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Amazon Elastic File System (Amazon EFS) es un servicio de almacenamiento de archivos para instancias Amazon Elastic Compute Cloud (Amazon EC2). Con Amazon EFS, sus aplicaciones cuentan con almacenamiento cuando lo necesitan, ya que la capacidad de almacenamiento crece y se reduce automáticamente a medida que añade o elimina archivos.
La siguiente plantilla de ejemplo implementa instancias de EC2 (en un grupo de Auto Scaling) que están asociadas con un sistema de archivos de Amazon EFS. Para asociar las instancias con el sistema de archivos, las instancias ejecutan el script auxiliar cfn-init que descarga e instala el paquete yum nfs-utils, crea un nuevo directorio y, a continuación, utiliza el nombre de DNS del sistema de archivos para montar el sistema de archivos en ese directorio. El nombre de DNS del sistema de archivos se resuelve en una dirección IP del destino de montaje en la zona de disponibilidad de la instancia Amazon EC2. Para obtener más información sobre la estructura de nombres de DNS, consulte Montaje de sistemas de archivos en la Guía del usuario de Amazon Elastic File System.
Para medir la actividad del Sistema de archivos de red (NFS), la plantilla incluye métricas de Amazon CloudWatch personalizadas. La plantilla también crea una VPC, una subred y grupos de seguridad. Para permitir que las instancias se comuniquen con el sistema de archivos, la VPC debe tener el DNS habilitado, y el destino de montaje y las instancias de EC2 tienen que estar en la misma zona de disponibilidad (AZ), especificada por la subred.
El grupo de seguridad del destino de montaje permite una conexión de red al puerto TCP 2049, que es necesaria para que un cliente NFSv4 monte un sistema de archivos. Para obtener más información acerca de los grupos de seguridad para las instancias de EC2 y los destinos de montaje, consulte Seguridad en la Guía del usuario de Amazon Elastic File System.
nota
Si realiza una actualización en el destino de montaje que provoca que haya que sustituirlo, las instancias o aplicaciones que utilizan el sistema de archivos asociados puede verse afectado. Esto puede provocar la pérdida de escrituras sin confirmar. Para evitar interrupciones, detenga las instancias al actualizar el destino de montaje configurando la capacidad deseada en cero. Esto permite que las instancias desmonten el sistema de archivos antes de que se elimine el destino de montaje. Una vez completada la actualización de montaje, comience las instancias en una actualización posterior configurando la capacidad deseada.
JSON
{
"AWSTemplateFormatVersion": "2010-09-09",
"Description": "This template creates an Amazon EFS file system and mount target and associates it with Amazon EC2 instances in an Auto Scaling group. **WARNING** This template creates Amazon EC2 instances and related resources. You will be billed for the AWS resources used if you create a stack from this template.",
"Parameters": {
"InstanceType" : {
"Description" : "WebServer 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."
},
"KeyName": {
"Type": "AWS::EC2::KeyPair::KeyName",
"Description": "Name of an existing EC2 key pair to enable SSH access to the EC2 instances"
},
"AsgMaxSize": {
"Type": "Number",
"Description": "Maximum size and initial desired capacity of Auto Scaling Group",
"Default": "2"
},
"SSHLocation" : {
"Description" : "The IP address range that can be used to connect to the EC2 instances by using SSH",
"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."
