}

func Open(path string, mode int, perm uint32) (fd int, err error) {
	return openat(_AT_FDCWD, path, mode|O_LARGEFILE, perm)
}

//sys	openat(dirfd int, path string, flags int, mode uint32) (fd int, err error)

func Openat(dirfd int, path string, flags int, mode uint32) (fd int, err error) {
	return openat(dirfd, path, flags|O_LARGEFILE, mode)
}

func Pipe(p []int) error {
	return Pipe2(p, 0)
}

| -istio.test.helmRepo | string | Overwrite the default helm Repo used for the tests. |
| -istio.test.ambient | bool | Indicate the use of ambient mesh. |
| -istio.test.openshift | bool | Set to `true` when running the tests in an OpenShift cluster, rather than in KinD. |

## Notes

### Running on a Mac

* Currently some _native_ tests fail when being run on a Mac with an error like:

```plain

	github.com/miekg/dns v1.1.59
	github.com/mitchellh/copystructure v1.2.0
	github.com/mitchellh/go-homedir v1.1.0
	github.com/moby/buildkit v0.13.2
	github.com/onsi/gomega v1.33.1
	github.com/openshift/api v0.0.0-20240530053948-b01900f1982a
	github.com/pires/go-proxyproto v0.7.0
	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2
	github.com/prometheus/client_golang v1.19.1

See the License for the specific language governing permissions and
limitations under the License.
*/

package reconcilers

/*
Original Source:
https://github.com/openshift/origin/blob/bb340c5dd5ff72718be86fb194dedc0faed7f4c7/pkg/cmd/server/election/lease_endpoint_reconciler.go
*/

import (
	"fmt"
	"net"
	"path"
	"sync"
	"sync/atomic"
	"time"

	"k8s.io/klog/v2"

		nsConfig.Get(helmtest.IstiodReleaseName), overrideValuesFile, helmtest.Timeout)
	if err != nil {
		ctx.Fatalf("failed to upgrade istio %s chart", helmtest.IstiodReleaseName)
	}

	if isAmbient || ctx.Settings().OpenShift {
		// Upgrade istio-cni chart
		err = h.UpgradeChart(helmtest.CniReleaseName, filepath.Join(helmtest.ManifestsChartPath, helmtest.CniChartsDir),
			nsConfig.Get(helmtest.CniReleaseName), overrideValuesFile, helmtest.Timeout)

	MOVD	40(R0), R4	// a5
	MOVD	48(R0), R5	// a6
	MOVD	8(R0), R0	// a1

	// If fn is declared as vararg, we have to pass the vararg arguments on the stack.
	// See syscall above. The only function this applies to is openat, for which the 4th
	// arg must be on the stack.
	MOVD	R3, (RSP)

	BL	(R12)

	MOVD	8(RSP), R2	// pop structure pointer
	ADD	$16, RSP
	MOVD	R0, 56(R2)	// save r1
	MOVD	R1, 64(R2)	// save r2

//sys	Mknodat(dirfd int, path string, mode uint32, dev int) (err error)
//sys	Nanosleep(time *Timespec, leftover *Timespec) (err error)
//sys	Open(path string, mode int, perm uint32) (fd int, err error)
//sys	Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error)
//sys	Pathconf(path string, name int) (val int, err error)
//sys	pread(fd int, p []byte, offset int64) (n int, err error)

//sys	Mknodat(fd int, path string, mode uint32, dev int) (err error)
//sys	Nanosleep(time *Timespec, leftover *Timespec) (err error)
//sys	Open(path string, mode int, perm uint32) (fd int, err error)
//sys	Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error)
//sys	Pathconf(path string, name int) (val int, err error)
//sys	read(fd int, p []byte) (n int, err error)

//sys	Mknodat(dirfd int, path string, mode uint32, dev int) (err error)
//sys	Nanosleep(time *Timespec, leftover *Timespec) (err error)
//sys	Open(path string, mode int, perm uint32) (fd int, err error)
//sys	Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error)
//sys	Pathconf(path string, name int) (val int, err error)
//sys	pread(fd int, p []byte, offset int64) (n int, err error)

	// GKE requires deployment in kube-system namespace.
	if strings.Contains(ver.GitVersion, "-gke") {
		return "components.cni.namespace=kube-system"
	}
	// TODO: OpenShift
	return ""
}

// makeTreeFromSetList creates a YAML tree from a string slice containing key-value pairs in the format key=value.
func makeTreeFromSetList(setOverlay []string) (string, error) {