Merge pull request #31 from olzkh/master

Added new guide "Control-tower customisation"

_posts/2024-05-28-control-tower-customisation.md

@@ -0,0 +1,80 @@
+---
+title:  Control-tower customisation
+author: User
+date: 2024-05-28 12:00:00 +0800
+categories: [Performance, Tutorial]
+tags: [carrier, cloud, instance-type, configuration]
+render_with_liquid: false
+---
+
+## Overview
+
+This guide outlines the steps required to change the instance type in Carrier's Control Tower, allowing for customization of resources to meet various performance and cost needs.
+
+### Prerequisites
+
+Before proceeding, ensure you have:
+
+- Access to Carrier's GitHub repository.
+- Administrative access to the Carrier installation platform.
+
+### Step-by-Step Instructions
+
+#### Step 1: Download Control Tower Configuration
+
+Begin by downloading the latest `control-tower.zip` package from the official [Carrier repository](https://github.com/carrier-io/control_tower/blob/master/package/control-tower.zip).
+ ![Download from git](/assets/posts_img/download_from_git.png)
+
+#### Step 2: Extract the Package
+
+After downloading, extract the `control-tower.zip` to a new folder. Once extraction is complete, delete the ZIP file to clean up your workspace.
+
+![Download and Extract](/assets/posts_img/unzip_file.png)
+
+#### Step 3: Modify Instance Type Configuration
+
+1. Navigate to the extracted `control-tower` folder, then to the `\control_tower\cloud` directory.
+![Navigate to folder](/assets/posts_img/navigate_to_folder.png)
+2. Open the `aws.py` file and locate line 34.
+3. Modify the `"InstanceType"` attribute to one of the following, depending on your requirements:
+   - `t2.medium`
+   - `t2.large`
+   - `t2.xlarge`
+   - `m5.large`
+   - `m5.xlarge`
+   - `m5.2xlarge`
+   - `m5.4xlarge`
+   - `m5.8xlarge`
+   - `m5.12xlarge`
+
+![Modify Instance Type](/assets/posts_img/aws_py.png)
+
+#### Step 4: Repackage the Control Tower
+
+Zip the `control-tower` folder again after making the necessary changes, preparing it for upload.
+ ![Compress to ZIP](/assets/posts_img/compress_to_zip.png)
+#### Step 5: Upload Modified Package
+
+1. Navigate to the Carrier configuration portal at `https://${CARRIER_HOST}/-/configuration/artifacts/`.
+2. Click **tasks**.
+![Click tasks](/assets/posts_img/click_tasks.png)
+3. Drag and drop the new `control-tower.zip` file into the appropriate section to upload it.
+
+![Upload Configuration](/assets/posts_img/Drag_and_Drop.png)
+
+#### Step 6: Deploy Changes
+
+Deploy the new configuration through the Carrier portal to apply the changes.
+
+#### Step 7: Run Your Tests
+
+After deployment, run your tests to validate that the new instance type settings are functioning correctly.
+
+ > You can use this [Carrier guide](https://getcarrier.io/posts/backend-test-configuration/#overview) to config yor first backend test
+{: .prompt-info }
+
+### Conclusion
+
+By following these steps, you have successfully customized the instance type used by Carrier's Control Tower. This adjustment can lead to better performance and cost management based on your specific needs.
+
+For further customization or troubleshooting, refer to the Carrier documentation or contact support.