---
AWSTemplateFormatVersion: 2010-09-09
Description: Creates an Amazon CloudWatch dashboard with Metric Math expressions to monitor an Amazon EFS file system. It also includes a file system size custom metric to display the metered size of the file system.
Metadata:
Authors:
Description: Darryl Osborne (darrylo@amazon.com)
License:
Description: 'Copyright 2018 Amazon.com, Inc. and its affiliates. All Rights Reserved.
Licensed under the Amazon Software License (the "License"). You may not use this file
except in compliance with the License. A copy of the License is located at
http://aws.amazon.com/asl/
or in the "license" file accompanying this file. This file is distributed on an "AS IS"
BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
License for the specific language governing permissions and limitations under the License.'
AWS::CloudFormation::Interface:
ParameterGroups:
- Label:
default: File System Parameters
Parameters:
- ElasticFileSystem
- DeletionPolicy
ParameterLabels:
DeletionPolicy:
default: Retain or Delete
ElasticFileSystem:
default: Amazon EFS File System
Parameters:
DeletionPolicy:
AllowedValues:
- Delete
- Retain
Default: Delete
Description: Retain or delete the Amazon EFS Dashboard after the CloudFormation stack is deleted.
Type: String
ElasticFileSystem:
AllowedPattern: ^(fs-)([a-z0-9]{8})$
Description: Amazon EFS file system id.
Type: String
Conditions:
Delete:
!Equals [ !Ref DeletionPolicy, Delete ]
Retain:
!Equals [ !Ref DeletionPolicy, Retain ]
Resources:
EfsDashboardRetain:
Type: AWS::CloudWatch::Dashboard
Condition: Retain
DeletionPolicy: Retain
Properties:
DashboardName: !Join [ '-', [ !Ref 'AWS::Region', !Ref ElasticFileSystem, !Ref 'AWS::StackName' ] ]
DashboardBody:
!Sub |
{
"widgets": [
{
"type": "metric",
"x": 0,
"y": 3,
"width": 15,
"height": 9,
"properties": {
"view": "timeSeries",
"stacked": false,
"metrics": [
[ { "expression": "(m1/1048576)/PERIOD(m1)", "label": "Total Throughput (MiB/s)", "id": "e1", "yAxis": "left", "color": "#2ca02c" } ],
[ { "expression": "(m2/1048576)/PERIOD(m2)", "label": "Data Write Throughput (MiB/s)", "id": "e2", "yAxis": "left", "color": "#1f77b4" } ],
[ { "expression": "(m3/1048576)/PERIOD(m3)", "label": "Data Read Throughput (MiB/s)", "id": "e3", "yAxis": "left", "color": "#ff7f0e" } ],
[ { "expression": "(m4/1048576)/PERIOD(m4)", "label": "Metadata Throughput (MiB/s)", "id": "e4", "yAxis": "left", "color": "#d62728" } ],
[ "AWS/EFS", "TotalIOBytes", "FileSystemId", "${ElasticFileSystem}", { "id": "m1", "stat": "Sum", "period": 60, "yAxis": "right", "visible": false } ],
[ ".", "DataWriteIOBytes", ".", ".", { "period": 60, "stat": "Sum", "id": "m2", "yAxis": "right", "visible": false } ],
[ ".", "DataReadIOBytes", ".", ".", { "period": 60, "stat": "Sum", "id": "m3", "yAxis": "right", "visible": false } ],
[ ".", "MetadataIOBytes", ".", ".", { "period": 60, "stat": "Sum", "id": "m4", "yAxis": "right", "visible": false } ]
],
"region": "${AWS::Region}",
"period": 60,
"title": "Total Throughput (MiB/s)"
}
},
{
"type": "metric",
"x": 15,
"y": 18,
"width": 9,
"height": 6,
"properties": {
