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|
{
name = "prometheus-remote-write";
nodes = {
receiver =
{ config, pkgs, ... }:
{
environment.systemPackages = [ pkgs.jq ];
networking.firewall.allowedTCPPorts = [ config.services.prometheus.port ];
services.prometheus = {
enable = true;
globalConfig.scrape_interval = "2s";
extraFlags = [ "--web.enable-remote-write-receiver" ];
};
};
prometheus =
{ config, pkgs, ... }:
{
environment.systemPackages = [ pkgs.jq ];
networking.firewall.allowedTCPPorts = [ config.services.prometheus.port ];
services.prometheus = {
enable = true;
globalConfig.scrape_interval = "2s";
remoteWrite = [ { url = "http://receiver:9090/api/v1/write"; } ];
scrapeConfigs = [
{
job_name = "node";
static_configs = [
{ targets = [ "node:${toString config.services.prometheus.exporters.node.port}" ]; }
];
}
];
};
};
node =
{ config, pkgs, ... }:
{
services.prometheus.exporters.node = {
enable = true;
openFirewall = true;
};
};
};
testScript = ''
node.wait_for_unit("prometheus-node-exporter")
node.wait_for_open_port(9100)
for machine in prometheus, receiver:
machine.wait_for_unit("prometheus")
machine.wait_for_open_port(9090)
# Verify both servers got the same data from the exporter
for machine in prometheus, receiver:
machine.wait_until_succeeds(
"curl -sf 'http://127.0.0.1:9090/api/v1/query?query=node_exporter_build_info\{instance=\"node:9100\"\}' | "
+ "jq '.data.result[0].value[1]' | grep '\"1\"'"
)
'';
}
|
