personal_interest_mirrors/nebula
1
0
Fork 0
mirror of https://github.com/slackhq/nebula.git synced 2025-11-22 08:24:25 +01:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

add gvisor based service library (#965)

Browse Source 
* add service/ library
This commit is contained in:
Tristan Rice
2023-11-21 08:50:18 -08:00
committed by GitHub
parent fe16ea566d
commit 1083279a45
13 changed files with 812 additions and 147 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
overlay/tun.go
View File

@@ -10,7 +10,9 @@ import (
const DefaultMTU = 1300
func NewDeviceFromConfig(c *config.C, l *logrus.Logger, tunCidr *net.IPNet, fd *int, routines int) (Device, error) {
type DeviceFactory func(c *config.C, l *logrus.Logger, tunCidr *net.IPNet, routines int) (Device, error)
func NewDeviceFromConfig(c *config.C, l *logrus.Logger, tunCidr *net.IPNet, routines int) (Device, error) {
routes, err := parseRoutes(c, tunCidr)
if err != nil {
return nil, util.NewContextualError("Could not parse tun.routes", nil, err)
@@ -27,17 +29,6 @@ func NewDeviceFromConfig(c *config.C, l *logrus.Logger, tunCidr *net.IPNet, fd *
tun := newDisabledTun(tunCidr, c.GetInt("tun.tx_queue", 500), c.GetBool("stats.message_metrics", false), l)
return tun, nil
case fd != nil:
return newTunFromFd(
l,
*fd,
tunCidr,
c.GetInt("tun.mtu", DefaultMTU),
routes,
c.GetInt("tun.tx_queue", 500),
c.GetBool("tun.use_system_route_table", false),
)
default:
return newTun(
l,
@@ -51,3 +42,28 @@ func NewDeviceFromConfig(c *config.C, l *logrus.Logger, tunCidr *net.IPNet, fd *
)
}
}
func NewFdDeviceFromConfig(fd *int) DeviceFactory {
return func(c *config.C, l *logrus.Logger, tunCidr *net.IPNet, routines int) (Device, error) {
routes, err := parseRoutes(c, tunCidr)
if err != nil {
return nil, util.NewContextualError("Could not parse tun.routes", nil, err)
}
unsafeRoutes, err := parseUnsafeRoutes(c, tunCidr)
if err != nil {
return nil, util.NewContextualError("Could not parse tun.unsafe_routes", nil, err)
}
routes = append(routes, unsafeRoutes...)
return newTunFromFd(
l,
*fd,
tunCidr,
c.GetInt("tun.mtu", DefaultMTU),
routes,
c.GetInt("tun.tx_queue", 500),
c.GetBool("tun.use_system_route_table", false),
)
}
}