Infoworks Rollback from Azure Kubernetes Service (AKS) 5.4.0 to 5.3.1

Prerequisites

• Before executing the rollback script, ensure that IW_HOME variable is set.
• Assuming Infoworks home directory is /opt/infoworks, run the below command to set the IW_HOME variable.
• Validate that the version of the old chart is 5.4.0.

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export IW_HOME=/opt/infoworks

• Ensure the current deployment’s chart is present in /opt/infoworks.
• Execute the below command to check the appVersion.

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cat $IW_HOME/iw-k8s-installer/infoworks/Chart.yaml | grep appVersion

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appVersion: 5.4.0

Rollback Instructions

NOTE Since IW_HOME has been exported in the Prerequisites section mentioned above, the following steps can be executed from any location for users with read/write access to the aforementioned IW_HOME.

Step 1: Download the rollback script.

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wget https://iw-saas-setup.s3.us-west-2.amazonaws.com/5.4/rollback-k8s.sh

Step 2: Place the Update script in the same directory as that of the existing iw-k8s-installer.

Step 3: Ensure you have permission to the $IW_HOME directory.

Step 4: Give executable permission to the rollback script using the below command.

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chmod +x rollback-k8s.sh

Step 5: Run the script.

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./rollback-k8s.sh -v 5.3.1

Step 6: You will receive the following prompt, "Enter N to skip running the above command to upgrade the helm deployment. (timeout: 30 seconds): ", type Y and press Enter.

NOTE If you want to run helm upgrade manually, then type N and press Enter.

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Enter N to skip running the above command to upgrade the helm deployment. (timeout: 30 seconds): Y

NOTE There is a 30-second timeout set to abandon the deployment of the downgraded version. If no input is received within the timeout duration, the deployment is triggered.