refactor: command dependence use spf13/cobra instead

.gitignore

@@ -12,3 +12,4 @@ pkg/registry/zookeeper-4unittest/contrib/fatjar
 
 coverage.txt
 
+/vendor/

.travis.yml

@@ -29,7 +29,7 @@ script:
   - go fmt ./... && [[ -z `git status -s` ]]
   - sh before_validate_license.sh
   - chmod u+x /tmp/tools/license/license-header-checker
-  - /tmp/tools/license/license-header-checker -v -a -r -i vendor -i .github/actions /tmp/tools/license/license.txt . go  && [[ -z `git status -s` ]]
+  - /tmp/tools/license/license-header-checker -v -a -r -i vendor,.github/actions /tmp/tools/license/license.txt . go  && [[ -z `git status -s` ]]
   # unit-test
   - echo 'start unit-test'
   - chmod u+x before_ut.sh && ./before_ut.sh

Makefile

@@ -44,11 +44,11 @@ ifeq (windows,$(os))
 	targetName = dubbo-go-pixiu.exe
 endif
 exe := $(mainPath)$(targetName)
-gobuild:
+build:
 	cd $(mainPath) && go build  -o $(currentPath)/$(targetName) *.go
 
 run: build
-	./dubbo-go-pixiu start -a $(api-config-path) -c $(config-path)
+	./dubbo-go-pixiu gateway start -a $(api-config-path) -c $(config-path)
 
 license-check-util:
 	go install github.com/lsm-dev/license-header-checker/cmd/license-header-checker@latest

cmd/pixiu/gateway.go

@@ -0,0 +1,82 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package main
+
+import (
+	"os"
+)
+
+import (
+	"github.com/spf13/cobra"
+)
+
+import (
+	"github.com/apache/dubbo-go-pixiu/pkg/common/constant"
+	"github.com/apache/dubbo-go-pixiu/pkg/logger"
+	"github.com/apache/dubbo-go-pixiu/pkg/pixiu"
+)
+
+var (
+	gatewayCmd = &cobra.Command{
+		Use:   "gateway",
+		Short: "Run dubbo go pixiu in gateway mode",
+	}
+
+	startGatewayCmd = &cobra.Command{
+		Use:     "start",
+		Short:   "Start gateway",
+		Version: Version,
+		PreRun: func(cmd *cobra.Command, args []string) {
+			initDefaultValue()
+		},
+		Run: func(cmd *cobra.Command, args []string) {
+			err := initLog()
+			if err != nil {
+				logger.Warnf("[startGatewayCmd] failed to init logger, %s", err.Error())
+			}
+
+			bootstrap, meta, err := initApiConfig()
+			if err != nil {
+				if meta {
+					logger.Warnf("[startGatewayCmd] failed to get api meta config, %s", err.Error())
+				} else {
+					logger.Errorf("[startGatewayCmd] failed to get api meta config, %s", err.Error())
+				}
+			}
+
+			err = initLimitCpus()
+			if err != nil {
+				logger.Errorf("[startCmd] failed to get limit cpu number, %s", err.Error())
+			}
+
+			pixiu.Start(bootstrap)
+		},
+	}
+)
+
+// init Init startCmd
+func init() {
+	startGatewayCmd.PersistentFlags().StringVarP(&configPath, constant.ConfigPathKey, "c", os.Getenv(constant.EnvDubbogoPixiuConfig), "Load configuration from `FILE`")
+	startGatewayCmd.PersistentFlags().StringVarP(&apiConfigPath, constant.ApiConfigPathKey, "a", os.Getenv(constant.EnvDubbogoPixiuApiConfig), "Load api configuration from `FILE`")
+	startGatewayCmd.PersistentFlags().StringVarP(&logConfigPath, constant.LogConfigPathKey, "g", os.Getenv(constant.EnvDubbogoPixiuLogConfig), "Load log configuration from `FILE`")
+	startGatewayCmd.PersistentFlags().StringVarP(&logLevel, constant.LogLevelKey, "l", os.Getenv(constant.EnvDubbogoPixiuLogLevel), "dubbogo pixiu log level, trace|debug|info|warning|error|critical")
+	startGatewayCmd.PersistentFlags().StringVarP(&limitCpus, constant.LimitCpusKey, "m", os.Getenv(constant.EnvDubbogoPixiuLimitCpus), "dubbogo pixiu schedule threads count")
+	startGatewayCmd.PersistentFlags().StringVarP(&logFormat, constant.LogFormatKey, "f", os.Getenv(constant.EnvDubbogoPixiuLogFormat), "dubbogo pixiu log format, currently useless")
+
+	gatewayCmd.AddCommand(startGatewayCmd)
+}