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我在尝试使用 CloudFormation 在 AWS EC2 上设置 rtmp 时遇到了问题。我有两个堆栈的 aws.yaml
和 web.yaml
。 CF 在执行时响应以下错误:操作期间下游服务报告内部错误“监听器和以下目标组具有不兼容的协议(protocol):[arn:...]
。我尝试直接在监听器中指定协议(protocol),但这只会导致错误:您无法使用“TCP_UDP”协议(protocol)为目标组指定协议(protocol)版本
。预先感谢您的帮助!
nlb.yaml
AWSTemplateFormatVersion: 2010-09-09
Description: Deploys a single network load balancer
Parameters:
VpcId:
Type: AWS::EC2::VPC::Id
Description: ID of the VPC
PublicSubnets:
Type: List<AWS::EC2::Subnet::Id>
Description: List of Public subnets to use for the Load Balancer
CertificateArn:
Type: String
Description: Arn of the ACM certificate to be used by the load balancer listener.
Resources:
PublicNlb:
Type: AWS::ElasticLoadBalancingV2::LoadBalancer
Properties:
IpAddressType: ipv4
Name: publicNlb
Scheme: internet-facing
Subnets: !Ref PublicSubnets
Tags:
- Key: Name
Value: wordpress-nlb
Type: network
PublicNlbTargetGroupHttp:
Type: AWS::ElasticLoadBalancingV2::TargetGroup
Properties:
Port: 80
Protocol: TCP
Targets:
- Id: !ImportValue WordPressPublicAlbArn
TargetType: alb
VpcId: !Ref VpcId
PublicNlbTargetGroupHttps:
Type: AWS::ElasticLoadBalancingV2::TargetGroup
Properties:
Port: 443
Protocol: TCP
Targets:
- Id: !ImportValue WordPressPublicAlbArn
TargetType: alb
VpcId: !Ref VpcId
PublicNlbHttpListener:
Type: AWS::ElasticLoadBalancingV2::Listener
Properties:
DefaultActions:
- Type: forward
TargetGroupArn: !Ref PublicNlbTargetGroupHttp
LoadBalancerArn: !Ref PublicNlb
Port: 80
Protocol: TCP
PublicNlbHttpsListener:
Type: AWS::ElasticLoadBalancingV2::Listener
Properties:
DefaultActions:
- Type: forward
TargetGroupArn: !Ref PublicNlbTargetGroupHttps
LoadBalancerArn: !Ref PublicNlb
Port: 443
Protocol: TCP
Outputs:
PublicNlbTargetGroupHttpArn:
Value: !Ref PublicNlbTargetGroupHttp
Export:
Name: WordPressPublicNlbTargetGroupHttpArn
PublicNlbTargetGroupHttpsArn:
Value: !Ref PublicNlbTargetGroupHttps
Export:
Name: WordPressPublicNlbTargetGroupHttpsArn
PublicNlbCanonicalHostedZoneId:
Value: !GetAtt PublicNlb.CanonicalHostedZoneID
PublicNlbDnsName:
Value: !GetAtt PublicNlb.DNSName
PublicNlbFullName:
Value: !GetAtt PublicNlb.LoadBalancerFullName
PublicNlbHostname:
Value:
!Sub https://${PublicNlb.DNSName}
# !If [ NoSslCertificate, !Join [ '', [ 'http://', !GetAtt PublicAlb.DNSName ] ], !Join [ '', [ 'https://', !GetAtt PublicAlb.DNSName ] ] ]
PublicNlbHttpsListenerArn:
Value: !Ref PublicNlbHttpsListener
Export:
Name: WordPressPublicNlbHttpsListenerArn
PublicNlbHttpListenerArn:
Value: !Ref PublicNlbHttpListener
Export:
Name: WordPressPublicNlbHttpListenerArn
web.yaml
AWSTemplateFormatVersion: "2010-09-09"
Description: Deploys highly available wordpress application
Parameters:
VpcId:
Type: AWS::EC2::VPC::Id
Description: ID of the VPC
RecipeVersion:
Type: String
Description: The semantic version number you want to give to the recipe (in Major.Minor.Patch format).