"view": "timeSeries",
"stacked": false,
"metrics": [
[ { "expression": "(m1/1024)/m2", "label": "Data Write IO Size (KiB)", "id": "e1", "color": "#1f77b4" } ],
[ { "expression": "(m3/1024)/m4", "label": "Data Read IO Size (KiB)", "id": "e2", "color": "#ff7f0e" } ],
[ { "expression": "(m5/1024)/m6", "label": "Metadata IO Size (KiB)", "id": "e3", "color": "#d62728" } ],
[ "AWS/EFS", "DataWriteIOBytes", "FileSystemId", "${ElasticFileSystem}", { "stat": "Sum", "period": 60, "id": "m1", "visible": false } ],
[ "...", { "stat": "SampleCount", "period": 60, "id": "m2", "visible": false } ],
[ ".", "DataReadIOBytes", ".", ".", { "period": 60, "stat": "Sum", "id": "m3", "visible": false } ],
[ "...", { "period": 60, "stat": "SampleCount", "id": "m4", "visible": false } ],
[ ".", "MetadataIOBytes", ".", ".", { "period": 60, "stat": "Sum", "id": "m5", "visible": false } ],
[ "...", { "period": 60, "stat": "SampleCount", "id": "m6", "visible": false } ]
],
"region": "${AWS::Region}",
"title": "Avg. IO Size (KiB)",
"period": 60
}
},
{
"type": "metric",
"x": 0,
"y": 18,
"width": 15,
"height": 6,
"properties": {
"view": "timeSeries",
"stacked": false,
"metrics": [
[ { "expression": "((m1/1048576)/PERIOD(m1))", "label": "Avgerage Throughput (MiB/s)", "id": "e1", "period": 60, "color": "#2ca02c", "yAxis": "right" } ],
[ { "expression": "(m2/1048576)", "label": "Permitted Throughput", "id": "e2" } ],
[ { "expression": "e2-e1", "label": "Available Throughput (MiB/s)", "id": "e3", "color": "#17becf" } ],
[ { "expression": "((e1)*100)/(e2)", "label": "Percent Throughput Utilization (%)", "id": "e3" } ],
[ "AWS/EFS", "TotalIOBytes", "FileSystemId", "${ElasticFileSystem}", { "id": "m1", "visible": false } ],
[ ".", "PermittedThroughput", ".", ".", { "id": "m2", "visible": false, "stat": "Average" } ]
],
"region": "${AWS::Region}",
"title": "Throughput Utilization (MiB/s)",
"period": 60
}
},
{
"type": "metric",
"x": 15,
"y": 3,
"width": 9,
"height": 9,
"properties": {
"view": "timeSeries",
"stacked": false,
"metrics": [
[ { "expression": "(m1)/PERIOD(m1)", "label": "Total iops", "id": "e1", "yAxis": "left", "stat": "SampleCount", "color": "#2ca02c" } ],
[ { "expression": "(m2)/PERIOD(m2)", "label": "Data Write iops", "id": "e2", "stat": "SampleCount", "color": "#1f77b4" } ],
[ { "expression": "(m3)/PERIOD(m3)", "label": "Data Read iops", "id": "e3", "stat": "SampleCount", "color": "#ff7f0e" } ],
[ { "expression": "(m4)/PERIOD(m4)", "label": "Metadata iops", "id": "e4", "stat": "SampleCount", "color": "#d62728" } ],
[ "AWS/EFS", "TotalIOBytes", "FileSystemId", "${ElasticFileSystem}", { "id": "m1", "stat": "SampleCount", "period": 60, "visible": false } ],
[ ".", "DataWriteIOBytes", ".", ".", { "period": 60, "stat": "SampleCount", "id": "m2", "visible": false } ],
[ ".", "DataReadIOBytes", ".", ".", { "period": 60, "stat": "SampleCount", "id": "m3", "visible": false } ],
[ ".", "MetadataIOBytes", ".", ".", { "period": 60, "stat": "SampleCount", "id": "m4", "visible": false } ]
],
"region": "${AWS::Region}",
"period": 60,
"title": "Total IOPS"
}
},
{
"type": "metric",
