forked from aws-samples/aws-refarch-wordpress
-
Notifications
You must be signed in to change notification settings - Fork 0
/
aws-refarch-wordpress-03-efsalarms.yaml
554 lines (538 loc) · 22.8 KB
/
aws-refarch-wordpress-03-efsalarms.yaml
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
---
AWSTemplateFormatVersion: 2010-09-09
Description: Reference Architecture to host WordPress on AWS - Creates EFS alarms
Metadata:
Authors:
Description: Darryl Osborne ([email protected])
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: Amazon EFS Parameters
Parameters:
- ElasticFileSystem
- WarningThreshold
- CriticalThreshold
- EmailAddress
- InstanceType
- EC2KeyName
- SecurityGroup
- NumberOfSubnets
- Subnet
ParameterLabels:
CriticalThreshold:
default: Burst Credit Balance Critical Threshold (Minutes)
ElasticFileSystem:
default: Amazon EFS File System
EmailAddress:
default: SNS Email Address
InstanceType:
default: Instance Type
EC2KeyName:
default: Existing Key Pair
NumberOfSubnets:
default: Number of subnets
SecurityGroup:
default: EFS Security Group
Subnet:
default: Subnets
WarningThreshold:
default: Burst Credit Balance Warning Threshold (Minutes)
Parameters:
CriticalThreshold:
AllowedPattern: ^[0-9]+$
ConstraintDescription: Must be an integer.
Default: 60
Description: Send critical alarm this minutes before burst credit balance is zero.
Type: String
SecurityGroup:
Description: Select the Amazon EFS security group.
Type: AWS::EC2::SecurityGroup::Id
ElasticFileSystem:
Description: The Amazon EFS file system id.
Type: String
EmailAddress:
Description: The email address for SNS notifications.
Type: String
InstanceType:
AllowedValues:
- t2.nano
- t2.micro
- t2.small
- t2.medium
- t2.large
- t2.xlarge
- t2.2xlarge
- m3.medium
- m3.large
- m3.xlarge
- m3.2xlarge
- m4.large
- m4.xlarge
- m4.2xlarge
- m4.4xlarge
- m4.10xlarge
- m4.16xlarge
- c3.large
- c3.xlarge
- c3.2xlarge
- c3.4xlarge
- c3.8xlarge
- c4.large
- c4.xlarge
- c4.2xlarge
- c4.4xlarge
- c4.8xlarge
- c5.large
- c5.xlarge
- c5.2xlarge
- c5.4xlarge
- c5.8xlarge
- r3.large
- r3.xlarge
- r3.2xlarge
- r3.4xlarge
- r3.8xlarge
- r4.large
- r4.xlarge
- r4.2xlarge
- r4.4xlarge
- r4.8xlarge
- r4.16xlarge
- i3.large
- i3.xlarge
- i3.2xlarge
- i3.4xlarge
- i3.8xlarge
- i3.16xlarge
- d2.xlarge
- d2.2xlarge
- d2.4xlarge
- d2.8xlarge
- p2.xlarge
- p2.8xlarage
- p2.16xlarge
- g3.4xlarge
- g3.8xlarge
- g3.16xlarge
- f1.2xlarge
- f1.16xlarge
- x1.16xlarge
- x1.32xlarge
ConstraintDescription: Must be a valid Amazon EC2 instance type.
Default: t2.nano
Description: The Amazon EC2 instance type that dynamically adjusts thresholds based on permitted throughput changes.
Type: String
EC2KeyName:
Description: Name of an existing EC2 key pair
Type: AWS::EC2::KeyPair::KeyName
NumberOfSubnets:
AllowedValues:
- 2
- 3
- 4
- 5
- 6
Default: 3
Description: Number of subnets. This must match your selections in the list of Subnets below.
Type: String
Subnet:
Description: Select existing subnets.
Type: List<AWS::EC2::Subnet::Id>
WarningThreshold:
AllowedPattern: ^[0-9]+$
ConstraintDescription: Must be an integer.
Default: 180
Description: Send warning alarm this many minutes before burst credit balance is zero.
