88 lines
3.4 KiB
Bash
Executable File
88 lines
3.4 KiB
Bash
Executable File
#!/bin/bash
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# Copyright 2017 The Kubernetes Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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set -o xtrace
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set -o errexit
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set -o nounset
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set -o pipefail
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# CRI_CONTAINERD_HOME is the directory for cri-containerd.
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CRI_CONTAINERD_HOME="/home/cri-containerd"
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cd "${CRI_CONTAINERD_HOME}"
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# fetch_metadata fetches metadata from GCE metadata server.
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# Var set:
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# 1. Metadata key: key of the metadata.
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fetch_metadata() {
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local -r key=$1
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local -r attributes="http://metadata.google.internal/computeMetadata/v1/instance/attributes"
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if curl --fail --retry 5 --retry-delay 3 --silent --show-error -H "X-Google-Metadata-Request: True" "${attributes}/" | \
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grep -q "${key}"; then
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curl --fail --retry 5 --retry-delay 3 --silent --show-error -H "X-Google-Metadata-Request: True" \
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"${attributes}/${key}"
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fi
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}
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# DEPLOY_PATH is the gcs path where cri-containerd tarball is stored.
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DEPLOY_PATH=${DEPLOY_PATH:-"cri-containerd-staging"}
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# PULL_REFS_METADATA is the metadata key of PULL_REFS from prow.
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PULL_REFS_METADATA="PULL_REFS"
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pull_refs=$(fetch_metadata "${PULL_REFS_METADATA}")
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if [ ! -z "${pull_refs}" ]; then
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deploy_dir=$(echo "${pull_refs}" | sha1sum | awk '{print $1}')
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DEPLOY_PATH="${DEPLOY_PATH}/${deploy_dir}"
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fi
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# PKG_PREFIX is the prefix of the cri-containerd tarball name.
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# By default use the release tarball with cni built in.
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PKG_PREFIX=${PKG_PREFIX:-"cri-containerd-cni"}
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# PKG_PREFIX_METADATA is the metadata key of PKG_PREFIX.
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PKG_PREFIX_METADATA="pkg_prefix"
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pkg_prefix=$(fetch_metadata "${PKG_PREFIX_METADATA}")
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if [ ! -z "${pkg_prefix}" ]; then
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PKG_PREFIX=${pkg_prefix}
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fi
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# VERSION is the latest cri-containerd version got from cri-containerd gcs
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# bucket.
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VERSION=$(curl -f --ipv4 --retry 6 --retry-delay 3 --silent --show-error \
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https://storage.googleapis.com/${DEPLOY_PATH}/latest)
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# TARBALL_GCS_PATH is the path to download cri-containerd tarball for node e2e.
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TARBALL_GCS_PATH="https://storage.googleapis.com/${DEPLOY_PATH}/${PKG_PREFIX}-${VERSION}.tar.gz"
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# TARBALL is the name of the tarball after being downloaded.
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TARBALL="cri-containerd.tar.gz"
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# Download and untar the release tar ball.
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curl -f --ipv4 -Lo "${TARBALL}" --connect-timeout 20 --max-time 300 --retry 6 --retry-delay 10 "${TARBALL_GCS_PATH}"
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tar xvf "${TARBALL}"
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# TODO(random-liu): Stop docker on the node, this may break docker.
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echo "export PATH=${CRI_CONTAINERD_HOME}/usr/local/bin/:${CRI_CONTAINERD_HOME}/usr/local/sbin/:\$PATH" > \
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/etc/profile.d/cri-containerd_env.sh
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# EXTRA_INIT_SCRIPT is the name of the extra init script after being downloaded.
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EXTRA_INIT_SCRIPT="extra-init.sh"
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# EXTRA_INIT_SCRIPT_METADATA is the metadata key of init script.
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EXTRA_INIT_SCRIPT_METADATA="extra-init-sh"
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extra_init=$(fetch_metadata "${EXTRA_INIT_SCRIPT_METADATA}")
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# Return if extra-init-sh is not set.
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if [ -z "${extra_init}" ]; then
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exit 0
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fi
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echo "${extra_init}" > "${EXTRA_INIT_SCRIPT}"
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chmod 544 "${EXTRA_INIT_SCRIPT}"
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./${EXTRA_INIT_SCRIPT}
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