260 lines
9.5 KiB
Python
260 lines
9.5 KiB
Python
#!/usr/bin/env python3
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"""Publish titan-iac quality-gate results to Pushgateway."""
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from __future__ import annotations
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import json
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import os
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from glob import glob
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import urllib.error
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import urllib.request
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import xml.etree.ElementTree as ET
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def _escape_label(value: str) -> str:
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"""Escape a Prometheus label value without changing its content."""
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return value.replace("\\", "\\\\").replace("\n", "\\n").replace('"', '\\"')
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def _label_str(labels: dict[str, str]) -> str:
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"""Render a stable Prometheus label set from a mapping."""
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parts = [f'{key}="{_escape_label(val)}"' for key, val in labels.items() if val]
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return "{" + ",".join(parts) + "}" if parts else ""
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def _read_text(url: str) -> str:
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"""Fetch a plain-text response body from the given URL."""
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with urllib.request.urlopen(url, timeout=10) as response:
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return response.read().decode("utf-8")
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def _post_text(url: str, payload: str) -> None:
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"""PUT a plain-text payload and fail on any 4xx/5xx response."""
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request = urllib.request.Request(
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url,
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data=payload.encode("utf-8"),
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method="PUT",
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headers={"Content-Type": "text/plain"},
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)
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with urllib.request.urlopen(request, timeout=10) as response:
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if response.status >= 400:
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raise RuntimeError(f"push failed with status={response.status}")
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def _parse_junit(path: str) -> dict[str, int]:
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"""Parse a JUnit XML file into aggregate test counters."""
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if not os.path.exists(path):
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return {"tests": 0, "failures": 0, "errors": 0, "skipped": 0}
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tree = ET.parse(path)
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root = tree.getroot()
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totals = {"tests": 0, "failures": 0, "errors": 0, "skipped": 0}
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suites: list[ET.Element]
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if root.tag == "testsuite":
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suites = [root]
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elif root.tag == "testsuites":
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suites = [elem for elem in root if elem.tag == "testsuite"]
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else:
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suites = []
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for suite in suites:
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for key in totals:
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raw_value = suite.attrib.get(key, "0")
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try:
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totals[key] += int(float(raw_value))
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except ValueError:
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totals[key] += 0
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return totals
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def _collect_junit_totals(pattern: str) -> dict[str, int]:
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"""Sum JUnit counters across every XML file matching the pattern."""
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totals = {"tests": 0, "failures": 0, "errors": 0, "skipped": 0}
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for path in sorted(glob(pattern)):
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parsed = _parse_junit(path)
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for key in totals:
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totals[key] += parsed[key]
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return totals
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def _read_exit_code(path: str) -> int:
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"""Read the quality-gate exit code, defaulting to failure if missing."""
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try:
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with open(path, "r", encoding="utf-8") as handle:
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return int(handle.read().strip())
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except (FileNotFoundError, ValueError):
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return 1
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def _load_summary(path: str) -> dict:
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"""Load the JSON quality-gate summary, returning an empty mapping on error."""
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try:
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with open(path, "r", encoding="utf-8") as handle:
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return json.load(handle)
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except (FileNotFoundError, json.JSONDecodeError):
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return {}
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def _summary_float(summary: dict, key: str) -> float:
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"""Extract a float-like value from the summary, defaulting to 0.0."""
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value = summary.get(key)
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if isinstance(value, (int, float)):
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return float(value)
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return 0.0
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def _summary_int(summary: dict, key: str) -> int:
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"""Extract an int-like value from the summary, defaulting to 0."""
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value = summary.get(key)
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if isinstance(value, int):
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return value
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if isinstance(value, float):
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return int(value)
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return 0
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def _fetch_existing_counter(pushgateway_url: str, metric: str, labels: dict[str, str]) -> float:
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"""Return the current counter value for a labeled metric if present."""
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text = _read_text(f"{pushgateway_url.rstrip('/')}/metrics")
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for line in text.splitlines():
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if not line.startswith(metric + "{"):
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continue
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if any(f'{key}="{value}"' not in line for key, value in labels.items()):
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continue
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parts = line.split()
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if len(parts) < 2:
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continue
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try:
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return float(parts[1])
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except ValueError:
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return 0.0
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return 0.0
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def _build_payload(
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suite: str,
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status: str,
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tests: dict[str, int],
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ok_count: int,
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failed_count: int,
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branch: str,
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build_number: str,
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summary: dict | None = None,
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workspace_line_coverage_percent: float = 0.0,
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source_lines_over_500: int = 0,
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) -> str:
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"""Build the Pushgateway payload for the current suite run."""
