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-rw-r--r--lass/1systems/mors/config.nix39
-rw-r--r--lass/1systems/prism/config.nix36
-rw-r--r--lass/2configs/monitoring/node-exporter.nix13
-rw-r--r--lass/2configs/monitoring/prometheus-server.nix179
-rw-r--r--lass/2configs/reaktor-coders.nix15
-rw-r--r--lass/2configs/syncthing.nix1
-rw-r--r--lass/2configs/websites/util.nix6
-rw-r--r--lass/3modules/default.nix1
-rw-r--r--lass/3modules/restic.nix119
-rw-r--r--lass/5pkgs/l-gen-secrets/default.nix (renamed from lass/5pkgs/generate-secrets/default.nix)6
10 files changed, 383 insertions, 32 deletions
diff --git a/lass/1systems/mors/config.nix b/lass/1systems/mors/config.nix
index cd259d0fe..c59494e4d 100644
--- a/lass/1systems/mors/config.nix
+++ b/lass/1systems/mors/config.nix
@@ -141,6 +141,15 @@ with import <stockholm/lib>;
dnsutils
generate-secrets
+ (pkgs.writeDashBin "btc-coinbase" ''
+ ${pkgs.curl}/bin/curl -Ss 'https://api.coinbase.com/v2/prices/spot?currency=EUR' | ${pkgs.jq}/bin/jq '.data.amount'
+ '')
+ (pkgs.writeDashBin "btc-wex" ''
+ ${pkgs.curl}/bin/curl -Ss 'https://wex.nz/api/3/ticker/btc_eur' | ${pkgs.jq}/bin/jq '.btc_eur.avg'
+ '')
+ (pkgs.writeDashBin "btc-kraken" ''
+ ${pkgs.curl}/bin/curl -Ss 'https://api.kraken.com/0/public/Ticker?pair=BTCEUR' | ${pkgs.jq}/bin/jq '.result.XXBTZEUR.a[0]'
+ '')
];
#TODO: fix this shit
@@ -177,4 +186,34 @@ with import <stockholm/lib>;
programs.adb.enable = true;
users.users.mainUser.extraGroups = [ "adbusers" "docker" ];
virtualisation.docker.enable = true;
+
+ lass.restic = genAttrs [
+ "daedalus"
+ "icarus"
+ "littleT"
+ "prism"
+ "shodan"
+ "skynet"
+ ] (dest: {
+ dirs = [
+ "/home/lass/src"
+ "/home/lass/work"
+ "/home/lass/.gnupg"
+ "/home/lass/Maildir"
+ "/home/lass/stockholm"
+ "/home/lass/.password-store"
+ "/home/bitcoin"
+ "/home/bch"
+ ];
+ passwordFile = (toString <secrets>) + "/restic/${dest}";
+ repo = "sftp:backup@${dest}.r:/backups/mors";
+ #sshPrivateKey = config.krebs.build.host.ssh.privkey.path;
+ extraArguments = [
+ "sftp.command='ssh backup@${dest}.r -i ${config.krebs.build.host.ssh.privkey.path} -s sftp'"
+ ];
+ timerConfig = {
+ OnCalendar = "00:05";
+ RandomizedDelaySec = "5h";
+ };
+ });
}
diff --git a/lass/1systems/prism/config.nix b/lass/1systems/prism/config.nix
index c0e4620cc..983604f8e 100644
--- a/lass/1systems/prism/config.nix
+++ b/lass/1systems/prism/config.nix
@@ -8,11 +8,15 @@ in {
imports = [
<stockholm/lass>
{
- networking.interfaces.et0.ip4 = [
+ networking.interfaces.et0.ipv4.addresses = [
{
address = ip;
prefixLength = 27;
}
+ {
+ address = "46.4.114.243";
+ prefixLength = 27;
+ }
];
networking.defaultGateway = "46.4.114.225";
networking.nameservers = [
@@ -110,29 +114,13 @@ in {
};
# TODO write function for proxy_pass (ssl/nonssl)
- services.nginx.virtualHosts."hackerfleet.de" = {
- serverAliases = [
- "*.hackerfleet.de"
- ];
- locations."/".extraConfig = ''
- proxy_pass http://192.168.122.92:80;
- '';
- };
