Merge remote-tracking branch 'lass/master'

3 files changed, 0 insertions, 390 deletions

diff --git a/lass/2configs/monitoring/alert-rules.nix b/lass/2configs/monitoring/alert-rules.nix
deleted file mode 100644
index eae2569fb..000000000
--- a/lass/2configs/monitoring/alert-rules.nix
+++ /dev/null
@@ -1,208 +0,0 @@
-# inspiration from https://github.com/Mic92/dotfiles/blob/master/nixos/eva/modules/prometheus/alert-rules.nix
-{ lib }:
-
-lib.mapAttrsToList
-  (name: opts: {
-    alert = name;
-    expr = opts.condition;
-    for = opts.time or "2m";
-    labels = { };
-    annotations.description = opts.description;
-  })
-  ({
-    prometheus_too_many_restarts = {
-      condition = ''changes(process_start_time_seconds{job=~"prometheus|pushgateway|alertmanager|telegraf"}[15m]) > 2'';
-      description = "Prometheus has restarted more than twice in the last 15 minutes. It might be crashlooping.";
-    };
-
-    alert_manager_config_not_synced = {
-      condition = ''count(count_values("config_hash", alertmanager_config_hash)) > 1'';
-      description = "Configurations of AlertManager cluster instances are out of sync.";
-    };
-
-    prometheus_not_connected_to_alertmanager = {
-      condition = "prometheus_notifications_alertmanagers_discovered < 1";
-      description = "Prometheus cannot connect the alertmanager\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}";
-    };
-
-    prometheus_rule_evaluation_failures = {
-      condition = "increase(prometheus_rule_evaluation_failures_total[3m]) > 0";
-      description = "Prometheus encountered {{ $value }} rule evaluation failures, leading to potentially ignored alerts.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}";
-    };
-
-    prometheus_template_expansion_failures = {
-      condition = "increase(prometheus_template_text_expansion_failures_total[3m]) > 0";
-      time = "0m";
-      description = "Prometheus encountered {{ $value }} template text expansion failures\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}";
-    };
-
-    promtail_request_errors = {
-      condition = ''100 * sum(rate(promtail_request_duration_seconds_count{status_code=~"5..|failed"}[1m])) by (namespace, job, route, instance) / sum(rate(promtail_request_duration_seconds_count[1m])) by (namespace, job, route, instance) > 10'';
-      time = "15m";
-      description = ''{{ $labels.job }} {{ $labels.route }} is experiencing {{ printf "%.2f" $value }}% errors.'';
-    };
-
-    promtail_file_lagging = {
-      condition = ''abs(promtail_file_bytes_total - promtail_read_bytes_total) > 1e6'';
-      time = "15m";
-      description = ''{{ $labels.instance }} {{ $labels.job }} {{ $labels.path }} has been lagging by more than 1MB for more than 15m.'';
-    };
-
-    filesystem_full_80percent = {
-      condition = ''disk_used_percent{mode!="ro"} >= 95'';
-      time = "10m";
-      description = "{{$labels.instance}} device {{$labels.device}} on {{$labels.path}} got less than 20% space left on its filesystem.";
-    };
-
-    filesystem_full_krebs = {
-      condition = ''disk_used_percent{mode!="ro", org="krebs"} >= 95'';
-      time = "10m";
-      description = "{{$labels.instance}} device {{$labels.device}} on {{$labels.path}} got less than 5% space left on its filesystem.";
-    };
-
-    filesystem_inodes_full = {
-      condition = ''disk_inodes_free / disk_inodes_total < 0.10'';
-      time = "10m";
-      description = "{{$labels.instance}} device {{$labels.device}} on {{$labels.path}} got less than 10% inodes left on its filesystem.";
-    };
-
-    daily_task_not_run = {
-      # give 6 hours grace period
-      condition = ''time() - task_last_run{state="ok",frequency="daily"} > (24 + 6) * 60 * 60'';
-      description = "{{$labels.host}}: {{$labels.name}} was not run in the last 24h";
-    };
-
-    daily_task_failed = {
-      condition = ''task_last_run{state="fail"}'';
-      description = "{{$labels.host}}: {{$labels.name}} failed to run";
-    };
-
-    swap_using_30percent = {
