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Setup GitHub repository onboarding with Harness IDP

Create an end-to-end GitHub repository onboarding setup using Harness IDP workflows and pipelines.

This tutorial shows you how to create a self-service GitHub repository onboarding workflow using Harness IDP. The workflow allows developers to create and configure new GitHub repositories automatically through a simple UI form interface. This eliminates manual repository setup and ensures consistency across all projects.

Goals of the workflow

By the end of this tutorial, you will have a working workflow that delivers:

  • Automated Repository Creation: New GitHub repositories are created instantly with proper configuration

  • Automated Creation of Branch and Files: New branches and files are created and pushed to the repository automatically without any manual intervention.

  • Security Best Practices: Branch protection rules are automatically applied to enforce code reviews

  • CI/CD Integration: Webhooks are configured to trigger automated pipelines on specific changes

  • Self-Service Experience: Developers can create repositories without platform team intervention

Workflow components

The GitHub repository onboarding workflow consists of two main components that work together:

1. Harness pipeline

This orchestration pipeline contains all the automation logic and executes the actual repository creation steps. This Harness IDP pipeline serves as the orchestration backend for our GitHub repository onboarding workflow. Think of it as the engine that powers the automation - when a developer fills out the workflow form (the UI part), this pipeline executes all the technical steps needed to create and configure a GitHub repository.

2. Harness IDP workflow

The Workflow provides a user-friendly interface where developers input the following details and can create a repository without any intervention and runs the above orchestration pipeline in backend to execute the final actions of the Workflow. The Workflow includes validation to ensure proper input format and triggers the above pipeline execution to ensure all the steps are executed successfully.

The following input details are required for the Workflow:

  • Repository name and description

  • GitHub organization

  • Feature branch name

Before you begin

  • Harness IDP enabled for your Account: Ensure you have access to Harness with the Internal Developer Portal (IDP) module enabled.

  • GitHub Connector: A GitHub connector must be set up and configured to authenticate with your GitHub organization. This connector is used by the CreateRepo and DirectPush steps to interact with GitHub APIs securely. Go to GitHub Connector to learn more.

  • GitHub PAT Token: A Personal Access Token (PAT) with appropriate permissions (repo, admin:repo_hook, admin:org_hook) is needed for GitHub API operations. The pipeline uses this token in the Run steps to execute GitHub API calls for branch creation, branch protection setup, and webhook configuration. Go to GitHub PAT to learn more.

  • Workflow YAML & Harness IDP Pipeline configuration: Basic familiarity with Workflow YAML syntax and Harness pipeline configuration is recommended. Understanding YAML structure helps in configuring pipeline variables and step parameters correctly. Go to Workflow YAML and Harness IDP Pipeline to learn more.

Create the GitHub repository onboarding pipeline

This Harness IDP pipeline serves as the orchestration backend for our GitHub repository onboarding workflow. In this section, we will go through all the steps required to develop this orchestration pipeline for this Workflow.

Pipeline design

Steps involved in this Pipeline:

The following steps will be executed in this pipeline:

  • Step 1: Create a new GitHub repository with proper configuration

  • Step 2: Set up a feature branch for development

  • Step 3: Create a directory

  • Step 4: Create standard project files

  • Step 5: Push the files to the feature branch

  • Step 6: Configure branch protection rules for security

  • Step 7: Set up webhooks for CI/CD integration

Pipeline Execution:

The pipeline is triggered automatically when a developer submits the IDP workflow form. The workflow acts as the user interface, collecting input parameters, while this pipeline handles the backend automation. For more detailed information about Harness IDP pipelines, refer to the Harness IDP Pipeline Documentation.

Get started

Let us walk through setting up this pipeline step by step:

Step 1: Create a new pipeline

  1. Navigate to your Harness project.

  2. Go to Pipelines in the left sidebar from Harness IDP.

  3. Click + Create a Pipeline

  4. Choose Inline pipeline creation

  5. Enter the following details:

    • Name: GitHub Repository Onboarding

    • Description: Automated GitHub repository creation and configuration pipeline

Create a New Pipeline

Step 2: Add a developer portal stage

Once you are inside the pipeline editor:

  • Click + Add Stage.

  • Select Developer Portal as the stage type. This opens a stage configuration screen with four tabs: Overview, Infrastructure, Execution, and Advanced.

