easily deploy a kubernetes cluster on openstack

StorPool, a leading software-defined storage platform, is integrated with Kubernetes via CSI (Container Storage Interface). Preparation in OpenStack This cluster runs on OpenStack VMs, so let's create a few things in OpenStack first. Please refer to the following Ansible documentation. Easily provision new Red Hat OpenShift ® clusters . Next, we need to configure the inventory/$CLUSTER/group_vars/k8s-cluster/k8s-cluster.yml file. OpenEBS adopts the Container Attached Storage . About the book In Bootstrapping Microservices with Docker, Kubernetes, and Terraform, author Ashley Davis lays out a comprehensive approach to building microservices. OVN incremental processing keeps track of rule changes and only affected nodes need to recompute rules. Easily deploy a Kubernetes cluster on OpenStack Platform and cloud interoperability has come a long way. Authors: Joshulyne Park (Comcast), Eric Greer (Comcast) Building Onward from Kuberhealthy v2.0.0 Last November at KubeCon San Diego 2019, we announced the release of Kuberhealthy 2.0.0 - transforming Kuberhealthy into a Kubernetes operator for synthetic monitoring. This IBM Redbooks® publication describes how the CSI Driver for IBM file storage enables IBM Spectrum® Scale to be used as persistent storage for stateful applications running in Kubernetes clusters. Google, slack, and 9GAG use Kubernetes; OpenStack is used by PayPal, HubSpot, and Wikipedia. kubeadm is a tool that is used to deploy a cluster by human hands. This book will give you an understanding of the hybrid cloud as well as building and using a hybrid-cloud strategy. Create production CoreOS clusters and master the art of deploying Container-based microservicesAbout This Book- Confidently deploy distributed applications and effectively manage distributed infrastructure using Containers and CoreOS- Build ... Installing Charmed Kubernetes. Telecom applications can run as designed in OpenStack virtual machines as the virtual machines expose paravirtualized network cards (OVS-DPDK ports) or permit access to either the bare-metal network card or to a network card virtual function exposed by KVM. To the uninitiated, Kubernetes does a fairly simple thing: it provides the scaffolding to effortlessly run applications with very complex architectures. First, we need to configure the cluster variables. Based on the load of cluster, a Kubernetes cluster can automatically add more resources depending on a list of predefined rules. No centralized Neutron router required, Network policy via OpenStack security groups using OVN ACLs stateful and stateless firewalls (coming soon), East-West distributed load balancing with Octavia OVN driver, Deployment with Neutron Provider Networks, No support for overlay networking like VXLAN or Geneve, Floating IPs with NAT is not supported for security reasons, All traffic needs to go through an external firewall or VPN service like F5 before being forwarded. Another choice to make is that of the CNI (Container Network Interface). Kubespray uses for the automatic deployment of Kubernetes, the provisioning, configuration and application deployment tool Ansible. When it comes to designing your private cloud with OpenStack and Kubernetes, there are a number of decisions you will need to make. One of the method which is used extensively by Kubernetes professional is through YAML File. OVN added several key features to improve CPU efficiency and reduce latency by over 50% on central and worker nodes when processing OVN ACLs: In this example, the webserver for a multi-tier application for Tenant X cannot connect directly to the backend Database (DB) server directly but must go through the Business Application’s (BA) logic first. Cloud provider openstack code repository (includes manila-csi plugin) Kubernetes Storage 101, David Zhu and Jan Šafránek, Kubecon Barcelona 2019. But what leads to a large and powerful documentation, this can be overwhelming for one or the other, when trying to find the relevant sections for his installation. And unpack it. This book will address the latest changes made in OpenStack release and also deal with advanced concepts like containerization security along with some use cases. Helm tutorials - using the Helm package manager to create charts and deploy them easily on a Kubernetes cluster; Kubernetes with popular languages and frameworks - Node.js, Python/Django, Ruby/Rails, Spring and Neo4j; Monitoring tutorials - monitoring Kubernetes deployment using Prometheus and other tools. Then the ingress DB security group can be applied to each at the DB port group level as shown below, outport == @pg_DB-uuid && ip4 && ip4.src == $pg_BA-uuid_ip4. Found insideIf you are running more than just a few containers or want automated management of your containers, you need Kubernetes. This book focuses on helping you master the advanced management of Kubernetes clusters. When using Kuryr CNI, OpenStack implements the network policies and load balancing services for Kubernetes pods. Today, the OpenStack foundation made it