DSWx-HLS PGE V1.0.4 Release: A Step-by-Step Guide

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Hey everyone! We're excited to walk you through the release procedure for DSWx-HLS PGE version 1.0.4. This guide will cover each step, ensuring a smooth and successful release. Let's dive in!

PGE Release Procedure Steps

To ensure a seamless release of DSWx-HLS PGE v1.0.4, we'll follow these steps meticulously. This process covers everything from branch creation to final announcements. So, let's get started!

1. Branching Out: Creating the Release Branch

The first step in our release journey is to create a dedicated release branch. We need to make sure our main branch is up-to-date. This ensures that we're building our release from the latest and greatest codebase. Once we've confirmed that, we'll create a new branch named release/dswx-hls/1.0.4 directly off the main branch. This isolates our release work from ongoing development.

  • Ensuring an Up-to-Date Main Branch: Before creating the release branch, it's crucial to synchronize your local main branch with the remote repository. This helps prevent any unexpected issues or conflicts during the release process. Use the command git pull origin main to update your local main branch.
  • Creating the Release Branch: Once your main branch is up-to-date, create the release branch using the command git checkout -b release/dswx-hls/1.0.4. This command creates a new branch named release/dswx-hls/1.0.4 and switches your working directory to this branch. This branch will serve as the dedicated space for all release-related changes and activities.
  • Importance of Branching: Creating a release branch allows you to isolate the changes specific to the release from ongoing development efforts. This isolation minimizes the risk of introducing new bugs or issues into the release, as only the necessary modifications are made within the release branch. Additionally, it provides a stable environment for testing and validation before the final release.
  • Best Practices for Branch Naming: Adhering to a consistent naming convention for release branches is essential for clarity and organization. The release/dswx-hls/1.0.4 naming format clearly indicates that this branch is specifically for the release of DSWx-HLS PGE version 1.0.4. This naming convention helps team members quickly identify the purpose and scope of the branch.
  • Benefits of a Dedicated Release Branch: A dedicated release branch not only isolates release changes but also facilitates collaboration among team members. It provides a clear focus for testing, documentation updates, and other release-related tasks. By using a dedicated branch, you can ensure that the release process is well-managed and controlled, leading to a smoother and more successful release.

2. Version Updates: Bumping Up the Numbers

Next up, we need to update the version numbers within our codebase. This step is crucial for tracking releases and ensuring that users know which version they're using. We'll be focusing on two key areas:

  • In src/opera/pge/dswx_hls/dswx_hls_pge.py, we'll update the PGE_VERSION variable to 1.0.4. This tells the system that we're officially on the new version.

  • We'll also rename examples/dswx_hls_sample_runconfig-v1.0.3.yaml to examples/dswx_hls_sample_runconfig-v1.0.4.yaml. This ensures our example run configuration file matches the new version. And of course, we'll update the version referenced in the comment at the top of this file.

  • Importance of Accurate Versioning: Maintaining accurate version numbers is crucial for several reasons. First, it allows users to easily identify which version of the software they are using, which is essential for reporting issues and understanding compatibility. Second, it helps developers track changes and bug fixes across different releases. Third, it ensures that automated systems, such as dependency management tools, can correctly identify and handle different versions of the software.

  • Updating PGE_VERSION: The PGE_VERSION variable in src/opera/pge/dswx_hls/dswx_hls_pge.py serves as the primary indicator of the software's version. Updating this variable to 1.0.4 ensures that all components of the system recognize the new version. This update is typically done by directly editing the file and changing the value of the PGE_VERSION variable.

  • Renaming and Updating Example Run Configurations: Example run configuration files provide users with a starting point for using the software. Renaming the file to examples/dswx_hls_sample_runconfig-v1.0.4.yaml and updating the version reference within the file ensures that users are using the correct configuration for the new version. This helps prevent confusion and ensures that users can easily get started with the software.

  • Best Practices for Version Updates: When updating version numbers, it's essential to follow consistent practices to avoid errors. This includes double-checking the updated values, ensuring that all relevant files are updated, and using version control systems to track changes. Additionally, it's helpful to document the versioning scheme used by the project to ensure consistency across releases.

  • Impact of Incorrect Versioning: Incorrect versioning can lead to significant issues, including compatibility problems, difficulties in tracking bugs, and confusion among users. Therefore, it's crucial to pay close attention to version updates and ensure that they are done accurately and consistently.

3. Push and Test: Integration Testing on Jenkins

Now that we've got our branch and versions sorted, it's time to push our release/dswx-hls/1.0.4 branch to the origin repository. This makes our changes accessible to the team and the Jenkins system. Then, we'll execute the integration test for DSWx-HLS within the Jenkins Int Test pipeline. This is where the magic happens – automated tests will run to ensure our release is stable and working as expected.

  • Pushing the Release Branch to Origin: After creating and updating the release branch, it's necessary to push the branch to the remote repository (origin) using the command git push origin release/dswx-hls/1.0.4. This makes the branch available to other team members and the Jenkins CI/CD system. Pushing the branch ensures that all changes made locally are reflected in the remote repository.
  • Executing Integration Tests on Jenkins: Integration tests are crucial for verifying that different components of the software work together as expected. In this step, the DSWx-HLS integration test pipeline is triggered within Jenkins. This pipeline automatically runs a series of tests to ensure the stability and functionality of the release. Jenkins is a popular open-source automation server that is widely used for continuous integration and continuous delivery (CI/CD).
  • Addressing Branch Visibility Issues in Jenkins: Sometimes, newly created branches may not immediately appear in the Jenkins pipeline. This can be due to caching or other configuration issues. If the release branch doesn't show up, the