xdr-terraform-modules/base/account_standards/bin/get_current_dlm_policies

#! /bin/bash
# Gets the current dlm policies, if any.
#
# WARNING: THIS IS RUN DURRING A 'PLAN' STEP. Do not make changes. Read-only in this script.

# TODO: Pass these in
PROFILE=mdr-test-c2-gov
REGION=us-gov-east-1
ACCOUNT=738800754746

POLICIES=$(aws --profile ${PROFILE} --region ${REGION} dlm get-lifecycle-policies)

# Extracts the policy IDs of IMAGE_MANAGEMENT policye
POLICY_IDS=$(echo $POLICIES | jq -r '[.Policies[] | select(.PolicyType=="IMAGE_MANAGEMENT") | select(.Tags.SnapshotPolicy=="Daily")] | first | .PolicyId')

# jq ensures a safe json output
# Will return 'null' if no matching policy
jq -n --arg policy $POLICY_IDS '{ "PolicyId": $policy }'