DevStack: Learn OpenStack by Running OpenStack

This document discusses DevStack, a tool that allows developers to quickly set up an OpenStack development environment in a virtual machine. It begins with an overview of OpenStack architecture and the need for an easy development environment. It then introduces DevStack, an open source script that automates the installation of OpenStack components inside a VM to provide a "Cloud in a Box" for development and testing. The document concludes with a demonstration of using DevStack to deploy OpenStack and explore its dashboard, images, flavors, and instance creation capabilities.

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OpenStack DevStack Tutorial

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Developing with-devstack

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DevStack is a documented shell script that builds complete OpenStack development environments by installing and configuring services like Glance, Horizon, Keystone, Nova, Quantum, Swift, and others. It uses files like localrc to override variables, stackrc for repository and image settings, and stack.sh to orchestrate the installation. Developers can modify code in /opt/stack, restart services, and test changes by viewing logs in screen sessions to iteratively develop and debug OpenStack.

OpenStack in 10 minutes with Devstack

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The best way to understand the cloud, is to have one of your own to kick around, poke, break, fix, and see what it looks like when it's running. In OpenStack we've got a whole project called Devstack which is designed to quickly bootstrap the latest git versions of all the OpenStack components and create an experimentation friendly OpenStack environment. This talk will introduce Devstack, how to get a running OpenStack with it, and how one might begin making changes and seeing them in action. We'll explore a few of the major OpenStack services, see what's going on, all with the intent to explain what OpenStack is by seeing not only the interface, but the internals at work. Presented at LinuxCon NA 2014

This document provides an overview of how to set up OpenStack using DevStack in 2 hours. It discusses installing VirtualBox and Vagrant, setting up a Vagrantfile to define and configure VMs, installing DevStack which deploys OpenStack services onto the VMs, and using localrc to customize the OpenStack deployment. The document then demonstrates how to launch and interact with the OpenStack environment to deploy and manage resources.

Dev stacklabguide

This document provides instructions for a hands-on lab to install and configure DevStack, an OpenStack cloud software toolkit, on an Ubuntu virtual machine. The lab guide outlines 9 tasks to: 1) bring up an Ubuntu VM, 2) install DevStack from the stable Kilo branch, 3) access the DevStack Horizon dashboard, 4) configure a demo tenant network, 5) configure a demo tenant router, 6) create a demo tenant instance, 7) add access rules to ping and SSH to the instance, 8) add a floating IP for the instance, and 9) celebrate the successful completion of the lab. Setup instructions are provided for deploying the Ubuntu VM on VMware or VirtualBox virtualization software.

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Docker in OpenStack

Thanassis Parathyras

Docker allows developers and sysadmins to build, ship, and run distributed applications. OpenStack supports Docker through the nova Docker driver and Heat Docker plugin. The nova driver implements the OpenStack API to launch and manage Docker containers, while the Heat plugin allows defining Docker containers in orchestration templates. Considerations for Docker in OpenStack include containers being better suited for some use cases than VMs, and lack of full integration between Docker and some OpenStack services like Cinder and Neutron.

Running Docker with OpenStack | Docker workshop #1

The document discusses new features in the upcoming Havana release of OpenStack Nova that will allow it to deploy and manage containers using Docker instead of just virtual machines. Specifically, it provides instructions for using DevStack to install and test Docker support in Nova, such as cloning the DevStack repository, setting the VIRT_DRIVER variable to Docker, running Docker install and test scripts, launching a Docker container as a Nova instance, and pushing public Docker images to Glance.

Devstack On Demand

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[Open infra] how to calculate the cloud system operating rate

Nalee Jang

This document provides information on how to calculate the cloud system operating rate, including: - It discusses OpenStack and Kubernetes, and how to find an efficient virtualization ratio for OpenStack by calculating the number of virtual machines that can be created based on hardware specifications and flavor types. - It also covers how to calculate the cloud operating ratio by considering core functions like OpenStack live migration, necessary core items, and finding the ratio based on hardware and workload.