AllowedPattern: ^[0-9]+\.[0-9]+\.[0-9]+$
PrivateSubnets:
Type: List<AWS::EC2::Subnet::Id>
Description: List of Private subnets to use for the application
PrivateSubnetsString:
Type: String
Description: List of Private subnets to use for the application as string
Account:
Type: String
Default: non-prod
AllowedValues:
- prod
- non-prod
Environment:
Type: String
Default: dev
AllowedValues:
- dev
- preprod
- prod
InstanceProfileName:
Type: String
Default: EC2RoleForSSM
Description: The name of the InstanceProfile to be used with the instances.
AmazonLinuxAMI:
Type: AWS::EC2::Image::Id
MinSize:
Type: Number
Description: The minimum limit of allowed instances to be deployed.
Default: 1
MaxSize:
Type: Number
Description: The maximum limit of allowed instances to be deployed.
Default: 8
DesiredCapacity:
Type: Number
Description: The average amount of instances to be deployed.
Default: 1
OnDemandBaseCapacity:
Type: Number
Description: The minimum amount of the Auto Scaling group's capacity that must be fulfilled by On-Demand Instances. For production you should always have at least 1 On-Demand instance (set to 1).
Default: 1
OnDemandPercentageAboveBaseCapacity:
Type: Number
Description: Controls the percentages of On-Demand Instances and Spot Instances for your additional capacity beyond OnDemandBaseCapacity. Expressed as a number (for example, 20 specifies 20% On-Demand Instances, 80% Spot Instances). Defaults to 0 if not specified. If set to 100, only On-Demand Instances are provisioned.
Default: 0
Mappings:
LoadBalancerRulePriority:
dev:
"rule": "3"
preprod:
"rule": "2"
prod:
"rule": "1"
LoadBalancerHosts:
dev:
hostOne: "*.example.*"
preprod:
hostOne: "preprod.example.*"
prod:
hostOne: "*.example.*"
SalingServerProperties:
# @link https://aws.amazon.com/ec2/instance-types/
# @link https://instaguide.io/#sortField=vcpu&sortDir=-1&platform=rhel&tenancyCode=dedicated&priceCalc=abs&period=mo
dev:
instanceTypeOne: "c6gd.xlarge"
preprod:
instanceTypeOne: "c6gd.xlarge"
prod:
instanceTypeOne: "c6gd.xlarge"
Conditions:
IsProd: !Equals [!Ref Environment, prod]
IsPreProd: !Equals [!Ref Environment, preprod]
IsDev: !Equals [!Ref Environment, dev]
Resources:
AlbTargetGroup:
Type: AWS::ElasticLoadBalancingV2::TargetGroup
Properties:
Name: !Sub "${Environment}-wordpress"
HealthCheckEnabled: true
HealthCheckIntervalSeconds: 10
HealthCheckPath: /
HealthCheckPort: "80"
HealthCheckProtocol: HTTP
HealthCheckTimeoutSeconds: 5
HealthyThresholdCount: 4
UnhealthyThresholdCount: 2
Port: 80
Protocol: HTTP
ProtocolVersion: HTTP1
Tags:
- Key: Name
Value: !Sub "${Environment}-${RecipeVersion}-wordpress"
TargetGroupAttributes:
- Key: stickiness.enabled
Value: "false"
- Key: stickiness.type
Value: lb_cookie # or app_cookie
TargetType: instance
VpcId: !Ref VpcId
AlbListenerRule:
Type: AWS::ElasticLoadBalancingV2::ListenerRule
Properties:
Actions:
- Type: forward
TargetGroupArn: !Ref AlbTargetGroup
Conditions:
- Field: host-header
HostHeaderConfig:
Values:
- dropingaming.*
- !FindInMap [ LoadBalancerHosts, !Ref Environment, hostOne ]
ListenerArn: !ImportValue WordPressPublicAlbHttpsListenerArn
