1 files changed, 75 insertions, 0 deletions
diff --git a/src/main/scala/xyz.driver.sbt/Service.scala b/src/main/scala/xyz.driver.sbt/Service.scala
new file mode 100644
index 0000000..a0186e6
--- /dev/null
+++ b/src/main/scala/xyz.driver.sbt/Service.scala
@@ -0,0 +1,75 @@
+package xyz.driver.sbt
+
+import com.typesafe.sbt.GitPlugin.autoImport._
+import com.typesafe.sbt.packager.Keys.{
+  dockerBaseImage => _,
+  dockerCommands => _,
+  dockerExposedPorts => _,
+  dockerRepository => _,
+  dockerUpdateLatest => _,
+  _
+}
+import com.typesafe.sbt.packager.archetypes.JavaAppPackaging
+import com.typesafe.sbt.packager.docker.DockerPlugin.autoImport._
+import com.typesafe.sbt.packager.docker.{Cmd, DockerPlugin}
+import sbt.Keys._
+import sbt.{Def, _}
+import sbtbuildinfo.BuildInfoPlugin
+import sbtbuildinfo.BuildInfoPlugin.autoImport._
+
+/** Common settings to a service. */
+object Service extends AutoPlugin {
+
+  override def requires = BuildInfoPlugin && DockerPlugin && JavaAppPackaging
+
+  object autoImport {
+    val customCommands = taskKey[List[String]]("Additional commands that are run as part of docker packaging.")
+  }
+  import autoImport._
+
+  lazy val buildInfoSettings = Seq(
+    buildInfoKeys := Seq[BuildInfoKey](name, version, scalaVersion, sbtVersion, git.gitHeadCommit),
+    buildInfoPackage := organization.value,
+    buildInfoOptions += BuildInfoOption.BuildTime
+  )
+
+  lazy val dockerSettings = Seq(
+    name in Docker := name.value,
+    // Settings reference http://www.scala-sbt.org/sbt-native-packager/formats/docker.html
+    maintainer in Docker := "Driver Inc. <info@driver.xyz>",
+    aggregate in Docker := true, // include subprojects,
+    dockerRepository := Some("gcr.io/driverinc-sandbox"),
+    dockerUpdateLatest := true, // automatically update the latest tag
+    dockerBaseImage := "openjdk:10",
+    dockerCommands := dockerCommands.value.flatMap { // @see http://blog.codacy.com/2015/07/16/dockerizing-scala/
+      case cmd @ Cmd("FROM", _) => cmd :: customCommands.value.map(customCommand => Cmd("RUN", customCommand))
+      case other                => List(other)
+    },
+    bashScriptExtraDefines += {
+      s"""|if [[ -f /etc/${name.value}/ssl/issuing_ca ]]; then
+          |  keytool -import \
+          |    -alias driverincInternal \
+          |    -keystore $$JAVA_HOME/jre/lib/security/cacerts \
+          |    -file /etc/${name.value}/ssl/issuing_ca \
+          |    -storepass changeit -noprompt
+          |else
+          |  echo "No truststore customization." >&2
+          |fi
+          |""".stripMargin
+    }
+  )
+
+  override def projectSettings: Seq[Def.Setting[_]] =
+    Library.repositorySettings ++ buildInfoSettings ++ dockerSettings ++ Seq(
+      crossScalaVersions := List("2.12.6"),
+      scalaVersion := crossScalaVersions.value.last,
+      publish := {
+        streams.value.log.warn(s"Service ${name.value} won't be published.")
+      }
+    )
+
+  override def buildSettings: Seq[Def.Setting[_]] =
+    addCommandAlias("start", "reStart") ++
+      addCommandAlias("stop", "reStop")
+
+}