k3s/cluster/ubuntu/deployAddons.sh

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#!/bin/bash
# Copyright 2015 The Kubernetes Authors All rights reserved.
#
# 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.
# deploy the add-on services after the cluster is available
set -e
KUBE_ROOT=$(dirname "${BASH_SOURCE}")/../..
source "config-default.sh"
KUBECTL="${KUBE_ROOT}/cluster/kubectl.sh"
export KUBECTL_PATH="${KUBE_ROOT}/cluster/ubuntu/binaries/kubectl"
export KUBE_CONFIG_FILE=${KUBE_CONFIG_FILE:-${KUBE_ROOT}/cluster/ubuntu/config-default.sh}
function init {
echo "Creating kube-system namespace..."
# use kubectl to create kube-system namespace
NAMESPACE=`eval "${KUBECTL} get namespaces | grep kube-system | cat"`
if [ ! "$NAMESPACE" ]; then
${KUBECTL} create -f namespace.yaml
echo "The namespace 'kube-system' is successfully created."
else
echo "The namespace 'kube-system' is already there. Skipping."
fi
echo
}
function deploy_dns {
echo "Deploying DNS on Kubernetes"
sed -e "s/{{ pillar\['dns_replicas'\] }}/${DNS_REPLICAS}/g;s/{{ pillar\['dns_domain'\] }}/${DNS_DOMAIN}/g;" "${KUBE_ROOT}/cluster/addons/dns/skydns-rc.yaml.in" > skydns-rc.yaml
sed -e "s/{{ pillar\['dns_server'\] }}/${DNS_SERVER_IP}/g" "${KUBE_ROOT}/cluster/addons/dns/skydns-svc.yaml.in" > skydns-svc.yaml
KUBEDNS=`eval "${KUBECTL} get services --namespace=kube-system | grep kube-dns | cat"`
if [ ! "$KUBEDNS" ]; then
# use kubectl to create skydns rc and service
${KUBECTL} --namespace=kube-system create -f skydns-rc.yaml
${KUBECTL} --namespace=kube-system create -f skydns-svc.yaml
echo "Kube-dns rc and service is successfully deployed."
else
echo "Kube-dns rc and service is already deployed. Skipping."
fi
echo
}
function deploy_ui {
echo "Deploying Kubernetes UI..."
KUBEUI=`eval "${KUBECTL} get services --namespace=kube-system | grep kube-ui | cat"`
if [ ! "$KUBEUI" ]; then
# use kubectl to create kube-ui rc and service
${KUBECTL} --namespace=kube-system create \
-f ${KUBE_ROOT}/cluster/addons/kube-ui/kube-ui-rc.yaml
${KUBECTL} --namespace=kube-system create \
-f ${KUBE_ROOT}/cluster/addons/kube-ui/kube-ui-svc.yaml
echo "Kube-ui rc and service is successfully deployed."
else
echo "Kube-ui rc and service is already deployed. Skipping."
fi
echo
}
init
if [ "${ENABLE_CLUSTER_DNS}" == true ]; then
deploy_dns
fi
if [ "${ENABLE_CLUSTER_UI}" == true ]; then
deploy_ui
fi