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k3s/tests/integration/flannelipv6masq/flannelipv6masq_int_test.go

79 lines
2.2 KiB

package integration
import (
"os"
"strings"
"testing"
testutil "github.com/k3s-io/k3s/tests/integration"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
)
var server *testutil.K3sServer
var dualStackServeripv6masqArgs = []string{
"--cluster-init",
"--cluster-cidr", "10.42.0.0/16,2001:cafe:42::/56",
"--service-cidr", "10.43.0.0/16,2001:cafe:43::/112",
"--disable-network-policy",
"--flannel-ipv6-masq",
}
var testLock int
var _ = BeforeSuite(func() {
if !testutil.IsExistingServer() && os.Getenv("CI") != "true" {
var err error
testLock, err = testutil.K3sTestLock()
Expect(err).ToNot(HaveOccurred())
server, err = testutil.K3sStartServer(dualStackServeripv6masqArgs...)
Expect(err).ToNot(HaveOccurred())
}
})
var _ = Describe("flannel-ipv6-masq", Ordered, func() {
BeforeEach(func() {
if testutil.IsExistingServer() && !testutil.ServerArgsPresent(dualStackServeripv6masqArgs) {
Skip("Test needs k3s server with: " + strings.Join(dualStackServeripv6masqArgs, " "))
} 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() error {
return testutil.K3sDefaultDeployments()
}, "180s", "10s").Should(Succeed())
})
It("creates pods with two IPs", func() {
Eventually(func() (string, error) {
return testutil.K3sCmd("kubectl", "exec", "deployment/traefik", "-n", "kube-system", "--", "ip", "a")
}, "5s", "1s").Should(ContainSubstring("2001:cafe:42:"))
})
It("verifies ipv6 masq iptables rule exists", func() {
Eventually(func() (string, error) {
return testutil.RunCommand("ip6tables -nt nat -L FLANNEL-POSTRTG")
}, "5s", "1s").Should(ContainSubstring("MASQUERADE"))
})
})
})
var failed bool
var _ = AfterEach(func() {
failed = failed || CurrentSpecReport().Failed()
})
var _ = AfterSuite(func() {
if !testutil.IsExistingServer() && os.Getenv("CI") != "true" {
if failed {
testutil.K3sSaveLog(server, false)
}
Expect(testutil.K3sKillServer(server)).To(Succeed())
Expect(testutil.K3sCleanup(testLock, "")).To(Succeed())
}
})
func Test_IntegrationFlannelIpv6Masq(t *testing.T) {
RegisterFailHandler(Fail)
RunSpecs(t, "flannel-ipv6-masq Suite")
}