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110 lines
3.8 KiB
Bash
Executable File
110 lines
3.8 KiB
Bash
Executable File
#!/bin/bash
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# Copyright 2014 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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# This script will set up the salt directory on the target server. It takes one
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# argument that is a tarball with the pre-compiled kubernetes server binaries.
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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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SALT_ROOT=$(dirname "${BASH_SOURCE}")
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readonly SALT_ROOT
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readonly KUBE_DOCKER_WRAPPED_BINARIES=(
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kube-apiserver
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kube-controller-manager
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kube-scheduler
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kube-proxy
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)
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readonly SERVER_BIN_TAR=${1-}
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if [[ -z "$SERVER_BIN_TAR" ]]; then
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echo "!!! No binaries specified"
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exit 1
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fi
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# Create a temp dir for untaring
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KUBE_TEMP=$(mktemp --tmpdir=/srv -d -t kubernetes.XXXXXX)
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trap 'rm -rf "${KUBE_TEMP}"' EXIT
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# This file is meant to run on the master. It will install the salt configs
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# into the appropriate place on the master. We do this by creating a new set of
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# salt trees and then quickly mv'ing them where the old ones were.
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readonly SALTDIRS=(salt pillar reactor)
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echo "+++ Installing salt files into new trees"
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rm -rf /srv/salt-new
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mkdir -p /srv/salt-new
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# This bash voodoo will prepend $SALT_ROOT to the start of each item in the
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# $SALTDIRS array
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cp -v -R --preserve=mode "${SALTDIRS[@]/#/${SALT_ROOT}/}" /srv/salt-new
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echo "+++ Installing salt overlay files"
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for dir in "${SALTDIRS[@]}"; do
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if [[ -d "/srv/salt-overlay/$dir" ]]; then
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cp -v -R --preserve=mode "/srv/salt-overlay/$dir" "/srv/salt-new/"
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fi
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done
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echo "+++ Install binaries from tar: $1"
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tar -xz -C "${KUBE_TEMP}" -f "$1"
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mkdir -p /srv/salt-new/salt/kube-bins
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mkdir -p /srv/salt-new/salt/kube-docs
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cp -v "${KUBE_TEMP}/kubernetes/server/bin/"* /srv/salt-new/salt/kube-bins/
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cp -v "${KUBE_TEMP}/kubernetes/LICENSES" /srv/salt-new/salt/kube-docs/
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cp -v "${KUBE_TEMP}/kubernetes/kubernetes-src.tar.gz" /srv/salt-new/salt/kube-docs/
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kube_bin_dir="/srv/salt-new/salt/kube-bins";
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docker_images_sls_file="/srv/salt-new/pillar/docker-images.sls";
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for docker_file in "${KUBE_DOCKER_WRAPPED_BINARIES[@]}"; do
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docker_tag=$(cat ${kube_bin_dir}/${docker_file}.docker_tag);
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if [[ ! -z "${KUBE_IMAGE_TAG:-}" ]]; then
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docker_tag="${KUBE_IMAGE_TAG}"
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fi
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sed -i "s/#${docker_file}_docker_tag_value#/${docker_tag}/" "${docker_images_sls_file}";
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done
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cat <<EOF >>"${docker_images_sls_file}"
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kube_docker_registry: '$(echo ${KUBE_DOCKER_REGISTRY:-gcr.io/google_containers})'
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EOF
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# TODO(zmerlynn): Forgive me, this is really gross. But in order to
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# avoid breaking the non-Salt deployments, which already painfully
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# have to templatize a couple of the add-ons anyways, manually
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# templatize the addon registry for regional support. When we get
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# better templating, we can fix this.
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readonly kube_addon_registry="${KUBE_ADDON_REGISTRY:-gcr.io/google_containers}"
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if [[ "${kube_addon_registry}" != "gcr.io/google_containers" ]]; then
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find /srv/salt-new -name \*.yaml -or -name \*.yaml.in | \
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xargs sed -ri "s@(image:\s.*)gcr.io/google_containers@\1${kube_addon_registry}@"
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# All the legacy .manifest files with hardcoded gcr.io are JSON.
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find /srv/salt-new -name \*.manifest -or -name \*.json | \
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xargs sed -ri "s@(image\":\s+\")gcr.io/google_containers@\1${kube_addon_registry}@"
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fi
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echo "+++ Swapping in new configs"
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for dir in "${SALTDIRS[@]}"; do
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if [[ -d "/srv/$dir" ]]; then
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rm -rf "/srv/$dir"
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fi
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mv -v "/srv/salt-new/$dir" "/srv/$dir"
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done
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rm -rf /srv/salt-new
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