unistack-org/cloudinit
4
0
Fork 0
Code Issues 1 Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #190 from crawford/logs

Browse Source 
Logs
This commit is contained in:
Alex Crawford
2014-07-21 12:22:41 -07:00
parent ff9cf5743d 21e32e44f8
commit 08d4842502
1 changed files with 13 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
system/networkd.go
View File

@@ -2,11 +2,9 @@ package system
import (
"fmt"
"io/ioutil"
"log"
"net"
"os"
"os/exec"
"path"
"strings"
"time"
@@ -46,9 +44,8 @@ func downNetworkInterfaces(interfaces []network.InterfaceGenerator) error {
sysInterfaceMap := make(map[string]*net.Interface)
if systemInterfaces, err := net.Interfaces(); err == nil {
for _, iface := range systemInterfaces {
// Need a copy of the interface so we can take the address
temp := iface
sysInterfaceMap[temp.Name] = &temp
iface := iface
sysInterfaceMap[iface.Name] = &iface
}
} else {
return err
@@ -56,6 +53,7 @@ func downNetworkInterfaces(interfaces []network.InterfaceGenerator) error {
for _, iface := range interfaces {
if systemInterface, ok := sysInterfaceMap[iface.Name()]; ok {
log.Printf("Taking down interface %q\n", systemInterface.Name)
if err := netlink.NetworkLinkDown(systemInterface); err != nil {
fmt.Printf("Error while downing interface %q (%s). Continuing...\n", systemInterface.Name, err)
}
@@ -68,6 +66,7 @@ func downNetworkInterfaces(interfaces []network.InterfaceGenerator) error {
func maybeProbe8012q(interfaces []network.InterfaceGenerator) error {
for _, iface := range interfaces {
if iface.Type() == "vlan" {
log.Printf("Probing LKM %q (%q)\n", "8021q", "8021q")
return exec.Command("modprobe", "8021q").Run()
}
}
@@ -82,25 +81,27 @@ func maybeProbeBonding(interfaces []network.InterfaceGenerator) error {
break
}
}
log.Printf("Probing LKM %q (%q)\n", "bonding", args)
return exec.Command("modprobe", args...).Run()
}
func restartNetworkd() error {
log.Printf("Restarting networkd.service\n")
_, err := NewUnitManager("").RunUnitCommand("restart", "systemd-networkd.service")
return err
}
func WriteNetworkdConfigs(interfaces []network.InterfaceGenerator) error {
for _, iface := range interfaces {
filename := path.Join(runtimeNetworkPath, fmt.Sprintf("%s.netdev", iface.Filename()))
filename := fmt.Sprintf("%s.netdev", iface.Filename())
if err := writeConfig(filename, iface.Netdev()); err != nil {
return err
}
filename = path.Join(runtimeNetworkPath, fmt.Sprintf("%s.link", iface.Filename()))
filename = fmt.Sprintf("%s.link", iface.Filename())
if err := writeConfig(filename, iface.Link()); err != nil {
return err
}
filename = path.Join(runtimeNetworkPath, fmt.Sprintf("%s.network", iface.Filename()))
filename = fmt.Sprintf("%s.network", iface.Filename())
if err := writeConfig(filename, iface.Network()); err != nil {
return err
}
@@ -112,8 +113,7 @@ func writeConfig(filename string, config string) error {
if config == "" {
return nil
}
if err := os.MkdirAll(path.Dir(filename), 0755); err != nil {
return err
}
return ioutil.WriteFile(filename, []byte(config), 0444)
log.Printf("Writing networkd unit %q\n", filename)
_, err := WriteFile(&File{Content: config, Path: filename}, runtimeNetworkPath)
return err
}