prepnode.sh

#!/bin/bash

sudo yum makecache fast
sudo yum -y update

sudo systemctl stop firewalld && sudo systemctl disable firewalld
sudo sed -i s/SELINUX=enforcing/SELINUX=permissive/g /etc/selinux/config && sudo groupadd nogroup

sudo sed -i 's/^#\s*\(%wheel\s*ALL=(ALL)\s*NOPASSWD:\s*ALL\)/\1/' /etc/sudoers

sudo tee /root/.ssh/authorized_keys <<-'EOF'
ssh-rsa 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 devops@point.io
EOF

sudo tee /etc/modules-load.d/overlay.conf <<-'EOF'
overlay
EOF

sudo tee /etc/yum.repos.d/docker.repo <<-'EOF'
[dockerrepo]
name=Docker Repository
baseurl=https://yum.dockerproject.org/repo/main/centos/$releasever/
enabled=1
gpgcheck=1
gpgkey=https://yum.dockerproject.org/gpg
EOF

sudo mkdir -p /etc/systemd/system/docker.service.d && sudo tee /etc/systemd/system/docker.service.d/override.conf <<- EOF
[Service]
ExecStart=
ExecStart=/usr/bin/dockerd --storage-driver=overlay
EOF

sudo yum install -y docker-engine-1.13.1 nfs-utils libnfsidmap
sudo systemctl enable docker

# Enable the nfs client service
systemctl enable rpcbind
systemctl start rpcbind

#nfs server mount
mkdir /data
echo "10.1.10.110:/data 	/data	                nfs     rw,sync,hard,intr  0 0" >> /etc/fstab

# get jq binary
wget https://github.com/stedolan/jq/releases/download/jq-1.5/jq-linux64
cp jq-linux64 /usr/local/bin/jq

# reboot the server
sudo reboot