- services.nginx.virtualHosts."hackerfleet.de-s" = {
- serverName = "hackerfleet.de";
- listen = [
- {
- addr = "0.0.0.0";
- port = 443;
- }
- ];
- serverAliases = [
- "*.hackerfleet.de"
- ];
- locations."/".extraConfig = ''
- proxy_pass http://192.168.122.92:443;
- '';
- };
+
+ krebs.iptables.tables.filter.FORWARD.rules = [
+ { v6 = false; precedence = 1000; predicate = "-d 192.168.122.92"; target = "ACCEPT"; }
+ ];
+ krebs.iptables.tables.nat.PREROUTING.rules = [
+ { v6 = false; precedence = 1000; predicate = "-d 46.4.114.243"; target = "DNAT --to-destination 192.168.122.92"; }
+ ];
}
{
users.users.tv = {
diff --git a/lass/2configs/monitoring/node-exporter.nix b/lass/2configs/monitoring/node-exporter.nix
new file mode 100644
index 000000000..8c27e90d4
--- /dev/null
+++ b/lass/2configs/monitoring/node-exporter.nix
@@ -0,0 +1,13 @@
+{ config, lib, pkgs, ... }:
+{
+ networking.firewall.allowedTCPPorts = [ 9100 ];
+
+ services.prometheus.exporters = {
+ node = {
+ enable = true;
+ enabledCollectors = [
+ "systemd"
+ ];
+ };
+ };
+}
diff --git a/lass/2configs/monitoring/prometheus-server.nix b/lass/2configs/monitoring/prometheus-server.nix
new file mode 100644
index 000000000..d56d7e552
--- /dev/null
+++ b/lass/2configs/monitoring/prometheus-server.nix
@@ -0,0 +1,179 @@
+{ pkgs, lib, config, ... }:
+{
+ #networking = {
+ # firewall.allowedTCPPorts = [
+ # 3000 # grafana
+ # 9090 # prometheus
+ # 9093 # alertmanager
+ # ];
+ # useDHCP = true;
+ #};
+
+ services = {
+ prometheus = {
+ enable = true;
+ extraFlags = [
+ "-storage.local.retention 8760h"
+ "-storage.local.series-file-shrink-ratio 0.3"
+ "-storage.local.memory-chunks 2097152"
+ "-storage.local.max-chunks-to-persist 1048576"
+ "-storage.local.index-cache-size.fingerprint-to-metric 2097152"
+ "-storage.local.index-cache-size.fingerprint-to-timerange 1048576"
+ "-storage.local.index-cache-size.label-name-to-label-values 2097152"
+ "-storage.local.index-cache-size.label-pair-to-fingerprints 41943040"
+ ];
+ alertmanagerURL = [ "http://localhost:9093" ];
+ rules = [
+ ''
+ ALERT node_down
+ IF up == 0
+ FOR 5m
+ LABELS {
+ severity="page"
+ }
+ ANNOTATIONS {
+ summary = "{{$labels.alias}}: Node is down.",
+ description = "{{$labels.alias}} has been down for more than 5 minutes."
+ }
+ ALERT node_systemd_service_failed
+ IF node_systemd_unit_state{state="failed"} == 1
+ FOR 4m
+ LABELS {
+ severity="page"
+ }
+ ANNOTATIONS {
+ summary = "{{$labels.alias}}: Service {{$labels.name}} failed to start.",
+ description = "{{$labels.alias}} failed to (re)start service {{$labels.name}}."
+ }
+ ALERT node_filesystem_full_90percent
+ IF sort(node_filesystem_free{device!="ramfs"} < node_filesystem_size{device!="ramfs"} * 0.1) / 1024^3
+ FOR 5m
+ LABELS {
+ severity="page"
+ }
+ ANNOTATIONS {
+ summary = "{{$labels.alias}}: Filesystem is running out of space soon.",
+ description = "{{$labels.alias}} device {{$labels.device}} on {{$labels.mountpoint}} got less than 10% space left on its filesystem."
