wehub-resource-sync
71 lines
2.4 KiB
Python
71 lines
2.4 KiB
Python
import subprocess
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import sys
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import time
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import pytest
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from click.testing import CliRunner
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from ray.dashboard.consts import PROMETHEUS_CONFIG_INPUT_PATH
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from ray.dashboard.modules.metrics import install_and_start_prometheus
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from ray.dashboard.modules.metrics.templates import PROMETHEUS_YML_TEMPLATE
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from ray.scripts.scripts import metrics_group
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@pytest.mark.parametrize(
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"os_type,architecture",
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[
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("linux", "amd64"),
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("linux", "arm64"),
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("darwin", "amd64"),
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("darwin", "arm64"),
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("windows", "amd64"),
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("windows", "arm64"),
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],
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)
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def test_download_prometheus(os_type, architecture, monkeypatch):
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# set TEST_MODE_ENV_VAR to True to use requests.head instead of requests.get.
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# This will make the download faster. We just want to make sure the URL
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# exists.
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monkeypatch.setenv(install_and_start_prometheus.TEST_MODE_ENV_VAR, "True")
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downloaded, _ = install_and_start_prometheus.download_prometheus(
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os_type, architecture
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)
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assert downloaded
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def test_e2e(capsys):
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install_and_start_prometheus.main()
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captured = capsys.readouterr()
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assert "Prometheus is running" in captured.out
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# Find the Prometheus process and kill it.
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# Find the PID from the output: "To stop Prometheus, use the command: 'kill 22790'"
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pid = int(captured.out.split("kill ")[1].split("'")[0])
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subprocess.run(["kill", str(pid)])
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def test_shutdown_prometheus():
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install_and_start_prometheus.main()
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runner = CliRunner()
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# Sleep for a few seconds to make sure Prometheus is running
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# before we try to shut it down.
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time.sleep(5)
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result = runner.invoke(metrics_group, ["shutdown-prometheus"])
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assert result.exit_code == 0
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def test_prometheus_config_content():
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# Test to make sure the content in the hardcoded file
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# (python/ray/dashboard/modules/metrics/export/prometheus/prometheus.yml) will
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# always be the same as the template (templates.py) used to generate Prometheus
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# config file when Ray startup
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PROM_DISCOVERY_FILE_PATH = "/tmp/ray/prom_metrics_service_discovery.json"
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template_content = PROMETHEUS_YML_TEMPLATE.format(
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prom_metrics_service_discovery_file_path=PROM_DISCOVERY_FILE_PATH
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)
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with open(PROMETHEUS_CONFIG_INPUT_PATH) as f:
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assert f.read() == template_content
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if __name__ == "__main__":
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sys.exit(pytest.main(["-v", __file__]))
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