Add Consul Catalog provider
This commit is contained in:
Andrew Privalov
Traefiker Bot
parent
d0ed814669
commit
7be2db6e86
52 changed files with 4194 additions and 67 deletions
342
integration/consul_catalog_test.go
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342
integration/consul_catalog_test.go
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package integration
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import (
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"fmt"
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"net/http"
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"os"
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"strconv"
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"time"
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"github.com/containous/traefik/v2/integration/try"
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"github.com/docker/docker/integration-cli/checker"
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"github.com/go-check/check"
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"github.com/hashicorp/consul/api"
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)
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type ConsulCatalogSuite struct {
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BaseSuite
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consulClient *api.Client
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consulAddress string
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}
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func (s *ConsulCatalogSuite) SetUpSuite(c *check.C) {
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s.createComposeProject(c, "consul_catalog")
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s.composeProject.Start(c)
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s.consulAddress = "http://" + s.composeProject.Container(c, "consul").NetworkSettings.IPAddress + ":8500"
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client, err := api.NewClient(&api.Config{
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Address: s.consulAddress,
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})
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c.Check(err, check.IsNil)
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s.consulClient = client
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// Wait for consul to elect itself leader
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err = s.waitToElectConsulLeader()
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c.Assert(err, checker.IsNil)
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}
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func (s *ConsulCatalogSuite) waitToElectConsulLeader() error {
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return try.Do(15*time.Second, func() error {
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leader, err := s.consulClient.Status().Leader()
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if err != nil || len(leader) == 0 {
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return fmt.Errorf("leader not found. %v", err)
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}
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return nil
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})
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}
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func (s *ConsulCatalogSuite) TearDownSuite(c *check.C) {
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// shutdown and delete compose project
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if s.composeProject != nil {
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s.composeProject.Stop(c)
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}
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}
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func (s *ConsulCatalogSuite) registerService(id, name, address, port string, tags []string) error {
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iPort, err := strconv.Atoi(port)
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if err != nil {
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return err
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}
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return s.consulClient.Agent().ServiceRegister(&api.AgentServiceRegistration{
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ID: id,
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Name: name,
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Address: address,
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Port: iPort,
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Tags: tags,
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})
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}
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func (s *ConsulCatalogSuite) deregisterService(id string) error {
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return s.consulClient.Agent().ServiceDeregister(id)
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}
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func (s *ConsulCatalogSuite) TestWithNotExposedByDefaultAndDefaultsSettings(c *check.C) {
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err := s.registerService("whoami1", "whoami", s.composeProject.Container(c, "whoami1").NetworkSettings.IPAddress, "80", []string{"traefik.enable=true"})
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c.Assert(err, checker.IsNil)
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err = s.registerService("whoami2", "whoami", s.composeProject.Container(c, "whoami2").NetworkSettings.IPAddress, "80", []string{"traefik.enable=true"})
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c.Assert(err, checker.IsNil)
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err = s.registerService("whoami3", "whoami", s.composeProject.Container(c, "whoami3").NetworkSettings.IPAddress, "80", []string{"traefik.enable=true"})
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c.Assert(err, checker.IsNil)
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tempObjects := struct {
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ConsulAddress string
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}{
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ConsulAddress: s.consulAddress,
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}
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file := s.adaptFile(c, "fixtures/consul_catalog/default_not_exposed.toml", tempObjects)
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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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req, 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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req.Host = "whoami"
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err = try.Request(req, 2*time.Second, try.StatusCodeIs(200), try.BodyContainsOr("Hostname: whoami1", "Hostname: whoami2", "Hostname: whoami3"))
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c.Assert(err, checker.IsNil)
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err = s.deregisterService("whoami1")
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c.Assert(err, checker.IsNil)
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err = s.deregisterService("whoami2")
