85 lines
2.5 KiB
Bash
Executable File
85 lines
2.5 KiB
Bash
Executable File
#!/bin/bash
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set -o xtrace
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set -o errexit
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function setup_disk {
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if [ ! -f /swapfile ]; then
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sudo swapoff -a
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sudo dd if=/dev/zero of=/swapfile bs=1M count=4096
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sudo chmod 0600 /swapfile
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sudo mkswap /swapfile
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sudo /sbin/swapon /swapfile
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fi
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if [ ! -f /docker ]; then
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sudo dd if=/dev/zero of=/docker bs=1M count=20480
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sudo losetup -f /docker
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DEV=$(losetup -a | awk -F: '/\/docker/ {print $1}')
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fi
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# Excerpts from https://github.com/openstack-infra/devstack-gate/blob/dc49f9e6eb18e42c6b175e4e146fa8f3b7633279/functions.sh#L306
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if [ -b /dev/xvde ]; then
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DEV2='/dev/xvde'
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if mount | grep ${DEV2} > /dev/null; then
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echo "*** ${DEV2} appears to already be mounted"
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echo "*** ${DEV2} unmounting and reformating"
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sudo umount ${DEV2}
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fi
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sudo parted ${DEV2} --script -- mklabel msdos
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sync
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sudo partprobe
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sudo mkfs.ext4 ${DEV2}
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sudo mount ${DEV2} /mnt
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sudo find /opt/ -mindepth 1 -maxdepth 1 -exec mv {} /mnt/ \;
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sudo umount /mnt
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sudo mount ${DEV2} /opt
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grep -q ${DEV2} /proc/mounts || exit 1
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fi
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# Format Disks and setup Docker to use BTRFS
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sudo parted ${DEV} -s -- mklabel msdos
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sudo rm -rf /var/lib/docker
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sudo mkdir /var/lib/docker
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# We want to snapshot the entire docker directory so we have to first create a
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# subvolume and use that as the root for the docker directory.
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sudo mkfs.btrfs -f ${DEV}
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sudo mount ${DEV} /var/lib/docker
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sudo btrfs subvolume create /var/lib/docker/docker
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sudo umount /var/lib/docker
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sudo mount -o noatime,subvol=docker ${DEV} /var/lib/docker
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}
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# (SamYaple)TODO: Remove the path overriding
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export PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
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sudo tee /etc/yum.repos.d/docker.repo << EOF
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[docker]
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name=Docker Main Repository
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baseurl=https://yum.dockerproject.org/repo/main/centos/7
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enabled=1
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gpgcheck=1
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gpgkey=https://yum.dockerproject.org/gpg
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EOF
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sudo yum -y install libffi-devel openssl-devel docker-engine docker-engine-selinux btrfs-progs
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setup_disk
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# Setup Docker
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sudo mkdir /etc/systemd/system/docker.service.d
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sudo tee /etc/systemd/system/docker.service.d/kolla.conf << EOF
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[Service]
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ExecStart=
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ExecStart=/usr/bin/dockerd --storage-driver btrfs --insecure-registry $(cat /etc/nodepool/primary_node_private):4000
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MountFlags=shared
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EOF
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sudo systemctl daemon-reload
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sudo systemctl start docker
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sudo docker info
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echo "Completed $0."
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