gvisor/tools/installers/containerd.sh

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#!/bin/bash
# Copyright 2019 The gVisor 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 -xeo pipefail
declare -r CONTAINERD_VERSION=${CONTAINERD_VERSION:-1.3.0}
declare -r CONTAINERD_MAJOR="$(echo ${CONTAINERD_VERSION} | awk -F '.' '{ print $1; }')"
declare -r CONTAINERD_MINOR="$(echo ${CONTAINERD_VERSION} | awk -F '.' '{ print $2; }')"
# Default to an older version for crictl for containerd <= 1.2.
if [[ "${CONTAINERD_MAJOR}" -eq 1 ]] && [[ "${CONTAINERD_MINOR}" -le 2 ]]; then
declare -r CRITOOLS_VERSION=${CRITOOLS_VERSION:-1.13.0}
else
declare -r CRITOOLS_VERSION=${CRITOOLS_VERSION:-1.18.0}
fi
# Helper for Go packages below.
install_helper() {
PACKAGE="${1}"
TAG="${2}"
# Clone the repository.
mkdir -p "${GOPATH}"/src/$(dirname "${PACKAGE}") && \
git clone https://"${PACKAGE}" "${GOPATH}"/src/"${PACKAGE}"
# Checkout and build the repository.
(cd "${GOPATH}"/src/"${PACKAGE}" && \
git checkout "${TAG}" && \
make && \
make install)
}
# Install dependencies for the crictl tests.
while true; do
if (apt-get update && apt-get install -y \
btrfs-tools \
libseccomp-dev); then
break
fi
result=$?
if [[ $result -ne 100 ]]; then
exit $result
fi
done
# Install containerd & cri-tools.
declare -rx GOPATH=$(mktemp -d --tmpdir gopathXXXXX)
install_helper github.com/containerd/containerd "v${CONTAINERD_VERSION}" "${GOPATH}"
install_helper github.com/kubernetes-sigs/cri-tools "v${CRITOOLS_VERSION}" "${GOPATH}"
# Configure containerd-shim.
#
# Note that for versions <= 1.1 the legacy shim must be installed in /usr/bin,
# which should align with the installer script in head.sh (or master.sh).
if [[ "${CONTAINERD_MAJOR}" -le 1 ]] && [[ "${CONTAINERD_MINOR}" -lt 2 ]]; then
declare -r shim_config_path=/etc/containerd/gvisor-containerd-shim.toml
mkdir -p $(dirname ${shim_config_path})
cat > ${shim_config_path} <<-EOF
runc_shim = "/usr/bin/containerd-shim"
[runsc_config]
debug = "true"
debug-log = "/tmp/runsc-logs/"
strace = "true"
file-access = "shared"
EOF
fi
# Configure CNI.
(cd "${GOPATH}" && src/github.com/containerd/containerd/script/setup/install-cni)
cat <<EOF | sudo tee /etc/cni/net.d/10-bridge.conf
{
"cniVersion": "0.3.1",
"name": "bridge",
"type": "bridge",
"bridge": "cnio0",
"isGateway": true,
"ipMasq": true,
"ipam": {
"type": "host-local",
"ranges": [
[{"subnet": "10.200.0.0/24"}]
],
"routes": [{"dst": "0.0.0.0/0"}]
}
}
EOF
cat <<EOF | sudo tee /etc/cni/net.d/99-loopback.conf
{
"cniVersion": "0.3.1",
"type": "loopback"
}
EOF
# Configure crictl.
cat <<EOF | sudo tee /etc/crictl.yaml
runtime-endpoint: unix:///run/containerd/containerd.sock
EOF
# Cleanup.
rm -rf "${GOPATH}"