mirror of
https://github.com/containous/traefik.git
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f6df556eb0
Co-authored-by: Julien Salleyron <julien.salleyron@gmail.com> Co-authored-by: Jean-Baptiste Doumenjou <jb.doumenjou@gmail.com>
219 lines
7.6 KiB
Go
219 lines
7.6 KiB
Go
package integration
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import (
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"bytes"
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"net/http"
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"os"
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"time"
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"github.com/containous/traefik/integration/try"
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"github.com/go-check/check"
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checker "github.com/vdemeester/shakers"
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)
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// HealthCheck test suites (using libcompose)
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type HealthCheckSuite struct {
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BaseSuite
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whoami1IP string
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whoami2IP string
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}
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func (s *HealthCheckSuite) SetUpSuite(c *check.C) {
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s.createComposeProject(c, "healthcheck")
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s.composeProject.Start(c)
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s.whoami1IP = s.composeProject.Container(c, "whoami1").NetworkSettings.IPAddress
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s.whoami2IP = s.composeProject.Container(c, "whoami2").NetworkSettings.IPAddress
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}
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func (s *HealthCheckSuite) TestSimpleConfiguration(c *check.C) {
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file := s.adaptFile(c, "fixtures/healthcheck/simple.toml", struct {
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Server1 string
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Server2 string
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}{s.whoami1IP, s.whoami2IP})
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defer os.Remove(file)
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cmd, display := s.traefikCmd(withConfigFile(file))
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defer display(c)
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err := cmd.Start()
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c.Assert(err, checker.IsNil)
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defer cmd.Process.Kill()
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// wait for traefik
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err = try.GetRequest("http://127.0.0.1:8080/api/rawdata", 60*time.Second, try.BodyContains("Host(`test.localhost`)"))
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c.Assert(err, checker.IsNil)
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frontendHealthReq, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/health", nil)
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c.Assert(err, checker.IsNil)
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frontendHealthReq.Host = "test.localhost"
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err = try.Request(frontendHealthReq, 500*time.Millisecond, try.StatusCodeIs(http.StatusOK))
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c.Assert(err, checker.IsNil)
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// Fix all whoami health to 500
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client := &http.Client{}
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whoamiHosts := []string{s.whoami1IP, s.whoami2IP}
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for _, whoami := range whoamiHosts {
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statusInternalServerErrorReq, err := http.NewRequest(http.MethodPost, "http://"+whoami+"/health", bytes.NewBuffer([]byte("500")))
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c.Assert(err, checker.IsNil)
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_, err = client.Do(statusInternalServerErrorReq)
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c.Assert(err, checker.IsNil)
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}
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// Verify no backend service is available due to failing health checks
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err = try.Request(frontendHealthReq, 3*time.Second, try.StatusCodeIs(http.StatusServiceUnavailable))
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c.Assert(err, checker.IsNil)
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// Change one whoami health to 200
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statusOKReq1, err := http.NewRequest(http.MethodPost, "http://"+s.whoami1IP+"/health", bytes.NewBuffer([]byte("200")))
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c.Assert(err, checker.IsNil)
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_, err = client.Do(statusOKReq1)
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c.Assert(err, checker.IsNil)
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// Verify frontend health : after
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err = try.Request(frontendHealthReq, 3*time.Second, try.StatusCodeIs(http.StatusOK))
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c.Assert(err, checker.IsNil)
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frontendReq, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/", nil)
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c.Assert(err, checker.IsNil)
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frontendReq.Host = "test.localhost"
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// Check if whoami1 responds
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err = try.Request(frontendReq, 500*time.Millisecond, try.BodyContains(s.whoami1IP))
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c.Assert(err, checker.IsNil)
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// Check if the service with bad health check (whoami2) never respond.
