Ansible
Ansible is a configuration management tool that simplifies complex deployment, configuration, and management tasks. It is a lightweight, modular, and scalable tool that can be used for automating various IT operations, such as deploying applications, configuring servers, managing virtual machines, and containers, etc. Ansible has powerful extension capabilities and can be integrated with other tools and platforms, such as Jenkins, Alibaba Cloud, Docker, etc. It also has strong security and reliability, ensuring the consistency and correctness of operations, greatly improving the efficiency and reliability of IT operations.
cloud-init
Cloud-init is an open-source service software that performs the initial system configuration for Linux-based virtual machines in cloud platforms. Major cloud platforms such as Alibaba Cloud, AWS, Azure, and OpenStack support cloud-init. Alibaba Cloud version of cloud-init can complete the system initialization configuration during the ECS instance startup stage, including NTP, software sources, hostname, SSH key pairs, and also execute instance user data scripts.
Cloud-init is already installed by default in all Alibaba Cloud public images. However, cloud-init may not be fully compatible between different cloud platforms and versions. Please choose the appropriate version and configure the appropriate data source.