Merge pull request #37 from Hanna623/dev

Add Print loxilb version #28

Author: inhogog2

Makefile

@@ -6,7 +6,7 @@ SHELL := /bin/bash
 loxilbid=$(shell docker ps -f name=$(dock) | grep -w $(dock) | cut  -d " "  -f 1 | grep -iv  "CONTAINER")
 
 build: 
-	@go build -o ${bin} -ldflags="-X 'loxicmd/cmd.BuildInfo=${shell date '+%Y_%m_%d'}-${shell git branch --show-current}-$(shell git show --pretty=format:%h --no-patch)' -X 'loxicmd/cmd.Version=${shell git describe --tags --abbrev=0}'"
+	@go build -o ${bin} -ldflags="-X 'loxicmd/cmd.BuildInfo=${shell date '+%Y_%m_%d'}-${shell git branch --show-current}-$(shell git show --pretty=format:%h --no-patch)'"
 
 test: 
 	go test

cmd/create/create_loadbalancer.go

@@ -152,6 +152,8 @@ func NewCreateLoadBalancerCmd(restOptions *api.RESTOptions) *cobra.Command {
 	persist - select the lb end-point based on sender
 	n2 - select the lb end-point base on N2 interface params (only available with fullproxy mode)
 	n3 - select the lb end-point base on N3 interface params
+	lc - select the lb end-point base on least connection
+
 --mode value options
 	onearm - LB put LB-IP as srcIP
 	fullnat - LB put Service IP as scrIP

cmd/get/get.go

@@ -69,6 +69,7 @@ func GetCmd(restOptions *api.RESTOptions) *cobra.Command {
 	GetCmd.AddCommand(NewGetBGPNeighborCmd(restOptions))
 	GetCmd.AddCommand(NewGetHaStateCmd(restOptions))
 	GetCmd.AddCommand(NewGetBFDCmd(restOptions))
+	GetCmd.AddCommand(NewGetVersionCmd(restOptions))
 
 	return GetCmd
 }

cmd/get/get_lbversion.go

@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2022 NetLOX Inc
+ *
+ * Licensed 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 get
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"loxicmd/pkg/api"
+	"net/http"
+	"time"
+
+	"github.com/spf13/cobra"
+)
+
+func NewGetVersionCmd(restOptions *api.RESTOptions) *cobra.Command {
+	var GetLBVersionCmd = &cobra.Command{
+		Use:     "lbversion",
+		Short:   "Get a loxilb version ",
+		Long:    `It shows version in the LoxiLB`,
+		Aliases: []string{"LBversion", "LBVersion", "llbversion"},
+		Run: func(cmd *cobra.Command, args []string) {
+			client := api.NewLoxiClient(restOptions)
+			ctx := context.TODO()
+			var cancel context.CancelFunc
+			if restOptions.Timeout > 0 {
+				ctx, cancel = context.WithTimeout(context.TODO(), time.Duration(restOptions.Timeout)*time.Second)
+				defer cancel()
+			}
+			resp, err := client.LBVersion().Get(ctx)
+			if err != nil {
+				fmt.Printf("Error: %s\n", err.Error())
+				return
+			}
+			if resp.StatusCode == http.StatusOK {
+				PrintGetVersionResult(resp, *restOptions)
+				return
+			}
+
+		},
+	}
+
+	return GetLBVersionCmd
+}
+
+func PrintGetVersionResult(resp *http.Response, o api.RESTOptions) {
+	Versionresp := api.LBVersionGet{}
+	var data [][]string
+	resultByte, err := io.ReadAll(resp.Body)
+	if err != nil {
+		fmt.Printf("Error: Failed to read HTTP response: (%s)\n", err.Error())
+		return
+	}
+
+	if err := json.Unmarshal(resultByte, &Versionresp); err != nil {
+		fmt.Printf("Error: Failed to unmarshal HTTP response: (%s)\n", err.Error())
+		return
+	}
+
+	// if json options enable, it print as a json format.
+	if o.PrintOption == "json" {
+		resultIndent, _ := json.MarshalIndent(Versionresp, "", "    ")
+		fmt.Println(string(resultIndent))
+		return
+	}
+
+	// Table Init
+	table := TableInit()
+
+	table.SetHeader(LBVERSION_TITLE)
+	data = append(data, []string{Versionresp.Version, Versionresp.BuildInfo})
+
+	// Rendering the load balance data to table
+	TableShow(data, table)
+}

cmd/get/type.go

@@ -47,4 +47,5 @@ var (
 	HASTATE_TITLE           = []string{"Instance", "HAState"}
 	BFD_TITLE               = []string{"Instance", "RemoteIP", "State"}
 	BFD_WIDE_TITLE          = []string{"Instance", "RemoteIP", "SourceIP", "Port", "Interval", "Retry Count", "State"}
+	LBVERSION_TITLE         = []string{"LoxiLB Version", "LoxiLB Build Info"}
 )

cmd/root.go

@@ -30,7 +30,7 @@ import (
 	"github.com/spf13/cobra"
 )
 
-var Version string = ""
+var Version string = "0.9.7-beta"
 var BuildInfo string = ""
 
 var VersionCmd = &cobra.Command{
@@ -39,7 +39,7 @@ var VersionCmd = &cobra.Command{
 	Long:  `It shows Loxicmd version.`,
 
 	Run: func(cmd *cobra.Command, args []string) {
-		fmt.Printf("%s %s\n", Version, BuildInfo)
+		fmt.Printf("Loxicmd version: %s\nLoxicmd build info: %s\n", Version, BuildInfo)
 	},
 }
 

pkg/api/client.go

@@ -43,6 +43,7 @@ const (
 	loxiBGPNeighResource        = "config/bgp/neigh"
 	loxiStatusResource          = "status"
 	loxiBFDSessionResource      = "config/bfd"
+	loxiVersionResource         = "version"
 )
 
 type LoxiClient struct {
@@ -319,3 +320,15 @@ func (l *LoxiClient) BFDSession() *BFDSession {
 		},
 	}
 }
+func (l *LoxiClient) LBVersion() *LBVersion {
+	return &LBVersion{
+		CommonAPI: CommonAPI{
+			restClient: &l.restClient,
+			requestInfo: RequestInfo{
+				provider:   loxiProvider,
+				apiVersion: loxiApiVersion,
+				resource:   loxiVersionResource,
+			},
+		},
+	}
+}

pkg/api/lbversion.go

@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2022 NetLOX Inc
+ *
+ * Licensed 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 api
+
+ type LBVersion struct {
+	 CommonAPI
+ }
+ 
+ type LBVersionGet struct {
+	 BuildInfo string `json:"buildInfo"`
+	 Version   string `json:"version"`
+ }
+