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Bind healthcheck to backend by entryPointName

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This commit is contained in:
Christoph Glaubitz 2017-08-10 18:00:31 +02:00 committed by Ludovic Fernandez
parent 7d3878214a
commit ff11467022
4 changed files with 144 additions and 11 deletions
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31
integration/fixtures/healthcheck/multiple-entrypoints-drr.toml Normal file
View file

@ -0,0 +1,31 @@
defaultEntryPoints = ["http1", "http2"]
logLevel = "DEBUG"
[entryPoints]
[entryPoints.http1]
address = ":8000"
[entryPoints.http2]
address = ":9000"
[web]
address = ":8080"
[file]
[backends]
[backends.backend1]
[backends.backend1.LoadBalancer]
method = "drr"
[backends.backend1.healthcheck]
path = "/health"
interval = "1s"
[backends.backend1.servers.server1]
url = "http://{{.Server1}}:80"
[backends.backend1.servers.server2]
url = "http://{{.Server2}}:80"
[frontends]
[frontends.frontend1]
backend = "backend1"
[frontends.frontend1.routes.test_1]
rule = "Host:test.localhost"

31
integration/fixtures/healthcheck/multiple-entrypoints-wrr.toml Normal file
View file

@ -0,0 +1,31 @@
defaultEntryPoints = ["http1", "http2"]
logLevel = "DEBUG"
[entryPoints]
[entryPoints.http1]
address = ":8000"
[entryPoints.http2]
address = ":9000"
[web]
address = ":8080"
[file]
[backends]
[backends.backend1]
[backends.backend1.LoadBalancer]
method = "wrr"
[backends.backend1.healthcheck]
path = "/health"
interval = "1s"
[backends.backend1.servers.server1]
url = "http://{{.Server1}}:80"
[backends.backend1.servers.server2]
url = "http://{{.Server2}}:80"
[frontends]
[frontends.frontend1]
backend = "backend1"
[frontends.frontend1.routes.test_1]
rule = "Host:test.localhost"

