package main
import (
- "encoding/json"
"fmt"
+ "os"
+ "os/exec"
+ "os/signal"
+ "strings"
+ "syscall"
+ "time"
+
"github.com/edwarnicke/exechelper"
"go.fd.io/govpp"
interfaces "go.fd.io/govpp/binapi/interface"
"go.fd.io/govpp/binapi/interface_types"
"go.fd.io/govpp/binapi/session"
+ "go.fd.io/govpp/binapi/tapv2"
"go.fd.io/govpp/binapi/vpe"
"go.fd.io/govpp/core"
)
const vppConfigTemplate = `unix {
nodaemon
- log %[1]s/var/log/vpp/vpp.log
+ log %[1]s%[4]s
full-coredump
cli-listen %[1]s%[2]s
runtime-dir %[1]s/var/run
}
socksvr {
- socket-name %[1]s/var/run/vpp/api.sock
+ socket-name %[1]s%[3]s
}
statseg {
plugin http_plugin.so { enable }
}
+logging {
+ default-log-level debug
+ default-syslog-log-level debug
+}
+
`
const (
defaultCliSocketFilePath = "/var/run/vpp/cli.sock"
defaultApiSocketFilePath = "/var/run/vpp/api.sock"
+ defaultLogFilePath = "/var/log/vpp/vpp.log"
)
type VppInstance struct {
- container *Container
- config *VppConfig
- actionFuncName string
- connection *core.Connection
- apiChannel api.Channel
-}
-
-type VppConfig struct {
- Variant string
- CliSocketFilePath string
- additionalConfig Stanza
-}
-
-func (vc *VppConfig) getTemplate() string {
- return fmt.Sprintf(vppConfigTemplate, "%[1]s", vc.CliSocketFilePath)
-}
-
-func (vpp *VppInstance) set2VethsServer() {
- vpp.actionFuncName = "Configure2Veths"
- vpp.config.Variant = "srv"
+ container *Container
+ additionalConfig []Stanza
+ connection *core.Connection
+ apiChannel api.Channel
+ cpus []int
}
-func (vpp *VppInstance) set2VethsClient() {
- vpp.actionFuncName = "Configure2Veths"
- vpp.config.Variant = "cln"
-}
-
-func (vpp *VppInstance) setVppProxy() {
- vpp.actionFuncName = "ConfigureVppProxy"
-}
-
-func (vpp *VppInstance) setEnvoyProxy() {
- vpp.actionFuncName = "ConfigureEnvoyProxy"
-}
-
-func (vpp *VppInstance) setCliSocket(filePath string) {
- vpp.config.CliSocketFilePath = filePath
+func (vpp *VppInstance) getSuite() *HstSuite {
+ return vpp.container.suite
}
func (vpp *VppInstance) getCliSocket() string {
- return fmt.Sprintf("%s%s", vpp.container.GetContainerWorkDir(), vpp.config.CliSocketFilePath)
+ return fmt.Sprintf("%s%s", vpp.container.getContainerWorkDir(), defaultCliSocketFilePath)
}
func (vpp *VppInstance) getRunDir() string {
- return vpp.container.GetContainerWorkDir() + "/var/run/vpp"
+ return vpp.container.getContainerWorkDir() + "/var/run/vpp"
}
func (vpp *VppInstance) getLogDir() string {
- return vpp.container.GetContainerWorkDir() + "/var/log/vpp"
+ return vpp.container.getContainerWorkDir() + "/var/log/vpp"
}
func (vpp *VppInstance) getEtcDir() string {
- return vpp.container.GetContainerWorkDir() + "/etc/vpp"
-}
-
-func (vpp *VppInstance) legacyStart() error {
- if vpp.actionFuncName == "" {
- return fmt.Errorf("vpp start failed: action function name must not be blank")
- }
-
- serializedConfig, err := serializeVppConfig(vpp.config)
- if err != nil {
- return fmt.Errorf("serialize vpp config: %v", err)
- }
- args := fmt.Sprintf("%s '%s'", vpp.actionFuncName, serializedConfig)
- _, err = vpp.container.execAction(args)
- if err != nil {
- return fmt.Errorf("vpp start failed: %s", err)
- }
- return nil
+ return vpp.container.getContainerWorkDir() + "/etc/vpp"
}
func (vpp *VppInstance) start() error {
- if vpp.actionFuncName != "" {
- return vpp.legacyStart()
- }
-
// Create folders
- containerWorkDir := vpp.container.GetContainerWorkDir()
+ containerWorkDir := vpp.container.getContainerWorkDir()
