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(define-module (systems yak)
#:use-module (guix)
#:use-module (guix records)
#:use-module (guix utils)
#:use-module (gnu)
#:use-module (gnu packages)
#:use-module (gnu services avahi)
#:use-module (gnu services base)
#:use-module (gnu services cups)
#:use-module (gnu services dbus)
#:use-module (gnu services desktop)
#:use-module (gnu services docker)
#:use-module (gnu services linux)
#:use-module (gnu services mcron)
#:use-module (gnu services networking)
#:use-module (gnu services nix)
#:use-module (gnu services pm)
#:use-module (gnu services security-token)
#:use-module (gnu services ssh)
#:use-module (gnu services xorg)
#:use-module (gnu system nss)
#:use-module (gnu packages cups)
#:use-module (gnu packages gnome)
#:use-module (gnu packages linux)
#:use-module (nongnu packages linux)
#:use-module (nongnu packages mozilla)
#:use-module (nongnu packages printers)
#:use-module (nongnu system linux-initrd)
#:use-module (kbg)
#:use-module (kbg packages profiles base)
#:use-module (kbg packages profiles desktop)
#:use-module (kbg services desktop)
#:use-module (kbg services dict)
#:use-module (kbg services nftables)
#:use-module (kbg services slurm)
#:use-module ((kbg system mcron) :prefix mcron:)
#:use-module (kbg system xorg))
(define yak-system
(operating-system
(kernel linux-lts)
(firmware (list linux-firmware))
(initrd microcode-initrd)
(host-name "yak")
(timezone "America/Boise")
(locale "en_US.utf8")
(initrd-modules %base-initrd-modules)
(keyboard-layout (keyboard-layout "us" #:options '("ctrl:nocaps")))
(bootloader (bootloader-configuration
(bootloader grub-efi-bootloader)
(targets '("/boot/efi"))
(keyboard-layout keyboard-layout)))
(mapped-devices
(list (mapped-device
(source "vg0")
(targets (list "vg0-root" "vg0-var" "vg0-tmp" "vg0-nix" "vg0-guix" "vg0-var" "vg0-swap"))
(type lvm-device-mapping))
(mapped-device
(source "vg1")
(targets (list "vg1-home"))
(type lvm-device-mapping))))
(file-systems (append
(list (file-system
(device "/dev/mapper/vg0-root")
(mount-point "/")
(type "ext4")
(needed-for-boot? #t)
(dependencies mapped-devices))
(file-system
(device "/dev/mapper/vg0-guix")
(mount-point "/gnu")
(type "xfs")
(needed-for-boot? #t)
(dependencies mapped-devices))
(file-system
(device "/dev/mapper/vg0-nix")
(mount-point "/nix")
(type "xfs")
(needed-for-boot? #f)
(dependencies mapped-devices))
(file-system
(device "/dev/mapper/vg0-var")
(mount-point "/var")
(type "ext4")
(needed-for-boot? #t)
(dependencies mapped-devices))
(file-system
(device "/dev/mapper/vg0-tmp")
(mount-point "/tmp")
(type "ext4")
(needed-for-boot? #t)
(dependencies mapped-devices))
(file-system
(device "/dev/mapper/vg0-opt")
(mount-point "/opt")
(type "ext4")
(needed-for-boot? #f)
(dependencies mapped-devices))
(file-system
(device (uuid "EAB6-6000" 'fat))
(mount-point "/boot/efi")
(type "vfat"))
(file-system
(device "/dev/mapper/vg1-home")
(mount-point "/home")
(type "xfs")
(needed-for-boot? #f)
(dependencies mapped-devices)))
%base-file-systems))
(swap-devices (list (swap-space (target "/dev/mapper/vg0-swap")
(dependencies mapped-devices)
(discard? #t))))
(users (cons (user-account
(name "kb")
(group "users")
(supplementary-groups '("input"
"kvm"
"netdev"
"tty"
"wheel")))
%base-user-accounts))
;; This is where we specify system-wide packages.
(packages (append %kbg-base-packages
%kbg-bare-desktop-packages
%base-packages))
(services (append (list (service nix-service-type)
(service tlp-service-type
(tlp-configuration
(cpu-scaling-governor-on-ac (list "performance"))
;; (cpu-scaling-min-freq-on-ac 2400000)
(cpu-boost-on-ac? #t)
(energy-perf-policy-on-ac "performance")
(pcie-aspm-on-ac "performance")))
(service openssh-service-type
(openssh-configuration
(x11-forwarding? #f)
(password-authentication? #f)
(permit-root-login 'prohibit-password)))
(nftables-service "yak")
(service singularity-service-type)
(service munge-service-type)
(service slurm-service-type
(slurm-configuration
(SlurmdLogFile "/var/log/slurm/slurmd.log")
(SlurmctldLogFile "/var/log/slurm/slurmctld.log")
(ClusterName "yaks")
(SlurmUser "slurm")
(SlurmctldHost '("localhost"))
(DbdHost "localhost")
(StorageType "accounting_storage/none")
(slurm-extra-content
(string-append
"StateSaveLocation=/var/spool/slurmd/ctld #default /var/spool\n"
"ReturnToService=1 #default 0\n"
"DebugFlags=NO_CONF_HASH #default empty\n"
"DefMemPerCpu=1024\n"
"MaxMemPerCpu=1920\n"
"# Scheduling\n"
"FastSchedule=1\n"
"SchedulerType=sched/backfill\n"
"SelectType=select/cons_res #default select/linear\n"
"SelectTypeParameters=CR_CPU_Memory #default 0\n"
"# COMPUTE NODES\n"
"NodeName=yak CPUs=8 RealMemory=15926 Boards=1 SocketsPerBoard=1 CoresPerSocket=4 ThreadsPerCore=2\n"
"PartitionName=debug Nodes=ALL Default=YES MaxTime=INFINITE State=UP"))
(cgroup-extra-content
(string-append
"CgroupPlugin=cgroup/v1\n"
"CgroupAutomount=yes #default no\n"
"ConstrainCores=yes #default no\n"
"IgnoreSystemd=yes #default no\n"
"MaxRAMPercent=80 #default 100"))
(slurmdbd-extra-content
(string-append
"LogFile=/var/log/slurm/slurmdbd.log #default none, syslog"))
(run-slurmdbd? #f)
(run-slurmctld? #t)))
(simple-service 'my-cron-jobs
mcron-service-type
(list mcron:guix-gc-repair-job)))
(modify-services %kbg-desktop-services
(delete gdm-service-type))))
;; Allow resolution of '.local' host names with mDNS.
(name-service-switch %mdns-host-lookup-nss)))
yak-system
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