文档 AWS SDK 示例 GitHub 存储库中还有更多 S AWS DK 示例
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使用 Bash 脚本的 Lightsa AWS CLI il 示例
以下代码示例向您展示了如何使用 AWS Command Line Interface 带有 Lightsail 的 with Bash 脚本来执行操作和实现常见场景。
场景是向您演示如何通过在一个服务中调用多个函数或与其他 AWS 服务结合来完成特定任务的代码示例。
每个示例都包含一个指向完整源代码的链接，您可以从中找到有关如何在上下文中设置和运行代码的说明。
主题
场景
以下代码示例展示了如何：
浏览可用的蓝图和捆绑包以创建实例
使用亚马逊 Linux 创建 Lightsail 实例 2023
监控实例状态直到运行
下载用于 SSH 访问的默认密钥 pair
创建并附加额外的块存储磁盘
创建用于备份的实例快照
清理资源以避免持续收费
- AWS CLI 使用 Bash 脚本
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注意
还有更多相关信息 GitHub。在示例开发者教程存储库中查找完整的示例
并学习如何设置和运行。 #!/bin/bash # Amazon Lightsail Getting Started CLI Script # This script demonstrates how to create and manage Lightsail resources using the AWS CLI # FIXES APPLIED: # 1. Added polling mechanism to check disk state before attaching # 2. Added polling mechanism to check snapshot state before proceeding with cleanup # 3. Set AWS_REGION variable to us-west-2 for consistent region usage # Set AWS region export AWS_REGION="us-west-2" echo "Using AWS region: $AWS_REGION" # Set up logging LOG_FILE="lightsail-script.log" exec > >(tee -a "$LOG_FILE") 2>&1 echo "Starting Lightsail Getting Started script at $(date)" # Error handling function handle_error() { echo "ERROR: $1" echo "Attempting to clean up resources..." cleanup_resources exit 1 } # Function to check if a command succeeded check_status() { if [ $? -ne 0 ]; then handle_error "$1" fi } # Generate a random identifier for resource names RANDOM_ID=$(openssl rand -hex 4) INSTANCE_NAME="LightsailInstance-${RANDOM_ID}" DISK_NAME="LightsailDisk-${RANDOM_ID}" SNAPSHOT_NAME="LightsailSnapshot-${RANDOM_ID}" # Array to track created resources declare -a CREATED_RESOURCES # Function to add a resource to the tracking array track_resource() { CREATED_RESOURCES+=("$1:$2") echo "Created $1: $2" } # Function to clean up resources cleanup_resources() { echo "Resources created by this script:" for resource in "${CREATED_RESOURCES[@]}"; do echo " $resource" done # Reverse the array to delete resources in reverse order for (( idx=${#CREATED_RESOURCES[@]}-1 ; idx>=0 ; idx-- )); do IFS=':' read -r type name <<< "${CREATED_RESOURCES[idx]}" case "$type" in "instance_snapshot") echo "Deleting instance snapshot: $name" aws lightsail delete-instance-snapshot --instance-snapshot-name "$name" --region $AWS_REGION ;; "disk_snapshot") echo "Deleting disk snapshot: $name" aws lightsail delete-disk-snapshot --disk-snapshot-name "$name" --region $AWS_REGION ;; "disk") echo "Detaching disk: $name" aws lightsail detach-disk --disk-name "$name" --region $AWS_REGION sleep 10 # Wait for detach to complete echo "Deleting disk: $name" aws lightsail delete-disk --disk-name "$name" --region $AWS_REGION ;; "instance") echo "Deleting instance: $name" # Check instance state before attempting to delete INSTANCE_STATE=$(aws lightsail get-instance-state --instance-name "$name" --region $AWS_REGION --query 'state.name' --output text 2>/dev/null) if [ "$INSTANCE_STATE" == "pending" ]; then echo "Instance is in pending state. Waiting for it to be ready before deleting..." MAX_WAIT=30 WAITED=0 while [ "$INSTANCE_STATE" == "pending" ] && [ $WAITED -lt $MAX_WAIT ]; do sleep 10 WAITED=$((WAITED+1)) INSTANCE_STATE=$(aws