FEATURE: ReportSys test for SLES pallet patch

common/src/stack/report-system/command/report/system/tests/test_sles_patch.py

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+import pytest
+import os
+import stack.api
+import hashlib
+import json
+
+
+# Returns a hash of filename
+def Get_A_Hash(filename):
+	hasher = hashlib.md5()
+	with open(filename, 'rb') as f:
+		buf = f.read()
+		hasher.update(buf)
+
+	return hasher.hexdigest()
+
+# Compare 2 hashes and return boolean
+def Hashes_Match(hash1, hash2, filename):
+	if hash1 == hash2:
+		return True 
+	else:
+		print('%s hash did NOT match' % filename)
+		return False
+
+# Grab all found SLES versions and returns a list
+def Get_SLES_Flavors():
+	base_dir = '/export/stack/pallets/SLES/'
+	sles_flavors = os.listdir(base_dir)
+	return sles_flavors
+
+
+# Verify SLES patches are installed
+def test_sles_pallet_patched(host):
+   	# Only run on SLES
+	if not os.path.exists('/etc/SuSE-release'):
+		print('OS is not SLES, skipping test')
+		return 0
+
+	error_occurred = False 
+	base_dir = '/export/stack/pallets/SLES/'
+	sles_flavors = Get_SLES_Flavors()
+	assert sles_flavors
+	# Just need a new line for readability 
+	print('')
+
+	# Test every sles flavor found
+	for sles_flavor in sles_flavors:
+		# Make sure installed patches match what's under /opt/stack/pallet-patches
+		patch_dir = '/opt/stack/pallet-patches'
+		patch_dir_files = []
+		for (dir_path, dir_names, filenames) in os.walk(patch_dir):
+			# Only want particular SLES version
+			if sles_flavor in dir_path:
+				patch_dir_files += [os.path.join(dir_path, file) for file in filenames if file == 'content']
+
+		# We should have non-empty list here
+		assert patch_dir_files
+
+		# Find img file from patch directory in SLES pallet
+		result = host.run(f'grep .img {patch_dir_files[0]}\n')
+
+		# Last item is the partial image path
+		part_img_file = result.stdout.split()[-1]
+
+		# Find full path to /export/stack/pallets/SLES/?
+		result = host.run(f'probepal {base_dir}')
+		assert result.rc == 0
+		palinfo = json.loads(result.stdout)
+
+        	# It shouldn't be empty
+		assert palinfo[base_dir]
+
+		sles_pallet_root = None 
+		for pallet in palinfo[base_dir]:
+			# Grab the right sles sp level
+			if pallet['name'] == 'SLES' and pallet['version'] == sles_flavor:
+				assert host.file(f"{pallet['pallet_root']}").is_directory
+				sles_pallet_root = pallet['pallet_root']
+				break
+
+		# .img file should exist in sles pallet directory in relative path
+		assert os.path.exists(sles_pallet_root + '/' + part_img_file)
+
+		# Find out where is stack-sles*images*.rpm file
+		result = host.run('find / -name "*stack-sles-*.rpm" -print\n')
+		RPM = result.stdout.splitlines()[0]
+
+		# Make sure we found pm file
+		assert '.rpm' in RPM
+
+		result = host.run(f'rpm -qp --dump {RPM}\n')	
+		# We don't want file under /opt/stack/images to be included in this list
+		patch_files = [line.split() for line in result.stdout.splitlines() if sles_flavor in line and '/images/' not in line]
+
+		# Verify file(s) from images RPM actually exist
+		for this_list in patch_files:
+			file_to_check = this_list[0]
+			assert os.path.exists(file_to_check) 
+			hash_value = this_list[3]
+			# Grab hash for this file in patch directory and compare against hash from img file. They should match
+			hash_value1 = Get_A_Hash(file_to_check)
+			if Hashes_Match(hash_value, hash_value1, file_to_check) == False:
+				error_occurred = True 
+
+			# Grab hash for this file in SLES pallet directory and compare against hash from img file. They should match
+			# Need to build the equivalent path first
+			temp_path_list = file_to_check.split('add-stacki-squashfs')	
+			temp_path = sles_pallet_root + temp_path_list[1]
+			hash_value1 = Get_A_Hash(temp_path)
+			if Hashes_Match(hash_value, hash_value1, temp_path) == False:
+				error_occurred = True 
+
+	# Overall result for hash check	
+	assert error_occurred == False