cpanato <******@****.***> 1717690383 +0200

zirain <******@****.***> 1713809620 +0800

// Internal helper: returns normalized build version (with "v" prefix if needed)
// If input doesn't match known version pattern, returns empty string.
func normalizedBuildVersion(version string) string {
	if kubeReleaseRegex.MatchString(version) {
		if strings.HasPrefix(version, "v") {
			return version
		}
		return "v" + version
	}
	return ""
}

// Internal helper: split version parts,

cpanato <******@****.***> 1717690383 +0200

// license that can be found in the LICENSE file.

package version

import (
	"fmt"
	"io"

	"internal/trace/event"
	"internal/trace/event/go122"
)

// Version represents the version of a trace file.
type Version uint32

const (
	Go111   Version = 11
	Go119   Version = 19
	Go121   Version = 21
	Go122   Version = 22
	Go123   Version = 23
	Current         = Go123
)

// limitations under the License.

package kube

import (
	"fmt"
	"strconv"

	"k8s.io/apimachinery/pkg/util/version"
	kubeVersion "k8s.io/apimachinery/pkg/version"
)

// IsAtLeastVersion returns true if the client is at least the specified version.
// For example, on Kubernetes v1.15.2, IsAtLeastVersion(13) == true, IsAtLeastVersion(17) == false
func IsAtLeastVersion(client Client, minorVersion uint) bool {

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

package version

import (
	"time"

	pkgversion "istio.io/istio/operator/pkg/version"
	buildversion "istio.io/istio/pkg/version"
)

const (
	// OperatorCodeBaseVersion is the version string from the code base.
	OperatorCodeBaseVersion = "1.23.0"
	OperatorEOLYear         = 2025

func asGoVersion(v string) goVersion {
	return goVersion(version.Lang(v))
}

// isValid reports whether v is a valid Go version.
func (v goVersion) isValid() bool {
	return v != ""
}

// cmp returns -1, 0, or +1 depending on whether x < y, x == y, or x > y,
// interpreted as Go versions.
func (x goVersion) cmp(y goVersion) int {
	return version.Compare(string(x), string(y))
}

var (

	// goStrictVersion is the Go version at which the Go versions
	// became "strict" in the sense that, restricted to modules at this version
	// or later, every module must have a go version line ≥ all its dependencies.
	// It is also the version after which "too new" a version is considered a fatal error.
	GoStrictVersion = "1.21"

	// ExplicitModulesTxtImportVersion is the Go version at which vendored packages need to be present

  istioctl x version

  # Retrieve version information directly from the control plane, using RSA certificate security
  # (Certificates must be obtained before this step.  The --cert-dir flag lets istioctl bypass the Kubernetes API server.)
  istioctl x version --xds-address istio.example.com:15012 --cert-dir ~/.istio-certs