Set up to host the semantic-reranker plugin in the root

.github/CODEOWNERS

@@ -0,0 +1,2 @@
+# This should match the owning team set up in https://github.com/orgs/opensearch-project/teams
+*   @opensearch-project/search-request-processor-team

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,31 @@
+---
+name: 🐛 Bug report
+about: Create a report to help us improve
+title: '[BUG]'
+labels: 'bug, untriaged'
+assignees: ''
+---
+
+**What is the bug?**
+A clear and concise description of the bug.
+
+**How can one reproduce the bug?**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**What is the expected behavior?**
+A clear and concise description of what you expected to happen.
+
+**What is your host/environment?**
+ - OS: [e.g. iOS]
+ - Version [e.g. 22]
+ - Plugins
+
+**Do you have any screenshots?**
+If applicable, add screenshots to help explain your problem.
+
+**Do you have any additional context?**
+Add any other context about the problem.

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,7 @@
+contact_links:
+  - name: OpenSearch Community Support
+    url: https://discuss.opendistrocommunity.dev/
+    about: Please ask and answer questions here.
+  - name: AWS/Amazon Security
+    url: https://aws.amazon.com/security/vulnerability-reporting/
+    about: Please report security vulnerabilities here.

.github/ISSUE_TEMPLATE/documentation-issue.md

@@ -0,0 +1,11 @@
+**Is your feature request related to a problem?**
+A new feature has been added.
+
+**What solution would you like?**
+Document the usage of the new feature.
+
+**What alternatives have you considered?**
+N/A
+
+**Do you have any additional context?**
+See please 

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,18 @@
+---
+name: 🎆 Feature request
+about: Request a feature in this project
+title: '[FEATURE]'
+labels: 'enhancement, untriaged'
+assignees: ''
+---
+**Is your feature request related to a problem?**
+A clear and concise description of what the problem is, e.g. _I'm always frustrated when [...]_
+
+**What solution would you like?**
+A clear and concise description of what you want to happen.
+
+**What alternatives have you considered?**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Do you have any additional context?**
+Add any other context or screenshots about the feature request here.

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,15 @@
+### Description
+[Describe what this change achieves]
+
+### Issues Resolved
+[List any issues this PR will resolve]
+
+### Check List
+- [ ] New functionality includes testing.
+  - [ ] All tests pass
+- [ ] New functionality has been documented.
+  - [ ] New functionality has javadoc added
+- [ ] Commits are signed as per the DCO using --signoff 
+
+By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
+For more information on following Developer Certificate of Origin and signing off your commits, please check [here](https://github.com/opensearch-project/k-NN/blob/main/CONTRIBUTING.md#developer-certificate-of-origin).

.github/draft-release-notes-config.yml

@@ -0,0 +1,40 @@
+# The overall template of the release notes
+template: |
+  Compatible with OpenSearch (**set version here**).
+  $CHANGES
+
+# Setting the formatting and sorting for the release notes body
+name-template: Version (set version here)
+change-template: '* $TITLE (#$NUMBER)'
+sort-by: merged_at
+sort-direction: ascending
+replacers:
+  - search: '##'
+    replace: '###'
+
+# Organizing the tagged PRs into categories
+categories:
+  - title: 'Breaking Changes'
+    labels:
+      - 'Breaking Changes'
+  - title: 'Features'
+    labels:
+      - 'Features'
+  - title: 'Enhancements'
+    labels:
+      - 'Enhancements'
+  - title: 'Bug Fixes'
+    labels:
+      - 'Bug Fixes'
+  - title: 'Infrastructure'
+    labels:
+      - 'Infrastructure'
+  - title: 'Documentation'
+    labels:
+      - 'Documentation'
+  - title: 'Maintenance'
+    labels:
+      - 'Maintenance'
+  - title: 'Refactoring'
+    labels:
+      - 'Refactoring'

