blob: 6c89bfc9e2fd8b3007f4290e5110666ed2565bf3 [file] [log] [blame]
#!/usr/bin/env bash
#
# Copyright 2017-present Open Networking Foundation
#
# 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.
#
# Installs Kubespray on remote target machines.
#
set +e -u -o pipefail
install_kubespray () {
# Cleanup Old Kubespray Installations
echo -e "\nCleaning Up Old Kubespray Installation" && \
rm -rf kubespray
# Download Kubespray
echo -e "\nDownloading Kubespray" && \
git clone https://github.com/kubernetes-incubator/kubespray.git -b v2.4.0 && \
# Generate inventory and var files
echo -e "\nGenerating The Inventory File" && \
rm -rf "inventories/${DEPLOYMENT_NAME}" && \
cp -r "kubespray/inventory inventories/${DEPLOYMENT_NAME}" && \
CONFIG_FILE="inventories/${DEPLOYMENT_NAME}/inventory.cfg" python3 kubespray/contrib/inventory_builder/inventory.py "${NODES[@]}" && \
# Edit inventory var files
NODE_LIST=$(echo "${NODES[@]}")
ansible-playbook k8s-configs.yaml --extra-vars "deployment_name=${DEPLOYMENT_NAME} k8s_nodes='${NODE_LIST}'"
# Copy SSH keys
echo -e "\nCopying Public SSH Keys To Remote Machines" && \
source copy-ssh-keys.sh "${NODES[@]}" && \
# Prepare Target Machines
echo -e "\nInstalling Prerequisites On Remote Machines" && \
ansible-playbook -i "inventories/${DEPLOYMENT_NAME}/inventory.cfg" k8s-requirements.yaml && \
# Install Kubespray
echo -e "\nInstalling Kubespray" && \
ansible-playbook -i "inventories/${DEPLOYMENT_NAME}/inventory.cfg" kubespray/cluster.yml -b -v && \
# Export the Kubespray Config Location
echo -e "\nLoading Kubespray Configuration" && \
cp kubespray/artifacts/admin.conf "configs/${DEPLOYMENT_NAME}.conf"
}
#
# Exports the Kubespray Config Location
#
source_kubeconfig () {
export KUBECONFIG=${PWD}/configs/${DEPLOYMENT_NAME}.conf
}
#
# Helm init
#
helm_init () {
echo -e "\nInitializing Helm" && \
source_kubeconfig "$DEPLOYMENT_NAME" && \
helm init --upgrade
}
#
# Deploy an insecure registry
#
deploy_insecure_registry () {
echo -e "\nDeploying insecure registry" && \
source_kubeconfig "$DEPLOYMENT_NAME" && \
helm install stable/docker-registry --set service.nodePort=30500,service.type=NodePort -n docker-registry
}
#
# Checks if an arbitrary pod name is given during specifc
# operations.
#
check_pod_name () {
if [ -z "$DEPLOYMENT_NAME" ]
then
echo "Missing option: podname" >&2
echo " "
display_help
exit -1
fi
}
#
# Displays the help menu.
#
display_help () {
echo "Usage: $0 {--install|--source|--help} [podname] [ip...] " >&2
echo " "
echo " -h, --help Display this help message."
echo " -i, --install Install Kubespray on <podname>"
echo " -s, --source Source the Kubectl config for <podname>"
echo " "
echo " podname An arbitrary name representing the pod"
echo " ip The IP address of a remote node"
echo " "
echo "Example usages:"
echo " ./setup.sh -i podname 192.168.10.100 192.168.10.101 192.168.10.102"
echo " ./setup.sh -i podname (detault is 10.90.0.101 10.90.0.102 10.90.0.103)"
echo " source setup.sh -s podname"
}
#
# Init
#
CLI_OPT=$1
DEPLOYMENT_NAME=$2
shift 2
DEFAULT_NODES="10.90.0.101 10.90.0.102 10.90.0.103"
NODES=(${@:-$DEFAULT_NODES})
while :
do
case $CLI_OPT in
-i | --install)
check_pod_name
install_kubespray "$DEPLOYMENT_NAME" "$NODES"
helm_init "$DEPLOYMENT_NAME"
deploy_insecure_registry "$DEPLOYMENT_NAME"
exit 0
;;
-h | --help)
display_help
exit 0
;;
-s | --source)
check_pod_name
source_kubeconfig "$DEPLOYMENT_NAME"
return 0
;;
--) # End of all options
shift
break
;;
*)
echo Error: Unknown option: "$CLI_OPT" >&2
echo " "
display_help
exit -1
;;
esac
done