Remove duplicated logic from templates (#4176)

Author: jjngx

internal/configs/version1/nginx-plus.ingress.tmpl

@@ -177,11 +177,7 @@ server {
 	{{end -}}
 
 	{{range $location := $server.Locations}}
-	{{ if index $.Ingress.Annotations "nginx.org/path-regex" }}
-	location {{  makePathRegex $location.Path $.Ingress.Annotations | printf }} {
-	{{ else }}
-	location {{ $location.Path }} {
-	{{ end }}
+	location {{  makeLocationPath $location.Path $.Ingress.Annotations | printf }} {
 		set $service "{{$location.ServiceName}}";
 		status_zone "{{ $location.ServiceName }}";
 		{{with $location.MinionIngress}}

internal/configs/version1/nginx.ingress.tmpl

@@ -102,11 +102,7 @@ server {
 	{{- end}}
 
 	{{range $location := $server.Locations}}
-	{{ if index $.Ingress.Annotations "nginx.org/path-regex" }}
-	location {{  makePathRegex $location.Path $.Ingress.Annotations | printf }} {
-	{{ else }}
-	location {{ $location.Path }} {
-	{{ end }}
+	location {{  makeLocationPath $location.Path $.Ingress.Annotations | printf }} {
 		set $service "{{$location.ServiceName}}";
 		{{with $location.MinionIngress}}
 		# location for minion {{$location.MinionIngress.Namespace}}/{{$location.MinionIngress.Name}}

internal/configs/version1/template_helper.go

@@ -14,13 +14,13 @@ func trim(s string) string {
 	return strings.TrimSpace(s)
 }
 
-// makePathRegex takes a string representing a location path
+// makeLocationPath takes a string representing a location path
 // and a map representing Ingress annotations.
 // It returns a location path with added regular expression modifier.
 // See [Location Directive].
 //
 // [Location Directive]: https://nginx.org/en/docs/http/ngx_http_core_module.html#location
-func makePathRegex(path string, annotations map[string]string) string {
+func makeLocationPath(path string, annotations map[string]string) string {
 	p, ok := annotations["nginx.org/path-regex"]
 	if !ok {
 		return path
@@ -38,7 +38,7 @@ func makePathRegex(path string, annotations map[string]string) string {
 }
 
 var helperFunctions = template.FuncMap{
-	"split":         split,
-	"trim":          trim,
-	"makePathRegex": makePathRegex,
+	"split":            split,
+	"trim":             trim,
+	"makeLocationPath": makeLocationPath,
 }

internal/configs/version1/template_helper_test.go

@@ -10,7 +10,7 @@ func TestWithPathRegex_MatchesCaseSensitiveModifier(t *testing.T) {
 	t.Parallel()
 
 	want := "~ \"^/coffee/[A-Z0-9]{3}\""
-	got := makePathRegex("/coffee/[A-Z0-9]{3}", map[string]string{"nginx.org/path-regex": "case_sensitive"})
+	got := makeLocationPath("/coffee/[A-Z0-9]{3}", map[string]string{"nginx.org/path-regex": "case_sensitive"})
 	if got != want {
 		t.Errorf("got: %s, want: %s", got, want)
 	}
@@ -20,7 +20,7 @@ func TestWithPathRegex_MatchesCaseInsensitiveModifier(t *testing.T) {
 	t.Parallel()
 
 	want := "~* \"^/coffee/[A-Z0-9]{3}\""
-	got := makePathRegex("/coffee/[A-Z0-9]{3}", map[string]string{"nginx.org/path-regex": "case_insensitive"})
+	got := makeLocationPath("/coffee/[A-Z0-9]{3}", map[string]string{"nginx.org/path-regex": "case_insensitive"})
 	if got != want {
 		t.Errorf("got: %s, want: %s", got, want)
 	}
@@ -30,7 +30,7 @@ func TestWithPathReqex_MatchesExactModifier(t *testing.T) {
 	t.Parallel()
 
 	want := "= \"/coffee\""
-	got := makePathRegex("/coffee", map[string]string{"nginx.org/path-regex": "exact"})
+	got := makeLocationPath("/coffee", map[string]string{"nginx.org/path-regex": "exact"})
 	if got != want {
 		t.Errorf("got: %s, want: %s", got, want)
 	}
@@ -40,7 +40,7 @@ func TestWithPathReqex_DoesNotMatchModifier(t *testing.T) {
 	t.Parallel()
 
 	want := "/coffee"
-	got := makePathRegex("/coffee", map[string]string{"nginx.org/path-regex": "bogus"})
+	got := makeLocationPath("/coffee", map[string]string{"nginx.org/path-regex": "bogus"})
 	if got != want {
 		t.Errorf("got: %s, want: %s", got, want)
 	}
@@ -50,7 +50,7 @@ func TestWithPathReqex_DoesNotMatchEmptyModifier(t *testing.T) {
 	t.Parallel()
 
 	want := "/coffee"
-	got := makePathRegex("/coffee", map[string]string{"nginx.org/path-regex": ""})
+	got := makeLocationPath("/coffee", map[string]string{"nginx.org/path-regex": ""})
 	if got != want {
 		t.Errorf("got: %s, want: %s", got, want)
 	}
@@ -60,7 +60,7 @@ func TestWithPathReqex_DoesNotMatchBogusAnnotationName(t *testing.T) {
 	t.Parallel()
 
 	want := "/coffee"
-	got := makePathRegex("/coffee", map[string]string{"nginx.org/bogus-annotation": ""})
+	got := makeLocationPath("/coffee", map[string]string{"nginx.org/bogus-annotation": ""})
 	if got != want {
 		t.Errorf("got: %s, want: %s", got, want)
 	}