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elb-with-asg.yaml
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elb-with-asg.yaml
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Parameters:
VPC:
Type: "String"
Default: "vpc-b71e65d0"
Subnets:
Type: "CommaDelimitedList"
Default: "subnet-a14554f9, subnet-f3aebfd9, subnet-71cf0f38, subnet-85e9f6b8"
ASG1Size:
Type: Number
Default: 4
ASG2Size:
Type: Number
Default: 4
ASG1UpdateMechanism:
Type: String
AllowedValues:
- "Rolling"
- "Replace"
Default: "Rolling"
ASG2UpdateMechanism:
Type: String
AllowedValues:
- "Rolling"
- "Replace"
Default: "Replace"
BuildVer:
Type: Number
Default: 0
MachineType:
Type: String
Default: "t2.medium"
Conditions:
IsASG1Rolling:
Fn::Equals:
- Ref: ASG1UpdateMechanism
- "Rolling"
IsASG2Rolling:
Fn::Equals:
- Ref: ASG2UpdateMechanism
- "Rolling"
Resources:
LogAccessRole:
Type: "AWS::IAM::Role"
Properties:
Path: "/"
AssumeRolePolicyDocument:
Version: "2012-10-17"
Statement:
- Effect: "Allow"
Principal:
Service:
- "ec2.amazonaws.com"
Action:
- "sts:AssumeRole"
LogAccessRolePolicies:
Type: "AWS::IAM::Policy"
Properties:
PolicyName: "LogAccessRolePolicy"
PolicyDocument:
Version: "2012-10-17"
Statement:
- Effect: "Allow"
Action:
- "logs:*"
Resource:
- "arn:aws:logs:*:*:*"
Roles:
- Ref: LogAccessRole
LogAccessProfile:
Type: "AWS::IAM::InstanceProfile"
Properties:
Path: "/"
Roles:
- Ref: "LogAccessRole"
ELB:
Type: "AWS::ElasticLoadBalancing::LoadBalancer"
Properties:
Listeners:
- LoadBalancerPort: '80'
InstancePort: '80'
Protocol: HTTP
HealthCheck:
Target: "HTTP:80/"
HealthyThreshold: '3'
UnhealthyThreshold: '5'
Interval: '30'
Timeout: '5'
Subnets:
Ref: "Subnets"
SecurityGroups:
- Ref: ELBSecurityGroup
LC1:
Type: "AWS::AutoScaling::LaunchConfiguration"
Metadata:
AWS::CloudFormation::Init:
config:
packages:
yum:
httpd : []
awslogs: []
services:
sysvinit:
httpd:
enabled: "true"
ensureRunning: "true"
awslogs:
enabled: "true"
ensureRunning: "true"
commands:
buildhtml:
command: |
echo "<HEAD><TITLE>Launch Config LC1</TITLE></HEAD>" > /var/www/html/index.html
echo "<BODY><H1>Launch Config LC1</H1>" >> /var/www/html/index.html
echo `hostname` >> /var/www/html/index.html
echo "</BODY></HTML>" >> /var/www/html/index.html
fixawslogs:
command: |
cat >> /etc/awslogs/awslogs.conf <<EOM
datetime_format = %b %d %H:%M:%S
file = /var/log/messages
buffer_duration = 5000
log_stream_name = {instance_id}
initial_position = start_of_file
log_group_name = /var/log/secure
EOM
Properties:
KeyName: "acowellpaws"
ImageId: "ami-c481fad3"
UserData:
Fn::Base64: !Sub |
#!/bin/bash -xe
yum update -y
/opt/aws/bin/cfn-init -v --stack ${AWS::StackName} \
--resource LC1 --region ${AWS::Region}
# BuildVer ${BuildVer}
/opt/aws/bin/cfn-signal -e $? --stack ${AWS::StackName} \
--resource ASG1 --region ${AWS::Region}
uptime
InstanceType:
Ref: "MachineType"
SecurityGroups:
