sokai/mynixos-config
1
1
Fork 0
forked from mirrors_public/oddlama_nix-config
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

feat(monitoring): remove location, add nginx upstream monitoring option

Browse source
This commit is contained in:
oddlama 2024-07-15 17:36:04 +02:00
parent 2024c3bfd5
commit 18b2002c27
No known key found for this signature in database
GPG key ID: 14EFE510775FE39A
26 changed files with 352 additions and 218 deletions
Download patch file Download diff file Expand all files Collapse all files

159
modules/telegraf.nix
View file

@ -21,6 +21,7 @@
optional
optionalAttrs
optionals
toList
types
;
@ -44,16 +45,14 @@ in {
description = "Additional secrets to replace in pre-start. The attr name will be searched and replaced in the config with the value read from the given file.";
};
globalMonitoring = {
enable = mkEnableOption "monitor the global infrastructure from this node.";
availableNetworks = mkOption {
type = types.listOf types.str;
example = ["internet"];
description = ''
The networks that can be reached from this node.
Only global entries with a matching network will be monitored from here.
'';
};
availableMonitoringNetworks = mkOption {
type = types.listOf types.str;
example = ["internet"];
description = ''
Any of the global monitoring definitions which has a network from this list
will automatically be monitored via telegraf. Set this to any networks that
can be reached from this node. This includes `local-<node.name>` by default.
'';
};
influxdb2 = {
@ -87,6 +86,9 @@ in {
};
config = mkIf (!minimal && cfg.enable) {
# Monitor anything that can only be monitored from this node
meta.telegraf.availableMonitoringNetworks = ["local-${config.node.name}"];
assertions = [
{
assertion = !config.boot.isContainer;
@ -185,6 +187,75 @@ in {
};
temp = {};
wireguard = {};
ping = concatLists (flip mapAttrsToList globals.monitoring.ping (
name: pingCfg:
optionals (elem pingCfg.network cfg.availableMonitoringNetworks) (
concatLists (forEach ["hostv4" "hostv6"] (
attr:
optional (pingCfg.${attr} != null) {
method = "native";
urls = [pingCfg.${attr}];
ipv4 = attr == "hostv4";
ipv6 = attr == "hostv6";
tags = {
inherit name;
inherit (pingCfg) network;
ip_version =
if attr == "hostv4"
then "v4"
else "v6";
};
fieldinclude = [
"percent_packet_loss"
"average_response_ms"
];
}
))
)
));
http_response = concatLists (flip mapAttrsToList globals.monitoring.http (
name: httpCfg:
optional (elem httpCfg.network cfg.availableMonitoringNetworks) {
urls = toList httpCfg.url;
method = "GET";
response_status_code = httpCfg.expectedStatus;
response_string_match = mkIf (httpCfg.expectedBodyRegex != null) httpCfg.expectedBodyRegex;
insecure_skip_verify = httpCfg.skipTlsVerification;
follow_redirects = true;
tags = {
inherit name;
inherit (httpCfg) network;
};
}
));
dns_query = concatLists (flip mapAttrsToList globals.monitoring.dns (
name: dnsCfg:
optional (elem dnsCfg.network cfg.availableMonitoringNetworks) {
servers = [dnsCfg.server];
domains = [dnsCfg.domain];
record_type = dnsCfg.record-type;
tags = {
inherit name;
inherit (dnsCfg) network;
};
}
));
net_response = concatLists (flip mapAttrsToList globals.monitoring.tcp (
name: tcpCfg:
optional (elem tcpCfg.network cfg.availableMonitoringNetworks) {
address = "${tcpCfg.host}:${toString tcpCfg.port}";
protocol = "tcp";
tags = {
inherit name;
inherit (tcpCfg) network;
};
fieldexclude = ["result_type" "string_found"];
}
));
}
// optionalAttrs config.services.smartd.enable {
sensors = {};
@ -200,74 +271,6 @@ in {
}
// optionalAttrs (config.networking.wireless.enable || config.networking.wireless.iwd.enable) {
wireless = {};
}
// optionalAttrs cfg.globalMonitoring.enable {
ping = concatLists (flip mapAttrsToList globals.monitoring.ping (
name: pingCfg:
optionals (elem pingCfg.network cfg.globalMonitoring.availableNetworks) (
concatLists (forEach ["hostv4" "hostv6"] (
attr:
optional (pingCfg.${attr} != null) {
method = "native";
urls = [pingCfg.${attr}];
ipv4 = attr == "hostv4";
ipv6 = attr == "hostv6";
tags = {
inherit name;
inherit (pingCfg) location network;
ip_version =
if attr == "hostv4"
then "v4"
else "v6";
};
fieldpass = [
"percent_packet_loss"
"average_response_ms"
];
}
))
)
));
http_response = concatLists (flip mapAttrsToList globals.monitoring.http (
name: httpCfg:
optional (elem httpCfg.network cfg.globalMonitoring.availableNetworks) {
urls = [httpCfg.url];
method = "GET";
response_status_code = httpCfg.expectedStatus;
response_string_match = mkIf (httpCfg.expectedBodyRegex != null) httpCfg.expectedBodyRegex;
tags = {
inherit name;
inherit (httpCfg) location network;
};
}
));
dns_query = concatLists (flip mapAttrsToList globals.monitoring.dns (
name: dnsCfg:
optional (elem dnsCfg.network cfg.globalMonitoring.availableNetworks) {
servers = [dnsCfg.server];
domains = [dnsCfg.domain];
record_type = dnsCfg.record-type;
tags = {
inherit name;
inherit (dnsCfg) location network;
};
}
));
net_response = concatLists (flip mapAttrsToList globals.monitoring.tcp (
name: tcpCfg:
optional (elem tcpCfg.network cfg.globalMonitoring.availableNetworks) {
address = "${tcpCfg.host}:${toString tcpCfg.port}";
protocol = "tcp";
tags = {
inherit name;
inherit (tcpCfg) location network;
};
fieldexclude = ["result_type" "string_found"];
}
));
};
};
};