Here’s what you’ll do in each tab:

1. Overview

Give your stage a name (for example, GitHub Repo Onboarding). You can also add a brief description to explain what this stage handles, such as generating code and registering the service.

2. Infrastructure

Next, choose where the pipeline should run.

  • If you want a simple setup, go with Harness Cloud Infrastructure.

  • If you prefer running the scripts in your own environment (like Kubernetes or a Docker runner), choose a custom delegate.

3. Execution

This is where you will define the main orchestration logic for the pipeline. You can add execution steps directly in this section.

You don’t need to configure this yet; we’ll walk through each of these steps in the next section.

Advanced (optional)

You can leave this tab as-is unless you need to configure timeouts or failure handling. This is optional.

Set Up Developer Portal Stage in Harness Developer Portal

Step 3: Configure pipeline variables

Pipeline variables are essential components that make your pipeline reusable and dynamic. These variables serve as inputs to the onboarding pipeline; some will come from the developer via the workflow form, while others are fixed or derived values used internally by the pipeline.

Pipeline Variables:

These variables are used in the GitHub Repository Onboarding pipeline for our Workflow:

Variable Name
Type
Source
Description
Example Value

repo_name

String

User Input

Name of the repository to create

my-awesome-project

org_name

String

User Input

GitHub organization name

my-organization

repo_branch_name

String

User Input

Feature branch name for initial development

feature/initial-setup

token

Secret

Fixed

GitHub personal access token for API operations

account.github-token

webhook_url

String

Fixed

Webhook URL for CI/CD integration

https://app.harness.io/gateway/...

repo_desc (Optional)

String

User Input

Repository description

A new project created via IDP

Pipeline Variables Input Types:

In Harness pipelines, every variable is assigned one of the following types, based on how its value is provided or resolved during execution:

  1. Fixed - These values are hardcoded in the pipeline definition and remain constant for every run.

  2. Runtime Input - These values are left as <+input> and are filled in by the developer through the IDP Workflow form when the onboarding process is triggered.

  3. Expression - These values are computed dynamically during pipeline execution using expressions. They may reference other variables, pipeline context, or system values.

These variables will be referenced in your pipeline steps using the <+pipeline.variables.variable_name> syntax, and they ensure flexibility while keeping your pipeline reusable across multiple onboarding requests. Go to Variables & Expressions to learn more.

Runtime Inputs in our Workflow:

In our GitHub Repository Onboarding workflow, most of the pipeline variables are configured as runtime inputs (<+input>) because they originate from user inputs collected through the IDP workflow form.

When a developer executes the workflow, they provide specific details like repository name, organization name, branch name, and webhook URL through the user interface. These user-provided values are then passed to the pipeline as runtime inputs, making each pipeline execution unique and tailored to the developer's requirements. Only the GitHub token remains as a fixed secret value since it is pre-configured in Harness for security purposes.

Configuring Pipeline Variables:

Follow these steps to add the required pipeline variables:

  1. Navigate to the Variables tab in your pipeline editor.

  2. For each variable, set the Type and Description

  3. In the Value field, enter <+input> for user-provided values

  4. For secrets, reference the secret name (e.g., account.github-token)

  5. Mark variables as Required if they are essential for pipeline execution

FIXED VALUES

Note that token and webhook_url are fixed values since they are pre-configured. Provide the value of webhook_url in the variable input as a fixed value. For token configuration, select the variable type as secret and configure the secret from your secret manager. Check out the interactive guide below for detailed steps.

Add Variables and Secrets in Harness

Step 1: Create repository

Purpose: This pipeline step creates a new GitHub repository in the specified organization with the provided repository name and description.

This step will do the following:

  • Create a new GitHub repository in the specified organization

  • Set up the repository with the provided name and description

Prerequisites for this Step:

  • GitHub connector configured in Harness with proper authentication. Go to GitHub Connector to learn more.

  • GitHub organization access with repository creation permissions.

  • Pipeline variables configured (repo_name, org_name, repo_desc)

Step Creation Instructions:

  1. In the IDP stage, click + Add Step.

  2. Select CreateRepo from the step library. A CreateRepo step is used to create a repository with the preferred Git provider. Go to Create Repo Step to learn more about its configuration.

