341 lines
15 KiB
Scheme
341 lines
15 KiB
Scheme
(define-module (system base-system)
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#:use-module (guix gexp)
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#:use-module (nongnu system linux-initrd)
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#:use-module (nongnu packages linux)
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#:use-module (gnu bootloader)
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#:use-module (gnu bootloader grub)
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#:use-module (gnu system accounts)
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#:use-module (gnu system shadow)
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#:use-module (gnu system setuid)
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#:use-module (gnu services configuration)
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#:use-module (gnu system file-systems)
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#:use-module (gnu system)
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#:use-module (gnu system nss)
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#:use-module (gnu services kerberos)
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#:use-module (gnu services sssd)
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#:use-module (gnu services base)
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#:use-module (gnu services)
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#:use-module (gnu services desktop)
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#:use-module (gnu services networking)
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#:use-module (gnu services ssh)
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#:use-module (gnu services vpn)
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#:use-module (gnu system pam)
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#:use-module (gnu services dbus)
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#:use-module (gnu system keyboard)
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#:use-module (gnu packages admin)
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#:use-module (gnu packages slapd)
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#:use-module (gnu packages linux)
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#:use-module (gnu packages shells)
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#:use-module (gnu packages gnome)
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#:use-module (gnu packages ssh)
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#:use-module (gnu packages dns)
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#:use-module (gnu packages version-control)
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#:use-module (gnu packages vim)
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#:use-module (gnu packages certs)
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#:use-module (gnu packages kerberos)
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#:use-module (gnu packages vpn)
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#:use-module (gnu packages wm)
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#:use-module (gnu packages suckless)
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#:use-module (gnu packages terminals)
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#:use-module (gnu packages gnuzilla)
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#:export (%metznet-base-user-accounts)
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#:export (%metznet-base-groups)
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#:export (%metznet-desktop-packages)
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#:export (%metznet-base-packages)
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#:export (%kvm-udev-rule)
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#:export (%usb-udev-rule)
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#:export (%tun-udev-rule)
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#:export (%metznet-desktop-services)
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#:export (%metznet-server-services)
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#:export (%metznet-base-server-system)
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#:export (%metznet-base-desktop-system))
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(define %domain-realm
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"METZNET.CA")
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(define %domain-name
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"metznet.ca")
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(define %domain-kadmin
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(string-append "kerberos." %domain-name))
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(define %domain-kdc
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(string-append "kerberos." %domain-name))
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(define %metznet-base-user-accounts
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(append (list (user-account
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(name "root")
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(group "root")
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(uid 0)
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(password (crypt (or (getenv "GUIX_ROOT_PW") "root")
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"$6$salt"))
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(shell (file-append zsh "/bin/zsh")))) %base-user-accounts))
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(define %metznet-base-groups
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(append (list (user-group
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(system? #t)
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(name "realtime"))
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(user-group
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(system? #t)
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(name "usb"))) %base-groups))
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(define %metznet-base-packages
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(append (list openssh
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openldap-slapd
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strace
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git
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neovim
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zsh
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le-certs
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nss-certs
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mit-krb5) %base-packages))
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(define %metznet-desktop-packages
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(append (list i3-wm i3status dmenu kitty icecat) %metznet-base-packages))
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(define %desktop-setuid-programs
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(append (list (setuid-program
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(program #~(string-append #$openvpn "/sbin/openvpn")))
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(setuid-program
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(program #~(string-append #$openresolv "/sbin/resolvconf"))))
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%setuid-programs))
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(define %metznet-krb5-config
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(krb5-configuration (default-realm %domain-realm)
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(allow-weak-crypto? #t)
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(rdns? #f)
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(realms (list (krb5-realm (name %domain-realm)
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(admin-server %domain-kadmin)
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(kdc %domain-kdc))))))
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(define %default-keyboard-layout
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(keyboard-layout "us"))
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(define %kvm-udev-rule
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(udev-rule "65-kvm.rules"
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"KERNEL==\"KVM\", GROUP=\"libvirt\", MODE=\"0660\""))
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(define %usb-udev-rule
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(udev-rule "51-usb.rules"
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(string-append "SUBSYSTEM==\"usb\", GROUP=\"usb\"\n"
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"SUBSYSTEM==\"usbmisc\", GROUP=\"usb\"")))
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(define %tun-udev-rule
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(udev-rule "90-tun.rules"
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"KERNEL==\"tun\", GROUP=\"netdev\", MODE=\"0660\", OPTIONS+=\"static_node=net/tun\""))
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(define %backlight-udev-rule
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(udev-rule "55-backlight.rules"
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"RUN+=\"/bin/chgrp video /sys/class/backlight/intel_backlight/brightness\""))
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(define %metznet-name-service-switch
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(let ((services (list (name-service (name "sss"))
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(name-service (name "files")))))
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(name-service-switch (password services)
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(shadow services)
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(group services))))
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(define list-of-strings?
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(list-of string?))
