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feat(alcyone/grafana): enable section-level variables

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Assisted-by: pi (gpt-5.6-sol)
This commit is contained in:
Gabriel Fontes
2026-08-10 12:48:25 -03:00
parent a6c9d512f2
commit 331dbb57b6
1 changed files with 162 additions and 141 deletions
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hosts/nixos/alcyone/services/grafana/default.nix
+162 -141
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@@ -1,4 +1,8 @@
{config, outputs, ...}: {
{
config,
outputs,
...
}: {
sops.secrets = {
grafana-gabriel-password = {
sopsFile = ../../secrets.yaml;
@@ -22,6 +26,7 @@
server.http_port = 3000;
users.default_theme = "system";
dashboards.default_home_dashboard_path = "${./dashboards}/hosts.json";
feature_toggles.enable = "dashboardSectionVariables";
security = {
admin_user = "gabriel";
admin_email = "hi@m7.rs";
@@ -42,164 +47,180 @@
};
provision = {
enable = true;
dashboards.settings.providers = [{
options.path = ./dashboards;
}];
dashboards.settings.providers = [
{
options.path = ./dashboards;
}
];
datasources.settings = {
apiVersion = 1;
datasources = [{
name = "Prometheus";
type = "prometheus";
access = "proxy";
url = "https://metrics.m7.rs";
uid = "prometheus-default";
isDefault = true;
}];
datasources = [
{
name = "Prometheus";
type = "prometheus";
access = "proxy";
url = "https://metrics.m7.rs";
uid = "prometheus-default";
isDefault = true;
}
];
};
alerting = {
contactPoints.settings = {
apiVersion = 1;
contactPoints = [{
name = "default";
receivers = [{
uid = "alerts-email";
type = "email";
settings.addresses = "<alerts@m7.rs>";
}];
}];
contactPoints = [
{
name = "default";
receivers = [
{
uid = "alerts-email";
type = "email";
settings.addresses = "<alerts@m7.rs>";
}
];
}
];
};
policies.settings = {
apiVersion = 1;
policies = [{
receiver = "default";
group_wait = "10s"; # Time to wait for others in group before sending (for batching)
group_interval = "1m"; # Time to wait before sending update about changes in the same group
repeat_interval = "4h"; # Time to wait before re-emiting notifications already sent
}];
policies = [
{
receiver = "default";
group_wait = "10s"; # Time to wait for others in group before sending (for batching)
group_interval = "1m"; # Time to wait before sending update about changes in the same group
repeat_interval = "4h"; # Time to wait before re-emiting notifications already sent
}
];
};
rules.settings = {
apiVersion = 1;
groups = [{
name = "default";
folder = "alerts";
interval = "30s"; # Interval to check rules
orgId = 1;
rules = [
{
title = "Low disk";
uid = "low-disk-alert";
notification_settings.receiver = "default";
annotations = {
summary = "{{ $labels.instance }} is low on storage";
description = "{{ $labels.label }} at {{ $labels.instance }} is below 10% capacity.";
};
condition = "B";
execErrState = "KeepLast";
noDataState = "KeepLast";
data = [
{
refId = "A";
datasourceUid = "prometheus-default";
model = {
groups = [
{
name = "default";
folder = "alerts";
interval = "30s"; # Interval to check rules
orgId = 1;
rules = [
{
title = "Low disk";
uid = "low-disk-alert";
notification_settings.receiver = "default";
annotations = {
summary = "{{ $labels.instance }} is low on storage";
description = "{{ $labels.label }} at {{ $labels.instance }} is below 10% capacity.";
};
condition = "B";
execErrState = "KeepLast";
noDataState = "KeepLast";
data = [
{
refId = "A";
intervalMs = 1000;
