutates the inner state to set the
-// multus CNI cache directory
-func WithCniDir(cniDir string) Option {
-	return func(conf *MultusConf) error {
-		conf.CniDir = cniDir
-		return nil
-	}
-}
-
-// WithCniConfigDir mutates the inner state to set the
-// multus CNI configuration directory
-func WithCniConfigDir(confDir string) Option {
-	return func(conf *MultusConf) error {
-		conf.CniConfigDir = confDir
-		return nil
-	}
-}
-
-// WithSocketDir mutates the socket directory
-func WithSocketDir(sockDir string) Option {
-	return func(conf *MultusConf) error {
-		conf.SocketDir = sockDir
-		return nil
-	}
-}
-
-func withClusterNetwork(clusterNetwork string) Option {
-	return func(conf *MultusConf) error {
-		conf.ClusterNetwork = clusterNetwork
-		return nil
-	}
-}
-
-func withCapabilities(cniData interface{}) Option {
 	var enabledCapabilities []string
 	var pluginsList []interface{}
 	cniDataMap, ok := cniData.(map[string]interface{})
@@ -282,9 +140,7 @@ func withCapabilities(cniData interface{}) Option {
 			pluginsList = pluginsListEntry.([]interface{})
 		}
 	} else {
-		return func(conf *MultusConf) error {
+		return errors.New("couldn't get cni config from delegate")
-			return errors.New("couldn't get cni config from delegate")
-		}
 	}
 
 	if len(pluginsList) > 0 {
@@ -297,52 +153,10 @@ func withCapabilities(cniData interface{}) Option {
 		enabledCapabilities = extractCapabilities(cniData)
 	}
 
-	return func(conf *MultusConf) error {
+	for _, capability := range enabledCapabilities {
-		for _, capability := range enabledCapabilities {
+		mc.Capabilities[capability] = true
-			conf.Capabilities[capability] = true
-		}
-		return nil
-	}
-}
-
-// MutateLogOptions update the LoggingOptions of the MultusConf according
-// to the provided configuration `loggingOptions`
-func MutateLogOptions(logOption *LogOptions, logOptionFunc ...LogOptionFunc) {
-	for _, loggingOption := range logOptionFunc {
-		loggingOption(logOption)
-	}
-}
-
-// WithLogMaxSize mutates the inner state to set the
-// logMaxSize attribute
-func WithLogMaxSize(maxSize *int) LogOptionFunc {
-	return func(logOptions *LogOptions) {
-		logOptions.MaxSize = maxSize
-	}
-}
-
-// WithLogMaxAge mutates the inner state to set the
-// logMaxAge attribute
-func WithLogMaxAge(maxAge *int) LogOptionFunc {
-	return func(logOptions *LogOptions) {
-		logOptions.MaxAge = maxAge
-	}
-}
-
-// WithLogMaxBackups mutates the inner state to set the
-// logMaxBackups attribute
-func WithLogMaxBackups(maxBackups *int) LogOptionFunc {
-	return func(logOptions *LogOptions) {
-		logOptions.MaxBackups = maxBackups
-	}
-}
-
-// WithLogCompress mutates the inner state to set the
-// logCompress attribute
-func WithLogCompress(compress *bool) LogOptionFunc {
-	return func(logOptions *LogOptions) {
-		logOptions.Compress = compress
 	}
+	return nil
 }
 
 func extractCapabilities(capabilitiesInterface interface{}) []string {

pkg/server/config/generator_test.go

@@ -20,8 +20,6 @@ import (
 	"os"
 	"testing"
 
-	testutils "gopkg.in/k8snetworkplumbingwg/multus-cni.v3/pkg/testing"
-
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
 )
@@ -50,14 +48,6 @@ var primaryCNIConfig = map[string]interface{}{
 }
 var primaryCNIFile = "/etc/cni/net.d/10-flannel.conf"
 
-func newMultusConfigWithDelegates(pluginName string, cniVersion string, primaryCNIFile string, configOptions ...Option) (*MultusConf, error) {
-	multusConfig, err := NewMultusConfig(pluginName, cniVersion, configOptions...)
-	if err != nil {
-		return multusConfig, err
-	}
-	return multusConfig, multusConfig.Mutate(withClusterNetwork(primaryCNIFile))
-}
-
 var _ = Describe("Configuration Generator", func() {
 	var tmpDir string
 	var err error
@@ -73,280 +63,38 @@ var _ = Describe("Configuration Generator", func() {
 	})
 
