SubTemplates/IoT/Lambdas/cert_rotation_hook/app.py [43:61]:
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def deactivate_cert(thing_id):

  #Get all the certificates for a thing
  principals = client.list_thing_principals(
    thingName=thing_id
  )
 
  #Describe each certificate
  for arn in principals['principals']:
    cert_id = strip_arn(arn)
    cert = client.describe_certificate(
      certificateId=cert_id
    )
    
    #strip timezone awareness for date compare
    cert_date = cert['certificateDescription']['creationDate'].replace(tzinfo=None)
  
    #Deactivate old certificates
    if cert_date < datetime.now() - timedelta(minutes=5):
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SubTemplates/IoT/Lambdas/cert_rotation_monitor/app.py [49:67]:
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def deactivate_cert(thing_id):

  #Get all the certificates for a thing
  principals = client.list_thing_principals(
    thingName=thing_id
  )
 
  #Describe each certificate
  for arn in principals['principals']:
    cert_id = strip_arn(arn)
    cert = client.describe_certificate(
      certificateId=cert_id
    )
    
    #strip timezone awareness for date compare
    cert_date = cert['certificateDescription']['creationDate'].replace(tzinfo=None)
  
    #Deactivate old certificates
    if cert_date < datetime.now() - timedelta(minutes=5):
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