INTERNAL: distro detection for the frontend can just use /etc/os-release (we missed a spot in code coverage calculation)

Author: bsanders

test-framework/provisioning/roles/system-coverage/files/sitecustomize.py

@@ -1,13 +1,29 @@
 import atexit
-import os.path
+from pathlib import Path
 
 import coverage
 
 
-if os.path.exists("/etc/SuSE-release"):
-	config_file = "/export/test-suites/_common/sles.coveragerc"
-else:
-	config_file = "/export/test-suites/_common/redhat.coveragerc"
+def get_distro():
+	''' get the distro on any newer systemd based distro (sles12+, centos/rhel 7+) '''
+	os_release = Path('/etc/os-release')
+	if not os_release.exists():
+		raise NotImplementedError
+
+	for line in os_release.read_text().splitlines():
+		if line.startswith('ID='):
+			distro_id = line.split('=')[-1].strip('"')
+			break
+	else: # nobreak
+		raise NotImplementedError
+
+	if distro_id in ['rhel', 'centos']:
+		return 'redhat'
+
+	return distro_id
+
+
+config_file = f"/export/test-suites/_common/{get_distro()}.coveragerc"
 
 cov = coverage.Coverage(
 	data_file="/root/.coverage",
@@ -17,7 +33,6 @@
 )
 cov.start()
 
-
 @atexit.register
 def stop_coverage():
 	cov.stop()