diff options
-rw-r--r-- | cmd/ovn4nfvk8s-cni/ovn4nfvk8s-cni.go | 4 | ||||
-rw-r--r-- | cmd/ovn4nfvk8s/ovn4nfvk8s.go | 4 | ||||
-rw-r--r-- | internal/pkg/config/config.go | 96 | ||||
-rw-r--r-- | internal/pkg/ovn/ovn_test.go | 5 |
4 files changed, 13 insertions, 96 deletions
diff --git a/cmd/ovn4nfvk8s-cni/ovn4nfvk8s-cni.go b/cmd/ovn4nfvk8s-cni/ovn4nfvk8s-cni.go index 923363b..73ef887 100644 --- a/cmd/ovn4nfvk8s-cni/ovn4nfvk8s-cni.go +++ b/cmd/ovn4nfvk8s-cni/ovn4nfvk8s-cni.go @@ -20,7 +20,6 @@ import ( "github.com/containernetworking/cni/pkg/version" "k8s.io/apimachinery/pkg/util/wait" - kexec "k8s.io/utils/exec" "ovn4nfv-k8s-plugin/internal/pkg/kube" "ovn4nfv-k8s-plugin/cmd/ovn4nfvk8s-cni/app" @@ -269,9 +268,8 @@ func main() { c.Version = "0.0.2" c.Flags = config.Flags - exec := kexec.New() c.Action = func(ctx *cli.Context) error { - if _, err := config.InitConfig(ctx, exec, nil); err != nil { + if _, err := config.InitConfig(ctx); err != nil { return err } diff --git a/cmd/ovn4nfvk8s/ovn4nfvk8s.go b/cmd/ovn4nfvk8s/ovn4nfvk8s.go index d097558..0c0cc2e 100644 --- a/cmd/ovn4nfvk8s/ovn4nfvk8s.go +++ b/cmd/ovn4nfvk8s/ovn4nfvk8s.go @@ -22,7 +22,6 @@ func main() { c := cli.NewApp() c.Name = "ovn4nfvk8s" c.Usage = "run ovn4nfvk8s to start pod watchers" - c.Version = config.Version c.Flags = append([]cli.Flag{ // Daemon file cli.StringFlag{ @@ -50,9 +49,8 @@ func delPidfile(pidfile string) { } func runOvnKube(ctx *cli.Context) error { - fmt.Println("ovn4nfvk8s started") exec := kexec.New() - _, err := config.InitConfig(ctx, exec, nil) + _, err := config.InitConfig(ctx) if err != nil { return err } diff --git a/internal/pkg/config/config.go b/internal/pkg/config/config.go index 045a0ac..b73dd9d 100644 --- a/internal/pkg/config/config.go +++ b/internal/pkg/config/config.go @@ -2,28 +2,21 @@ package config import ( "fmt" - "net/url" "os" "path/filepath" "reflect" - "strings" "github.com/sirupsen/logrus" "github.com/urfave/cli" gcfg "gopkg.in/gcfg.v1" - kexec "k8s.io/utils/exec" - - "k8s.io/client-go/kubernetes" + "k8s.io/client-go/kubernetes" "k8s.io/client-go/rest" "k8s.io/client-go/tools/clientcmd" - "k8s.io/client-go/util/cert" ) // The following are global config parameters that other modules may access directly var ( - // ovn-kubernetes version, to be changed with every release - Version = "0.3.0" // Default holds parsed config file parameters and command-line overrides Default = DefaultConfig{ @@ -42,10 +35,8 @@ var ( Plugin: "ovn4nfvk8s-cni", } - // Kubernetes holds Kubernetes-related parsed config file parameters and command-line overrides - Kubernetes = KubernetesConfig{ - APIServer: "http://localhost:8080", - } + // Kubernetes holds Kubernetes-related parsed config file parameters + Kubernetes = KubernetesConfig{} ) // DefaultConfig holds parsed config file parameters and command-line overrides @@ -73,9 +64,6 @@ type CNIConfig struct { // KubernetesConfig holds Kubernetes-related parsed config file parameters and command-line overrides type KubernetesConfig struct { Kubeconfig string `gcfg:"kubeconfig"` - CACert string `gcfg:"cacert"` - APIServer string `gcfg:"apiserver"` - Token string `gcfg:"token"` } // Config is used to read the structured config file and to cache config in testcases @@ -164,57 +152,21 @@ var Flags = []cli.Flag{ // Kubernetes-related options cli.StringFlag{ Name: "k8s-kubeconfig", - Usage: "absolute path to the Kubernetes kubeconfig file (not required if the --k8s-apiserver, --k8s-ca-cert, and --k8s-token are given)", + Usage: "absolute path to the Kubernetes kubeconfig file", Destination: &cliConfig.Kubernetes.Kubeconfig, }, - cli.StringFlag{ - Name: "k8s-apiserver", - Usage: "URL of the Kubernetes API server (not required if --k8s-kubeconfig is given) (default: http://localhost:8443)", - Destination: &cliConfig.Kubernetes.APIServer, - }, - cli.StringFlag{ - Name: "k8s-cacert", - Usage: "the absolute path to the Kubernetes API CA certificate (not required if --k8s-kubeconfig is given)", - Destination: &cliConfig.Kubernetes.CACert, - }, - cli.StringFlag{ - Name: "k8s-token", - Usage: "the Kubernetes API authentication token (not required if --k8s-kubeconfig is given)", - Destination: &cliConfig.Kubernetes.Token, - }, -} - -type Defaults struct { - K8sAPIServer bool - K8sToken bool - K8sCert bool } -const ( - ovsVsctlCommand = "ovs-vsctl" -) - -func buildKubernetesConfig(exec kexec.Interface, cli, file *config, defaults *Defaults) error { +func buildKubernetesConfig(cli, file *config) error { // Copy config file values over default values overrideFields(&Kubernetes, &file.Kubernetes) // And CLI overrides