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puam_cloudformation_template.json
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puam_cloudformation_template.json
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{
"AWSTemplateFormatVersion": "2010-09-09",
"Description": "AWS CloudFormation Loris Template",
"Parameters": {
"VPCId": {
"Description": "VPC in which the Loris stack should be created",
"Type": "AWS::EC2::VPC::Id"
},
"SubnetId": {
"Description": "Subnet in which the Loris stack should be created",
"Type": "AWS::EC2::Subnet::Id"
},
"KeyName": {
"Description": "Name of an existing EC2 KeyPair to enable SSH access to the instances",
"Type": "AWS::EC2::KeyPair::KeyName",
"ConstraintDescription": "must be the name of an existing EC2 KeyPair."
},
"LorisVersionTag": {
"Description": "The tag for the Loris code version you wish to install",
"Type": "String",
"MinLength": "1",
"Default": "2.0.1"
},
"MountPoint": {
"Description": "The Linux mount point for the EFS volume",
"Type": "String",
"MinLength": "1",
"Default": "loris_efs_cache"
},
"InstanceType": {
"Description": "Loris Server EC2 instance type",
"Type": "String",
"Default": "t2.small",
"AllowedValues": [
"t1.micro",
"t2.nano",
"t2.micro",
"t2.small",
"t2.medium",
"t2.large",
"m1.small",
"m1.medium",
"m1.large",
"m1.xlarge",
"m2.xlarge",
"m2.2xlarge",
"m2.4xlarge",
"m3.medium",
"m3.large",
"m3.xlarge",
"m3.2xlarge",
"m4.large",
"m4.xlarge",
"m4.2xlarge",
"m4.4xlarge",
"m4.10xlarge",
"c1.medium",
"c1.xlarge",
"c3.large",
"c3.xlarge",
"c3.2xlarge",
"c3.4xlarge",
"c3.8xlarge",
"c4.large",
"c4.xlarge",
"c4.2xlarge",
"c4.4xlarge",
"c4.8xlarge",
"g2.2xlarge",
"g2.8xlarge",
"r3.large",
"r3.xlarge",
"r3.2xlarge",
"r3.4xlarge",
"r3.8xlarge",
"i2.xlarge",
"i2.2xlarge",
"i2.4xlarge",
"i2.8xlarge",
"d2.xlarge",
"d2.2xlarge",
"d2.4xlarge",
"d2.8xlarge",
"hi1.4xlarge",
"hs1.8xlarge",
"cr1.8xlarge",
"cc2.8xlarge",
"cg1.4xlarge"
],
"ConstraintDescription": "must be a valid EC2 instance type."
},
"SSHLocation": {
"Description": "The IP address range that can be used to SSH to the EC2 instances",
"Type": "String",
"MinLength": "9",
"MaxLength": "18",
"Default": "0.0.0.0/0",
"AllowedPattern": "(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})/(\\d{1,2})",
"ConstraintDescription": "must be a valid IP CIDR range of the form x.x.x.x/x."
