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#+title: Configuration of the Aisaka computer -*- mode: org -*-
#+startup: overview
#+property: header-args:scheme :noweb yes
#+property: header-args:scheme+ :noweb-prefix yes
* TODO Guix
https://guix.gnu.org/en/manual/devel/en/html_node/
** TODO System configuration
https://guix.gnu.org/en/manual/devel/en/html_node/System-Configuration.html
#+begin_src scheme :noweb-ref system-dump :tangle system-configuration.scm
(add-to-load-path "./services")
(define-module (aisaka-system-configuration)
#:use-module (gnu)
#:use-module (gnu packages cups)
#:use-module (gnu packages finance)
#:use-module (gnu services cups)
#:use-module (gnu services configuration)
#:use-module (gnu services desktop)
#:use-module (gnu services networking)
#:use-module (gnu services ssh)
#:use-module (gnu services version-control)
#:use-module (gnu services xorg))
(define keyboard-layout
(keyboard-layout "pl"))
(operating-system
(locale "pl_PL.utf8")
(timezone "Europe/Warsaw")
(keyboard-layout keyboard-layout)
(host-name "aisaka")
(users (cons* (user-account (name "marek")
(comment "Marek Paśnikowski")
(group "users")
(home-directory "/home/marek")
(supplementary-groups '("audio"
"netdev"
"tor"
"video"
"wheel")))
%base-user-accounts))
(packages
(append
(map
<<to-package+output>>
'("netcat-openbsd"
"nss-certs"
"ntfs-3g"))
%base-packages))
(services (cons*
<<ssh-system-service>>
<<trezor-system-packages>>
(service cups-service-type
(cups-configuration (extensions `(,cups-filters
,epson-inkjet-printer-escpr))
(web-interface? #t)))
(service git-daemon-service-type)
(service gnome-desktop-service-type)
(service tor-service-type
(tor-configuration (config-file (local-file "torrc"))
(control-socket? #t)))
<<trezor-udev-rules>>
(modify-services %desktop-services
(elogind-service-type
configuration =>
(elogind-configuration
(inherit configuration)
(handle-lid-switch 'ignore))))))
(bootloader (bootloader-configuration (bootloader grub-bootloader)
(targets '("/dev/sda"))
(keyboard-layout keyboard-layout)))
(swap-devices
(list
<<swap>>))
(mapped-devices
(list
<<luks>>))
(file-systems
(append %base-file-systems
(list
<<rootfs>>
<<bootfs>>))))
#+end_src
** TODO Home configuration
https://guix.gnu.org/en/manual/devel/en/html_node/Home-Configuration.html
#+begin_src scheme :noweb-ref home-dump :tangle home-configuration.scm
(add-to-load-path "./services")
(define-module (aisaka-home-configuration)
#:use-module (gnu home)
#:use-module (gnu home services)
#:use-module (gnu home services shells)
#:use-module (gnu packages)
#:use-module (gnu services)
#:use-module (guix gexp))
(define allow-downgrades
"--allow-downgrades ")
(define config-prefix
"/home/marek/src/guix-config/")
(define pull-guix
"guix pull ")
(define pull-guix-
(string-append pull-guix
allow-downgrades
"--disable-authentication "))
(define guix-home
"guix home reconfigure ")
(define home-configuration
"home-configuration.scm ")
(define reconfigure-home
(string-append guix-home
config-prefix
home-configuration))
(define reconfigure-home-
(string-append reconfigure-home
allow-downgrades))
(define guix-system
"sudo guix system reconfigure ")
(define system-configuration
"system-configuration.scm ")
(define reconfigure-system
(string-append guix-system
config-prefix
system-configuration))
(define reconfigure-system-
(string-append reconfigure-system
allow-downgrades))
(define and
"&& ")
(define system-update
(string-append pull-guix
and
reconfigure-system
and
reconfigure-home))
(define system-update-
(string-append pull-guix-
and
reconfigure-system-
and
reconfigure-home-))
(home-environment
(packages
(map
<<to-package+output>>
'("adwaita-icon-theme"
"alacritty"
"clamav"
"cpupower"
"dconf-editor"
"dmenu"
"emacs"
"emacs-aggressive-indent"
"emacs-eldoc"
"emacs-geiser"
"emacs-geiser-guile"
"emacs-nov-el"
"emacs-org-contacts"
"emacs-org-contrib"
"font-google-noto"
"git"
"git-lfs"
"gnome-tweaks"
"gnupg"
"guile"
"guile-spec"
"hicolor-icon-theme"
"icecat"
"jami"
"libadwaita"
"libreoffice"
"nm-tray"
"pwgen"
"seahorse"
"sicp"
"strace"
"unzip"
"zip")))
(services
(list
<<flashrom-package>>
(service
(service-type
(name 'org-fc-tn-package)
(extensions
(list
(service-extension home-profile-service-type
(lambda (_)
(map specification->package
(list
"emacs-org-fc-tn"))))))
(description "Custom version of ORG-FC.")
