This commit is contained in:
Andrew Wang 2021-09-03 21:27:48 -04:00
commit 517fb38ae5
2 changed files with 75 additions and 9 deletions

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# Mirror Env
## Setup
Open the file `mirror-vm` to install the dependencies and update its variables to reflect your environment. Then download the Ubuntu 20.04 iso and create the vm.
This script helps quickly set up a vm development environment for cs club's mirrors.
## Installation
Install the following dependencies
- qemu
- genisoimage
- ovmf (find the location of OVMF\_CODE.fd, it is system dependent)
Edit the configuration variables in the script file to reflect your system.
The `mirror-vm` script will will automatically install ubuntu using the [autoinstall](https://ubuntu.com/server/docs/install/autoinstall) feature.
```
curl -O https://releases.ubuntu.com/20.04/ubuntu-20.04.2-live-server-amd64.iso
./mirror-vm create
./mirror-vm run-install
$ ./mirror-vm create
$ ./mirror-vm run-install
```
To view the vm, you also need a vnc viewer. [TigerVNC](https://github.com/TigerVNC/tigervnc) is a good choice. Simply run
```
$ vncviewer :5900
```
Due to the way the ubuntu autoinstall is designed, user confirmation is required to start the autoinstallation process. Enter `yes` when prompted with this line:
```
Continue with autoinstall (yes|no)
```
After going through the install process you can run the vm with
```
$ ./mirror-vm run
```
The default login user has
```
username: ubuntu
password: ubuntu
```
## Post-Installation
There are some things that will not be setup post install. As of now, it is also required to run a shell script to further configure the system. We will streamline this in the future.
## System Details
For those that are interested.
relevant lsblk output:
```
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
vda 252:0 0 10G 0 disk
├─vda1 252:1 0 500M 0 part /boot/efi
└─vda2 252:2 0 9G 0 part
└─md0 9:0 0 9G 0 raid1
└─vg0-root 253:0 0 8G 0 lvm /
vdb 252:16 0 10G 0 disk
├─vdb1 252:17 0 500M 0 part
└─vdb2 252:18 0 9G 0 part
└─md0 9:0 0 9G 0 raid1
└─vg0-root 253:0 0 8G 0 lvm /
vdc 252:32 0 10G 0 disk
├─vdc1 252:33 0 10G 0 part
└─vdc9 252:41 0 8M 0 part
vdd 252:48 0 10G 0 disk
├─vdd1 252:49 0 10G 0 part
└─vdd9 252:57 0 8M 0 part
vde 252:64 0 10G 0 disk
├─vde1 252:65 0 10G 0 part
└─vde9 252:73 0 8M 0 part
vdf 252:80 0 10G 0 disk
├─vdf1 252:81 0 10G 0 part
└─vdf9 252:89 0 8M 0 part
```
Drives vda and vdb are for the main filesystem, they use raid1. Drives vdc, vdd, vde and vdf are in a raidz2 zpool.

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# script for managing the vm for the csc mirror dev environment
# dependencies =-=-=-=-=-=-=-=
# qemu, qenisoimage, ovmf (find the location of OVMF_CODE.fd on your system)
# qemu, genisoimage, ovmf (find the location of OVMF_CODE.fd on your system)
# user config variables =-=-=
disk_size=10G
vm_mem=2G
ovmf_location=/usr/share/edk2-ovmf/x64/OVMF_CODE.fd
install_iso=./ubuntu-20.04.2-live-server-amd64.iso
ssh_port=7777
.PHONY: help create purge run-install run
.PHONY: help create clean run-install run
help:
echo help|create|purge|run-install|run
echo help|create|clean|run-install|run
.ONESHELL:
create:
@ -22,7 +23,7 @@ create:
qemu-img create -f qcow2 drive$$i ${disk_size}; done
genisoimage -output seed.iso -volid cidata -joliet -rock user-data meta-data
purge:
clean:
rm drive* seed.iso
run-install:
@ -47,6 +48,6 @@ run:
-drive file=drive6,if=virtio,id=f,media=disk,format=qcow2 \
-bios ${ovmf_location} \
-m ${vm_mem} \
-net user,hostfwd=tcp::7777-:22 \
-net user,hostfwd=tcp::${ssh_port}-:22 \
-net nic