Bind healthcheck to backend by entryPointName
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parent
7d3878214a
commit
ff11467022
4 changed files with 144 additions and 11 deletions
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@ -0,0 +1,31 @@
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defaultEntryPoints = ["http1", "http2"]
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logLevel = "DEBUG"
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[entryPoints]
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[entryPoints.http1]
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address = ":8000"
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[entryPoints.http2]
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address = ":9000"
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[web]
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address = ":8080"
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[file]
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[backends]
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[backends.backend1]
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[backends.backend1.LoadBalancer]
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method = "drr"
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[backends.backend1.healthcheck]
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path = "/health"
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interval = "1s"
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[backends.backend1.servers.server1]
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url = "http://{{.Server1}}:80"
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[backends.backend1.servers.server2]
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url = "http://{{.Server2}}:80"
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[frontends]
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[frontends.frontend1]
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backend = "backend1"
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[frontends.frontend1.routes.test_1]
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rule = "Host:test.localhost"
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@ -0,0 +1,31 @@
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defaultEntryPoints = ["http1", "http2"]
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logLevel = "DEBUG"
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[entryPoints]
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[entryPoints.http1]
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address = ":8000"
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[entryPoints.http2]
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address = ":9000"
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[web]
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address = ":8080"
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[file]
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[backends]
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[backends.backend1]
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[backends.backend1.LoadBalancer]
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method = "wrr"
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[backends.backend1.healthcheck]
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path = "/health"
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interval = "1s"
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[backends.backend1.servers.server1]
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url = "http://{{.Server1}}:80"
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[backends.backend1.servers.server2]
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url = "http://{{.Server2}}:80"
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[frontends]
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[frontends.frontend1]
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backend = "backend1"
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[frontends.frontend1.routes.test_1]
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rule = "Host:test.localhost"
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@ -12,22 +12,26 @@ import (
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)
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)
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// HealthCheck test suites (using libcompose)
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// HealthCheck test suites (using libcompose)
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type HealthCheckSuite struct{ BaseSuite }
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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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func (s *HealthCheckSuite) SetUpSuite(c *check.C) {
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s.createComposeProject(c, "healthcheck")
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s.createComposeProject(c, "healthcheck")
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s.composeProject.Start(c)
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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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}
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func (s *HealthCheckSuite) TestSimpleConfiguration(c *check.C) {
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func (s *HealthCheckSuite) TestSimpleConfiguration(c *check.C) {
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whoami1Host := s.composeProject.Container(c, "whoami1").NetworkSettings.IPAddress
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whoami2Host := s.composeProject.Container(c, "whoami2").NetworkSettings.IPAddress
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file := s.adaptFile(c, "fixtures/healthcheck/simple.toml", struct {
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file := s.adaptFile(c, "fixtures/healthcheck/simple.toml", struct {
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Server1 string
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Server1 string
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Server2 string
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Server2 string
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}{whoami1Host, whoami2Host})
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}{s.whoami1IP, s.whoami2IP})
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defer os.Remove(file)
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defer os.Remove(file)
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cmd, _ := s.cmdTraefik(withConfigFile(file))
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cmd, _ := s.cmdTraefik(withConfigFile(file))
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@ -48,7 +52,7 @@ func (s *HealthCheckSuite) TestSimpleConfiguration(c *check.C) {
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// Fix all whoami health to 500
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// Fix all whoami health to 500
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client := &http.Client{}
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client := &http.Client{}
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whoamiHosts := []string{whoami1Host, whoami2Host}
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whoamiHosts := []string{s.whoami1IP, s.whoami2IP}
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for _, whoami := range whoamiHosts {
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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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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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c.Assert(err, checker.IsNil)
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@ -64,7 +68,7 @@ func (s *HealthCheckSuite) TestSimpleConfiguration(c *check.C) {
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c.Assert(err, checker.IsNil)
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c.Assert(err, checker.IsNil)
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// Change one whoami health to 200
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// Change one whoami health to 200
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statusOKReq1, err := http.NewRequest(http.MethodPost, "http://"+whoami1Host+"/health", bytes.NewBuffer([]byte("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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c.Assert(err, checker.IsNil)
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_, err = client.Do(statusOKReq1)
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_, err = client.Do(statusOKReq1)
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c.Assert(err, checker.IsNil)
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c.Assert(err, checker.IsNil)
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@ -78,11 +82,11 @@ func (s *HealthCheckSuite) TestSimpleConfiguration(c *check.C) {
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frontendReq.Host = "test.localhost"
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frontendReq.Host = "test.localhost"
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// Check if whoami1 responds
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// Check if whoami1 responds
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err = try.Request(frontendReq, 500*time.Millisecond, try.BodyContains(whoami1Host))
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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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c.Assert(err, checker.IsNil)
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// Check if the service with bad health check (whoami2) never respond.
