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pvv-nixos-config
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initial setup of system and matrix server

This commit is contained in:
System administrator 2021-10-17 11:00:52 +02:00
commit 933bcc7502
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92
configuration.nix Normal file
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{ config, pkgs, ... }:
let
unstable = import <nixos-unstable> { };
in
{
imports = [ # Include the results of the hardware scan.
./hardware-configuration.nix
./services/matrix
./services/nginx
./services/postgres
];
nixpkgs.config.packageOverrides = pkgs: {
inherit unstable;
};
# Use the GRUB 2 boot loader.
boot.loader.grub.enable = true;
boot.loader.grub.version = 2;
boot.loader.grub.devices = [ "/dev/sda" ];
networking.hostName = "jokum"; # Define your hostname.
networking.domain = "pvv.ntnu.no";
# Set your time zone.
time.timeZone = "Europe/Oslo";
# The global useDHCP flag is deprecated, therefore explicitly set to false here.
# Per-interface useDHCP will be mandatory in the future, so this generated config
# replicates the default behaviour.
networking.useDHCP = false;
networking.interfaces.ens18.useDHCP = false;
networking.defaultGateway = "129.241.210.129";
networking.interfaces.ens18.ipv4 = {
addresses = [
{
address = "129.241.210.169";
prefixLength = 25;
}
];
};
networking.interfaces.ens18.ipv6 = {
addresses = [
{
address = "2001:700:300:1900::169";
prefixLength = 64;
}
];
};
networking.nameservers = [ "129.241.0.200" "129.241.0.201" ];
# Select internationalisation properties.
i18n.defaultLocale = "en_US.UTF-8";
console = {
font = "Lat2-Terminus16";
keyMap = "no";
};
# Define a user account. Don't forget to set a password with ‘passwd’.
# users.users.jane = {
# isNormalUser = true;
# extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
# };
# List packages installed in system profile
environment.systemPackages = with pkgs; [
git
vim
nano
wget
tmux
];
# List services that you want to enable:
# Enable the OpenSSH daemon.
services.openssh.enable = true;
services.openssh.permitRootLogin = "yes";
# This value determines the NixOS release from which the default
# settings for stateful data, like file locations and database versions
# on your system were taken. It‘s perfectly fine and recommended to leave
# this value at the release version of the first install of this system.
# Before changing this value read the documentation for this option
# (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
system.stateVersion = "21.05"; # Did you read the comment?
}

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hardware-configuration.nix Normal file
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# Do not modify this file! It was generated by ‘nixos-generate-config’
# and may be overwritten by future invocations. Please make changes
# to /etc/nixos/configuration.nix instead.
{ config, lib, pkgs, modulesPath, ... }:
{
imports =
[ (modulesPath + "/profiles/qemu-guest.nix")
];
boot.initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "virtio_pci" "virtio_scsi" "sd_mod" "sr_mod" ];
boot.initrd.kernelModules = [ ];
boot.kernelModules = [ ];
boot.extraModulePackages = [ ];
fileSystems."/" =
{ device = "/dev/disk/by-uuid/1a8bf91a-5948-40c2-a9fd-7a33e46fa441";
fsType = "ext4";
};
fileSystems."/data" =
{ device = "/dev/disk/by-uuid/c812e204-b998-4ec5-9f26-29c5808ed6ba";
fsType = "ext4";
};
swapDevices = [ ];
}

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services/matrix/default.nix Normal file
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{ config, ... }:
{
imports = [
./synapse.nix
];
}

25
services/matrix/matrix-synapse-log_config.yaml Normal file
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version: 1
# In systemd's journal, loglevel is implicitly stored, so let's omit it
# from the message text.
formatters:
journal_fmt:
format: '%(name)s: [%(request)s] %(message)s'
filters:
context:
(): synapse.util.logcontext.LoggingContextFilter
request: ""
handlers:
journal:
class: systemd.journal.JournalHandler
formatter: journal_fmt
filters: [context]
SYSLOG_IDENTIFIER: synapse
root:
level: WARN
handlers: [journal]
disable_existing_loggers: False

492
services/matrix/matrix-synapse-next.nix Normal file
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{ lib, pkgs, config, ... }:
let
cfg = config.services.matrix-synapse-next;
format = pkgs.formats.yaml {};
matrix-synapse-common-config = format.generate "matrix-synapse-common-config.yaml" cfg.settings;
pluginsEnv = cfg.package.python.buildEnv.override {
extraLibs = cfg.plugins;
};
in
{
options.services.matrix-synapse-next = {
enable = lib.mkEnableOption "matrix-synapse";
package = lib.mkOption {
type = lib.types.package;
default = pkgs.matrix-synapse;
};
plugins = lib.mkOption {
type = lib.types.listOf lib.types.package;
default = [ ];
example = lib.literalExample ''
with config.services.matrix-synapse-advanced.package.plugins; [
matrix-synapse-ldap3
matrix-synapse-pam
];
'';
description = ''
List of additional Matrix plugins to make available.
