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add grafana loki promtail for monitoring

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0xTux
2024-07-29 00:27:55 +05:30
parent ce75d3e6aa
commit f6ef05a057
4 changed files with 166 additions and 0 deletions
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46
modules/nixos/monitoring/grafana.nix Normal file
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{
lib,
username,
...
}: {
services = {
grafana = {
enable = true;
settings = {
server.http_port = 8888;
security = {
admin_user = "${username}";
admin_email = "0xtux@pm.me";
};
};
};
nginx = {
enable = lib.mkForce true;
virtualHosts = {
"grafana.0xtux.com" = {
forceSSL = true;
enableACME = true;
locations = {
"/" = {
proxyPass = "http://localhost:8888";
extraConfig = ''
proxy_set_header Host $host;
'';
};
"/api/live/" = {
proxyPass = "http://localhost:8888";
extraConfig = ''
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection $connection_upgrade;
proxy_set_header Host $host;
'';
};
};
};
};
};
};
}

77
modules/nixos/monitoring/loki.nix Normal file
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{lib, ...}: {
services = {
loki = {
enable = true;
configuration = {
auth_enabled = false;
server = {
http_listen_port = 3100;
};
common = {
ring = {
instance_addr = "127.0.0.1";
kvstore = {
store = "inmemory";
};
};
replication_factor = 1;
path_prefix = "/tmp/loki";
};
schema_config = {
configs = [
{
from = "2020-05-15";
store = "tsdb";
object_store = "filesystem";
schema = "v13";
index = {
prefix = "index_";
period = "24h";
};
}
];
};
storage_config = {
filesystem = {
directory = "/tmp/loki/chunks";
};
};
};
};
nginx = {
enable = lib.mkForce true;
virtualHosts = {
"loki.0xtux.com" = {
forceSSL = true;
enableACME = true;
locations = {
"/" = {
proxyPass = "http://localhost:3100";
extraConfig = ''
proxy_http_version 1.1;
proxy_read_timeout 1800s;
proxy_connect_timeout 1600s;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection $connection_upgrade;
proxy_set_header Connection "Keep-Alive";
proxy_set_header Proxy-Connection "Keep-Alive";
proxy_redirect off;
'';
};
"/ready" = {
proxyPass = "http://localhost:3100";
extraConfig = ''
proxy_http_version 1.1;
proxy_set_header Connection "Keep-Alive";
proxy_set_header Proxy-Connection "Keep-Alive";
proxy_redirect off;
'';
};
};
};
};
};
};
}

40
modules/nixos/monitoring/promtail.nix Normal file
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{...}: {
services = {
promtail = {
enable = true;
configuration = {
server = {
http_listen_port = 9080;
grpc_listen_port = 0;
};
positions = {
filename = "/var/lib/promtail/positions.yaml";
};
clients = [
{
url = "https://loki.0xtux.com/loki/api/v1/push";
}
];
scrape_configs = [
{
job_name = "journal";
journal = {
max_age = "12h";
labels = {
job = "systemd-journal";
};
};
relabel_configs = [
{
source_labels = [
"__journal__systemd_unit"
];
target_label = "unit";
}
];
}
];
};
};
};
}