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Zuul and Nodepool: Supporting a Multi-Cloud Environment | VEXXHOST
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style="position:absolute;height:100%;width:100%;left:0;top:0;right:0;bottom:0;color:transparent" src="/purple-pattern.svg"/><h1 class="relative mx-auto max-w-4xl px-14 pt-10 pb-2 text-center font-mono text-2xl font-bold leading-snug text-indigo-900 sm:pt-20 sm:pb-4 sm:text-4xl md:text-5xl">Zuul and Nodepool: Supporting a Multi-Cloud Environment</h1><time class="block pb-5 text-center font-mono text-xs text-indigo-500 sm:pb-10 md:text-sm">October 22nd 2019</time><div class="pb-14 text-center text-indigo-800"><img alt="Mohammed Naser" loading="lazy" width="64" height="64" decoding="async" data-nimg="1" class="mr-2 inline-block h-8 w-8 rounded-full border-2 border-indigo-500 sm:mr-4 sm:h-16 sm:w-16" style="color:transparent" srcSet="/_next/image/?url=https%3A%2F%2Fcdn.sanity.io%2Fimages%2Fou3rgazh%2Fproduction%2F18534af4c299eeeccf42acbbe02d510039553fdc-80x80.jpg&w=64&q=75 1x, /_next/image/?url=https%3A%2F%2Fcdn.sanity.io%2Fimages%2Fou3rgazh%2Fproduction%2F18534af4c299eeeccf42acbbe02d510039553fdc-80x80.jpg&w=128&q=75 2x" src="/_next/image/?url=https%3A%2F%2Fcdn.sanity.io%2Fimages%2Fou3rgazh%2Fproduction%2F18534af4c299eeeccf42acbbe02d510039553fdc-80x80.jpg&w=128&q=75"/>Mohammed Naser</div></section><div class="flex flex-col-reverse md:flex-row mx-auto max-w-7xl px-6 lg:px-8 place-content-around space-x-4"><div><article class="prose lg:prose-xl mx-auto"><p class="lead">Nodepool enables Zuul to support a multi-cloud environment by launching single-use test nodes from the most compatible node resource available.</p><p>Zuul is built for testing! The flexible configurations that Zuul provides are key differentiating factors of the tool against other generic automation tools. Zuul provides test environment provisioning via Nodepool. Nodepool is a part of a comprehensive suite of tools for testing which includes Zuul itself, each performing a specific function in the job execution workflow.</p> <p>Nodepool is a system for managing test node resources. Nodepool itself has two components which run as daemons, Nodepool-builder and Nodepool-launcher. Here we are covering the actions of the launcher daemons and how it works with Zuul.</p> <p>In the given context, Nodepool acts as a companion pool manager, used for clean and reproducible nodes to execute Zuul jobs. Nodepool retrieves and launches single-use test nodes upon Zuul's request. It has access to nodes from different cloud providers and also manages pre-defined and pre-existing nodes. Therefore, Zuul is not limited to only your infrastructure provider and is compatible with a wider range via Nodepool. Nodepool supports the following resources:</p> <ul> <li>OpenStack Driver</li> <li>Static Driver</li> <li>Kubernetes Driver</li> <li>Openshift Driver</li> <li>Openshift Pods Driver</li> <li>AWS EC2 Driver<br/> <a href="https://vexxhost.com/solutions/managed-zuul/"><img alt="Zuul and Nodepool: Supporting a Multi-Cloud Environment" loading="lazy" width="730" height="400" decoding="async" data-nimg="1" style="color:transparent" srcSet="/_next/image/?url=https%3A%2F%2Fvexxhost.com%2Fwp-content%2Fuploads%2F2018%2F06%2FZuul.gif&w=750&q=75 1x, /_next/image/?url=https%3A%2F%2Fvexxhost.com%2Fwp-content%2Fuploads%2F2018%2F06%2FZuul.gif&w=1920&q=75 2x" src="/_next/image/?url=https%3A%2F%2Fvexxhost.com%2Fwp-content%2Fuploads%2F2018%2F06%2FZuul.gif&w=1920&q=75"/></a></li> </ul> <p>As mentioned earlier, this support is made available for Zuul users when Nodepool launches a fresh node for every new test. Therefore, <strong><a href="/blog/zuul/">AWS Zuul</a></strong> is just one of many other deployment options available to Zuul users. To better understand how Zuul and Nodepool work together, their functions can be broken down into the following steps:</p> <ol> <li>The code review system sends events to Zuul. These events trigger Zuul's decision of executing jobs. Events can range from creation, update or merger of reviews or pull-requests.</li> <li>Based on the events and the configuration of Zuul's scheduler, Zuul requests services from its components, in this case, Nodepool.</li> <li>Nodepool's launchers look for requests from Zuul and fulfill them by retrieving a node or a node provider. Nodepool can reserve an existing node or spawn a new one and notify that the required node is available.</li> <li>Using the Ansible playbook, Zuul executor runs the job against the given node.