Auto update the latest build link (#5)

* Add CI to update the latest build URL

* Update link to latest build

* Add new step job update-latest-artifact-link to CI

* Update link to latest build

* add link to download section

* change to condition of artifact link branch to master

* update commit message

---------

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: haohanyang

.github/workflows/ci.yml

@@ -4,12 +4,17 @@ on:
   push:
     branches:
       - '*'
+    paths-ignore:
+      - README.md
   pull_request:
     branches:
       - master
       - main
+    paths-ignore:
+      - README.md
 
-permissions: read-all
+permissions:
+  contents: write
 
 jobs:
   build:
@@ -20,6 +25,7 @@ jobs:
       plugin-version: ${{ steps.metadata.outputs.plugin-version }}
       has-e2e: ${{ steps.check-for-e2e.outputs.has-e2e }}
       has-backend: ${{ steps.check-for-backend.outputs.has-backend }}
+      artifact-url: ${{ steps.archive-build.outputs.artifact-url }}
     env:
       GRAFANA_ACCESS_POLICY_TOKEN: ${{ secrets.GRAFANA_ACCESS_POLICY_TOKEN }}
     steps:
@@ -103,6 +109,7 @@ jobs:
 
       - name: Archive Build
         uses: actions/upload-artifact@v4
+        id: archive-build
         with:
           name: ${{ steps.metadata.outputs.plugin-id }}-${{ steps.metadata.outputs.plugin-version }}
           path: ${{ steps.metadata.outputs.plugin-id }}
@@ -200,3 +207,19 @@ jobs:
       #     name: playwright-report-${{ matrix.GRAFANA_IMAGE.NAME }}-v${{ matrix.GRAFANA_IMAGE.VERSION }}-${{github.run_id}}
       #     path: playwright-report/
       #     retention-days: 5
+  
+  update-latest-artifact-link:
+    needs: [playwright-tests, build]
+    runs-on: ubuntu-latest
+    name: Update link to the latest artifact
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Update the latest workflow artifact URL
+        if: github.ref == 'refs/heads/master'
+        run: |
+          sed -i 's|\[Download the latest build\](.*)|\[Download the latest build\](${{ needs.build.outputs.artifact-url }})|' README.md
+          git config --global user.name 'github-actions[bot]'
+          git config --global user.email 'github-actions[bot]@users.noreply.github.com'
+          git commit -am "Update link to the latest workflow artifact"
+          git push

README.md

@@ -5,6 +5,10 @@ This plugin provides a Grafana datasource for querying and visualizing data from
 
 ![screenshot](/static/screenshot.png)
 
+## Download
+[Download the latest build](https://github.com/haohanyang/mongodb-datasource/actions/runs/11218336228/artifacts/2024560027)
+
+
 ## Use
 ### Query language
 The query text should be a valid MongoDB Aggregate pipeline - an array consisting of MongoDB Aggregate operations. Your may use the Grafana's built-in variables `"$__from"` and `"$__to"` to query data based on the current panel's time range. The plugin supports JSON and JavaScript query languages. In JSON query, you need to enter the database in the UI. Here is an example of JSON query.
@@ -120,7 +124,7 @@ Table type is more flexible and doesn't require the output schema. This usually
 
 
 ## Install
-* Download the artifact package plugin `haohanyang-mongodb-datasource-<version>.zip` from [GitHub Action](https://github.com/haohanyang/mongodb-datasource/actions/workflows/ci.yml?query=branch%3Amaster) page to the root directory (where the `docker-compose.yaml` exists) and extract files to folder `mongodb-datasource`
+* Download the packaged plugin `haohanyang-mongodb-datasource-<version>.zip` from [workflow artifacts](#download) to the root directory (where `docker-compose.yaml` exists) and extract files to folder `mongodb-datasource`
 
 ```bash
 unzip haohanyang-mongodb-datasource-<version>.zip -d mongodb-datasource