Update cri-tools and build critest into release tarball again.

Signed-off-by: Lantao Liu <lantaol@google.com>

hack/install/install-critools.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+
+# Copyright 2018 The containerd Authors.
+#
+# 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.
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+source $(dirname "${BASH_SOURCE[0]}")/utils.sh
+CRITOOL_DIR=${DESTDIR}/usr/local/bin
+CRICTL_CONFIG_DIR=${DESTDIR}/etc
+
+# Create a temporary GOPATH for crictl installation.
+TMPGOPATH=$(mktemp -d /tmp/cri-install-crictl.XXXX)
+GOPATH=${TMPGOPATH}
+
+#Install crictl
+checkout_repo ${CRITOOL_PKG} ${CRITOOL_VERSION} ${CRITOOL_REPO}
+cd ${GOPATH}/src/${CRITOOL_PKG}
+make
+${SUDO} make install -e BINDIR=${CRITOOL_DIR} GOPATH=${GOPATH}
+${SUDO} mkdir -p ${CRICTL_CONFIG_DIR}
+${SUDO} bash -c 'cat >'${CRICTL_CONFIG_DIR}'/crictl.yaml <<EOF
+runtime-endpoint: /run/containerd/containerd.sock
+EOF'
+
+# Clean the tmp GOPATH dir.
+rm -rf ${TMPGOPATH}