  3. Configure the step:

    • Step Name: Create Repository

    • Identifier: create_repo

    • Description: Creates a new GitHub repository with specified configuration

  4. Configure Repository Settings:

    • Git Provider: Select Third-party Git Provider

    • Connector Type: Select Github

    • Repository Type: Select public (or private based on your requirements)

    • Codebase Repo Connector: Choose your configured GitHub connector (e.g., account.your_github_connector)

    • Organization: <+pipeline.variables.org_name> (since this is a user input, simply paste the variable reference here to pass the Workflow input here as a variable)

    • Repository: <+pipeline.variables.repo_name> (since this is a user input, simply paste the variable reference here to pass the Workflow input here as a variable)

    • Description: <+pipeline.variables.repo_desc>

    • Default Branch: main

  5. Advanced Settings (Optional):

    • Initialize with README: Leave unchecked (we will create our own)

    • Add .gitignore: Leave unchecked (we will create a custom one)

    • Add License: Leave unchecked

Configure CreateRepo Step in Harness Pipeline

Step 2: Create feature branch

Purpose: This step creates a feature branch from the main branch for initial development work and it runs a custom script to do the following:

  • Retrieves the default branch information from the repository

  • Gets the SHA (commit hash) of the default branch

  • Creates a new feature branch pointing to the same commit

  • Provides a dedicated branch for initial file commits

Prerequisites for this Step:

  • Previous steps completed successfully

  • GitHub PAT token with repo permissions. Go to GitHub PAT to learn more.

  • Pipeline variables configured ( repo_branch_name, org_name, repo_name, token)

Step Creation Instructions:

  1. Add the Step:

    • Click + Add Step after the CreateRepo step

    • Select Run from the step library. A Run step is used here run scripts in a Pipeline. Go to Run Step Settings to learn more about the same.

  2. Configure Basic Settings:

    • Step Name: Create Feature Branch

    • Identifier: create_branch

    • Description: Creates a feature branch for initial development

  3. Configure Container Settings: Container Registry and Image ensure that the build environment has the binaries necessary to execute the commands that you want to run in this step. Go to Container Registry and Image to learn more.

    • Container Registry: Select your container registry connector (e.g., account.harnessImage)

    • Image: node:18 (provides curl and bash utilities)

    • Shell: Bash

  4. Configure the Script: This script automates the creation of a feature branch from the main branch using GitHub's REST API. Here is what it does:

    • Validates inputs: Ensures all required variables (branch name, owner, repo, token) are provided

    • Retrieves default branch: Gets the repository's default branch name (main/master)

    • Gets branch SHA: Fetches the commit hash of the default branch

    • Creates new branch: Uses GitHub API to create a new branch pointing to the same commit

    • Provides feedback: Confirms successful branch creation

Feature Branch Creation Script
Create the feature branch step configuration

Step 3: Create directory

Purpose: This step creates a project directory structure for organizing files before pushing to the repository.

  • Creates a directory with the repository name

  • Provides a workspace for file generation

  • Prepares the structure for the DirectPush step

Prerequisites for this Step:

  • Previous steps completed successfully

  • Pipeline variables configured (repo_name)

Step Creation Instructions:

  1. Add the Step:

    • Click + Add Step after the Create Feature Branch step

    • Select Run from the step library

  2. Configure Basic Settings:

    • Step Name: Create Directory

    • Identifier: create_directory

    • Description: Creates project directory structure

  3. Configure Container Settings:

    • Container Registry: Select your container registry connector

    • Image: node:18

    • Shell: Sh (simple shell commands)

  4. Configure the Script:

Create a directory step configuration

Step 4: Generate Project files

Purpose: This step creates standard project files to provide a consistent starting point for all repositories, it runs a custom script to do the following:

  • Creates a comprehensive README.md with project information

  • Generates a demo.yaml configuration file with project metadata

  • Creates a thorough .gitignore file covering common development artifacts

  • Provides a consistent starting point for all repositories

Prerequisites for this Step:

  • Directory created (Step 3 completed)

  • Pipeline variables configured (repo_name, repo_branch_name)

Step Creation Instructions:

  1. Add the Step:

    • Click + Add Step after the Create Directory step

    • Select Run from the step library

  2. Configure Basic Settings:

    • Step Name: Generate Project Files

    • Identifier: generate_files

    • Description: Creates standard project files (README, .gitignore, demo.yaml)

