infra: Adding kokoro setup.

Signed-off-by: Tim 'mithro' Ansell <me@mith.ro>

.github/kokoro/continuous.cfg

@@ -0,0 +1,13 @@
+# Format: kokoro/config/proto/build.proto
+
+build_file: "skywater-pdk/.github/kokoro/run.sh"
+
+env_vars {
+  key: "KOKORO_TYPE"
+  value: "continuous"
+}
+
+env_vars {
+  key: "KOKORO_DIR"
+  value: "skywater-pdk"
+}

.github/kokoro/presubmit.cfg

@@ -0,0 +1,13 @@
+# Format: kokoro/config/proto/build.proto
+
+build_file: "skywater-pdk/.github/kokoro/run.sh"
+
+env_vars {
+  key: "KOKORO_TYPE"
+  value: "presubmit"
+}
+
+env_vars {
+  key: "KOKORO_DIR"
+  value: "skywater-pdk"
+}

.github/kokoro/run.sh

@@ -0,0 +1,57 @@
+#!/bin/bash
+# -*- coding: utf-8 -*-
+#
+# Copyright 2020 Regents of the University of California
+#
+# 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.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+set -e
+
+CALLED=$_
+[[ "${BASH_SOURCE[0]}" != "${0}" ]] && SOURCED=1 || SOURCED=0
+
+SCRIPT_SRC="$(realpath ${BASH_SOURCE[0]})"
+SCRIPT_DIR="$(dirname "${SCRIPT_SRC}")"
+
+export PATH="/usr/sbin:/usr/bin:/sbin:/bin"
+
+cd github/$KOKORO_DIR
+
+. $SCRIPT_DIR/steps/auth.sh
+. $SCRIPT_DIR/steps/git.sh
+. $SCRIPT_DIR/steps/hostsetup.sh
+. $SCRIPT_DIR/steps/hostinfo.sh
+
+set -e
+
+echo
+echo "========================================"
+echo "Setting up build environment"
+echo "----------------------------------------"
+make env
+echo "----------------------------------------"
+
+echo
+echo "========================================"
+echo "Checkout all the submodules"
+echo "----------------------------------------"
+DOWNLOAD_JOBS=$(($CORES*2))
+git submodule update --init --jobs $DOWNLOAD_JOBS
+
+echo
+echo "========================================"
+echo "Build the timing libraries"
+echo "----------------------------------------"
+make -j timing

.github/kokoro/steps/auth.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+# -*- coding: utf-8 -*-
+#
+# Copyright 2020 Regents of the University of California
+#
+# 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.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+set -e
+
+echo
+echo "========================================"
+echo "Setting up authentication"
+echo "----------------------------------------"
+(
+	cd $KOKORO_ARTIFACTS_DIR
+	ls -l
+	# Run the GOB cookie daemon to allow cloning from
+	# foss-eda-tools.googlesource.com
+	git clone https://gerrit.googlesource.com/gcompute-tools \
+		   $KOKORO_ARTIFACTS_DIR/gcompute-tools
+	$KOKORO_ARTIFACTS_DIR/gcompute-tools/git-cookie-authdaemon
+)
+echo "----------------------------------------"

.github/kokoro/steps/git.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+# -*- coding: utf-8 -*-
+#
+# Copyright 2020 Regents of the University of California
+#
+# 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.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+set -e
+
+echo
+echo "========================================"
+echo "Git log"
+echo "----------------------------------------"
+git log -n5 --stat
+echo "----------------------------------------"
+
+echo
+echo "========================================"
+echo "Git fetching tags"
+echo "----------------------------------------"
+# Don't fail if there are no tags
+git fetch --tags || true
+echo "----------------------------------------"
+
+echo
+echo "========================================"
+echo "Git version info"
+echo "----------------------------------------"
+git log -n1
+echo "----------------------------------------"
+git describe --tags || true
+echo "----------------------------------------"
+git describe --tags --always || true
+echo "----------------------------------------"

.github/kokoro/steps/hostinfo.sh

@@ -0,0 +1,51 @@
+#!/bin/bash
+# -*- coding: utf-8 -*-
+#
+# Copyright 2020 Regents of the University of California
+#
+# 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.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+set -e
+
+echo
+echo "========================================"
+echo "Host Environment"
+echo "----------------------------------------"
+export
+echo "----------------------------------------"
+
+echo
+echo "========================================"
+echo "Host CPU"
+echo "----------------------------------------"
+export CORES=$(nproc --all)
+echo "Cores: $CORES"
+echo
+echo "Memory"
+echo "----------------------------------------"
+cat /proc/meminfo
+echo "----------------------------------------"
+export MEM_GB=$(($(awk '/MemTotal/ {print $2}' /proc/meminfo)/(1024*1024)))
+echo "Memory (GB): $CORES"
+export MEM_CORES=$(($MEM_GB/4))
+
+echo
+echo "========================================"
+echo "Package version"
+echo "----------------------------------------"
+set -x
+gcc --version
+set +x
+echo "----------------------------------------"

.github/kokoro/steps/hostsetup.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+# -*- coding: utf-8 -*-
+#
+# Copyright 2020 Regents of the University of California
+#
+# 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.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+set -e
+
+echo
+echo "========================================"
+echo "Host updating packages"
+echo "----------------------------------------"
+sudo apt-get update
+echo "----------------------------------------"
+
+echo
+echo "========================================"
+echo "Host install packages"
+echo "----------------------------------------"
+sudo apt-get install -y \
+            bash \
+            build-essential \
+            ca-certificates \
+            colordiff \
+            coreutils \
+            git \
+            m4 \
+            make \
+            psmisc \
+            wget
+
+  echo "----------------------------------------"