// The expected cgroup format is "hierarchy-ID:controller-list:cgroup-path", and
// this function will return an error if every cgroup does not meet that format.
//
// For more information, see:
//   - http://man7.org/linux/man-pages/man7/cgroups.7.html
//   - https://www.kernel.org/doc/Documentation/cgroup-v2.txt
func GetCgroups(procCgroupData bytes.Buffer) ([]Cgroup, error) {
	reader := bytes.NewReader(procCgroupData.Bytes())
	var cgroups []Cgroup

				return nil, fmt.Errorf(" You must provide a proxyID in the query string, e.g. [%s]",
					"edsz?proxyID=istio-ingressgateway")

			case strings.Contains(eString, "404 page not found"):
				return HandlerForRetrieveDebugList(kubeClient, *centralOpts, writer, istioNamespace)

			case strings.Contains(eString, "querystring parameter 'resource' is required"):

				"http://%s", bindAddress, controlZport, client, c.OutOrStdout(), browser)
		},
	}

	return cmd
}

// istioDebugDashCmd port-forwards to istio monitoring port; open browser to the debug page
func istioDebugDashCmd(ctx cli.Context) *cobra.Command {
	var opts clioptions.ControlPlaneOptions
	cmd := &cobra.Command{
		Use:   "istiod-debug [<type>/]<name>[.<namespace>]",
		Short: "Open Istio debug web UI",

		}
	}
	// Enable if LDAP is enabled.
	if globalIAMSys.LDAPConfig.Enabled() {
		os.Setenv("CONSOLE_LDAP_ENABLED", config.EnableOn)
	}
	// Handle animation in welcome page
	if value := env.Get(config.EnvBrowserLoginAnimation, "on"); value != "" {
		os.Setenv("CONSOLE_ANIMATED_LOGIN", value)
	}

	// Pass on the session duration environment variable, else we will default to 12 hours

			Prefixes: []string{"apache2-doc/", "apache2/", "azerty/"},
		},
	}

	testCases := []struct {
		// Inputs to ListObjects.
		bucketName string
		prefix     string
		delimiter  string
		page       int
		// Expected output of ListObjects.
		result ListObjectsInfo
	}{
		{testBuckets[0], "", "", 1, resultCases[0]},
		{testBuckets[0], "a", "", 1, resultCases[0]},

			}
			return nil, dmTime, errUnsupportedDisk
		}
		return nil, dmTime, err
	}

	if discard {
		// This discard is mostly true for DELETEEs
		// so we need to make sure we do not keep
		// page-cache references after.
		defer disk.Fdatasync(f)
	}

	defer f.Close()

	// Get size for precise allocation.
	stat, err := f.Stat()
	if err != nil {
		buf, err = io.ReadAll(f)

	return MetricDescription{
		Namespace: nodeMetricNamespace,
		Subsystem: ioSubsystem,
		Name:      wcharBytes,
		Help:      "Total bytes written by the process to the underlying storage system including page cache, /proc/[pid]/io wchar",
		Type:      counterMetric,
	}
}

func getMinioProcessIOReadCachedBytesMD() MetricDescription {
	return MetricDescription{
		Namespace: nodeMetricNamespace,

	it := gcs.client.Bucket(gcs.Bucket).Objects(ctx, &storage.Query{
		Delimiter: "/",
		Prefix:    gcs.Prefix,
		Versions:  false,
	})
	pager := iterator.NewPager(it, 1, "")
	gcsObjects := make([]*storage.ObjectAttrs, 0)
	_, err := pager.NextPage(&gcsObjects)
	if err != nil {
		return false, gcsToObjectError(err, gcs.Bucket, gcs.Prefix)
	}
	if len(gcsObjects) > 0 {
		return true, nil
	}

	processIOWCharBytesMD             = NewCounterMD(processIOWCharBytes, "Total bytes written by the process to the underlying storage system including page cache, /proc/[pid]/io wchar")
	processIOWriteBytesMD             = NewCounterMD(processIOWriteBytes, "Total bytes written by the process to the underlying storage system, /proc/[pid]/io write_bytes")

		return 0
	}
	if limit == cgroupMemNoLimit {
		// No limit set, It's the highest positive signed 64-bit
		// integer (2^63-1), rounded down to multiples of 4096 (2^12),
		// the most common page size on x86 systems - for cgroup_limits.
		return 0
	}
	return limit
}

func availableMemory() (available uint64) {
	available = 2048 * blockSizeV2 * 2 // Default to 4 GiB when we can't find the limits.