 	It("basic multus config", func() {
-		multusConfig, err := newMultusConfigWithDelegates(
+		multusConfFile := fmt.Sprintf(`{
-			primaryCNIName,
+			"name": %q,
-			cniVersion,
+			"cniVersion": %q,
-			primaryCNIFile)
+			"clusterNetwork": %q
-		Expect(err).NotTo(HaveOccurred())
+		}`, primaryCNIName, cniVersion, primaryCNIFile)
-		expectedResult := fmt.Sprintf(`
+		multusConfFileName := fmt.Sprintf("%s/10-testcni.conf", tmpDir)
-			{
+		Expect(os.WriteFile(multusConfFileName, []byte(multusConfFile), 0755)).To(Succeed())
-				"cniVersion":"0.4.0",
-				"clusterNetwork":"%s",
-				"name":"multus-cni-network",
-				"type":"myCNI"
-			}`, primaryCNIFile)
-		Expect(multusConfig.Generate()).Should(MatchJSON(expectedResult))
-	})
 
-	It("multus config with namespaceisolation", func() {
+		multusConfig, err := ParseMultusConfig(multusConfFileName)
-		multusConfig, err := newMultusConfigWithDelegates(
-			primaryCNIName,
-			cniVersion,
-			primaryCNIFile,
-			WithNamespaceIsolation())
 		Expect(err).NotTo(HaveOccurred())
 		expectedResult := fmt.Sprintf(`
 			{
 				"cniVersion":"0.4.0",
 				"clusterNetwork":"%s",
 				"name":"multus-cni-network",
-				"namespaceIsolation":true,
+				"type":"multus-shim"
-				"type":"myCNI"
-			}`, primaryCNIFile)
-		Expect(multusConfig.Generate()).Should(MatchJSON(expectedResult))
-	})
-
-	It("multus config with readinessindicator", func() {
-		multusConfig, err := newMultusConfigWithDelegates(
-			primaryCNIName,
-			cniVersion,
-			primaryCNIFile,
-			WithReadinessFileIndicator("/a/b/u/it-lives"))
-		Expect(err).NotTo(HaveOccurred())
-		expectedResult := fmt.Sprintf(`
-			{
-				"cniVersion":"0.4.0",
-				"clusterNetwork":"%s",
-				"name":"multus-cni-network",
-				"readinessindicatorfile":"/a/b/u/it-lives",
-				"type":"myCNI"
-			}`, primaryCNIFile)
-		Expect(multusConfig.Generate()).Should(MatchJSON(expectedResult))
-	})
-
-	It("multus config with logging configuration", func() {
-		multusConfig, err := newMultusConfigWithDelegates(
-			primaryCNIName,
-			cniVersion,
-			primaryCNIFile,
-			WithLogLevel("notice"),
-			WithLogToStdErr(),
-			WithLogFile("/u/y/w/log.1"))
-		Expect(err).NotTo(HaveOccurred())
-		expectedResult := fmt.Sprintf(`
-			{
-				"cniVersion":"0.4.0",
-				"clusterNetwork":"%s",
-				"logFile":"/u/y/w/log.1",
-				"logLevel":"notice",
-				"logToStderr":true, 
-				"name":"multus-cni-network",
-				"type":"myCNI"
-			}`, primaryCNIFile)
-		Expect(multusConfig.Generate()).Should(MatchJSON(expectedResult))
-	})
-
-	It("multus config with logging options configuration", func() {
-		multusConfig, err := newMultusConfigWithDelegates(
-			primaryCNIName,
-			cniVersion,
-			primaryCNIFile,
-			WithLogOptions(&LogOptions{
-				MaxAge:     testutils.Int(5),
-				MaxSize:    testutils.Int(100),
-				MaxBackups: testutils.Int(5),
-				Compress:   testutils.Bool(true),
-			}))
-		Expect(err).NotTo(HaveOccurred())
-		expectedResult := fmt.Sprintf(`
-			{
-				"cniVersion":"0.4.0",
-				"clusterNetwork":"%s",
-				"name":"multus-cni-network",
-				"logOptions": {
-					"maxAge": 5,
-					"maxSize": 100,
-					"maxBackups": 5,
-					"compress": true
-				},
-				"type":"myCNI"
-			}`, primaryCNIFile)
-		Expect(multusConfig.Generate()).Should(MatchJSON(expectedResult))
-	})
-
-	It("multus config with logging options with max age", func() {
-		logOption := &LogOptions{}
-		MutateLogOptions(logOption, WithLogMaxAge(testutils.Int(5)))
-		multusConfig, err := newMultusConfigWithDelegates(
-			primaryCNIName,
-			cniVersion,
-			primaryCNIFile,
-			WithLogOptions(logOption))
-		Expect(err).NotTo(HaveOccurred())
-		expectedResult := fmt.Sprintf(`
-			{
-				"cniVersion":"0.4.0",
-				"clusterNetwork":"%s",
-				"name":"multus-cni-network",
-				"logOptions": {
-					"maxAge": 5
-				},
-				"type":"myCNI"
-			}`, primaryCNIFile)
-		Expect(multusConfig.Generate()).Should(MatchJSON(expectedResult))
-	})
-
-	It("multus config with logging options with max size", func() {
-		logOption := &LogOptions{}
-		MutateLogOptions(logOption, WithLogMaxSize(testutils.Int(100)))
