From 1d37fba51e4f4fbb7fe7acccc11e2b2ac5dcc5b7 Mon Sep 17 00:00:00 2001 From: lassulus Date: Fri, 20 Apr 2018 23:33:09 +0200 Subject: l reaktor-coders: /j #panthermoderns --- lass/2configs/reaktor-coders.nix | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'lass/2configs') diff --git a/lass/2configs/reaktor-coders.nix b/lass/2configs/reaktor-coders.nix index 5fa1611ae..922cd79cb 100644 --- a/lass/2configs/reaktor-coders.nix +++ b/lass/2configs/reaktor-coders.nix @@ -4,7 +4,7 @@ with import ; { krebs.Reaktor.coders = { nickname = "Reaktor|lass"; - channels = [ "#coders" "#germany" ]; + channels = [ "#coders" "#germany" "#panthermoderns" ]; extraEnviron = { REAKTOR_HOST = "irc.hackint.org"; }; -- cgit v1.2.3 From 824c19e81a5696018973be2d692fcd9f07f8ef10 Mon Sep 17 00:00:00 2001 From: lassulus Date: Fri, 20 Apr 2018 23:33:26 +0200 Subject: l reaktor-coders: add google & blockchain command --- lass/2configs/reaktor-coders.nix | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'lass/2configs') diff --git a/lass/2configs/reaktor-coders.nix b/lass/2configs/reaktor-coders.nix index 922cd79cb..5a39f7115 100644 --- a/lass/2configs/reaktor-coders.nix +++ b/lass/2configs/reaktor-coders.nix @@ -87,6 +87,19 @@ with import ; exec /run/wrappers/bin/ping -q -c1 "$1" 2>&1 | tail -1 ''; }) + (buildSimpleReaktorPlugin "google" { + pattern = "^!g (?P.*)$$"; + 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' + ''; + }) ]; }; } -- cgit v1.2.3 From 0521f960c8c93da7082722632309b533260781d5 Mon Sep 17 00:00:00 2001 From: lassulus Date: Fri, 20 Apr 2018 23:34:14 +0200 Subject: l syncthing: remove deprecated inotify --- lass/2configs/syncthing.nix | 1 - 1 file changed, 1 deletion(-) (limited to 'lass/2configs') 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 ; { services.syncthing = { enable = true; - useInotify = true; }; krebs.iptables.tables.filter.INPUT.rules = [ { predicate = "-p tcp --dport 22000"; target = "ACCEPT";} -- cgit v1.2.3 From 0164e142e3ce793cb98b237ba2384b3d88a3550c Mon Sep 17 00:00:00 2001 From: lassulus Date: Fri, 20 Apr 2018 23:35:13 +0200 Subject: l websites: enableSSL -> onlySSL --- lass/2configs/websites/util.nix | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'lass/2configs') 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; -- cgit v1.2.3 From c99e8256b223761eb50cf5d6841ab64f989851c3 Mon Sep 17 00:00:00 2001 From: lassulus Date: Sat, 21 Apr 2018 17:52:45 +0200 Subject: l monitoring: add example prometheus config --- lass/2configs/monitoring/node-exporter.nix | 13 ++ lass/2configs/monitoring/prometheus-server.nix | 179 +++++++++++++++++++++++++ 2 files changed, 192 insertions(+) create mode 100644 lass/2configs/monitoring/node-exporter.nix create mode 100644 lass/2configs/monitoring/prometheus-server.nix (limited to 'lass/2configs') 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 ; # { AdminUser = ""; adminPassword = ""} + }; + }; +} -- cgit v1.2.3