The opensearch-build from willie-the-lord

Releasing OpenSearch
- Releases and Versions
- Release labels
Onboarding a New Plugin
Building and Testing an OpenSearch Distribution
Making a Release
Utilities
Deploying Infrastructure
Contributing
Getting Help
Code of Conduct
Security
License
Copyright

Releasing OpenSearch

Please refer to the release process document for detailed information on how to release the OpenSearch and OpenSearch Dashboards software.

Releases and Versions

The OpenSearch project releases as versioned distributions of OpenSearch, OpenSearch Dashboards, and the OpenSearch plugins. It follows semantic versioning. Software, such as Data Prepper, clients, and the Logstash output plugin, are versioned independently of the OpenSearch Project. They also may have independent releases from the main project distributions. The OpenSearch Project may also release software under alpha, beta, release candidate, and generally available labels. The definition of when to use these labels is derived from the Wikipedia page on Software release lifecycle. Below is the definition of when to use each label.

Release labels:

Alpha - The code is released with instructions to build. Built distributions of the software may not be available. Some features many not be complete. Additional testing and development work is planned. Distributions will be postfixed with -alphaX where "X" is the number of the alpha version (e.g., "2.0-alpha1").
Beta - Built distributions of the software are available. All features are completed. Additional testing and development work is planned. Distributions will be postfixed with -betaX where "X" is the number of the beta version (e.g., "2.0.0-beta1").
Release Candidate - Built distributions of the software are available. All features are completed. Code is tested and minimal validation remains. At this stage the software is potentially stable and will release unless significant bugs emerge. Distributions will be postfixed with -rcX where "X" is the number of the release candidate version (e.g., "2.0.0-rc1").
Generally Available - Built distributions of the software are available. All features are completed and documented. All testing is completed. Distributions for generally available versions are not postfixed with an additional label (e.g., "2.0.0").

Onboarding a New Plugin

Plugin owners can follow the Onboarding Process to onboard their plugins to the release process.

Building and Testing an OpenSearch Distribution

The distribution workflow builds a complete OpenSearch and OpenSearch Dashboards distribution from source. You can currently build 1.0, 1.1, 1.1-SNAPSHOT and 1.2 versions. This system performs a top-down build of all components required for a specific OpenSearch and OpenSearch Dashboards release, then assembles a distribution. The input to the system is a manifest that defines the order in which components should be built. All manifests for our current releases are here.

Building from Source

./build.sh manifests/1.3.0/opensearch-1.3.0.yml

This builds OpenSearch 1.3.0 from source, placing the output into ./builds/opensearch.

See build workflow for more information.

Assembling a Distribution

./assemble.sh builds/opensearch/manifest.yml

The assembling step takes output from the build step, installs plugins, and assembles a full distribution into the dist folder.

See assemble workflow for more information.

Building Patches

A patch release contains output from previous versions mixed with new source code. Manifests can mix such references. See opensearch-1.3.1.yml for an example.

OpenSearch is often released with changes in opensearch-min, and no changes to plugins other than a version bump. This can be performed by a solo engineer following a cookbook. See also opensearch-build#1375 which aims to automate incrementing versions for the next development iteration.

Min Snapshots

Snapshots for OpenSearch core/min can be downloaded and used in CI's, local development, etc using below links:

Linux:

https://artifacts.opensearch.org/snapshots/core/opensearch/<version>-SNAPSHOT/opensearch-min-<version>-SNAPSHOT-linux-x64-latest.tar.gz

macOS:

https://artifacts.opensearch.org/snapshots/core/opensearch/<version>-SNAPSHOT/opensearch-min-<version>-SNAPSHOT-darwin-x64-latest.tar.gz

Windows:

https://artifacts.opensearch.org/snapshots/core/opensearch/<version>-SNAPSHOT/opensearch-min-<version>-SNAPSHOT-windows-x64-latest.zip

CI/CD Environment

We build, assemble, and test our artifacts on docker containers. We provide docker files in docker/ci folder, and images on staging docker hub repositories. All Jenkins pipelines can be found in jenkins. Jenkins itself is in the process of being made public and its CDK open-sourced.

