registry

type Config struct {
	IP       net.IP `yaml:"ip,omitempty"`
	Domain   string `yaml:"domain,omitempty"`
	Port     string `yaml:"port,omitempty"`
	Username string `json:"username,omitempty"`
	Password string `json:"password,omitempty"`
}

type Configurator interface {
	// InstallOn will install registry configuration on each given hosts.
	InstallOn(masters, nodes []net.IP) error

	// UninstallFrom will uninstall registry configuration on each given hosts.
	UninstallFrom(masters, nodes []net.IP) error

	GetDriver() (Driver, error)
}

type DaemonConfig struct {
	AllowNonDistributableArtifacts []string          `json:"allow-nondistributable-artifacts,omitempty"`
	APICorsHeader                  string            `json:"api-cors-header,omitempty"`
	AuthorizationPlugins           []string          `json:"authorization-plugins,omitempty"`
	Bip                            string            `json:"bip,omitempty"`
	Bridge                         string            `json:"bridge,omitempty"`
	CgroupParent                   string            `json:"cgroup-parent,omitempty"`
	ClusterAdvertise               string            `json:"cluster-advertise,omitempty"`
	ClusterStore                   string            `json:"cluster-store,omitempty"`
	Containerd                     string            `json:"containerd,omitempty"`
	ContainerdNamespace            string            `json:"containerd-namespace,omitempty"`
	ContainerdPluginNamespace      string            `json:"containerd-plugin-namespace,omitempty"`
	DataRoot                       string            `json:"data-root,omitempty"`
	Debug                          bool              `json:"debug,omitempty"`
	DefaultCgroupnsMode            string            `json:"default-cgroupns-mode,omitempty"`
	DefaultGateway                 string            `json:"default-gateway,omitempty"`
	DefaultGatewayV6               string            `json:"default-gateway-v6,omitempty"`
	DefaultRuntime                 string            `json:"default-runtime,omitempty"`
	DefaultShmSize                 string            `json:"default-shm-size,omitempty"`
	DNS                            []string          `json:"dns,omitempty"`
	DNSOpts                        []string          `json:"dns-opts,omitempty"`
	DNSSearch                      []string          `json:"dns-search,omitempty"`
	ExecOpts                       []string          `json:"exec-opts,omitempty"`
	ExecRoot                       string            `json:"exec-root,omitempty"`
	Experimental                   bool              `json:"experimental,omitempty"`
	FixedCidr                      string            `json:"fixed-cidr,omitempty"`
	FixedCidrV6                    string            `json:"fixed-cidr-v6,omitempty"`
	Group                          string            `json:"group,omitempty"`
	Hosts                          []string          `json:"hosts,omitempty"`
	Icc                            bool              `json:"icc,omitempty"`
	Init                           bool              `json:"init,omitempty"`
	InitPath                       string            `json:"init-path,omitempty"`
	InsecureRegistries             []string          `json:"insecure-registries,omitempty"`
	IP                             string            `json:"ip,omitempty"`
	IPForward                      bool              `json:"ip-forward,omitempty"`
	IPMasq                         bool              `json:"ip-masq,omitempty"`
	Iptables                       bool              `json:"iptables,omitempty"`
	IP6Tables                      bool              `json:"ip6tables,omitempty"`
	Ipv6                           bool              `json:"ipv6,omitempty"`
	Labels                         []string          `json:"labels,omitempty"`
	LiveRestore                    bool              `json:"live-restore,omitempty"`
	LogDriver                      string            `json:"log-driver,omitempty"`
	LogLevel                       string            `json:"log-level,omitempty"`
	MaxConcurrentDownloads         int               `json:"max-concurrent-downloads,omitempty"`
	MaxConcurrentUploads           int               `json:"max-concurrent-uploads,omitempty"`
	MaxDownloadAttempts            int               `json:"max-download-attempts,omitempty"`
	Mtu                            int               `json:"mtu,omitempty"`
	NoNewPrivileges                bool              `json:"no-new-privileges,omitempty"`
	NodeGenericResources           []string          `json:"node-generic-resources,omitempty"`
	OomScoreAdjust                 int               `json:"oom-score-adjust,omitempty"`
	Pidfile                        string            `json:"pidfile,omitempty"`
	RawLogs                        bool              `json:"raw-logs,omitempty"`
	RegistryMirrors                []string          `json:"registry-mirrors,omitempty"`
	SeccompProfile                 string            `json:"seccomp-profile,omitempty"`
	SelinuxEnabled                 bool              `json:"selinux-enabled,omitempty"`
	ShutdownTimeout                int               `json:"shutdown-timeout,omitempty"`
	StorageDriver                  string            `json:"storage-driver,omitempty"`
	StorageOpts                    []string          `json:"storage-opts,omitempty"`
	SwarmDefaultAdvertiseAddr      string            `json:"swarm-default-advertise-addr,omitempty"`
	TLS                            bool              `json:"tls,omitempty"`
	Tlscacert                      string            `json:"tlscacert,omitempty"`
	Tlscert                        string            `json:"tlscert,omitempty"`
	Tlskey                         string            `json:"tlskey,omitempty"`
	Tlsverify                      bool              `json:"tlsverify,omitempty"`
	UserlandProxy                  bool              `json:"userland-proxy,omitempty"`
	UserlandProxyPath              string            `json:"userland-proxy-path,omitempty"`
	UsernsRemap                    string            `json:"userns-remap,omitempty"`
	ClusterStoreOpts               map[string]string `json:"cluster-store-opts,omitempty"`
	LogOpts                        *DaemonLogOpts    `json:"log-opts,omitempty"`
}

type DaemonLogOpts struct {
	CacheDisabled string `json:"cache-disabled,omitempty"`
	CacheMaxFile  string `json:"cache-max-file,omitempty"`
	CacheMaxSize  string `json:"cache-max-size,omitempty"`
	CacheCompress string `json:"cache-compress,omitempty"`
	Env           string `json:"env,omitempty"`
	Labels        string `json:"labels,omitempty"`
	MaxFile       string `json:"max-file,omitempty"`
	MaxSize       string `json:"max-size,omitempty"`
}

type Driver interface {
	// UploadContainerImages2Registry :upload src registry filesystem to registry data directory.
	UploadContainerImages2Registry() error
	GetInfo() Info
}

type Info struct {
	URL string
}

type Installer interface {
	// Reconcile registry deploy hosts thought comparing current deploy host and desiredHosts and return the final registry deploy hosts.
	// if current deploy host is less than desiredHosts , means scale-up registry node
	// if current deploy host is bigger than desiredHosts , means scale-down registry node
	// if current deploy host is equal targetHosts , do nothing
	// launch registry node
	// scale-up registry node
	// scale down registry node
	Reconcile(desiredHosts []net.IP) ([]net.IP, error)

	// Clean all registry deploy hosts
	Clean() error
}