Add quality declaration (#678)

QUALITY_DECLARATION.md

@@ -0,0 +1,78 @@
+This document is a declaration of software quality for the `rosbridge_suite` packages, based on the guidelines in [REP-2004](https://www.ros.org/reps/rep-2004.html). The following packages are covered by this declaration:
+
+- rosapi
+- rosapi_msgs
+- rosbridge_library
+- rosbridge_msgs
+- rosbridge_server
+- rosbridge_suite
+- rosbridge_test_msgs
+
+# `rosbridge_suite` Quality Declaration
+
+The package `rosbridge_suite` claims to be in the **Quality Level 3** category.
+
+Below are the rationales, notes, and caveats for this claim, organized by each requirement listed in the [Package Requirements for Quality Level N in REP-2004](https://www.ros.org/reps/rep-2004.html).
+
+## Version Policy [1]
+
+### Version Scheme [1.i]
+
+`rosbridge_suite` uses [semver](https://semver.org/) according to the recommendation in the [ROS 2 Developer Guide](https://docs.ros.org/en/rolling/Contributing/Developer-Guide.html#versioning).
+
+### Version Stability [1.ii]
+
+`rosbridge_suite` is at a stable version, i.e. `>= 1.0.0`. The current version can be found in its [package.xml](/rosbridge_server/package.xml), and its change history can be found in its [CHANGELOG](/rosbridge_server/CHANGELOG.rst).
+
+### Public API Declaration [1.iii]
+
+The public API is not explicitly defined.
+
+### API Stability Within a Released ROS Distribution [1.iv]/[1.vi]
+
+The public API is not guaranteed to be stable within a released ROS distribution.
+
+### ABI Stability Within a Released ROS Distribution [1.v]/[1.vi]
+
+`rosbridge_suite` is written in Python and therefore is not concerned with ABI stability.
+
+## Change Control Process [2]
+
+`rosbridge_suite` follows the recommended guidelines for ROS Core packages in the [ROS 2 Developer Guide](https://docs.ros.org/en/rolling/Contributing/Developer-Guide.html#change-control-process).
+
+### Change Requests [2.i]
+
+All changes will occur through a pull request, check [ROS 2 Developer Guide](https://index.ros.org/doc/ros2/Contributing/Developer-Guide/#change-control-process) for additional information.
+
+### Continuous Integration [2.ii]
+
+All pull request must pass CI on all supported platforms.
+
+## Documentation [3]
+
+### License [3.i]
+
+The license for `rosbridge_suite` is BSD 3-clause, and a full copy is in the [LICENSE](/LICENSE) file.
+
+### Copyright Statement [3.ii]
+
+The copyright statement is in the [LICENSE](/LICENSE) file.
+
+## Testing [4]
+
+New features are required to have tests before being added.
+
+## Dependencies [5]
+
+
+`rosbridge_suite` has a runtime dependency on `rclpy`, which does not have a quality declaration.
+
+## Platform Support [6]
+
+`rosbridge_suite` supports all of the tier 1 platforms as described in [REP-2000](https://www.ros.org/reps/rep-2000.html#support-tiers). Tests are currently only run against Ubuntu Linux.
+
+## Security [7]
+
+### Vulnerability Disclosure Policy [7.i]
+
+This package conforms to the Vulnerability Disclosure Policy in [REP-2006](https://www.ros.org/reps/rep-2006.html).

README.md

@@ -33,6 +33,9 @@ rosbridge_suite is released with a BSD license. For full terms and conditions, s
 ### Authors
 See the [AUTHORS](AUTHORS.md) file for a full list of contributors.
 
+### Quality Declaration
+This package claims to be in the **Quality Level 3** category, see the [Quality Declaration](/QUALITY_DECLARATION.md) for more details.
+
 ### Troubleshooting
 
 See the [TROUBLESHOOTING](TROUBLESHOOTING.md) doc for common problems and solutions.