Include image test as part of kokoro tests

PiperOrigin-RevId: 201427731
Change-Id: I5cbee383ec51c02b7892ec7812cbbdc426be8991

kokoro/gcp_ubuntu/run_tests.sh

@@ -31,6 +31,10 @@ cd git/repo
 # Build everything.
 bazel build //...
 
+# Test use this variable to determine what runtime to use.
+runtime=runsc_test_$((RANDOM))
+sudo -n ./runsc/test/image/install.sh --runtime ${runtime}
+
 # Run the tests and upload results.
 #
 # We turn off "-e" flag because we must move the log files even if the test
@@ -38,6 +42,15 @@ bazel build //...
 set +e
 bazel test --test_output=errors //...
 exit_code=${?}
+
+if [[ ${exit_code} -eq 0 ]]; then
+  # image_test is tagged manual
+  bazel test --test_output=errors --test_env=RUNSC_RUNTIME=${runtime} //runsc/test/image:image_test
+  exit_code=${?}
+fi
+
+# Best effort to uninstall
+sudo -n ./runsc/test/image/install.sh -u --runtime ${runtime}
 set -e
 
 # Find and rename all test xml and log files so that Sponge can pick them up.

runsc/test/image/image_test.go

@@ -13,7 +13,9 @@
 // limitations under the License.
 
 // Package image provides end-to-end image tests for runsc. These tests require
-// docker and runsc to be installed on the machine.
+// docker and runsc to be installed on the machine. To set it up, run:
+//
+//     ./runsc/test/image/install.sh [--runtime <name>]
 //
 // The tests expect the runtime name to be provided in the RUNSC_RUNTIME
 // environment variable (default: runsc-test).

runsc/test/image/install.sh

@@ -0,0 +1,85 @@
+#!/bin/bash
+
+# Copyright 2018 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Fail on any error
+set -e
+
+# Defaults
+declare runtime=runsc-test
+declare uninstall=0
+
+function findExe() {
+  local exe=${1}
+
+  local path=$(find bazel-bin/runsc -type f -executable -name "${exe}" | head -n1)
+  if [[ "${path}" == "" ]]; then
+    echo "Location of ${exe} not found in bazel-bin" >&2
+    exit 1
+  fi
+  echo "${path}"
+}
+
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    --runtime)
+      shift
+      [ "$#" -le 0 ] && echo "No runtime provided" && exit 1
+      runtime=$1
+      ;;
+    -u)
+      uninstall=1
+      ;;
+    *)
+      echo "Unknown option: ${1}"
+      echo ""
+      echo "Usage: ${0} [--runtime <name>] [-u]"
+      echo "  --runtime    sets the runtime name, default: runsc-test"
+      echo "  -u           uninstall the runtime"
+      exit 1
+  esac
+  shift
+done
+
+# Find location of executables.
+declare -r dockercfg=$(findExe dockercfg)
+[[ "${dockercfg}" == "" ]] && exit 1
+
+declare runsc=$(findExe runsc)
+[[ "${runsc}" == "" ]] && exit 1
+
+if [[ ${uninstall} == 0 ]]; then
+  rm -rf /tmp/${runtime}
+  mkdir -p /tmp/${runtime}
+  cp "${runsc}" /tmp/${runtime}/runsc
+  runsc=/tmp/${runtime}/runsc
+
+  # Make tmp dir and runsc binary readable and executable to all users, since it
+  # will run in an empty user namespace.
+  chmod a+rx "${runsc}" $(dirname "${runsc}")
+
+  # Make log dir executable and writable to all users for the same reason.
+  declare logdir=/tmp/"${runtime?}/logs"
+  mkdir -p "${logdir}"
+  sudo -n chmod a+wx "${logdir}"
+
+  sudo -n "${dockercfg}" runtime-add "${runtime}" "${runsc}" --debug-log-dir "${logdir}" --debug --strace --log-packets
+
+else
+  sudo -n "${dockercfg}" runtime-rm "${runtime}"
+fi
+
+echo "Restarting docker service..."
+sudo -n /etc/init.d/docker restart