Merge branch 'master' of http://cgit.gum.r/stockholm

2019-11-29 14:49:30 +01:00 · 2019-11-29 14:49:30 +01:00 · 5f1a526486
commit 5f1a526486
parent b025e28b42 71d782a50a
6 changed files with 137 additions and 100 deletions
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@ -11,13 +11,14 @@ before_script:
  - ssh-keyscan -H 'ssh.git.shackspace.de' >> ~/.ssh/known_hosts
  # import secret key for secrets
  - echo "$secrets_gpg_key" | gpg --import
-wolf deployment test:
+deployment test:
  stage: test
  script:
    - GIT_SSH_COMMAND="ssh -i ~/.ssh/gitlab_deploy.key" git clone git@ssh.git.shackspace.de:rz/secrets.git ~/brain
    - test $(PASSWORD_STORE_DIR=~/brain pass smoke) == 1337
    - git submodule update --init
    - $(nix-build krebs/krops.nix --no-out-link --argstr name wolf --argstr target /tmp -A test)
+    - $(nix-build krebs/krops.nix --no-out-link --argstr name puyak --argstr target /tmp -A test)
 nix-shell test:
  stage: test
  script:
@ -34,7 +35,6 @@ wolf deployment:
    - git clone git@ssh.git.shackspace.de:rz/secrets.git ~/brain
    - git submodule update --init
    - ssh-keyscan -H 'wolf.shack' >> ~/.ssh/known_hosts
-    # TODO, hostname wolf cannot be resolved
    - $(nix-build krebs/krops.nix --no-out-link --argstr name wolf --argstr target wolf.shack -A deploy)
  only:
    changes:
@ -42,6 +42,20 @@ wolf deployment:
      - krebs/**/*
      - lib/**/*
      - .gitmodules
+puyak deployment:
+  stage: deploy
+  script:
+    - cp ~/.ssh/gitlab_deploy.key ~/.ssh/id_rsa
+    - git clone git@ssh.git.shackspace.de:rz/secrets.git ~/brain
+    - git submodule update --init
+    - ssh-keyscan -H 'puyak.shack' >> ~/.ssh/known_hosts
+    - $(nix-build krebs/krops.nix --no-out-link --argstr name puyak --argstr target puyak.shack -A deploy)
+  only:
+    changes:
+      - .gitlab-ci.yml
+      - krebs/**/*
+      - lib/**/*
+      - .gitmodules
 nur-packages makefu:
  stage: deploy
  script:
--- a/krebs/1systems/puyak/config.nix
+++ b/krebs/1systems/puyak/config.nix
@ -13,6 +13,7 @@
    <stockholm/krebs/2configs/ircd.nix>
    <stockholm/krebs/2configs/news.nix>
    <stockholm/krebs/2configs/news-spam.nix>
+    <stockholm/krebs/2configs/shack/ssh-keys.nix>
    <stockholm/krebs/2configs/shack/prometheus/node.nix>
    <stockholm/krebs/2configs/shack/prometheus/server.nix>
    <stockholm/krebs/2configs/shack/prometheus/unifi.nix>
@ -81,12 +82,6 @@
    echo level disengaged > /proc/acpi/ibm/fan
  '';

-  # to access vorstand vm
-  users.users.root.openssh.authorizedKeys.keys = [
-    config.krebs.users.ulrich.pubkey
-    config.krebs.users.raute.pubkey
-  ];
-
  users.users.joerg = {
    openssh.authorizedKeys.keys = [ config.krebs.users.Mic92.pubkey ];
    isNormalUser = true;
--- a/krebs/1systems/wolf/config.nix
+++ b/krebs/1systems/wolf/config.nix
@ -16,6 +16,7 @@ in

    # handle the worlddomination map via coap
    <stockholm/krebs/2configs/shack/worlddomination.nix>
+    <stockholm/krebs/2configs/shack/ssh-keys.nix>

