mio-ops/roles/host_common.nix

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# Configuration common to all my servers
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{ config, pkgs, lib, ... }:
{
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imports = [
./tmux.nix
];
# Common boot settings
boot = {
cleanTmpDir = true; # Clean /tmp on reboot
};
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# Select internationalisation properties.
i18n = {
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defaultLocale = "en_AU.UTF-8"; # Set the default locale
};
# Set the defaul console properties
console = {
keyMap = "us"; # Set the default console key map
font = "ter-powerline-v16Rv"; # Set the default console font
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};
time.timeZone = "Australia/Brisbane"; # Set your preferred timezone:
# Set security options:
security.sudo.enable = true;
security.sudo.wheelNeedsPassword = false;
# Configure and install required fonts
fonts.enableDefaultFonts = true;
fonts.enableFontDir = true;
fonts.fonts = with pkgs; [
powerline-fonts # Required for Powerline prompts
];
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fonts.fontconfig.includeUserConf = false;
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# Adapted from gchristensen and clever
nix = {
nixPath = [
# Ruin the config so we don't accidentally run
# nixos-rebuild switch on the host
(let
cfg = pkgs.writeText "configuration.nix"
''
assert builtins.trace "This system is managed by NixOps." false;
{}
'';
in "nixos-config=${cfg}")
# Copy the channel version from the deploy host to the target
"nixpkgs=/run/current-system/nixpkgs"
];
gc = {
automatic = true; # Enable Nix garbage collection:
dates = "weekly";
options = "--delete-older-than 90d";
};
autoOptimiseStore = true;
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extraOptions = ''
show-trace = true # Enable --show-trace by default for nix
'';
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};
system.extraSystemBuilderCmds = ''
ln -sv ${pkgs.path} $out/nixpkgs
'';
environment.etc.host-nix-channel.source = pkgs.path;
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# Set the system-wide environment
environment = {
systemPackages = with pkgs; [
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byobu # text-based window manager and terminal multiplexer.
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direnv # A shell extension that manages your environment
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dnsutils # Bind DNS utilities
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(if config.services.xserver.enable then gitAndTools.gitFull else git) # Distributed version control system
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htop # interactive process viewer
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hwinfo # Hardware detection tool
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killall # kill processes by name
lshw # Detailed information on the hardware configuration
lsof # list open files
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mosh # Mobile shell (ssh replacement)
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ncdu # Disk usage analyzer with an ncurses interface
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nix-index # A files database for nixpkgs
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#openssl # A cryptographic library that implements the SSL and TLS protocols
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powerline-fonts # For zsh themes
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ripgrep # Utility that provides usability of The Silver Searcher with the raw speed of grep
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(
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import ../roles/vim.nix
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)
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];
variables = {
EDITOR = [ "vim"]; # Set the default editor
};
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};
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# Program defaults for all hosts
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programs.zsh = {
enable = true;
autosuggestions = {
enable = true;
};
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interactiveShellInit = ''
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export TERM="xterm-256color"
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eval "$(direnv hook zsh)"
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test -r ~/.dir_colors && eval $(dircolors ~/.dir_colors)
export GPG_TTY="$(tty)"
export SSH_AUTH_SOCK=$(gpgconf --list-dirs agent-ssh-socket)
gpgconf --launch gpg-agent
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'';
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ohMyZsh = {
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enable = true;
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plugins = [ "git" ];
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};
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promptInit = "source ${pkgs.zsh-powerlevel9k}/share/zsh-powerlevel9k/powerlevel9k.zsh-theme";
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};
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users.defaultUserShell = pkgs.zsh; # Set the default shell for all users
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# Users common across MIO Ops:
users.mutableUsers = false; # Remove any users not defined in here
}