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StorageDriver GCS: try google.DefaultTokenSource first

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Signed-off-by: Arthur Baars <arthur@semmle.com>
This commit is contained in:
Arthur Baars 2016-01-15 11:47:26 +00:00
parent 05dc6404fd
commit 985c0d602f
1 changed files with 23 additions and 17 deletions
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40
docs/storage/driver/gcs/gcs_test.go
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@ -31,7 +31,7 @@ func init() {
// Skip GCS storage driver tests if environment variable parameters are not provided
skipGCS = func() string {
if bucket == "" || credentials == "" {
return "The following environment variables must be set to enable these tests: REGISTRY_STORAGE_GCS_BUCKET, REGISTRY_STORAGE_GCS_CREDS"
return "The following environment variables must be set to enable these tests: REGISTRY_STORAGE_GCS_BUCKET, GOOGLE_APPLICATION_CREDENTIALS"
}
return ""
}
@ -45,30 +45,36 @@ func init() {
panic(err)
}
defer os.Remove(root)
var ts oauth2.TokenSource
var email string
var privateKey []byte
_, err = os.Stat(credentials)
if err == nil {
jsonKey, err := ioutil.ReadFile(credentials)
if err != nil {
panic(fmt.Sprintf("Unable to read credentials from file : %s", err))
}
credentials = string(jsonKey)
}
// Assume that the file contents are within the environment variable since it exists
// but does not contain a valid file path
jwtConfig, err := google.JWTConfigFromJSON([]byte(credentials), storage.ScopeFullControl)
ts, err = google.DefaultTokenSource(ctx.Background(), storage.ScopeFullControl)
if err != nil {
panic(fmt.Sprintf("Error reading JWT config : %s", err))
// Assume that the file contents are within the environment variable since it exists
// but does not contain a valid file path
jwtConfig, err := google.JWTConfigFromJSON([]byte(credentials), storage.ScopeFullControl)
if err != nil {
panic(fmt.Sprintf("Error reading JWT config : %s", err))
}
email = jwtConfig.Email
privateKey = []byte(jwtConfig.PrivateKey)
if len(privateKey) == 0 {
panic("Error reading JWT config : missing private_key property")
}
if email == "" {
panic("Error reading JWT config : missing client_email property")
}
ts = jwtConfig.TokenSource(ctx.Background())
}
gcsDriverConstructor = func(rootDirectory string) (storagedriver.StorageDriver, error) {
parameters := driverParameters{
bucket: bucket,
rootDirectory: root,
email: jwtConfig.Email,
privateKey: []byte(jwtConfig.PrivateKey),
client: oauth2.NewClient(ctx.Background(), jwtConfig.TokenSource(ctx.Background())),
email: email,
privateKey: privateKey,
client: oauth2.NewClient(ctx.Background(), ts),
}
return New(parameters)