| | # All the data below will be stored as a string object | |
| #cloud-config, see http://cloudinit.readthedocs.io/en/latest/topics/examples.html | |
| ssh_pwauth: True | |
| users: | |
| - name: root | |
| sudo: ALL=(ALL) NOPASSWD:ALL | |
| shell: /bin/bash | |
| ssh_authorized_keys: | |
| {% for key in config.underlay.ssh_keys %} | |
| - ssh-rsa {{ key['public'] }} | |
| {% endfor %} | |
| disable_root: false | |
| chpasswd: | |
| list: | | |
| root:r00tme | |
| expire: False | |
| bootcmd: | |
| # Block access to SSH while node is preparing | |
| - cloud-init-per once sudo iptables -A INPUT -p tcp --dport 22 -j DROP | |
| # Enable root access | |
| - sed -i -e '/^PermitRootLogin/s/^.*$/PermitRootLogin yes/' /etc/ssh/sshd_config | |
| - service sshd restart | |
| output: | |
| all: '| tee -a /var/log/cloud-init-output.log /dev/tty0' | |
| runcmd: | |
| # Mount config drive | |
| - mkdir /root/config-drive | |
| - mount /dev/sr0 /root/config-drive | |
| # Create swap | |
| - fallocate -l 4G /swapfile | |
| - chmod 600 /swapfile | |
| - mkswap /swapfile | |
| - swapon /swapfile | |
| - echo "/swapfile none swap defaults 0 0" >> /etc/fstab | |
| # Run user data script from config drive | |
| - cd /root/config-drive && /bin/bash -xe ./user-data | |
| # Enable root access | |
| - sed -i -e '/^PermitRootLogin/s/^.*$/PermitRootLogin yes/' /etc/ssh/sshd_config | |
| ######################################################## | |
| # Node is ready, allow SSH access | |
| - echo "Allow SSH access ..." | |
| - sudo iptables -D INPUT -p tcp --dport 22 -j DROP | |
| ######################################################## | |
| write_files: | |
| - path: /root/.ssh/config | |
| owner: root:root | |
| permissions: '0600' | |
| content: | | |
| Host * | |
| ServerAliveInterval 300 | |
| ServerAliveCountMax 10 | |
| StrictHostKeyChecking no | |
| UserKnownHostsFile /dev/null |