},
"VolumeName" : {
"Description" : "The name to be used for the EFS volume",
"Type": "String",
"MinLength": "1",
"Default": "myEFSvolume"
},
"MountPoint" : {
"Description" : "The Linux mount point for the EFS volume",
"Type": "String",
"MinLength": "1",
"Default": "myEFSvolume"
}
},
"Mappings" : {
"AWSInstanceType2Arch" : {
"t1.micro" : { "Arch" : "HVM64" },
"t2.nano" : { "Arch" : "HVM64" },
"t2.micro" : { "Arch" : "HVM64" },
"t2.small" : { "Arch" : "HVM64" },
"t2.medium" : { "Arch" : "HVM64" },
"t2.large" : { "Arch" : "HVM64" },
"m1.small" : { "Arch" : "HVM64" },
"m1.medium" : { "Arch" : "HVM64" },
"m1.large" : { "Arch" : "HVM64" },
"m1.xlarge" : { "Arch" : "HVM64" },
"m2.xlarge" : { "Arch" : "HVM64" },
"m2.2xlarge" : { "Arch" : "HVM64" },
"m2.4xlarge" : { "Arch" : "HVM64" },
"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" : "HVM64" },
"c1.xlarge" : { "Arch" : "HVM64" },
"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" }
},
"AWSRegionArch2AMI" : {
"us-east-1" : {"HVM64" : "ami-0ff8a91507f77f867", "HVMG2" : "ami-0a584ac55a7631c0c"},
"us-west-2" : {"HVM64" : "ami-a0cfeed8", "HVMG2" : "ami-0e09505bc235aa82d"},
"us-west-1" : {"HVM64" : "ami-0bdb828fd58c52235", "HVMG2" : "ami-066ee5fd4a9ef77f1"},
"eu-west-1" : {"HVM64" : "ami-047bb4163c506cd98", "HVMG2" : "ami-0a7c483d527806435"},
"eu-west-2" : {"HVM64" : "ami-f976839e", "HVMG2" : "NOT_SUPPORTED"},
"eu-west-3" : {"HVM64" : "ami-0ebc281c20e89ba4b", "HVMG2" : "NOT_SUPPORTED"},
"eu-central-1" : {"HVM64" : "ami-0233214e13e500f77", "HVMG2" : "ami-06223d46a6d0661c7"},
"ap-northeast-1" : {"HVM64" : "ami-06cd52961ce9f0d85", "HVMG2" : "ami-053cdd503598e4a9d"},
"ap-northeast-2" : {"HVM64" : "ami-0a10b2721688ce9d2", "HVMG2" : "NOT_SUPPORTED"},
"ap-northeast-3" : {"HVM64" : "ami-0d98120a9fb693f07", "HVMG2" : "NOT_SUPPORTED"},
"ap-southeast-1" : {"HVM64" : "ami-08569b978cc4dfa10", "HVMG2" : "ami-0be9df32ae9f92309"},
"ap-southeast-2" : {"HVM64" : "ami-09b42976632b27e9b", "HVMG2" : "ami-0a9ce9fecc3d1daf8"},
"ap-south-1" : {"HVM64" : "ami-0912f71e06545ad88", "HVMG2" : "ami-097b15e89dbdcfcf4"},
"us-east-2" : {"HVM64" : "ami-0b59bfac6be064b78", "HVMG2" : "NOT_SUPPORTED"},
"ca-central-1" : {"HVM64" : "ami-0b18956f", "HVMG2" : "NOT_SUPPORTED"},
"sa-east-1" : {"HVM64" : "ami-07b14488da8ea02a0", "HVMG2" : "NOT_SUPPORTED"},
"cn-north-1" : {"HVM64" : "ami-0a4eaf6c4454eda75", "HVMG2" : "NOT_SUPPORTED"},
"cn-northwest-1" : {"HVM64" : "ami-6b6a7d09", "HVMG2" : "NOT_SUPPORTED"}
}
},
"Resources": {
"CloudWatchPutMetricsRole" : {
"Type" : "AWS::IAM::Role",
"Properties" : {
"AssumeRolePolicyDocument" : {
"Statement" : [ {
"Effect" : "Allow",
"Principal" : {
"Service" : [ "ec2.amazonaws.com" ]
},
"Action" : [ "sts:AssumeRole" ]
} ]
},
"Path" : "/"
}
},
"CloudWatchPutMetricsRolePolicy" : {