Priority: !FindInMap [ LoadBalancerRulePriority, !Ref Environment, rule ]
NlbTargetGroup:
Type: AWS::ElasticLoadBalancingV2::TargetGroup
Properties:
Name: !Sub "${Environment}-wordpress-rtmp"
HealthCheckEnabled: true
HealthCheckIntervalSeconds: 30
HealthCheckPort: "4444"
HealthCheckProtocol: HTTP
Port: 1935
Protocol: TCP_UDP
Tags:
- Key: Name
Value: !Sub "${Environment}-${RecipeVersion}-wordpress"
TargetGroupAttributes:
- Key: stickiness.enabled
Value: "true"
TargetType: instance
VpcId: !Ref VpcId
NlbListenerRule:
Type: AWS::ElasticLoadBalancingV2::ListenerRule
Properties:
Actions:
- Type: forward
TargetGroupArn: !Ref NlbTargetGroup
Conditions:
# Configures the rule to apply when the host header matches the domain we want to send to the target group
# https://stackoverflow.com/questions/45664638/how-to-make-a-list-item-conditional-in-cloud-formation-template
- Field: host-header
HostHeaderConfig:
Values:
- dropingaming.*
- !FindInMap [ LoadBalancerHosts, !Ref Environment, hostOne ]
ListenerArn: !ImportValue WordPressPublicAlbHttpsListenerArn
Priority: !FindInMap [ LoadBalancerRulePriority, !Ref Environment, rule ]
LaunchTemplate:
Type: AWS::EC2::LaunchTemplate
Properties:
LaunchTemplateName: !Sub "${Environment}-wordpress"
LaunchTemplateData:
ImageId: !Ref AmazonLinuxAMI
EbsOptimized: 'true'
IamInstanceProfile:
Name: EC2RoleForSSM
SecurityGroupIds:
- !ImportValue WordPressEc2SecurityGroupId
# https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/user-data.html
# The user data to make available to the instance. You must provide base64-encoded text.
# User data is limited to 16 KB. For more information, see Running Commands on Your Linux Instance at Launch (Linux) or Adding User Data (Windows).
# logging is sent to :: /var/log/cloud-init-output.log
# this script is stored to :: /var/lib/cloud/instance/scripts/part-001
UserData:
Fn::Base64: !Sub
- |
#!/bin/bash -ex
EC2_INSTANCE_ID="`wget -q -O - http://instance-data/latest/meta-data/instance-id || die \"wget instance-id has failed: $?\"`"
test -n "$EC2_INSTANCE_ID" || die 'cannot obtain instance-id'
EC2_AVAIL_ZONE="`wget -q -O - http://instance-data/latest/meta-data/placement/availability-zone || die \"wget availability-zone has failed: $?\"`"
test -n "$EC2_AVAIL_ZONE" || die 'cannot obtain availability-zone'
EC2_REGION="`echo \"$EC2_AVAIL_ZONE\" | sed -e 's:\([0-9][0-9]*\)[a-z]*\$:\\1:'`"
EC2_PUBLIC_IPV4="`curl http://checkip.amazonaws.com`"
EC2_PRIVATE_IPV4="`curl http://169.254.169.254/latest/meta-data/local-ipv4`"
# https://tldp.org/LDP/abs/html/here-docs.html
sudo cat > '/var/ebs-www-copy/aws.json' <<End-of-message
{
"AmazonLinuxAMI": "${AmazonLinuxAMI}",
"RecipeVersion": "${RecipeVersion}",
"EfsId": "${EfsId}",
"VpcId": "${VpcId}",
"PrivateSubnets": "${PrivateSubnetsString}",
"Account": "${Account}",
"Environment": "${Environment}",
"InstanceProfileName": "${InstanceProfileName}",
"MinSize": "${MinSize}",
"MaxSize": "${MaxSize}",
"DesiredCapacity": "${DesiredCapacity}",
"OnDemandBaseCapacity": "${OnDemandBaseCapacity}",
"OnDemandPercentageAboveBaseCapacity": "${OnDemandPercentageAboveBaseCapacity}",