OpenStack - Docker - Rackspace HQ

This document discusses Docker integration with OpenStack. It summarizes that the Docker driver for Nova was accepted in Havana, the Docker plugin for Heat was accepted for Icehouse, and Docker support was added to Devstack. It also discusses running the Tempest test suite in a Docker container to test an OpenStack install provisioned by Devstack. The document provides examples of building a Docker image containing Devstack and running it, as well as applying Heat orchestration to launch a compute instance and Docker container.

State of Containers in OpenStack

The document discusses various OpenStack projects that are focused on containers. It describes projects like Nova-docker and Heat-docker that allow managing containers alongside virtual machines in OpenStack. It also covers container orchestration engines (COEs) running on infrastructure provided by Magnum, and application catalogs for containers provided by projects like Murano and Solum. Overall, the document provides an overview of the different ways containers are integrated and managed within the OpenStack cloud platform.

Kubernetes 101 Workshop

Vishal Biyani

This document provides an overview and agenda for a hands-on Kubernetes 101 workshop hosted by Vishal Biyani from InfraCloud technologies. The 180-minute workshop includes introductions, conceptual overviews of Kubernetes components like pods and deployments, demonstrations of setting up a Kubernetes cluster on Google Cloud and the local machine, and hands-on labs for working with pods, deployments, services, secrets and Helm. The goal is to help attendees gain practical experience with common Kubernetes patterns, architectures, and tools.

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The document discusses software defined storage based on OpenStack. It provides background on the author's experience including medical image processing and OpenStack development. It then describes key OpenStack storage components including Cinder for block storage, Swift for object storage, and Manila for shared file systems. Cinder uses plugins to support different backend storage types and utilizes a scheduler to determine which host to provision volumes. Swift uses a ring hashing algorithm to partition and replicate data across multiple storage nodes for high scalability and availability.

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The Docker Toolbox installs several components to allow users to run Docker on their Mac systems without running a Linux VM directly. It includes the Docker client, Docker Machine, Docker Compose, Docker Kitematic, and Oracle VirtualBox. Docker Machine is used to create and connect to a lightweight Linux VM hosted by VirtualBox where the Docker daemon runs. This allows users to work with Docker images and containers without having to manage a separate Linux environment.

Kubernetes

Venkata Naga Ravi

Kubernetes is an open-source system for managing containerized applications across multiple hosts. It groups related containers into pods that are scheduled together on the same host. Key components include the master node for managing the cluster, minion nodes for hosting pods, and kubelet software for running pods and managing containers. Pods allow tight coupling of related containers, while labels provide loose organization of cooperating pods.

Continuous integration with Docker and Ansible

Dmytro Slupytskyi

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Many facets of using an IaaS cloud like OpenNebula can be greatly simplified by using a configuration management tool such as Puppet. This includes the management of hosts as well as the management of cloud resources such as virtual machines and networks. Of course, Puppet can also play an important role in the management of the actual workload of virtual machine instances. Besides using it in the traditional, purely agent-based way, it is also possible to use Puppet during the building of machine images. This serves two purposes: firstly, it speeds up the initial Puppet run when an instance is launched off that image, sometimes quite dramatically. Secondly, it supports operating immutable infrastructure without losing Puppet’s benefits to organize and simplify the description of the entire infrastructure. This talk will show how Puppet can be used by adminsitrators to manage OpenNebula hosts, and by users to manage their infrastructure as well as how to use Puppet during image builds.

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This document provides an overview and comparison of Docker, Kubernetes, OpenShift, Fabric8, and Jube container technologies. It discusses key concepts like containers, images, and Dockerfiles. It explains how Kubernetes provides horizontal scaling of Docker through replication controllers and services. OpenShift builds on Kubernetes to provide a platform as a service with routing, multi-tenancy, and a build/deploy pipeline. Fabric8 and Jube add additional functionality for developers, with tools, libraries, logging, and pure Java Kubernetes implementations respectively.

Devstack lab guide

This document provides instructions for a hands-on lab to install and configure DevStack, an OpenStack cloud software stack, on an Ubuntu virtual machine. It outlines 9 tasks to: 1) bring up the Ubuntu VM; 2) install DevStack from the stable Kilo branch; 3) bring up the DevStack Horizon dashboard; 4) configure a demo tenant network; 5) configure a demo tenant router; 6) configure a demo tenant instance; 7) add access rules to allow pinging and SSHing to the instance; 8) add a floating IP for the instance; and 9) celebrate the successful completion of the lab. Setup instructions are provided for using either VMware or VirtualBox virtualization software.

