diff options
Diffstat (limited to 'krebs')
27 files changed, 580 insertions, 35 deletions
diff --git a/krebs/0tests/data/secrets/shack/muell_mail.js b/krebs/0tests/data/secrets/shack/muell_mail.js new file mode 100644 index 000000000..e69de29bb --- /dev/null +++ b/krebs/0tests/data/secrets/shack/muell_mail.js diff --git a/krebs/0tests/data/secrets/shack/s3-power.json b/krebs/0tests/data/secrets/shack/s3-power.json new file mode 100644 index 000000000..0967ef424 --- /dev/null +++ b/krebs/0tests/data/secrets/shack/s3-power.json @@ -0,0 +1 @@ +{} diff --git a/krebs/0tests/data/secrets/shack/unifi-prometheus-pw b/krebs/0tests/data/secrets/shack/unifi-prometheus-pw new file mode 100644 index 000000000..e69de29bb --- /dev/null +++ b/krebs/0tests/data/secrets/shack/unifi-prometheus-pw diff --git a/krebs/1systems/hotdog/config.nix b/krebs/1systems/hotdog/config.nix index 32e416831..60ec625f2 100644 --- a/krebs/1systems/hotdog/config.nix +++ b/krebs/1systems/hotdog/config.nix @@ -14,7 +14,6 @@ <stockholm/krebs/2configs/ircd.nix> <stockholm/krebs/2configs/nscd-fix.nix> <stockholm/krebs/2configs/reaktor2.nix> - <stockholm/krebs/2configs/repo-sync.nix> ]; krebs.build.host = config.krebs.hosts.hotdog; diff --git a/krebs/1systems/puyak/config.nix b/krebs/1systems/puyak/config.nix index af11c6944..ea73e4bd2 100644 --- a/krebs/1systems/puyak/config.nix +++ b/krebs/1systems/puyak/config.nix @@ -7,13 +7,14 @@ <stockholm/krebs/2configs/secret-passwords.nix> <stockholm/krebs/2configs/hw/x220.nix> - <stockholm/krebs/2configs/stats/puyak-client.nix> <stockholm/krebs/2configs/binary-cache/nixos.nix> <stockholm/krebs/2configs/binary-cache/prism.nix> <stockholm/krebs/2configs/go.nix> <stockholm/krebs/2configs/ircd.nix> <stockholm/krebs/2configs/news.nix> <stockholm/krebs/2configs/news-spam.nix> + <stockholm/krebs/2configs/shack/prometheus/node.nix> + <stockholm/krebs/2configs/shack/gitlab-runner.nix> ]; krebs.build.host = config.krebs.hosts.puyak; @@ -59,9 +60,9 @@ }; }; - services.logind.extraConfig = '' - HandleLidSwitch=ignore - ''; + services.logind.lidSwitch = "ignore"; + services.logind.lidSwitchExternalPower = "ignore"; + services.udev.extraRules = '' SUBSYSTEM=="net", ATTR{address}=="8c:70:5a:b2:84:58", NAME="wl0" diff --git a/krebs/1systems/wolf/config.nix b/krebs/1systems/wolf/config.nix index 7ca0f0ec1..9ae65466c 100644 --- a/krebs/1systems/wolf/config.nix +++ b/krebs/1systems/wolf/config.nix @@ -23,6 +23,16 @@ in # <stockholm/krebs/2configs/shack/nix-cacher.nix> # Say if muell will be collected <stockholm/krebs/2configs/shack/muell_caller.nix> + # provide muellshack api + <stockholm/krebs/2configs/shack/muellshack.nix> + # provide light control api + <stockholm/krebs/2configs/shack/node-light.nix> + # send mail if muell was not handled + <stockholm/krebs/2configs/shack/muell_mail.nix> + # send mail if muell was not handled + <stockholm/krebs/2configs/shack/s3-power.nix> + # powerraw usb serial to mqtt and raw socket + <stockholm/krebs/2configs/shack/powerraw.nix> # create samba