tcp_tests/templates/local_dns/underlay--user-data1604.yaml

| # 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:
   - export TERM=linux
   - export LANG=C
   # Configure dhclient
   - sudo echo "nameserver {gateway}" >> /etc/resolvconf/resolv.conf.d/base
   - sudo resolvconf -u

   # Prepare network connection
   - sudo ifup ens3
   #- sudo route add default gw {gateway} {interface_name}
   - sudo ifup ens4

   # Create swap
   - fallocate -l 4G /swapfile
   - chmod 600 /swapfile
   - mkswap /swapfile
   - swapon /swapfile
   - echo "/swapfile   none    swap    defaults   0   0" >> /etc/fstab


   ############## Cloud repo01 node ##################
   - echo "nameserver 172.18.208.44" >> /etc/resolv.conf;
   - echo "nameserver 8.8.8.8" >> /etc/resolv.conf;
   - export LOCAL_DNS_IP=$(ifconfig ens3 | grep "inet addr" | cut -d ':' -f 2 | cut -d ' ' -f 1)
   - which wget >/dev/null || (apt-get update; apt-get install -y wget);

   - echo "deb [arch=amd64] http://apt.mirantis.com/xenial {{ REPOSITORY_SUITE }} salt extra" > /etc/apt/sources.list.d/mcp_salt.list;
   - wget -O - http://apt.mirantis.com/public.gpg | apt-key add -;
   - echo "deb http://repo.saltstack.com/apt/ubuntu/16.04/amd64/2016.3 xenial main" > /etc/apt/sources.list.d/saltstack.list;
   - wget -O - https://repo.saltstack.com/apt/ubuntu/16.04/amd64/2016.3/SALTSTACK-GPG-KEY.pub | apt-key add -;

   - eatmydata apt-get clean && apt-get update

   # Install common packages
   - eatmydata apt-get install -y salt-minion python-pip git curl tmux byobu iputils-ping traceroute htop tree;
   - cd /tmp;
   - git clone https://github.com/TatyankaLeontovich/salt-formula-nginx;
   - git clone https://github.com/TatyankaLeontovich/salt-dnsmasq;
   - git clone https://github.com/TatyankaLeontovich/underpillar;
   - mkdir -p /srv/pillar/;
   - mkdir -p /srv/salt;
   - cd /srv/salt;
   - ln -s /tmp/salt-formula-nginx/nginx;
   - ln -s /tmp/salt-dnsmasq/dnsmasq;
   - cp /tmp/underpillar/pillar/*.sls /srv/pillar/;
   - cp /tmp/underpillar/states/*.sls /srv/salt/;
   - cp /srv/pillar/top_localdns.sls /srv/pillar/top.sls;
   - cp /srv/salt/top_localdns.sls /srv/salt/top.sls;
   - find /srv/pillar/ -type f -exec sed -i "s/==LOCAL_DNS_IP==/${LOCAL_DNS_IP}/g" {} +
   - salt-call --local  --state-output=mixed state.sls dnsmasq;
   - salt-call --local  --state-output=mixed state.sls nginx;
   ########################################################
   # Node is ready, allow SSH access
   - echo "Allow SSH access ..."
   - sudo iptables -D INPUT -p tcp --dport 22 -j DROP
   ########################################################

  write_files:
   - path: /etc/network/interfaces
     content: |
          auto ens3
          iface ens3 inet dhcp
          auto ens4
          iface ens4 inet dhcp

   - path: /root/.ssh/config
     owner: root:root
     permissions: '0600'
     content: |
          Host *
            ServerAliveInterval 300
            ServerAliveCountMax 10
            StrictHostKeyChecking no
            UserKnownHostsFile /dev/null