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c.Assert(err, checker.IsNil)
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err = s.deregisterService("whoami3")
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c.Assert(err, checker.IsNil)
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}
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func (s *ConsulCatalogSuite) TestByLabels(c *check.C) {
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labels := []string{
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"traefik.enable=true",
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"traefik.http.routers.router1.rule=Path(`/whoami`)",
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"traefik.http.routers.router1.service=service1",
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"traefik.http.services.service1.loadBalancer.server.url=http://" + s.composeProject.Container(c, "whoami1").NetworkSettings.IPAddress,
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}
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err := s.registerService("whoami1", "whoami", s.composeProject.Container(c, "whoami1").NetworkSettings.IPAddress, "80", labels)
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c.Assert(err, checker.IsNil)
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tempObjects := struct {
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ConsulAddress string
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}{
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ConsulAddress: s.consulAddress,
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}
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file := s.adaptFile(c, "fixtures/consul_catalog/default_not_exposed.toml", tempObjects)
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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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err = try.GetRequest("http://127.0.0.1:8000/whoami", 2*time.Second, try.StatusCodeIs(http.StatusOK), try.BodyContainsOr("Hostname: whoami1", "Hostname: whoami2", "Hostname: whoami3"))
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c.Assert(err, checker.IsNil)
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err = s.deregisterService("whoami1")
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c.Assert(err, checker.IsNil)
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}
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func (s *ConsulCatalogSuite) TestSimpleConfiguration(c *check.C) {
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tempObjects := struct {
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ConsulAddress string
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DefaultRule string
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}{
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ConsulAddress: s.consulAddress,
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DefaultRule: "Host(`{{ normalize .Name }}.consul.localhost`)",
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}
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file := s.adaptFile(c, "fixtures/consul_catalog/simple.toml", tempObjects)
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defer os.Remove(file)
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err := s.registerService("whoami1", "whoami", s.composeProject.Container(c, "whoami1").NetworkSettings.IPAddress, "80", []string{"traefik.enable=true"})
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c.Assert(err, checker.IsNil)
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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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req, 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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req.Host = "whoami.consul.localhost"
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err = try.Request(req, 2*time.Second, try.StatusCodeIs(200), try.BodyContainsOr("Hostname: whoami1"))
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c.Assert(err, checker.IsNil)
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err = s.deregisterService("whoami1")
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c.Assert(err, checker.IsNil)
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}
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func (s *ConsulCatalogSuite) TestDefaultConsulService(c *check.C) {
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tempObjects := struct {
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ConsulAddress string
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DefaultRule string
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}{
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ConsulAddress: s.consulAddress,
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DefaultRule: "Host(`{{ normalize .Name }}.consul.localhost`)",
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}
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file := s.adaptFile(c, "fixtures/consul_catalog/simple.toml", tempObjects)
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defer os.Remove(file)
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err := s.registerService("whoami1", "whoami", s.composeProject.Container(c, "whoami1").NetworkSettings.IPAddress, "80", nil)
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c.Assert(err, checker.IsNil)
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// Start traefik
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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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req, 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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req.Host = "whoami.consul.localhost"
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err = try.Request(req, 2*time.Second, try.StatusCodeIs(200), try.BodyContainsOr("Hostname: whoami1"))
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c.Assert(err, checker.IsNil)
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err = s.deregisterService("whoami1")
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c.Assert(err, checker.IsNil)
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}
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func (s *ConsulCatalogSuite) TestConsulServiceWithTCPLabels(c *check.C) {
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tempObjects := struct {
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ConsulAddress string
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DefaultRule string
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}{
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ConsulAddress: s.consulAddress,
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DefaultRule: "Host(`{{ normalize .Name }}.consul.localhost`)",
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}
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file := s.adaptFile(c, "fixtures/consul_catalog/simple.toml", tempObjects)
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defer os.Remove(file)
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// Start a container with some labels
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labels := []string{
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"traefik.tcp.Routers.Super.Rule=HostSNI(`my.super.host`)",
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"traefik.tcp.Routers.Super.tls=true",
