Implementing DevOps Solutions and Practices Using Cisco Platforms (DEVOPS)

Objectives

After taking this training, you should be able to:

• Describe the DevOps philosophy and practices, and how they apply to real-life challenges
• Explain container-based architectures and available tooling provided by Docker
• Describe application packaging into containers and start building secure container images
• Utilize container networking and deploy a three-tier network application
• Explain the concepts of Configuration Item (CI) pipelines and what tooling is available
• Implement a basic pipeline with Gitlab CI that builds and deploys applications
• Implement automated build testing and validation
• Describe DevOps principles applied to infrastructure
• Implement on-demand test environments and explain how to integrate them with an existing pipeline
• Implement tooling for metric and log collection, analysis, and alerting
• Describe the benefits of application health monitoring, telemetry, and chaos engineering in the context of improving the stability and reliability of the ecosystem
• Describe how to implement secure DevOps workflows by safely handling sensitive data and validating applications
• Explain design and operational concepts related to using a mix of public and private cloud deployments
• Describe modern application design and microservices architectures
• Describe the building blocks of Kubernetes and how to use its APIs to deploy an application
• Explain advanced Kubernetes deployment patterns and implement an automated pipeline
• Explain how monitoring, logging, and visibility concepts apply to Kubernetes

Prerequisites

Before taking this training, you should have the following knowledge and skills:

• Basic programming language concepts and familiarity with Python
• Basic understanding of compute virtualization
• Ability to use Linux, text-driven interfaces, and CLI tools, such as Secure Shell (SSH), bash, grep, ip, vim/nano, curl, ping, traceroute, and telnet
• Foundational understanding of Linux-based OS architecture and system utilities
• CCNA® level core networking knowledge
• Foundational understanding of DevOps concepts
• Awareness and familiarity with continuous integration, continuous deployment, and continuous delivery CI/CD) concepts
• Hands-on experience with Git

The following Cisco trainings can help you gain the knowledge you need to prepare for this training:

• Developing Applications and Automating Workflows Using Cisco Core Platforms (DEVASC)
• Developing Applications Using Cisco Core Platforms and APIs (DEVCOR)

Lab outline

• Interact with GitLab Continuous Integration (CI)
• Explore Docker Command-Line Tools
• Package and Run a WebApp Container
• Build and Deploy Multiple Containers to Create a Three-Tier Application
• Explore Docker Networking
• Build and Deploy an Application Using Docker Compose
• Implement a Pipeline in Gitlab CI
• Automate the Deployment of an Application
• Validate the Application Build Process
• Validate the Deployment and Fix the Infrastructure
• Build a Yaml Ain’t Markup Language (YAML) Infrastructure as Code (IaC) Specification for the Test Environment
• Manage On-Demand Test Environments with Terraform
• Build Ansible Playbooks to Manage Infrastructure
• Integrate the Testing Environment in the CI/CD Pipeline
• Implement Pre-deployment Health Checks
• Set Up Logging for the Application Servers and Visualize with Kibana
• Create System Dashboard Focused on Metrics
• Use Alerts Through Kibana
• Instrument Application Monitoring
• Use Alerts and Thresholds to Notify Webhook Listener and Cisco Webex® Teams™ Rooms
• Secure Infrastructure in the CI/CD Pipeline
• Explore Kubernetes Setup and Deploy an Application
• Explore and Modify a Kubernetes CI/CD Pipeline
• Kubernetes Monitoring and Metrics—Elasticsearch, Logstash, and Kibana (ELK)