Switch isogen command output to log module

Change-Id: I4f23bbe192a2f56a4ebfa0d1417b2271a343ff96

cmd/bootstrap/bootstrap_isogen.go

@@ -14,7 +14,7 @@ func NewISOGenCommand(parent *cobra.Command, rootSettings *environment.AirshipCT
 		Use:   "isogen",
 		Short: "Generate bootstrap ISO image",
 		RunE: func(cmd *cobra.Command, args []string) error {
-			return isogen.GenerateBootstrapIso(settings, args, cmd.OutOrStdout())
+			return isogen.GenerateBootstrapIso(settings, args)
 		},
 	}
 

pkg/bootstrap/isogen/command.go

@@ -3,7 +3,6 @@ package isogen
 import (
 	"context"
 	"fmt"
-	"io"
 	"os"
 	"path/filepath"
 	"strings"
@@ -12,6 +11,7 @@ import (
 	"opendev.org/airship/airshipctl/pkg/container"
 	"opendev.org/airship/airshipctl/pkg/document"
 	"opendev.org/airship/airshipctl/pkg/errors"
+	"opendev.org/airship/airshipctl/pkg/log"
 	"opendev.org/airship/airshipctl/pkg/util"
 
 	"sigs.k8s.io/kustomize/v3/pkg/fs"
@@ -22,9 +22,9 @@ const (
 )
 
 // GenerateBootstrapIso will generate data for cloud init and start ISO builder container
-func GenerateBootstrapIso(settings *Settings, args []string, out io.Writer) error {
+func GenerateBootstrapIso(settings *Settings, args []string) error {
 	if settings.IsogenConfigFile == "" {
-		fmt.Fprintln(out, "Reading config file location from global settings is not supported")
+		log.Print("Reading config file location from global settings is not supported")
 		return errors.ErrNotImplemented{}
 	}
 
@@ -35,7 +35,7 @@ func GenerateBootstrapIso(settings *Settings, args []string, out io.Writer) erro
 		return err
 	}
 
-	if err := verifyInputs(cfg, args, out); err != nil {
+	if err := verifyInputs(cfg, args); err != nil {
 		return err
 	}
 
@@ -44,7 +44,7 @@ func GenerateBootstrapIso(settings *Settings, args []string, out io.Writer) erro
 		return err
 	}
 
-	fmt.Fprintln(out, "Creating ISO builder container")
+	log.Print("Creating ISO builder container")
 	builder, err := container.NewContainer(
 		&ctx, cfg.Container.ContainerRuntime,
 		cfg.Container.Image)
@@ -52,28 +52,28 @@ func GenerateBootstrapIso(settings *Settings, args []string, out io.Writer) erro
 		return err
 	}
 
-	err = generateBootstrapIso(docBundle, builder, cfg, out, settings.Debug)
+	err = generateBootstrapIso(docBundle, builder, cfg, settings.Debug)
 	if err != nil {
 		return err
 	}
-	fmt.Fprintln(out, "Checking artifacts")
+	log.Print("Checking artifacts")
 	return verifyArtifacts(cfg)
 
 }
 
-func verifyInputs(cfg *Config, args []string, out io.Writer) error {
+func verifyInputs(cfg *Config, args []string) error {
 	if len(args) == 0 {
-		fmt.Fprintln(out, "Specify path to document model. Config param from global settings is not supported")
+		log.Print("Specify path to document model. Config param from global settings is not supported")
 		return errors.ErrNotImplemented{}
 	}
 
 	if cfg.Container.Volume == "" {
-		fmt.Fprintln(out, "Specify volume bind for ISO builder container")
+		log.Print("Specify volume bind for ISO builder container")
 		return errors.ErrWrongConfig{}
 	}
 
 	if (cfg.Builder.UserDataFileName == "") || (cfg.Builder.NetworkConfigFileName == "") {
-		fmt.Fprintln(out, "UserDataFileName or NetworkConfigFileName are not specified in ISO builder config")
+		log.Print("UserDataFileName or NetworkConfigFileName are not specified in ISO builder config")
 		return errors.ErrWrongConfig{}
 	}
 
@@ -82,7 +82,7 @@ func verifyInputs(cfg *Config, args []string, out io.Writer) error {
 	case len(vols) == 1:
 		cfg.Container.Volume = fmt.Sprintf("%s:%s", vols[0], vols[0])
 	case len(vols) > 2:
-		fmt.Fprintln(out, "Bad container volume format. Use hostPath:contPath")
+		log.Print("Bad container volume format. Use hostPath:contPath")
 		return errors.ErrWrongConfig{}
 	}
 	return nil
@@ -113,11 +113,10 @@ func generateBootstrapIso(
 	docBubdle document.Bundle,
 	builder container.Container,
 	cfg *Config,
-	out io.Writer,
 	debug bool,
 ) error {
 	cntVol := strings.Split(cfg.Container.Volume, ":")[1]
-	fmt.Fprintln(out, "Creating cloud-init for ephemeral K8s")
+	log.Print("Creating cloud-init for ephemeral K8s")
 	userData, netConf, err := cloudinit.GetCloudData(docBubdle, EphemeralClusterAnnotation)
 	if err != nil {
 		return err
@@ -131,7 +130,7 @@ func generateBootstrapIso(
 
 	vols := []string{cfg.Container.Volume}
 	builderCfgLocation := filepath.Join(cntVol, builderConfigFileName)
-	fmt.Fprintf(out, "Running default container command. Mounted dir: %s\n", vols)
+	log.Printf("Running default container command. Mounted dir: %s", vols)
 	if err := builder.RunCommand(
 		[]string{},
 		nil,
@@ -142,15 +141,12 @@ func generateBootstrapIso(
 		return err
 	}
 