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The document discusses empowering students, called "Digital Natives", through the use of technology tools. It argues that Digital Natives learn best through engaging tools like games and need access to powerful computers and software. It calls on educational policymakers to provide Digital Natives with 1:1 computing, robust educational software, and game-based learning tools to develop 21st century skills beyond what teachers can provide.

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This document provides an introduction to OpenStack, an open-source cloud operating system. It begins by defining OpenStack as a set of tools for building public or private clouds, then describes its key components like compute, storage, networking, and identity services. The document compares OpenStack to AWS, noting similarities and differences in their virtual machine, storage, networking, security, and orchestration services. It also outlines when OpenStack may be better suited than AWS, such as for organizations with specific hardware requirements. Finally, it briefly introduces DevOps tools like Chef, Puppet, and Ansible that can be used to automate operations on OpenStack clouds.

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This document provides an overview of OpenStack. It begins with session goals of making the audience familiar with OpenStack, its community and architecture. It then covers the history, terminology, services, architecture, installation methods and risks. Key components discussed include Nova (compute), Neutron (networking), Cinder (block storage), Swift (object storage), Glance (image repository), Keystone (identity), Horizon (dashboard) and Heat (orchestration). The document provides details on each component and the OpenStack project timeline.

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OpenStack is an open source software project that provides tools to build public and private clouds using standard hardware. It includes modules for compute (provisioning virtual machines), object storage (storing and retrieving objects), and an image service. The OpenStack community aims to produce an ubiquitous open source cloud platform that is simple to implement and massively scalable for both public and private cloud providers.

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This presentation provides an introduction to OpenStack Quantum, the network connectivity component of OpenStack. It discusses what Quantum is, why it was created, its high-level architecture, current project status, and some additional details. Quantum provides virtual networking and network connectivity as a service for OpenStack compute instances. It aims to address limitations of the earlier nova-network component and provide more flexible network configuration and advanced networking capabilities.

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The Ubuntu Openstack ecosystem is growing fast. This is good news. But as the options in cloud building grow, so does the task of ensuring interoperability between all the components. At Canonical we have deep experience of conformity and interoperability testing between OpenStack and Ubuntu. To bring this to the wider ecosystem we’ve opened a lab dedicated to testing components’ interoperability. We want to be able to present a wide a range of validated and supportable technical solutions. The talk will present the OIL describe how and why Canonical creates it and how to benefit from it.

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Ansible is a Configuration Management System that is very simple to use, because of its straightforward and robust model for managing automation and it’s low barrier to entry for ease of use in both development and production. During OpenStack development, Ansible can be used in conjunction with Vagrant and Devstack to manage complex, multi-node development environments with relative ease. In this presentation, Juergen Brendel and David Lapsley review Ansible and provide some sample playbooks to get developers up and running quickly. They also describes how to use Ansible, Vagrant, Devstack, and OpenStack to accelerate OpenStack development cycles.

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The document discusses smart IT choices for small businesses using cloud computing. It introduces Everett Toews and his background in operations and as a developer advocate. It then covers the key characteristics of cloud computing like on-demand self-service, broad network access, resource pooling, and rapid elasticity. The document also discusses different cloud models including SaaS, PaaS, and IaaS both public and private. It demonstrates WordPress and Magento deployments on Rackspace and discusses tradeoffs of ease of use, cost, scale, complexity and control for different business needs.

The OpenStack Community Welcomes Developers in All Languages

The document discusses software development kits (SDKs) for OpenStack. It notes that SDKs provide language bindings and wrappers that make it easier to integrate applications with OpenStack's API. It lists several popular OpenStack SDKs like jclouds, pkgcloud, and the python clients. The document encourages developers to use or contribute to OpenStack SDKs to help build applications on the cloud platform. It also outlines criteria for evaluating SDKs and opportunities for developers to get involved in the OpenStack community.

NetflixOSS on OpenStack