traefik/integration/docker_test.go

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package integration
import (
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"os"
"strings"
"time"
"github.com/containous/traefik/integration/try"
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"github.com/containous/traefik/old/provider/label"
"github.com/docker/docker/pkg/namesgenerator"
"github.com/go-check/check"
d "github.com/libkermit/docker"
"github.com/libkermit/docker-check"
checker "github.com/vdemeester/shakers"
)
var (
// Label added to started container to identify them as part of the integration test
TestLabel = "io.traefik.test"
// Images to have or pull before the build in order to make it work
// FIXME handle this offline but loading them before build
RequiredImages = map[string]string{
"swarm": "1.0.0",
"emilevauge/whoami": "latest",
}
)
// Docker test suites
type DockerSuite struct {
BaseSuite
project *docker.Project
}
func (s *DockerSuite) startContainer(c *check.C, image string, args ...string) string {
return s.startContainerWithConfig(c, image, d.ContainerConfig{
Cmd: args,
})
}
func (s *DockerSuite) startContainerWithLabels(c *check.C, image string, labels map[string]string, args ...string) string {
return s.startContainerWithConfig(c, image, d.ContainerConfig{
Cmd: args,
Labels: labels,
})
}
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func (s *DockerSuite) startContainerWithNameAndLabels(c *check.C, name string, image string, labels map[string]string, args ...string) string {
return s.startContainerWithConfig(c, image, d.ContainerConfig{
Name: name,
Cmd: args,
Labels: labels,
})
}
func (s *DockerSuite) startContainerWithConfig(c *check.C, image string, config d.ContainerConfig) string {
if config.Name == "" {
config.Name = namesgenerator.GetRandomName(10)
}
container := s.project.StartWithConfig(c, image, config)
// FIXME(vdemeester) this is ugly (it's because of the / in front of the name in docker..)
return strings.SplitAfter(container.Name, "/")[1]
}
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func (s *DockerSuite) stopAndRemoveContainerByName(c *check.C, name string) {
s.project.Stop(c, name)
s.project.Remove(c, name)
}
func (s *DockerSuite) SetUpSuite(c *check.C) {
project := docker.NewProjectFromEnv(c)
s.project = project
// Pull required images
for repository, tag := range RequiredImages {
image := fmt.Sprintf("%s:%s", repository, tag)
s.project.Pull(c, image)
}
}
func (s *DockerSuite) TearDownTest(c *check.C) {
s.project.Clean(c, os.Getenv("CIRCLECI") != "")
}
func (s *DockerSuite) TestSimpleConfiguration(c *check.C) {
file := s.adaptFileForHost(c, "fixtures/docker/simple.toml")
defer os.Remove(file)
cmd, display := s.traefikCmd(withConfigFile(file))
defer display(c)
err := cmd.Start()
c.Assert(err, checker.IsNil)
defer cmd.Process.Kill()
// TODO validate : run on 80
// Expected a 404 as we did not configure anything
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err = try.GetRequest("http://127.0.0.1:8000/", 500*time.Millisecond, try.StatusCodeIs(http.StatusNotFound))
c.Assert(err, checker.IsNil)
}
func (s *DockerSuite) TestDefaultDockerContainers(c *check.C) {
file := s.adaptFileForHost(c, "fixtures/docker/simple.toml")
defer os.Remove(file)
name := s.startContainer(c, "swarm:1.0.0", "manage", "token://blablabla")
// Start traefik
cmd, display := s.traefikCmd(withConfigFile(file))
defer display(c)
err := cmd.Start()
c.Assert(err, checker.IsNil)
defer cmd.Process.Kill()
req, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/version", nil)
c.Assert(err, checker.IsNil)
req.Host = fmt.Sprintf("%s.docker.localhost", strings.Replace(name, "_", "-", -1))
// FIXME Need to wait than 500 milliseconds more (for swarm or traefik to boot up ?)
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resp, err := try.ResponseUntilStatusCode(req, 1500*time.Millisecond, http.StatusOK)
c.Assert(err, checker.IsNil)
body, err := ioutil.ReadAll(resp.Body)
c.Assert(err, checker.IsNil)
var version map[string]interface{}
c.Assert(json.Unmarshal(body, &version), checker.IsNil)
c.Assert(version["Version"], checker.Equals, "swarm/1.0.0")
}
func (s *DockerSuite) TestDockerContainersWithLabels(c *check.C) {
file := s.adaptFileForHost(c, "fixtures/docker/simple.toml")
defer os.Remove(file)
// Start a container with some labels
labels := map[string]string{
label.TraefikFrontendRule: "Host:my.super.host",
}
s.startContainerWithLabels(c, "swarm:1.0.0", labels, "manage", "token://blabla")
// Start another container by replacing a '.' by a '-'
labels = map[string]string{
label.TraefikFrontendRule: "Host:my-super.host",
}
s.startContainerWithLabels(c, "swarm:1.0.0", labels, "manage", "token://blablabla")
// Start traefik
cmd, display := s.traefikCmd(withConfigFile(file))
defer display(c)
err := cmd.Start()
c.Assert(err, checker.IsNil)
defer cmd.Process.Kill()
req, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/version", nil)
c.Assert(err, checker.IsNil)
req.Host = "my-super.host"
// FIXME Need to wait than 500 milliseconds more (for swarm or traefik to boot up ?)
