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nixos/prometheus: Added federation test case

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Jonathan Davies 2024-06-02 00:12:11 +01:00
parent 87cb2d582e
commit 38495e1ec0
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2 changed files with 214 additions and 0 deletions
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1
nixos/tests/prometheus/default.nix
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@ -4,6 +4,7 @@
}:
{
federation = import ./federation.nix { inherit system pkgs; };
prometheus-pair = import ./prometheus-pair.nix { inherit system pkgs; };
pushgateway = import ./pushgateway.nix { inherit system pkgs; };
remote-write = import ./remote-write.nix { inherit system pkgs; };

213
nixos/tests/prometheus/federation.nix Normal file
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@ -0,0 +1,213 @@
import ../make-test-python.nix ({ lib, pkgs, ... }:
{
name = "prometheus-federation";
nodes = {
global1 = { config, pkgs, ... }: {
environment.systemPackages = [ pkgs.jq ];
networking.firewall.allowedTCPPorts = [ config.services.prometheus.port ];
services.prometheus = {
enable = true;
globalConfig.scrape_interval = "2s";
scrapeConfigs = [
{
job_name = "federate";
honor_labels = true;
metrics_path = "/federate";
params = {
"match[]" = [
"{job=\"node\"}"
"{job=\"prometheus\"}"
];
};
static_configs = [
{
targets = [
"prometheus1:${toString config.services.prometheus.port}"
"prometheus2:${toString config.services.prometheus.port}"
];
}
];
}
{
job_name = "prometheus";
static_configs = [
{
targets = [
"global1:${toString config.services.prometheus.port}"
"global2:${toString config.services.prometheus.port}"
];
}
];
}
];
};
};
global2 = { config, pkgs, ... }: {
environment.systemPackages = [ pkgs.jq ];
networking.firewall.allowedTCPPorts = [ config.services.prometheus.port ];
services.prometheus = {
enable = true;
globalConfig.scrape_interval = "2s";
scrapeConfigs = [
{
job_name = "federate";
honor_labels = true;
metrics_path = "/federate";
params = {
"match[]" = [
"{job=\"node\"}"
"{job=\"prometheus\"}"
];
};
static_configs = [
{
targets = [
"prometheus1:${toString config.services.prometheus.port}"
"prometheus2:${toString config.services.prometheus.port}"
];
}
];
}
{
job_name = "prometheus";
static_configs = [
{
targets = [
"global1:${toString config.services.prometheus.port}"
"global2:${toString config.services.prometheus.port}"
];
}
];
}
];
};
};
prometheus1 = { config, pkgs, ... }: {
environment.systemPackages = [ pkgs.jq ];
networking.firewall.allowedTCPPorts = [ config.services.prometheus.port ];
services.prometheus = {
enable = true;
globalConfig.scrape_interval = "2s";
scrapeConfigs = [
{
job_name = "node";
static_configs = [
{
targets = [
"node1:${toString config.services.prometheus.exporters.node.port}"
];
}
];
}
{
job_name = "prometheus";
static_configs = [
{
targets = [
"prometheus1:${toString config.services.prometheus.port}"
];
}
];
}
];
};
};
prometheus2 = { config, pkgs, ... }: {
environment.systemPackages = [ pkgs.jq ];
networking.firewall.allowedTCPPorts = [ config.services.prometheus.port ];
services.prometheus = {
enable = true;
globalConfig.scrape_interval = "2s";
scrapeConfigs = [
{
job_name = "node";
static_configs = [
{
targets = [
"node2:${toString config.services.prometheus.exporters.node.port}"
];
}
];
}
{
job_name = "prometheus";
static_configs = [
{
targets = [
"prometheus2:${toString config.services.prometheus.port}"
];
}
];
}
];
};
};
node1 = { config, pkgs, ... }: {
services.prometheus.exporters.node = {
enable = true;
openFirewall = true;
};
};
node2 = { config, pkgs, ... }: {
services.prometheus.exporters.node = {
enable = true;
openFirewall = true;
};
};
};
testScript = ''
for machine in node1, node2:
machine.wait_for_unit("prometheus-node-exporter")
machine.wait_for_open_port(9100)
for machine in prometheus1, prometheus2, global1, global2:
machine.wait_for_unit("prometheus")
machine.wait_for_open_port(9090)
# Verify both servers got the same data from the exporter
for machine in prometheus1, prometheus2:
machine.wait_until_succeeds(
"curl -sf 'http://127.0.0.1:9090/api/v1/query?query=count(up\{job=\"node\"\})' | "
+ "jq '.data.result[0].value[1]' | grep '\"1\"'"
)
machine.wait_until_succeeds(
"curl -sf 'http://127.0.0.1:9090/api/v1/query?query=count(prometheus_build_info)' | "
+ "jq '.data.result[0].value[1]' | grep '\"1\"'"
)
for machine in global1, global2:
machine.wait_until_succeeds(
"curl -sf 'http://127.0.0.1:9090/api/v1/query?query=count(up\{job=\"node\"\})' | "
+ "jq '.data.result[0].value[1]' | grep '\"2\"'"
)
machine.wait_until_succeeds(
"curl -sf 'http://127.0.0.1:9090/api/v1/query?query=count(prometheus_build_info)' | "
+ "jq '.data.result[0].value[1]' | grep '\"4\"'"
)
'';
})