  3. Configure Container Settings:

    • Container Registry: Select your container registry connector

    • Image: node:18

    • Shell: Bash

  4. Configure the Script:

This script creates three essential project files that provide a standardized foundation for every repository. Here is what each part does:

Script Overview:

  • Sets up error handling with set -e to exit on any command failure

  • Creates README.md with project documentation template

  • Generates demo.yaml with project metadata and feature flags

  • Creates comprehensive .gitignore covering multiple development environments

  • Provides feedback on successful file creation

Complete Script

Complete Project Files Generation Script

Script Breakdown:

1. Environment Setup & Variables:

  • Sets bash error handling to exit on failures

  • Gets repository name from pipeline variables

2. README.md Creation:

  • Creates a comprehensive README with project name

  • Includes getting started instructions

README.md Creation Script

3. Demo Configuration File:

  • Creates a YAML configuration file with project metadata

  • Includes timestamp of creation

  • Documents the automated features enabled

Demo Configuration Creation Script

4. Comprehensive .gitignore:

  • Covers common dependency directories (Node.js, PHP, etc.)

  • Excludes build artifacts and compiled outputs

  • Ignores environment and configuration files

  • Excludes IDE-specific files and temporary files

  • Handles OS-specific files (macOS, Windows)

  • Covers logging and runtime data

  • Includes coverage reports and package manager files

.gitignore Creation Script

5. Success Confirmation:

Configure Generate Project Files Step in Harness Pipeline

Step 5: Push files to repository

Purpose: This step commits and pushes the generated files to the feature branch in the GitHub repository.

  • Commits all generated files to the feature branch

  • Pushes the initial project structure to GitHub

  • Makes the files available in the repository for development

  • Preserves the main branch for branch protection setup

Prerequisites for this Step:

  • Project files generated (Step 4 completed)

  • GitHub connector with push permissions. Go to GitHub Connector to learn more.

  • Pipeline variables configured (org_name, repo_name, repo_branch_name)

Step Creation Instructions:

  1. Add the Step:

    • Click + Add Step after the Generate Project Files step

    • Select DirectPush from the step library under "Git Repository Setup". This step will push all the generated files to the new feature branch. Go to Direct Push Step to learn more.

  2. Configure Basic Settings:

    • Step Name: Push Files to Repository

    • Identifier: push_files

    • Description: Commits and pushes generated files to the feature branch

  3. Configure Push Settings:

    • Connector Type: Select Github

    • Connector Reference: Choose your GitHub connector

    • Organization: <+pipeline.variables.org_name>

    • Repository: <+pipeline.variables.repo_name>

    • Code Directory: <+pipeline.variables.repo_name> (the directory containing the files)

    • Branch: <+pipeline.variables.repo_branch_name> (push to feature branch, not main)

  4. Advanced Settings:

    • Force Push: Leave unchecked (false)

    • Commit Message: You can customize or leave default

Configure Direct Push step

Step 6: Configure branch protection

Purpose: This step applies security rules to the main branch to enforce code review and CI/CD requirements.

  • Protects the main branch from direct pushes

  • Requires status checks to pass before merging

  • Enforces pull request reviews (1 approval required)

  • Requires code owner reviews when applicable

  • Applies rules to all users including administrators

Prerequisites for this Step:

  • Repository created with files pushed (Steps 1-5 completed)

  • GitHub PAT token with admin:repo_hook permissions

  • Pipeline variables configured (org_name, repo_name, token)

Step Creation Instructions:

  1. Add the Step:

    • Click + Add Step after the Push Files step.

    • Select Run from the step library.