"x": 15,
"y": 12,
"width": 9,
"height": 6,
"properties": {
"view": "timeSeries",
"metrics": [
[ { "expression": "m2*100/m1", "label": "Data Write (%)", "id": "e1", "color": "#1f77b4" } ],
[ { "expression": "m3*100/m1", "label": "Data Read (%)", "id": "e2", "color": "#ff7f0e" } ],
[ { "expression": "m4*100/m1", "label": "Metadata (%)", "id": "e3", "color": "#d62728" } ],
[ "AWS/EFS", "TotalIOBytes", "FileSystemId", "${ElasticFileSystem}", { "stat": "SampleCount", "period": 60, "id": "m1", "visible": false } ],
[ ".", "DataWriteIOBytes", ".", ".", { "stat": "SampleCount", "period": 60, "id": "m2", "visible": false } ],
[ ".", "DataReadIOBytes", ".", ".", { "stat": "SampleCount", "period": 60, "id": "m3", "visible": false } ],
[ ".", "MetadataIOBytes", ".", ".", { "stat": "SampleCount", "period": 60, "id": "m4", "visible": false } ]
],
"region": "${AWS::Region}",
"stacked": false,
"title": "Percent IOPS Type",
"period": 60
}
},
{
"type": "metric",
"x": 0,
"y": 12,
"width": 15,
"height": 6,
"properties": {
"view": "timeSeries",
"metrics": [
[ { "expression": "m2*100/m1", "label": "Data Write (%)", "id": "e1", "stat": "Sum", "color": "#1f77b4" } ],
[ { "expression": "m3*100/m1", "label": "Data Read (%)", "id": "e2", "stat": "Sum", "color": "#ff7f0e" } ],
[ { "expression": "m4*100/m1", "label": "Metadata (%)", "id": "e3", "stat": "Sum", "color": "#d62728" } ],
[ "AWS/EFS", "TotalIOBytes", "FileSystemId", "${ElasticFileSystem}", { "stat": "Sum", "period": 60, "id": "m1", "visible": false } ],
[ ".", "DataWriteIOBytes", ".", ".", { "stat": "Sum", "period": 60, "id": "m2", "visible": false } ],
[ ".", "DataReadIOBytes", ".", ".", { "stat": "Sum", "period": 60, "id": "m3", "visible": false } ],
[ ".", "MetadataIOBytes", ".", ".", { "stat": "Sum", "period": 60, "id": "m4", "visible": false } ]
],
"region": "${AWS::Region}",
"stacked": false,
"title": "Percent Throughput Type",
"period": 60
}
},
{
"type": "text",
"x": 15,
"y": 0,
"width": 9,
"height": 3,
"properties": {
"markdown": "\n# Amazon EFS file system: ${ElasticFileSystem}\n## Region: ${AWS::Region}\n"
}
},
{
"type": "metric",
"x": 0,
"y": 0,
"width": 15,
"height": 3,
"styles": "undefined",
"properties": {
"view": "singleValue",
"metrics": [
[ { "expression": "m2/1048576", "label": "Permitted Throughput (MiB/s)", "id": "e1" } ],
[ "Custom/EFS", "SizeInBytes", "FileSystemId", "${ElasticFileSystem}", { "label": "Metered Size (Bytes)", "id": "m1" } ],
[ "AWS/EFS", "PermittedThroughput", ".", ".", { "label": "Permitted Throughput", "id": "m2", "visible": false } ],
[ ".", "BurstCreditBalance", ".", ".", { "label": "BurstCreditBalance", "id": "m3" } ]
],
"region": "${AWS::Region}",
"period": 60,
"title": "File system metrics"
}
}
]
}
EfsDashboardDelete:
Type: AWS::CloudWatch::Dashboard
Condition: Delete
DeletionPolicy: Delete
Properties:
DashboardName: !Join [ '-', [ !Ref 'AWS::Region', !Ref ElasticFileSystem, !Ref 'AWS::StackName' ] ]
DashboardBody:
!Sub |
{
"widgets": [
{
"type": "metric",
"x": 0,
"y": 3,
"width": 15,
"height": 9,
"properties": {
"view": "timeSeries",
"stacked": false,
"metrics": [
