import (
	"bytes"
	"context"
	"fmt"
	"os"
	"strings"
	"testing"

	"github.com/google/go-cmp/cmp"
	corev1 "k8s.io/api/core/v1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	klabels "k8s.io/apimachinery/pkg/labels"
	"k8s.io/apimachinery/pkg/runtime"
	"k8s.io/apimachinery/pkg/util/intstr"

	apiannotation "istio.io/api/annotation"
	v1alpha32 "istio.io/api/networking/v1alpha3"
	"istio.io/client-go/pkg/apis/networking/v1alpha3"

metadata:
  labels:
    {{/* security.istio.io/tlsMode: istio must be set by user, if gRPC is using mTLS initialization code. We can't set it automatically. */}}
    service.istio.io/canonical-name: {{ index .ObjectMeta.Labels `service.istio.io/canonical-name` | default (index .ObjectMeta.Labels `app.kubernetes.io/name`) | default (index .ObjectMeta.Labels `app`) | default .DeploymentMeta.Name  | quote }}

			}

			if gw.Labels == nil {
				gw.Labels = map[string]string{}
			}

			gw.Labels[constants.AmbientWaypointForTrafficTypeLabel] = trafficType
		}

		if revision != "" {
			gw.Labels = map[string]string{label.IoIstioRev.Name: revision}
		}
		return &gw, nil
	}
	waypointGenerateCmd := &cobra.Command{

message DaemonSetSpec {
  // A label query over pods that are managed by the daemon set.
  // Must match in order to be controlled.
  // It must match the pod template's labels.
  // More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors
  optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector selector = 1;

  // An object that describes the pod that will be created.

    keepaliveMaxServerConnectionAge: 30m

    # Additional labels to apply to the deployment.
    deploymentLabels: {}

    ## Mesh config settings

    # Install the mesh config map, generated from values.yaml.
    # If false, pilot wil use default values (by default) or user-supplied values.
    configMap: true

    # Additional labels to apply on the pod level for monitoring and logging configuration.
    podLabels: {}

	cmd := &cobra.Command{
		Use:   "set <revision-tag>",
		Short: "Create or modify revision tags",
		Long: `Create or modify revision tags. Tag an Istio control plane revision for use with namespace istio.io/rev
injection labels.`,
		Example: `  # Create a revision tag from the "1-8-0" revision
  istioctl tag set prod --revision 1-8-0

  # Point namespace "test-ns" at the revision pointed to by the "prod" revision tag

- `istio-iptables`
    - sets up iptables to redirect a list of ports to the port envoy will listen
    - shared code with istio-init container
    - it will generate an iptables-save config, based on annotations/labels and other settings, and apply it.

### CmdAdd Sidecar Workflow

`CmdAdd` is triggered when there is a new pod created. This runs on the node, in a chain of CNI plugins - Istio is

{{- end }}
{{- end }}
  selector:
    matchLabels:
{{ $gateway.labels | toYaml | indent 6 }}
  strategy:
    rollingUpdate:
      maxSurge: {{ $gateway.rollingMaxSurge }}
      maxUnavailable: {{ $gateway.rollingMaxUnavailable }}
  template:
    metadata:
      labels:
{{ $gateway.labels | toYaml | indent 8 }}
{{- if eq .Release.Namespace "istio-system"}}
        heritage: Tiller

        name: istio-envoy
      - name: istio-data
        emptyDir: {}
      - name: istio-podinfo
        downwardAPI:
          items:
            - path: "labels"
              fieldRef:
                fieldPath: metadata.labels
            - path: "annotations"
              fieldRef:
                fieldPath: metadata.annotations
      - name: istio-token
        projected:
          sources:

  // for more examples of label selectors.
  //
  // Default to the empty LabelSelector, which matches everything.
  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector namespaceSelector = 5;

  // ObjectSelector decides whether to run the webhook based on if the
  // object has matching labels. objectSelector is evaluated against both