  2. Configure Basic Settings:

    • Step Name: Configure Branch Protection

    • Identifier: branch_protection

    • Description: Sets up branch protection rules on the main branch

  3. Configure Container Settings:

    • Container Registry: Select your container registry connector

    • Image: node:18

    • Shell: Bash

  4. Configure the Script: This script configures branch protection rules on the main branch using GitHub's REST API to enforce security and code quality standards. Here is what each part does:

Script Overview:

  • Sets up error handling with set -e to exit on any command failure

  • Retrieves default branch information from the repository

  • Applies comprehensive protection rules via GitHub API

  • Validates successful configuration with HTTP status code checking

Complete Script:

Complete Branch Protection Script

Script Breakdown:

1. Environment Setup & Variables:

  • Sets bash error handling to exit on failures

  • Gets organization, repository name, and GitHub token from pipeline variables

2. Default Branch Detection:

  • Queries GitHub API to get repository information

  • Extracts the default branch name (usually main or master)

  • Confirms which branch will be protected

3. Branch Protection Configuration:

  • Required Status Checks: Enforces CI/CD pipeline success before merging

    • strict: true - Requires branches to be up-to-date before merging

    • contexts: ["ci/build", "ci/test"] - Specific checks that must pass

  • Admin Enforcement: Rules apply to repository administrators too

  • Pull Request Reviews: Mandatory code review process

    • dismiss_stale_reviews: true - Invalidates approvals when new commits are added

    • require_code_owner_reviews: true - Requires approval from code owners

    • required_approving_review_count: 1 - Minimum number of approvals needed

  • Restrictions: Set to null (no user/team restrictions)

Protection Rules API Call

4. Response Validation & Feedback:

  • Extracts HTTP status code from the API response

  • Success (200): Confirms protection rules and lists applied settings

  • Failure (non-200): Shows error details and exits with error code

Response Validation Script
Configure Branch Protection Step in Harness Pipeline

Step 7: Setup webhook

Purpose: This step configures a webhook to trigger CI/CD pipelines when code changes occur in the repository.

  • Verifies the repository is accessible and ready

  • Creates a webhook with comprehensive event coverage

  • Configures secure JSON payload delivery

  • Enables automatic CI/CD pipeline triggering

Prerequisites for this Step:

  • Repository fully configured (Steps 1-6 completed)

  • GitHub PAT token with admin:repo_hook permissions

  • Pipeline variables configured (org_name, repo_name, token, webhook_url)

  • Valid webhook URL endpoint

Ensure that the webhook_url variable is configured as a fixed value in the pipeline variables definition.

Step Creation Instructions:

  1. Add the Step:

    • Click + Add Step after the Configure Branch Protection step

    • Select Run from the step library

  2. Configure Basic Settings:

    • Step Name: Setup Webhook

    • Identifier: setup_webhook

    • Description: Configures webhook for CI/CD pipeline integration

  3. Configure Container Settings:

    • Container Registry: Select your container registry connector

    • Image: node:18

    • Shell: Bash

  4. Configure the Script: This script configures a webhook to automatically trigger CI/CD pipelines when code changes occur in the repository. Here is what each part does:

Complete Script:

Complete Webhook Setup Script

Script Breakdown:

1. Environment Setup & Variables:

  • Sets bash error handling to exit on failures

  • Gets all required variables from pipeline configuration

2. Repository Verification:

  • Queries GitHub API to confirm repository exists

  • Exits with error if repository is not found

  • Ensures webhook creation will not fail due to missing repository

3. Webhook Creation: Webhook Configuration Details:

  • Events Monitored: push, pull_request, release

  • Content Type: JSON for structured payload delivery

  • Security: SSL verification enabled (insecure_ssl: "0")

  • Status: Active webhook ready to trigger immediately

Webhook Configuration API Call

4. Response Validation & Feedback:

  • Success (201): Extracts webhook ID and confirms configuration

  • Failure (non-201): Provides specific troubleshooting guidance based on HTTP status code

  • Error Codes:

    • 422: Invalid webhook URL or configuration

    • 404: Repository not found or insufficient permissions

    • 403: Token lacks required webhook permissions

Response Handling Script
Webhook Setup Pipeline Step YAML

Pipeline YAML configuration

Below is the complete pipeline YAML configuration that you can copy and paste directly into your Harness pipeline. Make sure to replace the placeholder values with your specific configuration details.

Pipeline YAML Configuration

Pipeline completion

After completing all 7 steps, your pipeline will:

  1. ✅ Create Repository - New GitHub repo with proper configuration

  2. ✅ Create Feature Branch - Dedicated branch for initial development

  3. ✅ Create Directory - Organized workspace structure

  4. ✅ Generate Project Files - Standard README, .gitignore, and demo files

  5. ✅ Push Files - Initial project structure committed to feature branch

  6. ✅ Configure Branch Protection - Security rules enforced on main branch

  7. ✅ Setup Webhook - CI/CD integration enabled

Build the Harness IDP workflow

Now that we have created the pipeline, we need to create the IDP Workflow that will serve as the user interface. This workflow will collect input from developers and trigger our GitHub Repository Onboarding pipeline.

