Check platform for module config

src/config/moduleConfiguration.go

@@ -1,6 +1,7 @@
 package config
 
 import (
+	"alma/helpers"
 	"cmp"
 	"encoding/json"
 	"io"
@@ -36,8 +37,9 @@ func LoadModuleConfiguration(moduleConfigPath string) *ModuleConfiguration {
 	platformKeys := make([]string, 0, len(moduleConfigurationRoot))
 
 	for key := range moduleConfigurationRoot {
-		if key != "default" {
+		if key != "default" && helpers.IsOnPlatform(key) {
 			platformKeys = append(platformKeys, key)
+            println("Adding platform '" + key + "'")
 		}
 	}
 
@@ -51,7 +53,7 @@ func LoadModuleConfiguration(moduleConfigPath string) *ModuleConfiguration {
 	}
 
 	for _, platformKey := range platformKeys {
-        // TODO: apply only the platform-specific configuration
+        println("Merging platform '" + platformKey + "'")
 		moduleConfiguration.Merge(moduleConfigurationRoot[platformKey])
 	}
 

src/helpers/osinfo.go

@@ -0,0 +1,62 @@
+package helpers
+
+import (
+	"bufio"
+	"os"
+	"runtime"
+	"strings"
+)
+
+const OsIdentifierDefault = "default"
+const OsIdentifierLinux = "linux"
+const OsIdentifierMac = "macos"
+const OsIdentifierWindows = "windows"
+
+const osReleasePathLinux = "/etc/os-release"
+
+func GetOsIdentifier() string {
+	baseIdentifier := getBaseOsIdentifier()
+
+	return baseIdentifier + "-" + getNormalizedArch()
+}
+
+func IsOnPlatform(platform string) bool {
+    return strings.Index(GetOsIdentifier(), platform) == 0
+}
+
+func getBaseOsIdentifier() string {
+	switch runtime.GOOS {
+	case "windows":
+		return OsIdentifierWindows
+	case "darwin":
+		return OsIdentifierMac
+	case "linux":
+		file, err := os.Open(osReleasePathLinux)
+
+		if err != nil {
+			return OsIdentifierLinux
+		}
+		defer file.Close()
+
+		scanner := bufio.NewScanner(file)
+		for scanner.Scan() {
+			line := strings.ToLower(scanner.Text())
+			if strings.HasPrefix(line, "id=") {
+				return OsIdentifierLinux + "-" + strings.Trim(line[3:], "\"")
+			}
+		}
+	}
+
+	return runtime.GOOS
+}
+
+func getNormalizedArch() string {
+	switch runtime.GOARCH {
+	case "amd64":
+		return "x64"
+	case "386":
+		return "x86"
+	}
+
+	return runtime.GOARCH
+}

src/test_module/.alma-config.json

@@ -5,5 +5,13 @@
             "test_folder": "test_folder",
             "test_folder2": "test_folder3"
         }
+    },
+    "win": {
+    },
+    "linux": {
+    },
+    "linux-fedora-x64": {
+    },
+    "linux-fedora": {
     }
 }