Blame view

slapos/collect/db.py 11.7 KB
Rafael Monnerat committed
1 2 3
import sqlite3
import os
from time import time, strftime
Rafael Monnerat committed
4
import datetime
Rafael Monnerat committed
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147

class Database:

  database_name = "collector.db"
  table_list = ["user", "computer", "system", "disk"]
  CREATE_USER_TABLE = "create table if not exists user " \
                        "(partition text, pid real, process text, " \
                        " cpu_percent real, cpu_time real, " \
                        " cpu_num_threads real,  memory_percent real, " \
                        " memory_rss real, io_rw_counter real, " \
                        " io_cycles_counter real, date text, time text, " \
                        " reported integer NULL DEFAULT 0)"

  CREATE_COMPUTER_TABLE = "create table if not exists computer "\
                          "(cpu_num_core real, cpu_frequency real, cpu_type text," \
                          " memory_size real, memory_type text, partition_list text," \
                          " date text, time text, reported integer NULL DEFAULT 0)"


  CREATE_SYSTEM_TABLE = "create table if not exists system " \
                        "(loadavg real, cpu_percent real, memory_used real, "\
                        " memory_free real, net_in_bytes real, net_in_errors real, "\
                        " net_in_dropped real, net_out_bytes real, net_out_errors real, "\
                        " net_out_dropped real, date text, time text, " \
                        " reported integer NULL DEFAULT 0)"

  CREATE_DISK_PARTITION = "create table if not exists disk "\
                          "(partition text, used text, free text, mountpoint text, " \
                          " date text, time text, reported integer NULL DEFAULT 0)" 


  INSERT_USER_TEMPLATE = "insert into user(" \
            "partition, pid, process, cpu_percent, cpu_time, " \
             "cpu_num_threads, memory_percent," \
             "memory_rss, io_rw_counter, io_cycles_counter, " \
             "date, time) values " \
             "('%s', %s, '%s', %s, %s, %s, %s, %s, %s, %s, '%s', '%s' )" 

  INSERT_COMPUTER_TEMPLATE = "insert into computer("\
            " cpu_num_core, cpu_frequency, cpu_type," \
            "memory_size, memory_type, partition_list," \
            "date, time) values "\
            "(%s, %s, '%s', %s, '%s', '%s', '%s', '%s' )"

  INSERT_DISK_TEMPLATE = "insert into disk("\
            " partition, used, free, mountpoint," \
            " date, time) "\
            "values ('%s', %s,  %s, '%s', '%s', '%s' )"
    
  INSERT_SYSTEM_TEMPLATE = "insert into system("\
            " loadavg, cpu_percent, memory_used, memory_free," \
            " net_in_bytes, net_in_errors, net_in_dropped," \
            " net_out_bytes, net_out_errors, net_out_dropped, " \
            " date, time) values "\
            "( %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, '%s', '%s' )"

  def __init__(self, directory = None):
    assert self.database_name is not None
    self.uri = os.path.join(directory, self.database_name)
    self.connection = None
    self.cursor = None
    self._bootstrap()

  def connect(self):
    self.connection = sqlite3.connect(self.uri)
    self.cursor = self.connection.cursor()

  def commit(self):
    assert self.connection is not None
    self.connection.commit()

  def close(self):
    assert self.connection is not None
    self.cursor.close()
    self.connection.close()

  def _execute(self, sql):
    assert self.connection is not None
    return self.cursor.execute(sql)

  def _bootstrap(self):
    assert self.CREATE_USER_TABLE is not None
    self.connect()
    self._execute(self.CREATE_USER_TABLE)
    self._execute(self.CREATE_COMPUTER_TABLE)
    self._execute(self.CREATE_SYSTEM_TABLE)
    self._execute(self.CREATE_DISK_PARTITION)
    self.commit()
    self.close()

  def _getInsertionDateTuple(self):
    return strftime("%Y-%m-d -- %H:%M:%S").split(" -- ")

