🌱 Move addon manager from addon-framework to ocm repo (#196)

* update vendor to add addon-framework

Signed-off-by: zhujian <jiazhu@redhat.com>

* Move addon manager from addon-framework to ocm repo

Signed-off-by: zhujian <jiazhu@redhat.com>

* add integration tests for addon manager

Signed-off-by: zhujian <jiazhu@redhat.com>

* push addon manager image post commit

Signed-off-by: zhujian <jiazhu@redhat.com>

* use library-go to refactor addon controllers

Signed-off-by: zhujian <jiazhu@redhat.com>

---------

Signed-off-by: zhujian <jiazhu@redhat.com>

cmd/addon/main.go

@@ -0,0 +1,54 @@
+package main
+
+import (
+	goflag "flag"
+	"fmt"
+	"math/rand"
+	"os"
+	"time"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/pflag"
+	utilflag "k8s.io/component-base/cli/flag"
+	"k8s.io/component-base/logs"
+
+	"open-cluster-management.io/ocm/pkg/cmd/hub"
+	"open-cluster-management.io/ocm/pkg/version"
+)
+
+func main() {
+	rand.Seed(time.Now().UTC().UnixNano())
+
+	pflag.CommandLine.SetNormalizeFunc(utilflag.WordSepNormalizeFunc)
+	pflag.CommandLine.AddGoFlagSet(goflag.CommandLine)
+
+	logs.AddFlags(pflag.CommandLine)
+	logs.InitLogs()
+	defer logs.FlushLogs()
+
+	command := newAddonCommand()
+	if err := command.Execute(); err != nil {
+		fmt.Fprintf(os.Stderr, "%v\n", err)
+		os.Exit(1)
+	}
+}
+
+func newAddonCommand() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "addon",
+		Short: "Manager of Addon",
+		Run: func(cmd *cobra.Command, args []string) {
+			_ = cmd.Help()
+			os.Exit(1)
+		},
+	}
+
+	if v := version.Get().String(); len(v) == 0 {
+		cmd.Version = "<unknown>"
+	} else {
+		cmd.Version = v
+	}
+
+	cmd.AddCommand(hub.NewAddonManager())
+	return cmd
+}