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  almost 5 years ago by zzhou | Reply

  hackweek19 openSUSE MicroOS/Kubic JUST Get Started

  Q: what the difference between MicroOS and Kubic?
  First impression from openSUSE Wiki is confusing: they are Tumbleweed variants

  Kubic DVD installation: kubic-template, kubic-master, kubic-worker1

  1. VM: kubic-template

  Kubic DVD -> System Role = kubeadm

  transactional-update pkg install yast2-network

  ( NOTE: not allowed, zypper in yast2-network )

  1. Copy VM to: kubic-master, kubic-worker1

  To manipulate overlayfs(/etc) on top of readonly rootfs

  virt-dup -o kubic-template -n kubic-master,ip=192.168.200.100/24
  virt-dup -o kubic-template -n kubic-worker1,ip=192.168.200.101/24

  https://github.com/zzhou1/virt-dup

  1. kubic-master bootstrap

  ``` kubeadm --v=5 init

  [preflight] pref-light-check . [ERROR NumCPU]: the number of available CPUs 1 is less than the required 2 . [ERROR FileContent--proc-sys-net-ipv4-ipforward] https://github.com/kubernetes/kubeadm/issues/1062 bsc#1163328 Kubic Installer System Role should not disable ipforward . [ERROR ImagePull]: ... net/http: TLS handshake timeout NOTE: Need pull ~500M image from the bad internet connection.
  Have to give up from home, so far! ```

  Install Kubic with cloud-init and VM images

  1. "cloud-init ready" VM images https://download.opensuse.org/repositories/devel:/kubic:/images/

  2. prepare cloud-init CD-ROM: ci-data.iso

  ``` PWD=$(pwd) mkdir -p $PWD/kubic/cloud-init-iso

  cd $PWD/kubic/cloud-init-iso touch meta-data user-data REF: https://en.opensuse.org/Kubic:MicroOS/cloud-init

  eg. meta-data: instance-id: xxxxx user-data: add your own ssh-key for passwordless access user-data: add your user/passwd user-data: root-passwd=linux

  cd $PWD/kubic/ sudo mkisofs -output ci-data.iso -volid cidata -joliet -rock cloud-init-iso ```

  1. boot VM img with CD-ROM ci-data.iso
     

  Enjoy passwordless ssh!

  Takeaway

  • Two installation approaches:

    • DVD
    • cloud-init VM image is a very handy

  • BAD: so far, the internet requirement is to high to do kubeadm init yet to figure out the workaround for China

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# hackweek19 _openSUSE MicroOS/Kubic JUST Get Started_ Q: what the difference between MicroOS and Kubic? First impression from openSUSE Wiki is confusing: they are Tumbleweed variants ## Kubic DVD installation: kubic-template, kubic-master, kubic-worker1 1. VM: kubic-template Kubic DVD -> System Role = kubeadm `transactional-update pkg install yast2-network` ( NOTE: not allowed, `zypper in yast2-network` ) 2. Copy VM to: kubic-master, kubic-worker1 To manipulate overlayfs(/etc) on top of readonly rootfs virt-dup -o kubic-template -n kubic-master,ip=192.168.200.100/24 virt-dup -o kubic-template -n kubic-worker1,ip=192.168.200.101/24 https://github.com/zzhou1/virt-dup 3. kubic-master bootstrap ``` kubeadm --v=5 init [preflight] pref-light-check . [ERROR NumCPU]: the number of available CPUs 1 is less than the required 2 . [ERROR FileContent--proc-sys-net-ipv4-ip_forward] https://github.com/kubernetes/kubeadm/issues/1062 bsc#1163328 Kubic Installer System Role should not disable ip_forward . [ERROR ImagePull]: ... net/http: TLS handshake timeout NOTE: Need pull ~500M image from the bad internet connection. Have to give up from home, so far! ``` ## Install Kubic with cloud-init and VM images 1. "cloud-init ready" VM images https://download.opensuse.org/repositories/devel:/kubic:/images/ 2. prepare cloud-init CD-ROM: ci-data.iso ``` PWD=$(pwd) mkdir -p $PWD/kubic/cloud-init-iso cd $PWD/kubic/cloud-init-iso touch meta-data user-data REF: https://en.opensuse.org/Kubic:MicroOS/cloud-init eg. meta-data: instance-id: xxxxx user-data: add your own ssh-key for passwordless access user-data: add your user/passwd user-data: root-passwd=linux cd $PWD/kubic/ sudo mkisofs -output ci-data.iso -volid cidata -joliet -rock cloud-init-iso ``` 3. boot VM img with CD-ROM ci-data.iso Enjoy passwordless ssh! ## Takeaway - Two installation approaches: - DVD - cloud-init VM image is a very handy - BAD: so far, the internet requirement is to high to do `kubeadm init` yet to figure out the workaround for China
 
