Remove non OSS features and tests that checks any ES clusters != 7.X

.github/ISSUE_TEMPLATE/bug_template.md

@@ -0,0 +1,33 @@
+---
+name: 🐛 Bug report
+about: Create a report to help us improve
+title: "[BUG]"
+labels: 'bug, untriaged, beta'
+assignees: ''
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Plugins**
+Please list all plugins currently enabled.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Host/Environment (please complete the following information):**
+ - OS: [e.g. iOS]
+ - Version [e.g. 22]
+
+**Additional context**
+Add any other context about the problem here.

.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/feature_request_template.md

@@ -0,0 +1,19 @@
+---
+name: 🎆 Feature request
+about: Suggest an idea for this project
+title: ''
+labels: enhancement
+assignees: ''
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.github/ISSUE_TEMPLATE/proposal.md

@@ -0,0 +1,31 @@
+<!--
+Welcome to the OpenSearch project! 👋🎉
+
+- Please search for existing issues to avoid creating duplicate bugs/feature requests.
+- Please be respectful and considerate of others when commenting on issues.
+- Please provide as much information as possible so we all understand the issue.
+- If you only have a question, you may get a faster response by asking in the forum.
+    TODO: Add forum link here
+    (but please don't double post)
+-->
+
+## Requirement - what kind of business use case are you trying to solve?
+
+<!-- required section -->
+
+## Problem - what blocks you from solving the requirement?
+
+<!-- required section -->
+<!-- If possible, describe the impact of the problem. -->
+
+## Proposal - what do you suggest to solve the problem or improve the existing situation?
+
+<!-- It's ok if you don't have one. -->
+
+## Assumptions - are there certain things you assume the user is doing before this?
+
+<!-- It's ok if you don't have one. -->
+
+## Any open questions to address
+
+<!-- Questions that should be answered before proceeding with implementation. -->

.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 documentation 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/OpenSearch/blob/main/CONTRIBUTING.md#developer-certificate-of-origin).

.github/workflows/ci.yml

@@ -0,0 +1,34 @@
+name: Build and Test logstash-output-opensearch plugin
+on:
+  push:
+    branches:
+      - "*"
+  pull_request:
+    branches:
+      - "*"
+
+jobs:
+  Build:
+    name: Build and Test logstash-output-opensearch
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout plugin
+        uses: actions/checkout@v1
+
+      - name: Build and pull docker files
+        env:
+          OPENDISTRO_VERSION: "1.13.2"
+          LOGSTASH_VERSION: "7.13.2"
+        run: |
+          ./scripts/docker-setup.sh
+
+      - name: Run unit tests
+        run: |
+          ./scripts/docker-run.sh
+
+      - name: Run integration tests
+        env:
+          INTEGRATION: true
+        run: |
+          ./scripts/docker-run.sh

.gitignore

@@ -13,3 +13,5 @@ vendor/
 /spec/fixtures/server.key
 /spec/fixtures/server.crt
 /lib/logstash/outputs/elasticsearch/templates/ecs-v*
+*.iml
+/.idea/

ADMINS.md

@@ -0,0 +1,29 @@
+## Overview
+
+This document explains who the admins are (see below), what they do in this repo, and how they should be doing it. If you're interested in becoming a maintainer, see [MAINTAINERS](MAINTAINERS.md). If you're interested in contributing, see [CONTRIBUTING](CONTRIBUTING.md).
+
+## Current Admins
+
+| Admin                    | GitHub ID                               | Affiliation |
+| -------------------------| --------------------------------------- | ----------- |
+| Charlotte                | [CEHENKLE](https://github.com/CEHENKLE) | Amazon |
+| Henri Yandell            | [hyandell](https://github.com/hyandell) | Amazon      |
+
+
+## Admin Responsibilities
+
+As an admin you own stewartship of the repository and its settings. Admins have [admin-level permissions on a repository](https://docs.github.com/en/organizations/managing-access-to-your-organizations-repositories/repository-permission-levels-for-an-organization). Use those privileges to serve the community and protect the repository as follows.
+
+### Prioritize Security
+
+Security is your number one priority. Manage security keys and safeguard access to the repository.
+
+Note that this repository is monitored and supported 24/7 by Amazon Security, see [Reporting a Vulnerability](SECURITY.md) for details.
+
+### Enforce Code of Conduct
+
+Act on [CODE_OF_CONDUCT](CODE_OF_CONDUCT.md) violations by revoking access, and blocking malicious actors.
+
+### Adopt Organizational Best Practices
+
+Adopt organizational best practices, work in the open, and collaborate with other admins by opening issues before making process changes. Prefer consistency, and avoid diverging from practices in the opensearch-project organization.