289 lines
9.9 KiB
Python
289 lines
9.9 KiB
Python
import os
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import urllib.request
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import logging
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import json
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import http.client
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NON_UPDATABLE_KEYS = [
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'server_type',
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'os_id',
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'provider_id',
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'location_id',
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'ssh_port',
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'bandwidth',
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'was_promo',
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'active',
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'owned_since',
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'currency',
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'price',
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'payment_term',
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'next_due_date',
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'ip1'
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]
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class ServerData:
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def __init__(self):
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self.hostname = os.uname().nodename
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self.public_ip = self.get_public_ip()
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self.dmidecode_data = parse_dmidecode_output()
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logging.basicConfig(level=logging.INFO)
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def parse_dmidecode_output():
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'''
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Example dmidecode output:
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Handle 0x0069, DMI type 20, 35 bytes
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Memory Device Mapped Address
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Starting Address: 0x00600000000
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Ending Address: 0x007FFFFFFFF
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Range Size: 8 GB
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Physical Device Handle: 0x0067
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Memory Array Mapped Address Handle: 0x006A
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Partition Row Position: Unknown
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Interleave Position: 2
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Interleaved Data Depth: 2
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Handle 0x006A, DMI type 19, 31 bytes
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Memory Array Mapped Address
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Starting Address: 0x00000000000
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Ending Address: 0x007FFFFFFFF
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Range Size: 32 GB
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Physical Array Handle: 0x005E
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Partition Width: 4
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'''
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if os.path.isfile('/usr/sbin/dmidecode'):
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try:
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# ignore error messages produced by the command
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output = subprocess.check_output(['sudo', '/usr/sbin/dmidecode'], stderr=subprocess.DEVNULL).decode('utf-8')
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# each section is separated by two newlines
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sections = output.split('\n\n')
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parsed_sections = []
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for section in sections:
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# each line in a section is separated by a newline
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lines = section.split('\n')
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# first line contains the DMI type - only need number
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match = re.search(r'DMI type (\d+)', lines[0])
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if match:
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dmi_type = int(match.group(1))
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else: # skip if no DMI type in this section
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continue
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# each section is a dictionary with DMIType as key
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section_dict = {'DMIType': dmi_type}
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if len(lines) > 1:
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section_dict['description'] = lines[1].strip()
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for line in lines[2:]: # skip first two lines - already processed
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# each line has tabs at the beginning and space(maybe optional) between key and value
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match = re.match(r'\t(.+):\s*(.*)', line)
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if match:
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key, value = match.groups()
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section_dict[key] = value
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parsed_sections.append(section_dict)
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return parsed_sections
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except subprocess.CalledProcessError:
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pass
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return []
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def get_ram_and_disk(self):
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with open('/proc/meminfo', 'r') as f:
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meminfo = f.read()
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ram = int([x for x in meminfo.split('\n') if 'MemTotal' in x][0].split()[1]) // 1024
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with open('/proc/diskstats', 'r') as f:
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diskstats = f.read()
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disk = sum(int(x.split()[9]) for x in diskstats.split('\n') if x) * 512 // 10**9
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logging.info(f"RAM: {ram}MB, Disk: {disk}GB")
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return ram, disk
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def get_cpu_count(self):
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cpu_count = 0
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for section in self.dmidecode_data:
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if section['DMIType'] == 4: # 4 corresponds to processor
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core_count = int(section.get('Core Count', '0'))
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thread_count = int(section.get('Thread Count', '0'))
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cpu_count = core_count * thread_count
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if cpu_count == 0:
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with open('/proc/cpuinfo', 'r') as f:
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cpuinfo = f.read()
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cpu_count = cpuinfo.count('processor')
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logging.info(f"CPU Count: {cpu_count}")
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return cpu_count
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def get_bandwidth(self):
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bandwidth = 2000
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logging.info(f"Bandwidth: {bandwidth}")
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return bandwidth
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def get_public_ip(self):
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try:
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response = urllib.request.urlopen('https://api.ipify.org')
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return response.read().decode()
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except Exception as e:
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logging.error(f"Failed to get public IP: {e}")
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return '127.0.0.1'
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def get_os(self):
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os_id = 27
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logging.info(f"OS ID: {os_id}")
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return os_id
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def create_post_data(self):
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ram, disk = self.get_ram_and_disk()
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post_data = {
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"server_type": 1,
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"os_id": self.get_os(),
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"provider_id": 10,
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"location_id": 15,
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"ssh_port": 22,
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"ram": ram >> 10, # convert to GB
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"ram_as_mb": ram, # in MB
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"disk": disk, # in GB
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"disk_as_gb": disk, # in GB
