How to pass tags of existing resources to cloud watch alarm in CFT in AWS?












2















I am trying to add a CloudWatch alarm over multiple instances in my AWS account based on the instance tags.



For example, I have 4 instances running with tags Name=DEV, APP=WebServer.



I am new to AWS CloudFormation templates, so I am not sure how to add the tags in the CloudWatch alarm's dimensions property. Can I attach a single alarm to multiple instances by referring to them by tags when I create the instances?



Here's a snippet from my template.



CPUAlarm:
Type: AWS::CloudWatch::Alarm
Properties:
AlarmDescription: CPUtilization
AlarmActions: "SNS TOPIC ARN"
MetricName: CPUUtilization
Namespace: AWS/EC2
Statistic: Average
Period: '60'
EvaluationPeriods: '2'
Threshold: '80'
ComparisonOperator: GreaterThanThreshold
Dimensions:









share|improve this question





























    2















    I am trying to add a CloudWatch alarm over multiple instances in my AWS account based on the instance tags.



    For example, I have 4 instances running with tags Name=DEV, APP=WebServer.



    I am new to AWS CloudFormation templates, so I am not sure how to add the tags in the CloudWatch alarm's dimensions property. Can I attach a single alarm to multiple instances by referring to them by tags when I create the instances?



    Here's a snippet from my template.



    CPUAlarm:
    Type: AWS::CloudWatch::Alarm
    Properties:
    AlarmDescription: CPUtilization
    AlarmActions: "SNS TOPIC ARN"
    MetricName: CPUUtilization
    Namespace: AWS/EC2
    Statistic: Average
    Period: '60'
    EvaluationPeriods: '2'
    Threshold: '80'
    ComparisonOperator: GreaterThanThreshold
    Dimensions:









    share|improve this question



























      2












      2








      2








      I am trying to add a CloudWatch alarm over multiple instances in my AWS account based on the instance tags.



      For example, I have 4 instances running with tags Name=DEV, APP=WebServer.



      I am new to AWS CloudFormation templates, so I am not sure how to add the tags in the CloudWatch alarm's dimensions property. Can I attach a single alarm to multiple instances by referring to them by tags when I create the instances?



      Here's a snippet from my template.



      CPUAlarm:
      Type: AWS::CloudWatch::Alarm
      Properties:
      AlarmDescription: CPUtilization
      AlarmActions: "SNS TOPIC ARN"
      MetricName: CPUUtilization
      Namespace: AWS/EC2
      Statistic: Average
      Period: '60'
      EvaluationPeriods: '2'
      Threshold: '80'
      ComparisonOperator: GreaterThanThreshold
      Dimensions:









      share|improve this question
















      I am trying to add a CloudWatch alarm over multiple instances in my AWS account based on the instance tags.



      For example, I have 4 instances running with tags Name=DEV, APP=WebServer.



      I am new to AWS CloudFormation templates, so I am not sure how to add the tags in the CloudWatch alarm's dimensions property. Can I attach a single alarm to multiple instances by referring to them by tags when I create the instances?



      Here's a snippet from my template.



      CPUAlarm:
      Type: AWS::CloudWatch::Alarm
      Properties:
      AlarmDescription: CPUtilization
      AlarmActions: "SNS TOPIC ARN"
      MetricName: CPUUtilization
      Namespace: AWS/EC2
      Statistic: Average
      Period: '60'
      EvaluationPeriods: '2'
      Threshold: '80'
      ComparisonOperator: GreaterThanThreshold
      Dimensions:






      amazon-web-services amazon-cloudformation amazon-cloudwatch






      share|improve this question















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      edited Nov 15 '18 at 2:54









      Nicholas Sizer

      2,82132026




      2,82132026










      asked Nov 15 '18 at 0:41









      BharatBharat

      154




      154
























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          If you are creating the instances via CFN template, you can parameterize the tags and use the same parameters in your cloudwatch alarm resource






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            If you are creating the instances via CFN template, you can parameterize the tags and use the same parameters in your cloudwatch alarm resource






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              If you are creating the instances via CFN template, you can parameterize the tags and use the same parameters in your cloudwatch alarm resource






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                If you are creating the instances via CFN template, you can parameterize the tags and use the same parameters in your cloudwatch alarm resource






                share|improve this answer













                If you are creating the instances via CFN template, you can parameterize the tags and use the same parameters in your cloudwatch alarm resource







                share|improve this answer












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                answered Nov 20 '18 at 17:47









                Sushant SonkerSushant Sonker

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