},
"OperatorEMail": {
"Description": "EMail address to notify if there are any scaling operations",
"Type": "String",
"AllowedPattern": "([a-zA-Z0-9_\\-\\.]+)@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.)|(([a-zA-Z0-9\\-]+\\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)",
"ConstraintDescription": "must be a valid email address.",
"Default": "ratliff@princeton.edu"
}
},
"Mappings": {
"AWSInstanceType2Arch": {
"t1.micro": {"Arch": "PV64"},
"t2.nano": {"Arch": "HVM64"},
"t2.micro": {"Arch": "HVM64"},
"t2.small": {"Arch": "HVM64"},
"t2.medium": {"Arch": "HVM64"},
"t2.large": {"Arch": "HVM64"},
"m1.small": {"Arch": "PV64"},
"m1.medium": {"Arch": "PV64"},
"m1.large": {"Arch": "PV64"},
"m1.xlarge": {"Arch": "PV64"},
"m2.xlarge": {"Arch": "PV64"},
"m2.2xlarge": {"Arch": "PV64"},
"m2.4xlarge": {"Arch": "PV64"},
"m3.medium": {"Arch": "HVM64"},
"m3.large": {"Arch": "HVM64"},
"m3.xlarge": {"Arch": "HVM64"},
"m3.2xlarge": {"Arch": "HVM64"},
"m4.large": {"Arch": "HVM64"},
"m4.xlarge": {"Arch": "HVM64"},
"m4.2xlarge": {"Arch": "HVM64"},
"m4.4xlarge": {"Arch": "HVM64"},
"m4.10xlarge": {"Arch": "HVM64"},
"c1.medium": {"Arch": "PV64"},
"c1.xlarge": {"Arch": "PV64"},
"c3.large": {"Arch": "HVM64"},
"c3.xlarge": {"Arch": "HVM64"},
"c3.2xlarge": {"Arch": "HVM64"},
"c3.4xlarge": {"Arch": "HVM64"},
"c3.8xlarge": {"Arch": "HVM64"},
"c4.large": {"Arch": "HVM64"},
"c4.xlarge": {"Arch": "HVM64"},
"c4.2xlarge": {"Arch": "HVM64"},
"c4.4xlarge": {"Arch": "HVM64"},
"c4.8xlarge": {"Arch": "HVM64"},
"g2.2xlarge": {"Arch": "HVMG2"},
"g2.8xlarge": {"Arch": "HVMG2"},
"r3.large": {"Arch": "HVM64"},
"r3.xlarge": {"Arch": "HVM64"},
"r3.2xlarge": {"Arch": "HVM64"},
"r3.4xlarge": {"Arch": "HVM64"},
"r3.8xlarge": {"Arch": "HVM64"},
"i2.xlarge": {"Arch": "HVM64"},
"i2.2xlarge": {"Arch": "HVM64"},
"i2.4xlarge": {"Arch": "HVM64"},
"i2.8xlarge": {"Arch": "HVM64"},
"d2.xlarge": {"Arch": "HVM64"},
"d2.2xlarge": {"Arch": "HVM64"},
"d2.4xlarge": {"Arch": "HVM64"},
"d2.8xlarge": {"Arch": "HVM64"},
"hi1.4xlarge": {"Arch": "HVM64"},
"hs1.8xlarge": {"Arch": "HVM64"},
"cr1.8xlarge": {"Arch": "HVM64"},
"cc2.8xlarge": {"Arch": "HVM64"}
},
"AWSInstanceType2NATArch": {
"t1.micro": {"Arch": "NATPV64"},
"t2.nano": {"Arch": "NATHVM64"},
"t2.micro": {"Arch": "NATHVM64"},
"t2.small": {"Arch": "NATHVM64"},
"t2.medium": {"Arch": "NATHVM64"},
"t2.large": {"Arch": "NATHVM64"},
"m1.small": {"Arch": "NATPV64"},
"m1.medium": {"Arch": "NATPV64"},
"m1.large": {"Arch": "NATPV64"},
"m1.xlarge": {"Arch": "NATPV64"},
"m2.xlarge": {"Arch": "NATPV64"},
"m2.2xlarge": {"Arch": "NATPV64"},
"m2.4xlarge": {"Arch": "NATPV64"},
"m3.medium": {"Arch": "NATHVM64"},
"m3.large": {"Arch": "NATHVM64"},
"m3.xlarge": {"Arch": "NATHVM64"},
"m3.2xlarge": {"Arch": "NATHVM64"},
"m4.large": {"Arch": "NATHVM64"},
"m4.xlarge": {"Arch": "NATHVM64"},
"m4.2xlarge": {"Arch": "NATHVM64"},
"m4.4xlarge": {"Arch": "NATHVM64"},
"m4.10xlarge": {"Arch": "NATHVM64"},
