#!/bin/bash set -o xtrace set -o errexit function setup_disk { if [ ! -f /swapfile ]; then sudo swapoff -a sudo dd if=/dev/zero of=/swapfile bs=1M count=4096 sudo chmod 0600 /swapfile sudo mkswap /swapfile sudo /sbin/swapon /swapfile fi if [ ! -f /docker ]; then sudo dd if=/dev/zero of=/docker bs=1M count=20480 sudo losetup -f /docker DEV=$(losetup -a | awk -F: '/\/docker/ {print $1}') fi # Format Disks and setup Docker to use BTRFS sudo parted ${DEV} -s -- mklabel msdos sudo rm -rf /var/lib/docker sudo mkdir /var/lib/docker # We want to snapshot the entire docker directory so we have to first create a # subvolume and use that as the root for the docker directory. sudo mkfs.btrfs -f ${DEV} sudo mount ${DEV} /var/lib/docker sudo btrfs subvolume create /var/lib/docker/docker sudo umount /var/lib/docker sudo mount -o noatime,subvol=docker ${DEV} /var/lib/docker } # (SamYaple)TODO: Remove the path overriding export PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" sudo tee /etc/yum.repos.d/docker.repo << EOF [docker] name=Docker Main Repository baseurl=https://yum.dockerproject.org/repo/main/centos/7 enabled=1 gpgcheck=1 gpgkey=https://yum.dockerproject.org/gpg EOF sudo yum -y install libffi-devel openssl-devel docker-engine{,-selinux}-1.13.1 btrfs-progs # Disable SELinux setenforce 0 setup_disk # Setup Docker sudo mkdir /etc/systemd/system/docker.service.d sudo tee /etc/systemd/system/docker.service.d/kolla.conf << EOF [Service] ExecStart= ExecStart=/usr/bin/dockerd --storage-driver btrfs --insecure-registry=$(cat /etc/nodepool/primary_node_private):4000 MountFlags=shared EOF sudo systemctl daemon-reload sudo systemctl start docker sudo docker info # disable ipv6 until we're sure routes to fedora mirrors work properly sudo sh -c 'echo "net.ipv6.conf.all.disable_ipv6 = 1" > /etc/sysctl.d/disable_ipv6.conf' sudo /usr/sbin/sysctl -p echo "Completed $0."