在我们的模板中，我们设置java，构建我们的应用程序并尝试运行它。
一切都按预期工作，但运行应用程序只是不起作用。我似乎AWS正在等待命令完成但从未得到响应（因为我们的Spring Boot Rest后端将需要终止以返回命令）。我知道我们在模板中做了一些我们不应该做的事情，但我们如何从该模板中运行应用程序，以便AWS接受状态为健康（因此不会回滚）？ 专注于init部分中的命令。这就是发生的事情。
{
"AWSTemplateFormatVersion": "2010-09-09",
"Description": "AWS playground",
"Parameters": {
"KeyName": {
"Description": "Key Pair name",
"Type": "AWS::EC2::KeyPair::KeyName",
"Default": "xyz"
}
},
"Mappings": {
"EC2RegionMap": {
"ap-northeast-1": {"AmazonLinuxAMIHVMEBSBacked64bit": "ami-cbf90ecb"},
"ap-southeast-1": {"AmazonLinuxAMIHVMEBSBacked64bit": "ami-68d8e93a"},
"ap-southeast-2": {"AmazonLinuxAMIHVMEBSBacked64bit": "ami-fd9cecc7"},
"eu-central-1": {"AmazonLinuxAMIHVMEBSBacked64bit": "ami-a8221fb5"},
"eu-west-1": {"AmazonLinuxAMIHVMEBSBacked64bit": "ami-a10897d6"},
"sa-east-1": {"AmazonLinuxAMIHVMEBSBacked64bit": "ami-b52890a8"},
"us-east-1": {"AmazonLinuxAMIHVMEBSBacked64bit": "ami-1ecae776"},
"us-west-1": {"AmazonLinuxAMIHVMEBSBacked64bit": "ami-d114f295"},
"us-west-2": {"AmazonLinuxAMIHVMEBSBacked64bit": "ami-e7527ed7"}
}
},
"Resources": {
"VPC": {
"Type": "AWS::EC2::VPC",
"Properties": {
"CidrBlock": "172.31.0.0/16",
"EnableDnsHostnames": "true"
}
},
"InternetGateway": {
"Type": "AWS::EC2::InternetGateway",
"Properties": {}
},
"VPCGatewayAttachment": {
"Type": "AWS::EC2::VPCGatewayAttachment",
"Properties": {
"VpcId": {"Ref": "VPC"},
"InternetGatewayId": {"Ref": "InternetGateway"}
}
},
"SubnetA": {
"Type": "AWS::EC2::Subnet",
"Properties": {
"AvailabilityZone": {"Fn::Select": ["0", {"Fn::GetAZs": ""}]},
"CidrBlock": "172.31.38.0/24",
"VpcId": {"Ref": "VPC"}
}
},
"SubnetB": {
"Type": "AWS::EC2::Subnet",
"Properties": {
"AvailabilityZone": {"Fn::Select": ["1", {"Fn::GetAZs": ""}]},
"CidrBlock": "172.31.37.0/24",
"VpcId": {"Ref": "VPC"}
}
},
"RouteTable": {
"Type": "AWS::EC2::RouteTable",
"Properties": {
"VpcId": {"Ref": "VPC"}
}
},
"RouteTableAssociationA": {
"Type": "AWS::EC2::SubnetRouteTableAssociation",
"Properties": {
"SubnetId": {"Ref": "SubnetA"},
"RouteTableId": {"Ref": "RouteTable"}
}
},
"RouteTableAssociationB": {
"Type": "AWS::EC2::SubnetRouteTableAssociation",
"Properties": {
"SubnetId": {"Ref": "SubnetB"},
"RouteTableId": {"Ref": "RouteTable"}
}
},
"RoutePublicNATToInternet": {
"Type": "AWS::EC2::Route",
"Properties": {
"RouteTableId": {"Ref": "RouteTable"},
"DestinationCidrBlock": "0.0.0.0/0",
"GatewayId": {"Ref": "InternetGateway"}
},
"DependsOn": "VPCGatewayAttachment"
},
"NetworkAcl": {
"Type": "AWS::EC2::NetworkAcl",
"Properties": {
"VpcId": {"Ref": "VPC"}
}
},
"SubnetNetworkAclAssociationA": {
"Type": "AWS::EC2::SubnetNetworkAclAssociation",
"Properties": {
"SubnetId": {"Ref": "SubnetA"},
"NetworkAclId": {"Ref": "NetworkAcl"}
}
},
"SubnetNetworkAclAssociationB": {
"Type": "AWS::EC2::SubnetNetworkAclAssociation",
"Properties": {
"SubnetId": {"Ref": "SubnetB"},
"NetworkAclId": {"Ref": "NetworkAcl"}
}
},
"NetworkAclEntryIngress": {
"Type": "AWS::EC2::NetworkAclEntry",
"Properties": {
"NetworkAclId": {"Ref": "NetworkAcl"},
"RuleNumber": "100",
"Protocol": "-1",
"RuleAction": "allow",
"Egress": "false",
"CidrBlock": "0.0.0.0/0"
}
},
"NetworkAclEntryEgress": {
"Type": "AWS::EC2::NetworkAclEntry",
"Properties": {
"NetworkAclId": {"Ref": "NetworkAcl"},
"RuleNumber": "100",
"Protocol": "-1",
"RuleAction": "allow",
"Egress": "true",
"CidrBlock": "0.0.0.0/0"
}
},
"LoadBalancer": {
"Type": "AWS::ElasticLoadBalancing::LoadBalancer",
"Properties": {
"Subnets": [{"Ref": "SubnetA"}, {"Ref": "SubnetB"}],
"LoadBalancerName": "school-elb",
"Listeners": [{
"InstancePort": "80",
