function fail {
  echo "${1}" >&2
  exit 1
}

function isatty() {
 if [ -t 1 ] ; then
   return 0
  else
   return 1
  fi
}

function retry {
  local tmpFile
  tmpFile=$(mktemp)
  trap 'rm -f "${tmpFile}"' EXIT

  local failureRegex="$1"
  shift
  local n=1
  local max=5
  while true; do
    unset SHELL # Don't let environment control which shell to use
    if isatty; then

                          "typed_config": {
                            "@type": "type.googleapis.com/envoy.extensions.request_id.uuid.v3.UuidRequestIdConfig",
                            "use_request_id_for_trace_sampling": true
                          }
                        },
                        "path_with_escaped_slashes_action": "KEEP_UNCHANGED"
                      }
                    }
                  ],

  // otherwise identical (parallel requests, requests when earlier requests did not modify etc)
  // The UID is meant to track the round trip (request/response) between the KAS and the WebHook, not the user request.
  // It is suitable for correlating log entries between the webhook and apiserver, for either auditing or debugging.
  optional string uid = 1;

	// once the pod restarts (in CrashLoopBackoff), which can take some time.
	// We don't want to constantly try to apply the iptables rules, which is unneeded and will fail.
	// Instead, we track which UIDs we repaired and skip them if already repaired.
	//
	// An alternative would be to write something to the Pod (status, annotation, etc).
	// However, this requires elevated privileges we want to avoid

      includeIPRanges: "*"
      excludeIPRanges: ""
      includeOutboundPorts: ""
      excludeOutboundPorts: ""

      # Log level for proxy, applies to gateways and sidecars.
      # Expected values are: trace|debug|info|warning|error|critical|off
      logLevel: warning

      #If set to true, istio-proxy container will have privileged securityContext
      privileged: false

                          "typed_config": {
                            "@type": "type.googleapis.com/envoy.extensions.request_id.uuid.v3.UuidRequestIdConfig",
                            "use_request_id_for_trace_sampling": true
                          }
                        },
                        "path_with_escaped_slashes_action": "KEEP_UNCHANGED"
                      }
                    }
                  ],

  IMAGE="${1:-"${DEFAULT_KIND_IMAGE}"}"
  KUBECONFIG_DIR="${ARTIFACTS:-$(mktemp -d)}/kubeconfig"
  IP_FAMILY="${2:-ipv4}"

  check_default_cluster_yaml

  # Trap replaces any previous trap's, so we need to explicitly cleanup clusters here
  trap cleanup_kind_clusters EXIT

  function deploy_kind() {
    IDX="${1}"
    CLUSTER_NAME="${CLUSTER_NAMES[$IDX]}"
    CLUSTER_POD_SUBNET="${CLUSTER_POD_SUBNETS[$IDX]}"

			"Possible values for <level>: none, error, warn, info, debug")
	logCmd.PersistentFlags().StringVar(&stackTraceLevel, "stack-trace-level", stackTraceLevel,
		"Comma-separated list of stack trace level for scopes in the format of <scope>:<stack-trace-level>[,<scope>:<stack-trace-level>,...]. "+
			"Possible values for <stack-trace-level>: none, error, warn, info, debug")
	logCmd.PersistentFlags().StringVarP(&outputFormat, "output", "o",

  name: hello
spec:
  replicas: 7
  selector:
    matchLabels:
      app: hello
      tier: backend
      track: stable
  template:
    metadata:
      annotations:
        proxy.istio.io/config: '{ "holdApplicationUntilProxyStarts": true }'
      labels:
        app: hello
        tier: backend
        track: stable
    spec:
      containers:
        - name: hello

apiVersion: apps/v1
kind: Deployment
metadata:
  creationTimestamp: null
  name: hello
spec:
  replicas: 7
  selector:
    matchLabels:
      app: hello
      tier: backend
      track: stable
  strategy: {}
  template:
    metadata:
      annotations:
        prometheus.io/path: /stats/prometheus
        prometheus.io/port: "15020"
        prometheus.io/scrape: "true"