-      condition = "mem_swap_total - (mem_swap_cached + mem_swap_free) > mem_swap_total * 0.3";
-      time = "30m";
-      description = "{{$labels.host}} is using 30% of its swap space for at least 30 minutes.";
-    };
-
-    systemd_service_failed = {
-      condition = ''systemd_units_active_code{name!~"nixpkgs-update-.*.service"} == 3'';
-      description = "{{$labels.host}} failed to (re)start service {{$labels.name}}.";
-    };
-
-    service_not_running = {
-      condition = ''systemd_units_active_code{name=~"teamspeak3-server.service|tt-rss.service", sub!="running"}'';
-      description = "{{$labels.host}} should have a running {{$labels.name}}.";
-    };
-
-    nfs_export_not_present = {
-      condition = "nfs_export_present == 0";
-      time = "1h";
-      description = "{{$labels.host}} cannot reach nfs export [{{$labels.server}}]:{{$labels.path}}";
-    };
-
-    ram_using_90percent = {
-      condition = "mem_buffered + mem_free + mem_cached < mem_total * 0.1";
-      time = "1h";
-      description = "{{$labels.host}} is using at least 90% of its RAM for at least 1 hour.";
-    };
-    load15 = {
-      condition = ''system_load15 / system_n_cpus{org!="nix-community"} >= 2.0'';
-      time = "10m";
-      description = "{{$labels.host}} is running with load15 > 1 for at least 5 minutes: {{$value}}";
-    };
-    reboot = {
-      condition = "system_uptime < 300";
-      description = "{{$labels.host}} just rebooted.";
-    };
-    uptime = {
-      # too scared to upgrade matchbox
-      condition = ''system_uptime {host!~"^(matchbox|grandalf)$"} > 2592000'';
-      description = "Uptime monster: {{$labels.host}} has been up for more than 30 days.";
-    };
-    telegraf_down = {
-      condition = ''min(up{job=~"telegraf",type!='mobile'}) by (source, job, instance, org) == 0'';
-      time = "3m";
-      description = "{{$labels.instance}}: {{$labels.job}} telegraf exporter from {{$labels.source}} is down.";
-    };
-    ping = {
-      condition = "ping_result_code{type!='mobile'} != 0";
-      description = "{{$labels.url}}: ping from {{$labels.instance}} has failed!";
-    };
-    ping_high_latency = {
-      condition = "ping_average_response_ms{type!='mobile'} > 5000";
-      description = "{{$labels.instance}}: ping probe from {{$labels.source}} is encountering high latency!";
-    };
-    http = {
-      condition = "http_response_result_code != 0";
-      description = "{{$labels.server}} : http request failed from {{$labels.instance}}: {{$labels.result}}!";
-    };
-    http_match_failed = {
-      condition = "http_response_response_string_match == 0";
-      description = "{{$labels.server}} : http body not as expected; status code: {{$labels.status_code}}!";
-    };
-    dns_query = {
-      condition = "dns_query_result_code != 0";
-      description = "{{$labels.domain}} : could retrieve A record {{$labels.instance}} from server {{$labels.server}}: {{$labels.result}}!";
-    };
-    secure_dns_query = {
-      condition = "secure_dns_state != 0";
-      description = "{{$labels.domain}} : could retrieve A record {{$labels.instance}} from server {{$labels.server}}: {{$labels.result}} for protocol {{$labels.protocol}}!";
-    };
-    connection_failed = {
-      condition = "net_response_result_code != 0";
-      description = "{{$labels.server}}: connection to {{$labels.port}}({{$labels.protocol}}) failed from {{$labels.instance}}";
-    };
-    healthchecks = {
-      condition = "hc_check_up == 0";
-      description = "{{$labels.instance}}: healtcheck {{$labels.job}} fails!";
-    };
-    cert_expiry = {
-      condition = "x509_cert_expiry < 7*24*3600";
-      description = "{{$labels.instance}}: The TLS certificate from {{$labels.source}} will expire in less than 7 days: {{$value}}s";
-    };
-
-    postfix_queue_length = {
-      condition = "avg_over_time(postfix_queue_length[1h]) > 10";
-      description = "{{$labels.instance}}: postfix mail queue has undelivered {{$value}} items";
-    };
-
-    zfs_errors = {
-      condition = "zfs_arcstats_l2_io_error + zfs_dmu_tx_error + zfs_arcstats_l2_writes_error > 0";
