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nixos/prometheus: Added simple two Prometheus server testcase

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Jonathan Davies 2024-06-02 00:06:14 +01:00
parent d276f0573b
commit d6296eceaf
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3 changed files with 96 additions and 0 deletions
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1
nixos/tests/all-tests.nix
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@ -765,6 +765,7 @@ in {
printing-service = handleTest ./printing.nix { socket = false; };
private-gpt = handleTest ./private-gpt.nix {};
privoxy = handleTest ./privoxy.nix {};
prometheus = handleTest ./prometheus {};
prometheus-exporters = handleTest ./prometheus-exporters.nix {};
prosody = handleTest ./xmpp/prosody.nix {};
prosody-mysql = handleTest ./xmpp/prosody-mysql.nix {};

8
nixos/tests/prometheus/default.nix Normal file
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@ -0,0 +1,8 @@
{ system ? builtins.currentSystem
, config ? { }
, pkgs ? import ../../.. { inherit system config; }
}:
{
prometheus-pair = import ./prometheus-pair.nix { inherit system pkgs; };
}

87
nixos/tests/prometheus/prometheus-pair.nix Normal file
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@ -0,0 +1,87 @@
import ../make-test-python.nix ({ lib, pkgs, ... }:
{
name = "prometheus-pair";
nodes = {
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 = "prometheus";
static_configs = [
{
targets = [
"prometheus1:${toString config.services.prometheus.port}"
"prometheus2:${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 = "prometheus";
static_configs = [
{
targets = [
"prometheus1:${toString config.services.prometheus.port}"
"prometheus2:${toString config.services.prometheus.port}"
];
}
];
}
];
};
};
};
testScript = ''
for machine in prometheus1, prometheus2:
machine.wait_for_unit("prometheus")
machine.wait_for_open_port(9090)
machine.wait_until_succeeds("journalctl -o cat -u prometheus.service | grep 'version=${pkgs.prometheus.version}'")
machine.wait_until_succeeds("curl -sSf http://localhost:9090/-/healthy")
# Prometheii ready - run some queries
for machine in prometheus1, prometheus2:
machine.wait_until_succeeds(
"curl -sf 'http://127.0.0.1:9090/api/v1/query?query=prometheus_build_info\{instance=\"prometheus1:9090\",version=\"${pkgs.prometheus.version}\"\}' | "
+ "jq '.data.result[0].value[1]' | grep '\"1\"'"
)
machine.wait_until_succeeds(
"curl -sf 'http://127.0.0.1:9090/api/v1/query?query=prometheus_build_info\{instance=\"prometheus1:9090\"\}' | "
+ "jq '.data.result[0].value[1]' | grep '\"1\"'"
)
machine.wait_until_succeeds(
"curl -sf 'http://127.0.0.1:9090/api/v1/query?query=sum(prometheus_build_info)%20by%20(version)' | "
+ "jq '.data.result[0].metric.version' | grep '\"${pkgs.prometheus.version}\"'"
)
machine.wait_until_succeeds(
"curl -sf 'http://127.0.0.1:9090/api/v1/query?query=sum(prometheus_build_info)%20by%20(version)' | "
+ "jq '.data.result[0].value[1]' | grep '\"2\"'"
)
prometheus1.log(prometheus1.succeed("systemd-analyze security prometheus.service | grep -v '✓'"))
'';
})