  ###################
  # Insertion methods
  ###################
  def insertUserSnapshot(self, partition, pid, process, cpu_percent, cpu_time, 
        cpu_num_threads, memory_percent, memory_rss, io_rw_counter, 
        io_cycles_counter, insertion_date, insertion_time):
    """ Insert user processes snapshots information on a database """
    insertion_sql = self.INSERT_USER_TEMPLATE % \
              ( partition, pid, process, cpu_percent, cpu_time,
                cpu_num_threads, memory_percent,
                memory_rss, io_rw_counter, io_cycles_counter,
                insertion_date, insertion_time)
    self._execute(insertion_sql)
    return insertion_sql

  def insertComputerSnapshot(self, cpu_num_core, cpu_frequency, cpu_type,
         memory_size, memory_type, partition_list, insertion_date, insertion_time):
    """Insert Computer general informations snapshots informations on 
       the database
    """
    insertion_sql = self.INSERT_COMPUTER_TEMPLATE % \
              ( cpu_num_core, cpu_frequency, cpu_type, 
                memory_size, memory_type, 
                partition_list, insertion_date, 
                insertion_time)
    self._execute(insertion_sql)  
    return insertion_sql

  def insertDiskPartitionSnapshot(self, partition, used, free, mountpoint,
                                        insertion_date, insertion_time):
    """ Insert Disk Partitions informations on the database """
    insertion_sql = self.INSERT_DISK_TEMPLATE % \
             ( partition, used, free, mountpoint, 
               insertion_date, insertion_time )
    self._execute(insertion_sql)  
    return insertion_sql
    
  def insertSystemSnapshot(self, loadavg, cpu_percent, memory_used, memory_free,
       net_in_bytes, net_in_errors, net_in_dropped, net_out_bytes, 
       net_out_errors, net_out_dropped, insertion_date, insertion_time):
    """ Include System general Snapshot on the database 
    """
    insertion_sql = self.INSERT_SYSTEM_TEMPLATE % \
             ( loadavg, cpu_percent, memory_used, memory_free,
               net_in_bytes, net_in_errors, net_in_dropped,
               net_out_bytes, net_out_errors, net_out_dropped,
               insertion_date, insertion_time )
    self._execute(insertion_sql)  
    return insertion_sql

Rafael Monnerat committed
148 149 150 151 152 153
  def getTableList(self):
    """ Get the list of tables from the database 
    """
    return [i[0] for i in self._execute(
           "SELECT name FROM sqlite_master WHERE type='table'")]

Rafael Monnerat committed
154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181
  def _getGarbageCollectionDateList(self, days_to_preserve=3):
    """ Return the list of dates to Preserve when data collect
    """
    base = datetime.datetime.today()
    date_list = []
    for x in range(0, days_to_preserve):
      date_list.append((base - datetime.timedelta(days=x)).strftime("%Y-%m-%d"))
    return date_list

  def garbageCollect(self):
    """ Garbase collect the database, by removing older records already
        reported.
    """
    date_list = self._getGarbageCollectionDateList()
    print date_list 
    where_clause = "reported = 1" 
    for _date in date_list:
      where_clause += " AND date != '%s' " % _date
    
    delete_sql = "DELETE FROM %s WHERE %s"

    self.connect()
    for table in self.table_list:
      self._execute(delete_sql % (table, where_clause))

    self.commit()
    self.close()

Rafael Monnerat committed
182
  def getDateScopeList(self, ignore_date=None, reported=0):
Rafael Monnerat committed
183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308
    """ Get from the present unique dates from the system
        Use a smaller table to sabe time.
    """
    if ignore_date is not None:
      where_clause = " AND date != '%s'" % ignore_date
    else:
      where_clause = ""
    select_sql = "SELECT date, count(time) FROM system "\
                 " WHERE reported = %s %s GROUP BY date" % \
                                    (reported, where_clause)
    return self._execute(select_sql)

  def markDayAsReported(self, date_scope, table_list):
    """ Mark all registers from a certain date as reported """
    update_sql = "UPDATE %s SET reported = 1 " \
                 "WHERE date = '%s' AND reported = 0"
    for table in table_list:
      self._execute(update_sql % (table, date_scope))

  def select(self, table, date=None, columns="*"):
    """ Query database for a full table information """
    if date is not None:
      where_clause = " WHERE date = '%s' " % date
    else:
      where_clause = ""
    select_sql = "SELECT %s FROM %s %s " % (columns, table, where_clause)
    return self._execute(select_sql)