-		multusConfig, err := newMultusConfigWithDelegates(
-			primaryCNIName,
-			cniVersion,
-			primaryCNIFile,
-			WithLogOptions(logOption))
-		Expect(err).NotTo(HaveOccurred())
-		expectedResult := fmt.Sprintf(`
-			{
-				"cniVersion":"0.4.0",
-				"clusterNetwork":"%s",
-				"name":"multus-cni-network",
-				"logOptions": {
-					"maxSize": 100
-				},
-				"type":"myCNI"
-			}`, primaryCNIFile)
-		Expect(multusConfig.Generate()).Should(MatchJSON(expectedResult))
-	})
-
-	It("multus config with logging options with log max backups", func() {
-		logOption := &LogOptions{}
-		MutateLogOptions(logOption, WithLogMaxBackups(testutils.Int(5)))
-		multusConfig, err := newMultusConfigWithDelegates(
-			primaryCNIName,
-			cniVersion,
-			primaryCNIFile,
-			WithLogOptions(logOption))
-		Expect(err).NotTo(HaveOccurred())
-		expectedResult := fmt.Sprintf(`
-			{
-				"cniVersion":"0.4.0",
-				"clusterNetwork":"%s",
-				"name":"multus-cni-network",
-				"logOptions": {
-					"maxBackups": 5
-				},
-				"type":"myCNI"
-			}`, primaryCNIFile)
-		Expect(multusConfig.Generate()).Should(MatchJSON(expectedResult))
-	})
-
-	It("multus config with logging options with log compress", func() {
-		logOption := &LogOptions{}
-		MutateLogOptions(logOption, WithLogCompress(testutils.Bool(true)))
-		multusConfig, err := newMultusConfigWithDelegates(
-			primaryCNIName,
-			cniVersion,
-			primaryCNIFile,
-			WithLogOptions(logOption))
-		Expect(err).NotTo(HaveOccurred())
-		expectedResult := fmt.Sprintf(`
-			{
-				"cniVersion":"0.4.0",
-				"clusterNetwork":"%s",
-				"name":"multus-cni-network",
-				"logOptions": {
-					"compress": true
-				},
-				"type":"myCNI"
-			}`, primaryCNIFile)
-		Expect(multusConfig.Generate()).Should(MatchJSON(expectedResult))
-	})
-
-	It("generates a multus config with CNI configuration directory", func() {
-		cniConfigDir := "/host/etc/cni/net.d"
-		multusConfig, err := newMultusConfigWithDelegates(
-			primaryCNIName,
-			cniVersion,
-			primaryCNIFile,
-			WithCniConfigDir(cniConfigDir))
-		Expect(err).NotTo(HaveOccurred())
-		expectedResult := fmt.Sprintf(`
-			{
-				"cniVersion":"0.4.0",
-				"clusterNetwork":"%s",
-				"name":"multus-cni-network",
-				"cniConfigDir":"/host/etc/cni/net.d",
-				"type":"myCNI"
-			}`, primaryCNIFile)
-		Expect(multusConfig.Generate()).Should(MatchJSON(expectedResult))
-	})
-
-	It("generates a multus config with a custom socket directory", func() {
-		socketDir := "/var/run/multus/multussock/"
-		multusConfig, err := newMultusConfigWithDelegates(
-			primaryCNIName,
-			cniVersion,
-			primaryCNIFile,
-			WithSocketDir(socketDir))
-		Expect(err).NotTo(HaveOccurred())
-		expectedResult := fmt.Sprintf(`
-			{
-				"cniVersion":"0.4.0",
-				"clusterNetwork":"%s",
-				"name":"multus-cni-network",
-				"socketDir":"/var/run/multus/multussock/",
-				"type":"myCNI"
-			}`, primaryCNIFile)
-		Expect(multusConfig.Generate()).Should(MatchJSON(expectedResult))
-	})
-
-	It("multus config with global namespace", func() {
-		const globalNamespace = "come-along-ns"
-		multusConfig, err := newMultusConfigWithDelegates(
-			primaryCNIName,
-			cniVersion,
-			primaryCNIFile,
-			WithGlobalNamespaces(globalNamespace))
-		Expect(err).NotTo(HaveOccurred())
-		expectedResult := fmt.Sprintf(`
-			{
-				"cniVersion":"0.4.0",
-				"clusterNetwork":"%s",
-				"name":"multus-cni-network",
-				"globalNamespaces":"come-along-ns",
-				"type":"myCNI"
-			}`, primaryCNIFile)
-		Expect(multusConfig.Generate()).Should(MatchJSON(expectedResult))
-	})
-
-	It("multus config with additional binDir", func() {
-		const anotherCNIBinDir = "a-dir-somewhere"
-		multusConfig, err := newMultusConfigWithDelegates(
-			primaryCNIName,
-			cniVersion,
-			primaryCNIFile,
-			WithAdditionalBinaryFileDir(anotherCNIBinDir))
-		Expect(err).NotTo(HaveOccurred())
-		expectedResult := fmt.Sprintf(`
-			{
-				"binDir":"a-dir-somewhere",
-				"cniVersion":"0.4.0",
-				"clusterNetwork":"%s",
-				"name":"multus-cni-network",
-				"type":"myCNI"
 			}`, primaryCNIFile)
 		Expect(multusConfig.Generate()).Should(MatchJSON(expectedResult))
 	})
 