"c1.medium": {"Arch": "NATPV64"},
"c1.xlarge": {"Arch": "NATPV64"},
"c3.large": {"Arch": "NATHVM64"},
"c3.xlarge": {"Arch": "NATHVM64"},
"c3.2xlarge": {"Arch": "NATHVM64"},
"c3.4xlarge": {"Arch": "NATHVM64"},
"c3.8xlarge": {"Arch": "NATHVM64"},
"c4.large": {"Arch": "NATHVM64"},
"c4.xlarge": {"Arch": "NATHVM64"},
"c4.2xlarge": {"Arch": "NATHVM64"},
"c4.4xlarge": {"Arch": "NATHVM64"},
"c4.8xlarge": {"Arch": "NATHVM64"},
"g2.2xlarge": {"Arch": "NATHVMG2"},
"g2.8xlarge": {"Arch": "NATHVMG2"},
"r3.large": {"Arch": "NATHVM64"},
"r3.xlarge": {"Arch": "NATHVM64"},
"r3.2xlarge": {"Arch": "NATHVM64"},
"r3.4xlarge": {"Arch": "NATHVM64"},
"r3.8xlarge": {"Arch": "NATHVM64"},
"i2.xlarge": {"Arch": "NATHVM64"},
"i2.2xlarge": {"Arch": "NATHVM64"},
"i2.4xlarge": {"Arch": "NATHVM64"},
"i2.8xlarge": {"Arch": "NATHVM64"},
"d2.xlarge": {"Arch": "NATHVM64"},
"d2.2xlarge": {"Arch": "NATHVM64"},
"d2.4xlarge": {"Arch": "NATHVM64"},
"d2.8xlarge": {"Arch": "NATHVM64"},
"hi1.4xlarge": {"Arch": "NATHVM64"},
"hs1.8xlarge": {"Arch": "NATHVM64"},
"cr1.8xlarge": {"Arch": "NATHVM64"},
"cc2.8xlarge": {"Arch": "NATHVM64"}
},
"AWSRegionArch2AMI": {
"us-east-1": {
"PV64": "ami-8ff710e2",
"HVM64": "ami-f5f41398",
"HVMG2": "ami-4afd1d27"
},
"us-west-2": {
"PV64": "ami-eff1028f",
"HVM64": "ami-e1218681",
"HVMG2": "ami-ee897b8e"
},
"us-west-1": {
"PV64": "ami-ac85fbcc",
"HVM64": "ami-9abea4fb",
"HVMG2": "ami-69106909"
},
"eu-west-1": {
"PV64": "ami-23ab2250",
"HVM64": "ami-b0ac25c3",
"HVMG2": "ami-936de5e0"
},
"eu-central-1": {
"PV64": "ami-27c12348",
"HVM64": "ami-d3c022bc",
"HVMG2": "ami-8e7092e1"
},
"ap-northeast-1": {
"PV64": "ami-26160d48",
"HVM64": "ami-29160d47",
"HVMG2": "ami-91809aff"
},
"ap-northeast-2": {
"PV64": "NOT_SUPPORTED",
"HVM64": "ami-cf32faa1",
"HVMG2": "NOT_SUPPORTED"
},
"ap-southeast-1": {
"PV64": "ami-f3dd0a90",
"HVM64": "ami-1ddc0b7e",
"HVMG2": "ami-3c30e75f"
},
"ap-southeast-2": {
"PV64": "ami-8f94b9ec",
"HVM64": "ami-0c95b86f",
"HVMG2": "ami-543d1137"
},
"sa-east-1": {
"PV64": "ami-e188018d",
"HVM64": "ami-fb890097",
"HVMG2": "NOT_SUPPORTED"
},
"cn-north-1": {
"PV64": "ami-77a46e1a",
"HVM64": "ami-05a66c68",
"HVMG2": "NOT_SUPPORTED"
}
}
},
"Resources": {
"NotificationTopic": {
"Type": "AWS::SNS::Topic",
"Properties": {"Subscription": [{
"Endpoint": {"Ref": "OperatorEMail"},
"Protocol": "email"
}]}
},
"WebServerGroup": {
"Type": "AWS::AutoScaling::AutoScalingGroup",
"Properties": {
"VPCZoneIdentifier": [{"Ref": "SubnetId"}],
"LaunchConfigurationName": {"Ref": "LaunchConfig"},
"MinSize": "1",
"MaxSize": "3",
"LoadBalancerNames": [{"Ref": "ElasticLoadBalancer"}],
"NotificationConfigurations": [{
"TopicARN": {"Ref": "NotificationTopic"},
"NotificationTypes": [
"autoscaling:EC2_INSTANCE_LAUNCH",
"autoscaling:EC2_INSTANCE_LAUNCH_ERROR",
"autoscaling:EC2_INSTANCE_TERMINATE",
"autoscaling:EC2_INSTANCE_TERMINATE_ERROR"
]
}]
},
"CreationPolicy": {"ResourceSignal": {
"Timeout": "PT15M",
"Count": "1"
}},