"Type" : "AWS::IAM::Policy",
"Properties" : {
"PolicyName" : "CloudWatch_PutMetricData",
"PolicyDocument" : {
"Version": "2012-10-17",
"Statement": [
{
"Sid": "CloudWatchPutMetricData",
"Effect": "Allow",
"Action": ["cloudwatch:PutMetricData"],
"Resource": ["*"]
}
]
},
"Roles" : [ { "Ref" : "CloudWatchPutMetricsRole" } ]
}
},
"CloudWatchPutMetricsInstanceProfile" : {
"Type" : "AWS::IAM::InstanceProfile",
"Properties" : {
"Path" : "/",
"Roles" : [ { "Ref" : "CloudWatchPutMetricsRole" } ]
}
},
"VPC": {
"Type": "AWS::EC2::VPC",
"Properties": {
"EnableDnsSupport" : "true",
"EnableDnsHostnames" : "true",
"CidrBlock": "10.0.0.0/16",
"Tags": [ {"Key": "Application", "Value": { "Ref": "AWS::StackId"} } ]
}
},
"InternetGateway" : {
"Type" : "AWS::EC2::InternetGateway",
"Properties" : {
"Tags" : [
{ "Key" : "Application", "Value" : { "Ref" : "AWS::StackName" } },
{ "Key" : "Network", "Value" : "Public" }
]
}
},
"GatewayToInternet" : {
"Type" : "AWS::EC2::VPCGatewayAttachment",
"Properties" : {
"VpcId" : { "Ref" : "VPC" },
"InternetGatewayId" : { "Ref" : "InternetGateway" }
}
},
"RouteTable":{
"Type":"AWS::EC2::RouteTable",
"Properties":{
"VpcId": {"Ref":"VPC"}
}
},
"SubnetRouteTableAssoc": {
"Type" : "AWS::EC2::SubnetRouteTableAssociation",
"Properties" : {
"RouteTableId" : {"Ref":"RouteTable"},
"SubnetId" : {"Ref":"Subnet"}
}
},
"InternetGatewayRoute": {
"Type":"AWS::EC2::Route",
"Properties":{
"DestinationCidrBlock":"0.0.0.0/0",
"RouteTableId":{"Ref":"RouteTable"},
"GatewayId":{"Ref":"InternetGateway"}
}
},
"Subnet": {
"Type": "AWS::EC2::Subnet",
"Properties": {
"VpcId": { "Ref": "VPC" },
"CidrBlock": "10.0.0.0/24",
"Tags": [ { "Key": "Application", "Value": { "Ref": "AWS::StackId" } } ]
}
},
"InstanceSecurityGroup": {
"Type": "AWS::EC2::SecurityGroup",
"Properties": {
"VpcId": { "Ref": "VPC" },
"GroupDescription": "Enable SSH access via port 22",
"SecurityGroupIngress": [
{ "IpProtocol": "tcp", "FromPort": 22, "ToPort": 22, "CidrIp": { "Ref": "SSHLocation" } },
{ "IpProtocol": "tcp", "FromPort": 80, "ToPort": 80, "CidrIp": "0.0.0.0/0" }
]
}
},
"MountTargetSecurityGroup": {
"Type": "AWS::EC2::SecurityGroup",
"Properties": {
"VpcId": { "Ref": "VPC" },
"GroupDescription": "Security group for mount target",
"SecurityGroupIngress": [
{
"IpProtocol": "tcp",
"FromPort": 2049,
"ToPort": 2049,
"CidrIp": "0.0.0.0/0"
}
]
}
},
"FileSystem": {
"Type": "AWS::EFS::FileSystem",
"Properties": {
"PerformanceMode": "generalPurpose",
"FileSystemTags": [
{
"Key": "Name",
"Value": { "Ref" : "VolumeName" }
}
]
}
},
"MountTarget": {
"Type": "AWS::EFS::MountTarget",
"Properties": {
"FileSystemId": { "Ref": "FileSystem" },
"SubnetId": { "Ref": "Subnet" },
"SecurityGroups": [ { "Ref": "MountTargetSecurityGroup" } ]
}
},