_, err = try.ResponseUntilStatusCode(req, 1500*time.Millisecond, http.StatusOK)
c.Assert(err, checker.IsNil)
req, err = http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/version", nil)
c.Assert(err, checker.IsNil)
req.Host = "my.super.host"
// FIXME Need to wait than 500 milliseconds more (for swarm or traefik to boot up ?)
resp, err := try.ResponseUntilStatusCode(req, 1500*time.Millisecond, http.StatusOK)
c.Assert(err, checker.IsNil)
body, err := ioutil.ReadAll(resp.Body)
c.Assert(err, checker.IsNil)
var version map[string]interface{}
c.Assert(json.Unmarshal(body, &version), checker.IsNil)
c.Assert(version["Version"], checker.Equals, "swarm/1.0.0")
}
func (s *DockerSuite) TestDockerContainersWithOneMissingLabels(c *check.C) {
file := s.adaptFileForHost(c, "fixtures/docker/simple.toml")
defer os.Remove(file)
// Start a container with some labels
labels := map[string]string{
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"traefik.frontend.value": "my.super.host",
}
s.startContainerWithLabels(c, "swarm:1.0.0", labels, "manage", "token://blabla")
// Start traefik
cmd, display := s.traefikCmd(withConfigFile(file))
defer display(c)
err := cmd.Start()
c.Assert(err, checker.IsNil)
defer cmd.Process.Kill()
req, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/version", nil)
c.Assert(err, checker.IsNil)
req.Host = "my.super.host"
// FIXME Need to wait than 500 milliseconds more (for swarm or traefik to boot up ?)
// TODO validate : run on 80
// Expected a 404 as we did not comfigure anything
err = try.Request(req, 1500*time.Millisecond, try.StatusCodeIs(http.StatusNotFound))
c.Assert(err, checker.IsNil)
}
// TestDockerContainersWithServiceLabels allows cheking the labels behavior
// Use service label if defined and compete information with container labels.
func (s *DockerSuite) TestDockerContainersWithServiceLabels(c *check.C) {
file := s.adaptFileForHost(c, "fixtures/docker/simple.toml")
defer os.Remove(file)
// Start a container with some labels
labels := map[string]string{
label.Prefix + "servicename.frontend.rule": "Host:my.super.host",
label.TraefikFrontendRule: "Host:my.wrong.host",
label.TraefikPort: "2375",
}
s.startContainerWithLabels(c, "swarm:1.0.0", labels, "manage", "token://blabla")
// Start traefik
cmd, display := s.traefikCmd(withConfigFile(file))
defer display(c)
err := cmd.Start()
c.Assert(err, checker.IsNil)
defer cmd.Process.Kill()
req, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/version", nil)
c.Assert(err, checker.IsNil)
req.Host = "my.super.host"
// FIXME Need to wait than 500 milliseconds more (for swarm or traefik to boot up ?)
resp, err := try.ResponseUntilStatusCode(req, 1500*time.Millisecond, http.StatusOK)
c.Assert(err, checker.IsNil)
body, err := ioutil.ReadAll(resp.Body)
c.Assert(err, checker.IsNil)
var version map[string]interface{}
c.Assert(json.Unmarshal(body, &version), checker.IsNil)
c.Assert(version["Version"], checker.Equals, "swarm/1.0.0")
}
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func (s *DockerSuite) TestRestartDockerContainers(c *check.C) {
file := s.adaptFileForHost(c, "fixtures/docker/simple.toml")
defer os.Remove(file)
// Start a container with some labels
labels := map[string]string{
label.Prefix + "frontend.rule": "Host:my.super.host",
label.TraefikPort: "2375",
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}
s.startContainerWithNameAndLabels(c, "powpow", "swarm:1.0.0", labels, "manage", "token://blabla")
// Start traefik
cmd, display := s.traefikCmd(withConfigFile(file))
defer display(c)
err := cmd.Start()
c.Assert(err, checker.IsNil)
defer cmd.Process.Kill()
req, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/version", nil)
c.Assert(err, checker.IsNil)
req.Host = "my.super.host"
// FIXME Need to wait than 500 milliseconds more (for swarm or traefik to boot up ?)
resp, err := try.ResponseUntilStatusCode(req, 1500*time.Millisecond, http.StatusOK)
c.Assert(err, checker.IsNil)
body, err := ioutil.ReadAll(resp.Body)
c.Assert(err, checker.IsNil)
var version map[string]interface{}
c.Assert(json.Unmarshal(body, &version), checker.IsNil)
c.Assert(version["Version"], checker.Equals, "swarm/1.0.0")
err = try.GetRequest("http://127.0.0.1:8080/api/providers/docker/backends", 60*time.Second, try.BodyContains("powpow"))
c.Assert(err, checker.IsNil)
s.stopAndRemoveContainerByName(c, "powpow")
defer s.project.Remove(c, "powpow")
time.Sleep(5 * time.Second)
err = try.GetRequest("http://127.0.0.1:8080/api/providers/docker/backends", 10*time.Second, try.BodyContains("powpow"))
c.Assert(err, checker.NotNil)
s.startContainerWithNameAndLabels(c, "powpow", "swarm:1.0.0", labels, "manage", "token://blabla")
err = try.GetRequest("http://127.0.0.1:8080/api/providers/docker/backends", 60*time.Second, try.BodyContains("powpow"))
c.Assert(err, checker.IsNil)
}