"UpdatePolicy": {"AutoScalingRollingUpdate": {
"MinInstancesInService": "1",
"MaxBatchSize": "1",
"PauseTime": "PT15M",
"WaitOnResourceSignals": "true"
}}
},
"LoadBalancerSecurityGroup": {
"Type": "AWS::EC2::SecurityGroup",
"Properties": {
"GroupDescription": "Security group for load balancer",
"VpcId": {"Ref": "VPCId"},
"SecurityGroupIngress": [{
"IpProtocol": "tcp",
"FromPort": "80",
"ToPort": "80",
"CidrIp": "0.0.0.0/0"
}]
}
},
"LorisServerSecurityGroup": {
"Type": "AWS::EC2::SecurityGroup",
"Properties": {
"GroupDescription": "Allow HTTP (80) from ELB and SSH (22) access from anywhere",
"VpcId": {"Ref": "VPCId"},
"SecurityGroupIngress": [
{
"IpProtocol": "tcp",
"FromPort": "80",
"ToPort": "80",
"SourceSecurityGroupId": {"Fn::GetAtt": [
"LoadBalancerSecurityGroup",
"GroupId"
]}
},
{
"IpProtocol": "tcp",
"FromPort": "22",
"ToPort": "22",
"CidrIp": {"Ref": "SSHLocation"}
}
]
}
},
"MountTargetSecurityGroup": {
"Type": "AWS::EC2::SecurityGroup",
"Properties": {
"GroupDescription": "Security group for mount target",
"VpcId": {"Ref": "VPCId"},
"SecurityGroupIngress": [{
"IpProtocol": "tcp",
"FromPort": "2049",
"ToPort": "2049",
"SourceSecurityGroupId": {"Fn::GetAtt": [
"LorisServerSecurityGroup",
"GroupId"
]}
}]
}
},
"EFSVolume": {
"Type": "AWS::EFS::FileSystem",
"Properties": {
"PerformanceMode": "generalPurpose",
"FileSystemTags": [{
"Key": "Name",
"Value": "loris_fs_cache"
}]
}
},
"MountTarget": {
"Type": "AWS::EFS::MountTarget",
"Properties": {
"FileSystemId": {"Ref": "EFSVolume"},
"SubnetId": {"Ref": "SubnetId"},
"SecurityGroups": [{"Fn::GetAtt": [
"MountTargetSecurityGroup",
"GroupId"
]}]
}
},
"LaunchConfig": {
"Type": "AWS::AutoScaling::LaunchConfiguration",
"Metadata": {"AWS::CloudFormation::Init": {
"configSets": {"loris_install": [
"install_cfn",
"create_loris_user",
"install_loris_app",
"configure_loris",
"mount_efs",
"download_cloudwatch_agent"
]},
"install_cfn": {
"files": {
"/etc/cfn/cfn-hup.conf": {
"content": {"Fn::Join": [
"",
[
"[main]\n",
"stack=",
{"Ref": "AWS::StackId"},
"\n",
"region=",
{"Ref": "AWS::Region"},
"\n"
]
]},
"mode": "000400",
"owner": "root",
"group": "root"
},
"/etc/cfn/hooks.d/cfn-auto-reloader.conf": {
"content": {"Fn::Join": [
"",
[
"[cfn-auto-reloader-hook]\n",
"triggers=post.update\n",
"path=Resources.LauchConfig.Metadata.AWS::CloudFormation::Init\n",
"action=/opt/aws/bin/cfn-init -v ",
" --stack ",
{"Ref": "AWS::StackName"},
" --resource LaunchConfig ",
" --configsets loris_install ",
" --region ",
{"Ref": "AWS::Region"},
"\n"
]
]},
"mode": "000400",
"owner": "root",
"group": "root"
}
},
"services": {"sysvinit": {"cfn-hup": {
"enabled": "true",
"ensureRunning": "true",
"files": [
"/etc/cfn/cfn-hup.conf",
"/etc/cfn/hooks.d/cfn-auto-reloader.conf"
]
}}}
},
"create_loris_user": {"commands": {
"01_dir": {"command": "mkdir /home/loris"},
"02_user": {"command": "useradd -d /home/loris -s /sbin/false loris"}
}},
"install_loris_app": {
"sources": {"/home/loris": {"Fn::Join": [