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(define-configuration/no-serialization metznet-system-configuration
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(certs (file-like le-certs)
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"certificate package")
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(channels-file (file-like (scheme-file
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"channels.scm"
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#~(append (list
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(channel
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(name 'metznet-channel)
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(url
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"https://git.metznet.ca/MetzNet/metznet-channel.git"))
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(channel
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(name 'nonguix)
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(url
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"https://gitlab.com/nonguix/nonguix.git"))
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%default-channels))))
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"channels.scm")
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(pam-services (list-of-strings (list
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"su"
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"gdm-password"
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"login"
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"sshd"
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"passwd"))
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"list of pam services to configure"))
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(define (pam-mkhomedir-service configuration)
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(lambda (pam)
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(if (member (pam-service-name pam)
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(metznet-system-configuration-pam-services configuration))
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(let ((required (pam-entry (control "required")
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(module "pam_mkhomedir.so"))))
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(pam-service (inherit pam)
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(session (cons required
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(pam-service-account pam))))) pam)))
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(define (pam-mkhomedir-services configuration)
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(list (pam-mkhomedir-service configuration)))
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(define (metznet-activation configuration)
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#~(if (access? "/bin/zsh" F_OK)
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(display "zsh already linked")
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(begin
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(display "linking zsh")
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(symlink (string-append #$zsh "/bin/zsh") "/bin/zsh"))))
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(define (metznet-etc-service configuration)
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(("guix/channels.scm" ,())
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("openvpn/ta.key" ,(local-file "ta.key"))
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("openvpn/ca.crt" ,(local-file "ca.crt"))
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("openvpn/client.crt" ,(local-file "client.crt"))
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("openvpn/client.key" ,(local-file "client.key"))))
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(define metznet-service-type
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(service-type (name 'metznet-service)
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(description "MetzNet Services")
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(extensions (list (service-extension activation-service-type
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metznet-activation)
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(service-extension profile-service-type
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(compose list
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metznet-system-configuration-certs))
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(service-extension etc-service-type
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metznet-etc-service)
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(service-extension pam-root-service-type
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pam-mkhomedir-services)))
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(default-value (metznet-system-configuration))))
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(define %metznet-services
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(list (service openssh-service-type
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(openssh-configuration (extra-content
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"KerberosAuthentication yes")))
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(service krb5-service-type %metznet-krb5-config)
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(service pam-krb5-service-type
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(pam-krb5-configuration (pam-krb5 pam-krb5)
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(minimum-uid 1000)))
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(service sssd-service-type
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(sssd-configuration (pam-services (list "su" "gdm-password"
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"login" "sshd"
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"passwd"))))
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(service metznet-service-type)))
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(define %metznet-nscd-configuration
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(nscd-configuration (caches (append (list (nscd-cache (database 'passwd)
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(positive-time-to-live
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(* 3600 12))
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(negative-time-to-live
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20)
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(persistent? #t))
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(nscd-cache (database 'group)
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(positive-time-to-live
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(* 3600 12))
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(negative-time-to-live
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20)
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(persistent? #t)))
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%nscd-default-caches))))
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(define %metznet-desktop-services
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(append %metznet-services
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(modify-services %desktop-services
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(nscd-service-type config => %metznet-nscd-configuration)
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(guix-service-type config =>
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(guix-configuration (inherit config)
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(substitute-urls (append (list
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"https://substitutes.nonguix.org")
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%default-substitute-urls))
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(authorized-keys (append (list
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(plain-file
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"nonguix.pub"
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"(public-key\n (ecc\n (curve Ed25519)\n (q #C1FD53E5D4CE971933EC50C9F307AE2171A2D3B52C804642A7A35F84F3A4EA98#)))"))
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%default-authorized-guix-keys))))
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(udev-service-type config =>
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(udev-configuration (inherit config)
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(rules (append (list
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%tun-udev-rule
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%backlight-udev-rule)
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(udev-configuration-rules
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config)))))
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(network-manager-service-type config =>
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(network-manager-configuration (inherit
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config)
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(vpn-plugins
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(list
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network-manager-openvpn)))))))
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(define %metznet-server-services
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(append %metznet-services
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(list (dbus-service)
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(service dhcp-client-service-type)
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(openvpn-client-service #:config (openvpn-client-configuration
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(openvpn openvpn)
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(pid-file
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"/var/run/openvpn/client.pid")
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(persist-key? #f)
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(remote (list (openvpn-remote-configuration
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(name
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"vpn.metznet.ca"))))
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(tls-auth
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"/etc/openvpn/ta.key"))))
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(modify-services %base-services
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(nscd-service-type config => %metznet-nscd-configuration))))
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(define %metznet-base-operating-system
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(operating-system
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;; Hostname and localization information
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(host-name "base")
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(timezone "America/Edmonton")
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(locale "en_CA.utf8")
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(keyboard-layout %default-keyboard-layout)
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(name-service-switch %metznet-name-service-switch)
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;; Kernel and firmware definitions
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(kernel linux)
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(kernel-arguments (append '("console=ttyS0") %default-kernel-arguments))
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(firmware (list linux-firmware))
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(initrd microcode-initrd)
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;; Grub UEFI Bootloader installed to /boot/efi
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(bootloader (bootloader-configuration
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(bootloader grub-efi-bootloader)
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(targets '("/boot/efi"))
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(keyboard-layout keyboard-layout)))
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(file-systems (cons* (file-system
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(mount-point "/")
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(device (file-system-label "guix-data"))
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(type "ext4")
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(check? #f))
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(file-system
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(mount-point "/boot/efi")
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(device (file-system-label "guix-boot"))
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(type "fat32")
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(check? #f)) %base-file-systems))
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(users %metznet-base-user-accounts)
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(groups %metznet-base-groups)
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(packages %metznet-base-packages)
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(services
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(append %metznet-services %base-services))))
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(define %metznet-base-server-system
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(operating-system
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(inherit %metznet-base-operating-system)
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(host-name "metznet-base-server")
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(packages %metznet-base-packages)
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(services
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%metznet-server-services)))
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(define %metznet-base-desktop-system
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(operating-system
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(inherit %metznet-base-operating-system)
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(host-name "metznet-base-desktop")
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(setuid-programs %desktop-setuid-programs)
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(packages %metznet-desktop-packages)
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(services
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%metznet-desktop-services)))
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