stockholm/modules/lass/desktop-base.nix

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{ config, pkgs, ... }:
{
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imports = [
./sshkeys.nix
];
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boot.tmpOnTmpfs = true;
# see tmpfiles.d(5)
systemd.tmpfiles.rules = [
"d /tmp 1777 root root - -"
];
time.timeZone = "Europe/Berlin";
virtualisation.libvirtd.enable = true;
hardware.pulseaudio = {
enable = true;
systemWide = true;
};
# multiple-definition-problem when defining environment.variables.EDITOR
environment.extraInit = ''
EDITOR=vim
PAGER=most
'';
programs.bash = {
enableCompletion = true;
interactiveShellInit = ''
HISTCONTROL='erasedups:ignorespace'
HISTSIZE=65536
HISTFILESIZE=$HISTSIZE
shopt -s checkhash
shopt -s histappend histreedit histverify
shopt -s no_empty_cmd_completion
complete -d cd
#fancy colors
if [ -e ~/LS_COLORS ]; then
eval $(dircolors ~/LS_COLORS)
fi
if [ -e /etc/nixos/dotfiles/link ]; then
/etc/nixos/dotfiles/link
fi
'';
promptInit = ''
if test $UID = 0; then
PS1='\[\033[1;31m\]\w\[\033[0m\] '
elif test $UID = 1337; then
PS1='\[\033[1;32m\]\w\[\033[0m\] '
else
PS1='\[\033[1;33m\]\u@\w\[\033[0m\] '
fi
if test -n "$SSH_CLIENT"; then
PS1='\[\033[35m\]\h'" $PS1"
fi
'';
};
programs.ssh.startAgent = false;
security.setuidPrograms = [ "slock" ];
###SERVICES BEGIN
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services.gitolite = {
enable = true;
dataDir = "/home/gitolite";
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adminPubkey = config.sshKeys.lass.pub;
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commonHooks = [
(pkgs.writeText "irc-announce" ''
#! /bin/sh
set -euf
config_file="$GL_ADMIN_BASE/conf/irc-announce.conf"
if test -f "$config_file"; then
. "$config_file"
fi
# XXX when changing IRC_CHANNEL or IRC_SERVER/_PORT, don't forget to update
# any relevant gitolite LOCAL_CODE!
# CAVEAT we hope that IRC_NICK is unique
IRC_NICK="''${IRC_NICK-gl$GL_TID}"
IRC_CHANNEL="''${IRC_CHANNEL-#retiolum}"
IRC_SERVER="''${IRC_SERVER-ire.retiolum}"
IRC_PORT="''${IRC_PORT-6667}"
# for privmsg_cat below
export IRC_CHANNEL
# collect users that are mentioned in the gitolite configuration
interested_users="$(perl -e '
do "gl-conf";
print join(" ", keys%{ $one_repo{$ENV{"GL_REPO"}} });
')"
# CAVEAT beware of real TABs in grep pattern!
# CAVEAT there will never be more than 42 relevant log entries!
log="$(tail -n 42 "$GL_LOGFILE" | grep "^[^ ]* $GL_TID ")"
update_log="$(echo "$log" | grep "^[^ ]* $GL_TID update")"
# (debug output)
env | sed 's/^/env: /'
echo "$log" | sed 's/^/log: /'
# see http://gitolite.com/gitolite/dev-notes.html#lff
reponame=$(echo "$update_log" | cut -f 4)
username=$(echo "$update_log" | cut -f 5)
ref_name=$(echo "$update_log" | cut -f 7 | sed 's|^refs/heads/||')
old_sha=$(echo "$update_log" | cut -f 8)
new_sha=$(echo "$update_log" | cut -f 9)
