admin/3engines_doc
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Files
5a5b218a130d4745260f0426270df080b341d125
3engines_doc/site/kubernetes/How-To-Access-Kubernetes-Cluster-Post-Deployment-Using-Kubectl-On-3Engines-Cloud-OpenStack-Magnum.html.html
govardhan 5a5b218a13 build site generated
2025-06-19 21:50:45 +05:30

56 lines
54 KiB
HTML
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<!doctype html><html lang=en class=no-js> <head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><meta name=description content="Documentation for 3Engines services and products"><meta name=author content=3Engines><link rel=canonical href=https://docs.3Engines.com/kubernetes/How-To-Access-Kubernetes-Cluster-Post-Deployment-Using-Kubectl-On-3Engines-Cloud-OpenStack-Magnum.html.html><link rel=icon href=../assets/favicon.ico><meta name=generator content="mkdocs-1.6.1, mkdocs-material-9.6.14"><title>How To Access Kubernetes Cluster Post Deployment Using Kubectl On 3Engines Cloud OpenStack Magnum🔗 - 3Engines Documentation</title><link rel=stylesheet href=../assets/stylesheets/main.342714a4.min.css><link rel=stylesheet href=../assets/stylesheets/palette.06af60db.min.css><script src=https://unpkg.com/iframe-worker/shim></script><link rel=preconnect href=https://fonts.gstatic.com crossorigin><link rel=stylesheet href="https://fonts.googleapis.com/css?family=Roboto:300,300i,400,400i,700,700i%7CRoboto+Mono:400,400i,700,700i&display=fallback"><style>:root{--md-text-font:"Roboto";--md-code-font:"Roboto Mono"}</style><link rel=stylesheet href=../stylesheets/extra.css><script>__md_scope=new URL("..",location),__md_hash=e=>[...e].reduce(((e,_)=>(e<<5)-e+_.charCodeAt(0)),0),__md_get=(e,_=localStorage,t=__md_scope)=>JSON.parse(_.getItem(t.pathname+"."+e)),__md_set=(e,_,t=localStorage,a=__md_scope)=>{try{t.setItem(a.pathname+"."+e,JSON.stringify(_))}catch(e){}}</script> <link href="../assets/stylesheets/glightbox.min.css" rel="stylesheet"/><style>
html.glightbox-open { overflow: initial; height: 100%; }
.gslide-title { margin-top: 0px; user-select: text; }
.gslide-desc { color: #666; user-select: text; }
.gslide-image img { background: white; }
.gscrollbar-fixer { padding-right: 15px; }
.gdesc-inner { font-size: 0.75rem; }
body[data-md-color-scheme="slate"] .gdesc-inner { background: var(--md-default-bg-color);}
body[data-md-color-scheme="slate"] .gslide-title { color: var(--md-default-fg-color);}
body[data-md-color-scheme="slate"] .gslide-desc { color: var(--md-default-fg-color);}</style> <script src="../assets/javascripts/glightbox.min.js"></script></head> <body dir=ltr data-md-color-scheme=default data-md-color-primary=blue-grey data-md-color-accent=indigo> <input class=md-toggle data-md-toggle=drawer type=checkbox id=__drawer autocomplete=off> <input class=md-toggle data-md-toggle=search type=checkbox id=__search autocomplete=off> <label class=md-overlay for=__drawer></label> <div data-md-component=skip> <a href=#how-to-access-kubernetes-cluster-post-deployment-using-kubectl-on-3engines-cloud-openstack-magnum class=md-skip> Skip to content </a> </div> <div data-md-component=announce> </div> <header class=md-header data-md-component=header> <nav class="md-header__inner md-grid" aria-label=Header> <a href=../index.html title="3Engines Documentation" class="md-header__button md-logo" aria-label="3Engines Documentation" data-md-component=logo> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a3 3 0 0 0 3-3 3 3 0 0 0-3-3 3 3 0 0 0-3 3 3 3 0 0 0 3 3m0 3.54C9.64 9.35 6.5 8 3 8v11c3.5 0 6.64 1.35 9 3.54 2.36-2.19 5.5-3.54 9-3.54V8c-3.5 0-6.64 1.35-9 3.54"/></svg> </a> <label class="md-header__button md-icon" for=__drawer> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M3 6h18v2H3zm0 5h18v2H3zm0 5h18v2H3z"/></svg> </label> <div class=md-header__title data-md-component=header-title> <div class=md-header__ellipsis> <div class=md-header__topic> <span class=md-ellipsis> 3Engines Documentation </span> </div> <div class=md-header__topic data-md-component=header-topic> <span class=md-ellipsis> How To Access Kubernetes Cluster Post Deployment Using Kubectl On 3Engines Cloud OpenStack Magnum🔗 </span> </div> </div> </div> <form class=md-header__option data-md-component=palette> <input class=md-option data-md-color-media="(prefers-color-scheme: light)" data-md-color-scheme=default data-md-color-primary=blue-grey data-md-color-accent=indigo aria-label="Switch to dark mode" type=radio name=__palette id=__palette_0> <label class="md-header__button md-icon" title="Switch to dark mode" for=__palette_1 hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a4 4 0 0 0-4 4 4 4 0 0 0 4 4 4 4 0 0 0 4-4 4 4 0 0 0-4-4m0 10a6 6 0 0 1-6-6 6 6 0 0 1 6-6 6 6 0 0 1 6 6 6 6 0 0 1-6 6m8-9.31V4h-4.69L12 .69 8.69 4H4v4.69L.69 12 4 15.31V20h4.69L12 23.31 15.31 20H20v-4.69L23.31 12z"/></svg> </label> <input class=md-option data-md-color-media="(prefers-color-scheme: dark)" data-md-color-scheme=slate data-md-color-primary=indigo data-md-color-accent=indigo aria-label="Switch to light mode" type=radio name=__palette id=__palette_1> <label class="md-header__button md-icon" title="Switch to light mode" for=__palette_0 hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 18c-.89 0-1.74-.2-2.5-.55C11.56 16.5 13 14.42 13 12s-1.44-4.5-3.5-5.45C10.26 6.2 11.11 6 12 6a6 6 0 0 1 6 6 6 6 0 0 1-6 6m8-9.31V4h-4.69L12 .69 8.69 4H4v4.69L.69 12 4 15.31V20h4.69L12 23.31 15.31 20H20v-4.69L23.31 12z"/></svg> </label> </form> <script>var palette=__md_get("__palette");if(palette&&palette.color){if("(prefers-color-scheme)"===palette.color.media){var media=matchMedia("(prefers-color-scheme: light)"),input=document.querySelector(media.matches?"