Initial QSfera import

Server/qsfera/pkg/command/list.go

@@ -0,0 +1,59 @@
+package command
+
+import (
+	"fmt"
+	"log"
+	"net"
+	"net/rpc"
+
+	"github.com/qsfera/server/qsfera/pkg/register"
+	"github.com/qsfera/server/pkg/config"
+	"github.com/qsfera/server/pkg/config/configlog"
+	"github.com/qsfera/server/pkg/config/parser"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+// ListCommand is the entrypoint for the list command.
+func ListCommand(cfg *config.Config) *cobra.Command {
+	listCmd := &cobra.Command{
+		Use:   "list",
+		Short: "list КуСфера services running in the runtime (supervised mode)",
+		PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
+			return configlog.ReturnError(parser.ParseConfig(cfg, true))
+		},
+		RunE: func(cmd *cobra.Command, args []string) error {
+			host := viper.GetString("hostname")
+			port := viper.GetString("port")
+
+			client, err := rpc.DialHTTP("tcp", net.JoinHostPort(host, port))
+			if err != nil {
+				log.Fatalf("Failed to connect to the runtime. Has the runtime been started and did you configure the right runtime address (\"%s\")", cfg.Runtime.Host+":"+cfg.Runtime.Port)
+			}
+
+			var arg1 string
+
+			if err := client.Call("Service.List", struct{}{}, &arg1); err != nil {
+				log.Fatal(err)
+			}
+
+			fmt.Println(arg1)
+
+			return nil
+		},
+	}
+
+	listCmd.Flags().String("hostname", "localhost", "hostname of the runtime")
+	_ = viper.BindEnv("hostname", "OC_RUNTIME_HOST")
+	_ = viper.BindPFlag("hostname", listCmd.Flags().Lookup("hostname"))
+
+	listCmd.Flags().String("port", "9250", "port of the runtime")
+	_ = viper.BindEnv("port", "OC_RUNTIME_PORT")
+	_ = viper.BindPFlag("port", listCmd.Flags().Lookup("port"))
+	return listCmd
+}
+
+func init() {
+	register.AddCommand(ListCommand)
+}