forked from cloudfoundry/go-cfclient
/
routes.go
209 lines (186 loc) · 5.99 KB
/
routes.go
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package cfclient
import (
"bytes"
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"net/url"
"github.com/pkg/errors"
)
type RoutesResponse struct {
Count int `json:"total_results"`
Pages int `json:"total_pages"`
NextUrl string `json:"next_url"`
Resources []RoutesResource `json:"resources"`
}
type RoutesResource struct {
Meta Meta `json:"metadata"`
Entity Route `json:"entity"`
}
type RouteRequest struct {
DomainGuid string `json:"domain_guid"`
SpaceGuid string `json:"space_guid"`
Host string `json:"host"` // required for http routes
Path string `json:"path"`
Port int `json:"port"`
}
type Route struct {
Guid string `json:"guid"`
CreatedAt string `json:"created_at"`
UpdatedAt string `json:"updated_at"`
Host string `json:"host"`
Path string `json:"path"`
DomainGuid string `json:"domain_guid"`
DomainURL string `json:"domain_url"`
SpaceGuid string `json:"space_guid"`
ServiceInstanceGuid string `json:"service_instance_guid"`
Port int `json:"port"`
c *Client
}
// CreateRoute creates a regular http route
func (c *Client) CreateRoute(routeRequest RouteRequest) (Route, error) {
routesResource, err := c.createRoute("/v2/routes", routeRequest)
if nil != err {
return Route{}, err
}
return c.mergeRouteResource(routesResource), nil
}
// CreateTcpRoute creates a TCP route
func (c *Client) CreateTcpRoute(routeRequest RouteRequest) (Route, error) {
routesResource, err := c.createRoute("/v2/routes?generate_port=true", routeRequest)
if nil != err {
return Route{}, err
}
return c.mergeRouteResource(routesResource), nil
}
// BindRoute associates the specified route with the application
func (c *Client) BindRoute(routeGUID, appGUID string) error {
resp, err := c.DoRequest(c.NewRequest("PUT", fmt.Sprintf("/v2/routes/%s/apps/%s", routeGUID, appGUID)))
if err != nil {
return errors.Wrapf(err, "Error binding route %s to app %s", routeGUID, appGUID)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusCreated {
return fmt.Errorf("Error binding route %s to app %s, response code: %d", routeGUID, appGUID, resp.StatusCode)
}
return nil
}
func (c *Client) GetRouteByGuid(guid string) (Route, error) {
var route RoutesResource
r := c.NewRequest("GET", fmt.Sprintf("/v2/routes/%s", guid))
resp, err := c.DoRequest(r)
if err != nil {
return route.Entity, errors.Wrap(err, "Error requesting route")
}
defer resp.Body.Close()
err = json.NewDecoder(resp.Body).Decode(&route)
if err != nil {
return route.Entity, errors.Wrap(err, "Error unmarshalling route response body")
}
route.Entity.Guid = route.Meta.Guid
route.Entity.CreatedAt = route.Meta.CreatedAt
route.Entity.UpdatedAt = route.Meta.UpdatedAt
route.Entity.c = c
return route.Entity, nil
}
func (c *Client) ListRoutesByQuery(query url.Values) ([]Route, error) {
return c.fetchRoutes("/v2/routes?" + query.Encode())
}
func (c *Client) fetchRoutes(requestUrl string) ([]Route, error) {
var routes []Route
for {
routesResp, err := c.getRoutesResponse(requestUrl)
if err != nil {
return []Route{}, err
}
for _, route := range routesResp.Resources {
route.Entity.Guid = route.Meta.Guid
route.Entity.CreatedAt = route.Meta.CreatedAt
route.Entity.UpdatedAt = route.Meta.UpdatedAt
route.Entity.c = c
routes = append(routes, route.Entity)
}
requestUrl = routesResp.NextUrl
if requestUrl == "" {
break
}
}
return routes, nil
}
func (c *Client) ListRoutes() ([]Route, error) {
return c.ListRoutesByQuery(nil)
}
func (r *Route) Domain() (*Domain, error) {
req := r.c.NewRequest("GET", r.DomainURL)
resp, err := r.c.DoRequest(req)
if err != nil {
return nil, errors.Wrap(err, "requesting domain for route "+r.DomainURL)
}
defer resp.Body.Close()
var domain DomainResource
if err = json.NewDecoder(resp.Body).Decode(&domain); err != nil {
return nil, errors.Wrap(err, "unmarshalling domain")
}
return r.c.mergeDomainResource(domain), nil
}
func (c *Client) getRoutesResponse(requestUrl string) (RoutesResponse, error) {
var routesResp RoutesResponse
r := c.NewRequest("GET", requestUrl)
resp, err := c.DoRequest(r)
if err != nil {
return RoutesResponse{}, errors.Wrap(err, "Error requesting routes")
}
resBody, err := ioutil.ReadAll(resp.Body)
defer resp.Body.Close()
if err != nil {
return RoutesResponse{}, errors.Wrap(err, "Error reading routes body")
}
err = json.Unmarshal(resBody, &routesResp)
if err != nil {
return RoutesResponse{}, errors.Wrap(err, "Error unmarshalling routes")
}
return routesResp, nil
}
func (c *Client) createRoute(requestUrl string, routeRequest RouteRequest) (RoutesResource, error) {
var routeResp RoutesResource
buf := bytes.NewBuffer(nil)
err := json.NewEncoder(buf).Encode(routeRequest)
if err != nil {
return RoutesResource{}, errors.Wrap(err, "Error creating route - failed to serialize request body")
}
r := c.NewRequestWithBody("POST", requestUrl, buf)
resp, err := c.DoRequest(r)
if err != nil {
return RoutesResource{}, errors.Wrap(err, "Error creating route")
}
resBody, err := ioutil.ReadAll(resp.Body)
defer resp.Body.Close()
if err != nil {
return RoutesResource{}, errors.Wrap(err, "Error creating route")
}
err = json.Unmarshal(resBody, &routeResp)
if err != nil {
return RoutesResource{}, errors.Wrap(err, "Error unmarshalling routes")
}
routeResp.Entity.c = c
return routeResp, nil
}
func (c *Client) DeleteRoute(guid string) error {
resp, err := c.DoRequest(c.NewRequest("DELETE", fmt.Sprintf("/v2/routes/%s", guid)))
if err != nil {
return err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusNoContent {
return errors.Wrapf(err, "Error deleting route %s, response code: %d", guid, resp.StatusCode)
}
return nil
}
func (c *Client) mergeRouteResource(rr RoutesResource) Route {
rr.Entity.Guid = rr.Meta.Guid
rr.Entity.CreatedAt = rr.Meta.CreatedAt
rr.Entity.UpdatedAt = rr.Meta.UpdatedAt
rr.Entity.c = c
return rr.Entity
}