mirror of
https://github.com/gravitl/netmaker.git
synced 2024-11-14 13:44:37 +08:00
332 lines
9.6 KiB
Go
332 lines
9.6 KiB
Go
package config
|
|
|
|
import (
|
|
//"github.com/davecgh/go-spew/spew"
|
|
"encoding/base64"
|
|
"encoding/json"
|
|
"errors"
|
|
"fmt"
|
|
"log"
|
|
"os"
|
|
|
|
"github.com/gravitl/netmaker/models"
|
|
"github.com/gravitl/netmaker/netclient/ncutils"
|
|
"github.com/urfave/cli/v2"
|
|
"gopkg.in/yaml.v3"
|
|
)
|
|
|
|
// GlobalConfig - struct for handling IntClients currently
|
|
type GlobalConfig struct {
|
|
GRPCWireGuard string `yaml:"grpcwg"`
|
|
Client models.IntClient
|
|
}
|
|
|
|
// ClientConfig - struct for dealing with client configuration
|
|
type ClientConfig struct {
|
|
Server ServerConfig `yaml:"server"`
|
|
Node models.Node `yaml:"node"`
|
|
NetworkSettings models.Network `yaml:"networksettings"`
|
|
Network string `yaml:"network"`
|
|
Daemon string `yaml:"daemon"`
|
|
OperatingSystem string `yaml:"operatingsystem"`
|
|
DebugJoin bool `yaml:"debugjoin"`
|
|
}
|
|
|
|
// ServerConfig - struct for dealing with the server information for a netclient
|
|
type ServerConfig struct {
|
|
CoreDNSAddr string `yaml:"corednsaddr"`
|
|
GRPCAddress string `yaml:"grpcaddress"`
|
|
APIAddress string `yaml:"apiaddress"`
|
|
AccessKey string `yaml:"accesskey"`
|
|
GRPCSSL string `yaml:"grpcssl"`
|
|
GRPCWireGuard string `yaml:"grpcwg"`
|
|
CheckinInterval string `yaml:"checkininterval"`
|
|
}
|
|
|
|
// Write - writes the config of a client to disk
|
|
func Write(config *ClientConfig, network string) error {
|
|
if network == "" {
|
|
err := errors.New("no network provided - exiting")
|
|
return err
|
|
}
|
|
_, err := os.Stat(ncutils.GetNetclientPath() + "/config")
|
|
if os.IsNotExist(err) {
|
|
os.MkdirAll(ncutils.GetNetclientPath()+"/config", 0744)
|
|
} else if err != nil {
|
|
return err
|
|
}
|
|
home := ncutils.GetNetclientPathSpecific()
|
|
|
|
file := fmt.Sprintf(home + "netconfig-" + network)
|
|
f, err := os.OpenFile(file, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, os.ModePerm)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer f.Close()
|
|
|
|
err = yaml.NewEncoder(f).Encode(config)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return err
|
|
}
|
|
|
|
// ClientConfig.ReadConfig - used to read config from client disk into memory
|
|
func (config *ClientConfig) ReadConfig() {
|
|
|
|
nofile := false
|
|
//home, err := homedir.Dir()
|
|
home := ncutils.GetNetclientPathSpecific()
|
|
file := fmt.Sprintf(home + "netconfig-" + config.Network)
|
|
//f, err := os.Open(file)
|
|
f, err := os.OpenFile(file, os.O_RDONLY, 0666)
|
|
if err != nil {
|
|
fmt.Println("trouble opening file")
|
|
fmt.Println(err)
|
|
nofile = true
|
|
//fmt.Println("Could not access " + home + "/.netconfig, proceeding...")
