Ben Leggett <******@****.***> 1706301268 -0500

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

package nodeagent

import (
	"context"
	"errors"
	"fmt"
	"net/netip"

	"golang.org/x/sys/unix"
	corev1 "k8s.io/api/core/v1"
	"k8s.io/apimachinery/pkg/types"

	"istio.io/istio/cni/pkg/ipset"
	"istio.io/istio/cni/pkg/iptables"
	"istio.io/istio/cni/pkg/util"

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

package nodeagent

import (
	"context"
	"errors"
	"net/netip"
	"runtime"
	"sync/atomic"
	"testing"
	"time"

	"golang.org/x/sys/unix"
	corev1 "k8s.io/api/core/v1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/types"

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

package pluginlistener

import (
	"fmt"
	"net"
	"os"
	"path/filepath"

	"istio.io/istio/pkg/log"
)

func NewListener(path string) (net.Listener, error) {
	// Remove unix socket before use.
	if err := os.Remove(path); err != nil && !os.IsNotExist(err) {
		// Anything other than "file not found" is an error.

}

type updateRequest struct {
	Update []byte
	Fd     *int

	Resp chan updateResponse
}

type ZtunnelConnection struct {
	u       *net.UnixConn
	Updates chan updateRequest
}

func newZtunnelConnection(u *net.UnixConn) *ZtunnelConnection {
	return &ZtunnelConnection{u: u, Updates: make(chan updateRequest, 100)}
}

func (z *ZtunnelConnection) Close() {
	z.u.Close()
}

# The OpenShift profile provides a basic set of settings to run Istio on OpenShift
# CNI must be installed.
cni:
  cniBinDir: /var/lib/cni/bin
  cniConfDir: /etc/cni/multus/net.d
  chained: false
  cniConfFileName: "istio-cni.conf"
  excludeNamespaces:
    - istio-system
    - kube-system
  logLevel: info
  provider: "multus"
global:
  platform: openshift
pilot:
  cni:
    enabled: true

  "name": "k8s-pod-network",
  "plugins": [
    {
      "etcd_endpoints": "http://10.110.0.136:6666",
      "ipam": {
        "type": "calico-ipam"
      },
      "kubernetes": {
        "kubeconfig": "/etc/cni/net.d/calico-kubeconfig"
      },
      "log_level": "info",
      "mtu": 1500,
      "policy": {
        "type": "k8s"
      },
      "type": "calico"
    },
    {
      "capabilities": {

meshConfig:
  defaultConfig:
    proxyMetadata:
      ISTIO_META_ENABLE_HBONE: "true"
global:
  platform: openshift
cni:
  ambient:
    enabled: true
  cniBinDir: /var/lib/cni/bin
  cniConfDir: /etc/cni/multus/net.d
  chained: false
  cniConfFileName: "istio-cni.conf"
  excludeNamespaces:
    - kube-system
  logLevel: info
  privileged: true
  provider: "multus"
pilot:
  cni:
    enabled: true
    provider: "multus"

meshConfig:
  defaultConfig:
    proxyMetadata:
      ISTIO_META_ENABLE_HBONE: "true"
global:
  platform: openshift
cni:
  ambient:
    enabled: true
  cniBinDir: /var/lib/cni/bin
  cniConfDir: /etc/cni/multus/net.d
  chained: false
  cniConfFileName: "istio-cni.conf"
  logLevel: info
  privileged: true
  provider: "multus"
pilot:
  cni:
    enabled: true
    provider: "multus"
  variant: distroless
  env:

      privileged: {{ .Values.global.proxy.privileged }}
      capabilities:
    {{- if not (or .Values.pilot.cni.enabled .Values.istio_cni.enabled) }}
        add:
        - NET_ADMIN
        - NET_RAW
    {{- end }}
        drop:
        - ALL
    {{- if not (or .Values.pilot.cni.enabled .Values.istio_cni.enabled) }}
      readOnlyRootFilesystem: false
      runAsGroup: 0