{
      "ambient_enabled": false,
      "cni_agent_run_dir": "/tmp",
      "dns": {},
      "exclude_namespaces": [
        "istio-system"
      ],
      "ipam": {},
      "name": "istio-cni",
      "plugin_log_level": "debug",
      "type": "istio-cni"
    }
  ]

{
  "cniVersion": "0.3.1",
  "name": "istio-cni",
  "type": "istio-cni",
  "ipam": {},
  "dns": {},
  "plugin_log_level": "debug",
  "cni_agent_run_dir": "/tmp",
  "ambient_enabled": false,
  "exclude_namespaces": [
    "istio-system"
  ]

{
  "name": "k8s-pod-network",
  "plugins": [
    {
      "type": "calico",
      "etcd_endpoints": "http://10.110.0.136:6666",
      "plugin_log_level": "info",
      "mtu": 1500,
      "ipam": {
        "type": "calico-ipam"
      },
      "policy": {
        "type": "k8s"
      },
      "kubernetes": {
        "kubeconfig": "/etc/cni/net.d/calico-kubeconfig"
      }
    },
    {
      "type": "portmap",

{
  "name": "k8s-pod-network",
  "cniVersion": "0.3.1",
  "pugins": [
    {
      "type": "calico",
      "etcd_endpoints": "http://10.110.0.136:6666",
      "plugin_log_level": "info",
      "mtu": 1500,
      "ipam": {
        "type": "calico-ipam"
      },
      "policy": {
        "type": "k8s"
      },
      "kubernetes": {
        "kubeconfig": "/etc/cni/net.d/calico-kubeconfig"
      }
    },
    {

			CNIConfName:      c.specifiedConfName,
			ChainedCNIPlugin: c.chainedCNIPlugin,
			PluginLogLevel:   "debug",
			CNIAgentRunDir:   kubeconfigFilename,
		}

		cfg := config.InstallConfig{
			CNIConfName:      c.specifiedConfName,
			ChainedCNIPlugin: c.chainedCNIPlugin,
			PluginLogLevel:   "debug",
			CNIAgentRunDir:   kubeconfigFilename,
		}

// runtime args, see CONVENTIONS.md in the CNI spec.
type Config struct {
	types.NetConf

	// Add plugin-specific flags here
	PluginLogLevel    string   `json:"plugin_log_level"`
	CNIAgentRunDir    string   `json:"cni_agent_run_dir"`
	AmbientEnabled    bool     `json:"ambient_enabled"`
	ExcludeNamespaces []string `json:"exclude_namespaces"`
}

                "version": "4",
                "address": "10.0.0.2/24",
                "gateway": "10.0.0.1",
                "interface": 0
            }
        ],
        "routes": []

    },
    "plugin_log_level": "debug",
    "cni_agent_run_dir": "%s",
    "ambient_enabled": %t,
	"exclude_namespaces": ["testExcludeNS"],
    "kubernetes": {
        "k8s_api_root": "APIRoot",
        "kubeconfig": "testK8sConfig",

	b.WriteString("ChainedCNIPlugin: " + fmt.Sprint(c.ChainedCNIPlugin) + "\n")
	b.WriteString("CNIAgentRunDir: " + fmt.Sprint(c.CNIAgentRunDir) + "\n")

	b.WriteString("PluginLogLevel: " + c.PluginLogLevel + "\n")
	b.WriteString("KubeconfigMode: " + fmt.Sprintf("%#o", c.KubeconfigMode) + "\n")
	b.WriteString("KubeCAFile: " + c.KubeCAFile + "\n")
	b.WriteString("SkipTLSVerify: " + fmt.Sprint(c.SkipTLSVerify) + "\n")

	"istio.io/istio/cni/pkg/util"
	"istio.io/istio/pkg/file"
)

func createCNIConfigFile(ctx context.Context, cfg *config.InstallConfig) (string, error) {
	pluginConfig := plugin.Config{
		PluginLogLevel:    cfg.PluginLogLevel,
		CNIAgentRunDir:    cfg.CNIAgentRunDir,
		AmbientEnabled:    cfg.AmbientEnabled,
		ExcludeNamespaces: strings.Split(cfg.ExcludeNamespaces, ","),
	}

	pluginConfig.Name = "istio-cni"

		// what level to use for itself.
		// This masks the fact we are doing this weird log-over-UDS to users, and allows them to configure it the same way.
		PluginLogLevel:        istiolog.LevelToString(istiolog.FindScope(constants.CNIPluginLogScope).GetOutputLevel()),
		KubeconfigMode:        viper.GetInt(constants.KubeconfigMode),
		KubeCAFile:            viper.GetString(constants.KubeCAFile),