[data-md-color-media='(prefers-color-scheme: light)']":"[data-md-color-media='(prefers-color-scheme: dark)']");palette.color.media=input.getAttribute("data-md-color-media"),palette.color.scheme=input.getAttribute("data-md-color-scheme"),palette.color.primary=input.getAttribute("data-md-color-primary"),palette.color.accent=input.getAttribute("data-md-color-accent")}for(var[key,value]of Object.entries(palette.color))document.body.setAttribute("data-md-color-"+key,value)}</script> <label class="md-header__button md-icon" for=__search> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.52 6.52 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5"/></svg> </label> <div class=md-search data-md-component=search role=dialog> <label class=md-search__overlay for=__search></label> <div class=md-search__inner role=search> <form class=md-search__form name=search> <input type=text class=md-search__input name=query aria-label=Search placeholder=Search autocapitalize=off autocorrect=off autocomplete=off spellcheck=false data-md-component=search-query required> <label class="md-search__icon md-icon" for=__search> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.52 6.52 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5"/></svg> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11z"/></svg> </label> <nav class=md-search__options aria-label=Search> <a href=javascript:void(0) class="md-search__icon md-icon" title=Share aria-label=Share data-clipboard data-clipboard-text data-md-component=search-share tabindex=-1> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M18 16.08c-.76 0-1.44.3-1.96.77L8.91 12.7c.05-.23.09-.46.09-.7s-.04-.47-.09-.7l7.05-4.11c.54.5 1.25.81 2.04.81a3 3 0 0 0 3-3 3 3 0 0 0-3-3 3 3 0 0 0-3 3c0 .24.04.47.09.7L8.04 9.81C7.5 9.31 6.79 9 6 9a3 3 0 0 0-3 3 3 3 0 0 0 3 3c.79 0 1.5-.31 2.04-.81l7.12 4.15c-.05.21-.08.43-.08.66 0 1.61 1.31 2.91 2.92 2.91s2.92-1.3 2.92-2.91A2.92 2.92 0 0 0 18 16.08"/></svg> </a> <button type=reset class="md-search__icon md-icon" title=Clear aria-label=Clear tabindex=-1> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M19 6.41 17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z"/></svg> </button> </nav> <div class=md-search__suggest data-md-component=search-suggest></div> </form> <div class=md-search__output> <div class=md-search__scrollwrap tabindex=0 data-md-scrollfix> <div class=md-search-result data-md-component=search-result> <div class=md-search-result__meta> Initializing search </div> <ol class=md-search-result__list role=presentation></ol> </div> </div> </div> </div> </div> </nav> </header> <div class=md-container data-md-component=container> <nav class=md-tabs aria-label=Tabs data-md-component=tabs> <div class=md-grid> <ul class=md-tabs__list> <li class=md-tabs__item> <a href=../index.html class=md-tabs__link> Home </a> </li> <li class=md-tabs__item> <a href=../cloud/cloud.html.html class=md-tabs__link> Cloud </a> </li> <li class=md-tabs__item> <a href=../datavolume/datavolume.html.html class=md-tabs__link> Data Volume </a> </li> <li class=md-tabs__item> <a href=../networking/networking.html.html class=md-tabs__link> Networking </a> </li> <li class=md-tabs__item> <a href=../s3/s3.html.html class=md-tabs__link> S3 </a> </li> <li class=md-tabs__item> <a href=../windows/windows.html.html class=md-tabs__link> Windows </a> </li> </ul> </div> </nav> <main class=md-main data-md-component=main> <div class="md-main__inner md-grid"> <div class="md-sidebar md-sidebar--primary" data-md-component=sidebar data-md-type=navigation> <div class=md-sidebar__scrollwrap> <div class=md-sidebar__inner> <nav class="md-nav md-nav--primary md-nav--lifted" aria-label=Navigation data-md-level=0> <label class=md-nav__title for=__drawer> <a href=../index.html title="3Engines Documentation" class="md-nav__button md-logo" aria-label="3Engines Documentation" data-md-component=logo> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M12 8a3 3 0 0 0 3-3 3 3 0 0 0-3-3 3 3 0 0 0-3 3 3 3 0 0 0 3 3m0 3.54C9.64 9.35 6.5 8 3 8v11c3.5 0 6.64 1.35 9 3.54 2.36-2.19 5.5-3.54 9-3.54V8c-3.5 0-6.64 1.35-9 3.54"/></svg> </a> 3Engines Documentation </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../index.html class=md-nav__link> <span class=md-ellipsis> Home </span> </a> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle " type=checkbox id=__nav_2> <label class=md-nav__link for=__nav_2 id=__nav_2_label tabindex=0> <span class=md-ellipsis> Cloud </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=1 aria-labelledby=__nav_2_label aria-expanded=false> <label class=md-nav__title for=__nav_2> <span class="md-nav__icon md-icon"></span> Cloud </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../cloud/cloud.html.html class=md-nav__link> <span class=md-ellipsis> Overview </span> </a> </li> <li class=md-nav__item> <a href=../cloud/Dashboard-Overview-Project-Quotas-And-Flavors-Limits-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> Dashboard Overview – Project Quotas And Flavors Limits on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/How-to-access-the-VM-from-OpenStack-console-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to access the VM from OpenStack console on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/How-to-clone-existing-and-configured-VMs-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to clone existing and configured VMs on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/How-to-fix-unresponsive-console-issue-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to fix unresponsive console issue on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/How-to-generate-ec2-credentials-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to generate and manage EC2 credentials on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/How-to-generate-or-use-Application-Credentials-via-CLI-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to generate or use Application Credentials via CLI on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/How-to-use-GUI-in-Linux-VM-on-3Engines-Cloud-and-access-it-from-local-Linux-computer.html.html class=md-nav__link> <span class=md-ellipsis> How to Use GUI in Linux VM on 3Engines Cloud and access it From Local Linux Computer </span> </a> </li> <li class=md-nav__item> <a href=../cloud/How-To-Create-a-New-Linux-VM-With-NVIDIA-Virtual-GPU-in-the-OpenStack-Dashboard-Horizon-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How To Create a New Linux VM With NVIDIA Virtual GPU in the OpenStack Dashboard Horizon on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/How-to-use-Docker-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to install and use Docker on Ubuntu 24.04 </span> </a> </li> <li class=md-nav__item> <a href=../cloud/How-to-use-Security-Groups-in-Horizon-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to use Security Groups in Horizon on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/How-to-create-key-pair-in-OpenStack-Dashboard-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to