Before you begin

Before creating the workflow, ensure you have:

  • Pipeline Created: The GitHub Repository Onboarding pipeline must be created and saved.

  • Pipeline URL: Note down your pipeline URL for the workflow configuration.

  • Harness Account Access: Permissions to create workflows in your Harness project.

  • Project Details: Your account ID, organization ID, and project ID.

Workflow overview

🔤 Inputs Required:

  • Repository Information: Organization name, repository name, and description

  • Branch Configuration: Feature branch name for initial development

  • Authentication: Secure token handling for all Workflow requests (automatically generated)

⚡ Actions Performed:

  • Pipeline Triggering: Initiates the GitHub Repository Onboarding pipeline with user inputs

  • Parameter Mapping: Converts form inputs to pipeline variables seamlessly

📊 Outputs Provided:

  • Execution Tracking: Direct link to monitor pipeline progress in real-time

  • Status Updates: Immediate feedback on workflow submission and pipeline initiation

Create the workflow

Step 1: Navigate to IDP workflows

  1. Go to Harness IDP in your Harness account

  2. Navigate to Workflows in the left sidebar

  3. Click "Create Workflow" to start creating a new workflow

Step 2: Configure basic workflow settings

  1. Workflow Name: GitHub Repository Onboarding

  2. Identifier: GitHub_Repository_Onboarding

  3. Description: Self-service workflow for creating GitHub repositories with automated setup

  4. Owner: Set to your username or team

Step 3: Configure the workflow YAML

Use the following YAML configuration for your workflow:

Understand the workflow configuration

1️⃣ Input parameters section

The parameters section in the Workflow YAML defines the form fields that developers will fill out:

Required Fields:

  • orgName: GitHub organization where the repository will be created.

  • repoName: Name of the new repository.

  • branchName: Initial feature branch name.

Optional Fields:

  • repoDesc: Description for the repository

Authentication:

  • token: Harness API token for pipeline execution (automatically handled)

2️⃣ Steps section

The Workflow contains one main step:

trigger Step:

  • Purpose: Triggers the GitHub Repository Onboarding pipeline

  • Action: trigger:harness-custom-pipeline

  • Input Mapping: Maps input form parameters to pipeline variables

3️⃣ Output section

Pipeline Details Link:

  • Provides a direct link to view the pipeline execution

Workflow YAML configuration

Workflow YAML Configuration

Tutorial outcome

This tutorial creates a complete self-service GitHub repository onboarding system. Here is what happens when a developer uses your workflow:

🚀 Developer experience (in a nutshell)

  1. Developer Action: Fills out a simple form in Harness IDP with repository details

  2. Workflow Execution: Submits the form and receives immediate confirmation

  3. Pipeline Automation: 7-step pipeline executes automatically in the background

  4. Repository Ready: Fully configured repository appears in your GitHub organization

Automated outcomes in your GitHub organization

When the pipeline completes successfully, the following will be automatically created and configured in your GitHub organization:

Repository Structure:

  • ✅ New GitHub repository with the specified name and description

  • ✅ Feature branch created for initial development work

  • ✅ Standard project files generated and committed:

    • README.md with project documentation template

    • demo.yaml with project metadata and configuration

    • .gitignore with comprehensive exclusion rules

Security Configuration:

  • ✅ Branch protection rules applied to the main branch:

    • Requires pull request reviews (1 approval minimum)

    • Dismisses stale reviews when new commits are added

    • Requires code owner reviews when applicable

    • Enforces status checks (ci/build, ci/test) before merging

    • Applies rules to administrators as well

CI/CD Integration:

  • ✅ Webhook configured for automated pipeline triggering:

    • Monitors push, pull_request and release events

    • Sends JSON payloads to your specified webhook URL

End result

Developers can now create production-ready repositories in minutes instead of hours, with all security and CI/CD configurations applied automatically. The platform team maintains control over standards while enabling developer self-service at scale.

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