# check if new branch is created
if test $old_sha = 0000000000000000000000000000000000000000; then
# TODO what should we really show?
old_sha=$new_sha^
fi
#
git_log="$(git log $old_sha..$new_sha --pretty=oneline --abbrev-commit)"
commit_count=$(echo "$git_log" | wc -l)
# echo2 and cat2 are used output to both, stdout and stderr
# This is used to see what we send to the irc server. (debug output)
echo2() { echo "$*"; echo "$*" >&2; }
cat2() { tee /dev/stderr; }
# privmsg_cat transforms stdin to a privmsg
privmsg_cat() { awk '{ print "PRIVMSG "ENVIRON["IRC_CHANNEL"]" :"$0 }'; }
# ircin is used to feed the output of netcat back to the "irc client"
# so we can implement expect-like behavior with sed^_^
# XXX mkselfdestructingtmpfifo would be nice instead of this cruft
tmpdir="$(mktemp -d irc-announce_XXXXXXXX)"
cd "$tmpdir"
mkfifo ircin
trap "
rm ircin
cd '$OLDPWD'
rmdir '$tmpdir'
trap - EXIT INT QUIT
" EXIT INT QUIT
#
#
#
{
echo2 "USER $LOGNAME 0 * :$LOGNAME@$(hostname)"
echo2 "NICK $IRC_NICK"
# wait for MODE message
sed -n '/^:[^ ]* MODE /q'
echo2 "JOIN $IRC_CHANNEL"
echo "$interested_users" \
| tr ' ' '\n' \
| grep -v "^$GL_USER" \
| sed 's/$/: poke/' \
| privmsg_cat \
| cat2
printf '[13%s] %s pushed %s new commit%s to 6%s %s\n' \
"$reponame" \
"$username" \
"$commit_count" \
"$(test $commit_count = 1 || echo s)" \
"$(hostname)" \
"$ref_name" \
| privmsg_cat \
| cat2
echo "$git_log" \
| sed 's/^/14/;s/ / /' \
| privmsg_cat \
| cat2
echo2 "PART $IRC_CHANNEL"
# wait for PART confirmation
sed -n '/:'"$IRC_NICK"'![^ ]* PART /q'
echo2 'QUIT :Gone to have lunch'
} < ircin \
| nc "$IRC_SERVER" "$IRC_PORT" | tee -a ircin
'')
];
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};
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services.journald.extraConfig = ''
SystemMaxUse=1G
RuntimeMaxUse=128M
'';
services.openssh = {
enable = true;
hostKeys = [
# XXX bits here make no science
{ bits = 8192; type = "ed25519"; path = "/etc/ssh/ssh_host_ed25519_key"; }
];
};
services.printing = {
enable = true;
drivers = [ pkgs.foomatic_filters ];
};
###SERVICES END
environment.systemPackages = with pkgs; [
gitolite
git
#terminal
most
powertop
#network
iptables
#video stuff
haskellPackages.xmobar
haskellPackages.yeganesh
dmenu2
xlibs.fontschumachermisc
];
nix.useChroot = true;
#
# user settings
#
users.mutableUsers = false;
users.extraUsers = {
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#gitolite = {
# name = "gitolite";
# description = "gitolite git manager";
# home = "/home/gitolite";
# createHome = true;
# useDefaultShell = true;
#};
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testing = {
name = "testing";
description = "user for testing various stuff";
home = "/home/testing";
useDefaultShell = true;
createHome = true;
};
};
networking.firewall = {
enable = true;
allowedTCPPorts = [
22
];
extraCommands = ''
iptables -A INPUT -j ACCEPT -m conntrack --ctstate RELATED,ESTABLISHED
iptables -A INPUT -j ACCEPT -i lo
#iptables -N Retiolum
iptables -A INPUT -j Retiolum -i retiolum
iptables -A Retiolum -j ACCEPT -p icmp
iptables -A Retiolum -j ACCEPT -m conntrack --ctstate RELATED,ESTABLISHED
iptables -A Retiolum -j REJECT -p tcp --reject-with tcp-reset
iptables -A Retiolum -j REJECT -p udp --reject-with icmp-port-unreachable
iptables -A Retiolum -j REJECT --reject-with icmp-proto-unreachable
iptables -A Retiolum -j REJECT
'';
extraStopCommands = "iptables -F";
};
}