"",
[
"https://github.com/ratliff/loris/archive/",
{"Ref": "LorisVersionTag"},
".zip"
]
]}},
"commands": {
"01_setup": {
"command": "chmod 700 setup.py",
"cwd": {"Fn::Join": [
"",
[
"/home/loris/loris-",
{"Ref": "LorisVersionTag"}
]
]}
},
"02_setup": {
"command": "./setup.py install",
"cwd": {"Fn::Join": [
"",
[
"/home/loris/loris-",
{"Ref": "LorisVersionTag"}
]
]}
},
"03_setup": {"command": "sudo a2enmod headers expires"},
"04_setup": {"command": {"Fn::Join": [
"",
[
"cp /home/loris/loris-",
{"Ref": "LorisVersionTag"},
"/bin/Linux/x86_64/kdu_expand /usr/local/bin"
]
]}},
"05_setup": {"command": "chmod 755 /usr/local/bin/kdu_expand"},
"06_setup": {"command": {"Fn::Join": [
"",
[
"cp /home/loris/loris-",
{"Ref": "LorisVersionTag"},
"/lib/Linux/x86_64/libkdu_v74R.so /usr/local/lib"
]
]}},
"07_setup": {"command": "chmod 644 /usr/local/lib/libkdu_v74R.so"},
"08_setup": {"command": "echo '/usr/local/lib' >> /etc/ld.so.conf"},
"09_setup": {"command": "ldconfig"}
}
},
"configure_loris": {
"files": {
"/etc/loris2/loris2.conf": {
"source": "https://s3-us-west-2.amazonaws.com/loris-config-files/s3loris2.conf",
"mode": "000644",
"owner": "root",
"group": "root"
},
"/etc/apache2/sites-available/000-default.conf": {
"source": "https://s3-us-west-2.amazonaws.com/loris-config-files/000-default.conf",
"mode": "000644",
"owner": "root",
"group": "root"
}
},
"commands": {"01_apache_restart": {"command": "service apache2 restart"}}
},
"mount_efs": {"commands": {
"01_create_mountpoint": {"command": {"Fn::Join": [
"",
[
"mkdir /",
{"Ref": "MountPoint"}
]
]}},
"02_mount": {"command": {"Fn::Join": [
"",
[
"mount -t nfs4 -o nfsvers=4.1 $(curl -s http://169.254.169.254/latest/meta-data/placement/availability-zone).",
{"Ref": "EFSVolume"},
".efs.",
{"Ref": "AWS::Region"},
".amazonaws.com:/ /",
{"Ref": "MountPoint"}
]
]}},
"03_mkdir": {"command": {"Fn::Join": [
"",
[
"mkdir /",
{"Ref": "MountPoint"},
"/derived_images"
]
]}},
"04_mkdir": {"command": {"Fn::Join": [
"",
[
"mkdir /",
{"Ref": "MountPoint"},
"/source_images"
]
]}},
"05_permissions": {"command": {"Fn::Join": [
"",
[
"chown loris:loris /",
{"Ref": "MountPoint"}
]
]}},
"06_permissions": {"command": {"Fn::Join": [
"",
[
"chown loris:loris /",
{"Ref": "MountPoint"},
"/derived_images"
]
]}},
"07_permissions": {"command": {"Fn::Join": [
"",
[
"chown loris:loris /",
{"Ref": "MountPoint"},
"/source_images"
]
]}}
}},
"download_cloudwatch_agent": {
"files": {
"/home/loris/awslogs-agent-setup.py": {
"source": "https://s3.amazonaws.com/aws-cloudwatch/downloads/latest/awslogs-agent-setup.py",
"mode": "000400",
"owner": "root",
"group": "root"
}
}
}
}},
"Properties": {
"ImageId": {"Fn::FindInMap": [
"AWSRegionArch2AMI",
{"Ref": "AWS::Region"},
{"Fn::FindInMap": [
"AWSInstanceType2Arch",
{"Ref": "InstanceType"},
"Arch"
]}
]},
"InstanceType": {"Ref": "InstanceType"},
"SecurityGroups": [{"Ref": "LorisServerSecurityGroup"}],
