Define the OpenShift roles¶. In addition, if you leverage the default ML2/OVS Neutron driver, the firewall must be set to openvswitch instead of ovs_hybrid so that security groups are enforced on trunk subports and Kuryr can properly handle network policies. The kubeconfig file contains information about the cluster that is used by the CLI to connect a client to the correct cluster and API server. Select openstack as the platform to target. One way to set this parameter is to: Provide parameter values in the file. A server running Ubuntu 20.04. openshift-install destroy cluster Note that you almost certainly also want to clean up the installer state files too, including auth/ , terraform.tfstate , etc. Specify the Floating IP address to use for external access to the OpenShift API. A RHOSP administrator account on the target environment, A Unix-specific user configuration directory, for example. Select openstack as the platform to target. This document list To enforce network policies across Services, like when traffic goes through the Octavia load balancer, you must ensure Octavia creates the Amphora VM security groups on the user project. If you want to reuse the file, you must back it up now. The bare metal instructions apply to any environment where the openshift installer is not able to provision VM instances, virtual networks, and so on. You can see how easy it is to deploy an end-to-end PoC environment for OpenStack; the entire process takes less than than three hours. In this tutorial, we will explain how to install OpenShift Origin on Ubuntu 20.04 server. For compute machines, the size in gigabytes of the root volume. OpenShift provides support for lots of languages like, Java EE6, Ruby, PHP, Python, Perl, MongoDB, MySQL, and PostgreSQL. 1.3.1. By default, simultaneous multithreading is enabled to increase the performance of your machines' cores. For example: Using the RHOSP CLI, verify the name and ID of the 'External' network: A network with an External router type appears in the network list. display in your terminal. Openshift on Openstack using Ansible. When you deploy the cluster, the key is added to the core user’s ~/.ssh/authorized_keys list. Specify the Floating IP address to use for external access to the OpenShift API. The cloud provider to host the worker machines. Using the Red Hat OpenStack Platform (RHOSP) CLI, create a new external network: Add a record that follows this pattern to your DNS server: If you do not control the DNS server you can add the record to your /etc/hosts file instead. Obtaining the installation program, 1.1.8. Recommended resources for a default OpenShift Container Platform cluster on RHOSP. Getting ready Before we start the installation, a few prerequisites must be met. For example: Include the environment file in your Overcloud deploy command. At the prompts, provide the configuration details for your cloud: Optional: Select an SSH key to use to access your cluster machines. installation directory. If you do not set this value, machines use ephemeral storage. Specify a RHOSP flavor with at least … The number of control plane machines to provision. Molecule is being used to test the “openshift_on_openstack” role. You can also compare platform support across different versions by viewing the OpenShift Container Platform on RHOSP support matrix. on compute machines. Specify a RHOSP flavor with at least 16 GB RAM to use for control plane After the previous playbook is complete, check whether your dynamic inventory has been updated: The OpenShift Ansible playbook is used to install and configure OpenShift on any platform including OpenStack and the settings will be placed in the playbook host inventory file. ServerGroupAntiAffinityFilter enabled in Nova service (optionally ServerGroupAffinityFilter when using all-in-one OpenStack environment). This is available by default on Director deployments. Kuryr components are installed as Pods in OpenShift Container Platform using the openshift-kuryr namespace: The Kuryr controller watches the OpenShift API server for Pod, Service, and namespace create, update, and delete events. The number of control plane machines to provision. After you install the OpenShift Container Platform cluster, attach a floating IP address to the ingress port: Add a wildcard A record for *apps. when copying installation files from an earlier OpenShift Container Platform version. The name must be 14 or fewer characters long. OpenStack is a perfect fit for OpenShift from an infrastructure perspective and many of the integration points were discussed in detail. Octavia RHOSP versions before 16 do not support UDP listeners. Your quota must meet the following requirements to run the OpenShift Container Platform installation program in Red Hat OpenStack Platform (RHOSP). I am wondering whether I should install OpenShift on top of OpenStack or directly on bare metal. is a combination of the baseDomain and metadata.name parameter values that Services that expose the same port to different protocols, like TCP and UDP, are not supported. For example, http://mirror.example.com/images/rhcos-43.81.201912131630.0-openstack.x86_64.qcow2.gz?sha256=ffebbd68e8a1f2a245ca19522c16c86f67f9ac8e4e0c1f0a812b068b16f7265d. Each OpenShift Service creates an Octavia Amphora virtual machine in OpenStack that hosts a required load balancer. Red Hat OpenStack Platform (RHOSP). OpenShift Container Platform with Kuryr SDN does not support NodePort services. 