pconcurrency.sh

# Setup

aws application-autoscaling \
  register-scalable-target \
  --service-namespace "lambda" \
  --resource-id "function:myapp:live" \
  --min-capacity 5 \
  --max-capacity 100 \
  --scalable-dimension "lambda:function:ProvisionedConcurrency"

aws application-autoscaling \
  put-scaling-policy \
  --service-namespace "lambda" \
  --scalable-dimension "lambda:function:ProvisionedConcurrency" \
  --resource-id "function:myapp:live" \
  --policy-name "myapp-autoscaling-policy" \
  --policy-type "TargetTrackingScaling" \
  --target-tracking-scaling-policy-configuration '{
    "TargetValue": 0.9,
    "PredefinedMetricSpecification": {
      "PredefinedMetricType": "LambdaProvisionedConcurrencyUtilization"
    }
  }'

# Teardown

aws application-autoscaling \
  delete-scaling-policy \
  --policy-name "myapp-autoscaling-policy" \
  --service-namespace "lambda" \
  --resource-id "function:myapp:live" \
  --scalable-dimension "lambda:function:ProvisionedConcurrency"

aws application-autoscaling \
  deregister-scalable-target \
  --service-namespace "lambda" \
  --resource-id "function:myapp:live" \
  --scalable-dimension "lambda:function:ProvisionedConcurrency"