"LaunchConfiguration": {
"Type": "AWS::AutoScaling::LaunchConfiguration",
"Metadata" : {
"AWS::CloudFormation::Init" : {
"configSets" : {
"MountConfig" : [ "setup", "mount" ]
},
"setup" : {
"packages" : {
"yum" : {
"nfs-utils" : []
}
},
"files" : {
"/home/ec2-user/post_nfsstat" : {
"content" : { "Fn::Join" : [ "", [
"#!/bin/bash\n",
"\n",
"INPUT=\"$(cat)\"\n",
"CW_JSON_OPEN='{ \"Namespace\": \"EFS\", \"MetricData\": [ '\n",
"CW_JSON_CLOSE=' ] }'\n",
"CW_JSON_METRIC=''\n",
"METRIC_COUNTER=0\n",
"\n",
"for COL in 1 2 3 4 5 6; do\n",
"\n",
" COUNTER=0\n",
" METRIC_FIELD=$COL\n",
" DATA_FIELD=$(($COL+($COL-1)))\n",
"\n",
" while read line; do\n",
" if [[ COUNTER -gt 0 ]]; then\n",
"\n",
" LINE=`echo $line | tr -s ' ' `\n",
" AWS_COMMAND=\"aws cloudwatch put-metric-data --region ", { "Ref": "AWS::Region" }, "\"\n",
" MOD=$(( $COUNTER % 2))\n",
"\n",
" if [ $MOD -eq 1 ]; then\n",
" METRIC_NAME=`echo $LINE | cut -d ' ' -f $METRIC_FIELD`\n",
" else\n",
" METRIC_VALUE=`echo $LINE | cut -d ' ' -f $DATA_FIELD`\n",
" fi\n",
"\n",
" if [[ -n \"$METRIC_NAME\" && -n \"$METRIC_VALUE\" ]]; then\n",
" INSTANCE_ID=$(curl -s http://169.254.169.254/latest/meta-data/instance-id)\n",
" CW_JSON_METRIC=\"$CW_JSON_METRIC { \\\"MetricName\\\": \\\"$METRIC_NAME\\\", \\\"Dimensions\\\": [{\\\"Name\\\": \\\"InstanceId\\\", \\\"Value\\\": \\\"$INSTANCE_ID\\\"} ], \\\"Value\\\": $METRIC_VALUE },\"\n",
" unset METRIC_NAME\n",
" unset METRIC_VALUE\n",
"\n",
" METRIC_COUNTER=$((METRIC_COUNTER+1))\n",
" if [ $METRIC_COUNTER -eq 20 ]; then\n",
" # 20 is max metric collection size, so we have to submit here\n",
" aws cloudwatch put-metric-data --region ", { "Ref": "AWS::Region" }, " --cli-input-json \"`echo $CW_JSON_OPEN ${CW_JSON_METRIC%?} $CW_JSON_CLOSE`\"\n",
"\n",
" # reset\n",
" METRIC_COUNTER=0\n",
" CW_JSON_METRIC=''\n",
" fi\n",
" fi \n",
"\n",
"\n",
"\n",
" COUNTER=$((COUNTER+1))\n",
" fi\n",
"\n",
" if [[ \"$line\" == \"Client nfs v4:\" ]]; then\n",
" # the next line is the good stuff \n",
" COUNTER=$((COUNTER+1))\n",
" fi\n",
" done <<< \"$INPUT\"\n",
"done\n",
"\n",
"# submit whatever is left\n",
"aws cloudwatch put-metric-data --region ", { "Ref": "AWS::Region" }, " --cli-input-json \"`echo $CW_JSON_OPEN ${CW_JSON_METRIC%?} $CW_JSON_CLOSE`\""
] ] },
"mode": "000755",
"owner": "ec2-user",
"group": "ec2-user"
},
"/home/ec2-user/crontab" : {
"content" : { "Fn::Join" : [ "", [
"* * * * * /usr/sbin/nfsstat | /home/ec2-user/post_nfsstat\n"
] ] },
"owner": "ec2-user",
"group": "ec2-user"
}
},
"commands" : {
"01_createdir" : {
"command" : {"Fn::Join" : [ "", [ "mkdir /", { "Ref" : "MountPoint" }]]}
}
}
},
"mount" : {
"commands" : {
"01_mount" : {
"command" : { "Fn::Sub": "sudo mount -t nfs4 -o nfsvers=4.1,rsize=1048576,wsize=1048576,hard,timeo=600,retrans=2 ${FileSystem}.efs.${AWS::Region}.amazonaws.com:/ /${MountPoint}"}