'';
};
dataDir = lib.mkOption {
type = lib.types.str;
default = "/var/lib/matrix-synapse";
description = ''
The directory where matrix-synapse stores its stateful data such as
certificates, media and uploads.
'';
};
enableMainSynapse = lib.mkOption {
type = lib.types.bool;
default = true;
description = ''
Enable the main synapse process.
Useful if running workers on separate computers.
'';
};
mainLogConfig = lib.mkOption {
type = lib.types.lines;
description = "A yaml python logging config file";
default = lib.readFile ./matrix-synapse-log_config.yaml;
};
workers = lib.mkOption {
type = lib.types.attrsOf (lib.types.submodule ({config, ...}: {
options.settings = lib.mkOption {
type = lib.types.submodule {
freeformType = format.type;
options.worker_app = lib.mkOption {
type = lib.types.enum [
"synapse.app.generic_worker"
"synapse.app.pusher"
"synapse.app.appservice"
"synapse.app.federation_sender"
"synapse.app.media_repository"
"synapse.app.user_dir"
"synapse.app.frontend_proxy"
];
description = "The type of worker application";
};
options.worker_replication_host = lib.mkOption {
type = lib.types.str;
description = "The replication listeners ip on the main synapse process";
default = "127.0.0.1";
};
options.worker_replication_http_port = lib.mkOption {
type = lib.types.port;
description = "The replication listeners port on the main synapse process";
};
options.worker_listeners = lib.mkOption {
type = lib.types.listOf (lib.types.submodule {
options.type = lib.mkOption {
type = lib.types.enum [ "http" "metrics" ];
description = "The type of the listener";
default = "http";
};
options.port = lib.mkOption {
type = lib.types.port;
description = "the TCP port to bind to";
};
options.bind_addresses = lib.mkOption {
type = lib.types.listOf lib.types.str;
description = "A list of local addresses to listen on";
};
options.tls = lib.mkOption {
type = lib.types.bool;
description = "set to true to enable TLS for this listener. Will use the TLS key/cert specified in tls_private_key_path / tls_certificate_path.";
default = true;
};
options.x_forwarded = lib.mkOption {
type = lib.types.bool;
description = ''
Only valid for an 'http' listener. Set to true to use the X-Forwarded-For header as the client IP.
Useful when Synapse is behind a reverse-proxy.
'';
default = false;
};
options.resources = lib.mkOption {
type = lib.types.listOf (lib.types.submodule {
options.names = lib.mkOption {
type = lib.types.listOf (lib.types.enum [ "client" "consent" "federation" "keys" "media" "metrics" "openid" "replication" "static" "webclient" ]);
description = "A list of resources to host on this port";
};
options.compress = lib.mkOption {
type = lib.types.bool;
description = "enable HTTP compression for this resource";
default = false;
};
});
};
});
description = "Listener configuration for the worker, similar to the main synapse listener";
default = [];
};
};
};
}));
default = {};
description = "Worker configuration";
example = {
"federation_sender1" = {
settings = {
worker_name = "federation_sender1";
worker_app = "synapse.app.federation_sender";
worker_replication_host = "127.0.0.1";
worker_replication_http_port = 9093;
worker_listeners = [ ];
};
};
};
};
settings = lib.mkOption {
type = lib.types.submodule {
freeformType = format.type;
options.server_name = lib.mkOption {
type = lib.types.str;
description = ''
The server_name name will appear at the end of usernames and room addresses
created on this server. For example if the server_name was example.com,
usernames on this server would be in the format @user:example.com
In most cases you should avoid using a matrix specific subdomain such as
matrix.example.com or synapse.example.com as the server_name for the same
reasons you wouldn't use user@email.example.com as your email address.
See https://github.com/matrix-org/synapse/blob/master/docs/delegate.md
for information on how to host Synapse on a subdomain while preserving
a clean server_name.
The server_name cannot be changed later so it is important to
configure this correctly before you start Synapse. It should be all
lowercase and may contain an explicit port.