</li> <li>Once the job execution is over, Zuul releases the node to be deleted.</li> </ol> <p>This is an example of a standard workflow when a single job is to be run. In the case of multiple jobs, the corresponding number of nodes is requested from Nodepool. A single job can also be classified as a multi-nodes job if more than one node is required for the execution process and subsequently the required amount of resource is requested. Since fresh nodes are requested for each job execution, it reduces job erraticness and ensures a robust workspace.</p> <p>On the other hand, Nodepool-builder daemon is used for building and uploading images to providers. The diskimage-builder is responsible for building the underlying images. Also, Nodepool is able to build cloud instances from these images created.</p> <p>The configuration file for Nodepool also follows the YAML syntax, making it just as well integrated with Ansible. Due to this, the multi-cloud merging process is efficiently automated. This further ensures</p> <p>effective coordination between workloads and the management of hybrid workflows.</p> <p>If Zuul is something you need or are interested in, check out our Managed Zuul solution offering and contact us for any queries!</p> <p><img alt="Zuul and Nodepool: Supporting a Multi-Cloud Environment" loading="lazy" width="730" height="400" decoding="async" data-nimg="1" style="color:transparent" srcSet="/_next/image/?url=https%3A%2F%2Fvexxhost.com%2Fwp-content%2Fuploads%2F2019%2F10%2FScreen-Shot-2019-10-09-at-4.04.09-PM-300x170.png&w=750&q=75 1x, /_next/image/?url=https%3A%2F%2Fvexxhost.com%2Fwp-content%2Fuploads%2F2019%2F10%2FScreen-Shot-2019-10-09-at-4.04.09-PM-300x170.png&w=1920&q=75 2x" src="/_next/image/?url=https%3A%2F%2Fvexxhost.com%2Fwp-content%2Fuploads%2F2019%2F10%2FScreen-Shot-2019-10-09-at-4.04.09-PM-300x170.png&w=1920&q=75"/></p> <h4>How to Up Your DevOps Game with Project Gating: Zuul - A CI/CD Gating Tool</h4> <p><a 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Additionally, companies can save money with public cloud pricing by sidestepping fees for management or support, and discounts are sometimes offered as well for longer-term contract agreements.","button2":"VIEW COMPLETE PRICING PAGE","button3":"START A FREE TRIAL OF OUR CLOUD INFRASTRUCTURE TODAY","heading11":"Explore More about Public Clouds","overview":"OVERVIEW","services":"SERVICES","prices":"PRICES","faqs":"FAQS","sign-up":"SIGN UP!","public-cloud-posts":"Public Cloud Posts","heading12":"Benefits for Enterprises","subHeading12":"It does not matter whether your company is a multibillion-dollar publicly traded enterprise or a small startup; you can use OpenStack public clouds with services that compete with major","public-cloud-providers":"public cloud providers","benefits-of-public-cloud":"Benefits of public cloud","subHeading12-1":"are reaped by enterprises in terms of excellent industry support, compatibility","user-experience":"user experience","cost-effectivenes":"cost effectiveness","scalability":"scalability","security2":"security","observability":"aiding observability","subHeading12-2":"and an easy to manage panel. 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Our platform includes day 2 operations, monitoring, load balancing and easy upgrades included out of the box.","button1":"Talk to our sales team","link1":"Learn More","heading1":"From single developer to multinational companies","heading2":"Deploy solid cloud environments according to your preferences ","subHeading2":"With years of operational experience in running OpenStack, and cloud infrastructure, we’ve built Atmosphere, a powerful and versatile open-source OpenStack \u0026 Ceph deployment tool. With Atmosphere, you can expect a cloud platform that is secure, scalable, and performance-oriented.","subHeading2-1":"Capable of integrating all key elements needed for a production-level cloud environment, Atmosphere allows you to deploy and manage a cloud that supports virtual machines (VMs), block and object storage, load balancers as a Service (LBaaS), bare metal instances, and Kubernetes clusters, all within a secure and scalable infrastructure, furnished with comprehensive day 2 operations, monitoring, and painless upgrades.","heading3":"Why Atmosphere?","heading4":"Freedom from vendor lock-in","subHeading4":"Built on the open-source OpenStack platform, Atmosphere ensures that you avoid vendor lock-in, providing the freedom to shape your infrastructure according to evolving needs.","heading5":"Clear and upfront