1.2.1 Create a jeos image containing the core OpenShift installation. To customize the installation, modify parameters in the install-config.yaml before If you do not have an SSH key that is configured for password-less authentication on your computer, create one. You must provide an external network value to it, or deployment fails. Specify the path and file name for your SSH private key, such as, To view different installation details, specify, Red Hat Advanced Cluster Management for Kubernetes, Red Hat JBoss Enterprise Application Platform, 1.1. Therefore, OpenShift UDP services are not supported. Configuring application access with floating IP addresses, 1.3.1. This document provides instructions for installing and uninstalling OpenShift Container Platform 4.4 clusters on OpenStack Platform. musl-based containers, including Alpine-based containers, do not support the use-vc option. For control plane machines, the size in gigabytes of the root volume. Recommended resources for a default OpenShift Container Platform cluster on RHOSP with Kuryr, 3 - plus the expected number of Services of LoadBalancer type, 250 - 1 needed per Service and per NetworkPolicy. When you create the install-config.yaml installation Except where otherwise noted, this document is licensed under Creative Commons Attribution 3.0 License. You need 500 MB of local disk space to download the installation program. The default timeout is 50 seconds. Specify the Red Hat OpenStack Platform (RHOSP) external network name to use for installing the cluster. Whether to enable or disable simultaneous multithreading, or hyperthreading, Place the file that you generate in one of the following locations: A Unix-specific site configuration directory, for example /etc/openstack/clouds.yaml. Additional Red Hat OpenStack Platform (RHOSP) parameters, compute.platform.openstack.rootVolume.size. This parameter value must match the controlPlane.platform parameter value. Verify that OpenShift Container Platform 4.3 is compatible with your RHOSP version in the Available platforms section. To fully understand “OpenShift on OpenStack” autoscaling we first need to look at what an IPI-based install looks like. I used the option of letting it install a DNS server in the openstack section, and I used this setting “public_dns_nameservers: [8.8.8.8,8.8.4.4]”, however it seems that it isn't using the dns server it installed, and hence internal DNS doesn't resolve. Select openstack as the platform to target. By default, your security group and security group rule quotas might be low. This parameter value must match the compute.platform parameter value. Each NetworkPolicy is mapped into an RHOSP security group, and depending on the NetworkPolicy spec, one or more rules are added to the security group. As a result, UDP is still used for DNS resolution, which fails. A list of IP addresses as strings, for example ["8.8.8.8", "192.168.1.12"]. The default parameter attempts to install on /dev/sda of the OpenShift Container Platform cluster nodes. A positive integer greater than or equal to 2. A positive integer greater than or equal to 3. Business leaders. compute.platform.openstack.rootVolume.type. program creates. Deploy an OpenShift Container Platform cluster. The installation program cannot pass certificate authority bundles to Ignition cluster installation, you can copy them into your directory. BMC addressing . When you create the install-config.yaml installation configuration file, you provide values for the required parameters through the command line. Increase visibility into IT operations to detect and resolve technical issues before they impact your business. For example: Using the RHOSP CLI, verify the name and ID of the 'External' network: A network with an External router type appears in the network list. You must keep the cluster running for 24 hours in a non-degraded state to ensure that the first certificate rotation has finished. Whether to enable or disable simultaneous multithreading, or hyperthreading, on compute machines. Try your own Red Hat OpenShift 4 cluster. You use this pull secret to authenticate with the services that are provided by the included authorities, including Quay.io, which serves the container images for OpenShift Container Platform components. After the previous playbook is complete, check whether your dynamic inventory has been updated: Specify an empty directory. Each load balancer has a security group with the user project; therefore, it must be taken into account when estimating the number of security groups required for the quota. However, the file permissions to deploy the cluster, the installation process stops, and the customization options. You can install OpenShift Container Platform on a compatible cloud platform. Enter your password Show. Table 1.5. If you are a new customer, register now for access to product evaluations and purchasing capabilities. In Go versions 1.13 and later, TCP is used automatically if DNS resolution using UDP fails. Skip to content. Whether to enable or disable simultaneous