infra/modules/grafana/default.nix

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{
config,
lib,
pkgs,
flake,
...
}:
{
age.secrets.grafana-admin-password = {
file = "${flake.self}/secrets/grafana-admin-password.age";
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mode = "440";
owner = "grafana";
};
age.secrets.grafana-smtp-password = {
file = "${flake.self}/secrets/grafana-smtp-password.age";
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mode = "440";
owner = "grafana";
};
age.secrets.grafana-keycloak-client-secret = {
file = "${flake.self}/secrets/grafana-keycloak-client-secret.age";
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mode = "440";
owner = "grafana";
};
environment.etc = {
"grafana-dashboards/node-exporter-full_rev33.json" = {
source = ./grafana-dashboards/node-exporter-full_rev33.json;
group = "grafana";
user = "grafana";
};
"grafana-dashboards/synapse.json" = {
source = ./grafana-dashboards/synapse.json;
group = "grafana";
user = "grafana";
};
"grafana-dashboards/grafana-garage-dashboard-prometheus.json" = {
source = ./grafana-dashboards/grafana-garage-dashboard-prometheus.json;
group = "grafana";
user = "grafana";
};
};
services.caddy.virtualHosts."grafana.${config.pub-solar-os.networking.domain}" = {
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logFormat = lib.mkForce ''
output discard
'';
extraConfig = ''
reverse_proxy :${toString config.services.grafana.settings.server.http_port}
'';
};
services.grafana = {
enable = true;
settings = {
server = {
# Listening Address
http_addr = "127.0.0.1";
# and Port
http_port = 3000;
# Grafana needs to know on which domain and URL it's running
domain = "grafana.${config.pub-solar-os.networking.domain}";
root_url = "https://grafana.${config.pub-solar-os.networking.domain}";
enable_gzip = true;
};
smtp = {
enabled = true;
host = "mail.pub.solar:465";
user = "admins@pub.solar";
password = "\$__file{${config.age.secrets.grafana-smtp-password.path}}";
from_address = "no-reply@pub.solar";
from_name = "grafana.pub.solar";
ehlo_identity = "flora-6.pub.solar";
};
security = {
admin_email = "crew@pub.solar";
admin_password = "\$__file{${config.age.secrets.grafana-admin-password.path}}";
};
"auth.generic_oauth" = {
enabled = true;
name = "pub.solar ID";
allow_sign_up = true;
client_id = "grafana";
client_secret = "\$__file{${config.age.secrets.grafana-keycloak-client-secret.path}}";
scopes = "openid email profile offline_access roles";
email_attribute_path = "email";
login_attribute_path = "preferred_username";
name_attribute_path = "full_name";
auth_url = "https://auth.${config.pub-solar-os.networking.domain}/realms/${config.pub-solar-os.auth.realm}/protocol/openid-connect/auth";
token_url = "https://auth.${config.pub-solar-os.networking.domain}/realms/${config.pub-solar-os.auth.realm}/protocol/openid-connect/token";
api_url = "https://auth.${config.pub-solar-os.networking.domain}/realms/${config.pub-solar-os.auth.realm}/protocol/openid-connect/userinfo";
role_attribute_path = "contains(roles[*], 'admin') && 'GrafanaAdmin' || 'Viewer'";
allow_assign_grafana_admin = true;
};
};
provision = {
enable = true;
datasources = {
settings = {
datasources = [
{
name = "Prometheus";
type = "prometheus";
access = "proxy";
url = "http://127.0.0.1:${toString config.services.prometheus.port}";
isDefault = true;
}
{
name = "Loki";
type = "loki";
access = "proxy";
url = "http://127.0.0.1:${toString config.services.loki.configuration.server.http_listen_port}";
}
];
};
};
dashboards = {
settings = {
providers = [
{
name = "pub.solar Dashboards";
options.path = "/etc/grafana-dashboards";
}
];
};
};
};
};
}