Type: String
Conditions:
NumberOfSubnets1:
!Equals [ 1, !Ref NumberOfSubnets ]
NumberOfSubnets2:
!Equals [ 2, !Ref NumberOfSubnets ]
NumberOfSubnets3:
!Equals [ 3, !Ref NumberOfSubnets ]
NumberOfSubnets4:
!Equals [ 4, !Ref NumberOfSubnets ]
NumberOfSubnets5:
!Equals [ 5, !Ref NumberOfSubnets ]
NumberOfSubnets6:
!Equals [ 6, !Ref NumberOfSubnets ]
Subnet0: !Or
- !Condition NumberOfSubnets1
- !Condition NumberOfSubnets2
- !Condition NumberOfSubnets3
- !Condition NumberOfSubnets4
- !Condition NumberOfSubnets5
- !Condition NumberOfSubnets6
Subnet1: !Or
- !Condition NumberOfSubnets2
- !Condition NumberOfSubnets3
- !Condition NumberOfSubnets4
- !Condition NumberOfSubnets5
- !Condition NumberOfSubnets6
Subnet2: !Or
- !Condition NumberOfSubnets3
- !Condition NumberOfSubnets4
- !Condition NumberOfSubnets5
- !Condition NumberOfSubnets6
Subnet3: !Or
- !Condition NumberOfSubnets4
- !Condition NumberOfSubnets5
- !Condition NumberOfSubnets6
Subnet4: !Or
- !Condition NumberOfSubnets5
- !Condition NumberOfSubnets6
Subnet5: !Condition NumberOfSubnets6
Mappings:
RegionMap:
ap-northeast-1:
AMI: ami-2a69be4c
ap-northeast-2:
AMI: ami-9bec36f5
ap-south-1:
AMI: ami-4fc58420
ap-southeast-1:
AMI: ami-0797ea64
ap-southeast-2:
AMI: ami-8536d6e7
ca-central-1:
AMI: ami-fd55ec99
eu-central-1:
AMI: ami-c7ee5ca8
eu-west-1:
AMI: ami-acd005d5
eu-west-2:
AMI: ami-1a7f6d7e
sa-east-1:
AMI: ami-f1344b9d
us-east-1:
AMI: ami-8c1be5f6
us-east-2:
AMI: ami-c5062ba0
us-west-1:
AMI: ami-02eada62
us-west-2:
AMI: ami-e689729e
Resources:
AutoScalingGroup:
Type: AWS::AutoScaling::AutoScalingGroup
Properties:
Cooldown: 60
HealthCheckGracePeriod: 120
HealthCheckType: EC2
LaunchConfigurationName: !Ref LaunchConfiguration
MaxSize: 1
MinSize: 0
DesiredCapacity: 1
Tags:
- Key: Name
Value: !Join [ '', [ 'Updating ', !Ref 'ElasticFileSystem', ' burst credit balance Cloudwatch alarms.. will auto terminate' ] ]
PropagateAtLaunch: true
VPCZoneIdentifier:
!If
[ NumberOfSubnets1,
[ !Select [ 0, !Ref Subnet ] ],
!If
[ NumberOfSubnets2,
[ !Select [ 0, !Ref Subnet ], !Select [ 1, !Ref Subnet ] ],
!If
[ NumberOfSubnets3,
[ !Select [ 0, !Ref Subnet ], !Select [ 1, !Ref Subnet ], !Select [ 2, !Ref Subnet ] ],
!If
[ NumberOfSubnets4,
[ !Select [ 0, !Ref Subnet ], !Select [ 1, !Ref Subnet ], !Select [ 2, !Ref Subnet ], !Select [ 3, !Ref Subnet ] ],
!If
[ NumberOfSubnets5,
[ !Select [ 0, !Ref Subnet ], !Select [ 1, !Ref Subnet ], !Select [ 2, !Ref Subnet ], !Select [ 3, !Ref Subnet ], !Select [ 4, !Ref Subnet ] ],
[ !Select [ 0, !Ref Subnet ], !Select [ 1, !Ref Subnet ], !Select [ 2, !Ref Subnet ], !Select [ 3, !Ref Subnet ], !Select [ 4, !Ref Subnet ], !Select [ 5, !Ref Subnet ] ]
]
]
]
]
]
CreationPolicy:
ResourceSignal:
Count: 0
Timeout: PT5M
AutoScalingPolicy:
Type: AWS::AutoScaling::ScalingPolicy
Properties:
AdjustmentType: ChangeInCapacity
AutoScalingGroupName: !Ref AutoScalingGroup
Cooldown: 60
PolicyType: SimpleScaling
ScalingAdjustment: 1
BurstCreditBalanceDecreaseAlarm:
Type: AWS::CloudWatch::Alarm
Properties:
AlarmActions:
