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0_Azure/1_AzureData/1_Databases/demos/11_enablingAutoscaleIOPSmySQL/AutoscaleMultiple-IOPS.md

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+# Autoscale IOPS for multiple Azure MySQL Flexible Server
+
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+[![GitHub](https://img.shields.io/badge/--181717?logo=github&logoColor=ffffff)](https://github.com/)
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+Last updated: 2025-05-09
+
+----------
+
+> Using [Python 3.7+](https://www.python.org/downloads/source/)
+
+> [!NOTE]
+>  Enable Autoscale IOPS via REST API, as now this is the only way to automate enabling Autoscale IOPS since, Azure CLI and PowerShell do not support this setting yet.
+
+> [!IMPORTANT]
+> Autoscale IOPS is `only available` for the `General Purpose` and `Business Critical tiers`. `Burstable tier` (B-series) servers (e.g., B1ms) `do not support autoscale IOPS`.
+
+## Pre-requisites
+
+- Install azure-identity with: `py -m pip install azure-identity requests`
+
+    <img width="550" alt="image" src="https://github.com/user-attachments/assets/fa74f47c-bef2-4ad3-8b0f-2ee50813c486" />
+
+-  [Install Azure CLI](https://learn.microsoft.com/en-us/cli/azure/install-azure-cli) to work with both Terraform and Azure commands.
+
+    <img width="550" alt="image" src="https://github.com/user-attachments/assets/3f552ecc-8e07-453a-9655-8bb5a89e1791" />
+
+## By Resource Group
+
+> - Automatically retrieves your **Azure subscription ID** using the Azure CLI. <br/>
+> - Prompts you only for the **resource group name**. <br/>
+> - Lists all MySQL Flexible Servers in that resource group. <br/>
+> - Sends a `PATCH request`` to enable `autoIoScaling` for each server using the `Azure REST API`
+
+1. Make sure you're logged in: `az login`
+
+
+## Across a Subscription
+
+> You can also enable autoscale IOPS across an entire subscription, it requires: <br/>
+> - Listing all MySQL Flexible Servers in the subscription. <br/>
+> - For each server, retrieving its resource group.  <br/>
+> - Applying the update if the server is in a supported tier (General Purpose or Business Critical).  <br/>
+
+## Azure CLI Script to Enable Autoscale IOPS 
+
+> [!NOTE]
+> The script below will execute: <br/>
+> - Using Python 3.13.3  <br/>
+> - Checks if Azure CLI is available at the specified path.  <br/>
+> - Lists all MySQL Flexible Servers. <br/>
+> - Tries to get each server’s resource group. <br/>
+> - If the resource group is missing, it prompts you to enter it. <br/>
+> - Asks for confirmation before enabling autoscale IOPS. <br/>
+
+```python
+import subprocess
+import json
+
+# Step 1: Get list of MySQL Flexible Servers
+servers_output = subprocess.check_output(
+    ["az", "mysql", "flexible-server", "list", "--query", "[].name", "-o", "tsv"],
+    text=True
+)
+servers = servers_output.strip().splitlines()
+
+# Step 2: Loop through each server and enable autoscale IOPS
+for server in servers:
+    # Get the resource group for the server
+    rg_output = subprocess.check_output(
+        ["az", "mysql", "flexible-server", "show", "--name", server, "--query", "resourceGroup", "-o", "tsv"],
+        text=True
+    )
+    resource_group = rg_output.strip()
+
+    print(f"Enabling autoscale IOPS for {server} in {resource_group}...")
+
+    # Update the server to enable autoscale IOPS
+    subprocess.run([
+        "az", "mysql", "flexible-server", "update",
+        "--name", server,
+        "--resource-group", resource_group,
+        "--iops", "Auto"
+    ])
+```
+
+## How to execute it Azure CLI Script to Enable Autoscale IOPS
+
+1. Download [the script](./enable_autoscale_iops.py) to your local machine or a cloud shell environment.
+2. Make sure you're logged in: `az login`
+4. Run the script: `py enable_autoscale_iops.py`
+
+> Example: enabling Autoscale IOPS on three different servers, each hosted in a separate resource group but under the same subscription.
+
+<img width="550" alt="image" src="https://github.com/user-attachments/assets/22aa763d-b358-441a-b5b9-aa0197ce680d" />
+
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