    # drivedroid.shack for shackphone
    <stockholm/krebs/2configs/shack/drivedroid.nix>
@ -117,14 +118,6 @@ in

  fileSystems."/" = { device = "/dev/disk/by-label/nixos"; fsType = "ext4"; };

-  users.extraUsers.root.openssh.authorizedKeys.keys = [
-    config.krebs.users."0x4A6F".pubkey
-    config.krebs.users.ulrich.pubkey
-    config.krebs.users.raute.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}"
  '';
@ -137,6 +130,7 @@ in
    enable = true;
    wideArea = false;
  };
+
  environment.systemPackages = [ pkgs.avahi ];

 }
--- a/krebs/2configs/shack/prometheus/alert-rules.nix
+++ b/krebs/2configs/shack/prometheus/alert-rules.nix
@ -0,0 +1,102 @@
+{ lib }:
+with lib;
+
+let
+  deviceFilter = ''device!="ramfs",device!="rpc_pipefs",device!="lxcfs",device!="nsfs",device!="borgfs"'';
+in mapAttrsToList (name: opts: {
+  alert = name;
+  expr = opts.condition;
+  for = opts.time or "2m";
+  labels = if (opts.page or true) then { severity = "page"; } else {};
+  annotations = {
+    summary = opts.summary;
+    description = opts.description;
+  };
+}) {
+  node_down = {
+    condition = ''up{job="node"} == 0'';
+    summary = "{{$labels.alias}}: Node is down.";
+    description = "{{$labels.alias}} has been down for more than 2 minutes.";
+  };
+  node_systemd_service_failed = {
+    condition = ''node_systemd_unit_state{state="failed"} == 1'';
+    summary = "{{$labels.alias}}: Service {{$labels.name}} failed to start.";
+    description = "{{$labels.alias}} failed to (re)start service {{$labels.name}}.";
+  };
+  node_filesystem_full_80percent = {
+    condition = ''sort(node_filesystem_free_bytes{${deviceFilter}} < node_filesystem_size_bytes{${deviceFilter}} * 0.2) / 1024^3'';
+    time = "10m";
+    summary = "{{$labels.alias}}: Filesystem is running out of space soon.";
+    description = "{{$labels.alias}} device {{$labels.device}} on {{$labels.mountpoint}} got less than 20% space left on its filesystem.";
+  };
+  node_filesystem_full_in_7d = {
+    condition = ''predict_linear(node_filesystem_free_bytes{${deviceFilter}}[2d], 7*24*3600) <= 0'';
+    time = "1h";
+    summary = "{{$labels.alias}}: Filesystem is running out of space in 7 days.";
+    description = "{{$labels.alias}} device {{$labels.device}} on {{$labels.mountpoint}} is running out of space of in approx. 7 days";
+  };
+  node_filesystem_full_in_30d = {
+    condition = ''predict_linear(node_filesystem_free_bytes{${deviceFilter}}[30d], 30*24*3600) <= 0'';
+    time = "1h";
+    summary = "{{$labels.alias}}: Filesystem is running out of space in 30 days.";
+    description = "{{$labels.alias}} device {{$labels.device}} on {{$labels.mountpoint}} is running out of space of in approx. 30 days";
+  };
+  node_filedescriptors_full_in_3h = {
+    condition = ''predict_linear(node_filefd_allocated[3h], 3*3600) >= node_filefd_maximum'';
+    time = "20m";
+    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";
+  };
+  node_filedescriptors_full_in_7d = {
+    condition = ''predict_linear(node_filefd_allocated[7d], 7*24*3600) >= node_filefd_maximum'';
+    time = "1h";
+    summary = "{{$labels.alias}} is running out of available file descriptors in 7 days.";
+    description = "{{$labels.alias}} is running out of available file descriptors in approx. 7 days";
+  };
+  node_load15 = {
+    condition = ''node_load15 / on(alias) count(node_cpu_seconds_total{mode="system"}) by (alias) >= 1.0'';
+    time = "10m";
+    summary = "{{$labels.alias}}: Running on high load: {{$value}}";