"InstanceProtocol": "HTTP",
"LoadBalancerPort": "80",
"Protocol": "HTTP"
}],
"HealthCheck": {
"HealthyThreshold": "2",
"Interval": "5",
"Target": "TCP:80",
"Timeout": "3",
"UnhealthyThreshold": "2"
},
"SecurityGroups": [{"Ref": "LoadBalancerSecurityGroup"}],
"Scheme": "internet-facing"
},
"DependsOn": "VPCGatewayAttachment"
},
"LoadBalancerSecurityGroup": {
"Type": "AWS::EC2::SecurityGroup",
"Properties": {
"GroupDescription": "school-elb-sg",
"VpcId": {"Ref": "VPC"},
"SecurityGroupIngress": [{
"CidrIp": "0.0.0.0/0",
"FromPort": "80",
"IpProtocol": "tcp",
"ToPort": "80"
}]
}
},
"WebServerSecurityGroup": {
"Type": "AWS::EC2::SecurityGroup",
"Properties": {
"GroupDescription": "school-sg",
"VpcId": {"Ref": "VPC"},
"SecurityGroupIngress": [{
"CidrIp": "0.0.0.0/0",
"FromPort": "22",
"IpProtocol": "tcp",
"ToPort": "22"
}, {
"FromPort": "80",
"ToPort": "80",
"IpProtocol": "tcp",
"SourceSecurityGroupId": {"Ref": "LoadBalancerSecurityGroup"}
}]
}
},
"LaunchConfiguration": {
"Type": "AWS::AutoScaling::LaunchConfiguration",
"Metadata": {
"AWS::CloudFormation::Init": {
"config": {
"packages": {
"yum": {
"java-1.8.0-openjdk-devel": []
}
},
"sources": {
"/opt": "https://services.gradle.org/distributions/gradle-3.4.1-bin.zip",
"/home/ec2-user": "https://github.com/yandypiedra/AWS_Cloud_Formation/archive/master.zip"
},
"files": {
"/tmp/depend_config": {
"content": {
"Fn::Join": [
"",
[
"#!/bin/bash -ex\n",
"chmod -R 755 gradle-3.4.1/\n",
"echo \"PATH=$PATH:/opt/gradle-3.4.1/bin\" >> /etc/environment\n",
"yum install -y java-1.8.0\n"
]
]
},
"mode": "000500",
"owner": "root",
"group": "root"
},
"/tmp/app_config": {
"content": {
"Fn::Join": [
"",
[
"#!/bin/bash -ex\n",
"chmod -R 777 AWS_Cloud_Formation-master/\n",
"/opt/gradle-3.4.1/bin/gradle build -p /home/ec2-user/AWS_Cloud_Formation-master/src/Hi/\n"
]
]
},
"mode": "000500",
"owner": "root",
"group": "root"
},
"/tmp/launch_server": {
"content": {
"Fn::Join": [
"",
[
"#!/bin/bash -ex\n",
"chmod -R 777 AWS_Cloud_Formation-master/\n",
"java -jar AWS_Cloud_Formation-master/src/Hi/build/libs/hi-1.0-SNAPSHOT.jar\n"
]
]
},
"mode": "000500",
"owner": "root",
"group": "root"
}
},
"commands": {
"01_config": {
"command": "/tmp/depend_config",
"cwd": "/opt"
},
"02_config": {
"command": "yum remove -y java-1.7.0-openjdk"
},
"03_config": {
"command": "/tmp/app_config",
"cwd": "/home/ec2-user"
},
"04_config": {
"command": "/tmp/launch_server",
"cwd": "/home/ec2-user"
}
}
}
}
},
"Properties": {
"EbsOptimized": false,
"ImageId": {"Fn::FindInMap": ["EC2RegionMap", {"Ref": "AWS::Region"}, "AmazonLinuxAMIHVMEBSBacked64bit"]},
"InstanceType": "t2.micro",
"SecurityGroups": [{"Ref": "WebServerSecurityGroup"}],
"KeyName": {"Ref": "KeyName"},
"AssociatePublicIpAddress": true,
"UserData": {"Fn::Base64": {"Fn::Join": ["", [
"#!/bin/bash -ex\n",
"yum update -y aws-cfn-bootstrap\n",
"/opt/aws/bin/cfn-init -v --stack ", {"Ref": "AWS::StackName"}, " --resource LaunchConfiguration --region ", {"Ref": "AWS::Region"}, "\n",
"/opt/aws/bin/cfn-signal -e $? --stack ", {"Ref": "AWS::StackName"}, " --resource AutoScalingGroup --region ", {"Ref": "AWS::Region"}, "\n"
]]}}
}
},
"AutoScalingGroup": {
"Type": "AWS::AutoScaling::AutoScalingGroup",
"Properties": {
"LoadBalancerNames": [{"Ref": "LoadBalancer"}],
"LaunchConfigurationName": {"Ref": "LaunchConfiguration"},
"MinSize": "1",
"MaxSize": "1",
"DesiredCapacity": "1",
"VPCZoneIdentifier": [{"Ref": "SubnetA"}, {"Ref": "SubnetB"}]
},
"CreationPolicy": {
"ResourceSignal": {
"Timeout": "PT15M"
}
},
"DependsOn": "VPCGatewayAttachment"
}
}
}