kubevirt: add vm2 + notes

This commit is contained in:
Nico Schottelius 2021-06-07 22:50:19 +02:00
parent c5e69666c8
commit f63e03481c
2 changed files with 78 additions and 0 deletions

38
kubevirt/README.md Normal file
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## Host tunings
To fix
```
"component":"virt-handler","level":"error","msg":"Error starting tun
device plugin","pos":"device_controller.go:73","reason":"failed to add
the device root path to the watcher: no such file or
directory","timestamp":"2021-06-07T20:15:48.557412Z"
```
use
```
modprobe tun
```
To fix
```
Warning FailedScheduling 67s (x2 over 69s) default-scheduler 0/4
nodes are available: 1 node(s) had taint
{node-role.kubernetes.io/master: }, that the pod didn't tolerate, 3
Insufficient devices.kubevirt.io/vhost-net.
```
```
modprobe vhost_net
```
## Failing to create tap devices
```
failed to configure vmi network: Critical network error: error
creating tap device named tap0; failed to create tap device tap0: exit
status 1
```

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apiVersion: kubevirt.io/v1alpha3
kind: VirtualMachineInstance
metadata:
name: testvmi-nocloud
spec:
terminationGracePeriodSeconds: 30
domain:
resources:
requests:
memory: 1024M
devices:
disks:
- name: containerdisk
disk:
bus: virtio
- name: emptydisk
disk:
bus: virtio
- disk:
bus: virtio
name: cloudinitdisk
interfaces:
- name: default
masquerade: {}
networks:
- name: default
pod: {}
volumes:
- name: containerdisk
containerDisk:
image: kubevirt/fedora-cloud-container-disk-demo:latest
- name: emptydisk
emptyDisk:
capacity: "2Gi"
- name: cloudinitdisk
cloudInitNoCloud:
userData: |-
#cloud-config
password: fedora
chpasswd: { expire: False }