AWS lambda - Read CloudWatch Stats from account-a and write to account-b











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I have a code which currently runs on a VM that every minute reads a bunch of stats from several ALBs across multiple regions and write them to a client's CloudWatch ("putMetricData"), which I'd like to migrate to a lambda function.



Obviously, I read from account-a under particular set of permissions and writes to the other under another one.



The way the switch is performed today is by running 



aws sts assume-role ...


And setting export AWS_* (4 variables) before calling:



aws cloudwatch put-metric-data...


I wonder how can such a "switch" can be implemented using lambda.






aws-lambda amazon-cloudwatch







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    up vote
    0
    down vote

    favorite












    I have a code which currently runs on a VM that every minute reads a bunch of stats from several ALBs across multiple regions and write them to a client's CloudWatch ("putMetricData"), which I'd like to migrate to a lambda function.



    Obviously, I read from account-a under particular set of permissions and writes to the other under another one.



    The way the switch is performed today is by running 



    aws sts assume-role ...


    And setting export AWS_* (4 variables) before calling:



    aws cloudwatch put-metric-data...


    I wonder how can such a "switch" can be implemented using lambda.






    aws-lambda amazon-cloudwatch







    share|improve this question
























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      I have a code which currently runs on a VM that every minute reads a bunch of stats from several ALBs across multiple regions and write them to a client's CloudWatch ("putMetricData"), which I'd like to migrate to a lambda function.



      Obviously, I read from account-a under particular set of permissions and writes to the other under another one.



      The way the switch is performed today is by running 



      aws sts assume-role ...


      And setting export AWS_* (4 variables) before calling:



      aws cloudwatch put-metric-data...


      I wonder how can such a "switch" can be implemented using lambda.






      aws-lambda amazon-cloudwatch







      share|improve this question













      I have a code which currently runs on a VM that every minute reads a bunch of stats from several ALBs across multiple regions and write them to a client's CloudWatch ("putMetricData"), which I'd like to migrate to a lambda function.



      Obviously, I read from account-a under particular set of permissions and writes to the other under another one.



      The way the switch is performed today is by running 



      aws sts assume-role ...


      And setting export AWS_* (4 variables) before calling:



      aws cloudwatch put-metric-data...


      I wonder how can such a "switch" can be implemented using lambda.






      aws-lambda amazon-cloudwatch




      aws-lambda amazon-cloudwatch






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Nov 11 at 8:49









      Tzury Bar Yochay

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