 	It("multus config with capabilities", func() {
-		multusConfig, err := newMultusConfigWithDelegates(
+		multusConfFile := fmt.Sprintf(`{
-			primaryCNIName,
+			"name": %q,
-			cniVersion,
+			"cniVersion": %q,
-			primaryCNIFile,
+			"clusterNetwork": %q
-			withCapabilities(
+		}`, primaryCNIName, cniVersion, primaryCNIFile)
-				documentHelper(`{"capabilities": {"portMappings": true}}`)),
+		multusConfFileName := fmt.Sprintf("%s/10-testcni.conf", tmpDir)
-		)
+		Expect(os.WriteFile(multusConfFileName, []byte(multusConfFile), 0755)).To(Succeed())
+
+		multusConfig, err := ParseMultusConfig(multusConfFileName)
 		Expect(err).NotTo(HaveOccurred())
+		Expect(multusConfig.setCapabilities(documentHelper(`{"capabilities": {"portMappings": true}}`))).To(Succeed())
 		expectedResult := fmt.Sprintf(`
 			{
 				"capabilities":{
@@ -355,78 +103,97 @@ var _ = Describe("Configuration Generator", func() {
 				"cniVersion":"0.4.0",
 				"clusterNetwork":"%s",
 				"name":"multus-cni-network",
-				"type":"myCNI"
+				"type":"multus-shim"
 			}`, primaryCNIFile)
 		Expect(multusConfig.Generate()).Should(MatchJSON(expectedResult))
 	})
 
 	It("multus config with multiple capabilities", func() {
-		multusConfig, err := newMultusConfigWithDelegates(
+		multusConfFile := fmt.Sprintf(`{
-			primaryCNIName,
+			"name": %q,
-			cniVersion,
+			"cniVersion": %q,
-			primaryCNIFile,
+			"clusterNetwork": %q
-			withCapabilities(
+		}`, primaryCNIName, cniVersion, primaryCNIFile)
-				documentHelper(`{"capabilities": {"portMappings": true, "tuning": true}}`)),
+		multusConfFileName := fmt.Sprintf("%s/10-testcni.conf", tmpDir)
-		)
+		Expect(os.WriteFile(multusConfFileName, []byte(multusConfFile), 0755)).To(Succeed())
+
+		multusConfig, err := ParseMultusConfig(multusConfFileName)
 		Expect(err).NotTo(HaveOccurred())
+		Expect(multusConfig.setCapabilities(
+			documentHelper(`{"capabilities": {"portMappings": true, "tuning": true}}`))).To(Succeed())
 		expectedResult := fmt.Sprintf(`
 			{
 				"capabilities":{"portMappings":true,"tuning":true},
 				"cniVersion":"0.4.0",
 				"clusterNetwork":"%s",
 				"name":"multus-cni-network",
-				"type":"myCNI"
+				"type":"multus-shim"
 			}`, primaryCNIFile)
 		Expect(multusConfig.Generate()).Should(MatchJSON(expectedResult))
 	})
 