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"cpu": self.get_cpu_count(),
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"bandwidth": self.get_bandwidth(),
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"was_promo": 1,
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"active": 1,
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"show_public": 0,
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"owned_since": "2022-01-01",
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"ram_type": "GB",
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"disk_type": "GB",
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"currency": "USD",
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"price": 4,
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"payment_term": 1,
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"hostname": self.hostname,
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"next_due_date": "2022-02-01",
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"ip1": self.public_ip,
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}
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logging.info("Post data created")
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return post_data
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def create_note_data(self, server_id):
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chassis_info = None
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for section in self.dmidecode_data:
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if section['DMIType'] == 1:
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chassis_info = section
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break
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if chassis_info:
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chassis_model = chassis_info.get('Product Name', 'Unknown')
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chassis_serial = chassis_info.get('Serial Number', 'Unknown')
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else:
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chassis_model = chassis_serial = 'Unknown'
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processor_info = [section for section in self.dmidecode_data if section['DMIType'] == 4]
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processor_model = processor_info[0].get('Version', 'Unknown') if processor_info else 'Unknown'
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processor_count = len(processor_info)
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note = "Chassis Model: {}, Serial Number: {}\nProcessor Model: {}, Count: {}\nRAM Details:\n{}".format(
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chassis_model, chassis_serial, processor_model, processor_count, '\n'.join(['R1', 'R2', 'R3']))
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note_data = {
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'service_id': server_id,
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'note': note,
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}
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return note_data
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class ServerManager:
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def __init__(self, host, api_key):
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self.host = host
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self.api_key = api_key
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self.headers = {
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'Content-Type': 'application/json',
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'Authorization': 'Bearer ' + self.api_key,
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}
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logging.basicConfig(level=logging.INFO)
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def send_request(self, method, endpoint, data=None):
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url = self.host + endpoint
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payload = json.dumps(data).encode('utf-8') if data else None
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req = urllib.request.Request(url, data=payload, headers=self.headers, method=method)
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try:
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with urllib.request.urlopen(req) as response:
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if method == 'GET':
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return json.loads(response.read().decode())
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else:
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return response.read().decode()
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except urllib.error.HTTPError as e:
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logging.error(f"Request failed with {e}")
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raise
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def get_existing_servers(self):
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return self.send_request('GET', '/api/servers')
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def get_note(self, service_id):
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return self.send_request('GET', '/api/notes/' + str(service_id))
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def create_note(self, post_data):
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logging.info("Creating note...")
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return self.send_request('POST', '/api/notes', post_data)
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def update_note(self, post_data, service_id):
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logging.info(f"Updating note with id {service_id}...")
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return self.send_request('PUT', '/api/notes/' + str(service_id), post_data)
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def create_server(self, post_data):
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logging.info("Creating server...")
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return self.send_request('POST', '/api/servers', post_data)
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def update_server(self, post_data, server_id):
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# remove following keys from post_data
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for key in NON_UPDATABLE_KEYS:
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post_data.pop(key, None)
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logging.info(f"Updating server with id {server_id}...")
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return self.send_request('PUT', '/api/servers/' + str(server_id), post_data)
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def existing_server_id(self, post_data):
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existing_servers = self.get_existing_servers()
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for server in existing_servers:
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if server['hostname'] == post_data['hostname']:
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return server['id']
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return None
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def validate_env_vars():
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api_key = os.getenv('AGENT_API')
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host = os.getenv('HOST')
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if not api_key:
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raise Exception('AGENT_API not found in environment variables')
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if not host:
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raise Exception('HOST not found in environment variables')
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return host, api_key
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def main():
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logging.basicConfig(level=logging.INFO)
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host, api_key = validate_env_vars()
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server_data = ServerData()
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post_data = server_data.create_post_data()
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server_manager = ServerManager(host, api_key)
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# Check if the server already exists
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server_id = server_manager.existing_server_id(post_data)
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# If the server exists, update it
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if server_id:
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logging.info('Server already exists with id: {}, Updating...'.format(server_id))
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logging.info(server_manager.update_server(post_data, server_id))
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else:
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logging.info('Server does not exist, Creating...')
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logging.info(server_manager.create_server(post_data))
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note_data = server_data.create_note_data(server_id)
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try:
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note = server_manager.get_note(server_id)
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except urllib.error.HTTPError:
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note = None
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if note:
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server_manager.update_note(note_data, server_id)
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else:
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server_manager.create_note(note_data)
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if __name__ == '__main__':
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main()
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