[ { "expression": "(m1/1048576)/PERIOD(m1)", "label": "Total Throughput (MiB/s)", "id": "e1", "yAxis": "left", "color": "#2ca02c" } ],
[ { "expression": "(m2/1048576)/PERIOD(m2)", "label": "Data Write Throughput (MiB/s)", "id": "e2", "yAxis": "left", "color": "#1f77b4" } ],
[ { "expression": "(m3/1048576)/PERIOD(m3)", "label": "Data Read Throughput (MiB/s)", "id": "e3", "yAxis": "left", "color": "#ff7f0e" } ],
[ { "expression": "(m4/1048576)/PERIOD(m4)", "label": "Metadata Throughput (MiB/s)", "id": "e4", "yAxis": "left", "color": "#d62728" } ],
[ "AWS/EFS", "TotalIOBytes", "FileSystemId", "${ElasticFileSystem}", { "id": "m1", "stat": "Sum", "period": 60, "yAxis": "right", "visible": false } ],
[ ".", "DataWriteIOBytes", ".", ".", { "period": 60, "stat": "Sum", "id": "m2", "yAxis": "right", "visible": false } ],
[ ".", "DataReadIOBytes", ".", ".", { "period": 60, "stat": "Sum", "id": "m3", "yAxis": "right", "visible": false } ],
[ ".", "MetadataIOBytes", ".", ".", { "period": 60, "stat": "Sum", "id": "m4", "yAxis": "right", "visible": false } ]
],
"region": "${AWS::Region}",
"period": 60,
"title": "Total Throughput (MiB/s)"
}
},
{
"type": "metric",
"x": 15,
"y": 18,
"width": 9,
"height": 6,
"properties": {
"view": "timeSeries",
"stacked": false,
"metrics": [
[ { "expression": "(m1/1024)/m2", "label": "Data Write IO Size (KiB)", "id": "e1", "color": "#1f77b4" } ],
[ { "expression": "(m3/1024)/m4", "label": "Data Read IO Size (KiB)", "id": "e2", "color": "#ff7f0e" } ],
[ { "expression": "(m5/1024)/m6", "label": "Metadata IO Size (KiB)", "id": "e3", "color": "#d62728" } ],
[ "AWS/EFS", "DataWriteIOBytes", "FileSystemId", "${ElasticFileSystem}", { "stat": "Sum", "period": 60, "id": "m1", "visible": false } ],
[ "...", { "stat": "SampleCount", "period": 60, "id": "m2", "visible": false } ],
[ ".", "DataReadIOBytes", ".", ".", { "period": 60, "stat": "Sum", "id": "m3", "visible": false } ],
[ "...", { "period": 60, "stat": "SampleCount", "id": "m4", "visible": false } ],
[ ".", "MetadataIOBytes", ".", ".", { "period": 60, "stat": "Sum", "id": "m5", "visible": false } ],
[ "...", { "period": 60, "stat": "SampleCount", "id": "m6", "visible": false } ]
],
"region": "${AWS::Region}",
"title": "Avg. IO Size (KiB)",
"period": 60
}
},
{
"type": "metric",
"x": 0,
"y": 18,
"width": 15,
"height": 6,
"properties": {
"view": "timeSeries",
"stacked": false,
"metrics": [
[ { "expression": "((m1/1048576)/PERIOD(m1))", "label": "Avgerage Throughput (MiB/s)", "id": "e1", "period": 60, "color": "#2ca02c", "yAxis": "right" } ],
[ { "expression": "(m2/1048576)", "label": "Permitted Throughput (MiB/s)", "id": "e2" } ],
[ { "expression": "e2-e1", "label": "Available Throughput (MiB/s)", "id": "e3", "color": "#17becf" } ],
[ { "expression": "((e1)*100)/(e2)", "label": "Percent Throughput Utilization (%)", "id": "e3" } ],
[ "AWS/EFS", "TotalIOBytes", "FileSystemId", "${ElasticFileSystem}", { "id": "m1", "visible": false } ],
[ ".", "PermittedThroughput", ".", ".", { "id": "m2", "visible": false, "stat": "Average" } ]
],
"region": "${AWS::Region}",
"title": "Throughput Utilization",