},
"02_permissions" : {
"command" : {"Fn::Join" : [ "", [ "chown ec2-user:ec2-user /", { "Ref" : "MountPoint" }]]}
}
}
}
}
},
"Properties": {
"AssociatePublicIpAddress" : true,
"ImageId": {
"Fn::FindInMap": [ "AWSRegionArch2AMI", { "Ref": "AWS::Region" }, {
"Fn::FindInMap": [ "AWSInstanceType2Arch", { "Ref": "InstanceType" }, "Arch" ]
} ]
},
"InstanceType": { "Ref": "InstanceType" },
"KeyName": { "Ref": "KeyName" },
"SecurityGroups": [ { "Ref": "InstanceSecurityGroup" } ],
"IamInstanceProfile" : { "Ref" : "CloudWatchPutMetricsInstanceProfile" },
"UserData" : { "Fn::Base64" : { "Fn::Join" : ["", [
"#!/bin/bash -xe\n",
"yum install -y aws-cfn-bootstrap\n",
"/opt/aws/bin/cfn-init -v ",
" --stack ", { "Ref" : "AWS::StackName" },
" --resource LaunchConfiguration ",
" --configsets MountConfig ",
" --region ", { "Ref" : "AWS::Region" }, "\n",
"crontab /home/ec2-user/crontab\n",
"/opt/aws/bin/cfn-signal -e $? ",
" --stack ", { "Ref" : "AWS::StackName" },
" --resource AutoScalingGroup ",
" --region ", { "Ref" : "AWS::Region" }, "\n"
]]}}
}
},
"AutoScalingGroup": {
"Type": "AWS::AutoScaling::AutoScalingGroup",
"DependsOn": ["MountTarget", "GatewayToInternet"],
"CreationPolicy" : {
"ResourceSignal" : {
"Timeout" : "PT15M",
"Count" : { "Ref": "AsgMaxSize" }
}
},
"Properties": {
"VPCZoneIdentifier": [ { "Ref": "Subnet" } ],
"LaunchConfigurationName": { "Ref": "LaunchConfiguration" },
"MinSize": "1",
"MaxSize": { "Ref": "AsgMaxSize" },
"DesiredCapacity": { "Ref": "AsgMaxSize" },
"Tags": [ {
"Key": "Name",
"Value": "EFS FileSystem Mounted Instance",
"PropagateAtLaunch": "true"
} ]
}
}
},
"Outputs" : {
"MountTargetID" : {
"Description" : "Mount target ID",
"Value" : { "Ref" : "MountTarget" }
},
"FileSystemID" : {
"Description" : "File system ID",
"Value" : { "Ref" : "FileSystem" }
}
}
}YAML
AWSTemplateFormatVersion: '2010-09-09'
Description: This template creates an Amazon EFS file system and mount target and
associates it with Amazon EC2 instances in an Auto Scaling group. **WARNING** This
template creates Amazon EC2 instances and related resources. You will be billed
for the AWS resources used if you create a stack from this template.
Parameters:
InstanceType:
Description: WebServer 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.
KeyName:
Type: AWS::EC2::KeyPair::KeyName
Description: Name of an existing EC2 key pair to enable SSH access to the ECS
instances
AsgMaxSize:
Type: Number
Description: Maximum size and initial desired capacity of Auto Scaling Group
Default: '2'
SSHLocation:
Description: The IP address range that can be used to connect to the EC2 instances
by using SSH
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.
