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スタックの有無で待つ状態を切り替える

Last updated at 2020-07-28Posted at 2020-07-28

スタックの有無で wait するコマンドを切り替える。

#!/bin/bash
set -eu

STACK_NAME="foobar"
IS_UPDATE=0

set +e
aws cloudformation describe-stacks --stack-name ${STACK_NAME}  > /dev/null 2>&1
if [ $? -eq 0 ]; then
  IS_UPDATE=1
fi
set -e

aws cloudformation deploy --stack-name ${STACK_NAME} --template-file /path/to/template.yml                                                                                                                                                                          

if [ $IS_UPDATE -eq 1 ]; then
  aws cloudformation wait stack-update-complete --stack-name ${STACK_NAME}
else
  aws cloudformation wait stack-create-complete --stack-name ${STACK_NAME}
fi

echo waited

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