"period": 60
}
},
{
"type": "metric",
"x": 15,
"y": 3,
"width": 9,
"height": 9,
"properties": {
"view": "timeSeries",
"stacked": false,
"metrics": [
[ { "expression": "(m1)/PERIOD(m1)", "label": "Total iops", "id": "e1", "yAxis": "left", "stat": "SampleCount", "color": "#2ca02c" } ],
[ { "expression": "(m2)/PERIOD(m2)", "label": "Data Write iops", "id": "e2", "stat": "SampleCount", "color": "#1f77b4" } ],
[ { "expression": "(m3)/PERIOD(m3)", "label": "Data Read iops", "id": "e3", "stat": "SampleCount", "color": "#ff7f0e" } ],
[ { "expression": "(m4)/PERIOD(m4)", "label": "Metadata iops", "id": "e4", "stat": "SampleCount", "color": "#d62728" } ],
[ "AWS/EFS", "TotalIOBytes", "FileSystemId", "${ElasticFileSystem}", { "id": "m1", "stat": "SampleCount", "period": 60, "visible": false } ],
[ ".", "DataWriteIOBytes", ".", ".", { "period": 60, "stat": "SampleCount", "id": "m2", "visible": false } ],
[ ".", "DataReadIOBytes", ".", ".", { "period": 60, "stat": "SampleCount", "id": "m3", "visible": false } ],
[ ".", "MetadataIOBytes", ".", ".", { "period": 60, "stat": "SampleCount", "id": "m4", "visible": false } ]
],
"region": "${AWS::Region}",
"period": 60,
"title": "Total IOPS"
}
},
{
"type": "metric",
"x": 15,
"y": 12,
"width": 9,
"height": 6,
"properties": {
"view": "timeSeries",
"metrics": [
[ { "expression": "m2*100/m1", "label": "Data Write (%)", "id": "e1", "color": "#1f77b4" } ],
[ { "expression": "m3*100/m1", "label": "Data Read (%)", "id": "e2", "color": "#ff7f0e" } ],
[ { "expression": "m4*100/m1", "label": "Metadata (%)", "id": "e3", "color": "#d62728" } ],
[ "AWS/EFS", "TotalIOBytes", "FileSystemId", "${ElasticFileSystem}", { "stat": "SampleCount", "period": 60, "id": "m1", "visible": false } ],
[ ".", "DataWriteIOBytes", ".", ".", { "stat": "SampleCount", "period": 60, "id": "m2", "visible": false } ],
[ ".", "DataReadIOBytes", ".", ".", { "stat": "SampleCount", "period": 60, "id": "m3", "visible": false } ],
[ ".", "MetadataIOBytes", ".", ".", { "stat": "SampleCount", "period": 60, "id": "m4", "visible": false } ]
],
"region": "${AWS::Region}",
"stacked": false,
"title": "Percent IOPS",
"period": 60
}
},
{
"type": "metric",
"x": 0,
"y": 12,
"width": 15,
"height": 6,
"properties": {
"view": "timeSeries",
"metrics": [
[ { "expression": "m2*100/m1", "label": "Data Write (%)", "id": "e1", "stat": "Sum", "color": "#1f77b4" } ],
[ { "expression": "m3*100/m1", "label": "Data Read (%)", "id": "e2", "stat": "Sum", "color": "#ff7f0e" } ],
[ { "expression": "m4*100/m1", "label": "Metadata (%)", "id": "e3", "stat": "Sum", "color": "#d62728" } ],
[ "AWS/EFS", "TotalIOBytes", "FileSystemId", "${ElasticFileSystem}", { "stat": "Sum", "period": 60, "id": "m1", "visible": false } ],
[ ".", "DataWriteIOBytes", ".", ".", { "stat": "Sum", "period": 60, "id": "m2", "visible": false } ],
[ ".", "DataReadIOBytes", ".", ".", { "stat": "Sum", "period": 60, "id": "m3", "visible": false } ],
[ ".", "MetadataIOBytes", ".", ".", { "stat": "Sum", "period": 60, "id": "m4", "visible": false } ]
],
"region": "${AWS::Region}",
"stacked": false,
"title": "Percent Throughput",