VolumeName:
Description: The name to be used for the EFS volume
Type: String
MinLength: '1'
Default: myEFSvolume
MountPoint:
Description: The Linux mount point for the EFS volume
Type: String
MinLength: '1'
Default: myEFSvolume
Mappings:
AWSInstanceType2Arch:
t1.micro:
Arch: HVM64
t2.nano:
Arch: HVM64
t2.micro:
Arch: HVM64
t2.small:
Arch: HVM64
t2.medium:
Arch: HVM64
t2.large:
Arch: HVM64
m1.small:
Arch: HVM64
m1.medium:
Arch: HVM64
m1.large:
Arch: HVM64
m1.xlarge:
Arch: HVM64
m2.xlarge:
Arch: HVM64
m2.2xlarge:
Arch: HVM64
m2.4xlarge:
Arch: HVM64
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: HVM64
c1.xlarge:
Arch: HVM64
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
AWSRegionArch2AMI:
us-east-1:
HVM64: ami-0ff8a91507f77f867
HVMG2: ami-0a584ac55a7631c0c
us-west-2:
HVM64: ami-a0cfeed8
HVMG2: ami-0e09505bc235aa82d
us-west-1:
HVM64: ami-0bdb828fd58c52235
HVMG2: ami-066ee5fd4a9ef77f1
eu-west-1:
HVM64: ami-047bb4163c506cd98
HVMG2: ami-0a7c483d527806435
eu-west-2:
HVM64: ami-f976839e
HVMG2: NOT_SUPPORTED
eu-west-3:
HVM64: ami-0ebc281c20e89ba4b
HVMG2: NOT_SUPPORTED
eu-central-1:
HVM64: ami-0233214e13e500f77
HVMG2: ami-06223d46a6d0661c7
ap-northeast-1:
HVM64: ami-06cd52961ce9f0d85
HVMG2: ami-053cdd503598e4a9d
ap-northeast-2:
HVM64: ami-0a10b2721688ce9d2
HVMG2: NOT_SUPPORTED
ap-northeast-3:
HVM64: ami-0d98120a9fb693f07
HVMG2: NOT_SUPPORTED
ap-southeast-1:
HVM64: ami-08569b978cc4dfa10
HVMG2: ami-0be9df32ae9f92309
ap-southeast-2:
HVM64: ami-09b42976632b27e9b
HVMG2: ami-0a9ce9fecc3d1daf8
ap-south-1:
HVM64: ami-0912f71e06545ad88
HVMG2: ami-097b15e89dbdcfcf4
us-east-2:
HVM64: ami-0b59bfac6be064b78
HVMG2: NOT_SUPPORTED
ca-central-1:
HVM64: ami-0b18956f
HVMG2: NOT_SUPPORTED
sa-east-1:
HVM64: ami-07b14488da8ea02a0
HVMG2: NOT_SUPPORTED
cn-north-1:
HVM64: ami-0a4eaf6c4454eda75
HVMG2: NOT_SUPPORTED
cn-northwest-1:
HVM64: ami-6b6a7d09
HVMG2: NOT_SUPPORTED
Resources:
CloudWatchPutMetricsRole:
Type: AWS::IAM::Role
Properties:
AssumeRolePolicyDocument:
Statement:
- Effect: Allow
Principal:
Service:
- ec2.amazonaws.com
Action:
- sts:AssumeRole
Path: "/"
CloudWatchPutMetricsRolePolicy:
Type: AWS::IAM::Policy
Properties:
PolicyName: CloudWatch_PutMetricData
PolicyDocument:
Version: '2012-10-17'
Statement:
- Sid: CloudWatchPutMetricData
Effect: Allow
Action:
- cloudwatch:PutMetricData
Resource:
- "*"
Roles:
- Ref: CloudWatchPutMetricsRole
CloudWatchPutMetricsInstanceProfile:
Type: AWS::IAM::InstanceProfile
Properties:
Path: "/"
Roles:
- Ref: CloudWatchPutMetricsRole
VPC:
Type: AWS::EC2::VPC
Properties:
