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Implementation Guide for Apache Tomcat
Pre-installation configurations
Before installing or upgrading to Cloud Native Unica, you should complete some configurations.

Implementation Guides
- Implementation Guide for Apache Tomcat
  - Docker, Kubernetes, and Helm
    In this release, we have implemented Cloud Native Unica using Docker, Kubernetes, and Helm.
  - ELK Overview
    The ELK Stack is a collection of three open-source products: Elasticsearch, Logstash, and Kibana.
  - Pre-installation configurations
    Before installing or upgrading to Cloud Native Unica, you should complete some configurations.
    - Avoiding timeout issues
      To avoid timeout issues, perform the following steps.
    - Application server setup
      Cloud Native Unica supports Apache Tomcat®, Red Hat® JBoss® Enterprise Application Platform (EAP), and Oracle® WebLogic Server application servers.
    - Database setup
      You need to set up the database before you begin installation.
    - Listener Database client setup
      To establish an ODBC connection to the database, the Campaign listener requires a database client.
    - Setting up the Cloud Native environment
      You must set up the Cloud Native environment before implementing Cloud Native Unica. The chart that you download uses Helm as a package manager for Kubernetes. The chart is a preconfigured application resource and it deploys Unica suite on a specified Kubernetes cluster. Extract the chart ZIP file to a location in the cloud VM, where you plan to deploy Unica. For reference purposes, this chart contains a placeholder for the database. Unica does not own the database and is not responsible for database management. If required, set a containerized database (the charts and subcharts folders are for reference) as a subchart to the Cloud Native Unica chart. You can use scripts to automate the restoration of database on a container.
    - Cloud Native Unica setup on SSL
      You can configure SSL on Cloud Native Unica setup at the ingress level.
  - Cloud Native Unica Helm release architecture
    The following is a diagrammatic representation of the Cloud Native Unica Helm release architecture:
  - Helm chart configuration
    Before you start the installation or upgrade of Cloud Native Unica, you should configure the appropriate configMap YAML files.
  - Installation and verifying the installation
  - Post installation configurations
    The following topics contain details about post installation configurations related to the products of Unica.
  - Migration of on-premises applications to Cloud Native Unica
  - Cloud Native Unica upgrade
    To upgrade an earlier version of Cloud Native Unica to a newer version, complete the following steps:
  - Scaling Unica containers
    Scaling a deployment ensures creation and scheduling of new Pods. Scaling increases the number of Pods to the new required state. Kubernetes also supports autoscaling of Pods.
  - Using Red Hat OpenShift
    You can use OpenShift to develop and runcontainerized applications. OpenShift allows applications, and the data centers that support them, to expand from just a few machines and applications to thousands of machines that serve millions of clients.
  - Deployment monitoring
    The Kubernetes Dashboard is a web-based user interface to monitor deployments.
  - Product utilities
    You can execute all the utilities of the Unica products in their assigned pods.
  - Using secret to avoid passwords in plain text
    To use a secret to avoid using passwords in plain text, complete the following steps:
  - Using AWS Secrets and Configuration Provider with Kubernetes Secret Store CSI Driver
    AWS Secrets Manager securely retrieves secrets from the AWS Secrets Manager for Amazon Elastic Kubernetes Service (Amazon EKS) Kubernetes pods.
  - FAQs and troubleshooting
    This section covers the frequently asked questions and troubleshooting issues.
  - Uninstalling the chart
  - Appendix: Description of Helm chart parameters
    The following topics contain description of the parameters present in the configMap YAML files:
- Implementation Guide for Red Hat JBoss Enterprise Application Platform
- Implementation Guide for Oracle WebLogic Server

Pre-installation configurations

Before installing or upgrading to Cloud Native Unica, you should complete some configurations.

The list of pre-installation or pre-upgrade configurations are as follows:

Configure the resources for containers. For more information, see Cloud Native Unica Support Matrix Guide.
Ensure that you have installed Docker Enterprise version 19.xx.x. For more information, see Docker documentation.
Ensure that you have installed Kubernetes. For more information, see Kubernetes documentation.
Verify if:
- you have configured a Kubernetes cluster.
- the Kubernetes environment has the appropriate image enforcement policy to allow access to the required repositories.
- the database is setup. For more information, see Database setup.
- the application server is setup. For more information, see Application server setup
Ensure that you have installed Helm. For more information, see Helm documentation.

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