peers

package
v0.3.2 Latest Latest
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 Go to latest Published: Aug 30, 2023 License: Apache-2.0 Imports: 18 Imported by: 0

Documentation

Overview

Package peers contains an interface for managing nodes in the mesh.

Package peers contains an interface for managing nodes in the mesh.

Index

Constants

View Source 
const EdgesPrefix = "/registry/edges"

EdgesPrefix is where edges are stored in the database. edges are indexed by their source and target node IDs in the format /registry/edges/<source>/<target>.

View Source 
const NodesPrefix = "/registry/nodes"

NodesPrefix is where nodes are stored in the database. nodes are indexed by their ID in the format /registry/nodes/<id>.

Variables

View Source 
var ErrEdgeNotFound = graph.ErrEdgeNotFound

ErrEdgeNotFound is returned when an edge is not found.

View Source 
var ErrNodeNotFound = errors.New("node not found")

ErrNodeNotFound is returned when a node is not found.

View Source 
var InvalidNodeIDChars = []rune{'/', '\\', ':', '*', '?', '"', '\'', '<', '>', '|', ','}

InvalidNodeIDChars are the characters that are not allowed in node IDs.

View Source 
var ReservedNodeIDs = []string{"self", "local", "localhost", "leader", "voters", "observers"}

ReservedNodeIDs are reserved node IDs.

Functions

func IsValidID 

func IsValidID(id string) bool

IsValidID returns true if the given node ID is valid.

func NewGraphStore 

func NewGraphStore(st storage.MeshStorage) graph.Store[string, Node]

NewGraphStore creates a new GraphStore instance.

Types

type Graph 

type Graph graph.Graph[string, Node]

Graph is the graph.Graph implementation for the mesh network.

func NewGraph 

func NewGraph(st storage.MeshStorage) Graph

NewGraph creates a new Graph instance.

type GraphStore 

type GraphStore struct {
	storage.MeshStorage
	// contains filtered or unexported fields
}

GraphStore implements graph.Store[string, Node] where string is the node ID and Node is the node itself.

func (*GraphStore) AddEdge 

func (g *GraphStore) AddEdge(sourceNode, targetNode string, edge graph.Edge[string]) error

AddEdge should add an edge between the vertices with the given source and target hashes.

If either vertex doesn't exit, ErrVertexNotFound should be returned for the respective vertex. If the edge already exists, ErrEdgeAlreadyExists should be returned.

func (*GraphStore) AddVertex 

func (g *GraphStore) AddVertex(nodeID string, node Node, props graph.VertexProperties) error

AddVertex should add the given vertex with the given hash value and vertex properties to the graph. If the vertex already exists, it is up to you whether ErrVertexAlreadyExists or no error should be returned.

func (*GraphStore) Edge 

func (g *GraphStore) Edge(sourceNode, targetNode string) (graph.Edge[string], error)

Edge should return the edge joining the vertices with the given hash values. It should exclusively look for an edge between the source and the target vertex, not vice versa. The graph implementation does this for undirected graphs itself.

Note that unlike Graph.Edge, this function is supposed to return an Edge[K], i.e. an edge that only contains the vertex hashes instead of the vertices themselves.

If the edge doesn't exist, ErrEdgeNotFound should be returned.

func (*GraphStore) ListEdges 

func (g *GraphStore) ListEdges() ([]graph.Edge[string], error)

ListEdges should return all edges in the graph in a slice.

func (*GraphStore) ListVertices 

func (g *GraphStore) ListVertices() ([]string, error)

ListVertices should return all vertices in the graph in a slice.

func (*GraphStore) RemoveEdge 

func (g *GraphStore) RemoveEdge(sourceNode, targetNode string) error

RemoveEdge should remove the edge between the vertices with the given source and target hashes.

If either vertex doesn't exist, it is up to you whether ErrVertexNotFound or no error should be returned. If the edge doesn't exist, it is up to you whether ErrEdgeNotFound or no error should be returned.

func (*GraphStore) RemoveVertex 

func (g *GraphStore) RemoveVertex(nodeID string) error

RemoveVertex should remove the vertex with the given hash value. If the vertex doesn't exist, ErrVertexNotFound should be returned. If the vertex has edges to other vertices, ErrVertexHasEdges should be returned.

func (*GraphStore) UpdateEdge 

func (g *GraphStore) UpdateEdge(sourceNode, targetNode string, edge graph.Edge[string]) error

UpdateEdge should update the edge between the given vertices with the data of the given Edge instance. If the edge doesn't exist, ErrEdgeNotFound should be returned.

func (*GraphStore) Vertex 

func (g *GraphStore) Vertex(nodeID string) (node Node, props graph.VertexProperties, err error)

Vertex should return the vertex and vertex properties with the given hash value. If the vertex doesn't exist, ErrVertexNotFound should be returned.

func (*GraphStore) VertexCount 

func (g *GraphStore) VertexCount() (int, error)

VertexCount should return the number of vertices in the graph. This should be equal to the length of the slice returned by ListVertices.