- !Ref SNSTopic
- !Ref AutoScalingPolicy
AlarmDescription: !Join [ '', [ 'Set ', !Ref ElasticFileSystem, ' burst credit balance decrease threshold - ', !Ref 'AWS::StackName' ] ]
AlarmName: !Join [ '', [ 'Set ', !Ref ElasticFileSystem, ' burst credit balance decrease threshold - ', !Ref 'AWS::StackName' ] ]
ComparisonOperator: LessThanThreshold
Dimensions:
- Name: FileSystemId
Value: !Ref ElasticFileSystem
EvaluationPeriods: 10
MetricName: PermittedThroughput
Namespace: AWS/EFS
Period: 60
Statistic: Sum
Threshold: 0
TreatMissingData: missing
BurstCreditBalanceIncreaseAlarm:
Type: AWS::CloudWatch::Alarm
DependsOn: BurstCreditBalanceDecreaseAlarm
Properties:
AlarmActions:
- !Ref SNSTopic
- !Ref AutoScalingPolicy
AlarmDescription: !Join [ '', [ 'Set ', !Ref ElasticFileSystem, ' burst credit balance increase threshold - ', !Ref 'AWS::StackName' ] ]
AlarmName: !Join [ '', [ 'Set ', !Ref ElasticFileSystem, ' burst credit balance increase threshold - ', !Ref 'AWS::StackName' ] ]
ComparisonOperator: LessThanThreshold
Dimensions:
- Name: FileSystemId
Value: !Ref ElasticFileSystem
EvaluationPeriods: 10
MetricName: PermittedThroughput
Namespace: AWS/EFS
Period: 60
Statistic: Sum
Threshold: 0
TreatMissingData: missing
CriticalAlarm:
Type: AWS::CloudWatch::Alarm
Properties:
AlarmActions:
- !Ref SNSTopic
AlarmDescription: !Join [ '', [ !Ref ElasticFileSystem, ' burst credit balance - Critical - ', !Ref 'AWS::StackName' ] ]
AlarmName: !Join [ '', [ !Ref ElasticFileSystem, ' burst credit balance - Critical - ', !Ref 'AWS::StackName' ] ]
ComparisonOperator: LessThanThreshold
Dimensions:
- Name: FileSystemId
Value: !Ref ElasticFileSystem
EvaluationPeriods: 10
MetricName: BurstCreditBalance
Namespace: AWS/EFS
Period: 60
Statistic: Sum
Threshold: 0
TreatMissingData: missing
InstanceProfile:
Type: AWS::IAM::InstanceProfile
Properties:
Path: /
Roles:
- !Ref InstanceRole
InstanceRole:
Type: AWS::IAM::Role
Properties:
AssumeRolePolicyDocument:
Version: 2012-10-17
Statement:
- Effect: Allow
Principal:
Service:
- ec2.amazonaws.com
Action:
- sts:AssumeRole
Path: /
Policies:
- PolicyName: efs-burst-credit-balance-cloudwatch-alarms
PolicyDocument:
Version: 2012-10-17
Statement:
- Effect: Allow
Action:
- cloudwatch:GetMetricStatistics
- cloudwatch:PutMetricAlarm
- autoscaling:DescribeAutoScalingGroups
- autoscaling:DescribeAutoScalingInstances
- autoscaling:DescribePolicies
- autoscaling:UpdateAutoScalingGroup
- elasticfilesystem:DescribeFileSystems
Resource: '*'
- Effect: Allow
Action:
- sns:Publish
Resource: !Ref SNSTopic
LaunchConfiguration:
Type: AWS::AutoScaling::LaunchConfiguration
DependsOn: WarningAlarm
Metadata:
AWS::CloudFormation::Init:
configSets:
set_cloudwatch_alarms:
- set-cloudwatch-alarms
set-cloudwatch-alarms:
files:
/tmp/set-cloudwatch-alarms.sh:
content:
!Join [
"",[
"#!/bin/bash -x\n",
"\n",
"FILE_SYSTEM_ID=$1\n",
"WARNING_THRESHOLD_MINUTES=$2\n",
"CRITICAL_THRESHOLD_MINUTES=$3\n",
"SNS_ARN=$4\n",
"\n",
"error=0\n",
"\n",
"# get region\n",