create key pair in OpenStack Dashboard on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/How-to-create-new-Linux-VM-in-OpenStack-Dashboard-Horizon-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to create new Linux VM in OpenStack Dashboard Horizon on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/How-to-install-Python-virtualenv-or-virtualenvwrapper-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to install Python virtualenv or virtualenvwrapper on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/How-to-start-a-VM-from-a-snapshot-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to start a VM from a snapshot on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/Status-Power-State-and-dependences-in-billing-of-instances-VMs-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> Status Power State and dependencies in billing of instance VMs on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/How-to-upload-your-custom-image-using-OpenStack-CLI-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to upload your custom image using OpenStack CLI on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/VM-created-with-option-Create-New-Volume-No-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> VM created with option Create New Volume No on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/VM-created-with-option-Create-New-Volume-Yes-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> VM created with option Create New Volume Yes on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/What-is-an-OpenStack-domain-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> What is an OpenStack domain on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/What-is-an-OpenStack-project-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> What is an OpenStack project on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/How-to-create-a-Linux-VM-and-access-it-from-Windows-desktop-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to create a Linux VM and access it from Windows desktop on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/How-to-create-a-Linux-VM-and-access-it-from-Linux-command-line-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to create a Linux VM and access it from Linux command line on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/DNS-as-a-Service-on-3Engines-Cloud-Hosting.html.html class=md-nav__link> <span class=md-ellipsis> DNS as a Service on 3Engines Cloud Hosting </span> </a> </li> <li class=md-nav__item> <a href=../cloud/What-Image-Formats-are-available-in-OpenStack-3Engines-Cloud-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> What Image Formats are Available in OpenStack 3Engines Cloud cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/How-to-upload-custom-image-to-3Engines-Cloud-cloud-using-OpenStack-Horizon-dashboard.html.html class=md-nav__link> <span class=md-ellipsis> How to upload custom image to 3Engines Cloud cloud using OpenStack Horizon dashboard </span> </a> </li> <li class=md-nav__item> <a href=../cloud/How-to-create-Windows-VM-on-OpenStack-Horizon-and-access-it-via-web-console-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to create Windows VM on OpenStack Horizon and access it via web console on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/How-to-transfer-volumes-between-domains-and-projects-using-Horizon-dashboard-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to transfer volumes between domains and projects using Horizon dashboard on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/Spot-instances-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> Spot instances on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/How-to-create-instance-snapshot-using-Horizon-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to create instance snapshot using Horizon on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/How-to-start-a-VM-from-instance-snapshot-using-Horizon-dashboard-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to start a VM from instance snapshot using Horizon dashboard on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/How-to-create-a-VM-using-the-OpenStack-CLI-client-on-3Engines-Cloud-cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to create a VM using the OpenStack CLI client on 3Engines Cloud cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/OpenStack-user-roles-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> OpenStack User Roles on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/Resizing-a-virtual-machine-using-OpenStack-Horizon-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> Resizing a virtual machine using OpenStack Horizon on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../cloud/Block-storage-and-object-storage-performance-limits-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> Block storage and object storage performance limits on 3Engines Cloud </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle " type=checkbox id=__nav_3> <label class=md-nav__link for=__nav_3 id=__nav_3_label tabindex=0> <span class=md-ellipsis> Data Volume </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=1 aria-labelledby=__nav_3_label aria-expanded=false> <label class=md-nav__title for=__nav_3> <span class="md-nav__icon md-icon"></span> Data Volume </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../datavolume/datavolume.html.html class=md-nav__link> <span class=md-ellipsis> Overview </span> </a> </li> <li class=md-nav__item> <a href=../datavolume/How-to-attach-a-volume-to-VM-less-than-2TB-on-Linux-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to attach a volume to VM less than 2TB on Linux on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../datavolume/How-to-attach-a-volume-to-VM-more-than-2TB-on-Linux-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to attach a volume to VM more than 2TB on Linux on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../datavolume/Ephemeral-vs-Persistent-storage-option-Create-New-Volume-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> Ephemeral vs Persistent storage option Create New Volume on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../datavolume/How-to-export-a-volume-over-NFS-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to