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

package nodeagent

import (
	"fmt"
	"io/fs"
	"syscall"
)

func GetInode(fi fs.FileInfo) (uint64, error) {
	if stat, ok := fi.Sys().(*syscall.Stat_t); ok {
		return stat.Ino, nil
	}
	return 0, fmt.Errorf("unable to get inode")

package main

import (
	"context"
	"os"
	"os/signal"
	"syscall"

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

func main() {
	// Create context that cancels on termination signal
	ctx, cancel := context.WithCancel(context.Background())
	sigChan := make(chan os.Signal, 1)
	signal.Notify(sigChan, os.Interrupt, syscall.SIGTERM)
	go func(sigChan chan os.Signal, cancel context.CancelFunc) {

	@# Add a retry, as occasionally we see transient connection failures to GCS
	@# Like `curl: (56) OpenSSL SSL_read: SSL_ERROR_SYSCALL, errno 104`
	TARGET_OUT=$(TARGET_OUT) ISTIO_BIN=$(ISTIO_BIN) GOOS_LOCAL=$(GOOS_LOCAL) bin/retry.sh SSL_ERROR_SYSCALL bin/init.sh
	touch $(TARGET_OUT)/istio_is_init

.PHONY: init-ztunnel-rs
init-ztunnel-rs:
	TARGET_OUT=$(TARGET_OUT) bin/build_ztunnel.sh

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

package nodeagent

import (
	"context"
	"embed"
	"io/fs"
	"sync/atomic"
	"syscall"

	corev1 "k8s.io/api/core/v1"

	"istio.io/istio/cni/pkg/iptables"
)

//go:embed testdata/cgroupns
var fakeProc embed.FS

type fakeZtunnel struct {
	deletedPods atomic.Int32

      {{- if .Values.securityContext }}
        {{- toYaml .Values.securityContext | nindent 8 }}
      {{- else }}
        # Safe since 1.22: https://github.com/kubernetes/kubernetes/pull/103326
        sysctls:
        - name: net.ipv4.ip_unprivileged_port_start
          value: "0"
      {{- end }}
      {{- with .Values.volumes }}
      volumes:
        {{ toYaml . | nindent 8 }}
      {{- end }}
      containers:

  # Define the security context for the pod.
  # If unset, this will be automatically set to the minimum privileges required to bind to port 80 and 443.
  # On Kubernetes 1.22+, this only requires the `net.ipv4.ip_unprivileged_port_start` sysctl.
  securityContext: ~
  containerSecurityContext: ~

  service:
    # Type of service. Set to "None" to disable the service entirely
    type: LoadBalancer
    ports:
    - name: status-port
      port: 15021

    kubectl.kubernetes.io/default-logs-container: "{{ index $containers 0 }}",
    kubectl.kubernetes.io/default-container: "{{ index $containers 0 }}",
    {{ end }}
  }
spec:
  securityContext:
    sysctls:
    - name: net.ipv4.ip_unprivileged_port_start
      value: "0"
  containers:
  - name: istio-proxy
  {{- if contains "/" .Values.global.proxy.image }}

          ) | nindent 8 }}
    spec:
      {{- if ge .KubeVersion 122 }}
      {{/* safe since 1.22: https://github.com/kubernetes/kubernetes/pull/103326. */}}
      securityContext:
        sysctls:
        - name: net.ipv4.ip_unprivileged_port_start
          value: "0"
      {{- end }}
      serviceAccountName: {{.ServiceAccount | quote}}
      containers:
      - name: istio-proxy

{{- end }}
{{- if .Values.global.imagePullPolicy }}
          imagePullPolicy: {{ .Values.global.imagePullPolicy }}
{{- end }}
          command:
            - /bin/sh
          args:
            - -c
            - sysctl -w kernel.core_pattern=/var/lib/istio/data/core.proxy && ulimit -c unlimited
          securityContext:
            runAsUser: 0
            runAsGroup: 0
            runAsNonRoot: false
            privileged: true

      [ -s "${CLUSTER_KUBECONFIG}" ] && break
      sleep 3
    done

    # Enable core dumps
    retry docker exec "${CLUSTER_NAME}"-control-plane bash -c "sysctl -w kernel.core_pattern=/var/lib/istio/data/core.proxy && ulimit -c unlimited"
  }

  # Now deploy the specified number of KinD clusters and
  # wait till they are provisioned successfully.
  declare -a DEPLOY_KIND_JOBS