fixup! update

cli/internal/kubernetes/upgrade.go

@@ -183,12 +183,7 @@ func (u *Upgrader) CleanUpTerraformMigrations(fileHandler file.Handler) error {
 // If a diff exists, it's being written to the upgrader's output writer. It also returns
 // a bool indicating whether a diff exists.
 func (u *Upgrader) PlanTerraformMigrations(ctx context.Context, opts upgrade.TerraformUpgradeOptions) (bool, error) {
-	hasDiff, err := u.tfUpgrader.PlanIAMMigration(ctx, opts.CSP, opts.LogLevel, u.upgradeID)
-	if err != nil {
-		return false, fmt.Errorf("planning terraform migrations: %w", err)
-	}
-	return hasDiff, nil
-	// return u.tfUpgrader.PlanTerraformMigrations(ctx, opts, u.upgradeID)
+	return u.tfUpgrader.PlanTerraformMigrations(ctx, opts, u.upgradeID)
 }
 
 // ApplyTerraformMigrations applies the migrations planned by PlanTerraformMigrations.

cli/internal/terraform/iammigrate_test.go

@@ -0,0 +1,111 @@
+/*
+Copyright (c) Edgeless Systems GmbH
+
+SPDX-License-Identifier: AGPL-3.0-only
+*/
+
+package terraform
+
+import (
+	"bytes"
+	"context"
+	"io"
+	"path/filepath"
+	"testing"
+
+	"github.com/edgelesssys/constellation/v2/internal/cloud/cloudprovider"
+	"github.com/edgelesssys/constellation/v2/internal/constants"
+	"github.com/edgelesssys/constellation/v2/internal/file"
+	"github.com/spf13/afero"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestIAMMigrate(t *testing.T) {
+	// plan should copy the terraform files to the upgrade directory
+	// create upgrade dir
+	// show plan changes in outWriter
+	upgradeID := "test-upgrade"
+	tfClient, err := New(context.Background(), filepath.Join(constants.UpgradeDir, upgradeID, constants.TerraformUpgradeWorkingDir))
+	require.NoError(t, err)
+	// prep fs
+	fs := afero.NewMemMapFs()
+	file := file.NewHandler(fs)
+	err = file.MkdirAll(constants.TerraformIAMWorkingDir)
+	require.NoError(t, err)
+	err = file.Write(filepath.Join(constants.TerraformIAMWorkingDir, "terraform.tfvars"), []byte("OLD"))
+	require.NoError(t, err)
+	err = file.Write(filepath.Join(constants.TerraformIAMWorkingDir, "terraform.tfstate"), []byte("OLD"))
+	require.NoError(t, err)
+	tfClient.file = file
+
+	writer := bytes.NewBuffer(nil)
+	fakeTfClient := &tfClientStub{tfClient, upgradeID}
+	sut := NewIAMMigrateCmd(fakeTfClient, upgradeID, cloudprovider.AWS, LogLevelDebug, writer)
+
+	hasDiff, err := sut.Plan(context.Background())
+	assert.NoError(t, err)
+	assert.False(t, hasDiff)
+	// check that files are copied
+	res, err := fs.Stat(filepath.Join(constants.UpgradeDir, upgradeID, constants.TerraformIAMUpgradeWorkingDir, "terraform.tfvars"))
+
+	assert.NoError(t, err)
+	assert.NotNil(t, res)
+	res, err = fs.Stat(filepath.Join(constants.UpgradeDir, upgradeID, constants.TerraformIAMUpgradeWorkingDir, "terraform.tfstate"))
+	assert.NoError(t, err)
+	assert.NotNil(t, res)
+
+	// apply
+	err = sut.Apply(context.Background(), file)
+	assert.NoError(t, err)
+	// check that files are copied
+	bt, err := file.Read(filepath.Join(constants.TerraformIAMWorkingDir, "terraform.tfvars"))
+	assert.NoError(t, err)
+	assert.Equal(t, "NEW", string(bt))
+	bt, err = file.Read(filepath.Join(constants.TerraformIAMWorkingDir, "terraform.tfstate"))
+	assert.NoError(t, err)
+	assert.Equal(t, "NEW", string(bt))
+
+	// upgrade dir should be removed
+	res, err = fs.Stat(filepath.Join(constants.UpgradeDir, upgradeID, constants.TerraformIAMUpgradeWorkingDir))
+	assert.Error(t, err)
+	assert.Nil(t, res)
+}
+
+type tfClientStub struct {
+	realClient *Client
+	upgradeID  string
+}
+
+func (t *tfClientStub) PrepareIAMUpgradeWorkspace(rootDir, workingDir, newWorkingDir, backupDir string) error {
+	return t.realClient.PrepareIAMUpgradeWorkspace(rootDir, workingDir, newWorkingDir, backupDir)
+}
+
+func (t *tfClientStub) Plan(ctx context.Context, logLevel LogLevel, planFile string) (bool, error) {
+	return false, nil
+}
+
+func (t *tfClientStub) ShowPlan(ctx context.Context, logLevel LogLevel, planFile string, outWriter io.Writer) error {
+	return nil
+}
+
+func (t *tfClientStub) CreateIAMConfig(ctx context.Context, csp cloudprovider.Provider, logLevel LogLevel) (IAMOutput, error) {
+	upgradeDir := filepath.Join(constants.UpgradeDir, t.upgradeID, constants.TerraformIAMUpgradeWorkingDir)
+	err := t.realClient.file.Remove(filepath.Join(upgradeDir, "terraform.tfvars"))
+	if err != nil {
+		return IAMOutput{}, err
+	}
+	err = t.realClient.file.Write(filepath.Join(upgradeDir, "terraform.tfvars"), []byte("NEW"))
+	if err != nil {
+		return IAMOutput{}, err
+	}
+	err = t.realClient.file.Remove(filepath.Join(upgradeDir, "terraform.tfstate"))
+	if err != nil {
+		return IAMOutput{}, err
+	}
+	err = t.realClient.file.Write(filepath.Join(upgradeDir, "terraform.tfstate"), []byte("NEW"))
+	if err != nil {
+		return IAMOutput{}, err
+	}
+	return IAMOutput{}, nil
+}