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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(whoami2Host))
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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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c.Assert(err, checker.Not(checker.IsNil))
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// TODO validate : run on 80
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// TODO validate : run on 80
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@ -92,3 +96,70 @@ func (s *HealthCheckSuite) TestSimpleConfiguration(c *check.C) {
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c.Assert(err, checker.IsNil)
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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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c.Assert(resp.StatusCode, checker.Equals, http.StatusNotFound)
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}
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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, _ := s.cmdTraefik(withConfigFile(file))
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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/providers", 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 one whoami health to 500
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client := &http.Client{}
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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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// Waiting for Traefik healthcheck
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try.Sleep(2 * time.Second)
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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.Not(checker.IsNil))
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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.Not(checker.IsNil))
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}
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@ -744,7 +744,7 @@ func (server *Server) loadConfig(configurations configs, globalConfiguration Glo
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hcOpts := parseHealthCheckOptions(rebalancer, frontend.Backend, configuration.Backends[frontend.Backend].HealthCheck, globalConfiguration.HealthCheck)
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hcOpts := parseHealthCheckOptions(rebalancer, frontend.Backend, configuration.Backends[frontend.Backend].HealthCheck, globalConfiguration.HealthCheck)
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if hcOpts != nil {
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if hcOpts != nil {
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log.Debugf("Setting up backend health check %s", *hcOpts)
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log.Debugf("Setting up backend health check %s", *hcOpts)
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backendsHealthcheck[frontend.Backend] = healthcheck.NewBackendHealthCheck(*hcOpts)
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backendsHealthcheck[entryPointName+frontend.Backend] = healthcheck.NewBackendHealthCheck(*hcOpts)
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}
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}
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lb = middlewares.NewEmptyBackendHandler(rebalancer, lb)
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lb = middlewares.NewEmptyBackendHandler(rebalancer, lb)
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case types.Wrr:
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case types.Wrr:
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@ -765,7 +765,7 @@ func (server *Server) loadConfig(configurations configs, globalConfiguration Glo
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hcOpts := parseHealthCheckOptions(rr, frontend.Backend, configuration.Backends[frontend.Backend].HealthCheck, globalConfiguration.HealthCheck)
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hcOpts := parseHealthCheckOptions(rr, frontend.Backend, configuration.Backends[frontend.Backend].HealthCheck, globalConfiguration.HealthCheck)
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if hcOpts != nil {
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if hcOpts != nil {
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log.Debugf("Setting up backend health check %s", *hcOpts)
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log.Debugf("Setting up backend health check %s", *hcOpts)
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backendsHealthcheck[frontend.Backend] = healthcheck.NewBackendHealthCheck(*hcOpts)
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backendsHealthcheck[entryPointName+frontend.Backend] = healthcheck.NewBackendHealthCheck(*hcOpts)
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}
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}
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lb = middlewares.NewEmptyBackendHandler(rr, lb)
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lb = middlewares.NewEmptyBackendHandler(rr, lb)
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}
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}
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