over config file and default values overrideFields(&Kubernetes, &cli.Kubernetes) - if Kubernetes.Kubeconfig != "" && !pathExists(Kubernetes.Kubeconfig) { + if Kubernetes.Kubeconfig == "" || !pathExists(Kubernetes.Kubeconfig) { return fmt.Errorf("kubernetes kubeconfig file %q not found", Kubernetes.Kubeconfig) } - if Kubernetes.CACert != "" && !pathExists(Kubernetes.CACert) { - return fmt.Errorf("kubernetes CA certificate file %q not found", Kubernetes.CACert) - } - - url, err := url.Parse(Kubernetes.APIServer) - if err != nil { - return fmt.Errorf("kubernetes API server address %q invalid: %v", Kubernetes.APIServer, err) - } else if url.Scheme != "https" && url.Scheme != "http" { - return fmt.Errorf("kubernetes API server URL scheme %q invalid", url.Scheme) - } - return nil } @@ -235,15 +187,15 @@ func getConfigFilePath(ctx *cli.Context) (string, bool) { // InitConfig reads the config file and common command-line options and // constructs the global config object from them. It returns the config file // path (if explicitly specified) or an error -func InitConfig(ctx *cli.Context, exec kexec.Interface, defaults *Defaults) (string, error) { - return InitConfigWithPath(ctx, exec, "", defaults) +func InitConfig(ctx *cli.Context) (string, error) { + return InitConfigWithPath(ctx, "") } // InitConfigWithPath reads the given config file (or if empty, reads the config file // specified by command-line arguments, or empty, the default config file) and // common command-line options and constructs the global config object from // them. It returns the config file path (if explicitly specified) or an error -func InitConfigWithPath(ctx *cli.Context, exec kexec.Interface, configFile string, defaults *Defaults) (string, error) { +func InitConfigWithPath(ctx *cli.Context, configFile string) (string, error) { var cfg config var retConfigFile string var configFileIsDefault bool @@ -277,10 +229,6 @@ func InitConfigWithPath(ctx *cli.Context, exec kexec.Interface, configFile strin logrus.Infof("Parsed config: %+v", cfg) } - if defaults == nil { - defaults = &Defaults{} - } - // Build config that needs no special processing overrideFields(&Default, &cfg.Default) overrideFields(&Default, &cliConfig.Default) @@ -301,7 +249,7 @@ func InitConfigWithPath(ctx *cli.Context, exec kexec.Interface, configFile strin } } - if err = buildKubernetesConfig(exec, &cliConfig, &cfg, defaults); err != nil { + if err = buildKubernetesConfig(&cliConfig, &cfg); err != nil { return "", err } logrus.Debugf("Default config: %+v", Default) @@ -320,8 +268,7 @@ func pathExists(path string) bool { return true } -// NewClientset creates a Kubernetes clientset from either a kubeconfig, -// TLS properties, or an apiserver URL +// NewClientset creates a Kubernetes clientset func NewClientset(conf *KubernetesConfig) (*kubernetes.Clientset, error) { var kconfig *rest.Config var err error @@ -329,27 +276,6 @@ func NewClientset(conf *KubernetesConfig) (*kubernetes.Clientset, error) { if conf.Kubeconfig != "" { // uses the current context in kubeconfig kconfig, err = clientcmd.BuildConfigFromFlags("", conf.Kubeconfig) - } else if strings.HasPrefix(conf.APIServer, "https") { - if conf.APIServer == "" || conf.Token == "" { - return nil, fmt.Errorf("TLS-secured apiservers require token and CA certificate") - } - kconfig = &rest.Config{ - Host: conf.APIServer, - BearerToken: conf.Token, - } - if conf.CACert != "" { - if _, err := cert.NewPool(conf.CACert); err != nil { - return nil, err - } - kconfig.TLSClientConfig = rest.TLSClientConfig{CAFile: conf.CACert} - } - } else if strings.HasPrefix(conf.APIServer, "http") { - kconfig, err = clientcmd.BuildConfigFromFlags(conf.APIServer, "") - } else { - // Assume we are running from a container managed by kubernetes - // and read the apiserver address and tokens from the - // container's environment. - kconfig, err = rest.InClusterConfig() } if err != nil { return nil, err diff --git a/internal/pkg/ovn/ovn_test.go b/internal/pkg/ovn/ovn_test.go index 2e558a6..99a96ae 100644 --- a/internal/pkg/ovn/ovn_test.go +++ b/internal/pkg/ovn/ovn_test.go @@ -31,8 +31,6 @@ var _ = Describe("Add logical Port", func() { var app *cli.App BeforeEach(func() { - // Restore global default values before each testcase - //config.RestoreDefaultConfig() app = cli.NewApp() app.Name = "test" @@ -75,9 +73,6 @@ var _ = Describe("Add logical Port", func() { err := util.SetExec(fexec) Expect(err).NotTo(HaveOccurred()) - _, err = config.InitConfig(ctx, fexec, nil) - Expect(err).NotTo(HaveOccurred()) - fakeClient := &fake.Clientset{} var fakeWatchFactory factory.WatchFactory |