Files
cc-backend/cmd/cc-backend/init.go
2025-12-12 14:51:01 +01:00

110 lines
3.2 KiB
Go

// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
// All rights reserved. This file is part of cc-backend.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
// Package main provides the entry point for the ClusterCockpit backend server.
// This file contains bootstrap logic for initializing the environment,
// creating default configuration files, and setting up the database.
package main
import (
"os"
"github.com/ClusterCockpit/cc-backend/internal/repository"
cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
"github.com/ClusterCockpit/cc-lib/util"
)
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 = `
{
"main": {
"addr": "127.0.0.1:8080",
"short-running-jobs-duration": 300,
"resampling": {
"minimumPoints": 600,
"trigger": 180,
"resolutions": [
240,
60
]
},
"apiAllowedIPs": [
"*"
],
"emission-constant": 317
},
"cron": {
"commit-job-worker": "2m",
"duration-worker": "5m",
"footprint-worker": "10m"
},
"archive": {
"kind": "file",
"path": "./var/job-archive"
},
"auth": {
"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") {
cclog.Exit("Directory ./var already exists. Cautiously exiting application initialization.")
}
if err := os.WriteFile("config.json", []byte(configString), 0o666); err != nil {
cclog.Abortf("Could not write default ./config.json with permissions '0o666'. Application initialization failed, exited.\nError: %s\n", err.Error())
}
if err := os.WriteFile(".env", []byte(envString), 0o666); err != nil {
cclog.Abortf("Could not write default ./.env file with permissions '0o666'. Application initialization failed, exited.\nError: %s\n", err.Error())
}
if err := os.Mkdir("var", 0o777); err != nil {
cclog.Abortf("Could not create default ./var folder with permissions '0o777'. Application initialization failed, exited.\nError: %s\n", err.Error())
}
err := repository.MigrateDB("sqlite3", "./var/job.db")
if err != nil {
cclog.Abortf("Could not initialize default sqlite3 database as './var/job.db'. Application initialization failed, exited.\nError: %s\n", err.Error())
}
}