Automate Genesys Cloud Infrastructure: Terraform Plan on PR and Apply on Merge

How-To-Articles
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Automate Genesys Cloud Infrastructure: Terraform Plan on PR and Apply on Merge

What You Will Build

  • A GitHub Actions pipeline that executes terraform plan on every pull request to validate infrastructure changes without applying them.
  • A workflow that executes terraform apply automatically when a pull request is merged into the main branch.
  • A secure authentication mechanism using Genesys Cloud OAuth2 Client Credentials flow to generate short-lived tokens for Terraform providers.

Prerequisites

  • GitHub Repository: A repository containing Terraform configuration files (.tf) for Genesys Cloud resources.
  • Genesys Cloud Organization: An admin account to create an OAuth2 Client.
  • OAuth2 Client: A “Public” or “Confidential” client registered in Genesys Cloud with the scope admin:infrastructure:write (or specific scopes like admin:users:write depending on your Terraform resources).
  • GitHub Secrets:
    • GENESYS_CLIENT_ID: The OAuth Client ID.
    • GENESYS_CLIENT_SECRET: The OAuth Client Secret.
    • GENESYS_REGION: The Genesys region (e.g., us-east-1, eu-west-1).
  • Terraform Version: 1.5+ installed in the GitHub Actions runner environment.
  • Provider: myntra/genesyscloud or genesys/genesyscloud (depending on the specific provider fork used in your versions.tf).

Authentication Setup

Genesys Cloud does not support static long-lived API keys for Terraform providers in a secure manner. The standard pattern is to generate a token at runtime using the Client Credentials flow. This ensures that the token expires after 1 hour, reducing the blast radius if a token is leaked.

We will create a shell script to handle the token generation. This script will be called by the GitHub Actions workflow before Terraform initializes.

Create a file named get-token.sh in your repository root:

#!/bin/bash

# Exit immediately if a command exits with a non-zero status.
set -e

# Check for required environment variables
if [ -z "$GENESYS_CLIENT_ID" ] || [ -z "$GENESYS_CLIENT_SECRET" ] || [ -z "$GENESYS_REGION" ]; then
  echo "Error: Missing required environment variables GENESYS_CLIENT_ID, GENESYS_CLIENT_SECRET, or GENESYS_REGION"
  exit 1
fi

# Determine the OAuth endpoint based on region
if [ "$GENESYS_REGION" == "us-east-1" ]; then
  OAUTH_ENDPOINT="https://api.mypurecloud.com"
elif [ "$GENESYS_REGION" == "eu-west-1" ]; then
  OAUTH_ENDPOINT="https://api.eu.pure.cloud"
elif [ "$GENESYS_REGION" == "ap-southeast-2" ]; then
  OAUTH_ENDPOINT="https://api.au.pure.cloud"
else
  OAUTH_ENDPOINT="https://api.mypurecloud.com"
fi

echo "Requesting OAuth token from ${OAUTH_ENDPOINT}..."

# Request the token
TOKEN_RESPONSE=$(curl -s -X POST "${OAUTH_ENDPOINT}/oauth/token" \
  -H "Content-Type: application/x-www-form-urlencoded" \
  -d "grant_type=client_credentials" \
  -d "client_id=${GENESYS_CLIENT_ID}" \
  -d "client_secret=${GENESYS_CLIENT_SECRET}")

# Extract the access token using jq (installed in GitHub Actions runners)
ACCESS_TOKEN=$(echo "$TOKEN_RESPONSE" | jq -r '.access_token')

# Verify token extraction was successful
if [ -z "$ACCESS_TOKEN" ] || [ "$ACCESS_TOKEN" == "null" ]; then
  echo "Error: Failed to retrieve access token. Response:"
  echo "$TOKEN_RESPONSE"
  exit 1
fi

# Export the token for use by subsequent steps
export GENESYS_ACCESS_TOKEN="$ACCESS_TOKEN"

echo "OAuth token retrieved successfully."

Make the script executable locally, though GitHub Actions will handle permissions. In your Terraform provider configuration (main.tf), reference the environment variable:

provider "genesyscloud" {
  access_token = var.genesys_access_token
  region       = var.genesys_region
}

And in your variables.tf:

variable "genesys_access_token" {
  description = "Genesys Cloud OAuth Access Token"
  type        = string
  sensitive   = true
}

variable "genesys_region" {
  description = "Genesys Cloud Region"
  type        = string
  default     = "us-east-1"
}

Implementation

Step 1: Define the GitHub Actions Workflow Structure

Create a new file at .github/workflows/terraform-genesis.yml. This file defines two distinct jobs: one for planning (triggered on PRs) and one for applying (triggered on merges to main).