EnableDnsSupport: 'true'
EnableDnsHostnames: 'true'
CidrBlock: 10.0.0.0/16
Tags:
- Key: Application
Value:
Ref: AWS::StackId
InternetGateway:
Type: AWS::EC2::InternetGateway
Properties:
Tags:
- Key: Application
Value:
Ref: AWS::StackName
- Key: Network
Value: Public
GatewayToInternet:
Type: AWS::EC2::VPCGatewayAttachment
Properties:
VpcId:
Ref: VPC
InternetGatewayId:
Ref: InternetGateway
RouteTable:
Type: AWS::EC2::RouteTable
Properties:
VpcId:
Ref: VPC
SubnetRouteTableAssoc:
Type: AWS::EC2::SubnetRouteTableAssociation
Properties:
RouteTableId:
Ref: RouteTable
SubnetId:
Ref: Subnet
InternetGatewayRoute:
Type: AWS::EC2::Route
Properties:
DestinationCidrBlock: 0.0.0.0/0
RouteTableId:
Ref: RouteTable
GatewayId:
Ref: InternetGateway
Subnet:
Type: AWS::EC2::Subnet
Properties:
VpcId:
Ref: VPC
CidrBlock: 10.0.0.0/24
Tags:
- Key: Application
Value:
Ref: AWS::StackId
InstanceSecurityGroup:
Type: AWS::EC2::SecurityGroup
Properties:
VpcId:
Ref: VPC
GroupDescription: Enable SSH access via port 22
SecurityGroupIngress:
- IpProtocol: tcp
FromPort: 22
ToPort: 22
CidrIp:
Ref: SSHLocation
- IpProtocol: tcp
FromPort: 80
ToPort: 80
CidrIp: 0.0.0.0/0
MountTargetSecurityGroup:
Type: AWS::EC2::SecurityGroup
Properties:
VpcId:
Ref: VPC
GroupDescription: Security group for mount target
SecurityGroupIngress:
- IpProtocol: tcp
FromPort: 2049
ToPort: 2049
CidrIp: 0.0.0.0/0
FileSystem:
Type: AWS::EFS::FileSystem
Properties:
PerformanceMode: generalPurpose
FileSystemTags:
- Key: Name
Value:
Ref: VolumeName
MountTarget:
Type: AWS::EFS::MountTarget
Properties:
FileSystemId:
Ref: FileSystem
SubnetId:
Ref: Subnet
SecurityGroups:
- Ref: MountTargetSecurityGroup
LaunchConfiguration:
Type: AWS::AutoScaling::LaunchConfiguration
Metadata:
AWS::CloudFormation::Init:
configSets:
MountConfig:
- setup
- mount
setup:
packages:
yum:
nfs-utils: []
files:
"/home/ec2-user/post_nfsstat":
content: !Sub |
#!/bin/bash
INPUT="$(cat)"
CW_JSON_OPEN='{ "Namespace": "EFS", "MetricData": [ '
CW_JSON_CLOSE=' ] }'
CW_JSON_METRIC=''
METRIC_COUNTER=0
for COL in 1 2 3 4 5 6; do
COUNTER=0
METRIC_FIELD=$COL
DATA_FIELD=$(($COL+($COL-1)))
while read line; do
if [[ COUNTER -gt 0 ]]; then
LINE=`echo $line | tr -s ' ' `
AWS_COMMAND="aws cloudwatch put-metric-data --region ${AWS::Region}"
MOD=$(( $COUNTER % 2))
if [ $MOD -eq 1 ]; then
METRIC_NAME=`echo $LINE | cut -d ' ' -f $METRIC_FIELD`
else
METRIC_VALUE=`echo $LINE | cut -d ' ' -f $DATA_FIELD`
fi
if [[ -n "$METRIC_NAME" && -n "$METRIC_VALUE" ]]; then
INSTANCE_ID=$(curl -s http://169.254.169.254/latest/meta-data/instance-id)