 	It("multus config with multiple capabilities filter only enabled", func() {
-		multusConfig, err := newMultusConfigWithDelegates(
+		multusConfFile := fmt.Sprintf(`{
-			primaryCNIName,
+			"name": %q,
-			cniVersion,
+			"cniVersion": %q,
-			primaryCNIFile,
+			"clusterNetwork": %q
-			withCapabilities(
+		}`, primaryCNIName, cniVersion, primaryCNIFile)
-				documentHelper(`{"capabilities": {"portMappings": true, "tuning": false}}`)),
+		multusConfFileName := fmt.Sprintf("%s/10-testcni.conf", tmpDir)
-		)
+		Expect(os.WriteFile(multusConfFileName, []byte(multusConfFile), 0755)).To(Succeed())
+
+		multusConfig, err := ParseMultusConfig(multusConfFileName)
 		Expect(err).NotTo(HaveOccurred())
+		Expect(multusConfig.setCapabilities(
+			documentHelper(`{"capabilities": {"portMappings": true, "tuning": false}}`))).To(Succeed())
 		expectedResult := fmt.Sprintf(`
 			{
 				"capabilities":{"portMappings":true},
 				"cniVersion":"0.4.0",
 				"clusterNetwork":"%s",
 				"name":"multus-cni-network",
-				"type":"myCNI"
+				"type":"multus-shim"
 			}`, primaryCNIFile)
 		Expect(multusConfig.Generate()).Should(MatchJSON(expectedResult))
 	})
 
 	It("multus config with multiple capabilities defined on a plugin", func() {
-		multusConfig, err := newMultusConfigWithDelegates(
+		multusConfFile := fmt.Sprintf(`{
-			primaryCNIName,
+			"name": %q,
-			cniVersion,
+			"cniVersion": %q,
-			primaryCNIFile,
+			"clusterNetwork": %q
-			withCapabilities(
+		}`, primaryCNIName, cniVersion, primaryCNIFile)
-				documentHelper(`{"plugins": [ {"capabilities": {"portMappings": true, "tuning": true}} ] }`)),
+		multusConfFileName := fmt.Sprintf("%s/10-testcni.conf", tmpDir)
-		)
+		Expect(os.WriteFile(multusConfFileName, []byte(multusConfFile), 0755)).To(Succeed())
+
+		multusConfig, err := ParseMultusConfig(multusConfFileName)
 		Expect(err).NotTo(HaveOccurred())
+		Expect(multusConfig.setCapabilities(
+			documentHelper(
+				`{"plugins": [ {"capabilities": {"portMappings": true, "tuning": true}} ] }`))).To(Succeed())
 		expectedResult := fmt.Sprintf(`
 			{
 				"capabilities":{"portMappings":true,"tuning":true},
 				"cniVersion":"0.4.0",
 				"clusterNetwork":"%s",
 				"name":"multus-cni-network",
-				"type":"myCNI"
+				"type":"multus-shim"
 			}`, primaryCNIFile)
 		Expect(multusConfig.Generate()).Should(MatchJSON(expectedResult))
 	})
 
 	It("multus config with multiple capabilities defined on multiple plugins", func() {
-		multusConfig, err := newMultusConfigWithDelegates(
+		multusConfFile := fmt.Sprintf(`{
-			primaryCNIName,
+			"name": %q,
-			cniVersion,
+			"cniVersion": %q,
-			primaryCNIFile,
+			"clusterNetwork": %q
-			withCapabilities(
+		}`, primaryCNIName, cniVersion, primaryCNIFile)
-				documentHelper(`
+		multusConfFileName := fmt.Sprintf("%s/10-testcni.conf", tmpDir)
+		Expect(os.WriteFile(multusConfFileName, []byte(multusConfFile), 0755)).To(Succeed())
+
+		multusConfig, err := ParseMultusConfig(multusConfFileName)
+		Expect(err).NotTo(HaveOccurred())
+		Expect(multusConfig.setCapabilities(
+			documentHelper(`
 				{
 					"plugins": [
 					{
@@ -436,27 +203,31 @@ var _ = Describe("Configuration Generator", func() {
 						"capabilities": { "tuning": true }
 					}
 					]
-				}`)),
+				}`))).To(Succeed())
-		)
-		Expect(err).NotTo(HaveOccurred())
 		expectedResult := fmt.Sprintf(`
 			{
 				"capabilities":{"portMappings":true,"tuning":true},
 				"cniVersion":"0.4.0",
 				"clusterNetwork":"%s",
 				"name":"multus-cni-network",
-				"type":"myCNI"
+				"type":"multus-shim"
 			}`, primaryCNIFile)
 		Expect(multusConfig.Generate()).Should(MatchJSON(expectedResult))
 	})
 
