Adding ignoreSubpaths possibility

cmd/argocd-lovely-plugin/packageDirectories.go

@@ -1,10 +1,12 @@
 package main
 
 import (
-	"github.com/crumbhole/argocd-lovely-plugin/pkg/features"
 	"os"
 	"path/filepath"
 	"regexp"
+	"strings"
+
+	"github.com/crumbhole/argocd-lovely-plugin/pkg/features"
 )
 
 // PackageDirectories is an array of sub-application paths
@@ -17,6 +19,23 @@ func (d *PackageDirectories) checkFile(path string, info os.DirEntry, err error)
 	if err != nil {
 		return err
 	}
+
+	// Check if path matches any ignored subpaths
+	ignoreSubpaths, err := features.GetIgnoreSubpaths()
+	if err != nil {
+		return err
+	}
+	for _, subpath := range ignoreSubpaths {
+		// Remove any leading "../" from the subpath
+		for strings.HasPrefix(subpath, "../") {
+			subpath = subpath[len("../"):]
+		}
+
+		if strings.Contains(path, filepath.Clean(subpath)) {
+			return nil // Skip processing if the path matches any ignored subpath
+		}
+	}
+
 	if !info.IsDir() {
 		yamlRegexp := regexp.MustCompile(features.GetDetectionRegex())
 		dir := filepath.Dir(path)

doc/parameter.md

@@ -39,6 +39,7 @@ Environment variables, are conventionally ALL_CAPS, and for our purposes
 | Helmfile Merge | LOVELY_HELMFILE_MERGE | Set to some yaml you'd like [strategic merged](https://kubectl.docs.kubernetes.io/references/kustomize/kustomization/patchesstrategicmerge/) into any helmfile.yaml used by helmfile. |  |
 | Helmfile Patch | LOVELY_HELMFILE_PATCH | to some yaml or json you'd like [json6902](https://kubectl.docs.kubernetes.io/references/kustomize/kustomization/patchesjson6902/) patched into any helmfile.yaml used by Helmfile. |  |
 | Helmfile Template Parameters | LOVELY_HELMFILE_TEMPLATE_PARAMS | Space separated extra parameters to `Helmfile template` as you might use on the command line. You're on your own here if you pass rubbish parameters. |  |
+| Ignore Subpaths | LOVELY_IGNORE_SUBPATHS | This can come useful when some sub-application is not to be processed by the plugin. This is a space separated list of paths to ignore. |  |
 ## Plugin Name
 
 You can set `PLUGIN_NAME` in the environment of the sidecar to override the default name of the plugin. This allows you to supply multiple pre-configured plugins (with different environment, but the same variation).

pkg/features/features.go

@@ -35,8 +35,9 @@ const (
 	HelmfileMerge
 	HelmfilePatch
 	HelmfileTemplateParams
+	IgnoreSubpaths
 	FirstFeature = Plugins
-	LastFeature  = HelmfileTemplateParams
+	LastFeature  = IgnoreSubpaths
 )
 
 // Feature is an individual configurable element of the plugin
@@ -172,5 +173,10 @@ func Features() map[FeatureID]Feature {
 			Name:        `lovely_helmfile_template_params`,
 			Description: "Space separated extra parameters to `Helmfile template` as you might use on the command line. You're on your own here if you pass rubbish parameters.",
 		},
+		IgnoreSubpaths: {
+			Title:       `Ignore Subpaths`,
+			Name:        `lovely_ignore_subpaths`,
+			Description: "This can come useful when some sub-application is not to be processed by the plugin. This is a space separated list of paths to ignore.",
+		},
 	}
 }

pkg/features/getters.go

@@ -3,8 +3,9 @@ package features
 // The control of this is via environment variables, as that
 // is the way argocd allows you to control plugins
 import (
-	"github.com/crumbhole/argocd-lovely-plugin/pkg/config"
 	"os"
+
+	"github.com/crumbhole/argocd-lovely-plugin/pkg/config"
 )
 
 // GetPlugins returns the list of plugins to run during the generate phase after main processing
@@ -165,3 +166,10 @@ func GetHelmfileTemplateParams() ([]string, error) {
 	f := Features()[HelmfileTemplateParams]
 	return config.GetStringListParam(f.EnvName(), f.DefaultVal, ' ')
 }
+
+// GetIgnoreSubpaths returns paths of subapplications to ignore
+// Set LOVELY_IGNORE_SUBPATHS to paths of subapplications to ignore
+func GetIgnoreSubpaths() ([]string, error) {
+	f := Features()[IgnoreSubpaths]
+	return config.GetStringListParam(f.EnvName(), f.DefaultVal, ' ')
+}