Update to use uaa refresh tokens

In [#150153665], the go-pivnet code vendored in pivnet-resource was
directly modified, instead of updating go-pivnet and re-vendoring the
library.

This commit makes the changes corresponding to that story, and updates
the corresponding tests. This way, when pivnet-resource udpates its
version of go-pivnet, the changes are not reverted.

[#151761519]

Signed-off-by: Debbie Chen <[email protected]>

auth.go

@@ -46,10 +46,10 @@ func (e AuthService) Check() (bool, error) {
  }
 }
 
-func (e AuthService) FetchUAAToken(username, password string) (UAATokenResponse, error) {
+func (e AuthService) FetchUAAToken(refresh_token string) (UAATokenResponse, error) {
  url := "/authentication"
 
- body := AuthBody{Username: username, Password: password}
+ body := AuthBody{RefreshToken: refresh_token}
  b, err := json.Marshal(body)
  if err != nil {
  return UAATokenResponse{}, err
@@ -79,6 +79,5 @@ func (e AuthService) FetchUAAToken(username, password string) (UAATokenResponse,
 }
 
 type AuthBody struct {
- Username string `json:"username"`
- Password string `json:"password"`
+ RefreshToken string `json:"refresh_token"`
 }

auth_test.go

@@ -21,8 +21,7 @@ var _ = Describe("PivnetClient - Auth", func() {
  apiAddress string
  userAgent string
 
- username string
- password string
+ refresh_token string
 
  newClientConfig pivnet.ClientConfig
  fakeLogger logger.Logger
@@ -137,13 +136,11 @@ var _ = Describe("PivnetClient - Auth", func() {
 
  Describe("FetchUAAToken", func() {
  It("returns the UAA token", func() {
- username = "some-username"
- password = "some-password"
+ refresh_token = "some-refresh-token"
 
  expectedRequestBody := fmt.Sprintf(
- `{"username":"%s","password":"%s"}`,
- username,
- password,
+ `{"refresh_token":"%s"}`,
+ refresh_token,
  )
 
  response := pivnet.UAATokenResponse{
@@ -161,20 +158,18 @@ var _ = Describe("PivnetClient - Auth", func() {
  ),
  )
 
- tokenResponse, err := client.Auth.FetchUAAToken(username, password)
+ tokenResponse, err := client.Auth.FetchUAAToken(refresh_token)
  Expect(err).NotTo(HaveOccurred())
  Expect(tokenResponse.Token).To(Equal("some-token"))
  })
 
  Context("When Pivnet returns a 401", func() {
  It("returns an error", func() {
- username = "some-username"
- password = "some-password"
+ refresh_token = "some-refresh-token"
 
  expectedRequestBody := fmt.Sprintf(
- `{"username":"%s","password":"%s"}`,
- username,
- password,
+ `{"refresh_token":"%s"}`,
+ refresh_token,
  )
 
  server.AppendHandlers(
@@ -188,7 +183,7 @@ var _ = Describe("PivnetClient - Auth", func() {
  ),
  )
 
- _, err := client.Auth.FetchUAAToken(username, password)
+ _, err := client.Auth.FetchUAAToken(refresh_token)
  Expect(err).To(HaveOccurred())
  })
  })