vpp.container.exec("mkdir --mode=0700 -p " + vpp.getRunDir())
vpp.container.exec("mkdir --mode=0700 -p " + vpp.getLogDir())
vpp.container.exec("mkdir --mode=0700 -p " + vpp.getEtcDir())
// Create startup.conf inside the container
- configContent := fmt.Sprintf(vppConfigTemplate, containerWorkDir, vpp.config.CliSocketFilePath)
- configContent += vpp.config.additionalConfig.ToString()
+ configContent := fmt.Sprintf(
+ vppConfigTemplate,
+ containerWorkDir,
+ defaultCliSocketFilePath,
+ defaultApiSocketFilePath,
+ defaultLogFilePath,
+ )
+ configContent += vpp.generateCpuConfig()
+ for _, c := range vpp.additionalConfig {
+ configContent += c.toString()
+ }
startupFileName := vpp.getEtcDir() + "/startup.conf"
vpp.container.createFile(startupFileName, configContent)
- // Start VPP
- if err := vpp.container.execServer("vpp -c " + startupFileName); err != nil {
- return err
+ // create wrapper script for vppctl with proper CLI socket path
+ cliContent := "#!/usr/bin/bash\nvppctl -s " + vpp.getRunDir() + "/cli.sock"
+ vppcliFileName := "/usr/bin/vppcli"
+ vpp.container.createFile(vppcliFileName, cliContent)
+ vpp.container.exec("chmod 0755 " + vppcliFileName)
+
+ if *isVppDebug {
+ sig := make(chan os.Signal, 1)
+ signal.Notify(sig, syscall.SIGINT)
+ cont := make(chan bool, 1)
+ go func() {
+ <-sig
+ cont <- true
+ }()
+
+ // Start VPP in GDB and wait for user to attach it
+ vpp.container.execServer("su -c \"gdb -ex run --args vpp -c " + startupFileName + " &> /proc/1/fd/1\"")
+ fmt.Println("run following command in different terminal:")
+ fmt.Println("docker exec -it " + vpp.container.name + " gdb -ex \"attach $(docker exec " + vpp.container.name + " pidof gdb)\"")
+ fmt.Println("Afterwards press CTRL+C to continue")
+ <-cont
+ fmt.Println("continuing...")
+ } else {
+ // Start VPP
+ vpp.container.execServer("su -c \"vpp -c " + startupFileName + " &> /proc/1/fd/1\"")
}
// Connect to VPP and store the connection
- sockAddress := vpp.container.GetHostWorkDir() + defaultApiSocketFilePath
+ sockAddress := vpp.container.getHostWorkDir() + defaultApiSocketFilePath
conn, connEv, err := govpp.AsyncConnect(
sockAddress,
core.DefaultMaxReconnectAttempts,
return nil
}
-func (vpp *VppInstance) vppctl(command string, arguments ...any) (string, error) {
+func (vpp *VppInstance) vppctl(command string, arguments ...any) string {
vppCliCommand := fmt.Sprintf(command, arguments...)
containerExecCommand := fmt.Sprintf("docker exec --detach=false %[1]s vppctl -s %[2]s %[3]s",
vpp.container.name, vpp.getCliSocket(), vppCliCommand)
+ vpp.getSuite().log(containerExecCommand)
output, err := exechelper.CombinedOutput(containerExecCommand)
- if err != nil {
- return "", fmt.Errorf("vppctl failed: %s", err)
- }
-
- return string(output), nil
-}
+ vpp.getSuite().assertNil(err)
-func NewVppInstance(c *Container) *VppInstance {
- vppConfig := new(VppConfig)
- vppConfig.CliSocketFilePath = defaultCliSocketFilePath
- vpp := new(VppInstance)
- vpp.container = c
- vpp.config = vppConfig
- return vpp
-}
-
-func serializeVppConfig(vppConfig *VppConfig) (string, error) {
- serializedConfig, err := json.Marshal(vppConfig)
- if err != nil {
- return "", fmt.Errorf("vpp start failed: serializing configuration failed: %s", err)
- }
- return string(serializedConfig), nil
+ return string(output)
}
-func deserializeVppConfig(input string) (VppConfig, error) {
- var vppConfig VppConfig
- err := json.Unmarshal([]byte(input), &vppConfig)
- if err != nil {