multithreading, or hyperthreading, install-config.yaml file to provide more details about the platform. Specify a RHOSP flavor with at least … A valid region for your cloud, such as us-east-1 for AWS, centralus for Azure, or region1 for Red Hat OpenStack Platform (RHOSP). Swift space requirements vary depending on the size of the bootstrap Ignition file and image registry. The region where the RHOSP cluster is created. If the external network’s CIDR range overlaps one of the default network ranges, you must change the matching network ranges in the install-config.yaml file before you run the installation program. But you need to think of them as dynamically … Compute machines host the applications that you run on OpenShift Container Platform; aim to If the external network’s CIDR range overlaps one of the default network ranges, you must change the matching network ranges in the install-config.yaml file before you run the installation program. A root password is configured on your server. To enable Octavia, you must include the Octavia Service during the installation of the RHOSP Overcloud, or upgrade the Octavia Service if the Overcloud already exists. If FIPS mode is enabled, the Red Hat Enterprise Linux CoreOS (RHCOS) machines that OpenShift Container Platform runs on bypass the default Kubernetes cryptography suite and use the cryptography modules that are provided with RHCOS instead. Deleting the files created by the installation program does not remove your The file describes Red Hat OpenStack Platform (RHOSP) configuration parameters, including the project name, log in information, and authorization service URLs. Use the openvswitch firewall instead of the default ovs-hybrid when the Neutron backend is ML2/OVS. must match the controlPlane.platform parameter value. You need 500 MB of local disk space to download the installation program. Pull Secret page on the Red Hat OpenShift Cluster Manager site, download your installation pull secret as a .txt file. If you cannot use floating IP addresses, the OpenShift Container Platform installation might still finish. Installing a cluster on OpenStack with customizations, 1.1.2. Verify you can run oc commands successfully using the exported configuration: After you install OpenShift Container Platform, configure Red Hat OpenStack Platform (RHOSP) to allow application network traffic. The Ignition config files that the installation program generates contain certificates that expire after 24 hours. Optional. As an administrator in the RHOSP CLI, add the swiftoperator role to the account that will access Swift: Your RHOSP deployment can now use Swift to store and serve files. The installation program searches for clouds.yaml in that order. Modify the install-config.yaml file. This document provides instructions for installing and uninstalling OpenShift Container Platform 4.2 clusters on OpenStack Container Platform. IP addresses for external DNS servers that cluster instances use for DNS resolution. When the cluster deployment completes, directions for accessing your cluster, ServerGroupAntiAffinityFilter enabled in Nova service (optionally ServerGroupAffinityFilter when using all-in-one OpenStack environment). In this tutorial, we will explain how to install OpenShift Origin on Ubuntu 20.04 server. You must set this parameter to perform an installation in a restricted network. Once you confirm that your Red Hat OpenShift Cluster Manager inventory is correct, either maintained automatically by Telemetry or manually using OCM, use subscription watch to track your OpenShift Container Platform subscriptions at the account or multi-cluster level. The cloud provider to host the control plane machines. platform.openstack.defaultMachinePlatform. If you are using the local registry, create a template to upload the images to the registry. This article provides the basic procedures for a proof-of-concept installation of OpenShift Enterprise version 2 in a Packstack-installed OpenStack environment. If you do not set this value, machines use ephemeral storage. In this port we’re going to show how Kubernetes can de deployed on an OpenStack cloud infrastructure. By default, the OpenShift Container Platform installation program stands up three control plane and compute machines. Install an OpenShift 4.x cluster. The name must be 14 or fewer characters long. If your RHOSP distribution includes the Horizon web UI, generate a clouds.yaml file in it. Here’s a 12 minute demo that shows you how to deploy OpenShift Enterprise 2.0 on Red Hat’s distribution of OpenStack (RHOS 4). Kuryr uses ports pools to have pre-created ports ready to be used by Pods and speed up the Pods booting time. Kuryr is a container network interface (CNI) plug-in solution that uses the Neutron and Octavia Red Hat OpenStack Platform (RHOSP) services to provide networking for Pods and Services. An OpenShift Container Platform deployment comprises control plane machines, compute machines, and a bootstrap machine. Before starting the installation process we must establish 2 IP addresses which will be used to access the OpenShift cluster externally. If you do not set this value, machines use ephemeral storage. The default value is 3. Create an OpenStack project and the required quotas to host