Refactor main

Convert components to Singletons Restructure main package Reduce dependencies
2025-12-18 13:16:17 +01:00 · 2024-07-16 12:08:10 +02:00
parent 01a4d33514
commit 801607fc16
14 changed files with 774 additions and 613 deletions
--- a/cmd/cc-backend/init.go
+++ b/cmd/cc-backend/init.go
@@ -0,0 +1,85 @@
+// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
+// All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/ClusterCockpit/cc-backend/internal/repository"
+	"github.com/ClusterCockpit/cc-backend/internal/util"
+	"github.com/ClusterCockpit/cc-backend/pkg/log"
+)
+
+const envString = `
+# Base64 encoded Ed25519 keys (DO NOT USE THESE TWO IN PRODUCTION!)
+# You can generate your own keypair using the gen-keypair tool
+JWT_PUBLIC_KEY="kzfYrYy+TzpanWZHJ5qSdMj5uKUWgq74BWhQG6copP0="
+JWT_PRIVATE_KEY="dtPC/6dWJFKZK7KZ78CvWuynylOmjBFyMsUWArwmodOTN9itjL5POlqdZkcnmpJ0yPm4pRaCrvgFaFAbpyik/Q=="
+
+# Some random bytes used as secret for cookie-based sessions (DO NOT USE THIS ONE IN PRODUCTION)
+SESSION_KEY="67d829bf61dc5f87a73fd814e2c9f629"
+`
+
+const configString = `
+{
+    "addr": "127.0.0.1:8080",
+    "archive": {
+        "kind": "file",
+        "path": "./var/job-archive"
+    },
+    "jwts": {
+        "max-age": "2000h"
+    },
+    "clusters": [
+        {
+            "name": "name",
+            "metricDataRepository": {
+                "kind": "cc-metric-store",
+                "url": "http://localhost:8082",
+                "token": ""
+            },
+            "filterRanges": {
+                "numNodes": {
+                    "from": 1,
+                    "to": 64
+                },
+                "duration": {
+                    "from": 0,
+                    "to": 86400
+                },
+                "startTime": {
+                    "from": "2023-01-01T00:00:00Z",
+                    "to": null
+                }
+            }
+        }
+    ]
+}
+`
+
+func initEnv() {
+	if util.CheckFileExists("var") {
+		fmt.Print("Directory ./var already exists. Exiting!\n")
+		os.Exit(0)
+	}
+
+	if err := os.WriteFile("config.json", []byte(configString), 0o666); err != nil {
+		log.Fatalf("Writing config.json failed: %s", err.Error())
+	}
+
+	if err := os.WriteFile(".env", []byte(envString), 0o666); err != nil {
+		log.Fatalf("Writing .env failed: %s", err.Error())
+	}
+
+	if err := os.Mkdir("var", 0o777); err != nil {
+		log.Fatalf("Mkdir var failed: %s", err.Error())
+	}
+
+	err := repository.MigrateDB("sqlite3", "./var/job.db")
+	if err != nil {
+		log.Fatalf("Initialize job.db failed: %s", err.Error())
+	}
+}