share for anonymous usage with the laser and 3d printer pc <stockholm/krebs/2configs/shack/share.nix> @@ -38,13 +48,20 @@ in <stockholm/krebs/2configs/shack/mqtt_sub.nix> ## Collect radioactive data and put into graphite <stockholm/krebs/2configs/shack/radioactive.nix> + ## mqtt.shack + <stockholm/krebs/2configs/shack/mqtt.nix> ## Collect local statistics via collectd and send to collectd <stockholm/krebs/2configs/stats/wolf-client.nix> - ## write collectd statistics to wolf.shack - <stockholm/krebs/2configs/collectd-base.nix> + { services.influxdb.enable = true; } <stockholm/krebs/2configs/shack/netbox.nix> + <stockholm/krebs/2configs/shack/prometheus/server.nix> + <stockholm/krebs/2configs/shack/prometheus/node.nix> + <stockholm/krebs/2configs/shack/prometheus/unifi.nix> + <stockholm/krebs/2configs/collectd-base.nix> # home-assistant + { services.influxdb.enable = true; } + ]; # use your own binary cache, fallback use cache.nixos.org (which is used by # apt-cacher-ng in first place) @@ -76,10 +93,12 @@ in networking = { firewall.enable = false; firewall.allowedTCPPorts = [ 8088 8086 8083 ]; - interfaces."${ext-if}".ipv4.addresses = [{ - address = shack-ip; - prefixLength = 20; - }]; + interfaces."${ext-if}".ipv4.addresses = [ + { + address = shack-ip; + prefixLength = 20; + } + ]; defaultGateway = "10.42.0.1"; nameservers = [ "10.42.0.100" "10.42.0.200" ]; @@ -120,11 +139,12 @@ in ''; users.extraUsers.root.openssh.authorizedKeys.keys = [ - config.krebs.users."0x4a6f".pubkey + config.krebs.users."0x4A6F".pubkey config.krebs.users.ulrich.pubkey config.krebs.users.raute.pubkey config.krebs.users.makefu-omo.pubkey "ssh-rsa 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 root@plattenschwein" # for backup + "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC1Lx5MKtVjB/Ef6LpEiIAgVwY5xKQFdHuLQR+odQO4cAgxj1QaIXGN0moixY52DebVQhAtiCNiFZ83uJyOj8kmu30yuXwtSOQeqziA859qMJKZ4ZcYdKvbXwnf2Chm5Ck/0FvtpjTWHIZAogwP1wQto/lcqHOjrTAnZeJfQuHTswYUSnmUU5zdsEZ9HidDPUc2Gv0wkBNd+KMQyOZl0HkaxHWvn0h4KK4hYZisOpeTfXJxD87bo+Eg4LL2vvnHW6dF6Ygrbd/0XRMsRRI8OAReVBUoJn7IE1wwAl/FpblNmhaF9hlL7g7hR1ADvaWMMw0e8SSzW6Y+oIa8qFQL6wR1 gitlab-builder" # for being deployed by gitlab ci ]; services.udev.extraRules = '' SUBSYSTEM=="net", ATTR{address}=="${external-mac}", NAME="${ext-if}" diff --git a/krebs/2configs/collectd-base.nix b/krebs/2configs/collectd-base.nix index 440f83fce..71a00be3a 100644 --- a/krebs/2configs/collectd-base.nix +++ b/krebs/2configs/collectd-base.nix @@ -9,7 +9,7 @@ let ModulePath "${collectd-connect-time}/lib/${python.libPrefix}/site-packages/" Import "collectd_connect_time" <Module collectd_connect_time> - target "localhost:22" "google.com" "google.de" "gum.r:22" "gum.krebsco.de" "heidi.shack:22" "10.42.0.1:22" "heise.de" "t-online.de" + target "localhost:22" "google.com" "google.de" "gum.r:22" "gum.krebsco.de" "10.42.0.1:22" "heise.de" "t-online.de" interval 10 </Module> </Plugin> @@ -18,7 +18,7 @@ let LoadPlugin write_graphite <Plugin "write_graphite"> <Carbon> - Host "heidi.shack" + Host "wolf.r" Port "2003" Prefix "retiolum." EscapeCharacter "_" diff --git a/krebs/2configs/default.nix b/krebs/2configs/default.nix index fafcd72c3..8771c0e1d 100644 --- a/krebs/2configs/default.nix +++ b/krebs/2configs/default.nix @@ -34,6 +34,13 @@ with import <stockholm/lib>; rxvt_unicode.terminfo ]; + i18n = { + consoleKeyMap = "us"; + defaultLocale = lib.mkForce "C"; + }; + + + programs.ssh.startAgent = false; services.openssh = { diff --git a/krebs/2configs/shack/gitlab-runner.nix b/krebs/2configs/shack/gitlab-runner.nix index 0fd06426a..5f2ca02d9 100644 --- a/krebs/2configs/shack/gitlab-runner.nix +++ b/krebs/2configs/shack/gitlab-runner.nix @@ -6,16 +6,17 @@ let }; in { - systemd.services.gitlab-runner.path = [ - "/run/wrappers" # /run/wrappers/bin/su - "/" # /bin/sh - ]; imports = [ "${runner-src}/gitlab-runner.nix" ]; - services.gitlab-runner2.enable = true; - ## registrationConfigurationFile contains: - # CI_SERVER_URL=<CI server URL> - # REGISTRATION_TOKEN=<registration secret> - services.gitlab-runner2.registrationConfigFile = <secrets/shackspace-gitlab-ci>; + services.gitlab-runner2 = { + enable = true; + ## registrationConfigurationFile contains: + # CI_SERVER_URL=<CI server URL> + # REGISTRATION_TOKEN=<registration secret> + registrationConfigFile = <secrets/shackspace-gitlab-ci>; + #gracefulTermination = true; + }; + systemd.services.gitlab-runner2.restartIfChanged = false; + systemd.services.docker.restartIfChanged = false; } diff --git a/krebs/2configs/shack/mqtt.nix b/krebs/2configs/shack/mqtt.nix new file mode 100644 index 000000000..8e5438db2 --- /dev/null +++ b/krebs/2configs/shack/mqtt.nix @@ -0,0 +1,14 @@ +{ + networking.firewall.allowedTCPPorts = [ 1883 ]; + networking.firewall.allowedUDPPorts = [ 1883 ]; + services.mosquitto = { + enable = true; + host = "0.0.0.0"; + users = {}; + # TODO: secure that shit + aclExtraConf = '' + pattern readwrite # + ''; + allowAnonymous = true; + }; +} diff --git a/krebs/2configs/shack/muell_mail.nix b/krebs/2configs/shack/muell_mail.nix new file mode 100644 index 000000000..39d49918d --- /dev/null +++ b/krebs/2configs/shack/muell_mail.nix @@ -0,0 +1,33 @@ +{ config, lib, pkgs, ... }: + +let + pkg = pkgs.callPackage ( + pkgs.fetchgit { + url = "https://git.shackspace.de/rz/muell_mail"; + rev = "861ec25ab22797d8961efb32e72d79e113aa9f0f"; + sha256 = "sha256:18cw95zbr7isv4cw80cbpd84n5z208fwh5390i6j10jkn398mjq2"; + }) {}; + home = "/var/lib/muell_mail"; + cfg = toString <secrets/shack/muell_mail.js>; +in { + users.users.muell_mail = { + inherit home; + createHome = true; + }; + systemd.services.muell_mail = { + description = "muell_mail"; + wantedBy = [ "multi-user.target" ]; + environment.CONFIG = "${home}/muell_mail.js"; + serviceConfig = { + User = "muell_mail"; + ExecStartPre = pkgs.writeDash "muell_mail-pre" '' + install -D -omuell_mail -m700 ${cfg} ${home}/muell_mail.js + ''; + WorkingDirectory = home; + PermissionsStartOnly = true; + ExecStart = "${pkg}/bin/muell_mail"; + Restart = "always"; + PrivateTmp = true; + }; + }; +} diff --git a/krebs/2configs/shack/muellshack.nix b/krebs/2configs/shack/muellshack.nix new file mode 100644 index 000000000..1e6843bdf --- /dev/null +++ b/krebs/2configs/shack/muellshack.nix @@ -0,0 +1,43 @@ +{ config, lib, pkgs, ... }: + +let + pkg = pkgs.callPackage ( + pkgs.fetchgit { + url = "https://git.shackspace.de/rz/muellshack"; + rev = "d8a5e2d4c0a22804838675ac42b468299dcd9a76"; + sha256 = "0ff6q64dgdxmpszp94z100fdic175b1vvxn4crg8p0jcabzxsv0m"; + }) {}; + home = "/var/lib/muellshack"; + port = "8081"; +in { + users.users.muellshack = { + inherit home; + createHome = true; + }; + services.nginx.virtualHosts."muell.shack" = { + locations."/" = { + proxyPass = "http://localhost:${port}/muellshack/"; + }; + }; + services.nginx.virtualHosts."openhab.shack" = { + locations."/muellshack/".proxyPass = "http://localhost:${port}/muellshack/"; + }; + systemd.services.muellshack = { + description = "muellshack"; + wantedBy = [ "multi-user.target" ]; + environment.PORT = port; + serviceConfig = { + User = "muellshack"; + # do not override the current storage fil + ExecStartPre = pkgs.writeDash "call-muell-pre" '' + cp -vf ${pkg}/share/static_muelldata.json ${home} + cp -vn ${pkg}/share/storage.json ${home} + chmod 700 ${home}/storage.json + ''; + WorkingDirectory = home; + ExecStart = "${pkg}/bin/muellshack"; + Restart = "always"; + PrivateTmp = true; + }; + }; +} diff --git a/krebs/2configs/shack/node-light.nix b/krebs/2configs/shack/node-light.nix new file mode 100644 index 000000000..63772f182 --- /dev/null +++ b/krebs/2configs/shack/node-light.nix @@ -0,0 +1,53 @@ +{ config, lib, pkgs, ... }: + +let + pkg = pkgs.callPackage ( + pkgs.fetchgit { + url = "https://git.shackspace.de/rz/node-light.git"; + rev = "a32c782650c4cc0adf51250fe249167d7246c59b"; + sha256 = "0clvcp1m2ay0a9ibh7s21q7d9a6nam3497bysvc6mdygblks22qy"; + }) {}; + home = "/var/lib/node-light"; + port = "8082"; +in { + # receive response from light.shack / standby.shack + networking.firewall.allowedUDPPorts = [ 2342 ]; + users.users.node-light = { + inherit home; + createHome = true; + }; + services.nginx.virtualHosts."lounge.light.shack" = { + locations."/" = { + proxyPass = "http://localhost:${port}/lounge/"; + }; + }; + services.nginx.virtualHosts."power.light.shack" = { + locations."/" = { + proxyPass = "http://localhost:${port}/power/"; + }; + }; + + services.nginx.virtualHosts."openhab.shack" = { + serverAliases = [ "lightapi.shack" ]; + locations."/power/".proxyPass = "http://localhost:${port}/power/"; + locations."/lounge/".proxyPass = "http://localhost:${port}/lounge/"; + }; + systemd.services.node-light= { + description = "node-light"; + wantedBy = [ "multi-user.target" ]; + environment.PORT = port; + serviceConfig = { + User = "node-light"; + # do not override the current storage file + ExecStartPre = pkgs.writeDash "call-light-pre" '' + cp -vn ${pkg}/share/storage.json ${home} + chmod 700 ${home}/storage.json + + ''; + WorkingDirectory = home; + ExecStart = "${pkg}/bin/node-light"; + Restart = "always"; + PrivateTmp = true; + }; + }; +} diff --git a/krebs/2configs/shack/powerraw.nix b/krebs/2configs/shack/powerraw.nix new file mode 100644 index 000000000..af3f129c1 --- /dev/null +++ b/krebs/2configs/shack/powerraw.nix @@ -0,0 +1,72 @@ +{ config, lib, pkgs, ... }: +# Replacement for powerraw.shack pollin box +# Requires usb-serial device on host +# Requires mqtt available at mqtt.shack +# Requires hostname powerraw.shack +let + influx-url = "http://influx.shack:8086"; + pkg = pkgs.python3.pkgs.callPackage ( + pkgs.fetchgit { + url = "https://git.shackspace.de/rz/powermeter.git"; + rev = "96609f0d632e0732afa768ddd7b3f8841ca37c1b"; + sha256 = "sha256:0wfpm3ik5r081qv2crmpjwylgg2v8ximq347qh0fzq1rwv0dqbnn"; + }) {}; +in { + # receive response from light.shack / standby.shack + networking.firewall.allowedUDPPorts = [ 11111 ]; + users.users.powermeter.extraGroups = [ "dialout" ]; + + systemd.services.powermeter-serial2mqtt = { + description = "powerraw Serial -> mqtt"; + wantedBy = [ "multi-user.target" ]; + serviceConfig = { + User = "powermeter"; + ExecStart = "${pkg}/bin/powermeter-serial2mqtt"; + Restart = "always"; + PrivateTmp = true; + }; + }; + + systemd.services.powermeter-mqtt2socket = { + description = "powerraw mqtt -> raw socket 11111"; + wantedBy = [ "multi-user.target" ]; + serviceConfig = { + User = "powermeter"; + ExecStart = "${pkg}/bin/powermeter-mqtt2socket"; + Restart = "always"; + PrivateTmp = true; + }; + }; + + services.telegraf = { + enable = true; + extraConfig = { + agent.debug = false; + outputs = { + influxdb = [{ + urls = [ influx-url ]; + database = "telegraf"; + }]; + }; + }; + }; + + services.telegraf.extraConfig.inputs.mqtt_consumer = let + genTopic = name: topic: tags: { + servers = [ "tcp://mqtt.shack:1883" ]; + qos = 0; + connection_timeout = "30s"; + topics = [ topic ]; + inherit tags; + persistent_session = false; + name_override = name; + data_format = "value"; + data_type = "float"; + }; + sensor = "total"; + types = [ "Voltage" "Current" "Power" ]; + phases = [ 1 2 3 ]; + in + [ (genTopic "Power consumed" "/power/${sensor}/consumed" { inherit sensor; }) ] ++ + (lib.flatten (map (type: (map (phase: (genTopic "Power" "/power/${sensor}/L${toString phase}/${type}" { inherit sensor phase type; }) ) phases)) types)); +} diff --git a/krebs/2configs/shack/prometheus/node.nix b/krebs/2configs/shack/prometheus/node.nix new file mode 100644 index 000000000..5462464d5 --- /dev/null +++ b/krebs/2configs/shack/prometheus/node.nix @@ -0,0 +1,27 @@ +{ config, lib, pkgs, ... }: +{ + networking.firewall.allowedTCPPorts = [ 9100 ]; + + services.prometheus.exporters.node = { + enable = true; + enabledCollectors = [ + "conntrack" + "diskstats" + "entropy" + "filefd" + "filesystem" + "loadavg" + "mdadm" + "meminfo" + "netdev" + "netstat" + "stat" + "time" + "vmstat" + "systemd" + "logind" + "interrupts" + "ksmd" + ]; + }; +} diff --git a/krebs/2configs/shack/prometheus/server.nix b/krebs/2configs/shack/prometheus/server.nix