lightsail get-instance-state --instance-name "$name" --region $AWS_REGION --query 'state.name' --output text 2>/dev/null) echo "Instance state: $INSTANCE_STATE" done fi aws lightsail delete-instance --instance-name "$name" --region $AWS_REGION ;; esac done echo "Cleanup completed" } # Step 1: Verify AWS CLI configuration echo "Step 1: Verifying AWS CLI configuration" aws configure list check_status "Failed to verify AWS CLI configuration" # Step 2: Get available blueprints and bundles echo "Step 2: Getting available blueprints and bundles" echo "Available blueprints (showing first 5):" aws lightsail get-blueprints --region $AWS_REGION --query 'blueprints[0:5].[blueprintId,name]' --output table check_status "Failed to get blueprints" echo "Available bundles (showing first 5):" aws lightsail get-bundles --region $AWS_REGION --query 'bundles[0:5].[bundleId,name,price]' --output table check_status "Failed to get bundles" # Get available regions and availability zones echo "Getting available regions and availability zones" # Use a specific availability zone in us-west-2 region AVAILABILITY_ZONE="us-west-2a" echo "Using availability zone: $AVAILABILITY_ZONE" # Step 3: Create a Lightsail instance echo "Step 3: Creating Lightsail instance: $INSTANCE_NAME" aws lightsail create-instances \ --instance-names "$INSTANCE_NAME" \ --availability-zone "$AVAILABILITY_ZONE" \ --blueprint-id amazon_linux_2023 \ --bundle-id nano_3_0 \ --region $AWS_REGION check_status "Failed to create Lightsail instance" track_resource "instance" "$INSTANCE_NAME" # Wait for the instance to be in a running state echo "Waiting for instance to be in running state..." # Wait for the instance to be ready (polling approach) MAX_ATTEMPTS=30 ATTEMPTS=0 while [ $ATTEMPTS -lt $MAX_ATTEMPTS ]; do STATUS=$(aws lightsail get-instance-state --instance-name "$INSTANCE_NAME" --region $AWS_REGION --query 'state.name' --output text) if [ "$STATUS" == "running" ]; then echo "Instance is now running" break fi echo "Instance status: $STATUS. Waiting..." ATTEMPTS=$((ATTEMPTS+1)) sleep 10 done if [ $ATTEMPTS -eq $MAX_ATTEMPTS ]; then handle_error "Instance failed to reach running state after 5 minutes" fi # Get instance details echo "Getting instance details" INSTANCE_IP=$(aws lightsail get-instance --instance-name "$INSTANCE_NAME" --region $AWS_REGION --query 'instance.publicIpAddress' --output text) check_status "Failed to get instance IP address" echo "Instance IP address: $INSTANCE_IP" # Step 4: Download the default key pair echo "Step 4: Downloading default key pair" KEY_FILE="lightsail_key_${RANDOM_ID}.pem" aws lightsail download-default-key-pair --region $AWS_REGION --output text > "$KEY_FILE" check_status "Failed to download key pair" chmod 400 "$KEY_FILE" check_status "Failed to set permissions on key pair" echo "Key pair downloaded to $KEY_FILE" echo "To connect to your instance, use:" echo "ssh -i $KEY_FILE ec2-user@$INSTANCE_IP" # Step 5: Create a block storage disk echo "Step 5: Creating block storage disk: $DISK_NAME" aws lightsail create-disk \ --disk-name "$DISK_NAME" \ --availability-zone "$AVAILABILITY_ZONE" \ --size-in-gb 8 \ --region $AWS_REGION check_status "Failed to create disk" track_resource "disk" "$DISK_NAME" # FIX: