package api import ( "github.com/hashicorp/serf/coordinate" ) // CoordinateEntry represents a node and its associated network coordinate. type CoordinateEntry struct { Node string Segment string Partition string `json:",omitempty"` Coord *coordinate.Coordinate } // CoordinateDatacenterMap has the coordinates for servers in a given datacenter // and area. Network coordinates are only compatible within the same area. type CoordinateDatacenterMap struct { Datacenter string AreaID string Coordinates []CoordinateEntry } // Coordinate can be used to query the coordinate endpoints type Coordinate struct { c *Client } // Coordinate returns a handle to the coordinate endpoints func (c *Client) Coordinate() *Coordinate { return &Coordinate{c} } // Datacenters is used to return the coordinates of all the servers in the WAN // pool. func (c *Coordinate) Datacenters() ([]*CoordinateDatacenterMap, error) { r := c.c.newRequest("GET", "/v1/coordinate/datacenters") _, resp, err := c.c.doRequest(r) if err != nil { return nil, err } defer closeResponseBody(resp) if err := requireOK(resp); err != nil { return nil, err } var out []*CoordinateDatacenterMap if err := decodeBody(resp, &out); err != nil { return nil, err } return out, nil } // Nodes is used to return the coordinates of all the nodes in the LAN pool. func (c *Coordinate) Nodes(q *QueryOptions) ([]*CoordinateEntry, *QueryMeta, error) { r := c.c.newRequest("GET", "/v1/coordinate/nodes") r.setQueryOptions(q) rtt, resp, err := c.c.doRequest(r) if err != nil { return nil, nil, err } defer closeResponseBody(resp) if err := requireOK(resp); err != nil { return nil, nil, err } qm := &QueryMeta{} parseQueryMeta(resp, qm) qm.RequestTime = rtt var out []*CoordinateEntry if err := decodeBody(resp, &out); err != nil { return nil, nil, err } return out, qm, nil } // Update inserts or updates the LAN coordinate of a node. func (c *Coordinate) Update(coord *CoordinateEntry, q *WriteOptions) (*WriteMeta, error) { r := c.c.newRequest("PUT", "/v1/coordinate/update") r.setWriteOptions(q) r.obj = coord rtt, resp, err := c.c.doRequest(r) if err != nil { return nil, err } defer closeResponseBody(resp) if err := requireOK(resp); err != nil { return nil, err } wm := &WriteMeta{} wm.RequestTime = rtt return wm, nil } // Node is used to return the coordinates of a single node in the LAN pool. func (c *Coordinate) Node(node string, q *QueryOptions) ([]*CoordinateEntry, *QueryMeta, error) { r := c.c.newRequest("GET", "/v1/coordinate/node/"+node) r.setQueryOptions(q) rtt, resp, err := c.c.doRequest(r) if err != nil { return nil, nil, err } defer closeResponseBody(resp) if err := requireOK(resp); err != nil { return nil, nil, err } qm := &QueryMeta{} parseQueryMeta(resp, qm) qm.RequestTime = rtt var out []*CoordinateEntry if err := decodeBody(resp, &out); err != nil { return nil, nil, err } return out, qm, nil }