"EC2_PUBLIC_IPV4": "$EC2_PUBLIC_IPV4",
"EC2_PRIVATE_IPV4": "$EC2_PRIVATE_IPV4",
"EC2_INSTANCE_ID": "$EC2_INSTANCE_ID",
"EC2_AVAIL_ZONE": "$EC2_AVAIL_ZONE",
"EC2_REGION": "$EC2_REGION"
}
End-of-message
cat /var/ebs-www-copy/aws.json
# redacting the overly specific :)
systemctl start httpd
- EfsId: !ImportValue "WordPressEfsId"
# https://github.com/aws-samples/session-manager-without-igw/blob/main/session-manager-without-igw.yml
AutoScalingGroup:
Type: AWS::AutoScaling::AutoScalingGroup
Properties:
AutoScalingGroupName: !Sub "${Environment}-wordpress"
TargetGroupARNs:
- !Ref AlbTargetGroup
- !Ref NlbTargetGroup
MinSize: !Ref MinSize
MaxSize: !Ref MaxSize
DesiredCapacity: !Ref DesiredCapacity
VPCZoneIdentifier: !Ref PrivateSubnets
MixedInstancesPolicy:
LaunchTemplate:
LaunchTemplateSpecification:
# Version: !Ref LaunchTemplateVersionNumber
Version: !GetAtt
- LaunchTemplate
- LatestVersionNumber
LaunchTemplateId: !Ref LaunchTemplate
# https://docs.aws.amazon.com/autoscaling/ec2/userguide/ec2-auto-scaling-mixed-instances-groups-launch-template-overrides.html
# @link https://aws.amazon.com/ec2/instance-types/
# @link https://instaguide.io/#sortField=vcpu&sortDir=-1&platform=rhel&tenancyCode=dedicated&priceCalc=abs&period=mo
Overrides:
# I want to know if predictive load b is bs or nah
- InstanceType: !FindInMap [SalingServerProperties, !Ref Environment, instanceTypeOne]
InstancesDistribution:
OnDemandBaseCapacity: !Ref OnDemandBaseCapacity
OnDemandPercentageAboveBaseCapacity: !Ref OnDemandPercentageAboveBaseCapacity
# https://docs.aws.amazon.com/autoscaling/ec2/userguide/ec2-auto-scaling-mixed-instances-groups.html#allocation-strategies
SpotAllocationStrategy: lowest-price
OnDemandAllocationStrategy: lowest-price
Tags:
- Key: "Name"
PropagateAtLaunch: true
Value: !Sub "${Environment}-wordpress"
- Key: "Version"
PropagateAtLaunch: true
Value: !Sub "${RecipeVersion}"
AutoScalingPolicy:
Type: AWS::AutoScaling::ScalingPolicy
Properties:
AutoScalingGroupName: !Ref AutoScalingGroup
PolicyType: PredictiveScaling
PredictiveScalingConfiguration:
MetricSpecifications:
- TargetValue: 70
PredefinedMetricPairSpecification:
PredefinedMetricType: ASGCPUUtilization
因此,根据错误,NlbListenerRule
似乎是失败的原因;不过,下游服务位让我感到困惑。 Google 几乎没有返回任何内容,所以我希望您可能知道!?
最佳答案
因此,AWS 支持以及上面的评论让我直接找到了问题所在。 NlbListenerRule
使用了错误的 ListenerArn: !ImportValue WordPressPublicAlbHttpsListenerArn
。此外,支持团队发现了上面提供的模板中可以捕获的另一个问题 "NLB work on Layer-4 of OSI Model , and we cannot create NLB Listener rule based on Host-Header Condition."
因此 ListenerRule 只能应用于基于 HTTP 的主机。
更改于web.yaml
NlbListener:
Type: AWS::ElasticLoadBalancingV2::Listener
Properties:
DefaultActions:
- Type: forward
TargetGroupArn: !Ref NlbTargetGroup
LoadBalancerArn: !ImportValue PublicNlbLoadBalancerArn
Port: 1935
Protocol: TCP_UDP
添加于alb.yaml
Outputs:
PublicNlb:
Value: !Ref PublicNlb
Export:
Name: PublicNlbLoadBalancerArn
PublicNlbTargetGroupHttpArn:
关于amazon-web-services - AWS Network LoadBalancer 监听器和以下目标组具有不兼容的协议(protocol),我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/71879921/
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