optimize dockerfile generation (#284)

tools/goctl/docker/docker.go

@@ -29,11 +29,16 @@ type Docker struct {
 	ExeFile   string
 	HasPort   bool
 	Port      int
-	HasArgs   bool
 	Argument  string
 }
 
-func DockerCommand(c *cli.Context) error {
+func DockerCommand(c *cli.Context) (err error) {
+	defer func() {
+		if err == nil {
+			fmt.Println(aurora.Green("Done."))
+		}
+	}()
+
 	goFile := c.String("go")
 	if len(goFile) == 0 {
 		return errors.New("-go can't be empty")
@@ -60,7 +65,6 @@ func DockerCommand(c *cli.Context) error {
 	projDir, ok := util.FindProjectPath(goFile)
 	if ok {
 		fmt.Printf("Hint: run \"docker build ...\" command in dir %q\n", projDir)
-		fmt.Println(aurora.Green("Done."))
 	}
 
 	return nil
@@ -135,7 +139,6 @@ func generateDockerfile(goFile string, port int, args ...string) error {
 		ExeFile:   util.FileNameWithoutExt(filepath.Base(goFile)),
 		HasPort:   port > 0,
 		Port:      port,
-		HasArgs:   builder.Len() > 0,
 		Argument:  builder.String(),
 	})
 }

tools/goctl/docker/template.go

@@ -22,7 +22,7 @@ ADD go.mod .
 ADD go.sum .
 RUN go mod download
 COPY . .
-{{if .HasArgs}}COPY {{.GoRelPath}}/etc /app/etc
+{{if .Argument}}COPY {{.GoRelPath}}/etc /app/etc
 {{end}}RUN go build -ldflags="-s -w" -o /app/{{.ExeFile}} {{.GoRelPath}}/{{.GoFile}}
 
 
@@ -32,8 +32,8 @@ RUN apk update --no-cache && apk add --no-cache ca-certificates tzdata
 ENV TZ Asia/Shanghai
 
 WORKDIR /app
-COPY --from=builder /app/{{.ExeFile}} /app/{{.ExeFile}}
+COPY --from=builder /app/{{.ExeFile}} /app/{{.ExeFile}}{{if .Argument}}
-{{if .HasArgs}}COPY --from=builder /app/etc /app/etc{{end}}
+COPY --from=builder /app/etc /app/etc{{end}}
 {{if .HasPort}}
 EXPOSE {{.Port}}
 {{end}}

tools/goctl/goctl.go

@@ -247,8 +247,7 @@ var (
 						},
 						cli.StringFlag{
 							Name:  "secret",
-							Usage:    "the image pull secret",
+							Usage: "the secret to image pull from registry",
-							Required: true,
 						},
 						cli.IntFlag{
 							Name:  "requestCpu",

tools/goctl/kube/deployment.go

@@ -47,9 +47,9 @@ spec:
         volumeMounts:
         - name: timezone
           mountPath: /etc/localtime
-      imagePullSecrets:
+      {{if .Secret}}imagePullSecrets:
       - name: {{.Secret}}
-      volumes:
+      {{end}}volumes:
         - name: timezone
           hostPath:
             path: /usr/share/zoneinfo/Asia/Shanghai

tools/goctl/kube/kube.go

@@ -2,8 +2,10 @@ package kube
 
 import (
 	"errors"
+	"fmt"
 	"text/template"
 
+	"github.com/logrusorgru/aurora"
 	"github.com/tal-tech/go-zero/tools/goctl/util"
 	"github.com/urfave/cli"
 )
@@ -53,7 +55,7 @@ func DeploymentCommand(c *cli.Context) error {
 	defer out.Close()
 
 	t := template.Must(template.New("deploymentTemplate").Parse(text))
-	return t.Execute(out, Deployment{
+	err = t.Execute(out, Deployment{
 		Name:        c.String("name"),
 		Namespace:   c.String("namespace"),
 		Image:       c.String("image"),
@@ -70,6 +72,12 @@ func DeploymentCommand(c *cli.Context) error {
 		MinReplicas: c.Int("minReplicas"),
 		MaxReplicas: c.Int("maxReplicas"),
 	})
+	if err != nil {
+		return err
+	}
+
+	fmt.Println(aurora.Green("Done."))
+	return nil
 }
 
 func Category() string {