mirror of
https://github.com/traefik/traefik.git
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108 lines
2.8 KiB
Go
108 lines
2.8 KiB
Go
package integration
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"regexp"
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"strconv"
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"testing"
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"time"
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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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"github.com/traefik/traefik/v3/pkg/config/dynamic"
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)
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type ThrottlingSuite struct{ BaseSuite }
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func TestThrottlingSuite(t *testing.T) {
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suite.Run(t, new(ThrottlingSuite))
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}
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func (s *ThrottlingSuite) SetupSuite() {
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s.BaseSuite.SetupSuite()
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s.createComposeProject("rest")
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s.composeUp()
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}
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func (s *ThrottlingSuite) TestThrottleConfReload() {
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s.traefikCmd(withConfigFile("fixtures/throttling/simple.toml"))
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// wait for Traefik
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err := try.GetRequest("http://127.0.0.1:8080/api/rawdata", 5*time.Second, try.BodyContains("rest@internal"))
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require.NoError(s.T(), err)
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// Expected a 404 as we did not configure anything.
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err = try.GetRequest("http://127.0.0.1:8000/", 2*time.Second, try.StatusCodeIs(http.StatusNotFound))
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require.NoError(s.T(), err)
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config := &dynamic.Configuration{
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HTTP: &dynamic.HTTPConfiguration{
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Routers: map[string]*dynamic.Router{},
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Services: map[string]*dynamic.Service{
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"serviceHTTP": {
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LoadBalancer: &dynamic.ServersLoadBalancer{
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Servers: []dynamic.Server{
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{
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URL: "http://" + s.getComposeServiceIP("whoami1") + ":80",
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},
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},
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},
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},
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},
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},
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}
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router := &dynamic.Router{
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EntryPoints: []string{"web"},
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Middlewares: []string{},
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Service: "serviceHTTP",
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Rule: "PathPrefix(`/`)",
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}
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confChanges := 10
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for i := range confChanges {
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config.HTTP.Routers[fmt.Sprintf("routerHTTP%d", i)] = router
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data, err := json.Marshal(config)
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require.NoError(s.T(), err)
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request, err := http.NewRequest(http.MethodPut, "http://127.0.0.1:8080/api/providers/rest", bytes.NewReader(data))
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require.NoError(s.T(), err)
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response, err := http.DefaultClient.Do(request)
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require.NoError(s.T(), err)
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assert.Equal(s.T(), http.StatusOK, response.StatusCode)
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time.Sleep(200 * time.Millisecond)
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}
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reloadsRegexp := regexp.MustCompile(`traefik_config_reloads_total (\d*)\n`)
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resp, err := http.Get("http://127.0.0.1:8080/metrics")
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require.NoError(s.T(), err)
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defer resp.Body.Close()
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body, err := io.ReadAll(resp.Body)
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require.NoError(s.T(), err)
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fields := reloadsRegexp.FindStringSubmatch(string(body))
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assert.Len(s.T(), fields, 2)
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reloads, err := strconv.Atoi(fields[1])
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if err != nil {
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panic(err)
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}
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// The test tries to trigger a config reload with the REST API every 200ms,
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// 10 times (so for 2s in total).
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// Therefore the throttling (set at 400ms for this test) should only let
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// (2s / 400 ms =) 5 config reloads happen in theory.
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// In addition, we have to take into account the extra config reload from the internal provider (5 + 1).
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assert.LessOrEqual(s.T(), reloads, 6)
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}
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