export a volume over NFS on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../datavolume/How-to-export-a-volume-over-NFS-outside-of-a-project-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to export a volume over NFS outside of a project on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../datavolume/How-to-extend-the-volume-in-Linux-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to extend the volume in Linux on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../datavolume/How-to-mount-object-storage-in-Linux-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to mount object storage in Linux on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../datavolume/How-to-move-data-volume-between-two-VMs-using-OpenStack-Horizon-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to move data volume between two VMs using OpenStack Horizon on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../datavolume/How-many-objects-can-I-put-into-Object-Storage-container-bucket-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How many objects can I put into Object Storage container bucket on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../datavolume/How-to-create-volume-Snapshot-and-attach-as-Volume-on-Linux-or-Windows-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to create volume Snapshot and attach as Volume on Linux or Windows on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../datavolume/Volume-snapshot-inheritance-and-its-consequences-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> Volume snapshot inheritance and its consequences on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../datavolume/How-To-Create-Backup-Of-Your-Volume-From-Windows-Machine-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to Create Backup of Your Volume From Windows Machine on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../datavolume/How-To-Attach-Volume-To-Windows-VM-On-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How To Attach Volume To Windows VM On 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../datavolume/How-to-create-or-delete-volume-snapshot-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to create or delete volume snapshot on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../datavolume/How-to-restore-volume-from-snapshot-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to restore volume from snapshot on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../datavolume/Bootable-versus-non-bootable-volumes-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> Bootable versus non-bootable volumes on 3Engines Cloud </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle " type=checkbox id=__nav_4> <label class=md-nav__link for=__nav_4 id=__nav_4_label tabindex=0> <span class=md-ellipsis> Networking </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=1 aria-labelledby=__nav_4_label aria-expanded=false> <label class=md-nav__title for=__nav_4> <span class="md-nav__icon md-icon"></span> Networking </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../networking/networking.html.html class=md-nav__link> <span class=md-ellipsis> Overview </span> </a> </li> <li class=md-nav__item> <a href=../networking/How-can-I-access-my-VMs-using-names-instead-of-IP-addresses-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How can I access my VMs using names instead of IP addresses on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../networking/How-to-Add-or-Remove-Floating-IPs-to-your-VM-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to Add or Remove Floating IP’s to your VM on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../networking/Cannot-access-VM-with-SSH-or-PING-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> Cannot access VM with SSH or PING on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../networking/Cannot-ping-VM-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> Cannot ping VM on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../networking/How-to-connect-to-your-virtual-machine-via-SSH-in-Linux-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to connect to your virtual machine via SSH in Linux on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../networking/How-to-create-a-network-with-router-in-Horizon-Dashboard-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to create a network with router in Horizon Dashboard on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../networking/How-can-I-open-new-ports-port-80-for-http-for-my-service-or-instance-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How can I open new ports for http for my service or instance on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../networking/Generating-a-SSH-keypair-in-Linux-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> Generating an SSH keypair in Linux on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../networking/How-to-add-SSH-key-from-Horizon-web-console-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to add SSH key from Horizon web console on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../networking/How-is-my-VM-visible-in-the-internet-with-no-Floating-IP-attached-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How is my VM visible in the internet with no Floating IP attached on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../networking/How-to-run-and-configure-Firewall-as-a-service-and-VPN-as-a-service-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to run and configure Firewall as a service and VPN as a service on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../networking/How-to-Import-SSH-Public-Key-to-OpenStack-Horizon-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to import SSH public key to OpenStack Horizon on 3Engines Cloud </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle " type=checkbox id=__nav_5> <label class=md-nav__link for=__nav_5 id=__nav_5_label tabindex=0> <span class=md-ellipsis> S3 </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=1 aria-labelledby=__nav_5_label aria-expanded=false> <label class=md-nav__title for=__nav_5> <span class="md-nav__icon md-icon"></span> S3 </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../s3/s3.html.html class=md-nav__link> <span class=md-ellipsis> Overview </span> </a> </li> <li class=md-nav__item> <a href=../s3/How-to-delete-large-S3-bucket-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to Delete Large S3 Bucket on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../s3/How-to-mount-object-storage-container-as-a-file-system-in-Linux-using-s3fs-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to Mount Object Storage Container as a File System in Linux Using s3fs on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../s3/Bucket-sharing-using-s3-bucket-policy-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> Bucket sharing using s3 bucket policy on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../s3/How-to-use-Object-Storage-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to use Object Storage on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../s3/How-to-access-private-object-storage-using-S3cmd-or-boto3-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to access private object storage using S3cmd or boto3 on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../s3/How-To-Install-boto3-In-Windows-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to Install Boto3 in Windows on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../s3/Server-Side-Encryption-with-Customer-Managed-Keys-SSE-C-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> Server-Side Encryption with Customer-Managed Keys (SSE-C) on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../s3/How-to-mount-object-storage-container-from-3Engines-Cloud-as-file-system-on-local-Windows-computer.html.html class=md-nav__link> <span class=md-ellipsis> How to mount object storage container from 3Engines Cloud as file system on local Windows computer </span> </a> </li> <li class=md-nav__item> <a href=../s3/How-to-install-s3cmd-on-Linux-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to install s3cmd on Linux on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../s3/How-to-access-object-storage-from-3Engines-Cloud-using-boto3.html.html class=md-nav__link> <span class=md-ellipsis> How to access object storage from 3Engines Cloud using boto3 </span> </a> </li> <li class=md-nav__item> <a href=../s3/How-to-access-object-storage-from-3Engines-Cloud-using-s3cmd.html.html class=md-nav__link> <span class=md-ellipsis> How to access object storage from 3Engines Cloud using s3cmd </span> </a> </li> <li class=md-nav__item> <a href=../s3/Configuration-files-for-s3cmd-command-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> Configuration files for s3cmd command on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../s3/S3-bucket-object-versioning-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> S3 bucket object versioning on 3Engines Cloud </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle " type=checkbox id=__nav_6> <label class=md-nav__link for=__nav_6 id=__nav_6_label tabindex=0> <span class=md-ellipsis> Windows </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=1 aria-labelledby=__nav_6_label aria-expanded=false> <label class=md-nav__title for=__nav_6> <span class="md-nav__icon md-icon"></span> Windows </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../windows/windows.html.html class=md-nav__link> <span class=md-ellipsis> Overview </span> </a> </li> <li class=md-nav__item> <a href=../windows/How-to-access-a-VM-from-Windows-PuTTY-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to access a VM from Windows PuTTY on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../windows/Connecting-to-a-Windows-VM-via-RDP-through-a-Linux-bastion-host-port-forwarding-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> Connecting to a Windows VM via RDP through a Linux bastion host port forwarding on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../windows/How-to-connect-to-a-virtual-machine-via-SSH-from-Windows-10-Command-Prompt-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to connect to a virtual machine via SSH from Windows 10 Command Prompt on 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../windows/How-To-Create-SSH-Key-Pair-In-Windows-On-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to Create SSH Key Pair in Windows 10 On 3Engines Cloud </span> </a> </li> <li class=md-nav__item> <a href=../windows/Can-I-change-my-password-through-RDP-on-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> Can I change my password through RDP on 3Engines Cloud? </span> </a> </li> <li class=md-nav__item> <a href=../windows/How-To-Create-SSH-Key-Pair-In-Windows-11-On-3Engines-Cloud.html.html class=md-nav__link> <span class=md-ellipsis> How to Create SSH Key Pair in Windows 11 On 3Engines Cloud </span> </a> </li> </ul> </nav> </li> </ul> </nav> </div> </div> </div> <div class="md-sidebar md-sidebar--secondary" data-md-component=sidebar data-md-type=toc> <div class=md-sidebar__scrollwrap> <div class=md-sidebar__inner> <nav class="md-nav md-nav--secondary" aria-label="On this page"> <label class=md-nav__title for=__toc> <span class="md-nav__icon md-icon"></span> On this page </label> <ul class=md-nav__list data-md-component=toc data-md-scrollfix> <li class=md-nav__item> <a href=#what-we-are-going-to-cover class=md-nav__link> <span class=md-ellipsis> What We Are Going To Cover🔗 </span> </a> </li> <li class=md-nav__item> <a href=#prerequisites class=md-nav__link> <span class=md-ellipsis> Prerequisites🔗 </span> </a> </li> <li class=md-nav__item> <a href=#the-plan class=md-nav__link> <span class=md-ellipsis> The Plan🔗 </span> </a> </li> <li class=md-nav__item> <a href=#step-1-create-directory-to-download-the-certificates class=md-nav__link> <span class=md-ellipsis> Step 1 Create directory to download the certificates🔗 </span> </a> </li> <li class=md-nav__item> <a href=#step-2a-download-certificates-from-the-server-using-the-cli-commands class=md-nav__link> <span class=md-ellipsis> Step 2A Download Certificates From the Server using the CLI commands🔗 </span> </a> </li> <li class=md-nav__item> <a href=#step-2b-download-certificates-from-the-server-using-horizon-commands class=md-nav__link> <span class=md-ellipsis> Step 2B Download Certificates From the Server using Horizon commands🔗 </span> </a> </li> <li class=md-nav__item> <a href=#step-3-verify-that-kubectl-has-access-to-the-cloud class=md-nav__link> <span class=md-ellipsis> Step 3 Verify