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Merge remote-tracking branch 'prism/master'

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This commit is contained in:
tv 2019-11-29 16:37:14 +01:00
commit 7920ebebf0
7 changed files with 138 additions and 100 deletions
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18
.gitlab-ci.yml
View File

@ -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:

7
krebs/1systems/puyak/config.nix
View File

@ -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;

10
krebs/1systems/wolf/config.nix
View File

@ -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 ];
}

102
krebs/2configs/shack/prometheus/alert-rules.nix Normal file
View File

@ -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.";
};
}

90
krebs/2configs/shack/prometheus/server.nix
View File

@ -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";

10
krebs/2configs/shack/ssh-keys.nix Normal file
View File

@ -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
];
}

1
krebs/3modules/ci.nix
View File

@ -135,6 +135,7 @@ let
f_${name} = util.BuildFactory()
f_${name}.addStep(steps.Git(
repourl=util.Property('repository', '${head repo.urls}'),
method='clobber',
mode='full',
submodules=True,
))