Example: `  # Validate bookinfo-gateway.yaml
  istioctl validate -f samples/bookinfo/networking/bookinfo-gateway.yaml

  # Validate bookinfo-gateway.yaml with shorthand syntax
  istioctl v -f samples/bookinfo/networking/bookinfo-gateway.yaml

  # Validate all yaml files under samples/bookinfo/networking directory
  istioctl validate -f samples/bookinfo/networking

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// This is a sample chained plugin that supports multiple CNI versions. It
// parses prevResult according to the cniVersion
package plugin

import (
	"fmt"

	"github.com/containernetworking/plugins/pkg/ns"

	defer xioutil.SafeClose(out)
	top := make([]*metaCacheEntry, len(in))
	nDone := 0
	ctxDone := ctx.Done()

	// Use simpler forwarder.
	if len(in) == 1 {
		for {
			select {
			case <-ctxDone:
				return ctx.Err()
			case v, ok := <-in[0]:
				if !ok {
					return nil
				}
				select {
				case <-ctxDone:

// Usage hint: Should be used at the end of the API end points tests (ex: check the last few lines of `testAPIListObjectPartsHandler`),
// need a sample HTTP request to be sent as argument so that the relevant handler is called, the handler registration is expected
// to be done since its called from within the API handler tests, the reference to the registered HTTP handler has to be sent

  kubectl -n istio-system get cm istio-sidecar-injector -o jsonpath="{.data.values}" > /tmp/values.json

  # Use kube-inject based on captured configuration
  istioctl kube-inject -f samples/bookinfo/platform/kube/bookinfo.yaml \
    --injectConfigFile /tmp/inj-template.tmpl \
    --meshConfigFile /tmp/mesh.yaml \
    --valuesFile /tmp/values.json
`,
		RunE: func(c *cobra.Command, _ []string) (err error) {

	testNSName           = "testNS"
	testSandboxDirectory = "/tmp"
	invalidVersion       = "0.1.0"
	preVersion           = "0.2.0"
)

var mockConfTmpl = `{
    "cniVersion": "%s",
	"name": "istio-plugin-sample-test",
	"type": "sample",
    "capabilities": {
        "testCapability": false
    },
    "ipam": {
        "type": "testIPAM"
    },
    "dns": {
        "nameservers": ["testNameServer"],

			wantResult: `{"_1":3}`,
		},
		{
			name:       "date_diff_month_neg",
			query:      `SELECT date_diff(MONTH, '2020-01-20T', '2019-10-20T') FROM S3Object LIMIT 1`,
			wantResult: `{"_1":-3}`,
		},
		// Examples from https://docs.aws.amazon.com/AmazonS3/latest/userguide/s3-glacier-select-sql-reference-date.html#s3-glacier-select-sql-reference-date-diff
		{
			name:       "date_diff_year",

					}
				}
				return nil
			},
			OutCapacity: 1,
			InCapacity:  0,
		}))
		errFatal(manager.RegisterSingleHandler(handlerTest2, func(payload []byte) ([]byte, *RemoteErr) {
			// Simple roundtrip
			return append([]byte{}, payload...), nil
		}))
	}
	register(local)
	register(remote)

	remoteConn := local.Connection(remoteHost)
	const testPayload = "Hello Grid World!"

			return 'a'
		case unicode.IsDigit(r):
			return '0'
		case r == '_', r == '$':
			return r
		default:
			valid = false
			return -1
		}
	}, name)

	if valid {
		// check for simple name or quoted name
		// - letter/underscore followed by one or more letter/digit/underscore
		// - any text between quotes (text cannot contain a quote itself)

		go func() {
			log.Debug("handling conn")
			if err := z.handleConn(ctx, conn); err != nil {
				log.Errorf("failed to handle conn: %v", err)
			}
		}()
	}
}

// ZDS protocol is very simple, for every message sent, and ack is sent.
// the ack only has temporal correlation (i.e. it is the first and only ack msg after the message was sent)