That kubectl Has Access to the Cloud🔗 </span> </a> </li> <li class=md-nav__item> <a href=#what-to-do-next class=md-nav__link> <span class=md-ellipsis> What To Do Next🔗 </span> </a> </li> </ul> </nav> </div> </div> </div> <div class=md-content data-md-component=content> <article class="md-content__inner md-typeset"> <h1 id=how-to-access-kubernetes-cluster-post-deployment-using-kubectl-on-3engines-cloud-openstack-magnum>How To Access Kubernetes Cluster Post Deployment Using Kubectl On 3Engines Cloud OpenStack Magnum<a href=#how-to-access-kubernetes-cluster-post-deployment-using-kubectl-on-brand-name-openstack-magnum title="Permalink to this headline">🔗</a><a class=headerlink href=#how-to-access-kubernetes-cluster-post-deployment-using-kubectl-on-3engines-cloud-openstack-magnum title="Permanent link">&para;</a></h1> <p>In this tutorial, you start with a freshly installed Kubernetes cluster on 3Engines OpenStack server and connect the main Kubernetes tool, <strong>kubectl</strong> to the cloud.</p> <h2 id=what-we-are-going-to-cover>What We Are Going To Cover<a href=#what-we-are-going-to-cover title="Permalink to this headline">🔗</a><a class=headerlink href=#what-we-are-going-to-cover title="Permanent link">&para;</a></h2> <blockquote> <ul> <li>How to connect <strong>kubectl</strong> to the OpenStack Magnum server</li> <li>How to access clusters with <strong>kubectl</strong></li> </ul> </blockquote> <h2 id=prerequisites>Prerequisites<a href=#prerequisites title="Permalink to this headline">🔗</a><a class=headerlink href=#prerequisites title="Permanent link">&para;</a></h2> <p>No. 1 <strong>Hosting</strong></p> <p>You need a 3Engines Cloud hosting account with Horizon interface <a href=https://horizon.3Engines.com>https://horizon.3Engines.com</a>.</p> <p>No. 2 <strong>Installation of kubectl</strong></p> <p>Standard types of <strong>kubectl</strong> installation are described on <a href=https://kubernetes.io/docs/tasks/tools/ >Install Tools page</a> of the official Kubernetes site.</p> <p>No. 3 <strong>A cluster already installed on Magnum site</strong></p> <p>You may already have a cluster installed if you have followed one of these articles:</p> <blockquote> <ul> <li>With Horizon interface: <a href=How-to-Create-a-Kubernetes-Cluster-Using-3Engines-Cloud-OpenStack-Magnum.html.html>How to Create a Kubernetes Cluster Using 3Engines Cloud OpenStack Magnum</a>.</li> <li>With command line interface: <a href=How-To-Use-Command-Line-Interface-for-Kubernetes-Clusters-On-3Engines-Cloud-OpenStack-Magnum.html.html>How To Use Command Line Interface for Kubernetes Clusters On 3Engines Cloud OpenStack Magnum</a>.</li> </ul> </blockquote> <ul> <li>Or, you may want to create a new cluster called <em>k8s-cluster</em>, just for this occasion – by using the following CLI command:</li> </ul> <div class=highlight><pre><span></span><code><span id=__span-0-1><a id=__codelineno-0-1 name=__codelineno-0-1 href=#__codelineno-0-1></a>openstack coe cluster create \
</span><span id=__span-0-2><a id=__codelineno-0-2 name=__codelineno-0-2 href=#__codelineno-0-2></a>--cluster-template k8s-stable-1.23.5 \
</span><span id=__span-0-3><a id=__codelineno-0-3 name=__codelineno-0-3 href=#__codelineno-0-3></a>--labels eodata_access_enabled=false,floating-ip-enabled=true,master-lb-enabled=true \
</span><span id=__span-0-4><a id=__codelineno-0-4 name=__codelineno-0-4 href=#__codelineno-0-4></a>--merge-labels \
</span><span id=__span-0-5><a id=__codelineno-0-5 name=__codelineno-0-5 href=#__codelineno-0-5></a>--keypair sshkey \
</span><span id=__span-0-6><a id=__codelineno-0-6 name=__codelineno-0-6 href=#__codelineno-0-6></a>--master-count 3 \
</span><span id=__span-0-7><a id=__codelineno-0-7 name=__codelineno-0-7 href=#__codelineno-0-7></a>--node-count 2 \
</span><span id=__span-0-8><a id=__codelineno-0-8 name=__codelineno-0-8 href=#__codelineno-0-8></a>--master-flavor eo1.large \
</span><span id=__span-0-9><a id=__codelineno-0-9 name=__codelineno-0-9 href=#__codelineno-0-9></a>--flavor eo1.large \
</span><span id=__span-0-10><a id=__codelineno-0-10 name=__codelineno-0-10 href=#__codelineno-0-10></a>k8s-cluster
</span></code></pre></div> <p>Warning</p> <p>It takes some 10-20 minutes for the new cluster to form.</p> <p>In the rest of this text we shall use cluster name <em>k8s-cluster</em> – be sure to use the name of the existing cluster instead.</p> <p>No. 4 <strong>Connect openstack client to the cloud</strong></p> <p>Prepare <strong>openstack</strong> and <strong>magnum</strong> clients by executing <em>Step 2 Connect OpenStack and Magnum Clients to Horizon Cloud</em> from article <a href=How-To-Install-OpenStack-and-Magnum-Clients-for-Command-Line-Interface-to-3Engines-Cloud-Horizon.html.html>How To Install OpenStack and Magnum Clients for Command Line Interface to 3Engines Cloud Horizon</a>.</p> <h2 id=the-plan>The Plan<a href=#the-plan title="Permalink to this headline">🔗</a><a class=headerlink href=#the-plan title="Permanent link">&para;</a></h2> <blockquote> <ul> <li>Follow up the steps listed in Prerequisite No. 2 and install <strong>kubectl</strong> on the platform of your choice.</li> <li>Use the existing Kubernetes cluster on 3Engines or install a new one using the methods outlined in Prerequisites Nos. 3.</li> <li>Use Step 2 in Prerequisite No. 4 to enable connection of <strong>openstack</strong> and <strong>magnum</strong> clients to the cloud.</li> </ul> </blockquote> <p>You are then going to connect <strong>kubectl</strong> to the Cloud.</p> <h2 id=step-1-create-directory-to-download-the-certificates>Step 1 Create directory to download the certificates<a href=#step-1-create-directory-to-download-the-certificates title="Permalink to this headline">🔗</a><a class=headerlink href=#step-1-create-directory-to-download-the-certificates title="Permanent link">&para;</a></h2> <p>Create a new directory called <em>k8sdir</em> into which the certificates will be downloaded:</p> <div class=highlight><pre><span></span><code><span id=__span-1-1><a id=__codelineno-1-1 name=__codelineno-1-1 href=#__codelineno-1-1></a>mkdir k8sdir
</span></code></pre></div> <p>Once the certificate file is downloaded, you will execute a command similar to this:</p> <div class=highlight><pre><span></span><code><span id=__span-2-1><a id=__codelineno-2-1 name=__codelineno-2-1 href=#__codelineno-2-1></a>export KUBECONFIG=/home/dusko/k8sdir/config
