From 934de0a28126c187eb09dbdd5833db792ec6610f Mon Sep 17 00:00:00 2001
From: Yuan Tang <terrytangyuan@gmail.com>
Date: Thu, 20 Mar 2025 22:28:47 -0400
Subject: [PATCH] ci: Enforce concurrency to reduce CI loads (#1738)

# What does this PR do?

When multiple commits are pushed to a PR, multiple CI builds will be
triggered. This PR ensures that we only run one concurrent build for
each PR to reduce CI loads.

Signed-off-by: Yuan Tang <terrytangyuan@gmail.com>
---
 .github/workflows/integration-tests.yml  | 4 ++++
 .github/workflows/pre-commit.yml         | 4 ++++
 .github/workflows/providers-build.yml    | 4 ++++
 .github/workflows/semantic-pr.yml        | 4 ++++
 .github/workflows/unit-tests.yml         | 4 ++++
 .github/workflows/update-readthedocs.yml | 4 ++++
 6 files changed, 24 insertions(+)

diff --git a/.github/workflows/integration-tests.yml b/.github/workflows/integration-tests.yml
index 475b26d0a..6e7e99ef9 100644
--- a/.github/workflows/integration-tests.yml
+++ b/.github/workflows/integration-tests.yml
@@ -14,6 +14,10 @@ on:
       - 'requirements.txt'
       - '.github/workflows/integration-tests.yml' # This workflow
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   test-matrix:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 046387ab9..f36453933 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -5,6 +5,10 @@ on:
   push:
     branches: [main]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   pre-commit:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/providers-build.yml b/.github/workflows/providers-build.yml
index e6871bf99..18894a768 100644
--- a/.github/workflows/providers-build.yml
+++ b/.github/workflows/providers-build.yml
@@ -18,6 +18,10 @@ on:
       - 'llama_stack/distribution/*.sh'
       - '.github/workflows/providers-build.yml'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   generate-matrix:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/semantic-pr.yml b/.github/workflows/semantic-pr.yml
index 460acf237..ac75f9064 100644
--- a/.github/workflows/semantic-pr.yml
+++ b/.github/workflows/semantic-pr.yml
@@ -8,6 +8,10 @@ on:
       - reopened
       - synchronize
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 permissions:
   contents: read
 
diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 6d6e91f22..49aafca79 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -15,6 +15,10 @@ on:
       - '.github/workflows/unit-tests.yml' # This workflow
   workflow_dispatch:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   unit-tests:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/update-readthedocs.yml b/.github/workflows/update-readthedocs.yml
index e8f14dbba..561a001ef 100644
--- a/.github/workflows/update-readthedocs.yml
+++ b/.github/workflows/update-readthedocs.yml
@@ -22,6 +22,10 @@ on:
       - 'pyproject.toml'
       - '.github/workflows/update-readthedocs.yml'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   update-readthedocs:
     runs-on: ubuntu-latest