Function TEST_P

src/tests/containerizer/provisioner_docker_tests.cpp:568–691

This test verifies that the image tar puller could pull image with the hdfs uri fetcher plugin.

// This test verifies that the image tar puller could pull image
// with the hdfs uri fetcher plugin.
TEST_P(ProvisionerDockerHdfsTest, ROOT_ImageTarPullerHdfsFetcherSimpleCommand)
{
  string hadoopPath = os::getcwd();
  ASSERT_TRUE(os::exists(hadoopPath));

  string hadoopBinPath = path::join(hadoopPath, "bin");
  ASSERT_SOME(os::mkdir(hadoopBinPath));
  ASSERT_SOME(os::chmod(hadoopBinPath, S_IRWXU | S_IRWXG | S_IRWXO));

  const string& proof = path::join(hadoopPath, "proof");

  // This acts exactly as "hadoop" for testing purposes. On some platforms, the
  // "hadoop" wrapper command will emit a warning that Hadoop installation has
  // no native code support. We always emit that here to make sure it is parsed
  // correctly.
  string mockHadoopScript =
    "#!/usr/bin/env bash\n"
    "\n"
    "touch " + proof + "\n"
    "\n"
    "now=$(date '+%y/%m/%d %I:%M:%S')\n"
    "echo \"$now WARN util.NativeCodeLoader: "
      "Unable to load native-hadoop library for your platform...\" 1>&2\n"
    "\n"
    "if [[ 'version' == $1 ]]; then\n"
    "  echo $0 'for Mesos testing'\n"
    "fi\n"
    "\n"
    "# hadoop fs -copyToLocal $3 $4\n"
    "if [[ 'fs' == $1 && '-copyToLocal' == $2 ]]; then\n"
    "  if [[ $3 == 'hdfs://'* ]]; then\n"
    "    # Remove 'hdfs://<host>/' and use just the (absolute) path.\n"
    "    withoutProtocol=${3/'hdfs:'\\/\\//}\n"
    "    withoutHost=${withoutProtocol#*\\/}\n"
    "    absolutePath='/'$withoutHost\n"
    "   cp $absolutePath $4\n"
    "  else\n"
    "    cp $3 $4\n"
    "  fi\n"
    "fi\n";

  string hadoopCommand = path::join(hadoopBinPath, "hadoop");
  ASSERT_SOME(os::write(hadoopCommand, mockHadoopScript));
  ASSERT_SOME(os::chmod(hadoopCommand,
                        S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH));

  Try<Owned<cluster::Master>> master = StartMaster();
  ASSERT_SOME(master);

  const string directory = path::join(os::getcwd(), "archives");

  Future<Nothing> testImage = DockerArchive::create(directory, "alpine");
  AWAIT_READY(testImage);

  ASSERT_TRUE(os::exists(path::join(directory, "alpine.tar")));

  slave::Flags flags = CreateSlaveFlags();
  flags.isolation = "docker/runtime,filesystem/linux";