</span></code></pre></div> <p>This assumes</p> <blockquote> <ul> <li>using an Ubuntu environment (<em>/home</em>),</li> <li>that the user is <em>dusko</em>,</li> <li>the directory you just created <em>/k8sdir</em> and, finally, that</li> <li><em>config</em> is the file which contains data for authorizing to the Kubernetes cluster.</li> </ul> </blockquote> <p>Note</p> <p>In Linux, a file may or may not have an extension, while on Windows, it must have an extension.</p> <h2 id=step-2a-download-certificates-from-the-server-using-the-cli-commands>Step 2A Download Certificates From the Server using the CLI commands<a href=#step-2a-download-certificates-from-the-server-using-the-cli-commands title="Permalink to this headline">🔗</a><a class=headerlink href=#step-2a-download-certificates-from-the-server-using-the-cli-commands title="Permanent link">&para;</a></h2> <p>You will use command</p> <div class=highlight><pre><span></span><code><span id=__span-3-1><a id=__codelineno-3-1 name=__codelineno-3-1 href=#__codelineno-3-1></a>openstack coe cluster config
</span></code></pre></div> <p>to download the files that <strong>kubectl</strong> needs for authentication with the server. See its input parameters using the <strong>–help</strong> parameter:</p> <div class=highlight><pre><span></span><code><span id=__span-4-1><a id=__codelineno-4-1 name=__codelineno-4-1 href=#__codelineno-4-1></a>openstack coe cluster config --help
</span><span id=__span-4-2><a id=__codelineno-4-2 name=__codelineno-4-2 href=#__codelineno-4-2></a>usage: openstack coe cluster config [-h]
</span><span id=__span-4-3><a id=__codelineno-4-3 name=__codelineno-4-3 href=#__codelineno-4-3></a> [--dir &lt;dir&gt;] [--force] [--output-certs]
</span><span id=__span-4-4><a id=__codelineno-4-4 name=__codelineno-4-4 href=#__codelineno-4-4></a> [--use-certificate] [--use-keystone]
</span><span id=__span-4-5><a id=__codelineno-4-5 name=__codelineno-4-5 href=#__codelineno-4-5></a> &lt;cluster&gt;
</span><span id=__span-4-6><a id=__codelineno-4-6 name=__codelineno-4-6 href=#__codelineno-4-6></a>
</span><span id=__span-4-7><a id=__codelineno-4-7 name=__codelineno-4-7 href=#__codelineno-4-7></a>Get Configuration for a Cluster
</span><span id=__span-4-8><a id=__codelineno-4-8 name=__codelineno-4-8 href=#__codelineno-4-8></a>
</span><span id=__span-4-9><a id=__codelineno-4-9 name=__codelineno-4-9 href=#__codelineno-4-9></a>positional arguments:
</span><span id=__span-4-10><a id=__codelineno-4-10 name=__codelineno-4-10 href=#__codelineno-4-10></a> &lt;cluster&gt; The name or UUID of cluster to update
</span><span id=__span-4-11><a id=__codelineno-4-11 name=__codelineno-4-11 href=#__codelineno-4-11></a>
</span><span id=__span-4-12><a id=__codelineno-4-12 name=__codelineno-4-12 href=#__codelineno-4-12></a>optional arguments:
</span><span id=__span-4-13><a id=__codelineno-4-13 name=__codelineno-4-13 href=#__codelineno-4-13></a> -h, --help show this help message and exit
</span><span id=__span-4-14><a id=__codelineno-4-14 name=__codelineno-4-14 href=#__codelineno-4-14></a> --dir &lt;dir&gt; Directory to save the certificate and config files.
</span><span id=__span-4-15><a id=__codelineno-4-15 name=__codelineno-4-15 href=#__codelineno-4-15></a> --force Overwrite files if existing.
</span><span id=__span-4-16><a id=__codelineno-4-16 name=__codelineno-4-16 href=#__codelineno-4-16></a> --output-certs Output certificates in separate files.
</span><span id=__span-4-17><a id=__codelineno-4-17 name=__codelineno-4-17 href=#__codelineno-4-17></a> --use-certificate Use certificate in config files.
</span><span id=__span-4-18><a id=__codelineno-4-18 name=__codelineno-4-18 href=#__codelineno-4-18></a> --use-keystone Use Keystone token in config files.
</span></code></pre></div> <p>Download the certificates into the <em>k8sdir</em> folder:</p> <div class=highlight><pre><span></span><code><span id=__span-5-1><a id=__codelineno-5-1 name=__codelineno-5-1 href=#__codelineno-5-1></a>openstack coe cluster config \
</span><span id=__span-5-2><a id=__codelineno-5-2 name=__codelineno-5-2 href=#__codelineno-5-2></a>--dir k8sdir \
</span><span id=__span-5-3><a id=__codelineno-5-3 name=__codelineno-5-3 href=#__codelineno-5-3></a>--force \
</span><span id=__span-5-4><a id=__codelineno-5-4 name=__codelineno-5-4 href=#__codelineno-5-4></a>--output-certs \
</span><span id=__span-5-5><a id=__codelineno-5-5 name=__codelineno-5-5 href=#__codelineno-5-5></a>k8s-cluster
</span></code></pre></div> <p>Four files will be downloaded into the folder:</p> <div class=highlight><pre><span></span><code><span id=__span-6-1><a id=__codelineno-6-1 name=__codelineno-6-1 href=#__codelineno-6-1></a>ls k8sdir
</span><span id=__span-6-2><a id=__codelineno-6-2 name=__codelineno-6-2 href=#__codelineno-6-2></a>ca.pem cert.pem config key.pem
</span></code></pre></div> <p>Parameter <em>–output-certs</em> produces <em>.pem</em> files, which are X.509 certificates, originally created so that they can be sent via email. File <em>config</em> combines the <em>.pem</em> files and contains all the information needed for <strong>kubectl</strong> to access the cloud. Using <em>–force</em> overwrites the existing files (if any), so you are guaranteed to work with only the latest versions of the files from the server.</p> <p>The result of this command is shown in the row below:</p> <div class=highlight><pre><span></span><code><span id=__span-7-1><a id=__codelineno-7-1 name=__codelineno-7-1 href=#__codelineno-7-1></a>export KUBECONFIG=/home/dusko/k8sdir/config
