// +optional
  optional string token = 1;

  // Audiences is a list of the identifiers that the resource server presented
  // with the token identifies as. Audience-aware token authenticators will
  // verify that the token was intended for at least one of the audiences in
  // this list. If no audiences are provided, the audience will default to the
  // audience of the Kubernetes apiserver.
  // +optional

  // +optional
  optional string token = 1;

  // Audiences is a list of the identifiers that the resource server presented
  // with the token identifies as. Audience-aware token authenticators will
  // verify that the token was intended for at least one of the audiences in
  // this list. If no audiences are provided, the audience will default to the
  // audience of the Kubernetes apiserver.
  // +optional

	// REQUIRED. Audience(s) that this ID Token is intended for.
	// It MUST contain the OAuth 2.0 client_id of the Relying Party
	// as an audience value. It MAY also contain identifiers for
	// other audiences. In the general case, the aud value is an
	// array of case sensitive strings. In the common special case
	// when there is one audience, the aud value MAY be a single
	// case sensitive

readme = "README.md"
requires-python = ">=3.8"
authors = [
    { name = "Sebastián Ramírez", email = "******@****.***" },
]
classifiers = [
    "Intended Audience :: Information Technology",
    "Intended Audience :: System Administrators",
    "Operating System :: OS Independent",
    "Programming Language :: Python :: 3",
    "Programming Language :: Python",
    "Topic :: Internet",

	"istio.io/istio/pkg/adsc"
	"istio.io/istio/pkg/kube"
)

const (
	// defaultExpirationSeconds is how long-lived a token to request (an hour)
	defaultExpirationSeconds = 60 * 60
)

// Audience to create tokens for
var tokenAudiences = []string{"istio-ca"}

// GetXdsResponse opens a gRPC connection to opts.xds and waits for a single response

- `account` client_id is a confidential client that belongs to the realm `{realm}`
- `account` client_id is has **Service Accounts Enabled** option enabled.
- `account` client_id has a custom "Audience" mapper, in the Mappers section.
  - Included Client Audience: security-admin-console

#### Adding 'admin' Role

- Go to Roles
  - Add new Role `admin` with Description `${role_admin}`.

func TestJWTHMACType(t *testing.T) {
	server := initJWKSServer()
	defer server.Close()

	jwt := &jwtgo.Token{
		Method: jwtgo.SigningMethodHS256,
		Claims: jwtgo.StandardClaims{
			ExpiresAt: 253428928061,
			Audience:  "76b95ae5-33ef-4283-97b7-d2a85dc2d8f4",
		},
		Header: map[string]interface{}{
			"typ": "JWT",
			"alg": jwtgo.SigningMethodHS256.Alg(),
			"kid": "76b95ae5-33ef-4283-97b7-d2a85dc2d8f4",
		},
	}

| aud        | _string array_ | The token audience list. The client identifier of the OAuth clients that the JWT is intended for, is sent herewith.                                                                     |

|CREDENTIAL_FETCHER_TYPE|allows using custom credential fetcher, for VMs with existing identity|
|CREDENTIAL_IDENTITY_PROVIDER|just used to control the audience for VMs with existing identity|
|PROXY_XDS_VIA_AGENT|use istio-agent to proxy XDS. True for all use cases now, likely can be always-on now or soon|