Revert "fix(compiler): validate step naming conflicts (#1257)"

This reverts commit 1f6a9b9.

Author: wass3rw3rk

compiler/native/validate.go

@@ -58,7 +58,7 @@ func (c *client) Validate(p *yaml.Build) error {
 	}
 
 	// validate the steps block provided
-	err = validateSteps(p.Steps, make(map[string]bool), "")
+	err = validateSteps(p.Steps)
 	if err != nil {
 		result = multierror.Append(result, err)
 	}
@@ -85,8 +85,6 @@ func validateServices(s yaml.ServiceSlice) error {
 // validateStages is a helper function that verifies the
 // stages block in the yaml configuration is valid.
 func validateStages(s yaml.StageSlice) error {
-	nameMap := make(map[string]bool)
-
 	for _, stage := range s {
 		if len(stage.Name) == 0 {
 			return fmt.Errorf("no name provided for stage")
@@ -99,9 +97,24 @@ func validateStages(s yaml.StageSlice) error {
 			}
 		}
 
-		err := validateSteps(stage.Steps, nameMap, stage.Name)
-		if err != nil {
-			return err
+		for _, step := range stage.Steps {
+			if len(step.Name) == 0 {
+				return fmt.Errorf("no name provided for step for stage %s", stage.Name)
+			}
+
+			if len(step.Image) == 0 {
+				return fmt.Errorf("no image provided for step %s for stage %s", step.Name, stage.Name)
+			}
+
+			if step.Name == "clone" || step.Name == "init" {
+				continue
+			}
+
+			if len(step.Commands) == 0 && len(step.Environment) == 0 &&
+				len(step.Parameters) == 0 && len(step.Secrets) == 0 &&
+				len(step.Template.Name) == 0 && !step.Detach {
+				return fmt.Errorf("no commands, environment, parameters, secrets or template provided for step %s for stage %s", step.Name, stage.Name)
+			}
 		}
 	}
 
@@ -110,7 +123,7 @@ func validateStages(s yaml.StageSlice) error {
 
 // validateSteps is a helper function that verifies the
 // steps block in the yaml configuration is valid.
-func validateSteps(s yaml.StepSlice, nameMap map[string]bool, stageName string) error {
+func validateSteps(s yaml.StepSlice) error {
 	reportCount := 0
 
 	reportMap := make(map[string]string)
@@ -128,12 +141,6 @@ func validateSteps(s yaml.StepSlice, nameMap map[string]bool, stageName string)
 			continue
 		}
 
-		if _, ok := nameMap[stageName+"_"+step.Name]; ok {
-			return fmt.Errorf("step %s is already defined", step.Name)
-		}
-
-		nameMap[stageName+"_"+step.Name] = true
-
 		if s, ok := reportMap[step.ReportAs]; ok {
 			return fmt.Errorf("report_as to %s for step %s is already targeted by step %s", step.ReportAs, step.Name, s)
 		}

compiler/native/validate_test.go

@@ -389,53 +389,6 @@ func TestNative_Validate_Stages_NoCommands(t *testing.T) {
 	}
 }
 
-func TestNative_Validate_Stages_StepNameConflict(t *testing.T) {
-	// setup types
-	set := flag.NewFlagSet("test", 0)
-	set.String("clone-image", defaultCloneImage, "doc")
-	c := cli.NewContext(nil, set, nil)
-
-	str := "foo"
-	p := &yaml.Build{
-		Version: "v1",
-		Stages: yaml.StageSlice{
-			&yaml.Stage{
-				Name: str,
-				Steps: yaml.StepSlice{
-					&yaml.Step{
-						Commands: raw.StringSlice{"echo hello"},
-						Image:    "alpine",
-						Name:     str,
-						Pull:     "always",
-					},
-				},
-			},
-			&yaml.Stage{
-				Name: str,
-				Steps: yaml.StepSlice{
-					&yaml.Step{
-						Commands: raw.StringSlice{"echo hello"},
-						Image:    "alpine",
-						Name:     str,
-						Pull:     "always",
-					},
-				},
-			},
-		},
-	}
-
-	// run test
-	compiler, err := FromCLIContext(c)
-	if err != nil {
-		t.Errorf("Unable to create new compiler: %v", err)
-	}
-
-	err = compiler.Validate(p)
-	if err == nil {
-		t.Errorf("Validate should have returned err")
-	}
-}
-
 func TestNative_Validate_Stages_NeedsSelfReference(t *testing.T) {
 	// setup types
 	set := flag.NewFlagSet("test", 0)
@@ -533,36 +486,6 @@ func TestNative_Validate_Steps_NoName(t *testing.T) {
 	}
 }
 
-func TestNative_Validate_Steps_NameCollision(t *testing.T) {
-	// setup types
-	set := flag.NewFlagSet("test", 0)
-	set.String("clone-image", defaultCloneImage, "doc")
-	c := cli.NewContext(nil, set, nil)
-
-	str := "foo"
-	p := &yaml.Build{
-		Version: "v1",
-		Steps: yaml.StepSlice{
-			&yaml.Step{
-				Commands: raw.StringSlice{"echo hello"},
-				Name:     str,
-				Pull:     "always",
-			},
-		},
-	}
-
-	// run test
-	compiler, err := FromCLIContext(c)
-	if err != nil {
-		t.Errorf("Unable to create new compiler: %v", err)
-	}
-
-	err = compiler.Validate(p)
-	if err == nil {
-		t.Errorf("Validate should have returned err")
-	}
-}
-
 func TestNative_Validate_Steps_NoImage(t *testing.T) {
 	// setup types
 	set := flag.NewFlagSet("test", 0)
@@ -701,40 +624,3 @@ func TestNative_Validate_MultiReportAs(t *testing.T) {
 		t.Errorf("Validate should have returned err")
 	}
 }
-
-func TestNative_Validate_Steps_StepNameConflict(t *testing.T) {
-	// setup types
-	set := flag.NewFlagSet("test", 0)
-	set.String("clone-image", defaultCloneImage, "doc")
-	c := cli.NewContext(nil, set, nil)
-
-	str := "foo"
-	p := &yaml.Build{
-		Version: "v1",
-		Steps: yaml.StepSlice{
-			&yaml.Step{
-				Commands: raw.StringSlice{"echo hello"},
-				Image:    "alpine",
-				Name:     str,
-				Pull:     "always",
-			},
-			&yaml.Step{
-				Commands: raw.StringSlice{"echo goodbye"},
-				Image:    "alpine",
-				Name:     str,
-				Pull:     "always",
-			},
-		},
-	}
-
-	// run test
-	compiler, err := FromCLIContext(c)
-	if err != nil {
-		t.Errorf("Unable to create new compiler: %v", err)
-	}
-
-	err = compiler.Validate(p)
-	if err == nil {
-		t.Errorf("Validate should have returned err")
-	}
-}