create_cloudwatch_metric_filters.sh

#!/bin/bash

set -ex

GROUP_NAME=$1
NAMESPACE=$2

# Critical
aws logs put-metric-filter \
  --log-group-name ${GROUP_NAME} \
  --filter-name level-critical \
  --filter-pattern "{$.level = critical}" \
  --metric-transformations metricName=critical,metricNamespace=${NAMESPACE},metricValue=1

# Error
aws logs put-metric-filter \
  --log-group-name ${GROUP_NAME} \
  --filter-name level-error \
  --filter-pattern "{$.level = error}" \
  --metric-transformations metricName=error,metricNamespace=${NAMESPACE},metricValue=1

# Warning
aws logs put-metric-filter \
  --log-group-name ${GROUP_NAME} \
  --filter-name level-warning \
  --filter-pattern "{$.level = warn}" \
  --metric-transformations metricName=warning,metricNamespace=${NAMESPACE},metricValue=1

# Info
aws logs put-metric-filter \
  --log-group-name ${GROUP_NAME} \
  --filter-name level-info \
  --filter-pattern "{$.level = info}" \
  --metric-transformations metricName=info,metricNamespace=${NAMESPACE},metricValue=1

# Verbose
aws logs put-metric-filter \
  --log-group-name ${GROUP_NAME} \
  --filter-name level-verbose \
  --filter-pattern "{$.level = verbose}" \
  --metric-transformations metricName=verbose,metricNamespace=${NAMESPACE},metricValue=1

# Debug
aws logs put-metric-filter \
  --log-group-name ${GROUP_NAME} \
  --filter-name level-debug \
  --filter-pattern "{$.level = debug}" \
  --metric-transformations metricName=debug,metricNamespace=${NAMESPACE},metricValue=1