'';
example = "matrix.org";
};
options.pid_file = lib.mkOption {
type = lib.types.path;
description = "When running as a daemon, the file to store the pid in";
default = "/run/matrix-synapse.pid";
};
options.use_presence = lib.mkOption {
type = lib.types.bool;
description = "disable presence tracking on this homeserver, if you're having perfomance issues this can have a big impact";
default = true;
};
options.listeners = lib.mkOption {
type = lib.types.listOf (lib.types.submodule {
options.port = lib.mkOption {
type = lib.types.port;
description = "the TCP port to bind to";
example = 8448;
};
options.bind_addresses = lib.mkOption {
type = lib.types.listOf lib.types.str;
description = "A list of local addresses to listen on";
};
options.type = lib.mkOption {
type = lib.types.enum [ "http" "manhole" "metrics" "replication" ];
description = "The type of the listener";
default = "http";
};
options.tls = lib.mkOption {
type = lib.types.bool;
description = "set to true to enable TLS for this listener. Will use the TLS key/cert specified in tls_private_key_path / tls_certificate_path.";
default = true;
};
options.x_forwarded = lib.mkOption {
type = lib.types.bool;
description = ''
Only valid for an 'http' listener. Set to true to use the X-Forwarded-For header as the client IP.
Useful when Synapse is behind a reverse-proxy.
'';
default = false;
};
options.resources = lib.mkOption {
type = lib.types.listOf (lib.types.submodule {
options.names = lib.mkOption {
type = lib.types.listOf (lib.types.enum [ "client" "consent" "federation" "keys" "media" "metrics" "openid" "replication" "static" "webclient" ]);
description = "A list of resources to host on this port";
};
options.compress = lib.mkOption {
type = lib.types.bool;
description = "enable HTTP compression for this resource";
default = false;
};
});
};
});
description = "List of ports that Synapse should listen on, their purpose and their configuration";
default = [
{
port = 8448;
bind_addresses = [ "0.0.0.0" "::" ];
resources = [
{ names = [ "client" ]; compress = true; }
{ names = [ "federation" ]; compress = false; }
];
}
];
};
options.acme = {
enable = lib.mkOption {
type = lib.types.bool;
description = "ACME support requires tls_certificate_path and tls_private_key_path to be set";
default = false;
};
port = lib.mkOption {
type = lib.types.port;
description = "Port number to listen on for the HTTP-01 challenge. Change this if you are forwarding connections through Apache/Nginx/etc.";
default = 80;
};
bind_addresses = lib.mkOption {
type = lib.types.listOf lib.types.str;
description = ''
Local addresses to listen on for incoming connections.
Again, you may want to change this if you are forwarding connections
through Apache/Nginx/etc.";
'';
default = [ "0.0.0.0" "::"];
};
reprovision_threshold = lib.mkOption {
type = lib.types.ints.positive;
description = "How many days remaining on a certificate before it is renewed";
default = 30;
};
domain = lib.mkOption {
type = lib.types.str;
description = ''
The domain that the certificate should be for. Normally this
should be the same as your Matrix domain (i.e., 'server_name'), but,
by putting a file at 'https://<server_name>/.well-known/matrix/server',
you can delegate incoming traffic to another server. If you do that,
you should give the target of the delegation here.
For example: if your 'server_name' is 'example.com', but
'https://example.com/.well-known/matrix/server' delegates to
'matrix.example.com', you should put 'matrix.example.com' here.
'';
default = cfg.settings.server_name;
};
account_key_file = lib.mkOption {
type = lib.types.path;
description = "file to use for the account key, will be generated if it doesn't exist";
default = cfg.dataDir + "/acme_account.key";
};
};
options.federation_ip_range_blacklist = lib.mkOption {
type = lib.types.listOf lib.types.str;
description = ''
Prevent federation requests from being sent to the following
blacklist IP address CIDR ranges. If this option is not specified, or
specified with an empty list, no ip range blacklist will be enforced.
