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scoped.go
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scoped.go
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package images
import (
"fmt"
"net/http"
"strconv"
"strings"
"time"
g "github.com/onsi/ginkgo"
o "github.com/onsi/gomega"
kapi "k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/util/wait"
e2e "k8s.io/kubernetes/test/e2e/framework"
exutil "github.com/openshift/origin/test/extended/util"
)
var _ = g.Describe("[networking][router] openshift routers", func() {
defer g.GinkgoRecover()
var (
configPath = exutil.FixturePath("testdata", "scoped-router.yaml")
oc = exutil.NewCLI("scoped-router", exutil.KubeConfigPath())
)
g.BeforeEach(func() {
// defer oc.Run("delete").Args("-f", configPath).Execute()
err := oc.AsAdmin().Run("adm").Args("policy", "add-cluster-role-to-user", "system:router", oc.Username()).Execute()
o.Expect(err).NotTo(o.HaveOccurred())
err = oc.Run("create").Args("-f", configPath).Execute()
o.Expect(err).NotTo(o.HaveOccurred())
})
g.Describe("The HAProxy router", func() {
g.It("should serve the correct routes when scoped to a single namespace and label set", func() {
oc.SetOutputDir(exutil.TestContext.OutputDir)
ns := oc.KubeFramework().Namespace.Name
execPodName := exutil.CreateExecPodOrFail(oc.AdminKubeClient().Core(), ns, "execpod")
defer func() { oc.AdminKubeClient().Core().Pods(ns).Delete(execPodName, kapi.NewDeleteOptions(1)) }()
g.By(fmt.Sprintf("creating a scoped router from a config file %q", configPath))
var routerIP string
err := wait.Poll(time.Second, 2*time.Minute, func() (bool, error) {
pod, err := oc.KubeFramework().Client.Pods(oc.KubeFramework().Namespace.Name).Get("scoped-router")
if err != nil {
return false, err
}
if len(pod.Status.PodIP) == 0 {
return false, nil
}
routerIP = pod.Status.PodIP
return true, nil
})
o.Expect(err).NotTo(o.HaveOccurred())
// router expected to listen on port 80
routerURL := fmt.Sprintf("http://%s", routerIP)
g.By("waiting for the healthz endpoint to respond")
healthzURI := fmt.Sprintf("http://%s:1936/healthz", routerIP)
err = waitForRouterOKResponseExec(ns, execPodName, healthzURI, routerIP, 60*2)
o.Expect(err).NotTo(o.HaveOccurred())
g.By("waiting for the valid route to respond")
err = waitForRouterOKResponseExec(ns, execPodName, routerURL, "first.example.com", 60*2)
o.Expect(err).NotTo(o.HaveOccurred())
for _, host := range []string{"second.example.com", "third.example.com"} {
g.By(fmt.Sprintf("checking that %s does not match a route", host))
err = expectRouteStatusCodeExec(ns, execPodName, routerURL, host, http.StatusServiceUnavailable)
o.Expect(err).NotTo(o.HaveOccurred())
}
})
g.It("should override the route host with a custom value", func() {
oc.SetOutputDir(exutil.TestContext.OutputDir)
ns := oc.KubeFramework().Namespace.Name
execPodName := exutil.CreateExecPodOrFail(oc.AdminKubeClient().Core(), ns, "execpod")
defer func() { oc.AdminKubeClient().Core().Pods(ns).Delete(execPodName, kapi.NewDeleteOptions(1)) }()
g.By(fmt.Sprintf("creating a scoped router from a config file %q", configPath))
var routerIP string
err := wait.Poll(time.Second, 2*time.Minute, func() (bool, error) {
pod, err := oc.KubeFramework().Client.Pods(ns).Get("router-override")
if err != nil {
return false, err
}
if len(pod.Status.PodIP) == 0 {
return false, nil
}
routerIP = pod.Status.PodIP
return true, nil
})
o.Expect(err).NotTo(o.HaveOccurred())
// router expected to listen on port 80
routerURL := fmt.Sprintf("http://%s", routerIP)
pattern := "%s-%s.myapps.mycompany.com"
g.By("waiting for the healthz endpoint to respond")
healthzURI := fmt.Sprintf("http://%s:1936/healthz", routerIP)
err = waitForRouterOKResponseExec(ns, execPodName, healthzURI, routerIP, 60*2)
o.Expect(err).NotTo(o.HaveOccurred())
oc.KubeFramework().Client.Pods(ns)
g.By("waiting for the valid route to respond")
err = waitForRouterOKResponseExec(ns, execPodName, routerURL, fmt.Sprintf(pattern, "route-1", ns), 60*2)
o.Expect(err).NotTo(o.HaveOccurred())
g.By("checking that the stored domain name does not match a route")
host := "first.example.com"
err = expectRouteStatusCodeExec(ns, execPodName, routerURL, host, http.StatusServiceUnavailable)
o.Expect(err).NotTo(o.HaveOccurred())
for _, host := range []string{"route-1", "route-2"} {
host = fmt.Sprintf(pattern, host, ns)
g.By(fmt.Sprintf("checking that %s matches a route", host))
err = expectRouteStatusCodeExec(ns, execPodName, routerURL, host, http.StatusOK)
o.Expect(err).NotTo(o.HaveOccurred())
}
})
})
})
func waitForRouterOKResponseExec(ns, execPodName, url, host string, timeoutSeconds int) error {
cmd := fmt.Sprintf(`
set -e
for i in $(seq 1 %d); do
code=$( curl -s -o /dev/null -w '%%{http_code}\n' --header 'Host: %s' %q )
echo $code
if [[ $code -eq 200 ]]; then
exit 0
fi
if [[ $code -ne 503 ]]; then
exit 1
fi
sleep 1
done
`, timeoutSeconds, host, url)
output, err := e2e.RunHostCmd(ns, execPodName, cmd)
if err != nil {
return fmt.Errorf("host command failed: %v\n%s", err, output)
}
lines := strings.Split(strings.TrimSpace(output), "\n")
if lines[len(lines)-1] != "200" {
return fmt.Errorf("last response from server was not 200:\n%s", output)
}
return nil
}
func expectRouteStatusCodeRepeatedExec(ns, execPodName, url, host string, statusCode int, times int) error {
cmd := fmt.Sprintf(`
set -e
for i in $(seq 1 %d); do
code=$( curl -s -o /dev/null -w '%%{http_code}\n' --header 'Host: %s' %q )
echo $code
if [[ $code -ne %d ]]; then
exit 1
fi
done
`, times, host, url, statusCode)
output, err := e2e.RunHostCmd(ns, execPodName, cmd)
if err != nil {
return fmt.Errorf("host command failed: %v\n%s", err, output)
}
return nil
}
func expectRouteStatusCodeExec(ns, execPodName, url, host string, statusCode int) error {
cmd := fmt.Sprintf("curl -s -o /dev/null -w '%%{http_code}' --header 'Host: %s' %q", host, url)
output, err := e2e.RunHostCmd(ns, execPodName, cmd)
if err != nil {
return fmt.Errorf("host command failed: %v\n%s", err, output)
}
if output != strconv.Itoa(statusCode) {
return fmt.Errorf("last response from server was not %d: %s", statusCode, output)
}
return nil
}
func getAuthenticatedRouteURLViaPod(ns, execPodName, url, host, user, pass string) (string, error) {
cmd := fmt.Sprintf("curl -s -u %s:%s --header 'Host: %s' %q", user, pass, host, url)
output, err := e2e.RunHostCmd(ns, execPodName, cmd)
if err != nil {
return "", fmt.Errorf("host command failed: %v\n%s", err, output)
}
return output, nil
}