Add flag to exclude kinds, names and labels

Author: Michael Sauter

cli/options.go

@@ -17,6 +17,7 @@ type GlobalOptions struct {
 	File           string
 	Namespace      string
 	Selector       string
+	Exclude        string
 	TemplateDirs   []string
 	ParamDirs      []string
 	PublicKeyDir   string
@@ -102,6 +103,9 @@ func (o *GlobalOptions) UpdateWithFile(fileFlags map[string]string) {
 	if val, ok := fileFlags["selector"]; ok {
 		o.Selector = val
 	}
+	if val, ok := fileFlags["exclude"]; ok {
+		o.Exclude = val
+	}
 	if val, ok := fileFlags["template-dir"]; ok {
 		o.TemplateDirs = strings.Split(val, ",")
 	}
@@ -122,7 +126,7 @@ func (o *GlobalOptions) UpdateWithFile(fileFlags map[string]string) {
 	}
 }
 
-func (o *GlobalOptions) UpdateWithFlags(verboseFlag bool, debugFlag bool, nonInteractiveFlag bool, ocBinaryFlag string, namespaceFlag string, selectorFlag string, templateDirFlag []string, paramDirFlag []string, publicKeyDirFlag string, privateKeyFlag string, passphraseFlag string, forceFlag bool) {
+func (o *GlobalOptions) UpdateWithFlags(verboseFlag bool, debugFlag bool, nonInteractiveFlag bool, ocBinaryFlag string, namespaceFlag string, selectorFlag string, excludeFlag string, templateDirFlag []string, paramDirFlag []string, publicKeyDirFlag string, privateKeyFlag string, passphraseFlag string, forceFlag bool) {
 	if verboseFlag {
 		o.Verbose = true
 	}
@@ -147,6 +151,10 @@ func (o *GlobalOptions) UpdateWithFlags(verboseFlag bool, debugFlag bool, nonInt
 		o.Selector = selectorFlag
 	}
 
+	if len(excludeFlag) > 0 {
+		o.Exclude = excludeFlag
+	}
+
 	if len(o.TemplateDirs) == 0 {
 		o.TemplateDirs = templateDirFlag
 	} else if len(templateDirFlag) > 1 || templateDirFlag[0] != "." {

commands/export.go

@@ -9,7 +9,7 @@ import (
 
 // Export prints an export of targeted resources to STDOUT.
 func Export(exportOptions *cli.ExportOptions) error {
-	filter, err := openshift.NewResourceFilter(exportOptions.Resource, exportOptions.Selector)
+	filter, err := openshift.NewResourceFilter(exportOptions.Resource, exportOptions.Selector, exportOptions.Exclude)
 	if err != nil {
 		return err
 	}

commands/status.go

@@ -49,9 +49,8 @@ func calculateChangeset(compareOptions *cli.CompareOptions) (bool, *openshift.Ch
 	}
 
 	resource := compareOptions.Resource
-	selectorFlag := compareOptions.Selector
 
-	filter, err := openshift.NewResourceFilter(resource, selectorFlag)
+	filter, err := openshift.NewResourceFilter(resource, compareOptions.Selector, compareOptions.Exclude)
 	if err != nil {
 		return updateRequired, &openshift.Changeset{}, err
 	}

main.go

@@ -45,6 +45,10 @@ var (
 		"selector",
 		"Selector (label query) to filter on",
 	).Short('l').String()
+	excludeFlag = app.Flag(
+		"exclude",
+		"Exclude kinds, names and labels (comma separated)",
+	).Short('e').String()
 	templateDirFlag = app.Flag(
 		"template-dir",
 		"Path to local templates",
@@ -224,6 +228,7 @@ func main() {
 		*ocBinaryFlag,
 		*namespaceFlag,
 		*selectorFlag,
+		*excludeFlag,
 		*templateDirFlag,
 		*paramDirFlag,
 		*publicKeyDirFlag,

openshift/filter.go

@@ -24,68 +24,88 @@ var availableKinds = []string{
 }
 
 type ResourceFilter struct {
-	Kinds []string
-	Name  string
-	Label string
+	Kinds          []string
+	Name           string
+	Label          string
+	ExcludedKinds  []string
+	ExcludedNames  []string
+	ExcludedLabels []string
 }
 
 // NewResourceFilter returns a filter based on kinds and flags.
 // kindArg might be blank, or a list of kinds (e.g. 'pvc,dc') or
 // a kind/name combination (e.g. 'dc/foo').
 // selectorFlag might be blank or a key and a label, e.g. 'name=foo'.
-func NewResourceFilter(kindArg string, selectorFlag string) (*ResourceFilter, error) {
+func NewResourceFilter(kindArg string, selectorFlag string, excludeFlag string) (*ResourceFilter, error) {
 	filter := &ResourceFilter{
 		Kinds: []string{},
 		Name:  "",
 		Label: selectorFlag,
 	}
 
