Adds proper type for GUIDs in Cloud Foundry;

Author: joergdw

devbox.lock

@@ -601,37 +601,6 @@
         }
       }
     },
-    "github:NixOS/nixpkgs/nixpkgs-unstable": {
-      "resolved": "github:NixOS/nixpkgs/b3582c75c7f21ce0b429898980eddbbf05c68e55?lastModified=1746576598&narHash=sha256-FshoQvr6Aor5SnORVvh%2FZdJ1Sa2U4ZrIMwKBX5k2wu0%3D"
-    },
-    "glibcLocales@latest": {
-      "last_modified": "2025-05-06T08:06:31Z",
-      "resolved": "github:NixOS/nixpkgs/1cb1c02a6b1b7cf67e3d7731cbbf327a53da9679#glibcLocales",
-      "source": "devbox-search",
-      "version": "2.40-66",
-      "systems": {
-        "aarch64-linux": {
-          "outputs": [
-            {
-              "name": "out",
-              "path": "/nix/store/7af0gzp82zy3g8gn9khxwj60npcsmbvh-glibc-locales-2.40-66",
-              "default": true
-            }
-          ],
-          "store_path": "/nix/store/6k49f7lzfvbfwx995xfz1n7nhjnzwdx2-ginkgo-2.23.4"
-        },
-        "x86_64-linux": {
-          "outputs": [
-            {
-              "name": "out",
-              "path": "/nix/store/szgq7mx93ihzlhv8jxb9fcb2l5ad22fy-ginkgo-2.23.4",
-              "default": true
-            }
-          ],
-          "store_path": "/nix/store/szgq7mx93ihzlhv8jxb9fcb2l5ad22fy-ginkgo-2.23.4"
-        }
-      }
-    },
     "[email protected]": {
       "last_modified": "2025-05-20T08:00:33Z",
       "resolved": "github:NixOS/nixpkgs/2f9173bde1d3fbf1ad26ff6d52f952f9e9da52ea#gnumake",
@@ -1290,7 +1259,7 @@
     },
     "[email protected]": {
       "last_modified": "2023-02-24T09:01:09Z",
-      "plugin_version": "0.0.4",
+      "plugin_version": "0.0.3",
       "resolved": "github:NixOS/nixpkgs/7d0ed7f2e5aea07ab22ccb338d27fbe347ed2f11#mysql",
       "source": "devbox-search",
       "version": "10.6.12"
@@ -1534,7 +1503,7 @@
     },
     "[email protected]": {
       "last_modified": "2025-05-16T20:19:48Z",
-      "plugin_version": "0.0.4",
+      "plugin_version": "0.0.3",
       "resolved": "github:NixOS/nixpkgs/12a55407652e04dcf2309436eb06fef0d3713ef3#python313",
       "source": "devbox-search",
       "version": "3.13.3",

src/autoscaler/api/binding_request/clean_parser/json-structure.go

@@ -1,6 +1,14 @@
 package models
 
-import "time"
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"os"
+	"regexp"
+	"text/template/parse"
+	"time"
+)
 
 type ScalingType int
 type ScalingStatus int
@@ -45,3 +53,58 @@ type AppScalingResult struct {
 	Adjustment        int           `json:"adjustment"`
 	CooldownExpiredAt int64         `json:"cool_down_expired_at"`
 }
+
+// Globally unique identifier in the context of a “Cloud Foundry” installation;
+type CfGuid string
+
+func (g CfGuid) String() string {
+	return string(g)
+}
+
+type CfGuidParser struct {
+	regexp *regexp.Regexp
+}
+
+func NewCfGuidParser() CfGuidParser {
+	filePath := "../../../schema/json/shared_definitions.json"
+	jsonData, err := os.ReadFile(filePath)
+	if err != nil {
+		// fmt.Errorf("Could not read file \"%s\"\nError: %w", filePath, err)
+		panic(`Assumed guid-schema not found.
+This is a programming-error as the file must be on the hardcorded location.`)
+	}
+
+	type Schema struct {
+		Schemas struct {
+			Guid struct {
+				Pattern string `json:"pattern"`
+			} `json:"guid"`
+		} `json:"schemas"`
+	}
+	var schema Schema
+	json.Unmarshal(jsonData, schema)
+	pattern := schema.Schemas.Guid.Pattern
+
+	r, err := regexp.CompilePOSIX(pattern)
+	if err != nil {
+		panic(`The provided pattern is invalid.
+This is a programming-error as the pattern must be a valid POSIX-regexp.`)
+	}
+
+	return CfGuidParser{regexp: r}
+}
+
+func (p CfGuidParser) Parse(rawGuid string) (CfGuid, error) {
+	matched := p.regexp.MatchString(rawGuid) // regexp.MatchString(p.regexp, rawGuid)
+	if ! matched {
+		msg := fmt.Sprintf("The provided string does not look like a Cloud Foundry GUID: %s", rawGuid)
+		return "<guid-parsing-error>", errors.New(msg)
+	}
+
+	return CfGuid(rawGuid), nil
+}
+
+func ParseGuid(rawGuid string) (CfGuid, error) {
+	p := NewCfGuidParser()
+	return p.Parse(rawGuid)
+}