// limitations under the License.

package admin

import (
	"bytes"
	"context"
	"encoding/json"
	"errors"
	"fmt"
	"io"
	"net/http"
	"net/url"
	"regexp"
	"sort"
	"strings"
	"sync"
	"text/tabwriter"

	"github.com/spf13/cobra"
	"sigs.k8s.io/yaml"

	"istio.io/api/label"
	"istio.io/istio/istioctl/pkg/cli"
	"istio.io/istio/istioctl/pkg/clioptions"

		os.RemoveAll(tempDirJSON)
		os.RemoveAll(validTempDirJSON)
	})

	cases := []struct {
		name           string
		args           []string
		wantError      bool
		expectedRegexp *regexp.Regexp // Expected regexp output
	}{
		{
			name:      "valid port naming service",
			args:      []string{"--filename", validPortNamingSvcFile},
			wantError: false,
		},
		{

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

package proxyconfig

import (
	"context"
	"errors"
	"fmt"
	"io"
	"os"
	"regexp"
	"strings"

	"github.com/hashicorp/go-multierror"
	"github.com/spf13/cobra"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"sigs.k8s.io/yaml"

	"istio.io/istio/istioctl/pkg/cli"

// regexes listed here have to exclusively match a cgroup path
// the regexes must include two named groups "poduid" and "containerid"
// if the regex needs to exclude certain substrings, the "mustnotmatch" group can be used
// nolint: lll
var cgroupREs = []*regexp.Regexp{
	// the regex used to parse out the pod UID and container ID from a
	// cgroup name. It assumes that any ".scope" suffix has been trimmed off

func (o *ObjectSet) size() int {
	return len(o.keySlice)
}

// nameMatches returns a subset of o where objects names match the given regex.
func (o *ObjectSet) nameMatches(nameRegex string) *ObjectSet {
	ret := &ObjectSet{}
	for k, v := range o.objMap {
		_, _, objName := object.FromHash(k)
		m, err := regexp.MatchString(nameRegex, objName)
		if err != nil {
			log.Error(err.Error())
			continue
		}
		if m {
			ret.append(v)
		}

  exclude:
    - composite literal uses unkeyed fields
  # Which dirs to exclude: issues from them won't be reported.
  # Can use regexp here: `generated.*`, regexp is applied on full path,
  # including the path prefix if one is set.
  # Default dirs are skipped independently of this option's value (see exclude-dirs-use-default).
  # "/" will be replaced by current OS file path separator to properly work on Windows.

	}
	if match.GetPath() != "" {
		conds = append(conds, match.GetPath())
	}
	if match.GetSafeRegex() != nil {
		conds = append(conds, fmt.Sprintf("regex %s", match.GetSafeRegex().Regex))
	}
	// Ignore headers
	return strings.Join(conds, " ")
}

// PrintListenerDump prints the relevant listeners in the config dump to the ConfigWriter stdout

  //   CamelCase names
  // - cloud provider specific error values must have names that comply with the
  //   format foo.example.com/CamelCase.
  // ---
  // The regex it matches is (dns1123SubdomainFmt/)?(qualifiedNameFmt)
  // +optional
  // +kubebuilder:validation:Required

  // the associated expression.
  // Name must be a qualified name consisting of alphanumeric characters, '-', '_' or '.', and
  // must start and end with an alphanumeric character (e.g. 'MyName',  or 'my.name',  or
  // '123-abc', regex used for validation is '([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9]') with an
  // optional DNS subdomain prefix and '/' (e.g. 'example.com/MyName')
  //
  // Required.
  optional string name = 1;

  //   CamelCase names
  // - cloud provider specific error values must have names that comply with the
  //   format foo.example.com/CamelCase.
  // ---
  // The regex it matches is (dns1123SubdomainFmt/)?(qualifiedNameFmt)
  // +optional
  // +kubebuilder:validation:Required