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import ./make-test-python.nix ({ pkgs, ...} : let
port = 4318;
in {
name = "opentelemetry-collector";
meta = with pkgs.lib.maintainers; {
maintainers = [ tylerjl ];
};
nodes.machine = { ... }: {
networking.firewall.allowedTCPPorts = [ port ];
services.opentelemetry-collector = {
enable = true;
settings = {
exporters.logging.verbosity = "detailed";
receivers.otlp.protocols.http = {};
service = {
pipelines.logs = {
receivers = [ "otlp" ];
exporters = [ "logging" ];
};
};
};
};
virtualisation.forwardPorts = [{
host.port = port;
guest.port = port;
}];
};
extraPythonPackages = p: [
p.requests
p.types-requests
];
# Send a log event through the OTLP pipeline and check for its
# presence in the collector logs.
testScript = /* python */ ''
import requests
import time
from uuid import uuid4
flag = str(uuid4())
machine.wait_for_unit("opentelemetry-collector.service")
machine.wait_for_open_port(${toString port})
event = {
"resourceLogs": [
{
"resource": {"attributes": []},
"scopeLogs": [
{
"logRecords": [
{
"timeUnixNano": str(time.time_ns()),
"severityNumber": 9,
"severityText": "Info",
"name": "logTest",
"body": {
"stringValue": flag
},
"attributes": []
},
]
}
]
}
]
}
response = requests.post("http://localhost:${toString port}/v1/logs", json=event)
assert response.status_code == 200
assert flag in machine.execute("journalctl -u opentelemetry-collector")[-1]
'';
})
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