 	It("multus config with multiple capabilities defined on multiple plugins filter only enabled", func() {
-		multusConfig, err := newMultusConfigWithDelegates(
+		multusConfFile := fmt.Sprintf(`{
-			primaryCNIName,
+			"name": %q,
-			cniVersion,
+			"cniVersion": %q,
-			primaryCNIFile,
+			"clusterNetwork": %q
-			withCapabilities(
+		}`, primaryCNIName, cniVersion, primaryCNIFile)
-				documentHelper(`
+		multusConfFileName := fmt.Sprintf("%s/10-testcni.conf", tmpDir)
+		Expect(os.WriteFile(multusConfFileName, []byte(multusConfFile), 0755)).To(Succeed())
+
+		multusConfig, err := ParseMultusConfig(multusConfFileName)
+		Expect(err).NotTo(HaveOccurred())
+		Expect(multusConfig.setCapabilities(
+			documentHelper(`
 				{
 					"plugins": [
 					{
@@ -470,39 +241,17 @@ var _ = Describe("Configuration Generator", func() {
 						}
 					}
 					]
-				}`),
+				}`))).To(Succeed())
-			),
-		)
-		Expect(err).NotTo(HaveOccurred())
 		expectedResult := fmt.Sprintf(`
 			{
 				"capabilities":{"portMappings":true},
 				"cniVersion":"0.4.0",
 				"clusterNetwork":"%s",
 				"name":"multus-cni-network",
-				"type":"myCNI"
+				"type":"multus-shim"
 			}`, primaryCNIFile)
 		Expect(multusConfig.Generate()).Should(MatchJSON(expectedResult))
 	})
-
-	It("multus config with overridden name", func() {
-		newNetworkName := "mega-net-2000"
-		multusConfig, _ := newMultusConfigWithDelegates(
-			primaryCNIName,
-			cniVersion,
-			primaryCNIFile,
-			WithOverriddenName(newNetworkName))
-		Expect(err).NotTo(HaveOccurred())
-		expectedResult := fmt.Sprintf(`
-		{
-			"cniVersion":"0.4.0",
-			"clusterNetwork":"%s",
-			"name":"mega-net-2000",
-			"type":"myCNI"
-		}`, primaryCNIFile)
-		Expect(multusConfig.Generate()).Should(MatchJSON(expectedResult))
-	})
-
 })
 
 func documentHelper(pluginInfo string) interface{} {

pkg/server/config/manager.go

@@ -108,7 +108,7 @@ func newManager(config MultusConf, multusConfigDir, defaultCNIPluginName string,
 		configWatcher:        watcher,
 		multusConfig:         &config,
 		multusConfigDir:      multusConfigDir,
-		multusConfigFilePath: cniPluginConfigFilePath(config.CniConfigDir, multusConfigFileName),
+		multusConfigFilePath: cniPluginConfigFilePath(multusConfigDir, multusConfigFileName),
 		primaryCNIConfigPath: cniPluginConfigFilePath(multusConfigDir, defaultCNIPluginName),
 	}
 
@@ -144,16 +144,16 @@ func (m *Manager) OverrideNetworkName() error {
 	if networkName == "" {
 		return fmt.Errorf("the primary CNI Configuration does not feature the network name: %v", m.cniConfigData)
 	}
-	return m.multusConfig.Mutate(WithOverriddenName(networkName))
+	m.multusConfig.Name = networkName
+	return nil
 }
 
 func (m *Manager) loadPrimaryCNIConfigurationData(primaryCNIConfigData interface{}) error {
 	cniConfigData := primaryCNIConfigData.(map[string]interface{})
 
 	m.cniConfigData = cniConfigData
-	return m.multusConfig.Mutate(
+	m.multusConfig.ClusterNetwork = m.primaryCNIConfigPath
-		withClusterNetwork(m.primaryCNIConfigPath),
+	return m.multusConfig.setCapabilities(cniConfigData)
-		withCapabilities(cniConfigData))
 }
 
 // GenerateConfig generates a multus configuration from its current state

pkg/server/config/manager_test.go

@@ -51,9 +51,16 @@ var _ = Describe("Configuration Manager", func() {
 		defaultCniConfig = fmt.Sprintf("%s/%s", multusConfigDir, primaryCNIPluginName)
 		Expect(os.WriteFile(defaultCniConfig, []byte(primaryCNIPluginTemplate), UserRWPermission)).To(Succeed())
 
-		multusConf, _ := NewMultusConfig(
+		multusConfFile := fmt.Sprintf(`{
-			primaryCNIName,
+			"name": %q,
-			cniVersion)
+			"cniVersion": %q
+		}`, defaultCniConfig, cniVersion)
+		multusConfFileName := fmt.Sprintf("%s/10-testcni.conf", multusConfigDir)
+		Expect(os.WriteFile(multusConfFileName, []byte(multusConfFile), 0755)).To(Succeed())
+
+		multusConf, err := ParseMultusConfig(multusConfFileName)
+		Expect(err).NotTo(HaveOccurred())
+
 		configManager, err = NewManagerWithExplicitPrimaryCNIPlugin(*multusConf, multusConfigDir, primaryCNIPluginName, false)
 		Expect(err).NotTo(HaveOccurred())
 	})
@@ -63,7 +70,7 @@ var _ = Describe("Configuration Manager", func() {
 	})
 