"availability_zone=$(curl -s http://169.254.169.254/latest/meta-data/placement/availability-zone)\n",
"region=${availability_zone:0:-1}\n",
"\n",
"# get instance id\n",
"instance_id=$(curl -s http://169.254.169.254/latest/meta-data/instance-id)\n",
"\n",
"# get autoscaling group name\n",
"asg_name=$(aws autoscaling describe-auto-scaling-instances --instance-ids ${instance_id} --region ${region} --output text --query 'AutoScalingInstances[0].AutoScalingGroupName')\n",
"\n",
"# get autoscaling policy arn\n",
"asg_policy_arn=$(aws autoscaling describe-policies --auto-scaling-group-name ${asg_name} --region ${region} --output text --query 'ScalingPolicies[0].PolicyARN')\n",
"\n",
"# validate FILE_SYSTEM_ID send notification and exit if doesn't exist\n",
"aws efs describe-file-systems --file-system-id ${FILE_SYSTEM_ID} --region ${region} --output text --query 'FileSystems[0].[FileSystemId]'\n",
"result=$?\n",
"if [ $result -ne 0 ]; then\n",
" aws sns publish --topic-arn ${SNS_ARN} --region ${region} --message 'Amazon EFS burst credit balance CloudWatch alarm error. File system '${FILE_SYSTEM_ID}' does not exist.'\n",
" exit\n",
"fi\n",
"\n",
"# get current permitted throughput\n",
"count=1\n",
"while [ -z ${permitted_throughput} ] || [ ${permitted_throughput} == null ] && [ ${count} -lt 60 ]; do\n",
" permitted_throughput=$(aws cloudwatch get-metric-statistics --namespace AWS/EFS --metric-name PermittedThroughput --dimensions Name=FileSystemId,Value=${FILE_SYSTEM_ID} --start-time $(date --utc +%FT%TZ -d '-120 seconds') --end-time $(date --utc +%FT%TZ -d '-60 seconds') --period 60 --statistics Sum --region ${region} --output json --query 'Datapoints[0].Sum')\n",
" sleep 2\n",
" count=$(expr ${count} + 1)\n",
"done\n",
"\n",
"# get current burst credit balance\n",
"count=1\n",
"while [ -z ${burst_credit_balance} ] || [ ${burst_credit_balance} == null ] && [ ${count} -lt 60 ]; do\n",
" burst_credit_balance=$(aws cloudwatch get-metric-statistics --namespace AWS/EFS --metric-name BurstCreditBalance --dimensions Name=FileSystemId,Value=${FILE_SYSTEM_ID} --start-time $(date --utc +%FT%TZ -d '-120 seconds') --end-time $(date --utc +%FT%TZ -d '-60 seconds') --period 60 --statistics Sum --region ${region} --output json --query 'Datapoints[0].Sum')\n",
" sleep 2\n",
" count=$(expr ${count} + 1)\n",
"done\n",
"\n",
"# calculate new burst credit balance warning threshold\n",
"burst_credit_balance_threshold_warning=$(( ${burst_credit_balance:0:-2} - ( ( ( ${burst_credit_balance:0:-2} / ( ${permitted_throughput:0:-2} * 60 ) ) - $WARNING_THRESHOLD_MINUTES ) * ( ${permitted_throughput:0:-2} * 60 ) ) ))\n",
"\n",
"# calculate new burst credit balance critical threshold\n",
"burst_credit_balance_threshold_critical=$(( ${burst_credit_balance:0:-2} - ( ( ( ${burst_credit_balance:0:-2} / ( ${permitted_throughput:0:-2} * 60 ) ) - $CRITICAL_THRESHOLD_MINUTES ) * ( ${permitted_throughput:0:-2} * 60 ) ) ))\n",
"\n",
"# update warning alarm with new burst credit balance warning threshold\n",