- // Since input is not a valid JSON it is going be used as a variant value
- // for compatibility reasons
- vppConfig.Variant = input
- vppConfig.CliSocketFilePath = defaultCliSocketFilePath
+func (vpp *VppInstance) waitForApp(appName string, timeout int) {
+ for i := 0; i < timeout; i++ {
+ o := vpp.vppctl("show app")
+ if strings.Contains(o, appName) {
+ return
+ }
+ time.Sleep(1 * time.Second)
}
- return vppConfig, nil
+ vpp.getSuite().assertNil(1, "Timeout while waiting for app '%s'", appName)
}
func (vpp *VppInstance) createAfPacket(
- veth *NetworkInterfaceVeth,
+ veth *NetInterface,
) (interface_types.InterfaceIndex, error) {
createReq := &af_packet.AfPacketCreateV2{
UseRandomHwAddr: true,
}
// Add address
- if veth.ip4Address == (AddressWithPrefix{}) {
- ipPrefix, err := vpp.container.suite.NewAddress()
- if err != nil {
+ if veth.addressWithPrefix() == (AddressWithPrefix{}) {
+ var err error
+ var ip4Address string
+ if ip4Address, err = veth.addresser.newIp4Address(veth.peer.networkNumber); err == nil {
+ veth.ip4Address = ip4Address
+ } else {
return 0, err
}
- veth.ip4Address = ipPrefix
}
addressReq := &interfaces.SwInterfaceAddDelAddress{
IsAdd: true,
SwIfIndex: veth.index,
- Prefix: veth.ip4Address,
+ Prefix: veth.addressWithPrefix(),
}
addressReply := &interfaces.SwInterfaceAddDelAddressReply{}
return nil
}
+func (vpp *VppInstance) createTap(
+ tap *NetInterface,
+ tapId ...uint32,
+) error {
+ var id uint32 = 1
+ if len(tapId) > 0 {
+ id = tapId[0]
+ }
+ createTapReq := &tapv2.TapCreateV2{
+ ID: id,
+ HostIfNameSet: true,
+ HostIfName: tap.Name(),
+ HostIP4PrefixSet: true,
+ HostIP4Prefix: tap.ip4AddressWithPrefix(),
+ }
+ createTapReply := &tapv2.TapCreateV2Reply{}
+
+ // Create tap interface
+ if err := vpp.apiChannel.SendRequest(createTapReq).ReceiveReply(createTapReply); err != nil {
+ return err
+ }
+
+ // Add address
+ addAddressReq := &interfaces.SwInterfaceAddDelAddress{
+ IsAdd: true,
+ SwIfIndex: createTapReply.SwIfIndex,
+ Prefix: tap.peer.addressWithPrefix(),
+ }
+ addAddressReply := &interfaces.SwInterfaceAddDelAddressReply{}
+
+ if err := vpp.apiChannel.SendRequest(addAddressReq).ReceiveReply(addAddressReply); err != nil {
+ return err
+ }
+
+ // Set interface to up
+ upReq := &interfaces.SwInterfaceSetFlags{
+ SwIfIndex: createTapReply.SwIfIndex,
+ Flags: interface_types.IF_STATUS_API_FLAG_ADMIN_UP,
+ }
+ upReply := &interfaces.SwInterfaceSetFlagsReply{}
+
+ if err := vpp.apiChannel.SendRequest(upReq).ReceiveReply(upReply); err != nil {
+ return err
+ }
+
+ return nil
+}
+
+func (vpp *VppInstance) saveLogs() {
+ logTarget := vpp.container.getLogDirPath() + "vppinstance-" + vpp.container.name + ".log"
+ logSource := vpp.container.getHostWorkDir() + defaultLogFilePath
+ cmd := exec.Command("cp", logSource, logTarget)
+ vpp.getSuite().T().Helper()
+ vpp.getSuite().log(cmd.String())
+ cmd.Run()
+}
+
func (vpp *VppInstance) disconnect() {
vpp.connection.Disconnect()
vpp.apiChannel.Close()
}
+
+func (vpp *VppInstance) generateCpuConfig() string {
+ var c Stanza
+ var s string
+ if len(vpp.cpus) < 1 {
+ return ""
+ }
+ c.newStanza("cpu").
+ append(fmt.Sprintf("main-core %d", vpp.cpus[0]))
+ workers := vpp.cpus[1:]
+
+ if len(workers) > 0 {
+ for i := 0; i < len(workers); i++ {
+ if i != 0 {
+ s = s + ", "
+ }
+ s = s + fmt.Sprintf("%d", workers[i])
+ }
+ c.append(fmt.Sprintf("corelist-workers %s", s))
+ }
+ return c.close().toString()
+}
Code Review / vpp.git / blobdiff