'';
default = [
"127.0.0.0/8"
"10.0.0.0/8"
"172.16.0.0/12"
"192.168.0.0/16"
"100.64.0.0/10"
"169.254.0.0/16"
"::1/128"
"fe80::/64"
"fc00::/7"
];
};
options.log_config = lib.mkOption {
type = lib.types.path;
description = ''
A yaml python logging config file as described by
https://docs.python.org/3.7/library/logging.config.html#configuration-dictionary-schema
'';
default = pkgs.writeText "log_config.yaml" cfg.mainLogConfig;
};
options.media_store_path = lib.mkOption {
type = lib.types.path;
description = "Directory where uploaded images and attachments are stored";
default = cfg.dataDir + "/media_store";
};
options.max_upload_size = lib.mkOption {
type = lib.types.str;
description = "The largest allowed upload size in bytes";
default = "50M";
};
options.enable_registration = lib.mkOption {
type = lib.types.bool;
description = "Enable registration for new users";
default = true;
};
options.enable_metrics = lib.mkOption {
type = lib.types.bool;
description = "Enable collection and rendering of performance metrics";
default = false;
};
options.report_stats = lib.mkOption {
type = lib.types.bool;
description = "TODO: Enable and Disable reporting usage stats";
default = false;
};
options.app_service_config_files = lib.mkOption {
type = lib.types.listOf lib.types.path;
description = "A list of application service config files to use";
default = [];
};
options.signing_key_path = lib.mkOption {
type = lib.types.path;
description = "Path to the signing key to sign messages with";
default = cfg.dataDir + "/" +cfg.settings.server_name + ".signing.key";
};
options.trusted_key_servers = lib.mkOption {
type = lib.types.listOf (lib.types.submodule {
freeformType = format.type;
options.server_name = lib.mkOption {
type = lib.types.str;
description = "the name of the server. required";
};
});
description = "The trusted servers to download signing keys from";
default = [
{
server_name = "matrix.org";
verify_keys."ed25519:auto" = "Noi6WqcDj0QmPxCNQqgezwTlBKrfqehY1u2FyWP9uYw";
}
];
};
options.suppress_key_server_warning = lib.mkOption {
type = lib.types.bool;
description = "using matrix.org as a trusted key server will generate a warning if this is false";
default = false;
};
options.send_federation = lib.mkOption {
type = lib.types.bool;
description = "Disables sending of outbound federation transactions on the main process. Set to false if using federation senders";
default = (lib.lists.count (x: true) cfg.settings.federation_sender_instances) == 0;
};
options.federation_sender_instances = lib.mkOption {
type = lib.types.listOf lib.types.str;
description = ''
This configuration must be shared between all federation sender workers, and if
changed all federation sender workers must be stopped at the same time and then
started, to ensure that all instances are running with the same config (otherwise
events may be dropped)
'';
default = [];
};
};
};
extraConfigFiles = lib.mkOption {
type = lib.types.listOf lib.types.path;
default = [];
description = ''
Extra config files to include.
The configuration files will be included based on the command line
argument --config-path. This allows to configure secrets without
having to go through the Nix store, e.g. based on deployment keys if
NixOPS is in use.
'';
};
};
config = lib.mkIf cfg.enable (lib.mkMerge [
({
users.users.matrix-synapse = {
group = "matrix-synapse";
home = cfg.dataDir;
createHome = true;
shell = "${pkgs.bash}/bin/bash";
uid = config.ids.uids.matrix-synapse;
};
users.groups.matrix-synapse = {
gid = config.ids.gids.matrix-synapse;
};
systemd.targets.matrix-synapse = {
description = "Synapse parent target";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
};
})
(lib.mkIf cfg.enableMainSynapse {
systemd.services.matrix-synapse = {
description = "Synapse Matrix homeserver";
partOf = [ "matrix-synapse.target" ];
wantedBy = [ "matrix-synapse.target" ];
preStart = ''
${cfg.package}/bin/homeserver \
${ lib.concatMapStringsSep "\n " (x: "--config-path ${x} \\") ([ matrix-synapse-common-config ] ++ cfg.extraConfigFiles) }
--keys-directory ${cfg.dataDir} \
--generate-keys
'';
environment.PYTHONPATH = lib.makeSearchPathOutput "lib" cfg.package.python.sitePackages [ pluginsEnv ];
serviceConfig = {
Type = "notify";
User = "matrix-synapse";
Group = "matrix-synapse";
WorkingDirectory = cfg.dataDir;
ExecStart = ''
${cfg.package}/bin/homeserver \
${ lib.concatMapStringsSep "\n " (x: "--config-path ${x} \\") ([ matrix-synapse-common-config ] ++ cfg.extraConfigFiles) }
--keys-directory ${cfg.dataDir}
'';
ExecReload = "${pkgs.utillinux}/bin/kill -HUP $MAINPID";
Restart = "on-failure";
};
};
})
({
systemd.services = let
workerList = lib.mapAttrsToList (name: value: lib.nameValuePair name value ) cfg.workers;
workerName = worker: worker.name;
workerSettings = worker: (worker.value.settings // {worker_name = (workerName worker);});
workerConfig = worker: format.generate "matrix-synapse-worker-${workerName worker}-config.yaml" (workerSettings worker);
in builtins.listToAttrs (map (worker:
{
name = "matrix-synapse-worker-${workerName worker}";
value = {
description = "Synapse Matrix Worker";
partOf = [ "matrix-synapse.target" ];
wantedBy = [ "matrix-synapse.target" ];
after = [ "matrix-synapse.service" ];
environment.PYTHONPATH = lib.makeSearchPathOutput "lib" cfg.package.python.sitePackages [
pluginsEnv
# (cfg.package.python.pkgs.toPythonModule cfg.package)
];
serviceConfig = {
Type = "notify";
User = "matrix-synapse";
Group = "matrix-synapse";
WorkingDirectory = cfg.dataDir;
ExecStart = ''
${cfg.package.python.withPackages (ps: [(cfg.package.python.pkgs.toPythonModule cfg.package)])}/bin/python -m synapse.app.generic_worker \
${ lib.concatMapStringsSep "\n " (x: "--config-path ${x} \\") ([ matrix-synapse-common-config (workerConfig worker) ] ++ cfg.extraConfigFiles) }
--keys-directory ${cfg.dataDir}
'';
};
};
}
) workerList);
})
]);
}

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{ config, pkgs, ... }:
let
cfg = config.services.matrix-synapse-next;
in
{
imports = [ ./matrix-synapse-next.nix ];
services.matrix-synapse-next = {
enable = true;
package = pkgs.unstable.matrix-synapse; # Can be stable after 21.11?