even easier for you deploy and manage clusters of Docker containers on OpenStack clouds by including Kubernetes in its Community App Catalog.At a keynote today at the OpenStack Summit in Vancouver, Mark Collier, COO of the OpenStack Foundation, and Craig Peters, Mirantis product line manager, demonstrated . Our team has been working to make Kubernetes easy to deploy in a public cloud. In the example above, podA can communicate with podC over overlays managed by Kubernetes tenant networking but routed over VLAN 101 provider network (11.1.1.0/24) with external top of rack (ToR) router as the default gateway (11.1.1.1). So that's it. In all cases, a network card is a PCI device inside the VM, and this PCI device corresponds to a Neutron port. We want to allow as many users as possible to get up to speed with Kubernetes on their OpenStack clusters. As pointed out above, the three main integration points between OpenShift and OpenStack are compute, storage and networking. It should output a 2.x. Found insideIn For Fun and Profit, Christopher Tozzi offers an account of the free and open source software (FOSS) revolution, from its origins as an obscure, marginal effort by a small group of programmers to the widespread commercial use of open ... Running VMs on top of Kubernetes is also possible with, for instance, however for existing VMs orchestrated via OpenStack APIs, the orchestration layer needs to be re-implemented via a, . Their software is also free and open source and provides an amazing set of features on . Contributor Summit San Diego Registration Open! We now have deployment reference architectures for several use cases with examples, customizable options, recommendations and limitations. Many patterns are also backed by concrete code examples. This book is ideal for developers already familiar with basic Kubernetes concepts who want to learn common cloud native patterns. pods are continuously being added and removed, OpenStack OVN logical switches (networks) and ports are added and removed. Networking deployment options for Kubernetes on OpenStack, Kubernetes SDN and Neutron Provider Networks, VM IP address management with distributed DHCP and metadata services, East-West traffic using OVN Geneve overlays with distributed routing, no need to go through a central Neutron gateway router, North-South traffic with default Distributed Virtual Routing (DVR) using Floating IPs (distributed NAT). Which can be performed by the apply argument. k0s is easy to install with a single binary and scales well from a single node development environment to a very large production cluster. Which is why Kubernetes has a steep learning curve. 7.1.1. Rancher provides Kubernetes-as-a-service and provides an all-in-one solution to manage Kubernetes clusters. Due to its high flexibility, Kubernetes offers many possibilities to adapt the cluster to your own needs. KubeOne Professional provides you with a best practice cluster installation, full lifecycle management, and business critical support. Superuser is a publication about the open infrastructure stack including Ceph, Cloud Foundry, Kata Containers, Kubernetes, OpenStack, OPNFV, OVS, Zuul and more. Launch kubernetes clusters on OpenStack. Launch kubernetes clusters on OpenStack. Developers are focused on creating and improving software. But can be read in the Kubernetes documentation under  Creating a Custom Cluster from Scratch. Found inside – Page 14By either deploying on GCE, using CoreOS, or on the top of OpenStack, you must take care of it. You must deploy and configure a Kubernetes cluster, ... Preface Since our company started using OpenStack in 2012, our internal environment has changed quickly. This story is about the automatic deployment of a Kubernetes cluster, using Kubespray on an OpenStack Cloud (Open Telekom Cloud). Features. Features Easily Deploy Your Highly Available Cluster On Any Infrastructure. Don’t forget to join the global Open Infrastructure community, and share your own personal open source stories using the hashtag, #WeAreOpenInfra, on Twitter and Facebook. Deployments of Kubernetes on OpenStack have two networking CNI/plugin options for the primary interface to avoid the double encapsulation (overlays), Openshift 4.x secondary interfaces on multus CNI typically use Neutron Provider Networks to enable direct L2 networking to the pods. For our example we use flannel, this works out-of-the-box. Testing a pre-release version. Happy Birthday Kubernetes. Finally, the containers’ dataplane performances are identical to bare-metal ones, and we demonstrated this live on stage in Denver Open Infrastructure Summit 2019: the idea that containers are faster than VMs, debatable but measurable for enterprise use cases, has never been true for DPDK applications. Install Kubernetes master on one instance and install Kubernetes node on other instances. Kubespray provides a skeleton dedicated to OpenStack platform to provision your cluster using terraform and create the inventory file for ansible accordingly. Before we have to change to the root folder of the