Components are the basic unit of executable software on Fuchsia.
Architectural concepts
- Introduction: Understanding components and the component framework.
- Component manager: The runtime.
- Lifecycle: Component instance progression from creation to destruction.
- Topology: The relationships among component instances.
- Realms: Sub-trees of the component instance topology.
- Monikers: Identifiers for component instances based on the component topology.
Developing components
- Capabilities: Different types of capabilities and how to route them between components.
- Component manifests: How to define a component for the framework.
- Component URLs are URLs that identify components.
- ELF runner: How to launch a component from an ELF file. Typically useful for developing system components in C++, Rust, or Go.
Extending the component framework
- Runners: Instantiate components; add support for more runtimes.
- Resolvers: Find components from URLs; add support for methods of software packaging and distribution.
Diagnostics
- Hub: A live view of the component topology at runtime.
Testing
- Test components: defining components that implement tests and running them.
- Test Runner Framework: writing idiomatic tests in different languages that use common testing frameworks.
- Complex topologies and integration testing: testing interactions between multiple components in isolation from the rest of the system.
- OpaqueTest: Hermetic testing framework (DEPRECATED).
Internals
- Component Framework design principles
- Component manifest design principles
- Components vs. processes: how the concepts differ.
Misc
- Termination policies: Policies that can be configured to react to component termination
Components v1 : /docs/glossary/README.md#components-v1 Components v2 : /docs/glossary/README.md#components-v2