Parse dmidecode output #14

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PeterSurda merged 2 commits from swapnil/idlers-agent:main into main 2024-06-25 02:50:55 +02:00
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@ -25,8 +25,70 @@ class ServerData:
def __init__(self): def __init__(self):
self.hostname = os.uname().nodename self.hostname = os.uname().nodename
self.public_ip = self.get_public_ip() self.public_ip = self.get_public_ip()
self.dmidecode_data = parse_dmidecode_output()
logging.basicConfig(level=logging.INFO) logging.basicConfig(level=logging.INFO)
def parse_dmidecode_output():
'''
Example dmidecode output:
Handle 0x0069, DMI type 20, 35 bytes
Memory Device Mapped Address
Starting Address: 0x00600000000
Ending Address: 0x007FFFFFFFF
Range Size: 8 GB
Physical Device Handle: 0x0067
Memory Array Mapped Address Handle: 0x006A
Partition Row Position: Unknown
Interleave Position: 2
Interleaved Data Depth: 2
Handle 0x006A, DMI type 19, 31 bytes
Memory Array Mapped Address
Starting Address: 0x00000000000
Ending Address: 0x007FFFFFFFF
Range Size: 32 GB
Physical Array Handle: 0x005E
Partition Width: 4
'''
if os.path.isfile('/usr/sbin/dmidecode'):
try:
# ignore error messages produced by the command
output = subprocess.check_output(['sudo', '/usr/sbin/dmidecode'], stderr=subprocess.DEVNULL).decode('utf-8')
# each section is separated by two newlines
sections = output.split('\n\n')
parsed_sections = []
for section in sections:
# each line in a section is separated by a newline
lines = section.split('\n')
# first line contains the DMI type - only need number
match = re.search(r'DMI type (\d+)', lines[0])
if match:
dmi_type = int(match.group(1))
else: # skip if no DMI type in this section
continue
# each section is a dictionary with DMIType as key
section_dict = {'DMIType': dmi_type}
if len(lines) > 1:
section_dict['description'] = lines[1].strip()
for line in lines[2:]: # skip first two lines - already processed
# each line has tabs at the beginning and space(maybe optional) between key and value
match = re.match(r'\t(.+):\s*(.*)', line)
if match:
key, value = match.groups()
section_dict[key] = value
parsed_sections.append(section_dict)
return parsed_sections
except subprocess.CalledProcessError:
pass
return []
def get_ram_and_disk(self): def get_ram_and_disk(self):
with open('/proc/meminfo', 'r') as f: with open('/proc/meminfo', 'r') as f:
meminfo = f.read() meminfo = f.read()