-      description = "{{$labels.instance}} reports: {{$value}} ZFS IO errors.";
-    };
-
-    # ignore devices that disabled S.M.A.R.T (example if attached via USB)
-    smart_errors = {
-      condition = ''smart_device_health_ok{enabled!="Disabled"} != 1'';
-      description = "{{$labels.instance}}: S.M.A.R.T reports: {{$labels.device}} ({{$labels.model}}) has errors.";
-    };
-
-    oom_kills = {
-      condition = "increase(kernel_vmstat_oom_kill[5m]) > 0";
-      description = "{{$labels.instance}}: OOM kill detected";
-    };
-
-    unusual_disk_read_latency = {
-      condition = "rate(diskio_read_time[1m]) / rate(diskio_reads[1m]) > 0.1 and rate(diskio_reads[1m]) > 0";
-      description = "{{$labels.instance}}: Disk latency is growing (read operations > 100ms)\n";
-    };
-
-    unusual_disk_write_latency = {
-      condition = "rate(diskio_write_time[1m]) / rate(diskio_write[1m]) > 0.1 and rate(diskio_write[1m]) > 0";
-      description = "{{$labels.instance}}: Disk latency is growing (write operations > 100ms)\n";
-    };
-
-    host_memory_under_memory_pressure = {
-      condition = "rate(node_vmstat_pgmajfault[1m]) > 1000";
-      description = "{{$labels.instance}}: The node is under heavy memory pressure. High rate of major page faults: {{$value}}";
-    };
-
-    ext4_errors = {
-      condition = "ext4_errors_value > 0";
-      description = "{{$labels.instance}}: ext4 has reported {{$value}} I/O errors: check /sys/fs/ext4/*/errors_count";
-    };
-
-    alerts_silences_changed = {
-      condition = ''abs(delta(alertmanager_silences{state="active"}[1h])) >= 1'';
-      description = "alertmanager: number of active silences has changed: {{$value}}";
-    };
-  })
diff --git a/lass/2configs/monitoring/prometheus.nix b/lass/2configs/monitoring/prometheus.nix
deleted file mode 100644
index ba32c62a7..000000000
--- a/lass/2configs/monitoring/prometheus.nix
+++ /dev/null
@@ -1,110 +0,0 @@
-{ config, lib, pkgs, ... }:
-{
-  #prometheus
-  krebs.iptables = {
-    enable = true;
-    tables.filter.INPUT.rules = [
-      { predicate = "-i retiolum -p tcp --dport 80"; target = "ACCEPT"; } # nginx
-      # { predicate = "-i retiolum -p tcp --dport 3012"; target = "ACCEPT"; } # grafana
-      # { predicate = "-i retiolum -p tcp --dport 9093"; target = "ACCEPT"; } # alertmanager
-      # { predicate = "-i retiolum -p tcp --dport 9223"; target = "ACCEPT"; } # alertmanager
-    ];
-  };
-
-  services.nginx = {
-    enable = true;
-    virtualHosts = {
-      "prometheus.lass.r" = {
-        locations."/".proxyPass = "http://localhost:9090";
-      };
-      "alert.lass.r" = {
-        locations."/".proxyPass = "http://localhost:9093";
-      };
-      "grafana.lass.r" = {
-        locations."/".proxyPass = "http://localhost:3012";
-      };
-    };
-  };
-
-  services.grafana = {
-    enable = true;
-    addr = "0.0.0.0";
-    port = 3012;
-    auth.anonymous = {
-      enable = true;
-      org_role = "Admin";
-    };
-  };
-  services.prometheus = {
-    enable = true;
-    ruleFiles = [
-      (pkgs.writeText "prometheus-rules.yml" (builtins.toJSON {
-        groups = [{
-          name = "alerting-rules";
-          rules = import ./alert-rules.nix { inherit lib; };
-        }];
-      }))
-    ];
-    scrapeConfigs = [
-      {
-        job_name = "telegraf";
-        scrape_interval = "60s";
-        metrics_path = "/metrics";
-        static_configs = [
-          {
-            targets = [
-              "prism.r:9273"
-              "dishfire.r:9273"
-              "yellow.r:9273"
-            ];
-          }
-        ];
-      }
-    ];
-    alertmanagers = [
-      { scheme = "http";
-        path_prefix = "/";
-        static_configs = [ { targets = [ "localhost:9093" ]; } ];
-      }
-    ];
-    alertmanager = {
-      enable = true;
-      webExternalUrl = "https://alert.lass.r";
-      listenAddress = "[::1]";
-      configuration = {
-        global = {
-          # The smarthost and SMTP sender used for mail notifications.