|
|
}
|
|
defer f.Close()
|
|
|
|
//var cfg ClientConfig
|
|
|
|
if !nofile {
|
|
decoder := yaml.NewDecoder(f)
|
|
err = decoder.Decode(&config)
|
|
if err != nil {
|
|
fmt.Println("no config or invalid")
|
|
fmt.Println(err)
|
|
log.Fatal(err)
|
|
}
|
|
}
|
|
}
|
|
|
|
// ModConfig - overwrites the node inside client config on disk
|
|
func ModConfig(node *models.Node) error {
|
|
network := node.Network
|
|
if network == "" {
|
|
return errors.New("no network provided")
|
|
}
|
|
var modconfig ClientConfig
|
|
var err error
|
|
if FileExists(ncutils.GetNetclientPathSpecific() + "netconfig-" + network) {
|
|
useconfig, err := ReadConfig(network)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
modconfig = *useconfig
|
|
}
|
|
|
|
modconfig.Node = (*node)
|
|
modconfig.NetworkSettings = node.NetworkSettings
|
|
err = Write(&modconfig, network)
|
|
return err
|
|
}
|
|
|
|
// ModConfig - overwrites the node inside client config on disk
|
|
func SaveBackup(network string) error {
|
|
|
|
var configPath = ncutils.GetNetclientPathSpecific() + "netconfig-" + network
|
|
var backupPath = ncutils.GetNetclientPathSpecific() + "backup.netconfig-" + network
|
|
if FileExists(configPath) {
|
|
input, err := os.ReadFile(configPath)
|
|
if err != nil {
|
|
ncutils.Log("failed to read " + configPath + " to make a backup")
|
|
return err
|
|
}
|
|
if err = os.WriteFile(backupPath, input, 0644); err != nil {
|
|
ncutils.Log("failed to copy backup to " + backupPath)
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// ReplaceWithBackup - replaces netconfig file with backup
|
|
func ReplaceWithBackup(network string) error {
|
|
var backupPath = ncutils.GetNetclientPathSpecific() + "backup.netconfig-" + network
|
|
var configPath = ncutils.GetNetclientPathSpecific() + "netconfig-" + network
|
|
if FileExists(backupPath) {
|
|
input, err := os.ReadFile(backupPath)
|
|
if err != nil {
|
|
ncutils.Log("failed to read file " + backupPath + " to backup network: " + network)
|
|
return err
|
|
}
|
|
if err = os.WriteFile(configPath, input, 0644); err != nil {
|
|
ncutils.Log("failed backup " + backupPath + " to " + configPath)
|
|
return err
|
|
}
|
|
}
|
|
ncutils.Log("used backup file for network: " + network)
|
|
return nil
|
|
}
|
|
|
|
// GetCLIConfig - gets the cli flags as a config
|
|
func GetCLIConfig(c *cli.Context) (ClientConfig, string, error) {
|
|
var cfg ClientConfig
|
|
if c.String("token") != "" {
|
|
tokenbytes, err := base64.StdEncoding.DecodeString(c.String("token"))
|
|
if err != nil {
|
|
log.Println("error decoding token")
|
|
return cfg, "", err
|
|
}
|
|
var accesstoken models.AccessToken
|
|
if err := json.Unmarshal(tokenbytes, &accesstoken); err != nil {
|
|
log.Println("error converting token json to object", tokenbytes)
|
|
return cfg, "", err
|
|
}
|
|
|
|
if accesstoken.ServerConfig.APIConnString != "" {
|
|
cfg.Server.APIAddress = accesstoken.ServerConfig.APIConnString
|
|
} else {
|
|
cfg.Server.APIAddress = accesstoken.ServerConfig.APIHost
|
|
if accesstoken.ServerConfig.APIPort != "" {
|
|
cfg.Server.APIAddress = cfg.Server.APIAddress + ":" + accesstoken.ServerConfig.APIPort
|
|
}
|
|
}
|
|
if accesstoken.ServerConfig.GRPCConnString != "" {
|
|
cfg.Server.GRPCAddress = accesstoken.ServerConfig.GRPCConnString
|
|
} else {
|
|
cfg.Server.GRPCAddress = accesstoken.ServerConfig.GRPCHost
|
|
if accesstoken.ServerConfig.GRPCPort != "" {
|
|
cfg.Server.GRPCAddress = cfg.Server.GRPCAddress + ":" + accesstoken.ServerConfig.GRPCPort
|
|
}
|
|
}
|
|
|
|
cfg.Network = accesstoken.ClientConfig.Network
|
|
cfg.Node.Network = accesstoken.ClientConfig.Network
|
|
cfg.Server.AccessKey = accesstoken.ClientConfig.Key
|
|
cfg.Node.LocalRange = accesstoken.ClientConfig.LocalRange
|
|
cfg.Server.GRPCSSL = accesstoken.ServerConfig.GRPCSSL
|
|
cfg.Server.CheckinInterval = accesstoken.ServerConfig.CheckinInterval
|
|
cfg.Server.GRPCWireGuard = accesstoken.WG.GRPCWireGuard
|
|
cfg.Server.CoreDNSAddr = accesstoken.ServerConfig.CoreDNSAddr
