nav2-lifecycle-management

Nav2 lifecycle transitions are coordinated by a centralized manager that orchestrates the configure and activate states for multiple nodes. This ensures predictable startup sequencing and reduces manual configuration errors across complex deployments.

Managing multiple lifecycle nodes in ROS2 Nav2 is best handled by a centralized lifecycle manager. It handles autostart configuration, explicit node_names lists, and bond monitoring to ensure health across all servers during operation.

Nav2 supports a two lifecycle manager pattern to separate localization and navigation. This ensures the proper startup order is maintained, allowing complex deployments to configure and activate independent server groups sequentially.

Bond monitoring handles Nav2 node failures by utilizing a configurable bond_timeout and reconnection logic. When a managed node fails, the lifecycle manager detects the broken bond and attempts automatic recovery to restore operational state.

Autostart configuration can be used to sequence Nav2 lifecycle node startup automatically. By defining an explicit node_names list, the lifecycle manager transitions each server through configure and activate states without manual intervention.

Nav2 lifecycle managers fail to activate servers when startup sequencing is incorrect due to missing dependencies. Centralizing the orchestration of lifecycle transitions ensures all required nodes are configured before activation, preventing sequencing errors.