OpenShift Cheatsheet: Difference between revisions
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(Created page with "Here some helpful OpenShift commands which work (at least) since version >= 4.11 Useful terms: '''IPI''' Installer-provisioned infrastructure cluster<br> Cluster insta...") |
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Advantages:<br> |
Advantages:<br> |
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IPI: installation more simple, using preconfigured features<br> |
IPI: installation more simple, using preconfigured features<br> |
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UPI: no loadbalancer outage during update |
UPI: more flexibility, no loadbalancer outage during update |
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Change from IPI -> UPI not possible |
Change from IPI -> UPI not possible |
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'''How to get a token:''' |
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https://oauth-openshift.apps.ocp.example.com/oauth/token/display |
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You might need it for login or automatization. |
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Revision as of 21:47, 10 August 2023
Here some helpful OpenShift commands which work (at least) since version >= 4.11
Useful terms:
IPI Installer-provisioned infrastructure cluster
Cluster installed by install command; user must only provide some information (which platform, cluster name, network, storage, ...)
UPI User provisioned infrastructure cluster
- DNS and Loadbalancing must already be there
- Installation manually, download ova file (in case of vSphere)
- master created manually
- workers recommended
- *no* keepalived
Advantages:
IPI: installation more simple, using preconfigured features
UPI: more flexibility, no loadbalancer outage during update
Change from IPI -> UPI not possible
How to get a token: https://oauth-openshift.apps.ocp.example.com/oauth/token/display
You might need it for login or automatization.