cli/internal/upgrade/main/main.go

@@ -8,7 +8,6 @@ import (
 
 	"github.com/edgelesssys/constellation/v2/cli/internal/terraform"
 	"github.com/edgelesssys/constellation/v2/cli/internal/upgrade"
-	"github.com/edgelesssys/constellation/v2/internal/cloud/cloudprovider"
 	"github.com/edgelesssys/constellation/v2/internal/constants"
 )
 
@@ -24,12 +23,12 @@ func main() {
 	if err != nil {
 		panic(fmt.Errorf("setting up terraform upgrader: %w", err))
 	}
-	diff, err := tfUpgrader.PlanIAMMigration(ctx, upgrade.TerraformUpgradeOptions{
-		CSP:      cloudprovider.AWS,
-		LogLevel: terraform.LogLevelDebug,
-	}, "test")
-	if err != nil {
-		panic(fmt.Errorf("planning terraform migrations: %w", err))
-	}
-	fmt.Println(diff)
+	//diff, err := tfUpgrader.PlanIAMMigration(ctx, upgrade.TerraformUpgradeOptions{
+	//	CSP:      cloudprovider.AWS,
+	//	LogLevel: terraform.LogLevelDebug,
+	//}, "test")
+	//if err != nil {
+	//	panic(fmt.Errorf("planning terraform migrations: %w", err))
+	//}
+	//fmt.Println(diff)
 }

cli/internal/upgrade/terraform.go

@@ -85,31 +85,6 @@ func checkFileExists(fileHandler file.Handler, existingFiles *[]string, filename
 	return nil
 }
 
-func (u *TerraformUpgrader) PlanIAMMigration(ctx context.Context, csp cloudprovider.Provider, logLevel terraform.LogLevel, upgradeID string) (bool, error) {
-	err := u.tf.PrepareIAMUpgradeWorkspace(
-		filepath.Join("terraform", "iam", strings.ToLower(csp.String())),
-		constants.TerraformIAMWorkingDir,
-		filepath.Join(constants.UpgradeDir, upgradeID, constants.TerraformUpgradeWorkingDir),
-		filepath.Join(constants.UpgradeDir, upgradeID, constants.TerraformUpgradeBackupDir),
-	)
-	if err != nil {
-		return false, fmt.Errorf("preparing terraform workspace: %w", err)
-	}
-
-	hasDiff, err := u.tf.Plan(ctx, logLevel, constants.TerraformUpgradePlanFile)
-	if err != nil {
-		return false, fmt.Errorf("terraform plan: %w", err)
-	}
-
-	if hasDiff {
-		if err := u.tf.ShowPlan(ctx, logLevel, constants.TerraformUpgradePlanFile, u.outWriter); err != nil {
-			return false, fmt.Errorf("terraform show plan: %w", err)
-		}
-	}
-
-	return hasDiff, nil
-}
-
 // PlanTerraformMigrations prepares the upgrade workspace and plans the Terraform migrations for the Constellation upgrade.
 // If a diff exists, it's being written to the upgrader's output writer. It also returns
 // a bool indicating whether a diff exists.