.github/workflows/CI.yml

@@ -0,0 +1,63 @@
+name: Build & Test Search Request Processor
+on:
+  schedule:
+    - cron: '0 0 * * *'  # every night
+  push:
+    branches:
+      - "*"
+      - "feature/**"
+  pull_request:
+    branches:
+      - "*"
+      - "feature/**"
+
+jobs:
+  Build-search-request-processor:
+    strategy:
+      matrix:
+        java: [11, 17]
+        os: [ubuntu-latest, macos-latest] # want to get the build running first; fixing windows build after- windows-latest]
+
+    name: Build and Test Search Request Processor Plugin
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - name: Checkout Search Request Processor
+        uses: actions/checkout@v1
+
+      - name: Setup Java ${{ matrix.java }}
+        uses: actions/setup-java@v1
+        with:
+          java-version: ${{ matrix.java }}
+
+      - name: Run build
+        run: |
+          ./gradlew build
+
+      - name: Upload Coverage Report
+        if: startsWith(matrix.os,'ubuntu')
+        uses: codecov/codecov-action@v1
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+
+#  Build-search-request-processor-Windows:
+#    strategy:
+#      matrix:
+#        java: [ 11, 17 ]
+#
+#    name: Build and Test Search Request Processor Plugin on Windows
+#    runs-on: windows-latest
+
+#    steps:
+#      - name: Checkout Search Request Processor
+#        uses: actions/checkout@v1
+
+#      - name: Setup Java ${{ matrix.java }}
+#        uses: actions/setup-java@v1
+#        with:
+#          java-version: ${{ matrix.java }}
+#
+#      - name: Run build
+#        run: |
+#          ./gradlew.bat build
+

.github/workflows/backport.yml

@@ -0,0 +1,28 @@
+name: Backport
+on:
+  pull_request_target:
+    types:
+      - closed
+      - labeled
+
+jobs:
+  backport:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: write
+    name: Backport
+    steps:
+      - name: GitHub App token
+        id: github_app_token
+        uses: tibdex/github-app-token@v1.5.0
+        with:
+          app_id: ${{ secrets.APP_ID }}
+          private_key: ${{ secrets.APP_PRIVATE_KEY }}
+          installation_id: 22958780
+
+      - name: Backport
+        uses: VachaShah/backport@v1.1.4
+        with:
+          github_token: ${{ steps.github_app_token.outputs.token }}
+          branch_name: backport/backport-${{ github.event.number }}

.github/workflows/backwards_compatibility_tests_workflow.yml

@@ -0,0 +1,69 @@
+name: Backwards Compatibility Tests Search Request Processor
+on:
+  push:
+    branches:
+      - "*"
+      - "feature/**"
+  pull_request:
+    branches:
+      - "*"
+      - "feature/**"
+
+jobs:
+  Restart-Upgrade-BWCTests-k-NN:
+    strategy:
+      matrix:
+        java: [ 11, 17 ]
+        bwc_version : [ "2.4.0" ]
+        opensearch_version : [ "3.0.0-SNAPSHOT" ]
+
+    name: SRP Restart-Upgrade BWC Tests
+    runs-on: ubuntu-latest
+    env:
+      BWC_VERSION_RESTART_UPGRADE: ${{ matrix.bwc_version }}
+
+    steps:
+      - name: Checkout SRP
+        uses: actions/checkout@v1
+
+      - name: Setup Java ${{ matrix.java }}
+        uses: actions/setup-java@v1
+        with:
+          java-version: ${{ matrix.java }}
+
+# Comments intentional; these workflow scripts are copied from k-NN and we are reverse engineering them; missing qa directory fails the workflow here
+#      - name: Run SRP Restart-Upgrade BWC Tests from BWCVersion-${{ matrix.bwc_version }} to OpenSearch Version-${{ matrix.opensearch_version }}
+#        run: |
+#          echo "Running restart-upgrade backwards compatibility tests ..."
+#          ./gradlew :qa:restart-upgrade:testRestartUpgrade -Dtests.bwc.version=$BWC_VERSION_RESTART_UPGRADE
+
+
+  Rolling-Upgrade-BWCTests-SRP:
+    strategy:
+      matrix:
+        java: [ 11, 17 ]
+        bwc_version: [ "2.4.0" ]
+        opensearch_version: [ "3.0.0-SNAPSHOT" ]
+
+    name: SRP Rolling-Upgrade BWC Tests
+    runs-on: ubuntu-latest
+    env:
+      BWC_VERSION_ROLLING_UPGRADE: ${{ matrix.bwc_version }}
+
+    steps:
+      - name: Checkout SRP
+        uses: actions/checkout@v1
+
+      - name: Setup Java ${{ matrix.java }}
+        uses: actions/setup-java@v1
+        with:
+          java-version: ${{ matrix.java }}
+
+#      - name: Install dependencies
+#        run: |
+#          sudo apt-get install libopenblas-dev gfortran -y
+
+#      - name: Run SRP Rolling-Upgrade BWC Tests from BWCVersion-${{ matrix.bwc_version }} to OpenSearch Version-${{ matrix.opensearch_version }}
+#        run: |
+#          echo "Running rolling-upgrade backwards compatibility tests ..."
+#          ./gradlew :qa:rolling-upgrade:testRollingUpgrade -Dtests.bwc.version=$BWC_VERSION_ROLLING_UPGRADE

