}

func runDNSCache(ctx *cli.Context) {
	dnsTTL := ctx.Duration("dns-cache-ttl")
	// Check if we have configured a custom DNS cache TTL.
	if dnsTTL <= 0 {
		if orchestrated {
			dnsTTL = 30 * time.Second
		} else {
			dnsTTL = 10 * time.Minute
		}
	}

	// Call to refresh will refresh names in cache.
	go func() {
		// Baremetal setups set DNS refresh window up to dnsTTL duration.
		t := time.NewTicker(dnsTTL)

/**
 * [DNS over HTTPS implementation][doh_spec].
 *
 * > A DNS API client encodes a single DNS query into an HTTP request
 * > using either the HTTP GET or POST method and the other requirements
 * > of this section.  The DNS API server defines the URI used by the
 * > request through the use of a URI Template.
 *
 * [doh_spec]: https://tools.ietf.org/html/draft-ietf-doh-dns-over-https-13
 */

	}
	if err == nil && dnsURL != "" {
		bootstrapTraceMsg("initialize remote bucket DNS store")
		globalDNSConfig, err = dns.NewOperatorDNS(dnsURL,
			dns.Authentication(dnsUser, dnsPass),
			dns.RootCAs(globalRootCAs))
		if err != nil {
			configLogIf(ctx, fmt.Errorf("Unable to initialize remote webhook DNS config %w", err))
		}
	}

		cancel()
		if err != nil {
			return err
		}
	}
	return nil
}

// String stringer name for this implementation of dns.Store
func (c *CoreDNS) String() string {
	return "etcdDNS"
}

// CoreDNS - represents dns config for coredns server.
type CoreDNS struct {
	domainNames []string
	domainIPs   set.StringSet
	domainPort  string
	prefixPath  string

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package dns

import (
	"path"
	"strings"

	"github.com/miekg/dns"
)

// msgPath converts a domainname to an etcd path. If s looks like service.staging.skydns.local.,
// the resulting key will be /skydns/local/skydns/staging/service .
func msgPath(s, prefix string) string {
	l := dns.SplitDomainName(s)
	for i, j := 0, len(l)-1; i < j; i, j = i+1, j-1 {

	// and is 'true' when etcdConfig.PathPrefix is empty
	globalBucketFederation bool

	// Allocated DNS config wrapper over etcd client.
	globalDNSConfig dns.Store

	// GlobalKMS initialized KMS configuration
	GlobalKMS *kms.KMS

	// Common lock for various subsystems performing the leader tasks
	globalLeaderLock *sharedLock

	// Auto-Encryption, if enabled, turns any non-SSE-C request

func initFederatorBackend(buckets []string, objLayer ObjectLayer) {
	if len(buckets) == 0 {
		return
	}

	// Get buckets in the DNS
	dnsBuckets, err := globalDNSConfig.List()
	if err != nil && !IsErrIgnored(err, dns.ErrNoEntriesFound, dns.ErrNotImplemented, dns.ErrDomainMissing) {
		dnsLogIf(GlobalContext, err)
		return
	}

	bucketsSet := set.NewStringSet()
	bucketsToBeUpdated := set.NewStringSet()

	if s1.Checksum != s2.Checksum {
		return fmt.Errorf("Expected MinIO binary checksum: %s, seen: %s", s1.Checksum, s2.Checksum)
	}

	ns1 := s1.NEndpoints
	ns2 := s2.NEndpoints
	if ns1 != ns2 {
		return fmt.Errorf("Expected number of endpoints %d, seen %d", ns1, ns2)
	}

	for i, cmdLine := range s1.CmdLines {
		if cmdLine != s2.CmdLines[i] {
			return fmt.Errorf("Expected command line argument %s, seen %s", cmdLine,

		},
		{
			name:        "DNS",
			annotations: map[string]string{annotation.SidecarStatus.Name: "true"},
			proxyEnv:    []corev1.EnvVar{{Name: options.DNSCaptureByAgent.Name, Value: "true"}},
			golden:      filepath.Join(env.IstioSrc, "cni/pkg/plugin/testdata/dns.txt.golden"),
		},
		{
			name:        "invalid-drop",

// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package dns

import "testing"

func TestDNSJoin(t *testing.T) {
	tests := []struct {
		in  []string
		out string
	}{
		{[]string{"bla", "bliep", "example", "org"}, "bla.bliep.example.org."},