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takakabe/update_iam_policy.sh

Created October 12, 2021 13:36
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update_iam_policy.sh
#!/bin/bash
policy_arn='arn:aws:iam::account:policy/policy-name-with-path'
policy_file='iam_policy.json'
default_version_id=`aws iam get-policy --policy-arn ${policy_arn} | jq -r .Policy.DefaultVersionId`
policy_version_result=`aws iam list-policy-versions --policy-arn ${policy_arn}`
version_counts=`echo ${policy_version_result} | jq '.Versions | length'`
if [ ${version_counts} -eq 5 ]; then
aws iam delete-policy-version --policy-arn ${policy_arn} --version-id $(echo ${policy_version_result} \
| jq -r '.Versions[-1].VersionId')
fi
aws iam create-policy-version --policy-arn ${policy_arn} --policy-document file://${policy_file} --set-as-default
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