 	It("Generates a configuration, based on the contents of the delegated CNI config file", func() {
-		expectedResult := fmt.Sprintf("{\"cniVersion\":\"0.4.0\",\"name\":\"multus-cni-network\",\"clusterNetwork\":\"%s\",\"type\":\"myCNI\"}", defaultCniConfig)
+		expectedResult := fmt.Sprintf("{\"cniVersion\":\"0.4.0\",\"name\":\"multus-cni-network\",\"clusterNetwork\":\"%s\",\"type\":\"multus-shim\"}", defaultCniConfig)
 		config, err := configManager.GenerateConfig()
 		Expect(err).NotTo(HaveOccurred())
 		Expect(config).To(Equal(expectedResult))
@@ -128,7 +135,7 @@ var _ = Describe("Configuration Manager", func() {
 		})
 
 		It("Overrides the name of the multus configuration when requested", func() {
-			expectedResult := fmt.Sprintf("{\"cniVersion\":\"0.4.0\",\"name\":\"mycni-name\",\"clusterNetwork\":\"%s\",\"type\":\"myCNI\"}", defaultCniConfig)
+			expectedResult := fmt.Sprintf("{\"cniVersion\":\"0.4.0\",\"name\":\"mycni-name\",\"clusterNetwork\":\"%s\",\"type\":\"multus-shim\"}", defaultCniConfig)
 			config, err := configManager.GenerateConfig()
 			Expect(err).NotTo(HaveOccurred())
 			Expect(config).To(Equal(expectedResult))
@@ -162,9 +169,15 @@ var _ = Describe("Configuration Manager with mismatched cniVersion", func() {
 		defaultCniConfig = fmt.Sprintf("%s/%s", multusConfigDir, primaryCNIPluginName)
 		Expect(os.WriteFile(defaultCniConfig, []byte(primaryCNIPluginTemplate), UserRWPermission)).To(Succeed())
 
-		multusConf, _ := NewMultusConfig(
+		multusConfFile := fmt.Sprintf(`{
-			primaryCNIName,
+			"name": %q,
-			cniVersion)
+			"cniVersion": %q
+		}`, defaultCniConfig, cniVersion)
+		multusConfFileName := fmt.Sprintf("%s/10-testcni.conf", multusConfigDir)
+		Expect(os.WriteFile(multusConfFileName, []byte(multusConfFile), 0755)).To(Succeed())
+
+		multusConf, err := ParseMultusConfig(multusConfFileName)
+		Expect(err).NotTo(HaveOccurred())
 		_, err = NewManagerWithExplicitPrimaryCNIPlugin(*multusConf, multusConfigDir, primaryCNIPluginName, false)
 		Expect(err).To(MatchError("failed to load the primary CNI configuration as a multus delegate with error 'delegate cni version is 0.3.1 while top level cni version is 0.4.0'"))
 	})

pkg/server/server.go

@@ -128,7 +128,7 @@ func GetListener(socketPath string) (net.Listener, error) {
 }
 
 // NewCNIServer creates and returns a new Server object which will listen on a socket in the given path
-func NewCNIServer(daemonConfig *types.ControllerNetConf, serverConfig []byte) (*Server, error) {
+func NewCNIServer(daemonConfig *ControllerNetConf, serverConfig []byte) (*Server, error) {
 	kubeClient, err := k8s.InClusterK8sClient()
 	if err != nil {
 		return nil, fmt.Errorf("error getting k8s client: %v", err)
@@ -278,7 +278,7 @@ func (s *Server) handleDelegateRequest(r *http.Request) ([]byte, error) {
 	if err := json.Unmarshal(b, &cr); err != nil {
 		return nil, err
 	}
-	cmdType, cniCmdArgs, err := extractCniData(&cr, s.serverConfig) // not override config
+	cmdType, cniCmdArgs, err := extractCniData(&cr, s.serverConfig)
 	if err != nil {
 		return nil, fmt.Errorf("could not extract the CNI command args: %w", err)
 	}
@@ -530,3 +530,24 @@ func cmdDelegateDel(cmdArgs *skel.CmdArgs, k8sArgs *types.K8sArgs, exec invoke.E
 	rt, _ := types.CreateCNIRuntimeConf(cmdArgs, k8sArgs, cmdArgs.IfName, nil, delegateCNIConf)
 	return multus.DelegateDel(exec, pod, delegateCNIConf, rt, multusConfig)
 }
+
+// LoadDaemonNetConf loads the configuration for the multus daemon
+func LoadDaemonNetConf(config []byte) (*ControllerNetConf, error) {
+	daemonNetConf := &ControllerNetConf{
+		SocketDir: DefaultMultusRunDir,
+	}
+	if err := json.Unmarshal(config, daemonNetConf); err != nil {
+		return nil, fmt.Errorf("failed to unmarshall the daemon configuration: %w", err)
+	}
+
+	logging.SetLogStderr(daemonNetConf.LogToStderr)
+	if daemonNetConf.LogFile != DefaultMultusDaemonConfigFile {
+		logging.SetLogFile(daemonNetConf.LogFile)
+	}
+	if daemonNetConf.LogLevel != "" {
+		logging.SetLogLevel(daemonNetConf.LogLevel)
+	}
+	daemonNetConf.ConfigFileContents = config
+
+	return daemonNetConf, nil
+}

