EC2 の DHCP Option Sets (consul 用)

_.md

dhcp option sets 作成

$ aws ec2 create-dhcp-options --dhcp-configuration file://dhcp.json
{
    "DhcpOptions": {
        "DhcpConfigurations": [
            {
                "Values": [
                    "node.consul service.consul ap-northeast-1.compute.internal"
                ],
                "Key": "domain-name"
            },
            {
                "Values": [
                    "127.0.0.1",
                    "10.x.0.2"
                ],
                "Key": "domain-name-servers"
            }
        ],
        "DhcpOptionsId": "dopt-xxxxxxxx"
    }
}

VPC に associate

$ aws ec2 associate-dhcp-options --dhcp-options-id dopt-xxxxxxxx --vpc-id vpc-yyyyyyyy
{
    "return": "true"
}

dhcp.json

[
    {
        "Values": [
            "node.consul service.consul ap-northeast-1.compute.internal"
        ],
        "Key": "domain-name"
    },
    {
        "Values": [
            "127.0.0.1",
            "10.x.0.2" // show /etc/resolv.conf
        ],
        "Key": "domain-name-servers"
    }
]