def send_log_to_database(service_id, logfile, filename):
global lastmod
cur = cassandra.cursor()
c = unicode(open(logfile).read(),
errors='ignore') # ignore non-unicode characters in log file
if len(c) == 0:
print "logfile is empty"
return
now = cassandra.time_to_timestamp(time.time())
for r in c.splitlines():
print {
'logfile': logfile,
'message': r,
'service_id': service_id,
'time': now
}
cur.execute(
"UPDATE log SET logfile = :logfile, message = :message WHERE service_id = :service_id AND time = :time",
{
'logfile': os.path.split(logfile)[-1],
'message': r,
'service_id': service_id,
'time': now
})
# potential race condition situation below
if mtime(logfile) != lastmod:
# file appended to during db send, so delete the part of file we sent (but not the rest)
open(logfile, 'w').write(open(logfile).read()[len(c):])
else:
# just clear file
open(logfile, 'w').close()
lastmod = mtime(logfile)
def update_status(service_id, pid):
global last_status
fields = ['pcpu', 'pmem', 'pid', 'cputime', 'rss', 'vsize']
v = subprocess.Popen(
['ps', '-p', str(int(pid)), '-o', ' '.join(fields)],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE).stdout.read().splitlines()
if len(v) <= 1:
return # process not running -- no status
d = dict(zip(fields, v[-1].split()))
if d != last_status:
last_status = d
now = cassandra.time_to_timestamp(time.time())
cputime = cputime_to_float(d['cputime'])
cassandra.cursor().execute(
"""UPDATE status SET
pmem = :pmem, pcpu = :pcpu, cputime = :cputime, vsize = :vsize, rss = :rss
WHERE service_id = :service_id AND time = :time""",
{
'service_id': service_id,
'time': now,
'pmem': d['pmem'],
'pcpu': d['pcpu'],
'cputime': cputime,
'vsize': d['vsize'],
'rss': d['rss']
})
def update_status(service_id, pid):
global last_status
fields = ['pcpu', 'pmem', 'pid', 'cputime', 'rss', 'vsize']
v = subprocess.Popen(['ps', '-p', str(int(pid)), '-o', ' '.join(fields)],
stdin=subprocess.PIPE, stdout = subprocess.PIPE,
stderr=subprocess.PIPE).stdout.read().splitlines()
if len(v) <= 1:
return # process not running -- no status
d = dict(zip(fields, v[-1].split()))
if d != last_status:
last_status = d
now = cassandra.time_to_timestamp(time.time())
cputime = cputime_to_float(d['cputime'])
cassandra.cursor().execute("""UPDATE status SET
pmem = :pmem, pcpu = :pcpu, cputime = :cputime, vsize = :vsize, rss = :rss
WHERE service_id = :service_id AND time = :time""",
{'service_id':service_id, 'time':now, 'pmem':d['pmem'], 'pcpu':d['pcpu'],
'cputime':cputime, 'vsize':d['vsize'], 'rss':d['rss']})
def send_log_to_database(service_id, logfile, filename):
global lastmod
cur = cassandra.cursor()
c = unicode(open(logfile).read(), errors='ignore') # ignore non-unicode characters in log file
if len(c) == 0:
print "logfile is empty"
return
now = cassandra.time_to_timestamp(time.time())
for r in c.splitlines():
print {'logfile':logfile, 'message':r, 'service_id':service_id, 'time':now}
cur.execute("UPDATE log SET logfile = :logfile, message = :message WHERE service_id = :service_id AND time = :time",
{'logfile':os.path.split(logfile)[-1], 'message':r, 'service_id':service_id, 'time':now})
# potential race condition situation below
if mtime(logfile) != lastmod:
# file appended to during db send, so delete the part of file we sent (but not the rest)
open(logfile,'w').write(open(logfile).read()[len(c):])
else:
# just clear file
open(logfile,'w').close()
lastmod = mtime(logfile)