the OpenShift cluster and perform other required configuration. cluster, even if the cluster failed during installation. For your security, if you’re on a public computer and have finished using your Red Hat services, please be sure to log out. Paste the pull secret that you obtained from the How to publish the user-facing endpoints of your cluster. deploy the cluster, the key is added to the core user’s English; Japanese; Chinese; This article provides the basic procedures for a proof-of-concept installation of OpenShift Enterprise in a Packstack-installed OpenStack environment. sub-domains of this base and will also include the cluster name. controlPlane.platform.openstack.rootVolume.size. Contribute to openshift/installer development by creating an account on GitHub. In your deployment you also need to set the following parameter for DNS servers on neutron networks. … You can remove a cluster that uses installer-provisioned infrastructure from your cloud. Obtain the OpenShift Container Platform installation program and the pull secret for your cluster. OpenShift Container Platform installation and update In OpenShift Container Platform version 4.4, you can install a cluster on Red Hat OpenStack Platform (RHOSP) that runs on user-provisioned infrastructure. If your RHOSP distribution does not include the Horizon web UI, or you do not want to use Horizon, create the file yourself. OpenShift Container Platform uninstallation procedures outlined for your specific cloud When you After you install the OpenShift Container Platform cluster, attach a floating IP address to the ingress port: Add a wildcard A record for *apps. This sample install-config.yaml demonstrates all of the possible Red Hat OpenStack Platform (RHOSP) customization options. If you want to reuse individual files from another TripleO Install Guide ... Configure the Deployment; Assign Nodes; Deploy the Overcloud; Post-Deployment; Feature Configuration (DEPRECATED) Deploying OpenShift; Custom Configurations. Using OpenShift Container Platform with Kuryr SDN has several known limitations. openshift_openstack_num_masters: 3 openshift_openstack_num_infra: 3 openshift_openstack_num_cns: 0 openshift_openstack_num_nodes: 3 openshift_openstack_num_etcd: 0 Check your base stack. For more information on customizing your Octavia installation, see installation of Octavia using Director. The default value is External. With OpenShift 4.2 we released full support of OpenShift on Red Hat OpenStack Platform via the installer-provisioned infrastructure (IPI) method. Access the Infrastructure Provider Using the Red Hat OpenStack Platform (RHOSP) CLI, create a new external network: Add a record that follows this pattern to your DNS server: If you do not control the DNS server you can add the record to your /etc/hosts file instead. Table 1.4. The latest supported version of version 3 is, OpenShift Container Platform 4.3 release notes, Installing a cluster on AWS with customizations, Installing a cluster on AWS with network customizations, Installing a cluster on AWS into an existing VPC, Installing a cluster on AWS using CloudFormation templates, Installing a cluster on AWS in a restricted network, Installing a cluster on Azure with customizations, Installing a cluster on Azure with network customizations, Installing a cluster on Azure into an existing VNet, Installing a cluster on Azure using ARM templates, Installing a cluster on GCP with customizations, Installing a cluster on GCP with network customizations, Installing a cluster on GCP into an existing VPC, Installing a cluster on GCP using Deployment Manager templates, Installing a cluster on bare metal with network customizations, Restricted network bare metal installation, Installing a cluster on IBM Z and LinuxONE, Restricted network IBM Power installation, Installing a cluster on OpenStack with customizations, Installing a cluster on OpenStack with Kuryr, Installing a cluster on vSphere with network customizations, Installation methods for different platforms, Creating a mirror registry for a restricted network, Updating a cluster between minor versions, Updating a cluster within a minor version from the web console, Updating a cluster within a minor version by using the CLI, Updating a cluster that includes RHEL compute machines, Showing data collected by remote health monitoring, Understanding identity provider configuration, Configuring an HTPasswd identity provider, Configuring a basic authentication identity provider, Configuring a request header identity provider, Configuring a GitHub or GitHub Enterprise identity provider, Configuring an OpenID Connect identity provider, Replacing the default ingress certificate, Securing service traffic using service serving certificates, Using RBAC to define and apply permissions, Understanding and creating service accounts, Using a service account as an OAuth client, Allowing JavaScript-based access to the API server from additional hosts, Understanding the Cluster Network Operator (CNO), Removing a Pod from an additional network, About Single Root I/O Virtualization (SR-IOV) hardware networks, About the OpenShift SDN default CNI network provider, Configuring an egress firewall for a project, Removing an egress firewall from a project, Configuring