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"traefik.tcp.Services.Super.Loadbalancer.server.port=8080",
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}
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err := s.registerService("whoamitcp", "whoamitcp", s.composeProject.Container(c, "whoamitcp").NetworkSettings.IPAddress, "8080", labels)
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c.Assert(err, checker.IsNil)
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// Start traefik
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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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err = try.GetRequest("http://127.0.0.1:8080/api/rawdata", 1500*time.Millisecond, try.StatusCodeIs(http.StatusOK), try.BodyContains("HostSNI(`my.super.host`)"))
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c.Assert(err, checker.IsNil)
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who, err := guessWho("127.0.0.1:8000", "my.super.host", true)
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c.Assert(err, checker.IsNil)
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c.Assert(who, checker.Contains, "whoamitcp")
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err = s.deregisterService("whoamitcp")
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c.Assert(err, checker.IsNil)
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}
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func (s *ConsulCatalogSuite) TestConsulServiceWithLabels(c *check.C) {
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tempObjects := struct {
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ConsulAddress string
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DefaultRule string
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}{
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ConsulAddress: s.consulAddress,
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DefaultRule: "Host(`{{ normalize .Name }}.consul.localhost`)",
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}
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file := s.adaptFile(c, "fixtures/consul_catalog/simple.toml", tempObjects)
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defer os.Remove(file)
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// Start a container with some labels
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labels := []string{
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"traefik.http.Routers.Super.Rule=Host(`my.super.host`)",
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}
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err := s.registerService("whoami1", "whoami", s.composeProject.Container(c, "whoami1").NetworkSettings.IPAddress, "80", labels)
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c.Assert(err, checker.IsNil)
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// Start another container by replacing a '.' by a '-'
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labels = []string{
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"traefik.http.Routers.SuperHost.Rule=Host(`my-super.host`)",
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}
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err = s.registerService("whoami2", "whoami", s.composeProject.Container(c, "whoami2").NetworkSettings.IPAddress, "80", labels)
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c.Assert(err, checker.IsNil)
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// Start traefik
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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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req, 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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req.Host = "my-super.host"
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err = try.Request(req, 2*time.Second, try.StatusCodeIs(200), try.BodyContainsOr("Hostname: whoami1"))
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c.Assert(err, checker.IsNil)
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req, 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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req.Host = "my.super.host"
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err = try.Request(req, 2*time.Second, try.StatusCodeIs(200), try.BodyContainsOr("Hostname: whoami2"))
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c.Assert(err, checker.IsNil)
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err = s.deregisterService("whoami1")
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c.Assert(err, checker.IsNil)
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err = s.deregisterService("whoami2")
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c.Assert(err, checker.IsNil)
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}
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func (s *ConsulCatalogSuite) TestConsulServiceWithOneMissingLabels(c *check.C) {
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tempObjects := struct {
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ConsulAddress string
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DefaultRule string
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}{
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ConsulAddress: s.consulAddress,
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DefaultRule: "Host(`{{ normalize .Name }}.consul.localhost`)",
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}
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file := s.adaptFile(c, "fixtures/consul_catalog/simple.toml", tempObjects)
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defer os.Remove(file)
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// Start a container with some labels
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labels := []string{
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"traefik.random.value=my.super.host",
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}
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err := s.registerService("whoami1", "whoami", s.composeProject.Container(c, "whoami1").NetworkSettings.IPAddress, "80", labels)
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c.Assert(err, checker.IsNil)
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// Start traefik
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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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req, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/version", nil)
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c.Assert(err, checker.IsNil)
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req.Host = "my.super.host"
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// FIXME Need to wait than 500 milliseconds more (for swarm or traefik to boot up ?)
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// TODO validate : run on 80
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// Expected a 404 as we did not configure anything
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err = try.Request(req, 1500*time.Millisecond, try.StatusCodeIs(http.StatusNotFound))
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c.Assert(err, checker.IsNil)
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}
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