dataDir = "/data/synapse";
enableMainSynapse = true;
settings = {
server_name = "pvv.ntnu.no";
public_baseurl = "matrix.pvv.ntnu.no";
# LOL postgres too old
# database = {
# name = "psycopg2"; #postgres pvv ntnu no 5432
# args = {
# host = "postgres.pvv.ntnu.no";
# user = "synapse";
# password = "FOLINghtSonj";
# dbname = "synapse";
# };
# };
database = {
name = "psycopg2";
args = {
host = "localhost";
user = "synapse";
password = "synapse";
dbname = "synapse";
};
};
listeners = [
{
bind_addresses = ["127.0.1.2"]; port = 8008; tls = false; type = "http";
x_forwarded = true;
resources = [
{ names = ["client"]; compress = true;}
{ names = ["federation"]; compress = false;}
];
}
{
bind_addresses = ["127.0.1.2"]; port = 8010; tls = false; type = "http";
resources = [
{ names = ["metrics"]; compress = false; }
];
}
{
bind_addresses = [ "127.0.1.2"]; port = 9008; tls = false; type = "http";
resources = [
{ names = ["replication"]; compress = false; }
];
}
];
enable_registration = true;
enable_metrics = true;
use_presence = true;
signing_key_path = "${cfg.dataDir}/homeserver.signing.key";
media_store_path = "${cfg.dataDir}/media";
federation_sender_instances = [
"federation_sender1"
];
redis = {
enabled = true;
};
};
workers = {
"federation_sender1" = {
settings = {
worker_app = "synapse.app.federation_sender";
worker_replication_host = "127.0.1.2";
worker_replication_http_port = 9008;
worker_listeners = [
{
bind_addresses = ["127.0.1.10"]; port = 8010; tls = false; type = "http";
resources = [
{ names = ["metrics"]; compress = false; }
];
}
];
};
};
"federation_reciever1" = {
settings = {
worker_app = "synapse.app.generic_worker";
worker_replication_host = "127.0.1.2";
worker_replication_http_port = 9008;
worker_listeners = [
{
bind_addresses = ["127.0.1.11"]; port = 8010; tls = false; type = "http";
resources = [
{ names = ["metrics"]; compress = false; }
];
}
{
bind_addresses = ["127.0.1.11"]; port = 8011; tls = false; type = "http";
resources = [
{ names = ["federation"]; compress = false; }
];
}
];
};
};
};
};
services.redis.enable = true;
services.nginx.virtualHosts."matrix.pvv.ntnu.no" = {
enableACME = true;
forceSSL = true;
locations."/" = {
proxyPass = "http://127.0.1.2:8008";
};
locations."/_matrix/federation" = {
proxyPass = "http://127.0.1.11:8011";
};
};
}

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{config, ... }:
{
security.acme.acceptTerms = true;
security.acme.email = "danio@pvv.ntnu.no";
services.nginx = {
enable = true;
recommendedProxySettings = true;
recommendedTlsSettings = true;
recommendedGzipSettings = true;
recommendedOptimisation = true;
};
networking.firewall.allowedTCPPorts = [ 80 443 ];
}

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{config, ...}:
{
services.postgresql.enable = true;
services.postgresql.dataDir = "/data/postgres";
}