【发布时间】:2016-07-28 00:30:19
【问题描述】:
我创建了启动具有 ELB 的 EC2 的自动缩放组。我的问题是如何使用 ansible 配置这些 EC2 实例? 在我使用 CNAME 之前,但现在我无法获取实例 dns。如果我错了,请纠正我。
我应该使用动态库存还是有其他选择?
我的云形成模板如下:
```
{
"AWSTemplateFormatVersion" : "2010-09-09",
"Description" : "Template create autoscaling group",
"Parameters": {
"devKeyPair": {
"Description": "Name of an existing EC2 KeyPair to enable SSH access to the instances",
"Type": "AWS::EC2::KeyPair::KeyName",
"Default" : "dev-key"
}
},
"Resources" : {
"LaunchConfig" : {
"Type" : "AWS::AutoScaling::LaunchConfiguration",
"Properties" : {
"KeyName" : { "Ref": "devKeyPair" },
"ImageId" : "ami-1effc703",
"UserData" : { "Fn::Base64" : { "Fn::Join" : ["", [
"#!/bin/bash\n", "\n", " echo 'Installing Git'\n"," yum --nogpgcheck -y install wget\n""] ]}},
"InstanceType" : "t2.small",
"BlockDeviceMappings" : [
{
"DeviceName" : "/dev/sda1",
"Ebs" : {
"VolumeSize" : "10",
"VolumeType" : "gp2",
"DeleteOnTermination" : "true"
}
}
]
}
},
"BackendGroup" : {
"Type" : "AWS::AutoScaling::AutoScalingGroup",
"Properties" : {
"AvailabilityZones" : ["eu-central-1a"],
"MinSize" : "1",
"MaxSize" : "1",
"LaunchConfigurationName" : { "Ref" : "LaunchConfig" },
"LoadBalancerNames" : [ { "Ref" : "ElasticLoadBalancer" } ],
"Tags": [
{
"ResourceType": "auto-scaling-group",
"ResourceId": "bas-auto",
"Value": "bas-dev",
"Key": "Name",
"PropagateAtLaunch" : "true"
}
]
}
},
"ElasticLoadBalancer": {
"Type": "AWS::ElasticLoadBalancing::LoadBalancer",
"Properties": {
"AvailabilityZones": ["eu-central-1a"],
"Listeners": [ {
"LoadBalancerPort": "80",
"InstancePort": "80",
"Protocol": "HTTP"
} ]
}
},
"BackendDNS" : {
"Type" : "AWS::Route53::RecordSetGroup",
"Properties" : {
"HostedZoneName" : "example.com.",
"Comment" : "Targered to Bas instance",
"RecordSets" : [{
"Name" : "bas-dev.example.com.",
"Type" : "CNAME",
"TTL" : "300",
"ResourceRecords" : [
{
"Fn::GetAtt": [ "ElasticLoadBalancer", "DNSName" ]
}
]
}]
}
},
}
}
```
【问题讨论】:
标签: amazon-ec2 ansible amazon-cloudformation autoscaling