ansible/molecule
Molecule
Molecule 是一个基础设施测试编排器和测试框架，专为 Ansible 角色和集合设计。它作为一个临时环境管理器，启动并销毁临时测试主机，以隔离验证基础设施代码。
该项目通过专门的幂等性验证器脱颖而出，该验证器多次执行自动化序列，以确保在达到初始期望状态后不会发生意外更改。它利用基于驱动程序的配置模型，支持在容器、虚拟机和云实例中创建测试目标。
该工具通过基于阶段的编排管理完整的测试生命周期，涵盖从环境配置和收敛到功能结果验证和资源销毁的所有内容。它支持并行场景执行、自定义测试镜像构建，以及集成静态和动态库存源，以确保自动化在不同平台上表现一致。
Features
- Idempotency Testing - Implements a specialized validator that executes automation multiple times to verify that no unintended changes occur after the initial run.
- Ansible Testing Frameworks - Provides a comprehensive framework for linting, validating, and testing Ansible roles and collections.
- State Validation - Runs full sequences of provisioning and verification to confirm playbooks achieve the intended system state.
- Driver-Based Provisioning - Implements modular drivers to provision and tear down ephemeral test targets like containers and virtual machines.
- Automated Testing Containers - Spins up ephemeral container instances as test hosts and destroys them after executing configuration playbooks.
- Infrastructure Idempotency Validators - Executes automation multiple times to ensure no unintended changes occur after the initial successful run.
- Infrastructure Idempotency Testing - Confirms that repeated applications of infrastructure code result in the same state without unexpected changes.
- Test Lifecycle Phases - Orchestrates the full test process through a sequence of distinct phases including convergence and destruction.
- Testing Lifecycle Management - Coordinates the complete testing process by mapping actions to provisioning and resource destruction phases.
- Outcome Verification - Executes verification tasks after automation to compare the actual system state against expected functional outcomes.
- Automated Infrastructure Testing - Validates Ansible roles and collections by executing them across containers, virtual machines, and cloud infrastructure.
- Ephemeral Testing Environments - Spins up and tears down isolated, short-lived container or VM instances to validate infrastructure code.
- Test Orchestration - Coordinates the lifecycle, dependencies, and execution order of infrastructure test environments.
- Test Image Templates - Builds custom container images using direct files or templates to define specific test environments.
- Dynamic Inventory Resolution - Resolves test hosts using static files or dynamic scripts to ensure production-parity environments.
- Ansible Playbooks - Provides native execution of Ansible playbooks to verify infrastructure state on provisioned test targets.
- Automation Inventory Management - Enables the use of external files and scripts to manage target machine groups for automation testing.
- Environment Verifications - Verifies that inventory configurations and dynamic sources are reachable and properly configured before test execution.
- Cross-Environment Test Harnesses - Executes test scenarios across diverse targets like Linux containers or network simulations to ensure consistent automation behavior.
- Test Sequence Control - Allows defining the custom order of testing phases to create tailored validation workflows.
- Parallel Test Execution - Runs multiple test environments and scenarios concurrently to reduce total validation time.
- Parallel Test Execution - Executes multiple test scenarios simultaneously to reduce the total duration of the infrastructure validation suite.
- Targeted Test Execution - Allows running a specific subset of test cases or full lifecycles for a named environment to isolate failures.
- Cross-Platform Test Execution - Verifies that automation code behaves consistently across different operating systems and cloud providers.