(default-value #f)))
<<ssh-user-configuration>>
<<trezor-user-packages>>
(service home-bash-service-type
(home-bash-configuration
(environment-variables '(("EDITOR" . "emacs -nw")
("LIBGL_ALWAYS_SOFTWARE" . "1")
("NVM_DIR" . "$HOME/src/nvm")
("GUILE_AUTO_COMPILE" . "0")))
(aliases `(("grep" . "grep --color=auto ")
("ll" . "ls -l ")
("ls" . "ls -p --color=auto ")
("pull-guix" . ,pull-guix)
("pull-guix-" . ,pull-guix-)
("reconfigure-home" . ,reconfigure-home)
("reconfigure-home-" . ,reconfigure-home-)
("reconfigure-system" . ,reconfigure-system)
("reconfigure-system-" . ,reconfigure-system-)
("system-update" . ,system-update)
("system-update-" . ,system-update-)))
(bash-profile `(,(local-file "bash_profile")))
(bashrc `(,(local-file "bashrc")))))
(simple-service 'configuration-files
home-files-service-type
`((".config/git/config" ,(local-file "git.config"))
(".config/guix/shell-authorized-directories"
,(local-file "guix-shell-authorized-directories"))
(".emacs" ,(local-file "emacs.el")))))))
#+end_src
* TODO LIBREBOOT
The first layer of computing is the firmware. The Lenovo Thinkpad X200 has
a free Libreboot firmware installed. It is a good idea to keep it up to date.
** TODO Flashrom
Flashrom program is needed to write the computer firmware. The
program needs a relaxed kernel security feature.
#+begin_src scheme :noweb-ref flashrom-package
(service
(service-type
(name 'flashrom-package)
(extensions
`(,(service-extension home-profile-service-type
(lambda (_)
(map specification->package
'("flashrom"))))))
(description "Flashrom installation.")
(default-value #f)))
#+end_src
* TODO File Systems
This system has a very simple file system - a boot partition, main partition
for everything else and swap. The main partition is encrypted.
** Mapped Devices
Data encryption layer, password protected. The LUKS encryption type is
used.
#+begin_src scheme :noweb-ref luks
(mapped-device
(source (uuid "887ac37f-2919-41a0-a62a-e1ff5ea2d6cc"))
(target "aisaka-root")
(type luks-device-mapping))
#+end_src
** File Systems
The data is split into an unencrypted boot partition and encrypted root
filesystem.
*** Root File System
The root filesystem is mounted on the encryption layer. Its type is
BTRFS.
#+begin_src scheme :noweb-ref rootfs
(file-system
(mount-point "/")
(device "/dev/mapper/aisaka-root")
(type "btrfs")
(dependencies mapped-devices))
#+end_src
*** Boot File System
The boot partition is on EXT4 filesystem.
#+begin_src scheme :noweb-ref bootfs
(file-system
(mount-point "/boot")
(device (uuid "4f77b5fc-56ad-43ae-b6ec-e5adc8c48587"))
(type "ext4"))
#+end_src
** Swap Devices
Swap takes half the storage space in order to facilitate edge cases of
memory without overprovisioning, as well as to prolog the lifetime of SSD.
#+begin_src scheme :noweb-ref swap
(swap-space (target (uuid "73bed3f9-be07-40ad-a228-577cd24f2e1d")))
#+end_src
* TODO System Servers
** TODO Secure Shell
*** TODO SSH Installation
#+begin_src scheme :noweb-ref ssh-system-service
(service openssh-service-type)
#+end_src
*** TODO SSH Configuration
#+begin_src scheme :noweb-ref ssh-user-configuration
(simple-service 'ssh-configuration* home-files-service-type
`((".ssh/config" ,(local-file "ssh.config"))))
#+end_src
* TODO Device Management
https://www.linuxfromscratch.org/lfs/view/11.1/chapter09/symlinks.html
** TODO Trezor
https://trezor.io/trezor-model-t
*** TODO Trezor System Packages
#+begin_src scheme :noweb-ref trezor-system-packages
(service
(service-type
(name 'trezor-system-packages)
(extensions
(list
(service-extension profile-service-type
(lambda (_)
(map specification->package
(list
"trezord"
"trezord-udev-rules"))))))
(description "TrezorD packages needed by the system.")
(default-value #f)))
#+end_src
*** TODO Trezor User Packages
#+begin_src scheme :noweb-ref trezor-user-packages
(service
(service-type
(name 'trezor-user-packages)
(extensions
(list
(service-extension home-profile-service-type
(lambda (_)
(map specification->package
(list
"trezor-agent"))))))
(description "Trezor packages for the user.")
(default-value #f)))
#+end_src
*** TODO Trezor Udev Services
#+begin_src scheme :noweb-ref trezor-udev-rules
(udev-rules-service 'trezord trezord-udev-rules)
#+end_src
* TODO Helpers
** TODO String to Package
#+begin_src scheme :noweb-ref to-package+output
(compose list
specification->package+output)
#+end_src
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