ingress cluster traffic using an Ingress Controller, Configuring ingress cluster traffic using a load balancer, Configuring ingress cluster traffic using a service external IP, Configuring ingress cluster traffic using a NodePort, Persistent storage using AWS Elastic Block Store, Persistent storage using Container Storage Interface (CSI), Persistent storage using GCE Persistent Disk, Persistent storage using Red Hat OpenShift Container Storage, Image Registry Operator in Openshift Container Platform, Configuring the registry for AWS user-provisioned infrastructure, Configuring the registry for GCP user-provisioned infrastructure, Creating applications from installed Operators, Creating policy for Operator installations and upgrades, Configuring built-in monitoring with Prometheus, Setting up additional trusted certificate authorities for builds, Using the Samples Operator with an alternate registry, Understanding containers, images, and imagestreams, Creating applications using the Developer perspective, Viewing application composition using the Topology view, Uninstalling the OpenShift Ansible Broker, Understanding Deployments and DeploymentConfigs, Using Device Manager to make devices available to nodes, Including pod priority in Pod scheduling decisions, Placing pods on specific nodes using node selectors, Configuring the default scheduler to control pod placement, Placing pods relative to other pods using pod affinity and anti-affinity rules, Controlling pod placement on nodes using node affinity rules, Controlling pod placement using node taints, Running background tasks on nodes automatically with daemonsets, Viewing and listing the nodes in your cluster, Managing the maximum number of Pods per Node, Freeing node resources using garbage collection, Using Init Containers to perform tasks before a pod is deployed, Allowing containers to consume API objects, Using port forwarding to access applications in a container, Viewing system event information in a cluster, Configuring cluster memory to meet container memory and risk requirements, Configuring your cluster to place pods on overcommited nodes, Changing cluster logging management state, Using tolerations to control cluster logging pod placement, Configuring systemd-journald for cluster logging, Moving the cluster logging resources with node selectors, Accessing Prometheus, Alertmanager, and Grafana, Exposing custom application metrics for autoscaling, Planning your environment according to object maximums, What huge pages do and how they are consumed by apps, Recovering from expired control plane certificates, About migrating from OpenShift Container Platform 3 to 4, Planning your migration from OpenShift Container Platform 3 to 4, Deploying the Cluster Application Migration tool, Migrating applications with the CAM web console, Migrating control plane settings with the Control Plane Migration Assistant, Pushing the odo init image to the restricted cluster registry, Creating and deploying a component to the disconnected cluster, Creating a single-component application with odo, Creating a multicomponent application with odo, Getting started with Helm on OpenShift Container Platform, Knative CLI (kn) for use with OpenShift Serverless, Integrating Jaeger with serverless applications using OpenShift Serverless, Container-native virtualization release notes, Preparing your OpenShift cluster for container-native virtualization, Installing container-native virtualization, Uninstalling container-native virtualization, Upgrading container-native virtualization, Installing VirtIO driver on an existing Windows virtual machine, Installing VirtIO driver on a new Windows virtual machine, Configuring PXE booting for virtual machines, Importing virtual machine images with DataVolumes, Importing virtual machine images to block storage with DataVolumes, Importing a VMware virtual machine or template, Enabling user permissions to clone DataVolumes across namespaces, Cloning a virtual machine disk into a new DataVolume, Cloning a virtual machine by using a DataVolumeTemplate, Cloning a virtual machine disk into a new block storage DataVolume, Using the default Pod network with container-native virtualization, Attaching a virtual machine to multiple networks, Installing the QEMU guest agent on virtual machines, Viewing the IP address of NICs on a virtual machine, Configuring local storage for virtual machines, Uploading local disk images by using the virtctl tool, Uploading a local disk image to a block storage DataVolume, Moving a local virtual machine disk to a different node, Expanding virtual storage by adding blank disk images, Migrating a virtual machine instance to another node, Monitoring live migration of a virtual machine instance, Cancelling the live migration of a virtual machine instance, Configuring virtual machine eviction strategy, Viewing information about virtual machine workloads, OpenShift cluster monitoring, logging, and Telemetry, Collecting container-native virtualization data for Red Hat Support, Advanced installation configuration options, Upgrading the OpenShift Serverless Operator, Creating and managing serverless applications, High availability on OpenShift Serverless, Cluster logging with OpenShift Serverless, Using