+ }
+ ALERT node_filesystem_full_in_4h
+ IF predict_linear(node_filesystem_free{device!="ramfs"}[1h], 4*3600) <= 0
+ FOR 5m
+ LABELS {
+ severity="page"
+ }
+ ANNOTATIONS {
+ summary = "{{$labels.alias}}: Filesystem is running out of space in 4 hours.",
+ description = "{{$labels.alias}} device {{$labels.device}} on {{$labels.mountpoint}} is running out of space of in approx. 4 hours"
+ }
+ ALERT node_filedescriptors_full_in_3h
+ IF predict_linear(node_filefd_allocated[1h], 3*3600) >= node_filefd_maximum
+ FOR 20m
+ LABELS {
+ severity="page"
+ }
+ ANNOTATIONS {
+ summary = "{{$labels.alias}} is running out of available file descriptors in 3 hours.",
+ description = "{{$labels.alias}} is running out of available file descriptors in approx. 3 hours"
+ }
+ ALERT node_load1_90percent
+ IF node_load1 / on(alias) count(node_cpu{mode="system"}) by (alias) >= 0.9
+ FOR 1h
+ LABELS {
+ severity="page"
+ }
+ ANNOTATIONS {
+ summary = "{{$labels.alias}}: Running on high load.",
+ description = "{{$labels.alias}} is running with > 90% total load for at least 1h."
+ }
+ ALERT node_cpu_util_90percent
+ IF 100 - (avg by (alias) (irate(node_cpu{mode="idle"}[5m])) * 100) >= 90
+ FOR 1h
+ LABELS {
+ severity="page"
+ }
+ ANNOTATIONS {
+ summary = "{{$labels.alias}}: High CPU utilization.",
+ description = "{{$labels.alias}} has total CPU utilization over 90% for at least 1h."
+ }
+ ALERT node_ram_using_90percent
+ IF node_memory_MemFree + node_memory_Buffers + node_memory_Cached < node_memory_MemTotal * 0.1
+ FOR 30m
+ LABELS {
+ severity="page"
+ }
+ ANNOTATIONS {
+ summary="{{$labels.alias}}: Using lots of RAM.",
+ description="{{$labels.alias}} is using at least 90% of its RAM for at least 30 minutes now.",
+ }
+ ALERT node_swap_using_80percent
+ IF node_memory_SwapTotal - (node_memory_SwapFree + node_memory_SwapCached) > node_memory_SwapTotal * 0.8
+ FOR 10m
+ LABELS {
+ severity="page"
+ }
+ ANNOTATIONS {
+ summary="{{$labels.alias}}: Running out of swap soon.",
+ description="{{$labels.alias}} is using 80% of its swap space for at least 10 minutes now."
+ }
+ ''
+ ];
+ scrapeConfigs = [
+ {
+ job_name = "node";
+ scrape_interval = "10s";
+ static_configs = [
+ {
+ targets = [
+ "localhost:9100"
+ ];
+ labels = {
+ alias = "prometheus.example.com";
+ };
+ }
+ ];
+ }
+ ];
+ alertmanager = {
+ enable = true;
+ listenAddress = "0.0.0.0";
+ configuration = {
+ "global" = {
+ "smtp_smarthost" = "smtp.example.com:587";
+ "smtp_from" = "alertmanager@example.com";
+ };
+ "route" = {
+ "group_by" = [ "alertname" "alias" ];
+ "group_wait" = "30s";
+ "group_interval" = "2m";
+ "repeat_interval" = "4h";
+ "receiver" = "team-admins";
+ };
+ "receivers" = [
+ {
+ "name" = "team-admins";
+ "email_configs" = [
+ {
+ "to" = "devnull@example.com";
+ "send_resolved" = true;
+ }
+ ];
+ "webhook_configs" = [
+ {
+ "url" = "https://example.com/prometheus-alerts";
+ "send_resolved" = true;
+ }
+ ];
+ }
+ ];
+ };
+ };
+ };
+ grafana = {
+ enable = true;
+ addr = "0.0.0.0";
+ domain = "grafana.example.com";
+ rootUrl = "https://grafana.example.com/";
+ security = import <secrets/grafana_security.nix>; # { AdminUser = ""; adminPassword = ""}
+ };
+ };
+}
diff --git a/lass/2configs/reaktor-coders.nix b/lass/2configs/reaktor-coders.nix
index 5fa1611ae..5a39f7115 100644
