133 lines
4.3 KiB
Go
133 lines
4.3 KiB
Go
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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"time"
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"github.com/containous/traefik/integration/try"
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"github.com/gambol99/go-marathon"
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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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// Marathon test suites (using libcompose)
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type MarathonSuite15 struct {
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BaseSuite
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marathonURL string
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}
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func (s *MarathonSuite15) SetUpSuite(c *check.C) {
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s.createComposeProject(c, "marathon15")
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s.composeProject.Start(c)
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marathonIPAddr := s.composeProject.Container(c, containerNameMarathon).NetworkSettings.IPAddress
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c.Assert(marathonIPAddr, checker.Not(checker.HasLen), 0)
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s.marathonURL = "http://" + marathonIPAddr + ":8080"
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// Wait for Marathon readiness prior to creating the client so that we
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// don't run into the "all cluster members down" state right from the
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// start.
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err := try.GetRequest(s.marathonURL+"/v2/leader", 1*time.Minute, try.StatusCodeIs(http.StatusOK))
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c.Assert(err, checker.IsNil)
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// Add entry for Mesos slave container IP address in the hosts file so
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// that Traefik can properly forward traffic.
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// This is necessary as long as we are still using the docker-compose v1
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// spec. Once we switch to v2 or higher, we can have both the test/builder
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// container and the Mesos slave container join the same custom network and
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// enjoy DNS-discoverable container host names.
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mesosSlaveIPAddr := s.composeProject.Container(c, containerNameMesosSlave).NetworkSettings.IPAddress
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c.Assert(mesosSlaveIPAddr, checker.Not(checker.HasLen), 0)
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err = s.extendDockerHostsFile(containerNameMesosSlave, mesosSlaveIPAddr)
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c.Assert(err, checker.IsNil)
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}
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// extendDockerHostsFile extends the hosts file (/etc/hosts) by the given
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// host/IP address mapping if we are running inside a container.
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func (s *MarathonSuite15) extendDockerHostsFile(host, ipAddr string) error {
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const hostsFile = "/etc/hosts"
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// Determine if the run inside a container. The most reliable way to
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// do this is to inject an indicator, which we do in terms of an
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// environment variable.
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// (See also https://groups.google.com/d/topic/docker-user/JOGE7AnJ3Gw/discussion.)
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if os.Getenv("CONTAINER") == "DOCKER" {
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// We are running inside a container -- extend the hosts file.
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file, err := os.OpenFile(hostsFile, os.O_APPEND|os.O_WRONLY, 0600)
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if err != nil {
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return err
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}
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defer file.Close()
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if _, err = file.WriteString(fmt.Sprintf("%s\t%s\n", ipAddr, host)); err != nil {
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return err
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}
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}
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return nil
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}
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func (s *MarathonSuite15) TestConfigurationUpdate(c *check.C) {
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// Start Traefik.
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file := s.adaptFile(c, "fixtures/marathon/simple.toml", struct {
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MarathonURL string
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}{s.marathonURL})
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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 to turn ready.
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err = try.GetRequest("http://127.0.0.1:8000/", 2*time.Second, try.StatusCodeIs(http.StatusNotFound))
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c.Assert(err, checker.IsNil)
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// Prepare Marathon client.
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config := marathon.NewDefaultConfig()
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config.URL = s.marathonURL
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client, err := marathon.NewClient(config)
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c.Assert(err, checker.IsNil)
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// Create test application to be deployed.
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app := marathon.NewDockerApplication().
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Name("/whoami").
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CPU(0.1).
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Memory(32).
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EmptyNetworks().
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AddLabel("traefik.Routers.rt.Rule", "PathPrefix(`/service`)")
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app.Container.
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Expose(80).
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Docker.
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Container("containous/whoami")
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*app.Networks = append(*app.Networks, *marathon.NewBridgePodNetwork())
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// Deploy the test application.
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deployApplication(c, client, app)
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// Query application via Traefik.
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err = try.GetRequest("http://127.0.0.1:8000/service", 30*time.Second, try.StatusCodeIs(http.StatusOK))
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c.Assert(err, checker.IsNil)
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// Create test application with services to be deployed.
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app = marathon.NewDockerApplication().
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Name("/whoami").
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CPU(0.1).
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Memory(32).
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EmptyNetworks().
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AddLabel("traefik.Routers.app.Rule", "PathPrefix(`/app`)")
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app.Container.
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Expose(80).
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Docker.
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Container("containous/whoami")
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*app.Networks = append(*app.Networks, *marathon.NewBridgePodNetwork())
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// Deploy the test application.
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deployApplication(c, client, app)
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// Query application via Traefik.
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err = try.GetRequest("http://127.0.0.1:8000/app", 30*time.Second, try.StatusCodeIs(http.StatusOK))
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c.Assert(err, checker.IsNil)
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}
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