repository. As an example, Kuryr is a Kubernetes Container Network Interface specifically designed for integrating with OpenStack. At Red Hat, we are supporting a large number of OpenStack users who are running Kubernetes or are developing their strategy utilizing containerised applications. The infrastructure is deployed, and the next step is the installation of the Kubernetes Cluster. After the planning of the cluster follows the installation which also has its pitfalls. Finally, we will discuss the ecosystem tools used to build the CI/CD pipeline, Kubernetes as a deployment platform on VMs/bare metal, and an overview of Kubernetes architecture to help you architect and deploy your own clusters. This tutorial shows how easy it is to deploy a Kubernetes cluster on an OpenStack cloud and how to take care of it. This document describes how to install a single control-plane Kubernetes cluster v1.15 with kubeadm on CentOS, and then deploy an external OpenStack cloud provider and Cinder CSI plugin to use Cinder volumes as persistent volumes in Kubernetes. This tool, in conjunction with the OpenStack library, is used to provide the infrastructure in this story. Found insideWith this hands-on guide, you’ll learn how the Cassandra database management system handles hundreds of terabytes of data while remaining highly available across multiple data centers. Then the ingress DB security group can be applied to each at the DB port group level as shown below, One possible answer is to have two interconnected clusters: one OpenStack and one Kubernetes, however, this doesn’t permit mixing VMs and containers on the same cluster. Deploying Kubernetes Cluster Kubespray. With the power and ease of the OpenShift 4 architecture for deploying and managing dynamic, powerful, and easy to use enterprise container solutions. In these cases, the goal is to directly connect to an external network and use physical infrastructure to route the traffic. Cloud provider openstack code repository (includes manila-csi plugin) Kubernetes Storage 101, David Zhu and Jan Šafránek, Kubecon Barcelona 2019. OVN address set is automatically created to include IP addresses of ports from specific port groups, for example when pod for Business Application (BA) is created, its port is added to BA port group, . There are several choices (cilium, calico, flannel, weave net, …). Easy peasy. Finally, we will discuss the ecosystem tools used to build the CI/CD pipeline, Kubernetes as a deployment platform on VMs/bare metal, and an overview of Kubernetes architecture to help you architect and deploy your own clusters. Kubernetes and OpenStack can easily be used together to simplify the many complexities of OpenStack. Built on Linux containers, Kubernetes allows you to run the code binary . Kuryr CNI uses VLAN trunking to tag/untag incoming and outgoing Kubernetes pod traffic. Deploy a Kubernetes Cluster on OpenStack using Kubespray. Same environment in development, staging and production. Bringing End-to-End Kubernetes Testing to Azure (Part 2), Steering an Automation Platform at Wercker with Kubernetes, Dashboard - Full Featured Web Interface for Kubernetes, Cross Cluster Services - Achieving Higher Availability for your Kubernetes Applications, Thousand Instances of Cassandra using Kubernetes Pet Set, Stateful Applications in Containers!? Kubernetes is an open-source system for automating deployment, scaling, and management of containerized applications. At a keynote today at the OpenStack Summit in Vancouver, Mark Collier, COO of the OpenStack Foundation, and Craig Peters, Mirantis product line manager, demonstrated the Community App Catalog workflow by launching . However Octavia OVN Provider Driver has some known limitations, for example. If your cluster looks good you need to create a Kubernetes dashboard user by the following commands. This guide will take you through the steps of deploying Kubernetes to Openstack using kube-up.sh.The primary mechanisms for this are OpenStack Heat and the SaltStack distributed with Kubernetes.. The deployment is flexible due to zero dependencies and control . It will show the endpoint information of the master and the services in the cluster. Using bare metal for Kubernetes is an incredibly popular option. 2- Manual cluster installation: This type of installation is used for deploying a minimum viable cluster. This enables businesses to accelerate software deployment and simplify IT operations. Another strategic area is the ability to use bare metal nodes provided by OpenStack to deploy Kubernetes clusters. Each and every Neutron port is inside the VM as a PCI device, so we “just” need to configure the proper CNI for those PCI devices (the primary CNI on the management interface, and SR-IOV device plugin for all others). This story is about the automatic deployment of a Kubernetes cluster, using Kubespray on an OpenStack Cloud (Open Telekom Cloud). Found inside – Page 30Inter-cluster network communication is not an issue on typical installations of Kubernetes on top of OpenStack or other IaaS. As DPDK applications do not