linkerd2/test/egress/egress_test.go

87 lines
2.5 KiB
Go

package egress
import (
"fmt"
"os"
"testing"
"github.com/linkerd/linkerd2/testutil"
)
//////////////////////
/// TEST SETUP ///
//////////////////////
var TestHelper *testutil.TestHelper
func TestMain(m *testing.M) {
TestHelper = testutil.NewTestHelper()
os.Exit(testutil.Run(m, TestHelper))
}
//////////////////////
/// TEST EXECUTION ///
//////////////////////
func TestEgressHttp(t *testing.T) {
out, stderr, err := TestHelper.LinkerdRun("inject", "testdata/proxy.yaml")
if err != nil {
testutil.AnnotatedFatalf(t, "unexpected error", "unexpected error: %v\n%s", err, stderr)
}
prefixedNs := TestHelper.GetTestNamespace("egress-test")
err = TestHelper.CreateDataPlaneNamespaceIfNotExists(prefixedNs, nil)
if err != nil {
testutil.AnnotatedFatalf(t, "failed to create namespace", "failed to create %s namespace: %s", prefixedNs, err)
}
out, err = TestHelper.KubectlApply(out, prefixedNs)
if err != nil {
testutil.AnnotatedFatalf(t, "unexpected error", "unexpected error: %v output:\n%s", err, out)
}
err = TestHelper.CheckPods(prefixedNs, "egress-test", 1)
if err != nil {
if rce, ok := err.(*testutil.RestartCountError); ok {
testutil.AnnotatedWarn(t, "CheckPods timed-out", rce)
} else {
testutil.AnnotatedError(t, "CheckPods timed-out", err)
}
}
testCase := func(url, methodToUse string) {
testName := fmt.Sprintf("Can use egress to send %s request to (%s)", methodToUse, url)
t.Run(testName, func(t *testing.T) {
cmd := []string{
"-n", prefixedNs, "exec", "deploy/egress-test", "-c", "http-egress",
"--", "curl", "-sko", "/dev/null", "-w", "%{http_code}", "-X", methodToUse, url,
}
out, err := TestHelper.Kubectl("", cmd...)
if err != nil {
testutil.AnnotatedFatalf(t, fmt.Sprintf("failed to exec %s", cmd), "failed to exec %s: %s (%s)", cmd, err, out)
}
var status int
_, err = fmt.Sscanf(out, "%d", &status)
if err != nil {
testutil.AnnotatedFatalf(t, "failed to parse status code", "failed to parse status code (%s): %s", out, err)
}
if status < 100 || status >= 500 {
testutil.Fatalf(t, "got HTTP error code: %d\n", status)
}
})
}
supportedProtocols := []string{"http", "https"}
methods := []string{"GET", "POST"}
for _, protocolToUse := range supportedProtocols {
for _, methodToUse := range methods {
serviceName := fmt.Sprintf("%s://www.linkerd.io", protocolToUse)
testCase(serviceName, methodToUse)
}
}
// Test egress for a domain with fewer than 3 segments.
testCase("http://linkerd.io", "GET")
}