expr = "sum by (job, instance, uuid) (node_btrfs_used_bytes) / sum by (job, instance, uuid) (node_btrfs_device_size_bytes) * on(uuid) group_left(label) node_btrfs_info";
instant = true;
range = false;
legendFormat = "__auto";
maxDataPoints = 43200;
};
relativeTimeRange = {
from = 600;
to = 0;
};
}
{
refId = "B";
datasourceUid = "__expr__";
model = {
refId = "B";
intervalMs = 1000;
maxDataPoints = 43200;
type = "threshold";
expression = "A";
datasource = {
type = "__expr__";
uid = "__expr__";
datasourceUid = "prometheus-default";
model = {
refId = "A";
intervalMs = 1000;
expr = "sum by (job, instance, uuid) (node_btrfs_used_bytes) / sum by (job, instance, uuid) (node_btrfs_device_size_bytes) * on(uuid) group_left(label) node_btrfs_info";
instant = true;
range = false;
legendFormat = "__auto";
maxDataPoints = 43200;
};
conditions = [{
type = "query";
query.params = ["B"];
evaluator = {
type = "gt";
params = [ 0.9 ];
relativeTimeRange = {
from = 600;
to = 0;
};
}
{
refId = "B";
datasourceUid = "__expr__";
model = {
refId = "B";
intervalMs = 1000;
maxDataPoints = 43200;
type = "threshold";
expression = "A";
datasource = {
type = "__expr__";
uid = "__expr__";
};
operator.type = "and";
reducer.type = "last";
}];
};
}
];
}
{
title = "Service down";
uid = "service-down";
notification_settings.receiver = "default";
annotations = {
summary = "{{ $labels.instance }} down";
description = "{{ $labels.instance }} ({{ $labels.job }}) is not reachable.";
};
condition = "B";
execErrState = "KeepLast";
noDataState = "KeepLast";
for = "1m"; # Higher than 'interval' (30s), to avoid blips generating notifications
data = [
{
refId = "A";
datasourceUid = "prometheus-default";
model = {
conditions = [
{
type = "query";
query.params = ["B"];
evaluator = {
type = "gt";
params = [0.9];
};
operator.type = "and";
reducer.type = "last";
}
];
};
}
];
}
{
title = "Service down";
uid = "service-down";
notification_settings.receiver = "default";
annotations = {
summary = "{{ $labels.instance }} down";
description = "{{ $labels.instance }} ({{ $labels.job }}) is not reachable.";
};
condition = "B";
execErrState = "KeepLast";
noDataState = "KeepLast";
for = "1m"; # Higher than 'interval' (30s), to avoid blips generating notifications
data = [
{
refId = "A";
intervalMs = 1000;
expr = "up{job!=\"hosts\"}"; # Hosts can be down sometimes, but not services
instant = true;
range = false;
legendFormat = "__auto";
maxDataPoints = 43200;
};
relativeTimeRange = {
from = 600;
to = 0;
};
}
{
refId = "B";
datasourceUid = "__expr__";
model = {
refId = "B";
intervalMs = 1000;
maxDataPoints = 43200;
type = "threshold";
expression = "A";
datasource = {
type = "__expr__";
uid = "__expr__";
datasourceUid = "prometheus-default";
model = {
refId = "A";
intervalMs = 1000;
expr = "up{job!=\"hosts\"}"; # Hosts can be down sometimes, but not services
instant = true;
range = false;
legendFormat = "__auto";
maxDataPoints = 43200;
};
conditions = [{
type = "query";
query.params = ["B"];
evaluator = {
type = "ne";
params = [ 1 ];
relativeTimeRange = {
from = 600;
to = 0;
};
}
{
refId = "B";
datasourceUid = "__expr__";
model = {
refId = "B";
intervalMs = 1000;
maxDataPoints = 43200;
type = "threshold";
expression = "A";
datasource = {
type = "__expr__";
uid = "__expr__";
};
operator.type = "and";
reducer.type = "last";
}];
};
}
];
}
];
}];
conditions = [
{
type = "query";
query.params = ["B"];
evaluator = {
type = "ne";
params = [1];
};
operator.type = "and";
reducer.type = "last";
}
];
};
}
];
}
];
}
];
};
};
};