"IamInstanceProfile": {"Ref": "S3PUAMImageBucketInstanceProfile"},
"KeyName": {"Ref": "KeyName"},
"UserData": {"Fn::Base64": {"Fn::Join": [
"",
[
"#!/bin/bash -xe\n",
"easy_install https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-latest.tar.gz\n",
"cp /usr/local/bin/cfn-hup /etc/init.d/cfn-hup \n",
"chmod +x /etc/init.d/cfn-hup \n",
"update-rc.d cfn-hup defaults \n ",
"service cfn-hup start \n",
"/usr/local/bin/cfn-init -v ",
" --stack ",
{"Ref": "AWS::StackName"},
" --resource LaunchConfig ",
" --configsets loris_install ",
" --region ",
{"Ref": "AWS::Region"},
"\n",
"# Install and configure CloudWatch agent\n",
"instance_id=`curl http://169.254.169.254/latest/meta-data/instance-id`\n",
"# First build the configuration file\n",
"echo \"[general]\" >> /home/loris/cloudwatch.conf\n",
"echo \"state_file= /var/awslogs/agent-state\" >> /home/loris/cloudwatch.conf\n",
"# Apache logs\n",
"echo \"[/var/log/apache2/access.log]\" >> /home/loris/cloudwatch.conf\n",
"echo \"file = /var/log/apache2/access.log\" >> /home/loris/cloudwatch.conf\n",
"echo \"log_group_name = ", {"Ref": "LorisServerLogGroup"}, "\" >> /home/loris/cloudwatch.conf\n",
"echo \"datetime_format = %d/%b/%Y:%H:%M:%S\" >> /home/loris/cloudwatch.conf\n",
"echo \"log_stream_name = $instance_id/apache_access.log\" >> /home/loris/cloudwatch.conf\n",
"echo \"[/var/log/apache2/error.log]\" >> /home/loris/cloudwatch.conf\n",
"echo \"file = /var/log/apache2/error.log\" >> /home/loris/cloudwatch.conf\n",
"echo \"log_group_name = ", {"Ref": "LorisServerLogGroup"}, "\" >> /home/loris/cloudwatch.conf\n",
"echo \"datetime_format = '%b %d %H:%M:%S.%f %Y'\" >> /home/loris/cloudwatch.conf\n",
"echo \"log_stream_name = $instance_id/apache_error.log\" >> /home/loris/cloudwatch.conf\n",
"# Loris logs\n",
"echo \"[/var/log/loris2/loris.log]\" >> /home/loris/cloudwatch.conf\n",
"echo \"file = /var/log/loris2/loris.log\" >> /home/loris/cloudwatch.conf\n",
"echo \"log_group_name = ", {"Ref": "LorisServerLogGroup"}, "\" >> /home/loris/cloudwatch.conf\n",
"echo \"datetime_format = '%Y-%m-%d %H:%M:%S'\" >> /home/loris/cloudwatch.conf\n",
"echo \"log_stream_name = $instance_id/loris.log\" >> /home/loris/cloudwatch.conf\n",
"python /home/loris/awslogs-agent-setup.py -n --region ", {"Ref": "AWS::Region"}, " -c /home/loris/cloudwatch.conf\n",
"/usr/local/bin/cfn-signal -e $? ",
" --stack ",
{"Ref": "AWS::StackName"},
" --resource WebServerGroup ",
" --region ",
{"Ref": "AWS::Region"},
"\n"
]
]}}
}
},
"LorisServerLogGroup": {
"Type": "AWS::Logs::LogGroup",
"Properties": {
"RetentionInDays": 7
}
},
"LorisServerRole": {
"Type": "AWS::IAM::Role",
"Properties": {
"Path": "/",
"Policies": [
{
"PolicyName": "S3PUAMImageBucketRolePolicy",
"PolicyDocument": {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": [
"s3:ListBucket",
"s3:GetBucketLocation"
],
"Resource": "arn:aws:s3:::puamimage"
},
{
"Effect": "Allow",
"Action": ["s3:GetObject"],
"Resource": "arn:aws:s3:::puamimage/*"