See jenkins and docker for more information.

Build Numbers

The distribution URL and the build output manifest include a Jenkins auto-incremented build number. For example, the manifest from OpenSearch build 5905 contains the following.

build:
  name: OpenSearch
  version: 2.2.0
  platform: linux
  architecture: x64
  distribution: rpm
  id: '5905'

Latest Distribution URL

Use the latest keyword in the URL to obtain the latest build for a given version. For example https://ci.opensearch.org/ci/dbc/distribution-build-opensearch/2.2.0/latest/linux/x64/rpm/dist/opensearch/manifest.yml redirects to build 5905 at the time of writing this.

The latest keyword is resolved to a specific build number by checking the index.json file. This file has contents such as this.

{"latest":"5905"}

The file is updated when a distribution build job is completed for the given product and version (or is created when such distribution job succeeds for the first time). Since one distribution build job consists of multiple stages for different combinations of distribution type, platform and architecture, the index.json is only modified once all stages succeed. With this said, the latest URL only works when the distribution build job succeeds at least once for the given product and version.

The resolution logic is implemented in the CloudFront URL rewriter. The TTL (time to live) is set to 5 mins which means that the latest URL may need up to 5 mins to get new contents after index.json is updated.

All the artifacts accessible through the regular distribution URL can be accessed by the latest URL. This includes both OpenSearch Core, OpenSearch Dashboards Core and their plugins.

For example, you can download the latest .tar.gz distribution build of OpenSearch 2.2.0 directly at https://ci.opensearch.org/ci/dbc/distribution-build-opensearch/2.2.0/latest/linux/x64/tar/dist/opensearch/opensearch-2.2.0-linux-x64.tar.gz, without having to first download and parse the complete build manifest.

For plugin artifacts, you can also use the latest keyword to get the latest plugin artifacts with a known version. E.g. in order to get performance-analyzer x64 tarball artifacts for 2.1.0, you can obtain it with link https://ci.opensearch.org/ci/dbc/distribution-build-opensearch/2.1.0/latest/linux/x64/tar/builds/opensearch/plugins/opensearch-performance-analyzer-2.1.0.0.zip, which will redirect you to https://ci.opensearch.org/ci/dbc/distribution-build-opensearch/2.1.0/5757/linux/x64/tar/builds/opensearch/plugins/opensearch-performance-analyzer-2.1.0.0.zip.

For bundled artifacts, here are some examples for LINUX and Windows:

Linux Tar: https://ci.opensearch.org/ci/dbc/distribution-build-opensearch/2.4.0/latest/linux/x64/tar/dist/opensearch/opensearch-2.4.0-linux-x64.tar.gz
Windows Zip: https://ci.opensearch.org/ci/dbc/distribution-build-opensearch/2.4.0/latest/windows/x64/zip/dist/opensearch/opensearch-2.4.0-windows-x64.zip

Testing the Distribution

Tests the OpenSearch distribution, including integration, backwards-compatibility and performance tests.

./test.sh <test-type> <test-manifest-path> <path>

See src/test_workflow for more information.

Checking Release Notes

Workflow to check if the release notes exist or not and shows the latest commit for OpenSearch and Dashboard distributions.

To run:

./release_notes.sh check manifests/2.2.0/opensearch-2.2.0.yml --date 2022-07-26

See src/release_notes_workflow for more information.

Signing Artifacts

For all types of signing within OpenSearch project we use opensearch-signer-client (in progress of being open-sourced) which is a wrapper around internal signing system and is only available for authenticated users. The input requires a path to the build manifest or directory containing all the artifacts or a single artifact.

Usage:

./sign.sh builds/opensearch/manifest.yml

The tool currently supports following platforms for signing.

