check_aws_events.sh

#!/bin/bash
#
# Action
#   checks AWS events and show lists of events.
#
# Precondition
#   - Install aws cli
#   - aws configured and create .aws/config.
#   - Install jq
#
# Authored by @kenzo0107

set -eu

readonly AWS_CONFIG=~/.aws/config

function get_aws_events_by_profile() {
  local _profile=$1
  local _ret
  local _ret_ec2
  local _ret_rds
  _ret_ec2=$(aws --profile $_profile ec2 describe-instance-status --query "InstanceStatuses[?Events!=null]" | 
         jq -r '.[] | 
         [
           .InstanceId, 
           .AvailabilityZone, 
           .Events[].Code, 
           .Events[].Description, 
           .Events[].NotBefore, 
           .Events[].NotAfter
         ] | @csv')

  _ret_rds=$(aws --profile $_profile rds describe-pending-maintenance-actions | jq -r '.PendingMaintenanceActions[]|[.ResourceIdentifier, .PendingMaintenanceActionDetails[].Action, .PendingMaintenanceActionDetails[].Description]|@csv')

  if [ -z "$_ret_ec2" -a -z "$_ret_rds" ]; then
    return
  fi

  if echo "$_ret_ec2" | grep -v 'Completed' >/dev/null; then
    _ret_ec2=$(echo "$_ret_ec2" | grep -v 'Completed')
    _ret="$_ret_ec2"
  fi

  if echo "$_ret_rds" | grep -v 'Completed' >/dev/null; then
    _ret_rds=$(echo "$_ret_rds" | grep -v 'Completed')
    _ret="${_ret}${_ret_rds}"
  fi

  if [ -z "$_ret" ]; then
    return
  fi

  echo "$_ret"
}

profiles=$(grep 'profile' $AWS_CONFIG | sed -e "s/\[profile \(.*\)\]/\1/g")
for a in ${profiles[@]}; do
  echo ">>> profile:$a"
  get_aws_events_by_profile $a
done