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NLB-7299: NginxaaS cost analysis tool for standardv3 plan #1470

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NLB-7299: NginxaaS cost analysis tool for standardv3 plan
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NLB-7299: Cleanedup code to remove print statements
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94 changes: 94 additions & 0 deletions content/nginxaas-azure/billing/usage-and-cost-estimator.md
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Expand Up @@ -145,3 +145,97 @@ Max(
</div>
<script type="module" src="/nginxaas-azure/js/cost-calculator_v2.js"></script>
{{< /raw-html >}}

<h2>Cost Analysis Tool for Standard V3 Plan</h2>

<h3>Overview</h3>

The NGINXaaS for Azure cost analysis tool provides a detailed hourly cost breakdown of your NGINXaaS deployment usage for each component (NCU, WAF, Ports, Data). It fetches real-time metrics directly from Azure Monitor and calculates costs based on actual usage.

<h3>Prerequisites</h3>

Before using the cost analysis script:

1. **Python 3.7+** installed on your system
2. **pip3** (Python package manager) installed
3. **Azure SDK for Python** installed:

```bash
pip3 install azure-identity azure-mgmt-monitor
```

4. **NGINXaaS for Azure deployment on Standard V3 Plan** with monitoring enabled
5. **Azure AD Tenant ID** (required for authentication)
6. **Monitoring Reader permissions** on your NGINXaaS resource

<h4>Setting up Azure Permissions</h4>

<strong>Get Tenant ID:</strong>

1. Go to Azure Portal → Microsoft Entra ID → Overview
2. Copy the <strong>Tenant ID</strong>

<strong>Grant Access:</strong>

1. Go to your NGINX resource → Access control (IAM) → Add role assignment
2. Role: <strong>Monitoring Reader</strong> → Assign to your user account

<h3>Download and Usage</h3>

#### Download Script

{{<icon "download">}} {{<link "/scripts/nginxaas_cost_analysis.py" "Download nginxaas_cost_analysis.py script">}}

#### Basic Usage

Run the script with the required parameters:

```bash
python3 nginxaas_cost_analysis.py \
--resource-id "/subscriptions/xxx/resourceGroups/my-rg/providers/Nginx.NginxPlus/nginxDeployments/my-nginx" \
--location "eastus2" \
--date-range "2025-11-18T00:00:00Z/2025-11-19T23:59:59Z" \
--tenant-id "your-tenant-id" \
--output "my-cost-analysis.csv"
```

#### Required Parameters

| Parameter | Description | Example |
|-------------------|---------------------------------------------|----------------------------------------------|
| `--resource-id` | Azure resource ID of NGINXaaS deployment | `/subscriptions/.../my-nginx` |
| `--location` | Azure region for pricing tier | `eastus2`, `westus2` |
| `--date-range` | Analysis period (max 30 days) | `2025-11-18T00:00:00Z/2025-11-19T23:59:59Z` |
| `--tenant-id` | Azure AD Tenant ID (required for login) | `12345678-1234-...` |
| `--output` | Output CSV filename (optional) | `my-cost-analysis.csv` |

#### Sample Output

{{< details "View sample output" >}}

```
Cost breakdown exported to nginxaas_cost_breakdown.csv
Summary: 96 hours, Total cost: $71.66
Cost analysis completed successfully!
```

{{< /details >}}

<h3>Understanding the Results</h3>

<h4>Cost Components</h4>

- **Fixed costs**: Fixed deployment cost (varies by region and WAF usage)
- **NCU costs**: Variable costs based on actual NCU consumption
- **WAF costs**: Additional costs when Web Application Firewall is enabled
- **Port costs**: Additional costs for listen ports beyond the first 5
- **Data processing**: Costs for data processed ($0.005/GB across all regions)

<h3>Additional Billing Resources</h3>

For comprehensive billing information and cost planning, refer to these additional resources:

- **[Usage and Cost Estimator]({{< relref "usage-and-cost-estimator.md" >}})**: Interactive tool for planning and estimating costs before deployment
- **[Billing Overview]({{< relref "overview.md" >}})**: Complete billing model explanation and pricing details

This cost analysis tool helps you understand your actual NGINX for Azure spending by analyzing real usage metrics, enabling you to optimize costs and plan future deployments effectively.
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