nixos/prometheus-bitcoin-exporter: init

This commit is contained in:
Martin Milata 2020-05-31 22:47:10 +02:00
parent dbb07aba88
commit 6b028bcf35
3 changed files with 101 additions and 0 deletions

View file

@ -25,6 +25,7 @@ let
"artifactory"
"bind"
"bird"
"bitcoin"
"blackbox"
"collectd"
"dnsmasq"

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@ -0,0 +1,82 @@
{ config, lib, pkgs, options }:
with lib;
let
cfg = config.services.prometheus.exporters.bitcoin;
in
{
port = 9332;
extraOpts = {
rpcUser = mkOption {
type = types.str;
default = "bitcoinrpc";
description = ''
RPC user name.
'';
};
rpcPasswordFile = mkOption {
type = types.path;
description = ''
File containing RPC password.
'';
};
rpcScheme = mkOption {
type = types.enum [ "http" "https" ];
default = "http";
description = ''
Whether to connect to bitcoind over http or https.
'';
};
rpcHost = mkOption {
type = types.str;
default = "localhost";
description = ''
RPC host.
'';
};
rpcPort = mkOption {
type = types.port;
default = 8332;
description = ''
RPC port number.
'';
};
refreshSeconds = mkOption {
type = types.ints.unsigned;
default = 300;
description = ''
How often to ask bitcoind for metrics.
'';
};
extraEnv = mkOption {
type = types.attrsOf types.str;
default = {};
description = ''
Extra environment variables for the exporter.
'';
};
};
serviceOpts = {
script = ''
export BITCOIN_RPC_PASSWORD=$(cat ${cfg.rpcPasswordFile})
exec ${pkgs.prometheus-bitcoin-exporter}/bin/bitcoind-monitor.py
'';
environment = {
BITCOIN_RPC_USER = cfg.rpcUser;
BITCOIN_RPC_SCHEME = cfg.rpcScheme;
BITCOIN_RPC_HOST = cfg.rpcHost;
BITCOIN_RPC_PORT = toString cfg.rpcPort;
METRICS_ADDR = cfg.listenAddress;
METRICS_PORT = toString cfg.port;
REFRESH_SECONDS = toString cfg.refreshSeconds;
} // cfg.extraEnv;
};
}

View file

@ -136,6 +136,24 @@ let
'';
};
bitcoin = {
exporterConfig = {
enable = true;
rpcUser = "bitcoinrpc";
rpcPasswordFile = pkgs.writeText "password" "hunter2";
};
metricProvider = {
services.bitcoind.default.enable = true;
services.bitcoind.default.rpc.users.bitcoinrpc.passwordHMAC = "e8fe33f797e698ac258c16c8d7aadfbe$872bdb8f4d787367c26bcfd75e6c23c4f19d44a69f5d1ad329e5adf3f82710f7";
};
exporterTest = ''
wait_for_unit("prometheus-bitcoin-exporter.service")
wait_for_unit("bitcoind-default.service")
wait_for_open_port(9332)
succeed("curl -sSf http://localhost:9332/metrics | grep -q '^bitcoin_blocks '")
'';
};
blackbox = {
exporterConfig = {
enable = true;