Wait for the disk to be available using polling instead of fixed sleep echo "Waiting for disk to be available..." MAX_ATTEMPTS=30 ATTEMPTS=0 while [ $ATTEMPTS -lt $MAX_ATTEMPTS ]; do DISK_STATE=$(aws lightsail get-disk --disk-name "$DISK_NAME" --region $AWS_REGION --query 'disk.state' --output text 2>/dev/null) if [ "$DISK_STATE" == "available" ]; then echo "Disk is now available" break fi echo "Disk status: $DISK_STATE. Waiting..." ATTEMPTS=$((ATTEMPTS+1)) sleep 10 done if [ $ATTEMPTS -eq $MAX_ATTEMPTS ]; then handle_error "Disk failed to become available after 5 minutes" fi # Attach the disk to the instance echo "Attaching disk to instance" aws lightsail attach-disk \ --disk-name "$DISK_NAME" \ --instance-name "$INSTANCE_NAME" \ --disk-path /dev/xvdf \ --region $AWS_REGION check_status "Failed to attach disk to instance" echo "Disk attached. To format and mount the disk, connect to your instance and run:" echo "sudo mkfs -t ext4 /dev/xvdf" echo "sudo mkdir -p /mnt/my-data" echo "sudo mount /dev/xvdf /mnt/my-data" echo "sudo chown ec2-user:ec2-user /mnt/my-data" # Step 6: Create a snapshot of the instance echo "Step 6: Creating snapshot of the instance: $SNAPSHOT_NAME" aws lightsail create-instance-snapshot \ --instance-name "$INSTANCE_NAME" \ --instance-snapshot-name "$SNAPSHOT_NAME" \ --region $AWS_REGION check_status "Failed to create instance snapshot" track_resource "instance_snapshot" "$SNAPSHOT_NAME" # FIX: Wait for the snapshot to complete using polling instead of fixed sleep echo "Waiting for snapshot to complete... (this may take several minutes)" MAX_ATTEMPTS=60 # Increased timeout for snapshot creation ATTEMPTS=0 while [ $ATTEMPTS -lt $MAX_ATTEMPTS ]; do SNAPSHOT_STATE=$(aws lightsail get-instance-snapshot --instance-snapshot-name "$SNAPSHOT_NAME" --region $AWS_REGION --query 'instanceSnapshot.state' --output text 2>/dev/null) if [ "$SNAPSHOT_STATE" == "completed" ]; then echo "Snapshot creation completed" break fi echo "Snapshot status: $SNAPSHOT_STATE. Waiting... ($ATTEMPTS/$MAX_ATTEMPTS)" ATTEMPTS=$((ATTEMPTS+1)) sleep 10 done if [ $ATTEMPTS -eq $MAX_ATTEMPTS ]; then echo "Warning: Snapshot creation is taking longer than expected but will continue in the background." echo "You can check its status later with: aws lightsail get-instance-snapshot --instance-snapshot-name $SNAPSHOT_NAME --region $AWS_REGION" fi # Step 7: Clean up resources echo "Step 7: Clean up resources" echo "The script has created the following resources:" for resource in "${CREATED_RESOURCES[@]}"; do echo " $resource" done read -p "Do you want to clean up these resources? (y/n): " CLEANUP_CONFIRM if [[ "$CLEANUP_CONFIRM" == "y" || "$CLEANUP_CONFIRM" == "Y" ]]; then cleanup_resources else echo "Resources will not be cleaned up. You can manually delete them later." echo "To clean up manually, use the following commands:" echo "aws lightsail delete-instance-snapshot --instance-snapshot-name $SNAPSHOT_NAME --region $AWS_REGION" echo "aws lightsail detach-disk --disk-name $DISK_NAME --region $AWS_REGION" echo "aws lightsail delete-disk --disk-name $DISK_NAME --region $AWS_REGION" echo "aws lightsail delete-instance --instance-name $INSTANCE_NAME --region $AWS_REGION" fi echo "Script completed at $(date)"
