109 lines
2.3 KiB
Go
109 lines
2.3 KiB
Go
package integration
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import (
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"net"
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"net/http"
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"strings"
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"testing"
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"time"
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"github.com/rs/zerolog/log"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"github.com/stretchr/testify/suite"
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"github.com/traefik/traefik/v3/integration/try"
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)
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type UDPSuite struct{ BaseSuite }
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func TestUDPSuite(t *testing.T) {
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suite.Run(t, new(UDPSuite))
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}
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func (s *UDPSuite) SetupSuite() {
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s.BaseSuite.SetupSuite()
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s.createComposeProject("udp")
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s.composeUp()
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}
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func (s *UDPSuite) TearDownSuite() {
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s.BaseSuite.TearDownSuite()
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}
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func guessWhoUDP(addr string) (string, error) {
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var conn net.Conn
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var err error
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udpAddr, err2 := net.ResolveUDPAddr("udp", addr)
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if err2 != nil {
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return "", err2
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}
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conn, err = net.DialUDP("udp", nil, udpAddr)
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if err != nil {
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return "", err
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}
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_, err = conn.Write([]byte("WHO"))
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if err != nil {
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return "", err
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}
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out := make([]byte, 2048)
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n, err := conn.Read(out)
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if err != nil {
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return "", err
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}
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return string(out[:n]), nil
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}
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func (s *UDPSuite) TestWRR() {
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file := s.adaptFile("fixtures/udp/wrr.toml", struct {
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WhoamiAIP string
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WhoamiBIP string
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WhoamiCIP string
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WhoamiDIP string
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}{
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WhoamiAIP: s.getComposeServiceIP("whoami-a"),
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WhoamiBIP: s.getComposeServiceIP("whoami-b"),
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WhoamiCIP: s.getComposeServiceIP("whoami-c"),
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WhoamiDIP: s.getComposeServiceIP("whoami-d"),
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})
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s.traefikCmd(withConfigFile(file))
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err := try.GetRequest("http://127.0.0.1:8080/api/rawdata", 5*time.Second, try.StatusCodeIs(http.StatusOK), try.BodyContains("whoami-a"))
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require.NoError(s.T(), err)
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err = try.GetRequest("http://127.0.0.1:8093/who", 5*time.Second, try.StatusCodeIs(http.StatusOK))
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require.NoError(s.T(), err)
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stop := make(chan struct{})
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go func() {
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call := map[string]int{}
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for range 8 {
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out, err := guessWhoUDP("127.0.0.1:8093")
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require.NoError(s.T(), err)
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switch {
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case strings.Contains(out, "whoami-a"):
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call["whoami-a"]++
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case strings.Contains(out, "whoami-b"):
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call["whoami-b"]++
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case strings.Contains(out, "whoami-c"):
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call["whoami-c"]++
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default:
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call["unknown"]++
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}
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}
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assert.EqualValues(s.T(), map[string]int{"whoami-a": 3, "whoami-b": 2, "whoami-c": 3}, call)
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close(stop)
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}()
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select {
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case <-stop:
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case <-time.Tick(5 * time.Second):
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log.Info().Msg("Timeout")
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}
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}
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