"period": 60
}
},
{
"type": "text",
"x": 15,
"y": 0,
"width": 9,
"height": 3,
"properties": {
"markdown": "\n# Amazon EFS file system: ${ElasticFileSystem}\n## Region: ${AWS::Region}\n"
}
},
{
"type": "metric",
"x": 0,
"y": 0,
"width": 15,
"height": 3,
"styles": "undefined",
"properties": {
"view": "singleValue",
"metrics": [
[ { "expression": "m2/1048576", "label": "Permitted Throughput (MiB/s)", "id": "e1" } ],
[ "Custom/EFS", "SizeInBytes", "FileSystemId", "${ElasticFileSystem}", { "label": "Metered Size (Bytes)", "id": "m1" } ],
[ "AWS/EFS", "PermittedThroughput", ".", ".", { "label": "Permitted Throughput", "id": "m2", "visible": false } ],
[ ".", "BurstCreditBalance", ".", ".", { "label": "BurstCreditBalance", "id": "m3" } ]
],
"region": "${AWS::Region}",
"period": 60,
"title": "File system metrics"
}
}
]
}
EfsSizeMonitorEventRetain:
Type: AWS::Events::Rule
Condition: Retain
DeletionPolicy: Retain
Properties:
Description: Scheduled event to update SizeInBytes EFS CloudWatch metric
Name: !Join [ '-', [ !Ref ElasticFileSystem, !Ref 'AWS::StackName' ] ]
ScheduleExpression: rate(1 minute)
State: ENABLED
Targets:
- Arn: !GetAtt EfsSizeMonitorFunctionRetain.Arn
Id: 1
EfsSizeMonitorEventDelete:
Type: AWS::Events::Rule
Condition: Delete
DeletionPolicy: Delete
Properties:
Description: Scheduled event to update SizeInBytes EFS CloudWatch metric
Name: !Join [ '-', [ !Ref ElasticFileSystem, !Ref 'AWS::StackName' ] ]
ScheduleExpression: rate(1 minute)
State: ENABLED
Targets:
- Arn: !GetAtt EfsSizeMonitorFunctionDelete.Arn
Id: 1
EfsLambdaPermissionRetain:
Type: AWS::Lambda::Permission
Condition: Retain
DeletionPolicy: Retain
Properties:
FunctionName: !Ref EfsSizeMonitorFunctionRetain
Action: lambda:InvokeFunction
Principal: events.amazonaws.com
SourceArn: !GetAtt EfsSizeMonitorEventRetain.Arn
EfsLambdaPermissionDelete:
Type: AWS::Lambda::Permission
Condition: Delete
DeletionPolicy: Delete
Properties:
FunctionName: !Ref EfsSizeMonitorFunctionDelete
Action: lambda:InvokeFunction
Principal: events.amazonaws.com
SourceArn: !GetAtt EfsSizeMonitorEventDelete.Arn
EfsSizeMonitorFunctionRetain:
Type: AWS::Lambda::Function
Condition: Retain
DeletionPolicy: Retain
Properties:
Code:
ZipFile: !Sub |
import boto3
import os
import sys
def handler(event, context):
if not os.environ.get('filesystemid'):
print "Unable to get the environment variable filesystemid"
sys.exit(1)
else:
filesystemid = os.environ.get('filesystemid')
if not os.environ.get('region'):
print "Unable to get the environment variable region"
sys.exit(1)
else:
region = os.environ.get('region')
def efs_get_size():
client = boto3.client('efs')
response = client.describe_file_systems(FileSystemId=filesystemid)
k = response['FileSystems'][0]['SizeInBytes']['Value']
return k
def cloudwatch_put_metric():
client = boto3.client('cloudwatch')
client.put_metric_data(
MetricData=[
{
'MetricName': 'SizeInBytes',
'Dimensions': [
{
'Name': 'FileSystemId',
'Value': filesystemid
},
],
'Unit': 'None',
'Value': efs_get_size()
},
],
Namespace='Custom/EFS'
)
print('CloudWatch metric SizeInBytes sucessfully updated.')