89
integration/healthcheck_test.go
View file

@ -12,22 +12,26 @@ import (
)
// HealthCheck test suites (using libcompose)
type HealthCheckSuite struct{ BaseSuite }
type HealthCheckSuite struct {
BaseSuite
whoami1IP string
whoami2IP string
}
func (s *HealthCheckSuite) SetUpSuite(c *check.C) {
s.createComposeProject(c, "healthcheck")
s.composeProject.Start(c)
s.whoami1IP = s.composeProject.Container(c, "whoami1").NetworkSettings.IPAddress
s.whoami2IP = s.composeProject.Container(c, "whoami2").NetworkSettings.IPAddress
}
func (s *HealthCheckSuite) TestSimpleConfiguration(c *check.C) {
whoami1Host := s.composeProject.Container(c, "whoami1").NetworkSettings.IPAddress
whoami2Host := s.composeProject.Container(c, "whoami2").NetworkSettings.IPAddress
file := s.adaptFile(c, "fixtures/healthcheck/simple.toml", struct {
Server1 string
Server2 string
}{whoami1Host, whoami2Host})
}{s.whoami1IP, s.whoami2IP})
defer os.Remove(file)
cmd, _ := s.cmdTraefik(withConfigFile(file))
@ -48,7 +52,7 @@ func (s *HealthCheckSuite) TestSimpleConfiguration(c *check.C) {
// Fix all whoami health to 500
client := &http.Client{}
whoamiHosts := []string{whoami1Host, whoami2Host}
whoamiHosts := []string{s.whoami1IP, s.whoami2IP}
for _, whoami := range whoamiHosts {
statusInternalServerErrorReq, err := http.NewRequest(http.MethodPost, "http://"+whoami+"/health", bytes.NewBuffer([]byte("500")))
c.Assert(err, checker.IsNil)
@ -64,7 +68,7 @@ func (s *HealthCheckSuite) TestSimpleConfiguration(c *check.C) {
c.Assert(err, checker.IsNil)
// Change one whoami health to 200
statusOKReq1, err := http.NewRequest(http.MethodPost, "http://"+whoami1Host+"/health", bytes.NewBuffer([]byte("200")))
statusOKReq1, err := http.NewRequest(http.MethodPost, "http://"+s.whoami1IP+"/health", bytes.NewBuffer([]byte("200")))
c.Assert(err, checker.IsNil)
_, err = client.Do(statusOKReq1)
c.Assert(err, checker.IsNil)
@ -78,11 +82,11 @@ func (s *HealthCheckSuite) TestSimpleConfiguration(c *check.C) {
frontendReq.Host = "test.localhost"
// Check if whoami1 responds
err = try.Request(frontendReq, 500*time.Millisecond, try.BodyContains(whoami1Host))
err = try.Request(frontendReq, 500*time.Millisecond, try.BodyContains(s.whoami1IP))
c.Assert(err, checker.IsNil)
// Check if the service with bad health check (whoami2) never respond.
err = try.Request(frontendReq, 2*time.Second, try.BodyContains(whoami2Host))
err = try.Request(frontendReq, 2*time.Second, try.BodyContains(s.whoami2IP))
c.Assert(err, checker.Not(checker.IsNil))
// TODO validate : run on 80
@ -92,3 +96,70 @@ func (s *HealthCheckSuite) TestSimpleConfiguration(c *check.C) {
c.Assert(err, checker.IsNil)
c.Assert(resp.StatusCode, checker.Equals, http.StatusNotFound)
}
func (s *HealthCheckSuite) TestMultipleEntrypointsWrr(c *check.C) {
s.doTestMultipleEntrypoints(c, "fixtures/healthcheck/multiple-entrypoints-wrr.toml")
}
func (s *HealthCheckSuite) TestMultipleEntrypointsDrr(c *check.C) {
s.doTestMultipleEntrypoints(c, "fixtures/healthcheck/multiple-entrypoints-drr.toml")
}
func (s *HealthCheckSuite) doTestMultipleEntrypoints(c *check.C, fixture string) {
file := s.adaptFile(c, fixture, struct {
Server1 string
Server2 string
}{s.whoami1IP, s.whoami2IP})
defer os.Remove(file)
cmd, _ := s.cmdTraefik(withConfigFile(file))
err := cmd.Start()
c.Assert(err, checker.IsNil)
defer cmd.Process.Kill()
// Wait for traefik
err = try.GetRequest("http://localhost:8080/api/providers", 60*time.Second, try.BodyContains("Host:test.localhost"))
c.Assert(err, checker.IsNil)
// Check entrypoint http1
frontendHealthReq, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/health", nil)
c.Assert(err, checker.IsNil)
frontendHealthReq.Host = "test.localhost"
err = try.Request(frontendHealthReq, 500*time.Millisecond, try.StatusCodeIs(http.StatusOK))
c.Assert(err, checker.IsNil)
// Check entrypoint http2
frontendHealthReq, err = http.NewRequest(http.MethodGet, "http://127.0.0.1:9000/health", nil)
c.Assert(err, checker.IsNil)
frontendHealthReq.Host = "test.localhost"
err = try.Request(frontendHealthReq, 500*time.Millisecond, try.StatusCodeIs(http.StatusOK))
c.Assert(err, checker.IsNil)
// Set one whoami health to 500
client := &http.Client{}
statusInternalServerErrorReq, err := http.NewRequest(http.MethodPost, "http://"+s.whoami1IP+"/health", bytes.NewBuffer([]byte("500")))
c.Assert(err, checker.IsNil)
_, err = client.Do(statusInternalServerErrorReq)
c.Assert(err, checker.IsNil)
// Waiting for Traefik healthcheck
try.Sleep(2 * time.Second)
frontend1Req, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/", nil)
c.Assert(err, checker.IsNil)
frontend1Req.Host = "test.localhost"
frontend2Req, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:9000/", nil)
c.Assert(err, checker.IsNil)
frontend2Req.Host = "test.localhost"
// Check if whoami1 never responds
err = try.Request(frontend2Req, 2*time.Second, try.BodyContains(s.whoami1IP))
c.Assert(err, checker.Not(checker.IsNil))
// Check if whoami1 never responds
err = try.Request(frontend1Req, 2*time.Second, try.BodyContains(s.whoami1IP))
c.Assert(err, checker.Not(checker.IsNil))
}

4
server/server.go
View file

@ -744,7 +744,7 @@ func (server *Server) loadConfig(configurations configs, globalConfiguration Glo
hcOpts := parseHealthCheckOptions(rebalancer, frontend.Backend, configuration.Backends[frontend.Backend].HealthCheck, globalConfiguration.HealthCheck)
if hcOpts != nil {
log.Debugf("Setting up backend health check %s", *hcOpts)
backendsHealthcheck[frontend.Backend] = healthcheck.NewBackendHealthCheck(*hcOpts)
backendsHealthcheck[entryPointName+frontend.Backend] = healthcheck.NewBackendHealthCheck(*hcOpts)
}
lb = middlewares.NewEmptyBackendHandler(rebalancer, lb)
case types.Wrr:
@ -765,7 +765,7 @@ func (server *Server) loadConfig(configurations configs, globalConfiguration Glo
hcOpts := parseHealthCheckOptions(rr, frontend.Backend, configuration.Backends[frontend.Backend].HealthCheck, globalConfiguration.HealthCheck)
if hcOpts != nil {
log.Debugf("Setting up backend health check %s", *hcOpts)
backendsHealthcheck[frontend.Backend] = healthcheck.NewBackendHealthCheck(*hcOpts)
backendsHealthcheck[entryPointName+frontend.Backend] = healthcheck.NewBackendHealthCheck(*hcOpts)
}
lb = middlewares.NewEmptyBackendHandler(rr, lb)
}