diff options
Diffstat (limited to 'krebs')
-rw-r--r-- | krebs/0tests/data/secrets/shack/unifi-prometheus-pw | 0 | ||||
-rw-r--r-- | krebs/1systems/puyak/config.nix | 7 | ||||
-rw-r--r-- | krebs/1systems/wolf/config.nix | 9 | ||||
-rw-r--r-- | krebs/2configs/collectd-base.nix | 4 | ||||
-rw-r--r-- | krebs/2configs/shack/prometheus/node.nix | 27 | ||||
-rw-r--r-- | krebs/2configs/shack/prometheus/server.nix | 195 | ||||
-rw-r--r-- | krebs/2configs/shack/prometheus/unifi.nix | 10 | ||||
-rw-r--r-- | krebs/3modules/makefu/default.nix | 9 | ||||
-rw-r--r-- | krebs/3modules/makefu/wiregrill/rockit.pub | 2 | ||||
-rw-r--r-- | krebs/3modules/makefu/wiregrill/shackdev.pub | 1 |
10 files changed, 253 insertions, 11 deletions
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/puyak/config.nix b/krebs/1systems/puyak/config.nix index af11c6944..f9b83ef21 100644 --- a/krebs/1systems/puyak/config.nix +++ b/krebs/1systems/puyak/config.nix @@ -7,13 +7,13 @@ <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> ]; krebs.build.host = config.krebs.hosts.puyak; @@ -59,10 +59,7 @@ }; }; - services.logind.extraConfig = '' - HandleLidSwitch=ignore - ''; - + services.logind.lidSwitch = "ignore"; services.udev.extraRules = '' SUBSYSTEM=="net", ATTR{address}=="8c:70:5a:b2:84:58", NAME="wl0" SUBSYSTEM=="net", ATTR{address}=="3c:97:0e:07:b9:14", NAME="et0" diff --git a/krebs/1systems/wolf/config.nix b/krebs/1systems/wolf/config.nix index 7ca0f0ec1..d684dcd1c 100644 --- a/krebs/1systems/wolf/config.nix +++ b/krebs/1systems/wolf/config.nix @@ -40,11 +40,16 @@ in <stockholm/krebs/2configs/shack/radioactive.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) 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/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/3modules/makefu/default.nix b/krebs/3modules/makefu/default.nix index 601762b93..9581712fb 100644 --- a/krebs/3modules/makefu/default.nix +++ b/krebs/3modules/makefu/default.nix @@ -236,6 +236,7 @@ in { "tracker.makefu.r" "wiki.gum.r" "wiki.makefu.r" + "sick.makefu.r" ]; }; }; @@ -288,10 +289,16 @@ in { ip4.addr = "10.243.189.130"; }; }; + }; + + shackdev = rec { # router@shack + cores = 1; + nets.wiregrill.ip4.addr = "10.244.245.2"; }; + rockit = rec { # router@home cores = 1; - nets.wiregrill.ip4.addr = "10.244.245.2"; + nets.wiregrill.ip4.addr = "10.244.245.3"; }; senderechner = rec { diff --git a/krebs/3modules/makefu/wiregrill/rockit.pub b/krebs/3modules/makefu/wiregrill/rockit.pub index 6cb0d960d..ace109450 100644 --- a/krebs/3modules/makefu/wiregrill/rockit.pub +++ b/krebs/3modules/makefu/wiregrill/rockit.pub @@ -1 +1 @@ -YmvTL4c13WS6f88ZAz2m/2deL2pnPXI0Ay3edCPE1Qc= +LPMs1h9+8ABqeZsS6xmHC7votPqpUT609XuktAhaik8= diff --git a/krebs/3modules/makefu/wiregrill/shackdev.pub b/krebs/3modules/makefu/wiregrill/shackdev.pub new file mode 100644 index 000000000..6cb0d960d --- /dev/null +++ b/krebs/3modules/makefu/wiregrill/shackdev.pub @@ -0,0 +1 @@ +YmvTL4c13WS6f88ZAz2m/2deL2pnPXI0Ay3edCPE1Qc= |