cloudwatch_put_metric()
Description: Lambda function to update the SizeInBytes EFS CloudWatch metric
Environment:
Variables:
filesystemid: !Ref ElasticFileSystem
region: !Ref 'AWS::Region'
Handler: index.handler
Role: !GetAtt LambdaRoleRetain.Arn
Runtime: python2.7
Timeout: 60
EfsSizeMonitorFunctionDelete:
Type: AWS::Lambda::Function
Condition: Delete
DeletionPolicy: Delete
Properties:
Code:
ZipFile: !Sub |
import boto3
import os
import sys
def handler(event, context):
if not os.environ.get('filesystemid'):
print "Unable to get the environment variable filesystemid"
sys.exit(1)
else:
filesystemid = os.environ.get('filesystemid')
if not os.environ.get('region'):
print "Unable to get the environment variable region"
sys.exit(1)
else:
region = os.environ.get('region')
def efs_get_size():
client = boto3.client('efs')
response = client.describe_file_systems(FileSystemId=filesystemid)
k = response['FileSystems'][0]['SizeInBytes']['Value']
return k
def cloudwatch_put_metric():
client = boto3.client('cloudwatch')
client.put_metric_data(
MetricData=[
{
'MetricName': 'SizeInBytes',
'Dimensions': [
{
'Name': 'FileSystemId',
'Value': filesystemid
},
],
'Unit': 'None',
'Value': efs_get_size()
},
],
Namespace='Custom/EFS'
)
print('CloudWatch metric SizeInBytes sucessfully updated.')
cloudwatch_put_metric()
Description: Lambda function to update the SizeInBytes EFS CloudWatch metric
Environment:
Variables:
filesystemid: !Ref ElasticFileSystem
region: !Ref 'AWS::Region'
Handler: index.handler
Role: !GetAtt LambdaRoleDelete.Arn
Runtime: python2.7
Timeout: 60
LambdaRoleRetain:
Type: AWS::IAM::Role
Condition: Retain
DeletionPolicy: Retain
Properties:
AssumeRolePolicyDocument:
Version: 2012-10-17
Statement:
- Effect: Allow
Principal:
Service:
- lambda.amazonaws.com
Action:
- sts:AssumeRole
Path: /
ManagedPolicyArns:
- arn:aws:iam::aws:policy/CloudWatchFullAccess
- arn:aws:iam::aws:policy/AmazonElasticFileSystemReadOnlyAccess
LambdaRoleDelete:
Type: AWS::IAM::Role
Condition: Delete
DeletionPolicy: Delete
Properties:
AssumeRolePolicyDocument:
Version: 2012-10-17
Statement:
- Effect: Allow
Principal:
Service:
- lambda.amazonaws.com
Action:
- sts:AssumeRole
Path: /
ManagedPolicyArns:
- arn:aws:iam::aws:policy/CloudWatchFullAccess
- arn:aws:iam::aws:policy/AmazonElasticFileSystemReadOnlyAccess