-	fmt.Fprintln(out, "ISO successfully built.")
+	log.Print("ISO successfully built.")
-	if debug {
+	if !debug {
-		fmt.Fprintf(
+		log.Print("Removing container.")
-			out,
-			"Debug flag is set. Container %s stopped but not deleted.\n",
-			builder.GetId(),
-		)
-		return nil
-	}
-	fmt.Fprintln(out, "Removing container.")
 		return builder.RmContainer()
 	}
+
+	log.Debugf("Debug flag is set. Container %s stopped but not deleted.", builder.GetId())
+	return nil
+}

pkg/bootstrap/isogen/command_test.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"fmt"
 	"io"
+	"strings"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -11,6 +12,7 @@ import (
 
 	"opendev.org/airship/airshipctl/pkg/document"
 	"opendev.org/airship/airshipctl/pkg/errors"
+	"opendev.org/airship/airshipctl/pkg/log"
 	"opendev.org/airship/airshipctl/testutil"
 )
 
@@ -60,18 +62,18 @@ func TestBootstrapIso(t *testing.T) {
 		},
 	}
 	expOut := []string{
-		"Creating cloud-init for ephemeral K8s\n",
+		"Creating cloud-init for ephemeral K8s",
-		fmt.Sprintf("Running default container command. Mounted dir: [%s]\n", volBind),
+		fmt.Sprintf("Running default container command. Mounted dir: [%s]", volBind),
-		"ISO successfully built.\n",
+		"ISO successfully built.",
-		"Debug flag is set. Container TESTID stopped but not deleted.\n",
+		"Debug flag is set. Container TESTID stopped but not deleted.",
-		"Removing container.\n",
+		"Removing container.",
 	}
 
 	tests := []struct {
 		builder     *mockContainer
 		cfg         *Config
 		debug       bool
-		expectedOut string
+		expectedOut []string
 		expectdErr  error
 	}{
 		{
@@ -80,7 +82,7 @@ func TestBootstrapIso(t *testing.T) {
 			},
 			cfg:         testCfg,
 			debug:       false,
-			expectedOut: expOut[0] + expOut[1],
+			expectedOut: []string{expOut[0], expOut[1]},
 			expectdErr:  testErr,
 		},
 		{
@@ -90,7 +92,7 @@ func TestBootstrapIso(t *testing.T) {
 			},
 			cfg:         testCfg,
 			debug:       true,
-			expectedOut: expOut[0] + expOut[1] + expOut[2] + expOut[3],
+			expectedOut: []string{expOut[0], expOut[1], expOut[2], expOut[3]},
 			expectdErr:  nil,
 		},
 		{
@@ -101,20 +103,22 @@ func TestBootstrapIso(t *testing.T) {
 			},
 			cfg:         testCfg,
 			debug:       false,
-			expectedOut: expOut[0] + expOut[1] + expOut[2] + expOut[4],
+			expectedOut: []string{expOut[0], expOut[1], expOut[2], expOut[4]},
 			expectdErr:  testErr,
 		},
 	}
 
 	for _, tt := range tests {
-		actualOut := bytes.NewBufferString("")
+		outBuf := &bytes.Buffer{}
-		actualErr := generateBootstrapIso(bundle, tt.builder, tt.cfg, actualOut, tt.debug)
+		log.Init(tt.debug, outBuf)
+		actualErr := generateBootstrapIso(bundle, tt.builder, tt.cfg, tt.debug)
+		actualOut := outBuf.String()
 
-		errS := fmt.Sprintf("generateBootstrapIso should have return error %s, got %s", tt.expectdErr, actualErr)
+		for _, line := range tt.expectedOut {
-		assert.Equal(t, actualErr, tt.expectdErr, errS)
+			assert.True(t, strings.Contains(actualOut, line))
+		}
 
-		errS = fmt.Sprintf("generateBootstrapIso should have print %s, got %s", tt.expectedOut, actualOut)
+		assert.Equal(t, tt.expectdErr, actualErr)
-		assert.Equal(t, actualOut.String(), tt.expectedOut, errS)
 	}
 }
 
@@ -172,7 +176,7 @@ func TestVerifyInputs(t *testing.T) {
 	}
 
 	for _, tt := range tests {
-		actualErr := verifyInputs(tt.cfg, tt.args, bytes.NewBufferString(""))
+		actualErr := verifyInputs(tt.cfg, tt.args)
 		assert.Equal(t, tt.expectedErr, actualErr)
 	}