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MettleCI For DevOps - Technical Prerequisites

Owned by John McKeever
Last updated: Jul 27, 2023 by Justin McCamish
2 min read

Introduction

This section describes the hardware, software, and network configuration that needs to be in place before MettleCI can be deployed and configured in your environment.

See also Rapid DataStage Upgrade - Technical Prerequisites for a description of the Rapid DataStage Upgrade technical pre-requisites for MettleCI.

MettleCI Platform Components

The following high-level MettleCI architecture shows the key software components to be installed, and their communications between hosts. 

In-scope Hosts

  • Developer's Workstation: Where the Windows DataStage Designer client is typically run

  • Application Lifecycle Management Tools: One or more hosts running Work Item Management, Git, and Build services

  • Information Server Development Environment: Your development instance of Information Server, which may be deployed in any topology, and on any number of hosts.

  • Other Information Server Environment(s): Downstream Information Server environments, including testing and (optionally) Production.  These environments can be MettleCI deployment targets without requiring the deployment of any MettleCI components. 

  • MettleCI Agent Host: A MettleCI-dedicated Windows server hosting an IBM DataStage Client tier which is used by your Build system's agent, in conjunction with the MettleCI Command Line Interface, to automate build and deployment activities.

NOTE

  • MettleCI works with all Information Server deployment topologies, including High Availability, Grid, and Cluster environments, For clarity, this diagram shows each tier residing on its own, dedicated host.

  • Application Lifecycle Management components can be co-hosted with the other tools on the MettleCI Host or located on another host (on-premise, cloud or SaaS).

Connections

  1. The MettleCI Workbench application running on your DataStage Engine tier needs to performs a commit to your Git platform.

  2. The MettleCI Workbench application running on your DataStage Engine tier needs to perform a dynamic lookup of Work items when displaying the Git Commit page.

  3. The Developer Workstation provides data engineers with access to the ALM tools' user interfaces via a supported web browser.  This should cover...

    1. the Git host, 

    2. the Work item Management host, and

    3. the Build Host

  4. The Developer Workstation requires regular DataStage client tier access to the development environment's ...

    1. DataStage Engine tier, and

    2. DataStage Services tier.

  5. Optional link based on your requirements.  

  6. Your Build system performs its duties via its agent installed on the MettleCI Host

  7. The MettleCI Host requires regular access to the development environment's ...

    1. DataStage Engine tier, and

    2. DataStage Services tier

  8. The MettleCI Host requires regular access to the downstream test environments' DataStage Engine and Services tiers, to affect automated deployment.

See also

 

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