54 lines
1.4 KiB
Bash
54 lines
1.4 KiB
Bash
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#!/bin/bash
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# 获取所有可用的 region
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regions=$(aws ec2 describe-regions --query 'Regions[*].RegionName' --output text)
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# regions=ap-south-1
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for region in $regions; do
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echo "=== Processing region: $region ==="
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# 获取当前 region 的实例 ID 列表
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instance_ids=$(aws ec2 describe-instances \
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--region $region \
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--query 'Reservations[*].Instances[*].InstanceId' \
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--output text)
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for instance_id in $instance_ids; do
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echo "---- Instance: $instance_id ----"
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# 获取该实例的全部 EBS block device mapping
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devices=$(aws ec2 describe-instances \
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--region $region \
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--instance-ids $instance_id \
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--query 'Reservations[0].Instances[0].BlockDeviceMappings[*].DeviceName' \
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--output text)
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for device in $devices; do
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echo "Setting DeleteOnTermination=false for $instance_id ($device)"
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# 创建临时 JSON 文件
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tmpfile=$(mktemp)
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cat > $tmpfile <<EOF
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[
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{
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"DeviceName": "$device",
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"Ebs": {
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"DeleteOnTermination": false
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}
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}
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]
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EOF
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# 修改属性
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aws ec2 modify-instance-attribute \
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--region $region \
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--instance-id $instance_id \
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--block-device-mappings file://$tmpfile
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rm -f $tmpfile
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done
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done
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done
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echo "All instances processed."
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