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err = try.Request(frontendReq, 2*time.Second, try.BodyContains(s.whoami2IP))
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c.Assert(err, checker.Not(checker.IsNil))
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// TODO validate : run on 80
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resp, err := http.Get("http://127.0.0.1:8000/")
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// Expected a 404 as we did not configure anything
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c.Assert(err, checker.IsNil)
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c.Assert(resp.StatusCode, checker.Equals, http.StatusNotFound)
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}
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func (s *HealthCheckSuite) TestMultipleEntrypointsWrr(c *check.C) {
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s.doTestMultipleEntrypoints(c, "fixtures/healthcheck/multiple-entrypoints-wrr.toml")
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}
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func (s *HealthCheckSuite) TestMultipleEntrypointsDrr(c *check.C) {
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s.doTestMultipleEntrypoints(c, "fixtures/healthcheck/multiple-entrypoints-drr.toml")
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}
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func (s *HealthCheckSuite) doTestMultipleEntrypoints(c *check.C, fixture string) {
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file := s.adaptFile(c, fixture, struct {
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Server1 string
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Server2 string
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}{s.whoami1IP, s.whoami2IP})
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defer os.Remove(file)
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cmd, display := s.traefikCmd(withConfigFile(file))
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defer display(c)
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err := cmd.Start()
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c.Assert(err, checker.IsNil)
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defer cmd.Process.Kill()
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// Wait for traefik
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err = try.GetRequest("http://localhost:8080/api/rawdata", 60*time.Second, try.BodyContains("Host(`test.localhost`)"))
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c.Assert(err, checker.IsNil)
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// Check entrypoint http1
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frontendHealthReq, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/health", nil)
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c.Assert(err, checker.IsNil)
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frontendHealthReq.Host = "test.localhost"
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err = try.Request(frontendHealthReq, 500*time.Millisecond, try.StatusCodeIs(http.StatusOK))
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c.Assert(err, checker.IsNil)
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// Check entrypoint http2
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frontendHealthReq, err = http.NewRequest(http.MethodGet, "http://127.0.0.1:9000/health", nil)
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c.Assert(err, checker.IsNil)
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frontendHealthReq.Host = "test.localhost"
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err = try.Request(frontendHealthReq, 500*time.Millisecond, try.StatusCodeIs(http.StatusOK))
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c.Assert(err, checker.IsNil)
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// Set the both whoami health to 500
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client := &http.Client{}
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whoamiHosts := []string{s.whoami1IP, s.whoami2IP}
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for _, whoami := range whoamiHosts {
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statusInternalServerErrorReq, err := http.NewRequest(http.MethodPost, "http://"+whoami+"/health", bytes.NewBuffer([]byte("500")))
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c.Assert(err, checker.IsNil)
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_, err = client.Do(statusInternalServerErrorReq)
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c.Assert(err, checker.IsNil)
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}
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// Verify no backend service is available due to failing health checks
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err = try.Request(frontendHealthReq, 5*time.Second, try.StatusCodeIs(http.StatusServiceUnavailable))
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c.Assert(err, checker.IsNil)
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// reactivate the whoami2
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statusInternalServerOkReq, err := http.NewRequest(http.MethodPost, "http://"+s.whoami2IP+"/health", bytes.NewBuffer([]byte("200")))
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c.Assert(err, checker.IsNil)
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_, err = client.Do(statusInternalServerOkReq)
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c.Assert(err, checker.IsNil)
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frontend1Req, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/", nil)
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c.Assert(err, checker.IsNil)
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frontend1Req.Host = "test.localhost"
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frontend2Req, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:9000/", nil)
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c.Assert(err, checker.IsNil)
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frontend2Req.Host = "test.localhost"
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// Check if whoami1 never responds
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err = try.Request(frontend2Req, 2*time.Second, try.BodyContains(s.whoami1IP))
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c.Assert(err, checker.NotNil)
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// Check if whoami1 never responds
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err = try.Request(frontend1Req, 2*time.Second, try.BodyContains(s.whoami1IP))
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c.Assert(err, checker.NotNil)
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}
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func (s *HealthCheckSuite) TestPortOverload(c *check.C) {
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// Set one whoami health to 200
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client := &http.Client{}
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statusInternalServerErrorReq, err := http.NewRequest(http.MethodPost, "http://"+s.whoami1IP+"/health", bytes.NewBuffer([]byte("200")))
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c.Assert(err, checker.IsNil)
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_, err = client.Do(statusInternalServerErrorReq)
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c.Assert(err, checker.IsNil)
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file := s.adaptFile(c, "fixtures/healthcheck/port_overload.toml", struct {
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Server1 string
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}{s.whoami1IP})
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defer os.Remove(file)
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cmd, display := s.traefikCmd(withConfigFile(file))
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defer display(c)
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err = cmd.Start()
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c.Assert(err, checker.IsNil)
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defer cmd.Process.Kill()
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// wait for traefik
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err = try.GetRequest("http://127.0.0.1:8080/api/rawdata", 10*time.Second, try.BodyContains("Host(`test.localhost`)"))
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c.Assert(err, checker.IsNil)
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frontendHealthReq, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/health", nil)
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c.Assert(err, checker.IsNil)
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frontendHealthReq.Host = "test.localhost"
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// We test bad gateway because we use an invalid port for the backend
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err = try.Request(frontendHealthReq, 500*time.Millisecond, try.StatusCodeIs(http.StatusBadGateway))
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c.Assert(err, checker.IsNil)
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// Set one whoami health to 500
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statusInternalServerErrorReq, err = http.NewRequest(http.MethodPost, "http://"+s.whoami1IP+"/health", bytes.NewBuffer([]byte("500")))
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c.Assert(err, checker.IsNil)
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_, err = client.Do(statusInternalServerErrorReq)
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c.Assert(err, checker.IsNil)
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// Verify no backend service is available due to failing health checks
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err = try.Request(frontendHealthReq, 3*time.Second, try.StatusCodeIs(http.StatusServiceUnavailable))
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c.Assert(err, checker.IsNil)
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}
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