}
]
}
},
{
"PolicyName": "LogRolePolicy",
"PolicyDocument": {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": [
"logs:Create*",
"logs:PutLogEvents",
"s3:GetObject"
],
"Resource": [
"arn:aws:logs:*:*:*",
"arn:aws:s3:::*"
]
}
]
}
}
],
"AssumeRolePolicyDocument": {"Statement": [{
"Action": ["sts:AssumeRole"],
"Effect": "Allow",
"Principal": {"Service": ["ec2.amazonaws.com"]}
}]}
}
},
"S3PUAMImageBucketInstanceProfile": {
"Type": "AWS::IAM::InstanceProfile",
"Properties": {
"Path": "/",
"Roles": [{"Ref": "LorisServerRole"}]
}
},
"WebServerScaleUpPolicy": {
"Type": "AWS::AutoScaling::ScalingPolicy",
"Properties": {
"AdjustmentType": "ChangeInCapacity",
"AutoScalingGroupName": {"Ref": "WebServerGroup"},
"Cooldown": "300",
"ScalingAdjustment": "1"
}
},
"WebServerScaleDownPolicy": {
"Type": "AWS::AutoScaling::ScalingPolicy",
"Properties": {
"AdjustmentType": "ChangeInCapacity",
"AutoScalingGroupName": {"Ref": "WebServerGroup"},
"Cooldown": "300",
"ScalingAdjustment": "-1"
}
},
"CPUAlarmHigh": {
"Type": "AWS::CloudWatch::Alarm",
"Properties": {
"AlarmDescription": "Scale-up if CPU > 85% for 2 minutes",
"MetricName": "CPUUtilization",
"Namespace": "AWS/EC2",
"Statistic": "Average",
"Period": "60",
"EvaluationPeriods": "2",
"Threshold": "85",
"AlarmActions": [{"Ref": "WebServerScaleUpPolicy"}],
"Dimensions": [{
"Name": "AutoScalingGroupName",
"Value": {"Ref": "WebServerGroup"}
}],
"ComparisonOperator": "GreaterThanThreshold"
}
},
"CPUAlarmLow": {
"Type": "AWS::CloudWatch::Alarm",
"Properties": {
"AlarmDescription": "Scale-down if CPU < 40% for 2 minutes",
"MetricName": "CPUUtilization",
"Namespace": "AWS/EC2",
"Statistic": "Average",
"Period": "60",
"EvaluationPeriods": "2",
"Threshold": "40",
"AlarmActions": [{"Ref": "WebServerScaleDownPolicy"}],
"Dimensions": [{
"Name": "AutoScalingGroupName",
"Value": {"Ref": "WebServerGroup"}
}],
"ComparisonOperator": "LessThanThreshold"
}
},
"ElasticLoadBalancer": {
"Type": "AWS::ElasticLoadBalancing::LoadBalancer",
"Properties": {
"Subnets": [{"Ref": "SubnetId"}],
"CrossZone": "true",
"Listeners": [{
"LoadBalancerPort": "80",
"InstancePort": "80",
"Protocol": "HTTP"
}],
"HealthCheck": {
"Target": "HTTP:80/",
"HealthyThreshold": "3",
"UnhealthyThreshold": "5",
"Interval": "30",
"Timeout": "5"
},
"SecurityGroups": [{"Fn::GetAtt": [
"LoadBalancerSecurityGroup",
"GroupId"
]}]
}
}
},
"Outputs": {
"ELBHostName": {
"Description": "The DNS name of the load balancer.",
"Value": {"Fn::GetAtt": [ "ElasticLoadBalancer", "DNSName" ]}
},
"LorisServerSecurityGroupID" : {
"Description" : "The ID of the LorisServerSecurityGroup",
"Value" : { "Fn::GetAtt" : ["LorisServerSecurityGroup", "GroupId"] },
"Export" : { "Name" : {"Fn::Sub": "${AWS::StackName}-LorisServerSecurityGroupID" }}
},
"EFSVolumeID" : {
"Description" : "The ID of the EFS volume",
"Value" : {"Ref": "EFSVolume"},
"Export" : { "Name" : {"Fn::Sub": "${AWS::StackName}-EFSVolumeID" }}
}
}
}