Enum SpannerCredentials 

pub enum SpannerCredentials {
    ServiceAccountKeyPath {
        path: String,
    },
    ServiceAccountKey {
        json: String,
    },
    ApplicationDefault,
}

Credentials used to authenticate against Cloud Spanner.

Serialized in the project-wide adjacently-tagged shape:

auth:
  type: service_account_key_path
  config:
    path: /secrets/sa.json

Variants

ServiceAccountKeyPath

Load a service-account key from a JSON file on disk.

Fields

path: String

Filesystem path to the service-account key JSON.

ServiceAccountKey

Inline service-account key JSON (prefer ${vault:…} / ${env:…} interpolation over literal keys in config files).

Fields

json: String

The full service-account key JSON document.

ApplicationDefault

Application Default Credentials: GOOGLE_APPLICATION_CREDENTIALS, gcloud auth application-default login, or the GCE/GKE metadata server.

Trait Implementations

impl Clone for SpannerCredentials

fn clone(&self) -> SpannerCredentials

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for SpannerCredentials

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for SpannerCredentials

fn default() -> SpannerCredentials

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for SpannerCredentials

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl JsonSchema for SpannerCredentials

fn schema_name() -> Cow<'static, str>

The name of the generated JSON Schema.

fn schema_id() -> Cow<'static, str>

Returns a string that uniquely identifies the schema produced by this type.

fn json_schema(generator: &mut SchemaGenerator) -> Schema

Generates a JSON Schema for this type.

fn inline_schema() -> bool

Whether JSON Schemas generated for this type should be included directly in parent schemas, rather than being re-used where possible using the $ref keyword.

impl Serialize for SpannerCredentials

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.