--- a/lass/2configs/reaktor-coders.nix
+++ b/lass/2configs/reaktor-coders.nix
@@ -4,7 +4,7 @@ with import <stockholm/lib>;
{
krebs.Reaktor.coders = {
nickname = "Reaktor|lass";
- channels = [ "#coders" "#germany" ];
+ channels = [ "#coders" "#germany" "#panthermoderns" ];
extraEnviron = {
REAKTOR_HOST = "irc.hackint.org";
};
@@ -87,6 +87,19 @@ with import <stockholm/lib>;
exec /run/wrappers/bin/ping -q -c1 "$1" 2>&1 | tail -1
'';
})
+ (buildSimpleReaktorPlugin "google" {
+ pattern = "^!g (?P<args>.*)$$";
+ script = pkgs.writeDash "google" ''
+ exec ${pkgs.ddgr}/bin/ddgr -C -n1 --json "$@" | \
+ ${pkgs.jq}/bin/jq '@text "\(.[0].abstract) \(.[0].url)"'
+ '';
+ })
+ (buildSimpleReaktorPlugin "blockchain" {
+ pattern = ".*[Bb]lockchain.*$$";
+ script = pkgs.writeDash "blockchain" ''
+ exec echo 'DID SOMEBODY SAY BLOCKCHAIN? https://paste.krebsco.de/r99pMoQq/+inline'
+ '';
+ })
];
};
}
diff --git a/lass/2configs/syncthing.nix b/lass/2configs/syncthing.nix
index cef43d1e6..17debf822 100644
--- a/lass/2configs/syncthing.nix
+++ b/lass/2configs/syncthing.nix
@@ -3,7 +3,6 @@ with import <stockholm/lib>;
{
services.syncthing = {
enable = true;
- useInotify = true;
};
krebs.iptables.tables.filter.INPUT.rules = [
{ predicate = "-p tcp --dport 22000"; target = "ACCEPT";}
diff --git a/lass/2configs/websites/util.nix b/lass/2configs/websites/util.nix
index 62055d0fd..441b7af90 100644
--- a/lass/2configs/websites/util.nix
+++ b/lass/2configs/websites/util.nix
@@ -16,7 +16,7 @@ rec {
in {
services.nginx.virtualHosts.${domain} = {
enableACME = true;
- enableSSL = true;
+ onlySSL = true;
extraConfig = ''
listen 80;
listen [::]:80;
@@ -34,7 +34,7 @@ rec {
in {
services.nginx.virtualHosts."${domain}" = {
enableACME = true;
- enableSSL = true;
+ onlySSL = true;
serverAliases = domains;
extraConfig = ''
listen 80;
@@ -148,7 +148,7 @@ rec {
in {
services.nginx.virtualHosts."${domain}" = {
enableACME = true;
- enableSSL = true;
+ onlySSL = true;
serverAliases = domains;
extraConfig = ''
listen 80;
diff --git a/lass/3modules/default.nix b/lass/3modules/default.nix
index 0c10e1ec2..5e7e6dff3 100644
--- a/lass/3modules/default.nix
+++ b/lass/3modules/default.nix
@@ -8,6 +8,7 @@ _:
./mysql-backup.nix
./news.nix
./pyload.nix
+ ./restic.nix
./screenlock.nix
./umts.nix
./usershadow.nix
diff --git a/lass/3modules/restic.nix b/lass/3modules/restic.nix
new file mode 100644
index 000000000..c720793b1
--- /dev/null
+++ b/lass/3modules/restic.nix
@@ -0,0 +1,119 @@
+{ config, lib, pkgs, ... }:
+
+with import <stockholm/lib>;
+
+{
+ options.lass.restic = mkOption {
+ type = types.attrsOf (types.submodule ({ config, ... }: {
+ options = {
+ name = mkOption {
+ type = types.str;
+ default = config._module.args.name;
+ };
+ passwordFile = mkOption {
+ type = types.str;
+ default = toString <secrets/restic-password>;
+ description = ''
+ read the repository password from a file.
+ '';
+ example = "/etc/nixos/restic-password";
+
+ };
+ repo = mkOption {
+ type = types.str;
+ default = "sftp:backup@prism.r:/backups/${config.name}";
+ description = ''
+ repository to backup to.
+ '';
+ example = "sftp:backup@192.168.1.100:/backups/${config.name}";
+ };
+ dirs = mkOption {
+ type = types.listOf types.str;
+ default = [];
+ description = ''
+ which directories to backup.