.github/workflows/create-documentation-issue.yml

@@ -0,0 +1,41 @@
+name: Create Documentation Issue
+on:
+  pull_request:
+    types:
+      - labeled
+env:
+  PR_NUMBER: ${{ github.event.number }}
+
+jobs:
+  create-issue:
+    if: ${{ github.event.label.name == 'needs-documentation' }}
+    runs-on: ubuntu-latest
+    name: Create Documentation Issue
+    steps:
+      - name: GitHub App token
+        id: github_app_token
+        uses: tibdex/github-app-token@v1.5.0
+        with:
+          app_id: ${{ secrets.APP_ID }}
+          private_key: ${{ secrets.APP_PRIVATE_KEY }}
+          installation_id: 22958780
+
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Edit the issue template
+        run: |
+          echo "https://github.com/opensearch-project/k-NN/pull/${{ env.PR_NUMBER }}." >> ./.github/ISSUE_TEMPLATE/documentation-issue.md
+
+      - name: Create Issue From File
+        id: create-issue
+        uses: peter-evans/create-issue-from-file@v4
+        with:
+          title: Add documentation related to new feature
+          content-filepath: ./.github/ISSUE_TEMPLATE/documentation-issue.md
+          labels: documentation
+          repository: opensearch-project/documentation-website
+          token: ${{ steps.github_app_token.outputs.token }}
+
+      - name: Print Issue
+        run: echo Created related documentation issue ${{ steps.create-issue.outputs.issue-number }}

semantic-reranker/.github/workflows/dco.yml → .github/workflows/dco.yml

@@ -15,4 +15,4 @@ jobs:
       - name: DCO Check
         uses: tim-actions/dco@v1.1.0
         with:
-          commits: ${{ steps.get-pr-commits.outputs.commits }}
+          commits: ${{ steps.get-pr-commits.outputs.commits }}

.github/workflows/delete_backport_branch.yml

@@ -0,0 +1,15 @@
+name: Delete merged branch of the backport PRs
+on: 
+  pull_request:
+    types:
+      - closed
+
+jobs:
+  delete-branch:
+    runs-on: ubuntu-latest
+    if: startsWith(github.event.pull_request.head.ref,'backport-')
+    steps:
+      - name: Delete merged branch
+        uses: SvanBoxel/delete-merged-branch@main
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/draft-release-notes-workflow.yml

@@ -0,0 +1,20 @@
+name: Release Drafter
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  update_release_draft:
+    name: Update draft release notes
+    runs-on: ubuntu-latest
+    steps:
+      - name: Update draft release notes
+        uses: release-drafter/release-drafter@v5
+        with:
+          config-name: draft-release-notes-config.yml
+          name: Version (set here)
+          tag: (None)
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}