type Node 

type Node struct {
	// ID is the node's ID.
	ID string `json:"id"`
	// PublicKey is the node's public key.
	PublicKey wgtypes.Key `json:"publicKey"`
	// PrimaryEndpoint is the primary public endpoint of the node.
	PrimaryEndpoint string `json:"primaryEndpoint"`
	// WireGuardEndpoints are the available wireguard endpoints of the node.
	WireGuardEndpoints []string `json:"wireGuardEndpoints"`
	// ZoneAwarenessID is the node's zone awareness ID.
	ZoneAwarenessID string `json:"zoneAwarenessId"`
	// PrivateIPv4 is the node's private IPv4 address.
	PrivateIPv4 netip.Prefix `json:"privateIpv4"`
	// PrivateIPv6 is the node's IPv6 network.
	PrivateIPv6 netip.Prefix `json:"privateIpv6"`
	// GRPCPort is the node's GRPC port.
	GRPCPort int `json:"grpcPort"`
	// RaftPort is the node's Raft port.
	RaftPort int `json:"raftPort"`
	// DNSPort is the node's DNS port.
	DNSPort int `json:"dnsPort"`
	// Features are the node's features.
	Features []v1.Feature `json:"features"`
	// UpdatedAt is the time the node was last updated.
	UpdatedAt time.Time `json:"updatedAt"`
}

Node represents a node. Not all fields are populated in all contexts. A fully populated node is returned by Get and List.

func (Node) HasFeature added in v0.0.25 

func (n Node) HasFeature(feature v1.Feature) bool

HasFeature returns true if the node has the given feature.

func (Node) MarshalJSON 

func (n Node) MarshalJSON() ([]byte, error)

MarshalJSON marshals a Node to JSON.

func (Node) PrivateDNSAddrV4 added in v0.0.25 

func (n Node) PrivateDNSAddrV4() netip.AddrPort

PrivateDNSAddrV4 returns the private IPv4 address for the node's DNS server. Be sure to check if the returned AddrPort IsValid.

func (Node) PrivateDNSAddrV6 added in v0.0.25 

func (n Node) PrivateDNSAddrV6() netip.AddrPort

PrivateDNSAddrV6 returns the private IPv6 address for the node's DNS server. Be sure to check if the returned AddrPort IsValid.

func (Node) PrivateRPCAddrV4 added in v0.0.25 

func (n Node) PrivateRPCAddrV4() netip.AddrPort

PrivateRPCAddrV4 returns the private IPv4 address for the node's RPC server. Be sure to check if the returned AddrPort IsValid.

func (Node) PrivateRPCAddrV6 added in v0.0.25 

func (n Node) PrivateRPCAddrV6() netip.AddrPort

PrivateRPCAddrV6 returns the private IPv6 address for the node's RPC server. Be sure to check if the returned AddrPort IsValid.

func (*Node) Proto 

func (n *Node) Proto(status v1.ClusterStatus) *v1.MeshNode

Proto converts a Node to the protobuf representation.

func (Node) PublicDNSAddr added in v0.0.25 

func (n Node) PublicDNSAddr() netip.AddrPort

PublicDNSAddr returns the public address for the node's DNS server. Be sure to check if the returned AddrPort IsValid.

func (Node) PublicRPCAddr added in v0.0.25 

func (n Node) PublicRPCAddr() netip.AddrPort

PublicRPCAddr returns the public address for the node's RPC server. Be sure to check if the returned AddrPort IsValid.

func (*Node) UnmarshalJSON 

func (n *Node) UnmarshalJSON(b []byte) error

UnmarshalJSON unmarshals a Node from JSON.

type Peers 

type Peers interface {
	// Graph returns the graph of nodes.
	Graph() Graph
	// Put creates or updates a node.
	Put(ctx context.Context, n Node) error
	// Get gets a node by ID.
	Get(ctx context.Context, id string) (Node, error)
	// Delete deletes a node.
	Delete(ctx context.Context, id string) error
	// List lists all nodes.
	List(ctx context.Context) ([]Node, error)
	// ListIDs lists all node IDs.
	ListIDs(ctx context.Context) ([]string, error)
	// ListPublicNodes lists all public nodes.
	ListPublicNodes(ctx context.Context) ([]Node, error)
	// ListByZoneID lists all nodes in a zone.
	ListByZoneID(ctx context.Context, zoneID string) ([]Node, error)
	// ListByFeature lists all nodes with a given feature.
	ListByFeature(ctx context.Context, feature v1.Feature) ([]Node, error)
	// AddEdge adds an edge between two nodes.
	PutEdge(ctx context.Context, edge *v1.MeshEdge) error
	// RemoveEdge removes an edge between two nodes.
	RemoveEdge(ctx context.Context, from, to string) error
	// DrawGraph draws the graph of nodes to the given Writer.
	DrawGraph(ctx context.Context, w io.Writer) error
}

Peers is the peers interface.

func New 

func New(db storage.MeshStorage) Peers

New returns a new Peers interface.

type PutLeaseOptions 

type PutLeaseOptions struct {
	// ID is the node's ID.
	ID string
	// IPv4 is the node's IPv4 address.
	IPv4 netip.Prefix
	// IPv6 is the node's IPv6 network.
	IPv6 netip.Prefix
}

PutLeaseOptions are options for creating or updating a node lease.

type PutOptions 

type PutOptions struct {
	// ID is the node's ID.
	ID string
	// PublicKey is the node's public key.
	PublicKey wgtypes.Key
	// PrimaryEndpoint is the primary public endpoint of the node.
	PrimaryEndpoint string
	// WireGuardEndpoints are the available wireguard endpoints of the node.
	WireGuardEndpoints []string
	// ZoneAwarenessID is the node's zone awareness ID.
	ZoneAwarenessID string
	// GRPCPort is the node's GRPC port.
	GRPCPort int
	// RaftPort is the node's Raft port.
	RaftPort int
	// DNSPort is the node's DNS port.
	DNSPort int
	// Features are the node's features.
	Features []v1.Feature
}

PutOptions are options for creating or updating a node.

Source Files

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