k3s/cluster/vagrant/provision-master.sh

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#!/bin/bash
# Copyright 2014 Google Inc. 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.
# exit on any error
set -e
source $(dirname $0)/provision-config.sh
# Setup hosts file to support ping by hostname to each minion in the cluster from apiserver
minion_ip_array=(${MINION_IPS//,/ })
for (( i=0; i<${#MINION_NAMES[@]}; i++)); do
minion=${MINION_NAMES[$i]}
ip=${minion_ip_array[$i]}
if [ ! "$(cat /etc/hosts | grep $minion)" ]; then
echo "Adding $minion to hosts file"
echo "$ip $minion" >> /etc/hosts
fi
done
# Update salt configuration
mkdir -p /etc/salt/minion.d
echo "master: $MASTER_NAME" > /etc/salt/minion.d/master.conf
cat <<EOF >/etc/salt/minion.d/grains.conf
grains:
node_ip: $MASTER_IP
master_ip: $MASTER_IP
network_mode: openvswitch
etcd_servers: $MASTER_IP
cloud_provider: vagrant
roles:
- kubernetes-master
EOF
# Configure the salt-master
# Auto accept all keys from minions that try to join
mkdir -p /etc/salt/master.d
cat <<EOF >/etc/salt/master.d/auto-accept.conf
open_mode: True
auto_accept: True
EOF
cat <<EOF >/etc/salt/master.d/reactor.conf
# React to new minions starting by running highstate on them.
reactor:
- 'salt/minion/*/start':
- /srv/reactor/start.sls
EOF
cat <<EOF >/etc/salt/master.d/salt-output.conf
# Minimize the amount of output to terminal
state_verbose: False
state_output: mixed
EOF
# Configure nginx authorization
mkdir -p $KUBE_TEMP
mkdir -p /srv/salt/nginx
python $(dirname $0)/../../third_party/htpasswd/htpasswd.py -b -c ${KUBE_TEMP}/htpasswd $MASTER_USER $MASTER_PASSWD
MASTER_HTPASSWD=$(cat ${KUBE_TEMP}/htpasswd)
echo $MASTER_HTPASSWD > /srv/salt/nginx/htpasswd
# we will run provision to update code each time we test, so we do not want to do salt install each time
if ! which salt-master >/dev/null 2>&1; then
# Configure the salt-api
cat <<EOF >/etc/salt/master.d/salt-api.conf
# Set vagrant user as REST API user
external_auth:
pam:
vagrant:
- .*
rest_cherrypy:
port: 8000
host: 127.0.0.1
disable_ssl: True
webhook_disable_auth: True
EOF
# Install Salt
#
# -M installs the master
curl -sS -L --connect-timeout 20 --retry 6 --retry-delay 10 https://bootstrap.saltstack.com | sh -s -- -M
# Install salt-api
#
# This is used to inform the cloud provider used in the vagrant cluster
yum install -y salt-api
# Set log level to a level higher than "info" to prevent the message about
# enabling the service (which is not an error) from being printed to stderr.
SYSTEMD_LOG_LEVEL=notice systemctl enable salt-api
systemctl start salt-api
fi
# Build release
echo "Building release"
pushd /vagrant
./release/build-release.sh kubernetes
popd
echo "Running release install script"
pushd /vagrant/_output/release/master-release/src/scripts
./master-release-install.sh
popd
echo "Executing configuration"
salt '*' mine.update
salt --force-color '*' state.highstate