+    description = "{{$labels.alias}} is running with load15 > 1 for at least 5 minutes: {{$value}}";
+  };
+  node_ram_using_90percent = {
+    condition =  "node_memory_MemFree_bytes + node_memory_Buffers_bytes + node_memory_Cached_bytes < node_memory_MemTotal_bytes * 0.1";
+    time = "1h";
+    summary = "{{$labels.alias}}: Using lots of RAM.";
+    description = "{{$labels.alias}} is using at least 90% of its RAM for at least 1 hour.";
+  };
+  node_swap_using_30percent = {
+    condition = "node_memory_SwapTotal_bytes - (node_memory_SwapFree_bytes + node_memory_SwapCached_bytes) > node_memory_SwapTotal_bytes * 0.3";
+    time = "30m";
+    summary = "{{$labels.alias}}: Using more than 30% of its swap.";
+    description = "{{$labels.alias}} is using 30% of its swap space for at least 30 minutes.";
+  };
+  node_visible_confluence_space = {
+    condition = "node_visible_confluence_space != 0";
+    summary = "crowd prometheus cann see the {{$labels.space_name}} confluence space!";
+    description = "crowd user `prometheus` can see the `{{$labels.space_name}}` confluence space.";
+  };
+  node_hwmon_temp = {
+    condition = "node_hwmon_temp_celsius > node_hwmon_temp_crit_celsius*0.9 OR node_hwmon_temp_celsius > node_hwmon_temp_max_celsius*0.95";
+    time = "5m";
+    summary = "{{$labels.alias}}: Sensor {{$labels.sensor}}/{{$labels.chip}} temp is high: {{$value}} ";
+    description = "{{$labels.alias}} reports hwmon sensor {{$labels.sensor}}/{{$labels.chip}} temperature value is nearly critical: {{$value}}";
+  };
+  node_conntrack_limit = {
+    condition  = "node_nf_conntrack_entries_limit - node_nf_conntrack_entries < 1000";
+    time = "5m";
+    summary = "{{$labels.alias}}: Number of tracked connections high";
+    description = "{{$labels.alias}} has only {{$value}} free slots for connection tracking available.";
+  };
+  node_reboot = {
+    condition = "time() - node_boot_time_seconds < 300";
+    summary = "{{$labels.alias}}: Reboot";
+    description = "{{$labels.alias}} just rebooted.";
+  };
+  node_uptime = {
+    condition = "time() - node_boot_time_seconds > 2592000";
+    page = false;
+    summary = "{{$labels.alias}}: Uptime monster";
+    description = "{{$labels.alias}} has been up for more than 30 days.";
+  };
+}
--- a/krebs/2configs/shack/prometheus/server.nix
+++ b/krebs/2configs/shack/prometheus/server.nix
@ -28,90 +28,12 @@
        "-storage.local.index-cache-size.label-name-to-label-values 2097152"
        "-storage.local.index-cache-size.label-pair-to-fingerprints 41943040"
      ];
-      rules = [
-        ''
-          ALERT node_down
-          IF up == 0
-          FOR 5m
-          LABELS {
-            severity="page"
-          }
-          ANNOTATIONS {
-            summary = "{{$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.",
-          }
-        ''
-      ];
+      ruleFiles = lib.singleton (pkgs.writeText "prometheus-rules.yml" (builtins.toJSON {
+            groups = lib.singleton {
+              name = "mf-alerting-rules";
+              rules = import ./alert-rules.nix { inherit lib; };
+            };
+          }));
      scrapeConfigs = [
        {
          job_name = "node";
--- a/krebs/2configs/shack/ssh-keys.nix
+++ b/krebs/2configs/shack/ssh-keys.nix
@ -0,0 +1,10 @@
+{ config, ... }:
+{
+  users.users.root.openssh.authorizedKeys.keys = [
+    config.krebs.users."0x4A6F".pubkey
+    config.krebs.users.ulrich.pubkey
+    config.krebs.users.raute.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
+  ];
+}