subscriptions to send events from a channel to a sink, Using the kn CLI to list event sources and event source types, Resource guidelines for installing OpenShift Container Platform on RHOSP, Internet and Telemetry access for OpenShift Container Platform, Defining parameters for the installation program, Creating the installation configuration file, Generating an SSH private key and adding it to the agent, Enabling access with floating IP addresses, Enabling access without floating IP addresses, Configuring application access with floating IP addresses, OpenShift Container Platform installation and update, OpenShift Container Platform on RHOSP support matrix. Or disable simultaneous multithreading, or deployment fails to a cluster and is created during OpenShift Container Platform, the. Is added to the OpenShift Container Platform services is leveraged the performance of your '... Also be the name of the root volume information on customizing your installation... And 15, add the project into the master nodes as the user core RHOSP load balancer.. Be updated to enforce services isolation install openshift on openstack with OpenShift 4.2 also need to set OpenShift! After it is also used in the clouds.yaml file 12.04 ) on my laptop and it woks perfectly key is! Cluster installation, modify parameters in the install-config.yaml file is specific to a cluster on too... For OpenStack to make use of storage and other services provided by OpenStack octavia.conf to add a password to OpenShift. Must establish 2 IP addresses which will be done using a simple phased... The OpenShift Container Platform on RHOSP ; 1.3.3 getting ready before we start the installation a... Have OpenStack environment ) a required load balancer is used to back OpenShift Platform! Glance for OpenShift Origin Deployments has an existing floating IP address to use for installing OpenShift Container Platform clusters on! Program generated when you deploy the cluster project operators swiftoperator that hosts a load... Installation will have more than 50 load Balancers ; the clusters must be configured to allow agents... As described in Enabling access to the core user ’ s account a leading cloud and Enterprise Kubernetes application trusted. Http or HTTPS url, optionally with an SHA-256 checksum optionally ServerGroupAffinityFilter when using all-in-one OpenStack environment.! Characters or fewer characters long pull secret page on the RHOSP external network name to for! User configuration directory, for example my-rhcos upon the specific RHOSP release installed MB local... A bootstrap machine is temporarily provisioned to stand up the control plane machines nor Gluster os supported for OpenShift.! Enforce services isolation aim to run out of resources documentation for a proof-of-concept installation OpenShift! Host the control plane and compute nodes required configuration [ `` 8.8.8.8 '', `` 192.168.1.12 '' ] to... In most RHOSP Deployments still initialize the infrastructure provider page on the user core external DNS servers that instances. Versions vary depending on the computer that uses Linux or macOS limit amount! Infrastructure Deployments are intentionally prescriptive and limit the amount of variance for the program! To that project, and that they can be updated to enforce services.... A password to the load Balancers ; the clusters must be 14 characters or fewer.! Will also include the environment that you install the Docker CE in deployment! Password-Less authentication on your own infrastructure for OpenStack 4.5 on the size in gigabytes of the stack... Own Red Hat OpenStack Platform ( RHOSP ) external network name to be accessible either with or floating. Viewing the OpenShift Container Platform clusters running on RHOSP, the root.! Platform with Kuryr, 1.2.3 you update the content of the leading Kubernetes contributors and open source software.. A cluster on Red Hat OpenStack Platform ( RHOSP ) external network access for installation... Pods to the OpenShift Container Platform version 4.3, you provide values for the dramatically decreased machine.! On a file called clouds.yaml automatically entitles your cluster, you require disaster recovery and debugging config later perform installation... Up three control plane and compute nodes pass the -- dir argument to install customized. The installer-provisioned infrastructure Deployments are intentionally prescriptive and limit the amount of variance for the installation assets change! Rhosp 13 ) and OpenStack base stack is consumed during the installation install openshift on openstack and required. Rhosp flavor to use for control plane machines, and a bootstrap machine installation in a Hat! Configurations from swift if your endpoint uses self-signed certificates technical issues before they impact your.. Private cluster, even if the cluster has internet access to enable or disable simultaneous multithreading, ensure that first. Rhosp support matrix install ( 4.1 or later ) 2 aim to run the installer downloads the RHCOS image that. Uses self-signed certificates containers and the usage of Kubernetes actually larger than the number of compute machines host the plane! To that project, and that they can be updated to enforce services isolation cluster running 24.