pkg/server/types.go

@@ -24,6 +24,15 @@ import (
 	"gopkg.in/k8snetworkplumbingwg/multus-cni.v3/pkg/k8sclient"
 )
 
+const (
+	// const block for multus-daemon configs
+
+	// DefaultMultusDaemonConfigFile is the Default path of the config file
+	DefaultMultusDaemonConfigFile = "/etc/cni/net.d/multus.d/daemon-config.json"
+	// DefaultMultusRunDir specifies default RunDir for multus
+	DefaultMultusRunDir = "/run/multus/"
+)
+
 // Metrics represents server's metrics.
 type Metrics struct {
 	requestCounter *prometheus.CounterVec
@@ -39,3 +48,19 @@ type Server struct {
 	serverConfig []byte
 	metrics      *Metrics
 }
+
+// ControllerNetConf for the controller cni configuration
+type ControllerNetConf struct {
+	ChrootDir   string `json:"chrootDir,omitempty"`
+	LogFile     string `json:"logFile"`
+	LogLevel    string `json:"logLevel"`
+	LogToStderr bool   `json:"logToStderr,omitempty"`
+
+	MetricsPort *int `json:"metricsPort,omitempty"`
+
+	// Option to point to the path of the unix domain socket through which the
+	// multus client / server communicate.
+	SocketDir string `json:"socketDir"`
+
+	ConfigFileContents []byte `json:"-"`
+}

pkg/types/conf.go

@@ -418,36 +418,6 @@ func LoadNetConf(bytes []byte) (*NetConf, error) {
 	return netconf, nil
 }
 
-const (
-	// const block for multus-daemon configs
-
-	// DefaultMultusDaemonConfigFile is the Default path of the config file
-	DefaultMultusDaemonConfigFile = "/etc/cni/net.d/multus.d/daemon-config.json"
-	// DefaultMultusRunDir specifies default RunDir for multus
-	DefaultMultusRunDir           = "/run/multus/"
-)
-
-// LoadDaemonNetConf loads the configuration for the multus daemon
-func LoadDaemonNetConf(config []byte) (*ControllerNetConf, error) {
-	daemonNetConf := &ControllerNetConf{
-		SocketDir: DefaultMultusRunDir,
-	}
-	if err := json.Unmarshal(config, daemonNetConf); err != nil {
-		return nil, fmt.Errorf("failed to unmarshall the daemon configuration: %w", err)
-	}
-
-	logging.SetLogStderr(daemonNetConf.LogToStderr)
-	if daemonNetConf.LogFile != DefaultMultusDaemonConfigFile {
-		logging.SetLogFile(daemonNetConf.LogFile)
-	}
-	if daemonNetConf.LogLevel != "" {
-		logging.SetLogLevel(daemonNetConf.LogLevel)
-	}
-	daemonNetConf.ConfigFileContents = config
-
-	return daemonNetConf, nil
-}
-
 // AddDelegates appends the new delegates to the delegates list
 func (n *NetConf) AddDelegates(newDelegates []*DelegateNetConf) error {
 	logging.Debugf("AddDelegates: %v", newDelegates)

pkg/types/types.go

@@ -181,19 +181,3 @@ type ResourceClient interface {
 	// GetPodResourceMap returns an instance of a map of Pod ResourceInfo given a (Pod name, namespace) tuple
 	GetPodResourceMap(*v1.Pod) (map[string]*ResourceInfo, error)
 }
-
-// ControllerNetConf for the controller cni configuration
-type ControllerNetConf struct {
-	ChrootDir   string `json:"chrootDir,omitempty"`
-	LogFile     string `json:"logFile"`
-	LogLevel    string `json:"logLevel"`
-	LogToStderr bool   `json:"logToStderr,omitempty"`
-
-	MetricsPort *int `json:"metricsPort,omitempty"`
-
-	// Option to point to the path of the unix domain socket through which the
-	// multus client / server communicate.
-	SocketDir string `json:"socketDir"`
-
-	ConfigFileContents []byte `json:"-"`
-}