list-13-3-4_userdata_consul-dbs.txt

#!/bin/bash
cp /usr/share/zoneinfo/Asia/Tokyo /etc/localtime
cd /root
git clone -q https://github.com/josug-book1-materials/sample-app.git
cd sample-app
git checkout -b v1.0 remotes/origin/v1.0
sh /root/sample-app/server-setup/install_db.sh
service mysqld stop
echo "LABEL=mysql_data /var/lib/mysql ext4 defaults,noatime 0 2" >> /etc/fstab
mount /var/lib/mysql/
service mysqld start

# Consul エージェントのセットアップ
yum install -y -q git jq
git clone -q https://github.com/josug-book1-materials/chapter13.git
cd chapter13/install_chap13 && sh install_consul.sh
mkdir -p /opt/consul/conf
cat << EOF > /opt/consul/conf/mysql.json
{
    "service": {
        "name": "mysql",
        "port": 3306,
        "check": {
            "script": "/usr/bin/mysqladmin -h 127.0.0.1 ping > /dev/null 2>&1",
            "interval": "10s"
        }
    }
}
EOF

# IP アドレス取得とエージェントの起動
yum install -y python-pip
pip install python-novaclient
cat << EOF > /root/openrc

# 以下を自分の環境に合わせて値を変えてください。
export OS_AUTH_URL=http://192.168.100.10:5000/v2.0/
export OS_REGION_NAME=RegionOne
export OS_TENANT_NAME=SNSApp
export OS_USERNAME=snsapp-infra-user
export OS_PASSWORD=passw0rd
EOF
source /root/openrc
function get_uuid () { cat - | grep " id " | awk '{print $4}'; }
export CONSUL_SERVER=`curl -s http://169.254.169.254/openstack/latest/meta_data.json | \
    jq -r '.meta["CONSUL_SERVER"]'`

/usr/local/bin/consul agent -dc=openstack -data-dir=/opt/consul/dat/ \
    -config-dir=/opt/consul/conf/ -join=${CONSUL_SERVER} &
echo "##### Userdata script completed #####"