"aws cloudwatch put-metric-alarm --alarm-name ''${FILE_SYSTEM_ID}' burst credit balance - Warning - '", !Ref 'AWS::StackName', " --alarm-description ''${FILE_SYSTEM_ID}' burst credit balance - Warning - '", !Ref 'AWS::StackName', " --actions-enabled --alarm-actions ${SNS_ARN} --metric-name BurstCreditBalance --namespace AWS/EFS --statistic Sum --dimensions Name=FileSystemId,Value=${FILE_SYSTEM_ID} --period 60 --evaluation-periods 5 --threshold ${burst_credit_balance_threshold_warning} --comparison-operator LessThanThreshold --treat-missing-data missing --region ${region}\n",
"result=$?\n",
"if [ $result -ne 0 ]; then\n",
" aws sns publish --topic-arn ${SNS_ARN} --region ${region} --message 'Amazon EFS burst credit balance CloudWatch alarm error. Check CloudWatch alarms for file system '${FILE_SYSTEM_ID}'.'\n",
" error=$(expr ${error} + 1)\n",
"fi\n",
"\n",
"# update critical alarm with new burst credit balance critical threshold\n",
"aws cloudwatch put-metric-alarm --alarm-name ''${FILE_SYSTEM_ID}' burst credit balance - Critical - '", !Ref 'AWS::StackName', " --alarm-description ''${FILE_SYSTEM_ID}' burst credit balance - Critical - '", !Ref 'AWS::StackName', " --actions-enabled --alarm-actions ${SNS_ARN} --metric-name BurstCreditBalance --namespace AWS/EFS --statistic Sum --dimensions Name=FileSystemId,Value=${FILE_SYSTEM_ID} --period 60 --evaluation-periods 5 --threshold ${burst_credit_balance_threshold_critical} --comparison-operator LessThanThreshold --treat-missing-data missing --region ${region}\n",
"result=$?\n",
"if [ $result -ne 0 ]; then\n",
" aws sns publish --topic-arn ${SNS_ARN} --region ${region} --message 'Amazon EFS burst credit balance CloudWatch alarm error. Check CloudWatch alarms for file system '${FILE_SYSTEM_ID}'.'\n",
" error=$(expr ${error} + 1)\n",
"fi\n",
"\n",
"# update burst credit balance increase threshold based\n",
"aws cloudwatch put-metric-alarm --alarm-name 'Set '${FILE_SYSTEM_ID}' burst credit balance increase threshold - '", !Ref 'AWS::StackName', " --alarm-description 'Set '${FILE_SYSTEM_ID}' burst credit balance increase threshold - '", !Ref 'AWS::StackName', " --actions-enabled --alarm-actions ${SNS_ARN} ${asg_policy_arn} --metric-name PermittedThroughput --namespace AWS/EFS --statistic Sum --dimensions Name=FileSystemId,Value=${FILE_SYSTEM_ID} --period 60 --evaluation-periods 5 --threshold ${permitted_throughput:0:-2} --comparison-operator GreaterThanThreshold --treat-missing-data missing --region ${region}\n",
"result=$?\n",
"if [ $result -ne 0 ]; then\n",
" aws sns publish --topic-arn ${SNS_ARN} --region ${region} --message 'Amazon EFS burst credit balance CloudWatch alarm error. Check CloudWatch alarms for file system '${FILE_SYSTEM_ID}'.'\n",
" error=$(expr ${error} + 1)\n",
"fi\n",
"\n",
"# update burst credit balance decrease threshold based\n",
