Building a cheap, compact, and multinode DevStack environment for a home lab
One of the first things that any new OpenStack contributor will do, is
to download DevStack and run stack.sh in
order to set up a development version of OpenStack.
It could be a virtual machine, it could be on their laptop. Heck, it could be on a virtual machine in a public OpenStack cloud (this is what is used by the OpenStack CI system).
I personally have run DevStack a wide range of environments. For a long time, I ran it by using vagrant_devstack. The advantages were that by using Vagrant, I could quickly build, use, and destroy virtual machines on my laptop, and also share Vagrant configurations with fellow developers, and we’d all have identical environments.
Set up PXE and TFTP on FreeBSD
DHCPD config
subnet 192.168.1.0 netmask 255.255.255.0{
range 192.168.1.10 192.168.1.254;
option routers 192.168.1.1;
server-identifier 192.168.1.1;
next-server 192.168.1.1;
# PXE boot for NUCs
filename "pxelinux.0";
}
Inetd configuration
daishi# grep 'tftp' /etc/inetd.conf
tftp dgram udp wait root /usr/libexec/tftpd tftpd -l -s /tank/tftpboot
tftp dgram udp6 wait root /usr/libexec/tftpd tftpd -l -s /tank/tftpboot
daishi#
I have an Amazon S3 bucket that I use to serve out kickstart scripts - because I am too lazy to run my own HTTP server at home - after doing it for a number of years I’m happy to pay $0.10 to Amazon to have them deal with it.
d-i debian-installer/locale string en_US
d-i console-setup/ask_detect boolean false
d-i keyboard-configuration/xkb-keymap select us
d-i netcfg/choose_interface select auto
d-i netcfg/get_hostname string unassigned-hostname
d-i netcfg/get_domain string unassigned-domain
d-i mirror/country string manual
d-i mirror/http/hostname string archive.ubuntu.com
d-i mirror/http/directory string /ubuntu
d-i mirror/http/proxy string
d-i user-setup/encrypt-home boolean false
d-i clock-setup/utc boolean true
d-i time/zone string US/Eastern
d-i clock-setup/ntp boolean true
# To create a normal user account.
d-i passwd/user-fullname string Stack
d-i passwd/username string stack
d-i passwd/user-password password stack
d-i passwd/user-password-again password stack
d-i user-setup/allow-password-weak boolean true
d-i partman-auto/method string lvm
d-i partman-lvm/device_remove_lvm boolean true
d-i partman-md/device_remove_md boolean true
d-i partman-lvm/confirm boolean true
d-i partman-lvm/confirm_nooverwrite boolean true
d-i partman-auto/choose_recipe select atomic
d-i partman-partitioning/confirm_write_new_label boolean true
d-i partman/choose_partition select finish
d-i partman/confirm boolean true
d-i partman/confirm_nooverwrite boolean true
d-i partman-md/confirm boolean true
d-i partman-partitioning/confirm_write_new_label boolean true
d-i partman/choose_partition select finish
d-i partman/confirm boolean true
d-i partman/confirm_nooverwrite boolean true
tasksel tasksel/first multiselect openssh-server standard
d-i pkgsel/include string python
d-i grub-installer/only_debian boolean true
d-i grub-installer/with_other_os boolean true
d-i finish-install/reboot_in_progress note
Here is the pxelinux config, which I have set up to provide both Ubuntu 14.04 kernels and Ubuntu 15.04 kernels.
default ubuntu1610
label ubuntu1404
kernel ubuntu1404/linux
append initrd=ubuntu1404/initrd.gz ks=http://coreitpro-kickstart.s3-website-us-east-1.amazonaws.com/ubuntu1404/ks.cfg
prompt 0
timeout 0
label ubuntu1504
kernel ubuntu1504/linux
append initrd=ubuntu1504/initrd.gz ks=http://coreitpro-kickstart.s3-website-us-east-1.amazonaws.com/ubuntu1404/ks.cfg
prompt 0
timeout 0
label ubuntu1604
kernel ubuntu1604/linux
append initrd=ubuntu1604/initrd.gz priority=critical interface=auto netcfg/dhcp_timeout=120 console-setup/layoutcode=us auto=true url=http://coreitpro-kickstart.s3-website-us-east-1.amazonaws.com/preseed.cfg
prompt 0
timeout 0
label ubuntu1610
kernel ubuntu1610/linux
append initrd=ubuntu1610/initrd.gz priority=critical interface=auto netcfg/dhcp_timeout=120 console-setup/layoutcode=us auto=true url=http://coreitpro-kickstart.s3-website-us-east-1.amazonaws.com/preseed.cfg
path ubuntu1610/boot-screens/
include ubuntu1610/boot-screens/menu.cfg
default ubuntu1610/boot-screens/vesamenu.c32
prompt 0
timeout 0
The kernel and initial ramdisk were manually fetched from the Ubuntu’s netboot installer directory, at the following URLs
-
http://archive.ubuntu.com/ubuntu/dists/trusty-updates/main/installer-amd64/current/images/netboot/ubuntu-installer/amd64/
-
http://archive.ubuntu.com/ubuntu/dists/vivid/main/installer-amd64/current/images/netboot/ubuntu-installer/amd64/