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81 lines
1.6 KiB
81 lines
1.6 KiB
package main
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import (
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"fmt"
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"log"
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"net"
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"github.com/milosgajdos83/tenus"
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)
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func main() {
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// CREATE BRIDGE AND BRING IT UP
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br, err := tenus.NewBridgeWithName("vethbridge")
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if err != nil {
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log.Fatal(err)
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}
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brIp, brIpNet, err := net.ParseCIDR("10.0.41.1/16")
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if err != nil {
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log.Fatal(err)
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}
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if err := br.SetLinkIp(brIp, brIpNet); err != nil {
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fmt.Println(err)
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}
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if err = br.SetLinkUp(); err != nil {
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fmt.Println(err)
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}
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// CREATE VETH PAIR
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veth, err := tenus.NewVethPairWithOptions("myveth01", tenus.VethOptions{PeerName: "myveth02"})
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if err != nil {
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log.Fatal(err)
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}
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// ASSIGN IP ADDRESS TO THE HOST VETH INTERFACE
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vethHostIp, vethHostIpNet, err := net.ParseCIDR("10.0.41.2/16")
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if err != nil {
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log.Fatal(err)
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}
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if err := veth.SetLinkIp(vethHostIp, vethHostIpNet); err != nil {
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fmt.Println(err)
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}
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// ADD MYVETH01 INTERFACE TO THE MYBRIDGE BRIDGE
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myveth01, err := net.InterfaceByName("myveth01")
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if err != nil {
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log.Fatal(err)
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}
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if err = br.AddSlaveIfc(myveth01); err != nil {
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fmt.Println(err)
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}
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if err = veth.SetLinkUp(); err != nil {
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fmt.Println(err)
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}
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// PASS VETH PEER INTERFACE TO A RUNNING DOCKER BY PID
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pid, err := tenus.DockerPidByName("vethdckr", "/var/run/docker.sock")
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if err != nil {
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fmt.Println(err)
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}
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if err := veth.SetPeerLinkNsPid(pid); err != nil {
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log.Fatal(err)
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}
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// ALLOCATE AND SET IP FOR THE NEW DOCKER INTERFACE
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vethGuestIp, vethGuestIpNet, err := net.ParseCIDR("10.0.41.5/16")
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if err != nil {
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log.Fatal(err)
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}
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if err := veth.SetPeerLinkNetInNs(pid, vethGuestIp, vethGuestIpNet, nil); err != nil {
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log.Fatal(err)
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}
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}
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