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Reply to zzhou
hackweek19 openSUSE MicroOS/Kubic JUST Get Started
Q: what the difference between MicroOS and Kubic?
First impression from openSUSE Wiki is confusing: they are Tumbleweed variants
Kubic DVD installation: kubic-template, kubic-master, kubic-worker1
1. VM: kubic-template
Kubic DVD -> System Role = kubeadm
transactional-update pkg install yast2-network
( NOTE: not allowed, zypper in yast2-network )
1. Copy VM to: kubic-master, kubic-worker1
To manipulate overlayfs(/etc) on top of readonly rootfs
virt-dup -o kubic-template -n kubic-master,ip=192.168.200.100/24
virt-dup -o kubic-template -n kubic-worker1,ip=192.168.200.101/24
https://github.com/zzhou1/virt-dup
1. kubic-master bootstrap
``` kubeadm --v=5 init
[preflight] pref-light-check . [ERROR NumCPU]: the number of available CPUs 1 is less than the required 2 . [ERROR FileContent--proc-sys-net-ipv4-ipforward] https://github.com/kubernetes/kubeadm/issues/1062 bsc#1163328 Kubic Installer System Role should not disable ipforward . [ERROR ImagePull]: ... net/http: TLS handshake timeout NOTE: Need pull ~500M image from the bad internet connection.
Have to give up from home, so far! ```
Install Kubic with cloud-init and VM images
1. "cloud-init ready" VM images https://download.opensuse.org/repositories/devel:/kubic:/images/

2. prepare cloud-init CD-ROM: ci-data.iso
``` PWD=$(pwd) mkdir -p $PWD/kubic/cloud-init-iso
cd $PWD/kubic/cloud-init-iso touch meta-data user-data REF: https://en.opensuse.org/Kubic:MicroOS/cloud-init
eg. meta-data: instance-id: xxxxx user-data: add your own ssh-key for passwordless access user-data: add your user/passwd user-data: root-passwd=linux
cd $PWD/kubic/ sudo mkisofs -output ci-data.iso -volid cidata -joliet -rock cloud-init-iso ```
1. boot VM img with CD-ROM ci-data.iso
   
Enjoy passwordless ssh!
Takeaway
• Two installation approaches:

  • DVD
  • cloud-init VM image is a very handy

• BAD: so far, the internet requirement is to high to do kubeadm init yet to figure out the workaround for China
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  almost 5 years ago by zzhou | Reply

  One more progress to make my Friday. I can move one more step with --image-repository registry.cn-hangzhou.aliyuncs.com/google_containers.

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Edit Comment 4694
# A First Level Header
## A Second Level Header

Use one asterisk to *emphasize*

Use two asterisks for **strong emphasis**

- Use hyphens
- for unordereed
- lists

This is an [link to example.com](http://example.com/)

This is an image ![an openSUSE geeko icon](https://en.opensuse.org/images/d/d0/Icon-distribution.png)

This is a user link @hans

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One more progress to make my Friday. I can move one more step with --image-repository registry.cn-hangzhou.aliyuncs.com/google_containers.
 
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Reply to zzhou
One more progress to make my Friday. I can move one more step with --image-repository registry.cn-hangzhou.aliyuncs.com/google_containers.
---
# A First Level Header
## A Second Level Header

Use one asterisk to *emphasize*

Use two asterisks for **strong emphasis**

- Use hyphens
- for unordereed
- lists

This is an [link to example.com](http://example.com/)

This is an image ![an openSUSE geeko icon](https://en.opensuse.org/images/d/d0/Icon-distribution.png)

This is a user link @hans

This is a project link hw#some-cool-title
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