package dns

// Error - DNS related errors error.
type Error struct {
	Bucket string
	Err    error
}

// ErrInvalidBucketName for buckets with invalid name
type ErrInvalidBucketName Error

func (e ErrInvalidBucketName) Error() string {
	return e.Bucket + " invalid bucket name error: " + e.Err.Error()
}

func (e Error) Error() string {
	return "dns related error: " + e.Err.Error()
}

import (
	"github.com/spf13/cobra"

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

// OperatorCmd is a group of commands related to installation and management of the operator controller.
func OperatorCmd(ctx cli.Context) *cobra.Command {
	oc := &cobra.Command{
		Use:   "operator",
		Short: "Commands related to Istio operator controller.",
		Long:  "The operator command installs, dumps, removes and shows the status of the operator controller.",

	"time"

	"github.com/dustin/go-humanize"
	"github.com/minio/minio/internal/config"
	xhttp "github.com/minio/minio/internal/http"
	"github.com/minio/pkg/v2/env"
	"github.com/tinylib/msgp/msgp"
)

// Cache related keys
const (
	Enable    = "enable"
	Endpoint  = "endpoint"
	BlockSize = "block_size"

	EnvEnable    = "MINIO_CACHE_ENABLE"
	EnvEndpoint  = "MINIO_CACHE_ENDPOINT"
	EnvBlockSize = "MINIO_CACHE_BLOCK_SIZE"
)

		return false
	}

	// Headers to be set of object content is not going to be written to the client.
	writeHeaders := func() {
		// set common headers
		setCommonHeaders(w)

		// set object-related metadata headers
		w.Header().Set(xhttp.LastModified, objInfo.ModTime.UTC().Format(http.TimeFormat))

		if objInfo.ETag != "" {
			w.Header()[xhttp.ETag] = []string{"\"" + objInfo.ETag + "\""}
		}
	}

	driveHealing                 = "healing"
	driveOnline                  = "online"

	driveOfflineCount = "offline_count"
	driveOnlineCount  = "online_count"
	driveCount        = "count"

	// iostat related
	driveReadsPerSec    = "reads_per_sec"
	driveReadsKBPerSec  = "reads_kb_per_sec"
	driveReadsAwait     = "reads_await"
	driveWritesPerSec   = "writes_per_sec"
	driveWritesKBPerSec = "writes_kb_per_sec"

	Tag      string `json:"tag,omitempty"`
}

// NsInfo represents namespace related information like pods running there.
// It is used to display data and is exposed for integration tests.
type NsInfo struct {
	Name string             `json:"name,omitempty"`
	Pods []*PodFilteredInfo `json:"pods,omitempty"`
}

// RevisionDescription is used to display revision related information.
// This is exposed for integration tests.

	Used     float64           `json:"used"`               // Percentage used space
	Progress rebalPoolProgress `json:"progress,omitempty"` // is empty when rebalance is not running
}

// rebalanceAdminStatus holds rebalance status related information exported to mc, console, etc.
type rebalanceAdminStatus struct {
	ID        string                // identifies the ongoing rebalance operation by a uuid

	AmzMpPartsCount = "x-amz-mp-parts-count"

	// Object date/time of expiration
	AmzExpiration = "x-amz-expiration"

	// Dummy putBucketACL
	AmzACL = "x-amz-acl"

	// Signature V4 related constants.
	AmzContentSha256        = "X-Amz-Content-Sha256"
	AmzDate                 = "X-Amz-Date"
	AmzAlgorithm            = "X-Amz-Algorithm"
	AmzExpires              = "X-Amz-Expires"

	metadata[MetaIV] = base64.StdEncoding.EncodeToString(sealedKey.IV[:])
	metadata[MetaSealedKeySSEC] = base64.StdEncoding.EncodeToString(sealedKey.Key[:])
	return metadata
}

// ParseMetadata extracts all SSE-C related values from the object metadata
// and checks whether they are well-formed. It returns the sealed object key
// on success.
func (ssec) ParseMetadata(metadata map[string]string) (sealedKey SealedKey, err error) {

	// Return only true if the SSE header is specified and does not contain the SSE-KMS value
	return ok && !strings.EqualFold(h.Get(xhttp.AmzServerSideEncryption), xhttp.AmzEncryptionKMS)
}

// ParseHTTP parses the SSE-S3 related HTTP headers and checks
// whether they contain valid values.
func (sses3) ParseHTTP(h http.Header) error {
	if h.Get(xhttp.AmzServerSideEncryption) != xhttp.AmzEncryptionAES {
		return ErrInvalidEncryptionMethod
	}