k3s/tests/integration/dualstack/dualstack_int_test.go

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package integration
import (
"os"
"strings"
"testing"
. "github.com/onsi/ginkgo"
"github.com/onsi/ginkgo/reporters"
. "github.com/onsi/gomega"
testutil "github.com/rancher/k3s/tests/util"
)
var dualStackServer *testutil.K3sServer
var dualStackServerArgs = []string{
"--cluster-init",
"--cluster-cidr 10.42.0.0/16,2001:cafe:42:0::/56",
"--service-cidr 10.43.0.0/16,2001:cafe:42:1::/112",
"--disable-network-policy",
}
var _ = BeforeSuite(func() {
if !testutil.IsExistingServer() && os.Getenv("CI") != "true" {
var err error
dualStackServer, err = testutil.K3sStartServer(dualStackServerArgs...)
Expect(err).ToNot(HaveOccurred())
}
})
var _ = Describe("dual stack", func() {
BeforeEach(func() {
if testutil.IsExistingServer() && !testutil.ServerArgsPresent(dualStackServerArgs) {
Skip("Test needs k3s server with: " + strings.Join(dualStackServerArgs, " "))
} else if os.Getenv("CI") == "true" {
Skip("Github environment does not support IPv6")
}
})
When("a ipv4 and ipv6 cidr is present", func() {
It("starts up with no problems", func() {
Eventually(func() (string, error) {
return testutil.K3sCmd("kubectl", "get", "pods", "-A")
}, "180s", "5s").Should(MatchRegexp("kube-system.+traefik.+1\\/1.+Running"))
})
It("creates pods with two IPs", func() {
podname, err := testutil.K3sCmd("kubectl", "get", "pods", "-n", "kube-system", "-o", "jsonpath={.items[?(@.metadata.labels.app\\.kubernetes\\.io/name==\"traefik\")].metadata.name}")
Expect(err).NotTo(HaveOccurred())
Eventually(func() (string, error) {
return testutil.K3sCmd("kubectl", "exec", podname, "-n", "kube-system", "--", "ip", "a")
}, "5s", "1s").Should(ContainSubstring("2001:cafe:42:"))
})
})
})
var _ = AfterSuite(func() {
if !testutil.IsExistingServer() && os.Getenv("CI") != "true" {
Expect(testutil.K3sKillServer(dualStackServer, false)).To(Succeed())
Expect(testutil.K3sCleanup(dualStackServer, true)).To(Succeed())
}
})
func Test_IntegrationDualStack(t *testing.T) {
RegisterFailHandler(Fail)
RunSpecsWithDefaultAndCustomReporters(t, "Dual-Stack Suite", []Reporter{
reporters.NewJUnitReporter("/tmp/results/junit-ls.xml"),
})
}