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passed = max(tests["tests"] - tests["failures"] - tests["errors"] - tests["skipped"], 0)
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build_labels = _label_str(
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{
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"suite": suite,
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"branch": branch or "unknown",
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"build_number": build_number or "unknown",
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}
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)
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lines = [
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"# TYPE platform_quality_gate_runs_total counter",
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f'platform_quality_gate_runs_total{{suite="{suite}",status="ok"}} {ok_count}',
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f'platform_quality_gate_runs_total{{suite="{suite}",status="failed"}} {failed_count}',
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"# TYPE titan_iac_quality_gate_tests_total gauge",
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f'titan_iac_quality_gate_tests_total{{suite="{suite}",result="passed"}} {passed}',
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f'titan_iac_quality_gate_tests_total{{suite="{suite}",result="failed"}} {tests["failures"]}',
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f'titan_iac_quality_gate_tests_total{{suite="{suite}",result="error"}} {tests["errors"]}',
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f'titan_iac_quality_gate_tests_total{{suite="{suite}",result="skipped"}} {tests["skipped"]}',
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"# TYPE titan_iac_quality_gate_run_status gauge",
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f'titan_iac_quality_gate_run_status{{suite="{suite}",status="ok"}} {1 if status == "ok" else 0}',
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f'titan_iac_quality_gate_run_status{{suite="{suite}",status="failed"}} {1 if status == "failed" else 0}',
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"# TYPE titan_iac_quality_gate_build_info gauge",
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f"titan_iac_quality_gate_build_info{build_labels} 1",
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"# TYPE platform_quality_gate_workspace_line_coverage_percent gauge",
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f'platform_quality_gate_workspace_line_coverage_percent{{suite="{suite}"}} {workspace_line_coverage_percent:.3f}',
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"# TYPE platform_quality_gate_source_lines_over_500_total gauge",
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f'platform_quality_gate_source_lines_over_500_total{{suite="{suite}"}} {source_lines_over_500}',
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]
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results = summary.get("results", []) if isinstance(summary, dict) else []
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if results:
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lines.append("# TYPE titan_iac_quality_gate_checks_total gauge")
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for result in results:
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check_name = result.get("name")
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check_status = result.get("status")
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if not check_name or not check_status:
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continue
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lines.append(
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f'titan_iac_quality_gate_checks_total{{suite="{suite}",check="{_escape_label(str(check_name))}",result="{_escape_label(str(check_status))}"}} 1'
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)
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return "\n".join(lines) + "\n"
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def main() -> int:
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"""Publish the quality-gate metrics and print a compact run summary."""
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suite = os.getenv("SUITE_NAME", "titan_iac")
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pushgateway_url = os.getenv("PUSHGATEWAY_URL", "http://platform-quality-gateway.monitoring.svc.cluster.local:9091")
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job_name = os.getenv("QUALITY_GATE_JOB_NAME", "platform-quality-ci")
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junit_glob = os.getenv("JUNIT_GLOB", os.getenv("JUNIT_PATH", "build/junit-*.xml"))
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exit_code_path = os.getenv("QUALITY_GATE_EXIT_CODE_PATH", os.getenv("GLUE_EXIT_CODE_PATH", "build/quality-gate.rc"))
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summary_path = os.getenv("QUALITY_GATE_SUMMARY_PATH", "build/quality-gate-summary.json")
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branch = os.getenv("BRANCH_NAME", os.getenv("GIT_BRANCH", ""))
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build_number = os.getenv("BUILD_NUMBER", "")
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tests = _collect_junit_totals(junit_glob)
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exit_code = _read_exit_code(exit_code_path)
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status = "ok" if exit_code == 0 else "failed"
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summary = _load_summary(summary_path)
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workspace_line_coverage_percent = _summary_float(summary, "workspace_line_coverage_percent")
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source_lines_over_500 = _summary_int(summary, "source_lines_over_500")
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ok_count = int(
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_fetch_existing_counter(
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pushgateway_url,
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"platform_quality_gate_runs_total",
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{"job": job_name, "suite": suite, "status": "ok"},
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)
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)
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failed_count = int(
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_fetch_existing_counter(
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pushgateway_url,
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"platform_quality_gate_runs_total",
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{"job": job_name, "suite": suite, "status": "failed"},
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)
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)
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if status == "ok":
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ok_count += 1
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else:
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failed_count += 1
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payload = _build_payload(
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suite=suite,
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status=status,
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tests=tests,
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ok_count=ok_count,
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failed_count=failed_count,
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branch=branch,
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build_number=build_number,
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summary=summary,
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workspace_line_coverage_percent=workspace_line_coverage_percent,
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source_lines_over_500=source_lines_over_500,
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)
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push_url = f"{pushgateway_url.rstrip('/')}/metrics/job/{job_name}/suite/{suite}"
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_post_text(push_url, payload)
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summary = {
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"suite": suite,
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"status": status,
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"tests_total": tests["tests"],
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"tests_failed": tests["failures"],
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"tests_error": tests["errors"],
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"tests_skipped": tests["skipped"],
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"ok_count": ok_count,
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"failed_count": failed_count,
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"checks_recorded": len(summary.get("results", [])) if isinstance(summary, dict) else 0,
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"workspace_line_coverage_percent": workspace_line_coverage_percent,
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"source_lines_over_500": source_lines_over_500,
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}
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print(json.dumps(summary, sort_keys=True))
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return 0
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if __name__ == "__main__":
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raise SystemExit(main())
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