costs","subHeading5":"Atmosphere is open source, so you have the freedom to operate independently and access support, when necessary. This could potentially save you up to 40%.","heading6":"Out of the box upgrades","subHeading6":"Benefit from our extensive OpenStack operational experience to deploy the latest releases immediately upon launch, ensuring seamless upgrade capabilities right out of the box.","heading7":"Assisted migration with minimum downtime","subHeading7":"Experience a seamless migration to your new cloud environment with minimal downtime, preserving operational continuity and business efficiency every step of the way.","heading8":"Comprehensive monitoring infrastructure","subHeading8":"Our comprehensive monitoring system is equipped with over 300+ predefined alarms, offering an extensive oversight capability that spans your entire infrastructure.","heading9":"Guidance on OpenStack projects","subHeading9":"Leveraging over a decade of expertise in using \u0026 contributing upstream to open-source technologies, we're here to guide and enhance your OpenStack initiatives with strategic insights and technical proficiency.","heading10":"Ecosystem \u0026 community support","subHeading10":"Within the OpenStack ecosystem, you are part of a broader ecosystem, offering community insights, best practices, and a wealth of collective knowledge.","heading11":"Enterprise-grade support services","subHeading11":"Additionally, we offer a tier of paid support services with a dedicated client area platform, This includes a 24/7 ticketing system, which is constantly monitored by our expert support team.","heading12":"On-premise management services","subHeading12":"We also offer comprehensive on-premises management services, and we go beyond the traditional ticketing support, offering direct escalation for urgent matters, including the option to call support.","heading13":"Try it today for free.","subHeading13":"Adopting advanced cloud solutions is a strategic move, essential for staying competitive. We have a track record of enabling enterprises of all sizes to make this transition smoothly, ensuring they emerge as industry leaders.","subHeading13-1":"For a firsthand experience of OpenStack and Atmosphere's transformative capabilities, request a precision-crafted demo. Connect with us today and elevate your enterprise with a streamlined cloud infrastructure.","button2":"Talk with our sales team","heading14":"If you have any other questions, please don’t hesitate to reach out to our team","heading15":"Migration FAQs","faq1-question":"How is the migration from VMware to OpenStack managed?","faq1-answer":"Transitioning from VMware is streamlined with our migration toolkit, ensuring a swift shift with minimal downtime, often only requiring a reboot.","faq2-question":"Will we experience downtime during the VMware to OpenStack migration?","faq2-answer":"We aim to minimize disruption, with most migrations requiring only a brief reboot period as workloads transition to OpenStack.","faq3-question":"Can Atmosphere integrate with our existing tools and infrastructure?","faq3-answer":"Atmosphere is designed to complement your current infrastructure, ensuring a smooth integration with your networking, storage, and identity services.","faq4-question":"How does Atmosphere's performance compare to our current VMware setup?","faq4-answer":"Atmosphere leverages open-source technologies for superior scalability and flexibility, often resulting in better performance than traditional VMware environments.","faq5-question":"What level of High Availability does Atmosphere offer?","faq5-answer":"Atmosphere's Kubernetes-based infrastructure ensures High Availability across all services, enhancing resilience and uptime for your critical applications.","faq6-question":"What third-party storage options are compatible with Atmosphere?","faq6-answer":"Atmosphere supports a variety of storage backends that integrate with OpenStack, from Ceph to Pure, Netapp or more, providing flexibility and choice.","faq7-question":"How does Atmosphere ensure long-term viability and support?","faq7-answer":"Built on OpenStack, Atmosphere benefits from a robust open-source community and industry adoption, ensuring its longevity and ongoing innovation.","faq8-question":"Can you help us design and architect our OpenStack environment?","faq8-answer":"Yes, design and architecture consultation is part of our deployment services, ensuring your cloud is tailored to your specific needs.","faq9-question":"What factors affect the