如何使用启动模板在运行 Amazon Linux 或 Ubuntu 的 Amazon EC2 实例上自动安装 CodeDeploy 代理程序？

解决方法

创建启动模板时，请使用用户数据字段添加实例启动时运行的配置脚本。Shell 脚本会为所有 AWS 区域和受支持的 Amazon Linux 和 Ubuntu 发行版安装 CodeDeploy 代理程序。

要将 CodeDeploy 配置为在启动时自动更新，请将 AUTOUPDATE 变量设置为 true。例如，根据您的实例元数据版本在 Amazon EC2 用户数据字段中添加以下配置脚本。

**重要事项：**以下脚本仅适用于 Linux 的 EC2。在 Windows 环境中，该脚本会失败。

IMSDv1:

// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: MIT-0

#!/bin/bash -xe

## CodeDeploy Agent Bootstrap Script##

exec > >(tee /var/log/user-data.log|logger -t user-data -s 2>/dev/console) 2>&1AUTOUPDATE=false

function installdep(){

if [ ${PLAT} = "ubuntu" ]; then
  apt-get -y update
  # Satisfying even ubuntu older versions.
  apt-get -y install jq awscli ruby2.0 || apt-get -y install jq awscli ruby

elif [ ${PLAT} = "amz" ]; then
  yum -y update
  yum install -y aws-cli ruby jq
fi
}
function platformize(){
#Linux OS detection#
 if hash lsb_release; then
   echo "Ubuntu server OS detected"
   export PLAT="ubuntu"

elif hash yum; then
  echo "Amazon Linux detected"
  export PLAT="amz"

 else
   echo "Unsupported release"
   exit 1
 fi
}

function execute(){

if [ ${PLAT} = "ubuntu" ]; then
  cd /tmp/
  wget https://aws-codedeploy-${REGION}.s3.amazonaws.com/latest/install
  chmod +x ./install

  if ./install auto; then
    echo "Installation completed"
      if ! ${AUTOUPDATE}; then
            echo "Disabling Auto Update"
            sed -i '/@reboot/d' /etc/cron.d/codedeploy-agent-update
            chattr +i /etc/cron.d/codedeploy-agent-update
            rm -f /tmp/install
      fi
    exit 0
  else
    echo "Installation script failed, please investigate"
    rm -f /tmp/install
    exit 1
  fi

elif [ ${PLAT} = "amz" ]; then

  cd /tmp/
  wget https://aws-codedeploy-${REGION}.s3.amazonaws.com/latest/install
  chmod +x ./install
    if ./install auto; then
      echo "Installation completed"
        if ! ${AUTOUPDATE}; then
            echo "Disabling auto update"
            sed -i '/@reboot/d' /etc/cron.d/codedeploy-agent-update
            chattr +i /etc/cron.d/codedeploy-agent-update
            rm -f /tmp/install
        fi
      exit 0
    else
      echo "Installation script failed, please investigate"
      rm -f /tmp/install
      exit 1
    fi
else  echo "Unsupported platform ''${PLAT}''"
fi
}
platformize
installdep
REGION=$(curl -s 169.254.169.254/latest/dynamic/instance-identity/document | jq -r ".region")
execute

IMSDv2:

// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: MIT-0

#!/bin/bash -xe

## CodeDeploy Agent Bootstrap Script##

exec > >(tee /var/log/user-data.log|logger -t user-data -s 2>/dev/console) 2>&1
AUTOUPDATE=false

function installdep(){

if [ ${PLAT} = "ubuntu" ]; then

  apt-get -y update
  # Satisfying even ubuntu older versions.
  apt-get -y install jq awscli ruby2.0 || apt-get -y install jq awscli ruby

elif [ ${PLAT} = "amz" ]; then
  yum -y update
  yum install -y aws-cli ruby jq

fi
}
function platformize(){

#Linux OS detection#
 if hash lsb_release; then
   echo "Ubuntu server OS detected"
   export PLAT="ubuntu"

elif hash yum; then
  echo "Amazon Linux detected"
  export PLAT="amz"

 else
   echo "Unsupported release"
   exit 1
 fi
}

function execute(){
if [ ${PLAT} = "ubuntu" ]; then

  cd /tmp/
  wget https://aws-codedeploy-${REGION}.s3.amazonaws.com/latest/install
  chmod +x ./install

  if ./install auto; then
    echo "Installation completed"
      if ! ${AUTOUPDATE}; then
            echo "Disabling Auto Update"
            sed -i '/@reboot/d' /etc/cron.d/codedeploy-agent-update
            chattr +i /etc/cron.d/codedeploy-agent-update
            rm -f /tmp/install
      fi
    exit 0
  else
    echo "Installation script failed, please investigate"
    rm -f /tmp/install
    exit 1
  fi

elif [ ${PLAT} = "amz" ]; then
  cd /tmp/
  wget https://aws-codedeploy-${REGION}.s3.amazonaws.com/latest/install
  chmod +x ./install

    if ./install auto; then
      echo "Installation completed"
        if ! ${AUTOUPDATE}; then
            echo "Disabling auto update"
            sed -i '/@reboot/d' /etc/cron.d/codedeploy-agent-update
            chattr +i /etc/cron.d/codedeploy-agent-update
            rm -f /tmp/install
        fi
      exit 0
    else
      echo "Installation script failed, please investigate"
      rm -f /tmp/install
      exit 1
    fi

else
  echo "Unsupported platform ''${PLAT}''"
fi

}

platformize
installdep
TOKEN=`curl -X PUT "http://169.254.169.254/latest/api/token" -H "X-aws-ec2-metadata-token-ttl-seconds: 21600"`
REGION=$(curl -H "X-aws-ec2-metadata-token: $TOKEN"  -v http://169.254.169.254/latest/dynamic/instance-identity/document | jq -r ".region")
execute

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