-	if len(kindArg) == 0 {
-		return filter, nil
-	}
+	if len(kindArg) > 0 {
+		kindArg = strings.ToLower(kindArg)
+
+		if strings.Contains(kindArg, "/") {
+			if strings.Contains(kindArg, ",") {
+				return nil, errors.New(
+					"You cannot target more than one resource name",
+				)
+			}
+			nameParts := strings.Split(kindArg, "/")
+			filter.Name = KindMapping[nameParts[0]] + "/" + nameParts[1]
+			return filter, nil
+		}
 
-	kindArg = strings.ToLower(kindArg)
+		targetedKinds := make(map[string]bool)
+		unknownKinds := []string{}
+		kinds := strings.Split(kindArg, ",")
+		for _, kind := range kinds {
+			if _, ok := KindMapping[kind]; !ok {
+				unknownKinds = append(unknownKinds, kind)
+			} else {
+				targetedKinds[KindMapping[kind]] = true
+			}
+		}
 
-	if strings.Contains(kindArg, "/") {
-		if strings.Contains(kindArg, ",") {
-			return nil, errors.New(
-				"You cannot target more than one resource name",
+		if len(unknownKinds) > 0 {
+			return nil, fmt.Errorf(
+				"Unknown resource kinds: %s",
+				strings.Join(unknownKinds, ","),
 			)
 		}
-		nameParts := strings.Split(kindArg, "/")
-		filter.Name = KindMapping[nameParts[0]] + "/" + nameParts[1]
-		return filter, nil
-	}
 
-	targetedKinds := make(map[string]bool)
-	unknownKinds := []string{}
-	kinds := strings.Split(kindArg, ",")
-	for _, kind := range kinds {
-		if _, ok := KindMapping[kind]; !ok {
-			unknownKinds = append(unknownKinds, kind)
-		} else {
-			targetedKinds[KindMapping[kind]] = true
+		for kind := range targetedKinds {
+			filter.Kinds = append(filter.Kinds, kind)
 		}
-	}
 
-	if len(unknownKinds) > 0 {
-		return nil, fmt.Errorf(
-			"Unknown resource kinds: %s",
-			strings.Join(unknownKinds, ","),
-		)
+		sort.Strings(filter.Kinds)
 	}
 
-	for kind := range targetedKinds {
-		filter.Kinds = append(filter.Kinds, kind)
+	if len(excludeFlag) > 0 {
+		unknownKinds := []string{}
+		excludes := strings.Split(excludeFlag, ",")
+		for _, v := range excludes {
+			if strings.Contains(v, "/") { // Name
+				nameParts := strings.Split(v, "/")
+				filter.ExcludedNames = append(filter.ExcludedNames, KindMapping[nameParts[0]]+"/"+nameParts[1])
+			} else if strings.Contains(v, "=") { // Label
+				filter.ExcludedLabels = append(filter.ExcludedLabels, v)
+			} else { // Kind
+				if _, ok := KindMapping[v]; !ok {
+					unknownKinds = append(unknownKinds, v)
+				} else {
+					filter.ExcludedKinds = append(filter.ExcludedKinds, KindMapping[v])
+				}
+			}
+		}
 	}
 
-	sort.Strings(filter.Kinds)
-
 	return filter, nil
 }
 
 func (f *ResourceFilter) String() string {
-	return fmt.Sprintf("Kind: %s, Name: %s, Label: %s", f.Kinds, f.Name, f.Label)
+	return fmt.Sprintf("Kinds: %s, Name: %s, Label: %s, ExcludedKinds: %s, ExcludedNames: %s, ExcludedLabels: %s", f.Kinds, f.Name, f.Label, f.ExcludedKinds, f.ExcludedNames, f.ExcludedLabels)
 }
 
 func (f *ResourceFilter) SatisfiedBy(item *ResourceItem) bool {
@@ -100,10 +120,27 @@ func (f *ResourceFilter) SatisfiedBy(item *ResourceItem) bool {
 	if len(f.Label) > 0 {
 		labels := strings.Split(f.Label, ",")
 		for _, label := range labels {
-			labelParts := strings.Split(label, "=")
-			if _, ok := item.Labels[labelParts[0]]; !ok {
+			if !item.HasLabel(label) {
 				return false
-			} else if item.Labels[labelParts[0]].(string) != labelParts[1] {
+			}
+		}
+	}
+
+	if len(f.ExcludedNames) > 0 {
+		if utils.Includes(f.ExcludedNames, item.FullName()) {
+			return false
+		}
+	}
+
+	if len(f.ExcludedKinds) > 0 {
+		if utils.Includes(f.ExcludedKinds, item.Kind) {
+			return false
+		}
+	}
+
+	if len(f.ExcludedLabels) > 0 {
+		for _, el := range f.ExcludedLabels {
+			if item.HasLabel(el) {
 				return false
 			}
 		}