TOSCA

Overview

TOSCA (Topology and Orchestration Specification for Cloud Applications) is a standard language for modeling cloud applications. It defines how application components (nodes) and their relationships are structured in a topology template. Each component is described using reusable node types, specifying properties, requirements, and capabilities. Relationships show how components connect or depend on each other. Policies enforce rules like scaling or security. TOSCA also supports plans to automate deployment and lifecycle management. This approach enables portability, automation, and consistent management of cloud applications across different environments.

TOSCA (Topology and Orchestration Specification for Cloud Applications) is an open standard designed to describe cloud applications and services in a structured, portable way. It models applications as a topology template, which includes various nodes representing components like servers, databases, and software modules, along with the relationships between these nodes showing how they interact or depend on one another.

Each node is based on a node type that defines its properties (configuration settings), capabilities (what it can do or offer), and requirements (what it needs to function). Relationship types describe how nodes are linked, such as hosting or connectivity relationships.

TOSCA allows defining policies that apply constraints or behaviors, such as auto-scaling rules or security requirements, ensuring the application operates reliably under changing conditions.

Beyond modeling, TOSCA includes plans or workflows that automate the deployment, scaling, upgrade, and teardown of applications, enabling seamless lifecycle management.

By using TOSCA, developers and operators can achieve greater portability and interoperability of cloud applications, reducing vendor lock-in and simplifying complex multi-cloud or hybrid cloud environments.

Curriculum

1. Introduction to TOSCA

   • What is TOSCA?

   • Importance and benefits of TOSCA in cloud orchestration

   • Overview of cloud application lifecycle management

2. Core Concepts of TOSCA

   • Topology Templates

   • Node Types, Relationship Types

   • Properties, Capabilities, and Requirements

   • Policies and Constraints

   • Plans and Workflows

3. TOSCA Modeling Language

   • YAML basics for TOSCA templates

   • Defining node types and relationship types

   • Writing topology templates

   • Adding policies and constraints

4. TOSCA Orchestration

   • Understanding orchestration workflows

   • Deployment and management plans

   • Automated lifecycle management

5. TOSCA Tools and Platforms

   • Overview of TOSCA-compliant tools (e.g., OpenTOSCA, Alien4Cloud)

   • Hands-on with TOSCA editors and orchestrators

6. Hands-on Labs

   • Creating simple TOSCA templates

   • Defining nodes and relationships

   • Deploying sample cloud applications using TOSCA plans

   • Applying policies and managing scaling

7. Advanced Topics

   • Extending TOSCA models with custom types

   • Multi-cloud and hybrid cloud orchestration

   • Integrating TOSCA with CI/CD pipelines

   • Troubleshooting and best practices

8. Project / Capstone

   • Design and implement a complete cloud application using TOSCA

   • Automate deployment and management with workflows

Course Schedule

Mentorian  offer various modes of training to cater to different learning preferences:

• Offline Classroom Training: In-person sessions conducted at training centers.

• Online Live Sessions: Real-time interactive classes conducted over the internet.