timeline for migrating to Atmosphere?","faq9-answer":"The setup for Atmosphere OpenStack usually takes 2-4 weeks, with migration timelines varying based on environmental complexity and scale.","faq10-question":"Can Atmosphere handle large-scale OpenStack deployments?","faq10-answer":"Atmosphere is scalable to manage extensive OpenStack deployments, supporting thousands of nodes without compromising performance or reliability.","faq11-question":"Are there any limits on cluster sizes within Atmosphere OpenStack?","faq11-answer":"OpenStack's architecture allows for clusters of any size, ensuring Atmosphere can accommodate your growth without restrictions.","faq12-question":"Is Firewall as a Service included in Atmosphere's offerings?","faq12-answer":"Atmosphere provides a comprehensive Firewall-as-a-Service (FWaaS), enabling secure and manageable firewall policies across your network.","faq13-question":"What cost savings can be expected by transitioning to OpenStack?","faq13-answer":"Transitioning to Atmosphere's open-source platform can lead to significant cost savings, with the potential to reduce expenses by up to 40%.","faq14-question":"What professional services do you offer for OpenStack and Kubernetes?","faq14-answer":"We provide end-to-end professional services, including architecture design, strategic management, deployment, and emergency support, ensuring your OpenStack and Kubernetes environments are expertly crafted and maintained.","heading27":"From single developer to multinational companies","heading28":"Deploy solid cloud environments according to your preferences","subHeading28":"With years of operational experience in running OpenStack, and cloud infrastructure, we’ve built Atmosphere, a powerful and versatile open-source OpenStack \u0026 Ceph deployment tool. With Atmosphere, you can expect a cloud platform that is secure, scalable, and performance-oriented.","subHeading28-1":"Capable of integrating all key elements needed for a production-level cloud environment, Atmosphere allows you to deploy and manage a cloud that supports virtual machines (VMs), block and object storage, load balancers as a Service (LBaaS), bare metal instances, and Kubernetes clusters, all within a secure and scalable infrastructure, furnished with comprehensive day 2 operations, monitoring, and painless upgrades.","heading29":"Comprehensive Infrastructure Capabilities","subHeading29":"Atmosphere provides a broad array of infrastructure functionalities, including virtual machines, Kubernetes, bare metal, block and object storage, load balancers as a service, and more.","heading30":"Trusted and Production-Ready","subHeading30":"Atmosphere delivers a reliable highly available certified OpenStack cloud with replicated storage built-in. It's trusted by numerous organizations worldwide and powers the Atmosphere Cloud.","heading31":"Full Lifecycle Management","subHeading31":"Beyond deploying OpenStack, Atmosphere handles day 2 operations, including logging, monitoring, alerting, and conducting native smooth upgrades, ensuring seamless cloud operation for on-premise deployments.","heading32":"Best-in-class Architecture","subHeading32":"Atmosphere's unique architecture runs OpenStack on top of Kubernetes. This setup enables simple and easy rollouts, upgrades, and health checks, providing a robust and reliable cloud environment.","heading33":"Integrated Kubernetes Service","subHeading33":"Atmosphere's Kubernetes service integrates natively with block storage using CSI and leverages Cluster API on the backend, supporting auto-healing, auto-scaling, and rolling upgrades.","heading34":"High-Performance Networking","subHeading34":"Atmosphere's robust networking service offers virtual routers, full network topology building, and supports high-performance options and off-loading for up to native 100Gbps speeds.","heading35":"AI/ML Ready","subHeading35":"Atmosphere's infrastructure supports GPUs and PCI passthrough, enabling high-performance computing for AI/ML use cases with accelerator cards for VMs, bare metal \u0026 Kubernetes.","heading36":"Built with Open Source","subHeading36":"Atmosphere is an open-source solution built using a variety of other open-source technologies, including Ansible, Helm, Kubernetes, and Prometheus."}}},"__N_SSG":true},"page":"/blog/[slug]","query":{"slug":"zuul-and-nodepool"},"buildId":"yiz08S_3EVqujfpyFDk6O","isFallback":false,"isExperimentalCompile":false,"gsp":true,"locale":"en","locales":["en","fr"],"defaultLocale":"en","scriptLoader":[]}</script></body></html>