Refactor testing utilities

1 files changed, 27 insertions, 0 deletions

diff --git a/crashboxd/src/test/scala/io/crashbox/ci/DockerUtil.scala b/crashboxd/src/test/scala/io/crashbox/ci/DockerUtil.scala
new file mode 100644
index 0000000..794a390
--- /dev/null
+++ b/crashboxd/src/test/scala/io/crashbox/ci/DockerUtil.scala
@@ -0,0 +1,27 @@
+package io.crashbox.ci
+
+object DockerUtil {
+  import IOUtil._
+  import com.spotify.docker.client.DockerClient
+  import java.io.File
+  import java.nio.file.Files
+
+  val defaultImage = "crashbox"
+
+  def ensureImage(client: DockerClient): Unit = {
+    println("Pulling base docker image for running docker tests")
+    val baseImage = "debian:jessie-backports"
+    client.pull(baseImage)
+
+    withTempDir { dir =>
+      println("Adapting base image for tests")
+      val modifications = s"""|FROM $baseImage
+                              |RUN adduser crashbox
+                              |USER crashbox
+                              |""".stripMargin
+      Files.write((new File(dir, "Dockerfile")).toPath, modifications.getBytes)
+      client.build(dir.toPath, defaultImage)
+    }
+  }
+
+}