CW_JSON_METRIC="$CW_JSON_METRIC { \"MetricName\": \"$METRIC_NAME\", \"Dimensions\": [{\"Name\": \"InstanceId\", \"Value\": \"$INSTANCE_ID\"} ], \"Value\": $METRIC_VALUE },"
unset METRIC_NAME
unset METRIC_VALUE
METRIC_COUNTER=$((METRIC_COUNTER+1))
if [ $METRIC_COUNTER -eq 20 ]; then
# 20 is max metric collection size, so we have to submit here
aws cloudwatch put-metric-data --region ${AWS::Region} --cli-input-json "`echo $CW_JSON_OPEN ${!CW_JSON_METRIC%?} $CW_JSON_CLOSE`"
# reset
METRIC_COUNTER=0
CW_JSON_METRIC=''
fi
fi
COUNTER=$((COUNTER+1))
fi
if [[ "$line" == "Client nfs v4:" ]]; then
# the next line is the good stuff
COUNTER=$((COUNTER+1))
fi
done <<< "$INPUT"
done
# submit whatever is left
aws cloudwatch put-metric-data --region ${AWS::Region} --cli-input-json "`echo $CW_JSON_OPEN ${!CW_JSON_METRIC%?} $CW_JSON_CLOSE`"
mode: '000755'
owner: ec2-user
group: ec2-user
"/home/ec2-user/crontab":
content: "* * * * * /usr/sbin/nfsstat | /home/ec2-user/post_nfsstat\n"
owner: ec2-user
group: ec2-user
commands:
01_createdir:
command: !Sub "mkdir /${MountPoint}"
mount:
commands:
01_mount:
command: !Sub >
mount -t nfs4 -o nfsvers=4.1 ${FileSystem}.efs.${AWS::Region}.amazonaws.com:/ /${MountPoint}
02_permissions:
command: !Sub "chown ec2-user:ec2-user /${MountPoint}"
Properties:
AssociatePublicIpAddress: true
ImageId:
Fn::FindInMap:
- AWSRegionArch2AMI
- Ref: AWS::Region
- Fn::FindInMap:
- AWSInstanceType2Arch
- Ref: InstanceType
- Arch
InstanceType:
Ref: InstanceType
KeyName:
Ref: KeyName
SecurityGroups:
- Ref: InstanceSecurityGroup
IamInstanceProfile:
Ref: CloudWatchPutMetricsInstanceProfile
UserData:
Fn::Base64: !Sub |
#!/bin/bash -xe
yum install -y aws-cfn-bootstrap
/opt/aws/bin/cfn-init -v --stack ${AWS::StackName} --resource LaunchConfiguration --configsets MountConfig --region ${AWS::Region}
crontab /home/ec2-user/crontab
/opt/aws/bin/cfn-signal -e $? --stack ${AWS::StackName} --resource AutoScalingGroup --region ${AWS::Region}
AutoScalingGroup:
Type: AWS::AutoScaling::AutoScalingGroup
DependsOn:
- MountTarget
- GatewayToInternet
CreationPolicy:
ResourceSignal:
Timeout: PT15M
Count:
Ref: AsgMaxSize
Properties:
VPCZoneIdentifier:
- Ref: Subnet
LaunchConfigurationName:
Ref: LaunchConfiguration
MinSize: '1'
MaxSize:
Ref: AsgMaxSize
DesiredCapacity:
Ref: AsgMaxSize
Tags:
- Key: Name
Value: EFS FileSystem Mounted Instance
PropagateAtLaunch: 'true'
Outputs:
MountTargetID:
Description: Mount target ID
Value:
Ref: MountTarget
FileSystemID:
Description: File system ID
Value:
Ref: FileSystem