  #####################################################
  # Export Tables as Dict for handle realtime plotting
  #####################################################
  def exportSystemAsDict(self, date):
    """ Export system table as dictionally, formatting the output 
        for present it in a nicer presentation. 
    """  
    collected_entry_dict = {}

    collected_entry_dict["loadavg"] = []
    collected_entry_dict["cpu_percent"] = []
    collected_entry_dict["memory_used"] = []
    collected_entry_dict["memory_free"] = []
    collected_entry_dict["net_in_bytes"] = []
    collected_entry_dict["net_in_errors"] = []
    collected_entry_dict["net_in_dropped"] = []
    collected_entry_dict["net_out_bytes"] = []
    collected_entry_dict["net_out_errors"] = []
    collected_entry_dict["net_out_dropped"] = []

    first_entry = 1
    last_entry_in = 0
    last_entry_out = 0
    entry_list =  self._execute(
        "SELECT loadavg, cpu_percent, memory_used, memory_free," \
               " net_in_bytes, net_in_errors, net_in_dropped," \
               " net_out_bytes, net_out_errors, net_out_dropped, " \
               " date, time FROM system WHERE date = '%s'" % date) 

    for entry in entry_list:

      entry_time = "%s %s" % (entry[10], str(entry[11]))
      if not first_entry:
        _entry_in = entry[4] - last_entry_in
        last_entry_in = entry[4]
        entry_in = _entry_in

        _entry_out = entry[7] - last_entry_out
        last_entry_out = entry[7]
        entry_out = _entry_out
      
      else:
        first_entry = 0
        last_entry_in = entry[4]
        last_entry_out = entry[7]
        continue

      collected_entry_dict["loadavg"].append(
             {'entry': entry[0], 'time': entry_time })
      collected_entry_dict["cpu_percent"].append(
             {'entry': entry[1], 'time': entry_time })
      collected_entry_dict["memory_used"].append(
             {'entry': entry[2]/1024, 'time': entry_time })
      collected_entry_dict["memory_free"].append(
             {'entry': entry[3]/1024, 'time': entry_time })
      collected_entry_dict["net_in_bytes"].append(
             {'entry': entry_in/1024, 'time': entry_time })
      collected_entry_dict["net_in_errors"].append(
             {'entry': entry[5], 'time': entry_time })
      collected_entry_dict["net_in_dropped"].append(
             {'entry': entry[6], 'time': entry_time })
      collected_entry_dict["net_out_bytes"].append(
             {'entry': entry_out/1024, 'time': entry_time })
      collected_entry_dict["net_out_errors"].append(
             {'entry': entry[8], 'time': entry_time })
      collected_entry_dict["net_out_dropped"].append(
             {'entry': entry[9], 'time': entry_time })

    return collected_entry_dict

  def exportDiskAsDict(self, date):
    """ Export a column from a table for a given date.
    """
    collected_entry_dict = {}
    entry_list =  self._execute(
        "SELECT partition, used, free, date, time "\
        "from disk WHERE date = '%s'" % (date))

    for partition, used, free,  __date, __time in entry_list:
      partition_used = "%s-used" % partition
      partition_free = "%s-free" % partition
      if partition_used not in collected_entry_dict:
        collected_entry_dict[partition_used] = []

      if partition_free not in collected_entry_dict:
        collected_entry_dict[partition_free] = []

      collected_entry_dict[partition_used].append(
        {'entry': int(used)/1024, 
         'time': "%s %s" % (__date, str(__time))})

      collected_entry_dict[partition_free].append(
        {'entry': int(free)/1024, 
         'time': "%s %s" % (__date, str(__time))})

    return collected_entry_dict