install consul server

install

#!/usr/bin/env bash
set -e

echo "Installing dependencies..."
if [ -x "$(command -v apt-get)" ]; then
  sudo su -s /bin/bash -c 'sleep 30 && apt-get update && apt-get install unzip' root
else
  sudo yum update -y
  sudo yum install -y unzip wget
fi


echo "Fetching Consul..."
CONSUL=1.0.0
cp consul.service /tmp/
cd /tmp
wget https://releases.hashicorp.com/consul/${CONSUL}/consul_${CONSUL}_linux_amd64.zip -O consul.zip --quiet
#wget https://raw.githubusercontent.com/hashicorp/consul/master/terraform/shared/scripts/rhel_consul.service -O consul.service --quiet
#wget https://gist.githubusercontent.com/Manc/a5f444a8eb89dfbcf530/raw/172dff0b216d1cd93443fe8b5fac0a8548669e9c/consul.service -O consul.service --quiet
wget https://gist.githubusercontent.com/fitz123/cb8355572f31d4144d90d5a3bd5fb3f0/raw/878beda60c28fe0180a82724700921c15292556a/consul.service -O consul.service --quiet
wget https://gist.githubusercontent.com/fitz123/e0f2a68d14b4349e1f71314674bfacd9/raw/f9edf7ea2e6187968819896285b7492e119de9e3/server -O server.hcl --quiet

echo "Installing Consul..."
unzip consul.zip >/dev/null
chmod +x consul
sudo mv consul /usr/local/bin/consul
sudo mkdir -p /opt/consul/data
sudo chown consul:consul -R /opt/consul
sudo chmod 0744 /opt/consul
sudo mkdir -p /run/consul
sudo chown consul:consul -R /run/consul
sudo chmod 0755 /run/consul

# Read from the file we created
#SERVER_COUNT=$(cat /tmp/consul-server-count | tr -d '\n')
#CONSUL_JOIN=$(cat /tmp/consul-server-addr | tr -d '\n')
SERVER_COUNT=${SERVER_COUNT:-1}
CONSUL_JOIN=${CONSUL_JOIN:-127.0.0.1}

# Write the flags to a temporary file
cat >/tmp/consul_flags << EOF
CONSUL_FLAGS="-server -bootstrap-expect=${SERVER_COUNT} -join=${CONSUL_JOIN} -data-dir=/opt/consul/data"
EOF

  echo "Installing Systemd service..."
  sudo mkdir -p /etc/sysconfig
  sudo mkdir -p /etc/consul.d
  sudo chown consul:consul /tmp/{consul.service,server.hcl}
  sudo mv /tmp/server.hcl /etc/consul.d/server.hcl
  sudo mv /tmp/consul.service /etc/systemd/system/consul.service
  sudo chmod 0644 /etc/systemd/system/consul.service
  sudo mv /tmp/consul_flags /etc/sysconfig/consul
  sudo chown consul:consul /etc/sysconfig/consul
  sudo chmod 0644 /etc/sysconfig/consul