OSC2022 Online/Fall Seminar demo

Seminar

• Slides
  • https://linux-ha-japan.github.io/wp/archives/5044

Install demo environment

Host requirements

• Hardware
  • Memory: 16GB or more
• Software
  • Windows 11 24H2
  • VirtualBox-7.1.12-169651-Win.exe
  • vagrant_2.4.7_windows_amd64.msi
  • WSL2:
    • Ubuntu-24.04 LTS
      • ansible-core 2.18.8
    • AlmaLinux-9
      • ansible-core 2.14.18
  • Vagrant Box: rockylinux/9 v6.0.0

Host installation

• Install VirtualBox package
  • https://www.virtualbox.org/wiki/Downloads
• Install Vagrant package
  • https://www.vagrantup.com/downloads.html
• Install WSL2
  • https://learn.microsoft.com/ja-jp/windows/wsl/install

> wsl --install -d Ubuntu

• For Symantec Endpoint Protection(SEP) users
  • see Appendix.

Configurations for WSL2

• /etc/wsl.conf

[automount]
options = "metadata"

Proxy configuration (if necessary)

• /etc/environment

http_proxy=http://PROXY:8080/
https_proxy=http://PROXY:8080/

• $HOME/.bashrc

export http_proxy=http://PROXY:8080/
export https_proxy=http://PROXY:8080/
#export VAGRANT_CWD=/mnt/c/Users/<playbook_dir>/vagrant
export WSLENV=VAGRANT_CWD/p:http_proxy:https_proxy

• /etc/apt/apt.conf.d/99proxy (Ubuntu only)

Acquire::http::proxy "http://PROXY:8080/";
Acquire::https::proxy "http://PROXY:8080/";
Acquire::http::Timeout "300";

restart WSL2 to take effects

$ exit
> wsl --shutdown
> wsl
$

Install ansible in WSL2 (Ubuntu)

$ sudo apt update
$ sudo apt install software-properties-common
$ sudo add-apt-repository --yes --update ppa:ansible/ansible
$ sudo apt install ansible

• https://docs.ansible.com/ansible/latest/installation_guide/installation_distros.html#installing-ansible-on-ubuntu

Install ansible in WSL2 (AlmaLinux)

$ sudo dnf install git
$ sudo dnf install ansible-core

Quick Start

• checkout demo repo.

$ git clone --recursive https://github.com/kskmori/osc2022fall-demo
$ cd osc2022fall-demo
$ cp ansible.cfg.sample ansible.cfg

• Build demo environment

$ ansible-playbook 10-vagrant.yml
$ ansible-playbook 20-virtualbmc.yml -K
$ ansible-playbook 30-postgresql-shared.yml
$ ansible-playbook 40-pacemaker.yml

misc. tasks

• restart the demo environment after the host was rebooted

$ ansible-playbook 80-demo-restart.yml -K

• stop the demo environment

$ ansible-playbook 89-demo-stop.yml -K

Related Repositories

• Playbooks for Pacemaker installation
  • https://github.com/linux-ha-japan/ansible-pacemaker
• Playbooks for PostgreSQL and iSCSI storage installation
  • https://github.com/linux-ha-japan/ansible-postgresql-shared
• Playbooks for VirtualBMC installation
  • https://github.com/linux-ha-japan/ansible-virtualbmc
• VirtualBMC (vbox support) - IPMI fencing for VirtualBox VMs
  • https://github.com/linux-ha-japan/virtualbmc-vbox/tree/devel-vbox-2.0

Appendix

• For Symantec Endpoint Protection(SEP) users
  • an additional setting is required to allow network connections to outside
  • see below
    • https://kemasoft.net/?vm/wsl2%A4%C8SEP%A4%C8stone#w98afb3e
    • https://computational-sediment-hyd.hatenablog.jp/entry/2022/05/02/231428

Update history

• 2022/11/03
  • Initial release for OSC2022 Online/Fall Seminor
• 2025/09/04
  • Move all repositories to the Linux-HA Japan project
  • Update to Windows 11 / Rocky Linux 9.6