PGP

Anything can be signed using PGP signing eg: tarball, any type of file, etc. A .sig file will be returned containing the signature. OpenSearch and OpenSearch dashboards distributions, components such as data prepper, etc. as well as maven artifacts are signed using PGP signing. See this page for how to verify signatures.

Windows

Windows signing can be used to sign windows executables such as .msi, .msp, .msm, .cab, .dll, .exe, .appx, .appxbundle, .msix, .msixbundle, .sys, .vxd, .ps1, .psm1, and any PE file that is supported by Signtool.exe. Various windows artifacts such as SQL OBDC, opensearch-cli, etc are signed using this method. Windows code signing uses EV (Extended Validated) code signing certificates.

Types of signing/Details	Digest	Cipher	Key Size
PGP	SHA1	AES-128	2048
Windows	SHA256	RSA
RPM	SHA512	RSA	4096

Signing RPM artifacts

RPM artifacts are signed via a legacy shell script which uses a macros template. See this commit for more information and this issue to add RPM artifact signing functionality to the above signing system. Currently we are only signing OpenSearch and OpenSearch dashboards RPM distributions using this method.

See src/sign_workflow for more information.

Making a Release

Releasing for Linux and Windows

The Linux / Windows release is managed by a team at Amazon following this release template (e.g. opensearch-build#2649).

Releasing for FreeBSD

The FreeBSD ports and packages for OpenSearch are managed by a community OpenSearch Team at FreeBSD. When a new release is rolled out, this team will update the port and commit it to the FreeBSD ports tree. Anybody is welcome to help the team by providing patches for upgrading the ports following the FreeBSD Porter's Handbook instructions.

Releasing for macOS

At this moment there's no official macOS distribution. However, this project does support building and assembling OpenSearch for macOS. See opensearch-build#37 and #38 for more details.

Utilities

Checking Out Source

The checkout workflow checks out source code for a given manifest for further examination.

./checkout.sh manifests/1.3.0/opensearch-1.3.0.yml

See src/checkout_workflow for more information.

Cross-Platform Builds

You can perform cross-platform builds. For example, build and assemble a Windows distribution on macOS.

export JAVA_HOME=$(/usr/libexec/java_home) # required by OpenSearch install-plugin during assemble
./build.sh manifests/1.3.0/opensearch-1.3.0.yml --snapshot --platform windows
./assemble.sh builds/opensearch/manifest.yml

This will produce dist/opensearch-1.3.0-SNAPSHOT-windows-x64.zip on Linux and macOS.

Sanity Checking the Bundle

This workflow runs sanity checks on every component present in the bundle, executed as part of the manifests workflow in this repository. It ensures that the component GitHub repositories are correct and versions in those components match the OpenSearch version.

The following example sanity-checks components in the OpenSearch 1.3.0 manifest.

./ci.sh manifests/1.3.0/opensearch-1.3.0.yml --snapshot

See src/ci_workflow for more information.

Auto-Generating Manifests

The manifests workflow reacts to version increments in OpenSearch and its components by extracting Gradle properties from project branches. When a new version is found, a new input manifest is added to manifests, and a pull request is opened (e.g. opensearch-build#491).

Show information about existing manifests.

./manifests.sh list

Check for updates and create any new manifests.

./manifests.sh update

See src/manifests_workflow for more information.

Deploying Infrastructure

Storage and access roles for the OpenSearch release process are codified in a CDK project.

Contributing

See developer guide and how to contribute to this project.

Getting Help

If you find a bug, or have a feature request, please don't hesitate to open an issue in this repository.

For more information, see project website and documentation. If you need help and are unsure where to open an issue, try forums.

Code of Conduct

This project has adopted the Amazon Open Source Code of Conduct. For more information see the Code of Conduct FAQ, or contact [email protected] with any additional questions or comments.

Security

If you discover a potential security issue in this project we ask that you notify AWS/Amazon Security via our vulnerability reporting page. Please do not create a public GitHub issue.

License

This project is licensed under the Apache v2.0 License.

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