neb/setup.sh

#!/bin/sh

# setup new server

## PREFLIGHT

ORIGIN_PWD="$PWD"

if ! [ "$UID" = "0" ]; then
    echo "please perform as root, attempting to escalate privileges..."
    exec sudo $(cat /proc/$$/cmdline | sed 's/\x00/ /g')
    exit 1
fi

if ! ssh git@git.ixvd.net; then
    echo "can't connect to git, please setup ssh"
    exit 1
fi

## MAIN

set -e

if ! [ -f "/etc/ixvd/version" ]; then
    echo "applying overlay..."
    cp -r skel /
fi

if ! [ -d "/etc/ixvd/secrets" ]; then
    echo "setting up ixvd/secrets"
    git clone git@git.ixvd.net:ixvd/secrets /etc/ixvd/secrets
fi

if ! [ -f "/root/.ssh/authorized_keys" ]; then
    echo "importing authorized_keys..."
    mkdir -p /root/.ssh
    cp /etc/ixvd/secrets/ssh/authorized_keys /root/.ssh/authorized_keys
else
    if ! grep -q "# IXVD keys" /root/.ssh/authorized_keys; then
        echo "importing authorized_keys..."
        cat /etc/ixvd/secrets/ssh/authorized_keys >> /root/.ssh/authorized_keys
    fi
fi

if ! grep -q "# cifs mount backups" /etc/fstab; then
    echo "modifying fstab..."
    cp /etc/fstab /etc/fstab.$(date +"%H-%M-%S_%d-%m-%y").bak
    . /etc/ixvd/secrets/backups.cifs
cat<<EOF>>/etc/fstab
# cifs mount backups
//$domain/backup  /mnt/backups  cifs  credentials=/etc/ixvd/secrets/backups.cifs,file_mode=0777,dir_mode=0777,noperm 0       0
EOF
fi

if ! [ -d "/mnt/backups" ]; then
    echo "mounting share..."
    mkdir /mnt/backups
    mount /mnt/backups
fi