diff options
Diffstat (limited to 'src/main/scala/xyz/driver/core/init/Platform.scala')
-rw-r--r-- | src/main/scala/xyz/driver/core/init/Platform.scala | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/main/scala/xyz/driver/core/init/Platform.scala b/src/main/scala/xyz/driver/core/init/Platform.scala new file mode 100644 index 0000000..2daa2c8 --- /dev/null +++ b/src/main/scala/xyz/driver/core/init/Platform.scala @@ -0,0 +1,31 @@ +package xyz.driver.core +package init + +import java.nio.file.{Files, Path, Paths} + +import com.google.auth.oauth2.ServiceAccountCredentials + +sealed trait Platform +object Platform { + case class GoogleCloud(keyfile: Path, namespace: String) extends Platform { + def credentials: ServiceAccountCredentials = ServiceAccountCredentials.fromStream( + Files.newInputStream(keyfile) + ) + def project: String = credentials.getProjectId + } + // case object AliCloud extends Platform + case object Dev extends Platform + + lazy val fromEnv: Platform = { + def isGoogle = sys.env.get("GOOGLE_APPLICATION_CREDENTIALS").map { value => + val keyfile = Paths.get(value) + require(Files.isReadable(keyfile), s"Google credentials file $value is not readable.") + val namespace = sys.env.getOrElse("SERVICE_NAMESPACE", sys.error("Namespace not set")) + GoogleCloud(keyfile, namespace) + } + isGoogle.getOrElse(Dev) + } + + def current: Platform = fromEnv + +} |