|
|
if c.String("grpcserver") != "" {
|
|
cfg.Server.GRPCAddress = c.String("grpcserver")
|
|
}
|
|
if c.String("apiserver") != "" {
|
|
cfg.Server.APIAddress = c.String("apiserver")
|
|
}
|
|
if c.String("key") != "" {
|
|
cfg.Server.AccessKey = c.String("key")
|
|
}
|
|
if c.String("network") != "all" {
|
|
cfg.Network = c.String("network")
|
|
cfg.Node.Network = c.String("network")
|
|
}
|
|
if c.String("localrange") != "" {
|
|
cfg.Node.LocalRange = c.String("localrange")
|
|
}
|
|
if c.String("grpcssl") != "" {
|
|
cfg.Server.GRPCSSL = c.String("grpcssl")
|
|
}
|
|
if c.String("corednsaddr") != "" {
|
|
cfg.Server.CoreDNSAddr = c.String("corednsaddr")
|
|
}
|
|
if c.String("grpcwg") != "" {
|
|
cfg.Server.GRPCWireGuard = c.String("grpcwg")
|
|
}
|
|
if c.String("checkininterval") != "" {
|
|
cfg.Server.CheckinInterval = c.String("checkininterval")
|
|
}
|
|
|
|
} else {
|
|
cfg.Server.GRPCAddress = c.String("grpcserver")
|
|
cfg.Server.APIAddress = c.String("apiserver")
|
|
cfg.Server.AccessKey = c.String("key")
|
|
cfg.Network = c.String("network")
|
|
cfg.Node.Network = c.String("network")
|
|
cfg.Node.LocalRange = c.String("localrange")
|
|
cfg.Server.GRPCWireGuard = c.String("grpcwg")
|
|
cfg.Server.GRPCSSL = c.String("grpcssl")
|
|
cfg.Server.CoreDNSAddr = c.String("corednsaddr")
|
|
cfg.Server.CheckinInterval = c.String("checkininterval")
|
|
}
|
|
cfg.Node.Name = c.String("name")
|
|
cfg.Node.Interface = c.String("interface")
|
|
cfg.Node.Password = c.String("password")
|
|
cfg.Node.MacAddress = c.String("macaddress")
|
|
cfg.Node.LocalAddress = c.String("localaddress")
|
|
cfg.Node.Address = c.String("address")
|
|
cfg.Node.Address6 = c.String("addressIPV6")
|
|
cfg.Node.Roaming = c.String("roaming")
|
|
cfg.Node.DNSOn = c.String("dnson")
|
|
cfg.Node.IsLocal = c.String("islocal")
|
|
cfg.Node.IsStatic = c.String("isstatic")
|
|
cfg.Node.IsDualStack = c.String("isdualstack")
|
|
cfg.Node.PostUp = c.String("postup")
|
|
cfg.Node.PostDown = c.String("postdown")
|
|
cfg.Node.ListenPort = int32(c.Int("port"))
|
|
cfg.Node.PersistentKeepalive = int32(c.Int("keepalive"))
|
|
cfg.Node.PublicKey = c.String("publickey")
|
|
privateKey := c.String("privatekey")
|
|
cfg.Node.Endpoint = c.String("endpoint")
|
|
cfg.Node.IPForwarding = c.String("ipforwarding")
|
|
cfg.OperatingSystem = c.String("operatingsystem")
|
|
cfg.Daemon = c.String("daemon")
|
|
cfg.Node.UDPHolePunch = c.String("udpholepunch")
|
|
cfg.Node.MTU = int32(c.Int("mtu"))
|
|
|
|
if cfg.Server.CheckinInterval == "" {
|
|
cfg.Server.CheckinInterval = "15"
|
|
}
|
|
|
|
return cfg, privateKey, nil
|
|
}
|
|
|
|
// ReadConfig - reads a config of a client from disk for specified network
|
|
func ReadConfig(network string) (*ClientConfig, error) {
|
|
if network == "" {
|
|
err := errors.New("no network provided - exiting")
|
|
return nil, err
|
|
}
|
|
nofile := false
|
|
home := ncutils.GetNetclientPathSpecific()
|
|
file := fmt.Sprintf(home + "netconfig-" + network)
|
|
f, err := os.Open(file)
|
|
|
|
if err != nil {
|
|
if err = ReplaceWithBackup(network); err != nil {
|
|
nofile = true
|
|
}
|
|
f, err = os.Open(file)
|
|
if err != nil {
|
|
nofile = true
|
|
}
|
|
}
|
|
defer f.Close()
|
|
|
|
var cfg ClientConfig
|
|
|
|
if !nofile {
|
|
decoder := yaml.NewDecoder(f)
|
|
err = decoder.Decode(&cfg)
|
|
if err != nil {
|
|
fmt.Println("trouble decoding file")
|
|
return nil, err
|
|
}
|
|
}
|
|
return &cfg, err
|
|
}
|
|
|
|
// FileExists - checks if a file exists on disk
|
|
func FileExists(f string) bool {
|
|
info, err := os.Stat(f)
|
|
if os.IsNotExist(err) {
|
|
return false
|
|
}
|
|
return !info.IsDir()
|
|
}
|
|
|
|
// GetNode - parses a network specified client config for node data
|
|
func GetNode(network string) models.Node {
|
|
|
|
modcfg, err := ReadConfig(network)
|
|
if err != nil {
|
|
log.Fatalf("Error: %v", err)
|
|
}
|
|
var node models.Node
|
|
node.Fill(&modcfg.Node)
|
|
|
|
return node
|
|
}
|