- Ref: "InstanceSecurityGroup"
AssociatePublicIpAddress: "true"
IamInstanceProfile:
Ref: "LogAccessProfile"
ASG1:
Type: "AWS::AutoScaling::AutoScalingGroup"
CreationPolicy:
ResourceSignal:
Count:
Ref: "ASG1Size"
Timeout: "PT5M"
UpdatePolicy:
Fn::If:
- IsASG1Rolling
- AutoScalingRollingUpdate:
MinSuccessfulInstancesPercent: 100
- AutoScalingReplacingUpdate:
WillReplace: "true"
Properties:
LaunchConfigurationName:
Ref: "LC1"
MinSize:
Ref: "ASG1Size"
MaxSize:
Ref: "ASG1Size"
LoadBalancerNames:
- Ref: "ELB"
VPCZoneIdentifier:
Ref: "Subnets"
Tags:
- Key: "Name"
Value: "ASG1"
PropagateAtLaunch: "true"
LC2:
Type: "AWS::AutoScaling::LaunchConfiguration"
Metadata:
AWS::CloudFormation::Init:
config:
packages:
yum:
httpd : []
awslogs: []
services:
sysvinit:
httpd:
enabled: "true"
ensureRunning: "true"
awslogs:
enabled: "true"
ensureRunning: "true"
commands:
buildhtml:
command: |
echo "<HEAD><TITLE>Launch Config LC2</TITLE></HEAD>" > /var/www/html/index.html
echo "<BODY><H1>Launch Config LC2</H1>" >> /var/www/html/index.html
echo `hostname` >> /var/www/html/index.html
echo v2 >> /var/www/html/index.html
echo "</BODY></HTML>" >> /var/www/html/index.html
fixawslogs:
command: |
cat >> /etc/awslogs/awslogs.conf <<EOM
datetime_format = %b %d %H:%M:%S
file = /var/log/messages
buffer_duration = 5000
log_stream_name = {instance_id}
initial_position = start_of_file
log_group_name = /var/log/secure
EOM
Properties:
KeyName: "acowellpaws"
ImageId: "ami-c481fad3"
UserData:
Fn::Base64: !Sub |
#!/bin/bash -xe
yum update -y
/opt/aws/bin/cfn-init -v --stack ${AWS::StackName} \
--resource LC2 --region ${AWS::Region}
# BuildVer ${BuildVer}
/opt/aws/bin/cfn-signal -e $? --stack ${AWS::StackName} \
--resource ASG2 --region ${AWS::Region}
InstanceType:
Ref: "MachineType"
SecurityGroups:
- Ref: "InstanceSecurityGroup"
AssociatePublicIpAddress: "true"
IamInstanceProfile:
Ref: "LogAccessProfile"
ASG2:
Type: "AWS::AutoScaling::AutoScalingGroup"
CreationPolicy:
ResourceSignal:
Count:
Ref: "ASG2Size"
Timeout: "PT5M"
UpdatePolicy:
Fn::If:
- IsASG2Rolling
- AutoScalingRollingUpdate:
MinSuccessfulInstancesPercent: 100
- AutoScalingReplacingUpdate:
WillReplace: "true"
Properties:
LaunchConfigurationName:
Ref: "LC2"
MinSize:
Ref: "ASG2Size"
MaxSize:
Ref: "ASG2Size"
LoadBalancerNames:
- Ref: "ELB"
VPCZoneIdentifier:
Ref: "Subnets"
Tags:
- Key: "Name"
Value: "ASG2"
PropagateAtLaunch: "true"
InstanceSecurityGroup:
Type: AWS::EC2::SecurityGroup
Properties:
GroupDescription: Allow http to client host
VpcId:
Ref: "VPC"
SecurityGroupIngress:
- IpProtocol: tcp
FromPort: '80'
ToPort: '80'
CidrIp: 0.0.0.0/0
- IpProtocol: tcp
FromPort: '22'
ToPort: '22'
CidrIp: '192.168.0.0/16'
ELBSecurityGroup:
Type: AWS::EC2::SecurityGroup
Properties:
GroupDescription: Allow http ELB
VpcId:
Ref: "VPC"
SecurityGroupIngress:
- IpProtocol: tcp
FromPort: '80'
ToPort: '80'
CidrIp: 0.0.0.0/0