const (
	labelKey  = "internal.istio.io/distribution-report"
	dataField = "distribution-report"
)

// Init starts all the read only features of the reporter, used for nonce generation
// and responding to istioctl wait.
func (r *Reporter) Init(ledger ledger.Ledger, stop <-chan struct{}) {
	r.ledger = ledger
	if r.clock == nil {
		r.clock = clock.RealClock{}
	}
	r.distributionEventQueue = make(chan distributionEvent, 100_000)

	InjectionWebhookConfigName = env.Register("INJECTION_WEBHOOK_CONFIG_NAME", "istio-sidecar-injector",
		"Name of the mutatingwebhookconfiguration to patch, if istioctl is not used.").Get()

	ValidationWebhookConfigName = env.Register("VALIDATION_WEBHOOK_CONFIG_NAME", "istio-istio-system",

	// since they are functioned differently with different name.
	// The filtered common labels are then added to the incoming generated
	// webhooks, which aids in managing these webhooks via the istioctl/operator.
	filteredLabels := make(map[string]string)
	for k, v := range wh.Labels {
		if k != "app" {
			filteredLabels[k] = v
		}
	}

	return &tagWebhookConfig{
		Tag:            tagName,

	// Indicates that the test should deploy Istio's east west gateway into the target Kubernetes cluster
	// before running tests.
	DeployEastWestGW bool

	// DumpKubernetesManifests will cause Kubernetes YAML generated by istioctl install/generate to be dumped to artifacts.
	DumpKubernetesManifests bool

	// IstiodlessRemotes makes remote clusters run without istiod, using webhooks/ca from the primary cluster.

	"k8s.io/client-go/dynamic"
	"k8s.io/client-go/kubernetes/scheme"
	"sigs.k8s.io/controller-runtime/pkg/client"

	"istio.io/api/label"
	operatprv1alpha1 "istio.io/api/operator/v1alpha1"
	"istio.io/istio/istioctl/pkg/clioptions"
	operator_istio "istio.io/istio/operator/pkg/apis/istio"
	"istio.io/istio/operator/pkg/apis/istio/v1alpha1"
	"istio.io/istio/operator/pkg/controlplane"
	"istio.io/istio/operator/pkg/helmreconciler"

        - Pod has `istio-init` initContainer - this indicates a pod running its own injection setup.
1. Return prevResult

## Troubleshooting

### Collecting Logs

#### Using `istioctl`/helm

- Set: `values.global.logging.level="cni:debug,ambient:debug"`
- Inspect the pod logs of a `istio-cni` Daemonset pod on a specific node.

#### From a specific node syslog

	Shutdown()

	// ClusterID returns the cluster this client is connected to
	ClusterID() cluster.ID
}

// CLIClient is an extended client with additional helpers/functionality for Istioctl and testing.
// CLIClient is not appropriate for controllers, as it does a number of highly privileged or highly risky operations
// such as `exec`, `port-forward`, etc.
type CLIClient interface {
	Client

func mergeWebhooks(whs ...[]v1.MutatingWebhook) []v1.MutatingWebhook {
	res := []v1.MutatingWebhook{}
	for _, wh := range whs {
		res = append(res, wh...)
	}
	return res
}

const (
	// istioctl manifest generate --set values.sidecarInjectorWebhook.useLegacySelectors=true
	legacyDefaultInjector = `
apiVersion: admissionregistration.k8s.io/v1
kind: MutatingWebhookConfiguration
metadata:

	"sigs.k8s.io/controller-runtime/pkg/predicate"
	"sigs.k8s.io/controller-runtime/pkg/reconcile"
	"sigs.k8s.io/controller-runtime/pkg/source"
	"sigs.k8s.io/yaml"

	"istio.io/api/operator/v1alpha1"
	revtag "istio.io/istio/istioctl/pkg/tag"
	"istio.io/istio/operator/pkg/apis/istio"
	iopv1alpha1 "istio.io/istio/operator/pkg/apis/istio/v1alpha1"
	"istio.io/istio/operator/pkg/cache"
	"istio.io/istio/operator/pkg/helm"

	if len(p) == 0 {
		return "unknown"
	}
	return filepath.Base(p)
}

// IstioUserAgent returns the user agent string based on the command being used.
// example: pilot-discovery/1.9.5 or istioctl/1.10.0
// This is a specialized version of rest.DefaultKubernetesUserAgent()
func IstioUserAgent() string {
	return adjustCommand(os.Args[0]) + "/" + istioversion.Info.Version
}