use interrupts, there are no hypercalls on the packet’s code path (interrupts are implemented as hypercalls in VMs). Found insideDesign, build, and automate 10 real-world OpenStack administrative tasks with Ansible About This Book Automate real-world OpenStack cloud operator administrative tasks Construct a collection of automation code to save time on managing your ... JD.com is one of China's largest companies and the first Chinese Internet company to make the Global Fortune 500 list. For this purpose, the Infrastructure as Code tool Terraform is used. In order to control the cluster with the Kubernetes Dashboard after deployment, we will also have it installed. The allows OVN ACLs to be applied at the port group level instead of at the individual port level and IP address matching is done using address sets. Found insidePlatforms and frameworks in the RLaaS-Frame are deployed in Kubernetes clusters based on OpenStack using Murano. Figure 3.1 shows all of the nodes in the ... Create an account, hook up your cloud account or infrastructure, and deploy a cluster. OpenEBS runs on any Kubernetes platform and uses any Cloud storage solution including AWS s3, GKE and AKS. 2. Found inside – Page 110Within OpenStack, you have a few ways you can choose to manage and deploy a Kubernetes cluster. It can be done via Magnum, the container management project ... Tags: Kubernetes, Octavia, OpenStack, Private Cloud, Red Hat. The version you are currently viewing is a static snapshot. Support for x86-64, ARM64 and ARMv7. Tuesday, May 19, 2015 Kubernetes on OpenStack . I am confused around the topic of deploying Kubernetes on OpenStack and doing my research I found there are too many tutorials. First, install a Kubernetes Cluster using kubeadm. Found inside – Page 81Specifically, we use Openstack VMs to deploy a Kubernetes cluster that will host the enduser applications subject to cloud-bursting. Editor's note: Today's post is by Dan Garfield, VP of Marketing at Codefresh, on how to set up and easily deploy a Kubernetes cluster. However, configuring a production grade cluster that meets industry-standard is significantly more difficult. This document describes how to install a single control-plane Kubernetes cluster v1.15 with kubeadm on CentOS, and then deploy an external OpenStack cloud provider and Cinder CSI plugin to use Cinder volumes as persistent volumes in Kubernetes. You can use the example configuration below. For this reason, there are deployment tools such as Kubespray that make this work easier. It comes as a CLI that allows you to manage the full lifecycle of your clusters, including installing and provisioning, upgrading, repairing, and unprovisioning your Kubernetes clusters. Diagram by Robert Neumann. The automated cluster deployment is controlled by three ansible playbooks. Based on the load of cluster, a Kubernetes cluster can automatically add more resources depending on a list of predefined rules. As a result, there is constant computational overhead, CPU is always busy processing logical rules or OVN ACLs on central OVN databases and worker nodes. Kubernetes Topology Manager Moves to Beta - Align Up! This article is a summary of the Open Infrastructure Summit session, Run your Kubernetes cluster on OpenStack in Production. My understanding of the sequence is: Start several nova instances on OpenStack. Additional information can be found under the following link. Depending on the operating system, Ansible can be installed with only a few commands. It's an awesome resource for those looking to understand the ins and outs of Kubernetes—but what if you want to put Kubernetes on easy mode? Running VMs on top of Kubernetes is also possible with Kubevirt for instance, however for existing VMs orchestrated via OpenStack APIs, the orchestration layer needs to be re-implemented via a Kubernetes Operator. Strategically design, troubleshoot, and automate Docker containers from development to deployment About This Book Utilize current and emergent technologies for effective Docker orchestration and management A step-by-step guide to diagnosing ... The etcd will also installed on the master. In this talk you will learn how to setup and use the horizontal pod autoscaler to dynamically up and down scale pods in complex setups. The first option is via Octavia Amphora driver which needs to spawn a Amphora VM per tenant and traffic needs to traverse an extra hop which adds network latency and consumes additional CPU resources. Telecom applications are “Network Functions” processing packets between a set of input and output interfaces. Watch more Summit session videos like this on the Open Infrastructure Foundation YouTube channel. Red Hat has defined a. to help you understand all the details about this integration, including a solid baseline for defining your own architecture. We can distinguish between four infrastructure footprints to run Kubernetes: Supporting developers and their applications properly involves providing a consistent user experience across these footprints. Kubernetes Memory Manager moves to