netmaker/netclient/functions/register.go
2021-06-02 11:00:10 -04:00

100 lines
3.1 KiB
Go

package functions
import (
"time"
"os"
"log"
"io/ioutil"
"bytes"
"github.com/gravitl/netmaker/netclient/config"
"github.com/gravitl/netmaker/netclient/local"
"github.com/gravitl/netmaker/netclient/wireguard"
"github.com/gravitl/netmaker/models"
"encoding/json"
"net/http"
"errors"
// "github.com/davecgh/go-spew/spew"
)
func Register(cfg config.GlobalConfig) error {
_, err := os.Stat("/etc/netclient")
if os.IsNotExist(err) {
os.Mkdir("/etc/netclient", 744)
} else if err != nil {
log.Println("couldnt find or create /etc/netclient")
return err
}
postclient := &models.IntClient{
AccessKey: cfg.Client.AccessKey,
PublicKey: cfg.Client.PublicKey,
PrivateKey: cfg.Client.PublicKey,
Address: cfg.Client.Address,
Address6: cfg.Client.Address6,
Network: "comms",
}
jsonstring, err := json.Marshal(postclient)
if err != nil {
return err
}
jsonbytes := []byte(jsonstring)
body := bytes.NewBuffer(jsonbytes)
publicaddress := cfg.Client.ServerPublicEndpoint + ":" + cfg.Client.ServerAPIPort
res, err := http.Post("http://"+publicaddress+"/api/intclient/register","application/json",body)
if err != nil {
log.Println("Failed to register to http://"+publicaddress+"/api/client/register")
return err
}
if res.StatusCode != http.StatusOK {
log.Println("Failed to register to http://"+publicaddress+"/api/client/register")
return errors.New("request to server failed: " + res.Status)
}
bodyBytes, err := ioutil.ReadAll(res.Body)
//bodyString := string(bodyBytes)
//spew.Dump(bodyString)
if err != nil {
return err
}
var wgclient models.IntClient
json.Unmarshal(bodyBytes, &wgclient)
//spew.Dump(wgclient)
err = config.ModGlobalConfig(wgclient)
if err != nil {
return err
}
//spew.Dump(wgclient)
err = wireguard.InitGRPCWireguard(wgclient)
if err != nil {
return err
}
log.Println("registered netclient to " + cfg.Client.ServerPrivateAddress)
return err
}
func Unregister(cfg config.GlobalConfig) error {
client := &http.Client{ Timeout: 7 * time.Second,}
publicaddress := cfg.Client.ServerPublicEndpoint + ":" + cfg.Client.ServerAPIPort
log.Println("sending delete request to: " + "http://"+publicaddress+"/api/intclient/"+cfg.Client.ClientID)
req, err := http.NewRequest("DELETE", "http://"+publicaddress+"/api/intclient/"+cfg.Client.ClientID, nil)
if err != nil {
log.Println(err)
} else {
res, err := client.Do(req)
if res == nil {
err = errors.New("server not reachable at " + "http://"+publicaddress+"/api/intclient/"+cfg.Client.ClientID)
log.Println(err)
} else if res.StatusCode != http.StatusOK {
err = errors.New("request to server failed: " + res.Status)
log.Println(err)
defer res.Body.Close()
}
}
err = local.WipeGRPCClient()
if err == nil {
log.Println("successfully removed grpc client interface")
}
return err
}