Consul 1.2.2 install script for Ubuntu

install-consul.sh

#!/bin/bash

# Consul 1.2.2 install script for Ubuntu.
# It downloads consul 1.2.2 and installs as daemon with default dummy configuration.
# https://www.consul.io

CONFIG='{
    "server": true,
    "bootstrap": true,
    "data_dir": "/var/consul"
}'

CONSUL_URL=https://releases.hashicorp.com/consul/1.2.2/consul_1.2.2_linux_amd64.zip


set -e

# Install required utils
apt-get update -y
apt-get install -y wget unzip

# Download and install copy
wget -O consul.zip ${CONSUL_URL}
unzip consul.zip
rm consul.zip

mv consul /usr/bin/
chmod +x /usr/bin/consul

# Create directories
mkdir -p /etc/consul
mkdir -p /var/consul

# Make configuration
cat > /etc/consul/consul.json << EOF
${CONFIG}
EOF

# Register as daemon
cat > /etc/systemd/system/consul.service << EOF
[Unit]
Description=Consul Agent
Requires=network-online.target
After=network-online.target

[Service]
Type=simple
Restart=on-failure
ExecStart=/usr/bin/consul agent -config-dir=/etc/consul
ExecReload=/bin/kill -SIGHUP $MAINPID
KillSignal=SIGINT

[Install]
WantedBy=multi-user.target
EOF

systemctl enable consul
systemctl start consul
systemctl status consul