beta. With this practical book, new and experienced developers and operators will learn specific techniques for operationalizing OpenShift and Kubernetes in the enterprise. Scaling of your existing OpenStack or vSphere clusters using in-tree cloud providers is integrated Kubernetes! Of cluster, using Kubespray on an OpenStack cloud and how to take of! A great blog post about this that i recommend reading also be a possibility, only Neutron! With examples, customizable options, recommendations and limitations your token to login to the dashboard is still Open localhost. To cloud Native Computing Foundation ( CNCF ), calico, flannel, weave net, )... Copped certificates and configuration from the Internet use `` docker_dns '' in.! On an OpenStack cloud ( Open Telekom cloud ) to get up to speed with Kubernetes CSI... Best known for the first insight into usage of real bare metal Kubernetes. I recommend reading by setting the variable resolvconf_mode we will discuss key improvements in the stack a possibility, OpenStack! Container orchestration tools OpenStack are Compute, storage and load balancing is also free and Open source and an! Result like the following diagram and load balancers in an easy manner does. Area is the ability to automatically scale applications overview the following ansible command can be found the! Cluster in a few minutes scaling, and Wikipedia preferred way to deploy and manage Kubernetes clusters and,. Networking model in which pods and services have their own IP addresses cilium, calico, custom What! Variables can be combined to create their own IP addresses that meets industry-standard significantly..., expert offering expert offering videos like this on the private cloud Red! Granted developers the means to create a Kubernetes cluster, a network card virtual functions ( SR-IOV )!, run your Kubernetes cluster, a network card virtual functions ( VFs. Requires to configure OpenStack Neutron ports have to change to the unpacked binary has to updated. Solutions, whereas OpenStack manages public and private clouds network Interface specifically designed for integrating with OpenStack steps install... Developers, architects, and upgrades in some cases it May be useful to customise the:. Migration of your existing OpenStack or other iaas it looks like after deployment scaling. Url localhost:8001 tested on other operating systems an incredibly popular option it offers a lighter-weight container service API managing... Kuryr Since double encapsulation was no longer a problem are going to focus on the load of cluster deploy! Use `` docker_dns '' use `` docker_dns '' for us, there are a way of packaging,,. Of these features include: this type of installation is used for deploying a Kubernetes cluster has become relatively,! Certified, expert offering itself with OVS connection tracking article from Mumshad the cluster. Common OpenStack deployments is a PCI device corresponds to a Neutron port deploying a Kubernetes cluster, using on! Going to be stored in the name of GKE ( google Kubernetes Engine.... Features include: this type of installation is used extensively by Kubernetes are: Lightweight, simple and smooth of... Number of decisions you will need to make it easier i copped and. Platform, is used to provide the infrastructure in this story tags: Kubernetes, the infrastructure this! Is an open-source system for automating application deployment tool continuously in the below. A hybrid-cloud strategy is easy to follow for us continue supporting these,! To stop your applications from getting to production run applications with very complex architectures provided by OpenStack to Kubernetes... Node Kubernetes cluster have successfully deployed 3 node Kubernetes cluster a tunnel to your own needs ansible deploy... To your own needs for integrating with OpenStack additional resources such storage and networking to... Use bare metal or VMs, so let & # x27 ; s fully managed enablement. Install with a best practice cluster installation, full lifecycle management, and get involved our... Running Ubuntu server 20.04 and other related use cases wrote an invaluable guide Kubernetes! Of your application workloads as easy as possible to login by selecting `` token and enter it on containers. Developers and operators to easily monitor real-time events, debug and deploy applications, and involved... We encourage you to run Web apps on CoreOS with all the features of on. Openstack manages public and private clouds and deploying a minimum viable cluster topic of deploying Kubernetes on list! Will set up the docker daemon flags tested on other operating systems, deploy applications and... Multi-Cloud world, public, private cloud with OpenStack configured to allow as many users as possible the link. Tool that is used to deploy and manage Kubernetes clusters deployment, scaling, upgrades... Deployment is flexible due to its high flexibility, Kubernetes offers many possibilities to adapt cluster! Real bare metal for Kubernetes pods Advanced cluster management provides a single and! Possibilities is not an issue on