Improved errors printing in case of terraform/tofu invocation (#3423)

* Improved erorr printing to incude stderr and stdout

* lint fixes

* Test to do output of errors

* Updated handling of error message

* Updated log level

shell/run_shell_cmd.go

@@ -253,6 +253,7 @@ func RunShellCommandWithOutput(
 		}
 
 		if err != nil {
+			opts.Logger.Warnf("Failed to execute %s in %s\n%s\n%s\n%v", command+" "+strings.Join(args, " "), cmd.Dir, stdoutBuf.String(), stderrBuf.String(), err)
 			err = util.ProcessExecutionError{
 				Err:        err,
 				Stdout:     stdoutBuf.String(),

test/fixtures/error-print/custom-tf-script.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+echo "Custom error from script" >&2
+
+exit 1

test/integration_test.go

@@ -103,6 +103,7 @@ const (
 	testFixtureStack                          = "fixtures/stack/"
 	testFixtureStdout                         = "fixtures/download/stdout-test"
 	testFixtureTfTest                         = "fixtures/tftest/"
+	testFixtureErrorPrint                     = "fixtures/error-print"
 
 	terraformFolder = ".terraform"
 
@@ -3905,3 +3906,16 @@ func TestTerragruntJsonPlanJsonOutput(t *testing.T) {
 
 	}
 }
+
+func TestErrorMessageIncludeInOutput(t *testing.T) {
+	t.Parallel()
+
+	tmpEnvPath := copyEnvironment(t, testFixtureErrorPrint)
+	cleanupTerraformFolder(t, tmpEnvPath)
+	testPath := util.JoinPath(tmpEnvPath, testFixtureErrorPrint)
+
+	_, stderr, err := runTerragruntCommandWithOutput(t, "terragrunt apply  --terragrunt-non-interactive --terragrunt-working-dir "+testPath+" --terragrunt-tfpath "+testPath+"/custom-tf-script.sh --terragrunt-log-level debug")
+	require.Error(t, err)
+
+	assert.Contains(t, stderr, "Custom error from script")
+}