# -*- coding: utf-8 -*- ############################################################################## # # Copyright (c) 2010-2014 Vifib SARL and Contributors. # All Rights Reserved. # # WARNING: This program as such is intended to be used by professional # programmers who take the whole responsibility of assessing all potential # consequences resulting from its eventual inadequacies and bugs # End users who are looking for a ready-to-use solution with commercial # guarantees and support are strongly adviced to contract a Free Software # Service Company # # This program is Free Software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public License # as published by the Free Software Foundation; either version 2.1 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU Lesser General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # ############################################################################## import psutil import os import subprocess from temperature import collectComputerTemperature, \ launchTemperatureTest from temperature.heating import get_contribution_ratio MEASURE_INTERVAL = 5 class _Snapshot(object): def get(self, property, default=None): return getattr(self, property, default) class ProcessSnapshot(_Snapshot): """ Take a snapshot from the running process """ def __init__(self, process=None): assert type(process) is psutil.Process ui_counter_list = process.io_counters() self.username = process.username() self.process_object = process self.pid = process.pid # Save full command line from the process. self.process = "%s-%s" % (process.pid, process.create_time()) # CPU percentage, we will have to get actual absolute value self.cpu_percent = self.process_object.cpu_percent(None) # CPU Time self.cpu_time = sum(process.cpu_times()) # Thread number, might not be really relevant self.cpu_num_threads = process.num_threads() # Memory percentage self.memory_percent = process.memory_percent() # Resident Set Size, virtual memory size is not accouned for self.memory_rss = process.memory_info()[0] # Byte count, Read and write. OSX NOT SUPPORTED self.io_rw_counter = ui_counter_list[2] + ui_counter_list[3] # Read + write IO cycles self.io_cycles_counter = ui_counter_list[0] + ui_counter_list[1] def update_cpu_percent(self): if self.process_object.is_running(): # CPU percentage, we will have to get actual absolute value self.cpu_percent = self.process_object.cpu_percent() class FolderSizeSnapshot(_Snapshot): """Calculate partition folder size. """ def __init__(self, folder_path, pid_file=None, use_quota=False): # slapos computer partition size self.folder_path = folder_path self.pid_file = pid_file self.disk_usage = 0 self.use_quota = use_quota def update_folder_size(self): """Return 0 if the process du is still running """ if self.pid_file and os.path.exists(self.pid_file): with open(self.pid_file, 'r') as fpid: pid_str = fpid.read() if pid_str: pid = int(pid_str) try: os.kill(pid, 0) except OSError: pass else: return self.disk_usage = self._getSize(self.folder_path) # If extra disk added to partition data_dir = os.path.join(self.folder_path, 'DATA') if os.path.exists(data_dir): for filename in os.listdir(data_dir): extra_path = os.path.join(data_dir, filename) if os.path.islink(extra_path) and os.path.isdir('%s/' % extra_path): self.disk_usage += self._getSize('%s/' % extra_path) def _getSize(self, file_path): size = 0 command = 'du -s %s' % file_path process = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True) if self.pid_file: with open(self.pid_file, 'w') as fpid: pid = fpid.write(str(process.pid)) result = process.communicate()[0] if process.returncode == 0: size, _ = result.strip().split() return float(size) class SystemSnapshot(_Snapshot): """ Take a snapshot from current system usage """ def __init__(self, interval=MEASURE_INTERVAL): cpu_idle_percentage = psutil.cpu_times_percent(interval=interval).idle load_percent = 100 - cpu_idle_percentage memory = psutil.virtual_memory() net_io = psutil.net_io_counters() self.memory_used = memory.used self.memory_free = memory.free self.memory_percent = memory.percent #self.cpu_percent = psutil.cpu_percent() self.cpu_percent = load_percent self.load = os.getloadavg()[0] self.net_in_bytes = net_io.bytes_recv self.net_in_errors = net_io.errin self.net_in_dropped = net_io.dropin self.net_out_bytes = net_io.bytes_sent self.net_out_errors = net_io.errout self.net_out_dropped = net_io.dropout class TemperatureSnapshot(_Snapshot): """ Take a snapshot from the current temperature on all available sensors """ def __init__(self, sensor_id, temperature, alarm): self.sensor_id = sensor_id self.temperature = temperature self.alarm = alarm class HeatingContributionSnapshot(_Snapshot): def __init__(self, sensor_id, model_id): self.initial_temperature = None result = launchTemperatureTest(sensor_id) if result is None: print "Impossible to test sensor: %s " % sensor_id initial_temperature, final_temperature, duration = result self.initial_temperature = initial_temperature self.final_temperature = final_temperature self.delta_time = duration self.model_id = model_id self.sensor_id = sensor_id self.zero_emission_ratio = self._get_contribution_ratio() def _get_contribution_ratio(self): delta_temperature = (self.final_temperature-self.initial_temperature) contribution_value = delta_temperature/self.delta_time return get_contribution_ratio(self.model_id, contribution_value) def _get_uptime(self): # Linux only if os.path.exists('/proc/uptime'): with open('/proc/uptime', 'r') as f: return float(f.readline().split()[0]) return -1 class DiskPartitionSnapshot(_Snapshot): """ Take Snapshot from general disk partitions usage """ def __init__(self, partition, mountpoint): self.partition = partition self.mountpoint_list = [ mountpoint ] disk = psutil.disk_usage(mountpoint) disk_io = psutil.disk_io_counters() self.disk_size_used = disk.used self.disk_size_free = disk.free self.disk_size_percent = disk.percent class ComputerSnapshot(_Snapshot): """ Take a snapshot from computer informations """ def __init__(self, model_id=None, sensor_id=None, test_heating=False): self.cpu_num_core = psutil.cpu_count() self.cpu_frequency = 0 self.cpu_type = 0 self.memory_size = psutil.virtual_memory().total self.memory_type = 0 # # Include a SystemSnapshot and a list DiskPartitionSnapshot # on a Computer Snapshot # self.system_snapshot = SystemSnapshot() self.temperature_snapshot_list = self._get_temperature_snapshot_list() self.disk_snapshot_list = [] self.partition_list = self._get_physical_disk_info() if test_heating and model_id is not None \ and sensor_id is not None: self.heating_contribution_snapshot = HeatingContributionSnapshot(sensor_id, model_id) def _get_temperature_snapshot_list(self): temperature_snapshot_list = [] for sensor_entry in collectComputerTemperature(): sensor_id, temperature, maximal, critical, alarm = sensor_entry temperature_snapshot_list.append( TemperatureSnapshot(sensor_id, temperature, alarm)) return temperature_snapshot_list def _get_physical_disk_info(self): partition_dict = {} for partition in psutil.disk_partitions(): if partition.device not in partition_dict: usage = psutil.disk_usage(partition.mountpoint) partition_dict[partition.device] = usage.total self.disk_snapshot_list.append( DiskPartitionSnapshot(partition.device, partition.mountpoint)) return [(k, v) for k, v in partition_dict.iteritems()]