-          smtp_smarthost = "localhost:587";
-          smtp_from = "alertmanager@alert.lass.r";
-          # smtp_auth_username = "alertmanager@thalheim.io";
-          # smtp_auth_password = "$SMTP_PASSWORD";
-        };
-        route = {
-          receiver = "default";
-          routes = [
-            {
-              group_by = [ "host" ];
-              group_wait = "30s";
-              group_interval = "2m";
-              repeat_interval = "2h";
-              receiver = "all";
-            }
-          ];
-        };
-        receivers = [
-          {
-            name = "all";
-            webhook_configs = [{
-              url = "http://127.0.0.1:9223/";
-              max_alerts = 5;
-            }];
-          }
-          {
-            name = "default";
-          }
-        ];
-      };
-    };
-  };
-
-}
diff --git a/lass/2configs/monitoring/telegraf.nix b/lass/2configs/monitoring/telegraf.nix
deleted file mode 100644
index 5258b87ed..000000000
--- a/lass/2configs/monitoring/telegraf.nix
+++ /dev/null
@@ -1,72 +0,0 @@
-{ config, lib, pkgs, ... }:
-let
-  isVM = lib.any (mod: mod == "xen-blkfront" || mod == "virtio_console") config.boot.initrd.kernelModules;
-in {
-
-  krebs.iptables.tables.filter.INPUT.rules = [
-    { predicate = "-i retiolum -p tcp --dport 9273"; target = "ACCEPT"; }
-  ];
-
-  systemd.services.telegraf.path = [ pkgs.nvme-cli ];
-
-  services.telegraf = {
-    enable = true;
-    extraConfig = {
-      agent.interval = "60s";
-      inputs = {
-        http_response = [
-          { urls = [
-              "http://localhost:8080/about/health/"
-          ]; }
-        ];
-        prometheus.metric_version = 2;
-        kernel_vmstat = { };
-        # smart = lib.mkIf (!isVM) {
-        #   path = pkgs.writeShellScript "smartctl" ''
-        #     exec /run/wrappers/bin/sudo ${pkgs.smartmontools}/bin/smartctl "$@"
-        #   '';
-        # };
-        system = { };
-        mem = { };
-        file = [{
-          data_format = "influx";
-          file_tag = "name";
-          files = [ "/var/log/telegraf/*" ];
-        }] ++ lib.optional (lib.any (fs: fs == "ext4") config.boot.supportedFilesystems) {
-          name_override = "ext4_errors";
-          files = [ "/sys/fs/ext4/*/errors_count" ];
-          data_format = "value";
-        };
-        exec = lib.optionalAttrs (lib.any (fs: fs == "zfs") config.boot.supportedFilesystems) {
-          ## Commands array
-          commands = [
-            (pkgs.writeScript "zpool-health" ''
-              #!${pkgs.gawk}/bin/awk -f
-              BEGIN {
-                while ("${pkgs.zfs}/bin/zpool status" | getline) {
-                  if ($1 ~ /pool:/) { printf "zpool_status,name=%s ", $2 }
-                  if ($1 ~ /state:/) { printf " state=\"%s\",", $2 }
-                  if ($1 ~ /errors:/) {
-                    if (index($2, "No")) printf "errors=0i\n"; else printf "errors=%di\n", $2
-                  }
-                }
-              }
-            '')
-          ];
-          data_format = "influx";
-        };
-        systemd_units = { };
-        swap = { };
-        disk.tagdrop = {
-          fstype = [ "tmpfs" "ramfs" "devtmpfs" "devfs" "iso9660" "overlay" "aufs" "squashfs" ];
-          device = [ "rpc_pipefs" "lxcfs" "nsfs" "borgfs" ];
-        };
-        diskio = { };
-      };
-      outputs.prometheus_client = {
-        listen = ":9273";
-        metric_version = 2;
-      };
-    };
-  };
-}