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fixing logging, disable non-linux relays, reset dns on error

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This commit is contained in:
afeiszli 2022-02-07 14:04:07 -05:00
parent 405641825e
commit ea7cb6f39e
3 changed files with 13 additions and 14 deletions
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5
logic/relay.go
View file

@ -3,6 +3,7 @@ package logic
import (
"encoding/json"
"errors"
"fmt"
"time"
"github.com/gravitl/netmaker/database"
@ -18,7 +19,9 @@ func CreateRelay(relay models.RelayRequest) ([]models.Node, models.Node, error)
if err != nil {
return returnnodes, models.Node{}, err
}
if node.OS != "linux" {
return returnnodes, models.Node{}, fmt.Errorf("only linux machines can be relay nodes")
}
err = ValidateRelay(relay)
if err != nil {
return returnnodes, models.Node{}, err

6
netclient/local/dns.go
View file

@ -29,13 +29,17 @@ func SetDNSWithRetry(node models.Node, address string) bool {
return true
} else if err := UpdateDNS(node.Interface, node.Network, address); err != nil {
ncutils.Log("error applying dns" + err.Error())
return false
} else if IsDNSWorking(node.Network, address) {
return true
}
resetDNS()
return false
}
func resetDNS() {
ncutils.RunCmd("systemctl restart systemd-resolved", true)
}
// SetDNS - sets the DNS of a local machine
func SetDNS(nameserver string) error {
bytes, err := os.ReadFile("/etc/resolv.conf")

16
netclient/wireguard/common.go
View file

@ -63,7 +63,7 @@ func SetPeers(iface, currentNodeAddr string, keepalive int32, peers []wgtypes.Pe
if !found {
_, err := ncutils.RunCmd("wg set "+iface+" peer "+currentPeer.PublicKey.String()+" remove", true)
if err != nil {
log.Println("error removing peer", currentPeer.Endpoint.String())
ncutils.PrintLog("error removing peer: "+currentPeer.Endpoint.String(), 1)
}
}
}
@ -116,7 +116,7 @@ func SetPeers(iface, currentNodeAddr string, keepalive int32, peers []wgtypes.Pe
" allowed-ips "+allowedips, true)
}
if err != nil {
log.Println("error setting peer", peer.PublicKey.String())
ncutils.PrintLog("error setting peer: "+peer.PublicKey.String(), 1)
}
}
}
@ -153,17 +153,16 @@ func InitWireguard(node *models.Node, privkey string, peers []wgtypes.PeerConfig
if err != nil {
log.Fatalf("failed to open client: %v", err)
}
log.Println("-2")
var ifacename string
if nodecfg.Interface != "" {
ifacename = nodecfg.Interface
} else if node.Interface != "" {
ifacename = node.Interface
} else {
log.Fatal("no interface to configure")
return fmt.Errorf("no interface to configure")
}
if node.Address == "" {
log.Fatal("no address to configure")
return fmt.Errorf("no address to configure")
}
if node.UDPHolePunch == "yes" {
node.ListenPort = 0
@ -172,7 +171,6 @@ func InitWireguard(node *models.Node, privkey string, peers []wgtypes.PeerConfig
ncutils.PrintLog("error writing wg conf file: "+err.Error(), 1)
return err
}
log.Println("-1")
// spin up userspace / windows interface + apply the conf file
confPath := ncutils.GetNetclientPathSpecific() + ifacename + ".conf"
var deviceiface = ifacename
@ -182,12 +180,9 @@ func InitWireguard(node *models.Node, privkey string, peers []wgtypes.PeerConfig
deviceiface = ifacename
}
}
log.Println("0")
// ensure you clear any existing interface first
d, _ := wgclient.Device(deviceiface)
for d != nil && d.Name == deviceiface {
log.Println("d==", d.Name)
log.Println("deviceiface==", deviceiface)
err = RemoveConf(deviceiface, false) // remove interface first
if strings.Contains(err.Error(), "does not exist") {
err = nil
@ -196,14 +191,12 @@ func InitWireguard(node *models.Node, privkey string, peers []wgtypes.PeerConfig
time.Sleep(time.Second >> 2)
d, _ = wgclient.Device(deviceiface)
}
log.Println("1")
ApplyConf(node, deviceiface, confPath) // Apply initially
ncutils.PrintLog("waiting for interface...", 1) // ensure interface is created
output, _ := ncutils.RunCmd("wg", false)
starttime := time.Now()
ifaceReady := strings.Contains(output, deviceiface)
for !ifaceReady && !(time.Now().After(starttime.Add(time.Second << 4))) {
log.Println("2")
if ncutils.IsMac() { // if node is Mac (Darwin) get the tunnel name first
deviceiface, err = local.GetMacIface(node.Address)
if err != nil || deviceiface == "" {
@ -215,7 +208,6 @@ func InitWireguard(node *models.Node, privkey string, peers []wgtypes.PeerConfig
time.Sleep(time.Second)
ifaceReady = strings.Contains(output, deviceiface)
}
log.Println("3")
//wgclient does not work well on freebsd
if node.OS == "freebsd" {
if !ifaceReady {