settings

type Blobstore struct {
	Type    string                 `json:"provider"`
	Options map[string]interface{} `json:"options"`
}

type BoshEnv struct {
	Password              string   `json:"password"`
	KeepRootPassword      bool     `json:"keep_root_password"`
	RemoveDevTools        bool     `json:"remove_dev_tools"`
	RemoveStaticLibraries bool     `json:"remove_static_libraries"`
	AuthorizedKeys        []string `json:"authorized_keys"`
	SwapSizeInMB          *uint64  `json:"swap_size"`
	Mbus                  struct {
		Cert CertKeyPair `json:"cert"`
	} `json:"mbus"`

	IPv6 IPv6 `json:"ipv6"`
}

type CertKeyPair struct {
	PrivateKey  string `json:"private_key"`
	Certificate string `json:"certificate"`
}

type DNSRecords struct {
	Version uint64      `json:"Version"`
	Records [][2]string `json:"records"`
}

type DefaultNetworkResolver interface {
	// Ideally we would find a network based on a MAC address
	// but current CPI implementations do not include it
	GetDefaultNetwork() (Network, error)
}

type DiskAssociation struct {
	Name    string `json:"name"`
	DiskCID string `json:"cid"`
}

type DiskAssociations struct {
	Associations []DiskAssociation `json:"disk_associations"`
}

type DiskSettings struct {
	ID             string
	DeviceID       string
	VolumeID       string
	Lun            string
	HostDeviceID   string
	Path           string
	FileSystemType disk.FileSystemType
}

type Disks struct {
	// e.g "/dev/sda", "1"
	System string `json:"system"`

	// Older CPIs returned disk settings as string
	// e.g "/dev/sdb", "2"
	// Newer CPIs will populate it in a hash
	// e.g {"path" => "/dev/sdc", "volume_id" => "3"}
	//     {"lun" => "0", "host_device_id" => "{host-device-id}"}
	Ephemeral interface{} `json:"ephemeral"`

	// Older CPIs returned disk settings as strings
	// e.g {"disk-3845-43758-7243-38754" => "/dev/sdc"}
	//     {"disk-3845-43758-7243-38754" => "3"}
	// Newer CPIs will populate it in a hash:
	// e.g {"disk-3845-43758-7243-38754" => {"path" => "/dev/sdc"}}
	//     {"disk-3845-43758-7243-38754" => {"volume_id" => "3"}}
	//     {"disk-3845-43758-7243-38754" => {"lun" => "0", "host_device_id" => "{host-device-id}"}}
	Persistent map[string]interface{} `json:"persistent"`

	RawEphemeral []DiskSettings `json:"raw_ephemeral"`
}

type Env struct {
	Bosh             BoshEnv             `json:"bosh"`
	PersistentDiskFS disk.FileSystemType `json:"persistent_disk_fs"`
}

type IPv6 struct {
	Enable bool `json:"enable"`
}

type Network struct {
	Type NetworkType `json:"type"`

	IP       string `json:"ip"`
	Netmask  string `json:"netmask"`
	Gateway  string `json:"gateway"`
	Resolved bool   `json:"resolved"` // was resolved via DHCP
	UseDHCP  bool   `json:"use_dhcp"`

	Default []string `json:"default"`
	DNS     []string `json:"dns"`

	Mac string `json:"mac"`

	Preconfigured bool `json:"preconfigured"`
}

type NetworkType string

type Networks map[string]Network

type Service interface {
	LoadSettings() error

	// GetSettings does not return error because without settings Agent cannot start.
	GetSettings() Settings

	PublicSSHKeyForUsername(string) (string, error)

	InvalidateSettings() error
}

type Settings struct {
	AgentID   string    `json:"agent_id"`
	Blobstore Blobstore `json:"blobstore"`
	Disks     Disks     `json:"disks"`
	Env       Env       `json:"env"`
	Networks  Networks  `json:"networks"`
	Ntp       []string  `json:"ntp"`
	Mbus      string    `json:"mbus"`
	VM        VM        `json:"vm"`
}

type Source interface {
	PublicSSHKeyForUsername(string) (string, error)
	Settings() (Settings, error)
}

type UpdateSettings struct {
	DiskAssociations []DiskAssociation `json:"disk_associations"`
	TrustedCerts     string            `json:"trusted_certs"`
}

type VM struct {
	Name string `json:"name"`
}