new file mode 100644 index 000000000..c936f2531 --- /dev/null +++ b/krebs/2configs/shack/prometheus/server.nix @@ -0,0 +1,195 @@ +{ pkgs, lib, config, ... }: +# from https://gist.github.com/globin/02496fd10a96a36f092a8e7ea0e6c7dd +{ + 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.", + } + '' + ]; + scrapeConfigs = [ + { + job_name = "node"; + scrape_interval = "10s"; + static_configs = [ + { + targets = [ + "localhost:9100" + ]; + labels = { + alias = "wolf.shack"; + }; + } + { + targets = [ + "localhost:9130" + ]; + labels = { + alias = "unifi.shack"; + }; + } + { + targets = [ + "10.42.22.184:9100" # puyak.shack + ]; + labels = { + alias = "puyak.shack"; + }; + } + { + targets = [ + "phenylbutazon.shack:9100" + ]; + labels = { + alias = "phenylbutazon.shack"; + }; + } + { + targets = [ + "ibuprofen.shack:9100" + ]; + labels = { + alias = "ibuprofen.shack"; + }; + } + ]; + } + ]; + 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; + } + ]; + } + ]; + }; + }; + }; + }; +} diff --git a/krebs/2configs/shack/prometheus/unifi.nix b/krebs/2configs/shack/prometheus/unifi.nix new file mode 100644 index 000000000..401ecb024 --- /dev/null +++ b/krebs/2configs/shack/prometheus/unifi.nix @@ -0,0 +1,10 @@ +{lib, ... }: +{ + services.prometheus.exporters.unifi = { + enable = true; + unifiAddress = "https://unifi.shack:8443/"; + unifiInsecure = true; + unifiUsername = "prometheus"; # needed manual login after setup to confirm the password + unifiPassword = lib.replaceChars ["\n"] [""] (builtins.readFile <secrets/shack/unifi-prometheus-pw>); + }; +} diff --git a/krebs/2configs/shack/s3-power.nix b/krebs/2configs/shack/s3-power.nix new file mode 100644 index 000000000..40c42260f --- /dev/null +++ b/krebs/2configs/shack/s3-power.nix @@ -0,0 +1,33 @@ +{ config, lib, pkgs, ... }: + +let + pkg = pkgs.callPackage ( + pkgs.fetchgit { + url = "https://git.shackspace.de/rz/s3-power"; + rev = "b2b87b56bb40d714dbbecd1285566870b256aec4"; + sha256 = "sha256:02wikwf3rgkkggwbwqisdvhlwd38w5pw011xhwvhnj114s3rynan"; + }) {}; + home = "/var/lib/s3-power"; + cfg = toString <secrets/shack/s3-power.json>; +in { + users.users.s3_power = { + inherit home; + createHome = true; + }; + systemd.services.s3-power = { + startAt = "daily"; + description = "s3-power"; + environment.CONFIG = "${home}/s3-power.json"; + serviceConfig = { + Type = "oneshot"; + User = "s3_power"; + ExecStartPre = pkgs.writeDash "s3-power-pre" '' + install -D -os3_power -m700 ${cfg} ${home}/s3-power.json + ''; + WorkingDirectory = home; + PermissionsStartOnly = true; + ExecStart = "${pkg}/bin/s3-power"; + PrivateTmp = true; + }; + }; +} diff --git a/krebs/3modules/external/default.nix b/krebs/3modules/external/default.nix index 66f9620c7..aac67f2e3 100644 --- a/krebs/3modules/external/default.nix +++ b/krebs/3modules/external/default.nix @@ -588,6 +588,34 @@ in { }; }; }; + crustacea = { + owner = config.krebs.users."0x4A6F"; + nets = { + retiolum = { + ip4.addr = "10.243.42.63"; + ip6.addr = "42:4a6f::4263"; |