github.com/rochacon/deis@v1.0.2-0.20150903015341-6839b592a1ff/contrib/linode/linode-user-data-template.yaml (about)

     1  #cloud-config
     2  hostname: $hostname
     3  coreos:
     4    fleet:
     5      metadata: name=%H
     6    units:
     7    - name: 00-eth0.network
     8      runtime: false
     9      content: |
    10        [Match]
    11        Name=eth0
    12  
    13        [Network]
    14        Address=$public_ipv4/24
    15        Address=$private_ipv4/17
    16        Gateway=$gateway.1
    17        DNS=72.14.179.5
    18        DNS=8.8.8.8
    19        DNS=208.67.222.222
    20    - name: disable-ipv6.service
    21      command: start
    22      content: |
    23        [Unit]
    24        Description=Disable IPv6. The notion of a security group does not exist on Linode. To make firewalling each Linode easier, disable IPv6.
    25        Before=network.target
    26  
    27        [Service]
    28        Type=oneshot
    29        ExecStart=/bin/sh -c "sysctl -w net.ipv6.conf.all.disable_ipv6=1"
    30      # use ntpd rather than timesyncd. timesyncd was not keeping the nodes close enough to keep ceph happy
    31    - name: systemd-timesyncd.service
    32      command: stop
    33      mask: true
    34    - name: ntpd.service
    35      command: start
    36      enable: true
    37  write_files:
    38    - path: /etc/environment
    39      content: |
    40        COREOS_PUBLIC_IPV4=$public_ipv4
    41        COREOS_PRIVATE_IPV4=$private_ipv4
    42    - path: /etc/systemd/system/ntpd.service.d/debug.conf
    43      content: |
    44        [Service]
    45        ExecStart=
    46        ExecStart=/usr/sbin/ntpd -g -n -f /var/lib/ntp/ntp.drift