mkdir unicorn&& cd unicorn
cdk init app -l python
pip install -r requirements.txt
pip install aws-cdk.aws_ec2
pip install aws-cdk.aws_autoscaling
pip install aws-cdk.aws_elasticloadbalancingv2
cdk ls
cdk synth
cdk deploy
mkdir userdata
以下内容写入/userdata/data.sh
#!/bin/bash
yum update -y
amazon-linux-extras install -y lamp-mariadb10.2-php7.2 php7.2
yum install -y httpd mariadb-server
systemctl start httpd
systemctl enable httpd
usermod -a -G apache ec2-user
chown -R ec2-user:apache /var/www
chmod 2775 /var/www
find /var/www -type d -exec chmod 2775 {} ;
find /var/www -type f -exec chmod 0664 {} ;
echo "" > /var/www/html/phpinfo.php
以下内容写入unicorn/unicorn/unicorn_stack.py
from aws_cdk import core as cdk
from aws_cdk import aws_ec2 as ec2
from aws_cdk import aws_autoscaling as autoscaling
from aws_cdk import aws_elasticloadbalancingv2 as elb
# For consistency with other languages, `cdk` is the preferred import name for
# the CDK's core module. The following line also imports it as `core` for use
# with examples from the CDK Developer's Guide, which are in the process of
# being updated to use `cdk`. You may delete this import if you don't need it.
from aws_cdk import core
#定义实例类型
ec2_type = "t2.micro"
#定义密钥
key_name = "hello"
#导入用户数据文件
with open("./userdata/data.sh") as filesh:
user_data = filesh.read()
class UnicornStack(cdk.Stack):
def __init__(self, scope: cdk.Construct, construct_id: str, **kwargs) -> None:
super().__init__(scope, construct_id, **kwargs)
# The code that defines your stack goes here
self.testVpc = ec2.Vpc(self,"myVpc",
max_azs = 2,
cidr = "10.0.0.0/16",
subnet_configuration = [ec2.SubnetConfiguration(
subnet_type = ec2.SubnetType.PUBLIC,
name = "public",
cidr_mask = 24
),ec2.SubnetConfiguration(
subnet_type = ec2.SubnetType.PRIVATE,
name = "private",
cidr_mask = 24
),ec2.SubnetConfiguration(
subnet_type = ec2.SubnetType.ISOLATED,
name = "DB",
cidr_mask = 24
)
],
nat_gateways = 2
)
self.sgalb = ec2.SecurityGroup(self,"sg_alb",
vpc = self.testVpc,
security_group_name = "sg_elb",
allow_all_outbound = True
)
self.sgalb.connections.allow_from_any_ipv4(ec2.Port.tcp(80))
self.sgdemo = ec2.SecurityGroup(self,"sg_demo",
vpc = self.testVpc,
security_group_name = "sg_demo",
allow_all_outbound = True)
ami_linux = ec2.MachineImage.latest_amazon_linux(
#选择第2代亚马逊linux
generation = ec2.AmazonLinuxGeneration.AMAZON_LINUX_2,
#选择linux版本有 minimal 和 standard 两种
edition = ec2.AmazonLinuxEdition.STANDARD,
#选择虚拟化类型 有 HVM 和 PV ，可不配置默认HVM
virtualization = ec2.AmazonLinuxVirt.HVM,
#选择存储类型 EBS 和 GENERAL_PURPOSE
storage = ec2.AmazonLinuxStorage.EBS
)
alb = elb.ApplicationLoadBalancer(self,"helloALB",
vpc = self.testVpc,
security_group=self.sgalb,
internet_facing=True,
load_balancer_name="helloALB"
)
listener = alb.add_listener("my80",
port=80,
open=True
)
#创建alb目标组
listener.add_targets("addTargetGroup",
protocol = elb.ApplicationProtocol.HTTP,
port=80,
)
#输出alb的dns地址
core.CfnOutput(self,"Output",
value=alb.load_balancer_dns_name
)
cdk deploy
备用代码
from aws_cdk import core
from aws_cdk import (aws_ec2 as ec2,
aws_autoscaling as autoscaling,
aws_elasticloadbalancingv2 as elb
)
#定义实例类型
ec2_type = "t2.micro"
#定义密钥
key_name = "hello"
#CLI 创建密钥 aws ec2 create-key-pair --key-name hello --query 'hello' --output text > hello.pem
#导入用户数据文件
with open("./userdata/data.sh") as filesh:
user_data = filesh.read()
class albec2Stack(core.Stack):
def __init__(self, scope: core.Construct, id: str,vpc,sg_alb,sg_demo, **kwargs) -> None:
super().__init__(scope, id, **kwargs)
# The code that defines your stack goes here
#选择AMI镜像
ami_linux = ec2.MachineImage.latest_amazon_linux(
#选择第2代亚马逊linux
generation = ec2.AmazonLinuxGeneration.AMAZON_LINUX_2,
#选择linux版本有 minimal 和 standard 两种
edition = ec2.AmazonLinuxEdition.STANDARD,
#选择虚拟化类型 有 HVM 和 PV ，可不配置默认HVM
virtualization = ec2.AmazonLinuxVirt.HVM,
#选择存储类型 EBS 和 GENERAL_PURPOSE
storage = ec2.AmazonLinuxStorage.EBS
)
#创建alb
alb = elb.ApplicationLoadBalancer(self,"helloALB",
vpc =vpc,
security_group=sg_alb,
internet_facing=True,
load_balancer_name="helloALB"
)
#添加新的alb监听端口80
listener = alb.add_listener("my80",
port=80,
open=True
)
#创建 AutoScaling组
asg = autoscaling.AutoScalingGroup(self,"myautoscaling",
vpc = vpc,
#实例启动在私网子网
vpc_subnets = ec2.SubnetSelection(subnet_type=ec2.SubnetType.PRIVATE),
#实例类型
instance_type=ec2.InstanceType(instance_type_identifier=ec2_type),
#实例镜像
machine_image = ami_linux,
#实例密钥
key_name =key_name,
security_group=sg_demo,
#实例用户数据
user_data=ec2.UserData.custom(user_data),
#需求2实例
desired_capacity=2,
#最小与最大弹性伸缩
min_capacity=1,
max_capacity=4,
instance_name=demo
)
#创建alb目标组
listener.add_targets("addTargetGroup",
protocol = elb.ApplicationProtocol.HTTP,
port=7777,
#目标组为AutoScaling组
targets=[asg]
)
#输出alb的dns地址
core.CfnOutput(self,"Output",
value=alb.load_balancer_dns_name
)
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