</span></code></pre></div> <p>Copy this command and paste it into the command line of terminal, then press the <em>Enter</em> key on the keyboard to execute it. System variable KUBECONFIG will be thus initialized and the <strong>kubectl</strong> command will have access to the <em>config</em> file at all times.</p> <p>This is the entire procedure in terminal window:</p> <p><a class=glightbox href=../_images/download_config_cli.png data-type=image data-width=100% data-height=auto data-desc-position=bottom><img alt=download_config_cli.png src=../_images/download_config_cli.png></a></p> <h2 id=step-2b-download-certificates-from-the-server-using-horizon-commands>Step 2B Download Certificates From the Server using Horizon commands<a href=#step-2b-download-certificates-from-the-server-using-horizon-commands title="Permalink to this headline">🔗</a><a class=headerlink href=#step-2b-download-certificates-from-the-server-using-horizon-commands title="Permanent link">&para;</a></h2> <p>You can download the config file from Horizon directly to your computer. First list the clusters with command <strong>Container Infra</strong> -&gt; <strong>Clusters</strong>, find the cluster and click on the rightmost drop-down menu in its column:</p> <p><a class=glightbox href=../_images/download_config_horizon.png data-type=image data-width=100% data-height=auto data-desc-position=bottom><img alt=download_config_horizon.png src=../_images/download_config_horizon.png></a></p> <p>Click on option <strong>Show Cluster Config</strong> and the config file will be downloaded to the editor:</p> <p><a class=glightbox href=../_images/cluster_config_editor.png data-type=image data-width=100% data-height=auto data-desc-position=bottom><img alt=cluster_config_editor.png src=../_images/cluster_config_editor.png></a></p> <p>From the editor, save it on disk. The file name will combine the name of the cluster with the word <em>config</em> and if you have downloaded the same file several times, there may be a dash followed by a number, like this:</p> <div class=highlight><pre><span></span><code><span id=__span-8-1><a id=__codelineno-8-1 name=__codelineno-8-1 href=#__codelineno-8-1></a>k8s-cluster-config-1.yaml
</span></code></pre></div> <p>For uniformity, save it to the same folder <em>k8sdir</em> as the <em>config</em> file and set up the KUBECONFIG variable to that address:</p> <div class=highlight><pre><span></span><code><span id=__span-9-1><a id=__codelineno-9-1 name=__codelineno-9-1 href=#__codelineno-9-1></a>export KUBECONFIG=/home/dusko/k8sdir/k8s-cluster_config-1.yaml
</span></code></pre></div> <p>Depending on your environment, you may need to open a new terminal window to make the above command work.</p> <h2 id=step-3-verify-that-kubectl-has-access-to-the-cloud>Step 3 Verify That kubectl Has Access to the Cloud<a href=#step-3-verify-that-kubectl-has-access-to-the-cloud title="Permalink to this headline">🔗</a><a class=headerlink href=#step-3-verify-that-kubectl-has-access-to-the-cloud title="Permanent link">&para;</a></h2> <p>See basic data about the cluster with the following command:</p> <div class=highlight><pre><span></span><code><span id=__span-10-1><a id=__codelineno-10-1 name=__codelineno-10-1 href=#__codelineno-10-1></a>kubectl get nodes -o wide
</span></code></pre></div> <p>The result is:</p> <p><a class=glightbox href=../_images/get_nodes_large.png data-type=image data-width=100% data-height=auto data-desc-position=bottom><img alt=get_nodes_large.png src=../_images/get_nodes_large.png></a></p> <p>That verifies that <strong>kubectl</strong> has proper access to the cloud.</p> <p>To see available commands <strong>kubectl</strong> has, use:</p> <div class=highlight><pre><span></span><code><span id=__span-11-1><a id=__codelineno-11-1 name=__codelineno-11-1 href=#__codelineno-11-1></a>kubectl --help
</span></code></pre></div> <p>The listing is too long to reproduce here, but here is how it starts:</p> <p><a class=glightbox href=../_images/kubectl_help.png data-type=image data-width=100% data-height=auto data-desc-position=bottom><img alt=kubectl_help.png src=../_images/kubectl_help.png></a></p> <p><strong>kubectl</strong> also has a long list of options, which are parameters that can be applied to any command. See them with</p> <div class=highlight><pre><span></span><code><span id=__span-12-1><a id=__codelineno-12-1 name=__codelineno-12-1 href=#__codelineno-12-1></a>kubectl options
</span></code></pre></div> <h2 id=what-to-do-next>What To Do Next<a href=#what-to-do-next title="Permalink to this headline">🔗</a><a class=headerlink href=#what-to-do-next title="Permanent link">&para;</a></h2> <p>With <strong>kubectl</strong> operational, you can</p> <blockquote> <ul> <li>deploy apps on the cluster,</li> <li>access multiple clusters,</li> <li>create load balancers,</li> <li>access applications in the cluster using port forwarding,</li> <li>use Service to access application in a cluster,</li> <li>list container images in the cluster</li> <li>use Services, Deployments and all other resources in a Kubernetes cluster.</li> </ul> </blockquote> <p>Kubernetes dashboard is a visual alternative to <strong>kubectl</strong>. To install it, see <a href=Using-Dashboard-To-Access-Kubernetes-Cluster-Post-Deployment-On-3Engines-Cloud-OpenStack-Magnum.html.html>Using Dashboard To Access Kubernetes Cluster Post Deployment On 3Engines Cloud OpenStack Magnum</a>.</p> </article> </div> <script>var target=document.getElementById(location.hash.slice(1));target&&target.name&&(target.checked=target.name.startsWith("__tabbed_"))</script> </div> <button type=button class="md-top md-icon" data-md-component=top hidden> <svg xmlns=http://www.w3.org/2000/svg viewbox="0 0 24 24"><path d="M13 20h-2V8l-5.5 5.5-1.42-1.42L12 4.16l7.92 7.92-1.42 1.42L13 8z"/></svg> Back to top </button> </main> <footer class=md-footer> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> Made with <a href=https://squidfunk.github.io/mkdocs-material/ target=_blank rel=noopener> Material for MkDocs </a> </div> </div> </div> </footer> </div> <div class=md-dialog data-md-component=dialog> <div class="md-dialog__inner md-typeset"></div> </div> <script id=__config type=application/json>{"base": "..", "features": ["content.code.annotate", "content.code.copy", "content.tooltips", "navigation.tabs", "navigation.sections", "navigation.footer", "navigation.indexes", "navigation.sections", "navigation.top", "navigation.tracking", "search.highlight", "search.share", "search.suggest", "toc.follow"], "search": "../assets/javascripts/workers/search.d50fe291.min.js", "tags": null, "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}, "version": null}</script> <script src=../assets/javascripts/bundle.13a4f30d.min.js></script> <script id="init-glightbox">const lightbox = GLightbox({"touchNavigation": false, "loop": false, "zoomable": true, "draggable": true, "openEffect": "zoom", "closeEffect": "zoom", "slideEffect": "slide"});
document$.subscribe(() => { lightbox.reload() });
</script></body> </html>
Reference in New Issue View Git Blame Copy Permalink