ipnstate

Documentation

Overview

Package ipnstate captures the entire state of the Tailscale network.

It's a leaf package so ipn, wgengine, and magicsock can all depend on it.

Index

• func SortPeers(peers []*PeerStatus)
• type PeerStatus
• type PeerStatusLite
• type PingResult
• type Status
  • func (s *Status) Peers() []key.Public
  • func (st *Status) WriteHTML(w io.Writer)
• type StatusBuilder
  • func (sb *StatusBuilder) AddPeer(peer key.Public, st *PeerStatus)
  • func (sb *StatusBuilder) AddTailscaleIP(ip netaddr.IP)
  • func (sb *StatusBuilder) AddUser(id tailcfg.UserID, up tailcfg.UserProfile)
  • func (sb *StatusBuilder) MutateSelfStatus(f func(*PeerStatus))
  • func (sb *StatusBuilder) MutateStatus(f func(*Status))
  • func (sb *StatusBuilder) Status() *Status
• type StatusUpdater

Functions

func SortPeers

func SortPeers(peers []*PeerStatus)

Types

type PeerStatus

type PeerStatus struct {
	ID        tailcfg.StableNodeID
	PublicKey key.Public
	HostName  string // HostInfo's Hostname (not a DNS name or necessarily unique)
	DNSName   string
	OS        string // HostInfo.OS
	UserID    tailcfg.UserID

	TailAddrDeprecated string       `json:"TailAddr"` // Tailscale IP
	TailscaleIPs       []netaddr.IP // Tailscale IP(s) assigned to this node

	// Endpoints:
	Addrs   []string
	CurAddr string // one of Addrs, or unique if roaming
	Relay   string // DERP region

	RxBytes       int64
	TxBytes       int64
	Created       time.Time // time registered with tailcontrol
	LastWrite     time.Time // time last packet sent
	LastSeen      time.Time // last seen to tailcontrol
	LastHandshake time.Time // with local wireguard
	KeepAlive     bool
	ExitNode      bool // true if this is the currently selected exit node.

	// Active is whether the node was recently active. The
	// definition is somewhat undefined but has historically and
	// currently means that there was some packet sent to this
	// peer in the past two minutes. That definition is subject to
	// change.
	Active bool

	PeerAPIURL   []string
	Capabilities []string `json:",omitempty"`

	// ShareeNode indicates this node exists in the netmap because
	// it's owned by a shared-to user and that node might connect
	// to us. These nodes should be hidden by "tailscale status"
	// etc by default.
	ShareeNode bool `json:",omitempty"`

	// InNetworkMap means that this peer was seen in our latest network map.
	// In theory, all of InNetworkMap and InMagicSock and InEngine should all be true.
	InNetworkMap bool

	// InMagicSock means that this peer is being tracked by magicsock.
	// In theory, all of InNetworkMap and InMagicSock and InEngine should all be true.
	InMagicSock bool

	// InEngine means that this peer is tracked by the wireguard engine.
	// In theory, all of InNetworkMap and InMagicSock and InEngine should all be true.
	InEngine bool
}

type PeerStatusLite

type PeerStatusLite struct {
	TxBytes, RxBytes int64
	LastHandshake    time.Time
	NodeKey          tailcfg.NodeKey
}

type PingResult

type PingResult struct {
	IP       string // ping destination
	NodeIP   string // Tailscale IP of node handling IP (different for subnet routers)
	NodeName string // DNS name base or (possibly not unique) hostname

	Err            string
	LatencySeconds float64

	// Endpoint is the ip:port if direct UDP was used.
	// It is not currently set for TSMP pings.
	Endpoint string

	// DERPRegionID is non-zero DERP region ID if DERP was used.
	// It is not currently set for TSMP pings.
	DERPRegionID int

	// DERPRegionCode is the three-letter region code
	// corresponding to DERPRegionID.
	// It is not currently set for TSMP pings.
	DERPRegionCode string

	// PeerAPIPort is set by TSMP ping responses for peers that
	// are running a peerapi server. This is the port they're
	// running the server on.
	PeerAPIPort uint16 `json:",omitempty"`

	// IsLocalIP is whether the ping request error is due to it being
	// a ping to the local node.
	IsLocalIP bool `json:",omitempty"`
}

PingResult contains response information for the "tailscale ping" subcommand, saying how Tailscale can reach a Tailscale IP or subnet-routed IP.

type Status

type Status struct {
	// Version is the daemon's long version (see version.Long).
	Version string

	// BackendState is an ipn.State string value:
	//  "NoState", "NeedsLogin", "NeedsMachineAuth", "Stopped",
	//  "Starting", "Running".
	BackendState string

	AuthURL      string       // current URL provided by control to authorize client
	TailscaleIPs []netaddr.IP // Tailscale IP(s) assigned to this node
	Self         *PeerStatus

	// Health contains health check problems.
	// Empty means everything is good. (or at least that no known
	// problems are detected)
	Health []string

	// MagicDNSSuffix is the network's MagicDNS suffix for nodes
	// in the network such as "userfoo.tailscale.net".
	// There are no surrounding dots.
	// MagicDNSSuffix should be populated regardless of whether a domain
	// has MagicDNS enabled.
	MagicDNSSuffix string

	// CertDomains are the set of DNS names for which the control
	// plane server will assist with provisioning TLS
	// certificates. See SetDNSRequest for dns-01 ACME challenges
	// for e.g. LetsEncrypt. These names are FQDNs without
	// trailing periods, and without any "_acme-challenge." prefix.
	CertDomains []string

	Peer map[key.Public]*PeerStatus
	User map[tailcfg.UserID]tailcfg.UserProfile
}

Status represents the entire state of the IPN network.

func (*Status) Peers

func (s *Status) Peers() []key.Public

func (*Status) WriteHTML

func (st *Status) WriteHTML(w io.Writer)

type StatusBuilder

type StatusBuilder struct {
	// contains filtered or unexported fields
}

func (*StatusBuilder) AddPeer

func (sb *StatusBuilder) AddPeer(peer key.Public, st *PeerStatus)

AddPeer adds a peer node to the status.

Its PeerStatus is mixed with any previous status already added.

func (*StatusBuilder) AddTailscaleIP

func (sb *StatusBuilder) AddTailscaleIP(ip netaddr.IP)

AddIP adds a Tailscale IP address to the status.

func (*StatusBuilder) AddUser

func (sb *StatusBuilder) AddUser(id tailcfg.UserID, up tailcfg.UserProfile)

AddUser adds a user profile to the status.

func (*StatusBuilder) MutateSelfStatus

func (sb *StatusBuilder) MutateSelfStatus(f func(*PeerStatus))

MutateSelfStatus calls f with the PeerStatus of our own node to mutate.

It may not assume other fields of status are already populated, and may not retain or write to the Status after f returns.

MutateStatus acquires a lock so f must not call back into sb.

func (*StatusBuilder) MutateStatus

func (sb *StatusBuilder) MutateStatus(f func(*Status))

MutateStatus calls f with the status to mutate.

It may not assume other fields of status are already populated, and may not retain or write to the Status after f returns.

MutateStatus acquires a lock so f must not call back into sb.

func (*StatusBuilder) Status

func (sb *StatusBuilder) Status() *Status

type StatusUpdater

type StatusUpdater interface {
	UpdateStatus(*StatusBuilder)
}