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
	etcdClient  *clientv3.Client
}

// EtcdOption - functional options pattern style
type EtcdOption func(*CoreDNS)

### 2. Run MinIO in federated mode

Bucket lookup from DNS federation requires two dependencies

- etcd (for bucket DNS service records)
- CoreDNS (for DNS management based on populated bucket DNS service records, optional)

## Architecture

![bucket-lookup](https://github.com/minio/minio/blob/master/docs/federation/lookup/bucket-lookup.png?raw=true)

- This renames some coredns metrics, see https://github.com/coredns/coredns/blob/v1.11.0/plugin/forward/README.md#metrics. ([#129175](https://github.com/kubernetes/kubernetes/pull/129175), [@DamianSawicki](https://github.com/DamianSawicki)) [SIG Cloud Provider]

- github.com/coreos/etcd: [v3.3.13+incompatible → v3.3.15+incompatible](https://github.com/coreos/etcd/compare/v3.3.13...v3.3.15)
- github.com/coreos/go-oidc: [065b426 → v2.1.0+incompatible](https://github.com/coreos/go-oidc/compare/065b426...v2.1.0)
- github.com/coreos/go-semver: [e214231 → v0.3.0](https://github.com/coreos/go-semver/compare/e214231...v0.3.0)

- Kubeadm: Update CoreDNS to v1.9.3. ([#110489](https://github.com/kubernetes/kubernetes/pull/110489), [@pacoxu](https://github.com/pacoxu))

- github.com/cncf/xds/go: [b4127c9 → 2f00578](https://github.com/cncf/xds/compare/b4127c9...2f00578)
- github.com/coredns/corefile-migration: [v1.0.25 → v1.0.26](https://github.com/coredns/corefile-migration/compare/v1.0.25...v1.0.26)
- github.com/cpuguy83/go-md2man/v2: [v2.0.4 → v2.0.6](https://github.com/cpuguy83/go-md2man/compare/v2.0.4...v2.0.6)

## Dependencies

### Added
_Nothing has changed._

### Changed
- github.com/coredns/corefile-migration: [v1.0.21 → v1.0.23](https://github.com/coredns/corefile-migration/compare/v1.0.21...v1.0.23)
- github.com/coreos/etcd: [v3.3.13+incompatible → v3.3.10+incompatible](https://github.com/coreos/etcd/compare/v3.3.13...v3.3.10)

- github.com/coredns/caddy: [v1.1.0 → v1.1.1](https://github.com/coredns/caddy/compare/v1.1.0...v1.1.1)
- github.com/coreos/go-oidc: [v2.1.0+incompatible → v2.2.1+incompatible](https://github.com/coreos/go-oidc/compare/v2.1.0...v2.2.1)
- github.com/coreos/go-semver: [v0.3.0 → v0.3.1](https://github.com/coreos/go-semver/compare/v0.3.0...v0.3.1)

- Upgrade coreDNS to v1.11.3 ([#126797](https://github.com/kubernetes/kubernetes/pull/126797), [@BenTheElder](https://github.com/BenTheElder)) [SIG API Machinery, Architecture, Auth, CLI, Cloud Provider, Cluster Lifecycle, Network and Node]

## Dependencies

### Added
_Nothing has changed._

### Changed

- github.com/coreos/bbolt: [v1.3.2](https://github.com/coreos/bbolt/tree/v1.3.2)
- github.com/coreos/etcd: [v3.3.13+incompatible](https://github.com/coreos/etcd/tree/v3.3.13)
- github.com/coreos/go-systemd: [95778df](https://github.com/coreos/go-systemd/tree/95778df)
- github.com/coreos/pkg: [399ea9e](https://github.com/coreos/pkg/tree/399ea9e)