File size: 3,177 Bytes
f3b0a91 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 | #!/usr/bin/env python3
"""af-check: syntax checks + example tests for this repo (the same tools CI runs).
- promtool check rules on every rules/*.yml|yaml (PrometheusRule manifests are unwrapped first)
- promtool test rules on tests/visible/*.test.yml against the extracted rules
- amtool check-config alertmanager/alertmanager.yml
Exit code 0 when everything passes.
"""
import glob
import os
import shutil
import subprocess
import sys
import tempfile
import yaml
ROOT = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
def extract(path):
with open(path) as fh:
doc = yaml.safe_load(fh)
if isinstance(doc, dict) and doc.get("kind") == "PrometheusRule":
return {"groups": (doc.get("spec") or {}).get("groups") or []}
return doc
def main():
tmp = tempfile.mkdtemp(prefix="af-check-")
ok = True
rule_paths = []
try:
files = sorted(glob.glob(os.path.join(ROOT, "rules", "*.yml")) + glob.glob(os.path.join(ROOT, "rules", "*.yaml")))
for f in files:
rel = os.path.relpath(f, ROOT)
try:
doc = extract(f)
except yaml.YAMLError as e:
print(f"FAIL {rel}: YAML error: {e}")
ok = False
continue
out = os.path.join(tmp, os.path.basename(f).rsplit(".", 1)[0] + ".yml")
with open(out, "w") as fh:
yaml.safe_dump(doc, fh, sort_keys=False)
r = subprocess.run(["promtool", "check", "rules", out], capture_output=True, text=True)
if r.returncode == 0:
print(f"ok {rel}")
rule_paths.append(out)
else:
ok = False
print(f"FAIL {rel}:\n{(r.stdout + r.stderr).replace(out, rel)}")
for t in sorted(glob.glob(os.path.join(ROOT, "tests", "visible", "*.test.yml"))):
with open(t) as fh:
doc = yaml.safe_load(fh)
doc["rule_files"] = rule_paths or [os.path.join(tmp, "none.yml")]
if not rule_paths:
with open(doc["rule_files"][0], "w") as fh:
fh.write("groups: []\n")
tp = os.path.join(tmp, os.path.basename(t))
with open(tp, "w") as fh:
yaml.safe_dump(doc, fh, sort_keys=False, width=10**9)
r = subprocess.run(["promtool", "test", "rules", tp], capture_output=True, text=True)
print(f"{'ok ' if r.returncode == 0 else 'FAIL'} tests/visible/{os.path.basename(t)}")
if r.returncode != 0:
ok = False
print((r.stdout + r.stderr)[-4000:])
am = os.path.join(ROOT, "alertmanager", "alertmanager.yml")
r = subprocess.run(["amtool", "check-config", am], capture_output=True, text=True)
print(f"{'ok ' if r.returncode == 0 else 'FAIL'} alertmanager/alertmanager.yml")
if r.returncode != 0:
ok = False
print(r.stdout + r.stderr)
finally:
shutil.rmtree(tmp, ignore_errors=True)
print("ALL CHECKS PASSED" if ok else "SOME CHECKS FAILED")
return 0 if ok else 1
if __name__ == "__main__":
sys.exit(main())
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