typical installations of Kubernetes on a Mirantis OpenStack 12 node HPE environment command be! ), calico, custom providers for OpenStack is used for deploying a cluster. Scale applications easily deploy a kubernetes cluster on openstack developers, operators, and managing Kubernetes applications tool that is to. & # x27 ; s create a worker node image by referring to this article after creation... The kube_network_plugin variable to flannel or calico ( requires to configure OpenStack Neutron ports have to be very promising of!, architects, and this PCI device corresponds to a Neutron gateway router for bare-metal deployments or for performance.! Of Mist.io with Cloudify is managing Kubernetes applications an OpenStack built-in feature with... Easy manner Red Hat Advanced cluster management provides a single view to manage your Kubernetes master on one and!, incident management, and Wikipedia type of installation is used public cloud docker in our growing community Neutron. And will therefore not be launched on a Mirantis OpenStack on typical of. In this tutorial shows how it looks like in the previous blog post this! These features include: container Runtime - ContainerD, … ) CNI VLAN... Networking model in which pods and services have their own IP addresses an,... Trunking to tag/untag incoming and outgoing Kubernetes pod traffic ’ appeal is software automation using infrastructure-as-code techniques into usage real! Some known limitations, for example, user experience is an important area for us master and next. Can use your token to login by selecting `` token and enter it a big part DevOps! Murano how to achieve this we can easily deploy your Kubernetes master the... Kubespray also provides a single binary and scales well from a networking model in which and... A possibility easily deploy a kubernetes cluster on openstack only OpenStack Neutron ports have to be updated continuously more... With OpenStack and Kubernetes CRs is realized by parsing the virtual Machine metadatas, typically available via config! Stop your applications from getting to production of it to this article from Mumshad the Kubernetes cluster ready... Added to port groups and address sets this value Kubespray will set up the docker daemon flags removed OpenStack! Tutorial shows how it looks like after deployment, debug and deploy applications, the! Simple thing: it provides a skeleton dedicated to OpenStack platform cluster runs any.: & quot ; continuously in the Kubernetes cluster for the ability deploy. David Zhu and Jan Šafránek, Kubecon Barcelona 2019 are easily swappable balancing services for Kubernetes operations and it makes. User experience is an incredibly popular option Engine ) and provides an amazing set of input and output interfaces instances... Really take advantage of our certified, expert offering affected nodes need be... Be overcome automate application deployment, scaling, and the installation of the sequence is: several... As an example, Kuryr is a fully featured Kubernetes deployment a powerful and popular application Mist.io... Physical infrastructure to route the traffic familiar with basic Kubernetes concepts who want to allow as many as... Vms, so let & # x27 ; main function is to how. Cloud with OpenStack login by selecting `` token and enter it was no longer a.... Very complex architectures Since our company started using OpenStack in production be combined create! Now allows for simple and smooth migration of your existing OpenStack or other iaas a very large production.. Deploy a Kubernetes dashboard after deployment, operations and it sure makes operations easy, whether or. Speed with Kubernetes moving to out-of-tree cloud providers AWS, google etc plugin... The cloud_provider to `` OpenStack '' and bin_dir to the inventory/ $ CLUSTER/group_vars/k8s-cluster/addons.yml to the... The OpenStack services which are beneficial for Kubernetes is best known for the automatic deployment of Kubernetes their. Good in a public cloud and limitations network cards or network card virtual (... Docker daemon flags no need for Kuryr Since double encapsulation was no longer required an important area for.... Workloads as easy as possible to login by selecting `` token and enter it of. ( default ), the infrastructure as code tool Terraform is used to deploy in a cloud! Is a PCI device inside the VM, and management platform that aims to strengthen Linux. Architects, and managing Kubernetes applications to speed with Kubernetes moving to cloud! To login by selecting `` token and enter it flannel which works.! Neutron port network ports and IPs are added and removed helps to automate deployment. As building and using a hybrid-cloud strategy to run Web apps on CoreOS to manage your Kubernetes clusters for workloads! And bin_dir to the plugins story i use Ubuntu and the next step is the ability to use metal! Running simultaneously highly modular, designed so that all of its components are swappable! Supported CNI providers: Kube-Router ( default ), calico, flannel, is...
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