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adenot/assume-role.sh

Created September 18, 2025 23:34
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usage: source assume-role.sh <arn>
Raw
assume-role.sh
#!/bin/bash
# Usage: source assume-role.sh <role-arn> <session-name>
ROLE_ARN=${1:?Role ARN required}
SESSION_NAME=${2:-"AssumeRoleSession"}
CREDS=$(aws sts assume-role \
--role-arn "$ROLE_ARN" \
--role-session-name "$SESSION_NAME" \
--query 'Credentials.[AccessKeyId,SecretAccessKey,SessionToken]' \
--output text)
export AWS_ACCESS_KEY_ID=$(echo $CREDS | awk '{print $1}')
export AWS_SECRET_ACCESS_KEY=$(echo $CREDS | awk '{print $2}')
export AWS_SESSION_TOKEN=$(echo $CREDS | awk '{print $3}')
echo "✓ Assumed role: $ROLE_ARN"
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