"aws cloudwatch put-metric-alarm --alarm-name 'Set '${FILE_SYSTEM_ID}' burst credit balance decrease threshold - '", !Ref 'AWS::StackName', " --alarm-description 'Set '${FILE_SYSTEM_ID}' burst credit balance decrease threshold - '", !Ref 'AWS::StackName', " --actions-enabled --alarm-actions ${SNS_ARN} ${asg_policy_arn} --metric-name PermittedThroughput --namespace AWS/EFS --statistic Sum --dimensions Name=FileSystemId,Value=${FILE_SYSTEM_ID} --period 60 --evaluation-periods 5 --threshold ${permitted_throughput:0:-2} --comparison-operator LessThanThreshold --treat-missing-data missing --region ${region}\n",
"result=$?\n",
"if [ $result -ne 0 ]; then\n",
" aws sns publish --topic-arn ${SNS_ARN} --region ${region} --message 'Amazon EFS burst credit balance CloudWatch alarm error. Check CloudWatch alarms for file system '${FILE_SYSTEM_ID}'.'\n",
" error=$(expr ${error} + 1)\n",
"fi\n",
"\n",
"# auto terminate instance - setting auto scaling group desired capacity 0\n",
"if [ $error -eq 0 ]; then\n",
" aws autoscaling update-auto-scaling-group --auto-scaling-group-name ${asg_name} --desired-capacity 0 --region ${region}\n",
" else\n",
" aws sns publish --topic-arn ${SNS_ARN} --region ${region} --message 'Amazon EFS burst credit balance CloudWatch alarm error. Check CloudWatch alarms for file system '${FILE_SYSTEM_ID}'.'\n",
"fi\n",
"\n"
]
]
mode: 000777
owner: root
group: root
Properties:
BlockDeviceMappings:
- DeviceName: /dev/xvda
Ebs:
DeleteOnTermination: true
VolumeSize: 10
VolumeType: gp2
IamInstanceProfile: !Ref InstanceProfile
ImageId: !FindInMap [ RegionMap, !Ref 'AWS::Region', AMI ]
InstanceMonitoring: true
InstanceType: !Ref InstanceType
KeyName: !Ref EC2KeyName
SecurityGroups:
- !Ref SecurityGroup
UserData:
"Fn::Base64":
!Sub |
#cloud-config
repo_update: true
repo_upgrade: all
packages:
runcmd:
- ntpstat
- /opt/aws/bin/cfn-init --configsets set_cloudwatch_alarms --verbose --stack ${AWS::StackName} --resource LaunchConfiguration --region ${AWS::Region}
- /tmp/set-cloudwatch-alarms.sh ${ElasticFileSystem} ${WarningThreshold} ${CriticalThreshold} ${SNSTopic}
SNSTopic:
Type: AWS::SNS::Topic
Properties:
DisplayName: !Join [ '', [ !Ref ElasticFileSystem, '-alarm-notification' ] ]
Subscription:
- Endpoint: !Ref EmailAddress
Protocol: "email"
TopicName: !Join [ '', [ !Ref ElasticFileSystem, '-alarm-notification' ] ]
WarningAlarm:
Type: AWS::CloudWatch::Alarm
DependsOn: CriticalAlarm
Properties:
AlarmActions:
- !Ref SNSTopic
AlarmDescription: !Join [ '', [ !Ref ElasticFileSystem, ' burst credit balance - Warning - ', !Ref 'AWS::StackName' ] ]
AlarmName: !Join [ '', [ !Ref ElasticFileSystem, ' burst credit balance - Warning - ', !Ref 'AWS::StackName' ] ]
ComparisonOperator: LessThanThreshold
Dimensions:
- Name: FileSystemId
Value: !Ref ElasticFileSystem
EvaluationPeriods: 10
MetricName: BurstCreditBalance
Namespace: AWS/EFS
Period: 60
Statistic: Sum
Threshold: 0
TreatMissingData: missing
Outputs:
BurstCreditBalanceDecreaseAlarmArn:
Value: !GetAtt BurstCreditBalanceDecreaseAlarm.Arn
BurstCreditBalanceIncreaseAlarmArn:
Value: !GetAtt BurstCreditBalanceIncreaseAlarm.Arn
CriticalAlarmArn:
Value: !GetAtt CriticalAlarm.Arn
WarningAlarmArn:
Value: !GetAtt WarningAlarm.Arn