The workflow uses actions/checkout to fetch code and hashicorp/setup-terraform to install the Terraform binary. Crucially, it uses the actions/cache to store the .terraform directory and state files, ensuring faster initialization and consistent state locking behavior.

name: Genesys Cloud Terraform CI/CD

on:
  pull_request:
    branches: [ main ]
    paths:
      - '**.tf'
      - '.github/workflows/terraform-genesis.yml'
  push:
    branches: [ main ]
    paths:
      - '**.tf'
      - '.github/workflows/terraform-genesis.yml'

env:
  TF_IN_AUTOMATION: 1
  GENESYS_REGION: ${{ secrets.GENESYS_REGION }}

jobs:
  terraform-plan:
    name: Terraform Plan
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request'
    steps:
      - name: Checkout Code
        uses: actions/checkout@v4

      - name: Setup Terraform
        uses: hashicorp/setup-terraform@v3
        with:
          terraform_version: 1.5.0

      - name: Generate Genesys Token
        id: gen-token
        run: |
          chmod +x get-token.sh
          export GENESYS_ACCESS_TOKEN=$(/bin/bash get-token.sh)
          echo "::add-mask::$GENESYS_ACCESS_TOKEN"
          echo "GENESYS_ACCESS_TOKEN=$GENESYS_ACCESS_TOKEN" >> $GITHUB_ENV

      - name: Terraform Init
        run: terraform init -backend-config="bucket=${{ secrets.S3_BUCKET_NAME }}" -backend-config="key=genesys/terraform.tfstate" -backend-config="region=${{ secrets.AWS_REGION }}"

      - name: Terraform Plan
        id: plan
        run: |
          terraform plan -var="genesys_access_token=${{ env.GENESYS_ACCESS_TOKEN }}" \
                         -var="genesys_region=${{ env.GENESYS_REGION }}" \
                         -out=tfplan
        continue-on-error: true

      - name: Save Plan Output
        if: always()
        run: |
          mkdir -p plan-output
          terraform show -json tfplan > plan-output/plan.json
          cat plan-output/plan.json

      - name: Post Plan Summary
        if: always()
        run: |
          echo "## Terraform Plan Summary" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo '```json' >> $GITHUB_STEP_SUMMARY
          cat plan-output/plan.json | jq '.resource_changes' >> $GITHUB_STEP_SUMMARY
          echo '```' >> $GITHUB_STEP_SUMMARY

  terraform-apply:
    name: Terraform Apply
    runs-on: ubuntu-latest
    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
    needs: terraform-plan
    steps:
      - name: Checkout Code
        uses: actions/checkout@v4

      - name: Setup Terraform
        uses: hashicorp/setup-terraform@v3
        with:
          terraform_version: 1.5.0

      - name: Generate Genesys Token
        id: gen-token
        run: |
          chmod +x get-token.sh
          export GENESYS_ACCESS_TOKEN=$(/bin/bash get-token.sh)
          echo "::add-mask::$GENESYS_ACCESS_TOKEN"
          echo "GENESYS_ACCESS_TOKEN=$GENESYS_ACCESS_TOKEN" >> $GITHUB_ENV

      - name: Terraform Init
        run: terraform init -backend-config="bucket=${{ secrets.S3_BUCKET_NAME }}" -backend-config="key=genesys/terraform.tfstate" -backend-config="region=${{ secrets.AWS_REGION }}"

      - name: Terraform Apply
        run: |
          terraform apply -var="genesys_access_token=${{ env.GENESYS_ACCESS_TOKEN }}" \
                          -var="genesys_region=${{ env.GENESYS_REGION }}" \
                          -auto-approve -input=false

Step 2: Configure Remote State Backend

Terraform requires a remote state backend for team collaboration and state locking. AWS S3 with DynamoDB is the industry standard. You must configure this in your backend.tf or pass it via CLI arguments as shown in the workflow above.

If you prefer defining the backend in code, use backend.tf:

terraform {
  backend "s3" {
    bucket         = "my-genesis-terraform-state"
    key            = "genesys/terraform.tfstate"
    region         = "us-east-1"
    dynamodb_table = "terraform-locks"
    encrypt        = true
  }
}

Note that the GitHub Actions workflow passes -backend-config arguments. This allows you to keep the S3 bucket name and AWS region in GitHub Secrets rather than hardcoding them in the repository. This is a critical security practice.

