mirror of https://github.com/kubernetes/kops.git
146 lines
4.1 KiB
Go
146 lines
4.1 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package resources
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var VsphereNodeUpTemplate = `#!/bin/bash
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# Copyright 2016 The Kubernetes Authors All rights reserved.
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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 errexit
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set -o nounset
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set -o pipefail
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NODEUP_URL={{ NodeUpSource }}
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NODEUP_HASH={{ NodeUpSourceHash }}
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{{ Env1 }}
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{{ Env2 }}
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{{ Env3 }}
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function ensure-install-dir() {
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INSTALL_DIR="/var/cache/kubernetes-install"
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mkdir -p ${INSTALL_DIR}
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cd ${INSTALL_DIR}
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}
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# Retry a download until we get it. Takes a hash and a set of URLs.
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#
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# $1 is the sha1 of the URL. Can be "" if the sha1 is unknown.
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# $2+ are the URLs to download.
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download-or-bust() {
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local -r hash="$1"
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shift 1
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urls=( $* )
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while true; do
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for url in "${urls[@]}"; do
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local file="${url##*/}"
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rm -f "${file}"
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if ! curl -f --ipv4 -Lo "${file}" --connect-timeout 20 --retry 6 --retry-delay 10 "${url}"; then
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echo "== Failed to download ${url}. Retrying. =="
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elif [[ -n "${hash}" ]] && ! validate-hash "${file}" "${hash}"; then
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echo "== Hash validation of ${url} failed. Retrying. =="
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else
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if [[ -n "${hash}" ]]; then
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echo "== Downloaded ${url} (SHA1 = ${hash}) =="
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else
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echo "== Downloaded ${url} =="
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fi
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return
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fi
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done
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echo "All downloads failed; sleeping before retrying"
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sleep 60
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done
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}
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validate-hash() {
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local -r file="$1"
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local -r expected="$2"
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local actual
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actual=$(sha1sum ${file} | awk '{ print $1 }') || true
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if [[ "${actual}" != "${expected}" ]]; then
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echo "== ${file} corrupted, sha1 ${actual} doesn't match expected ${expected} =="
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return 1
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fi
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}
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function split-commas() {
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echo $1 | tr "," "\n"
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}
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function try-download-release() {
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# TODO(zmerlynn): Now we REALLY have no excuse not to do the reboot
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# optimization.
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local -r nodeup_urls=( $(split-commas "${NODEUP_URL}") )
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local -r nodeup_filename="${nodeup_urls[0]##*/}"
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if [[ -n "${NODEUP_HASH:-}" ]]; then
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local -r nodeup_hash="${NODEUP_HASH}"
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else
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# TODO: Remove?
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echo "Downloading sha1 (not found in env)"
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download-or-bust "" "${nodeup_urls[@]/%/.sha1}"
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local -r nodeup_hash=$(cat "${nodeup_filename}.sha1")
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fi
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echo "Downloading nodeup (${nodeup_urls[@]})"
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download-or-bust "${nodeup_hash}" "${nodeup_urls[@]}"
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chmod +x nodeup
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}
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function download-release() {
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# In case of failure checking integrity of release, retry.
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until try-download-release; do
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sleep 15
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echo "Couldn't download release. Retrying..."
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done
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echo "Running nodeup"
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# We can't run in the foreground because of https://github.com/docker/docker/issues/23793
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( cd ${INSTALL_DIR}; ./nodeup --install-systemd-unit --conf=/var/cache/kubernetes-install/kube_env.yaml --v=8 )
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}
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####################################################################################
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/bin/systemd-machine-id-setup || echo "failed to set up ensure machine-id configured"
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echo "== nodeup node config starting =="
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ensure-install-dir
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cat > kube_env.yaml << __EOF_KUBE_ENV
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{{ KubeEnv }}
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__EOF_KUBE_ENV
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download-release
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echo "== nodeup node config done =="
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`
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