Update k3s CI to run all integration tests (#4358)

.github/workflows/integration.yaml

@@ -52,6 +52,8 @@ jobs:
         chmod +x ./dist/artifacts/k3s
         go test -coverpkg=./... -coverprofile=coverage.out ./pkg/... -run Integration
         go tool cover -func coverage.out
+        # these tests do not relate to coverage and must be run separately
+        go test ./tests/integration/... -run Integration 
     - name: On Failure, Launch Debug Session
       if: ${{ failure() }}
       uses: mxschmitt/action-tmate@v3

tests/integration/dualstack/dualstack_int_test.go

 package integration
 
 import (
+	"os"
 	"strings"
 	"testing"
 
@@ -18,7 +19,7 @@ var dualStackServerArgs = []string{
 	"--disable-network-policy",
 }
 var _ = BeforeSuite(func() {
-	if !testutil.IsExistingServer() {
+	if !testutil.IsExistingServer() && os.Getenv("CI") != "" {
 		var err error
 		dualStackServer, err = testutil.K3sStartServer(dualStackServerArgs...)
 		Expect(err).ToNot(HaveOccurred())
@@ -29,6 +30,8 @@ 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() {
@@ -48,7 +51,7 @@ var _ = Describe("dual stack", func() {
 })
 
 var _ = AfterSuite(func() {
-	if !testutil.IsExistingServer() {
+	if !testutil.IsExistingServer() && os.Getenv("CI") != "" {
 		Expect(testutil.K3sKillServer(dualStackServer)).To(Succeed())
 	}
 })

tests/util/cmd.go

@@ -172,7 +172,7 @@ func K3sKillServer(server *K3sServer) error {
 		return err
 	}
 	if !flock.CheckLock(lockFile) {
-		return os.Remove(lockFile)
+		return os.RemoveAll(lockFile)
 	}
 	return nil
 }