fabiand’s gists

fabiand / examples.yaml

Last active December 20, 2023 11:15

explicit swap

	# "Explicit swap"
	# The user can explicitly request swap
	kind: Pod
	spec:
	resources
	requests:
	# This assumes separate resources for mem and swap
	# Set by user
	memory: 2G
	# Set by user

fabiand / example-tree-play.yaml

Created July 11, 2023 11:00

	- hosts: localhost
	tasks:
	- name: Create VM
	kubernetes.kubevirt.kubevirt_vm:
	state: present
	name: testvm
	namespace: default
	labels:
	app: test
	spec:

fabiand / new-virtctl.sh

Last active May 11, 2023 13:54

	$ ./virtctl-v0.50.0-rc.0-linux-amd64
	Available Commands:
	plug volume add a volume to a running VM
	completion generate the autocompletion script for the specified shell
	console Connect to a console of a virtual machine instance.
	expose Expose a virtual machine instance, virtual machine, or virtual machine instance replica set as a new service.
	guest fs Return full list of filesystems available on the guest machine.
	guestfs Start a shell into the libguestfs pod
	guest osinfo Return guest agent info about operating system.
	help Help about any command

fabiand / ssh_config

Last active December 15, 2023 07:18

	# virtctl is in your $PATH
	# You are logged into a cluster
	# Then the snippet below enables seamless ssh login.
	# Usage `ssh [<user>@]<vmname>.<namespace>.ocp`
	# "ocp" can be anything, for convenience replace with your cluster's base fqdn
	host *.ocp
	ProxyCommand virtctl port-forward --stdio=true %h %p

fabiand / 4.12-flows.md

Last active February 27, 2023 08:32

flows.md

    flowchart
    OCP --> AdminView
    OCP --> DevView

    subgraph Views
        DevView
        AdminView
    end
    

  

fabiand / from-to-hs.md

Last active February 10, 2023 09:17

    flowchart
    qPlatform["Current platform?"]
    qBM["With Bare-Metal nodes?"]
    qAZ["Special AZ needs?"]

    to-UPI["Use UPI"]
    to-hypershift["Use Hypershift"]

 qPlatform -- UPI-none --&gt; qBM

  

fabiand / fake-playbook.yaml

Last active November 16, 2022 10:28

Ansible Playbook for KubeVirt VM with InstanceTypes and Prefs

	# JUST TO BRAINSTORM

	- name: Create a VM object from an inline definition
	vm.kubevirt.io:
	state: present
	name: my-vm
	namespace: my-namespace
	spec:
	instancetype:
	name: clarge

fabiand / domain.yaml

Created September 2, 2022 11:41

	apiVersion: kubevirt.io/v1
	kind: VirtualMachine
	metadata:
	name: fedora
	spec:
	template:
	spec:
	domain:
	cpu:
	cores: 2

fabiand / mgloki.py

Last active July 14, 2022 11:39

Index pod/container logs into loki running locally


	# loki from
	# https://github.com/grafana/loki/tree/v2.6.0
	# run:
	# $ pwd
	# <somewhere>/ocp-must-gather.local.614777<...>openshift-origin-must-gather-sha256-<...>77c9c15e76eca
	# $ python3 mgloki.py
	# namespaces/openshift-apiserver-operator/pods/openshift-apiserver-operator-76bd66d74b-v22tc/openshift-apiserver-operator-55bdd9d74b-v63tc.yaml
	# …
	#

fabiand / gist:1ecdcf45c75b38e8fb226e3f978b1fe0

Last active June 27, 2022 19:17

ResourceQuota without resource limits

	# https://kubernetes.io/docs/tasks/administer-cluster/manage-resources/quota-memory-cpu-namespace/

	[fabiand@toolbox Downloads]$ minikube kubectl -- apply -f - <<EOF
	apiVersion: v1
	kind: ResourceQuota
	metadata:
	name: mem-cpu-demo
	spec:
	hard:
	requests.cpu: "1"

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