+ '';
+ example = [
+ "/var/lib/postgresql"
+ "/home/user/backup"
+ ];
+ };
+ timerConfig = mkOption {
+ type = types.attrsOf types.str;
+ default = {
+ OnCalendar = "daily";
+ };
+ description = ''
+ When to run the backup. See man systemd.timer for details.
+ '';
+ example = {
+ OnCalendar = "00:05";
+ RandomizedDelaySec = "5h";
+ };
+ };
+ user = mkOption {
+ type = types.str;
+ default = "root";
+ description = ''
+ As which user the backup should run.
+ '';
+ example = "postgresql";
+ };
+ extraArguments = mkOption {
+ type = types.listOf types.str;
+ default = [];
+ description = ''
+ Extra arguments to append to the restic command.
+ '';
+ example = [
+ "sftp.command='ssh backup@192.168.1.100 -i /home/user/.ssh/id_rsa -s sftp"
+ ];
+ };
+ initialize = mkOption {
+ type = types.bool;
+ default = false;
+ description = ''
+ Create the repository if it doesn't exist.
+ '';
+ };
+ };
+ }));
+ default = {};
+ };
+
+ config = {
+ systemd.services =
+ mapAttrs' (_: plan:
+ let
+ extraArguments = concatMapStringsSep " " (arg: "-o ${arg}") plan.extraArguments;
+ connectTo = elemAt (splitString ":" plan.repo) 1;
+ resticCmd = "${pkgs.restic}/bin/restic ${extraArguments}";
+ in nameValuePair "backup.${plan.name}" {
+ environment = {
+ RESTIC_PASSWORD_FILE = plan.passwordFile;
+ RESTIC_REPOSITORY = plan.repo;
+ };
+ path = with pkgs; [
+ openssh
+ ];
+ restartIfChanged = false;
+ serviceConfig = {
+ ExecStartPre = mkIf plan.initialize (pkgs.writeScript "rustic-${plan.name}-init" ''
+ #! ${pkgs.bash}/bin/bash
+ ${resticCmd} snapshots || ${resticCmd} init
+ '');
+ ExecStart = pkgs.writeDash "rustic-${plan.name}" (
+ "#! ${pkgs.bash}/bin/bash\n" +
+ concatMapStringsSep "\n" (dir: "${resticCmd} backup ${dir}") plan.dirs
+ );
+ User = plan.user;
+ };
+ }
+ ) config.lass.restic;
+ systemd.timers =
+ mapAttrs' (_: plan: nameValuePair "backup.${plan.name}" {
+ wantedBy = [ "timers.target" ];
+ timerConfig = plan.timerConfig;
+ }) config.lass.restic;
+ };
+}
diff --git a/lass/5pkgs/generate-secrets/default.nix b/lass/5pkgs/l-gen-secrets/default.nix
index 5a4afe7c5..4b25fbd4c 100644
--- a/lass/5pkgs/generate-secrets/default.nix
+++ b/lass/5pkgs/l-gen-secrets/default.nix
@@ -1,5 +1,5 @@
{ pkgs }:
-pkgs.writeDashBin "generate-secrets" ''
+pkgs.writeDashBin "l-gen-secrets" ''
HOSTNAME="$1"
TMPDIR=$(${pkgs.coreutils}/bin/mktemp -d)
PASSWORD=$(${pkgs.pwgen}/bin/pwgen 25 1)
@@ -17,9 +17,9 @@ pkgs.writeDashBin "generate-secrets" ''
cd $TMPDIR
for x in *; do
- ${pkgs.coreutils}/bin/cat $x | ${pkgs.pass}/bin/pass insert -m hosts/$HOSTNAME/$x > /dev/null
+ ${pkgs.coreutils}/bin/cat $x | ${pkgs.pass}/bin/pass insert -m krebs-secrets/$HOSTNAME/$x > /dev/null
done
- echo $PASSWORD | ${pkgs.pass}/bin/pass insert -m admin/hosts/$HOSTNAME/pass > /dev/null
+ echo $PASSWORD | ${pkgs.pass}/bin/pass insert -m hosts/$HOSTNAME/pass > /dev/null
cat <<EOF
$HOSTNAME = {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-04 04:31:32 +0000