Step 3: Handle State Locking and Concurrency

Genesys Cloud APIs have rate limits. If multiple pipelines run simultaneously, you may encounter 429 Too Many Requests errors. The hashicorp/setup-terraform action does not handle rate limiting automatically. You must rely on the DynamoDB lock to prevent concurrent apply operations.

However, plan operations are read-only and can run in parallel. The workflow above ensures apply only runs on push to main, and plan only runs on pull requests. This naturally serializes the apply operations.

To handle potential transient 429 errors during the apply phase, you can configure the Genesys Cloud provider to retry requests. Add this to your provider block:

provider "genesyscloud" {
  access_token = var.genesys_access_token
  region       = var.genesys_region
  
  # Provider-specific retry configuration if supported by the specific provider version
  # Note: The official genesys/genesyscloud provider handles retries internally.
  # If you encounter 429s, ensure your OAuth client has sufficient rate limit capacity.
}

Complete Working Example

Below is the complete set of files required to run this pipeline.

1. main.tf

terraform {
  required_version = ">= 1.5.0"
  required_providers {
    genesyscloud = {
      source  = "genesys/genesyscloud"
      version = "~> 1.0.0"
    }
  }
}

provider "genesyscloud" {
  access_token = var.genesys_access_token
  region       = var.genesys_region
}

# Example Resource: Create a Queue
resource "genesyscloud_routing_queue" "support_queue" {
  name        = "Terraform Support Queue"
  description = "Managed by Terraform"
  enabled     = true
  
  wrap_up_policy {
    type = "OPTIONAL"
  }
  
  outbound_email {
    enabled = false
  }
  
  acd_skill {
    enabled = true
  }
}

2. variables.tf

variable "genesys_access_token" {
  description = "Genesys Cloud OAuth Access Token"
  type        = string
  sensitive   = true
}

variable "genesys_region" {
  description = "Genesys Cloud Region"
  type        = string
  default     = "us-east-1"
}

3. outputs.tf

output "queue_id" {
  value       = genesyscloud_routing_queue.support_queue.id
  description = "The ID of the created queue"
}

4. .github/workflows/terraform-genesis.yml

(See the full YAML block in Step 1 above).

5. get-token.sh

(See the full Bash script in the Authentication Setup section above).

Common Errors & Debugging

Error: 401 Unauthorized

Cause: The OAuth token is invalid, expired, or missing scopes.
Fix:

  1. Verify that GENESYS_CLIENT_ID and GENESYS_CLIENT_SECRET are correctly set in GitHub Secrets.
  2. Check the Genesys Cloud Admin console to ensure the OAuth Client is active.
  3. Ensure the OAuth Client has the necessary scopes. For creating queues, you need admin:infrastructure:write. For users, you need admin:users:write.
  4. Inspect the get-token.sh output in the GitHub Actions logs. If the token request fails, the script will print the error response.

Error: 403 Forbidden

Cause: The OAuth Client lacks permissions to perform the specific action, or the user associated with the client does not have the required roles.
Fix:

  1. In Genesys Cloud, navigate to Admin > Platform > OAuth2 Clients.
  2. Edit the client and verify the “Scopes” section.
  3. Ensure the user linked to the OAuth Client has the “System Administrator” or specific “Infrastructure Administrator” role.

Error: 429 Too Many Requests

Cause: Genesys Cloud API rate limits have been exceeded. This is common during terraform apply when creating many resources.
Fix:

  1. The Genesys Cloud Terraform provider includes built-in retry logic for 429 errors. However, if you are creating hundreds of resources, consider breaking them into smaller modules.
  2. Increase the rate limit capacity of your OAuth Client in the Genesys Cloud Admin console if you have an enterprise agreement that allows it.
  3. Add a sleep command between resource creation blocks if you are using custom scripts, though Terraform handles this internally.

Error: State Lock Timeout

Cause: Another process is holding the DynamoDB lock.
Fix:

  1. Check if another GitHub Actions run is in progress.
  2. If the lock is stale, you may need to manually release it using terraform force-unlock <LOCK_ID>.
  3. Ensure that only one apply operation runs at a time. The workflow configuration prevents this by only allowing apply on push to main.

Official References