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#!/usr/bin/python
import sys, subprocess
import re
import socket
import os
import datetime,time
import shlex
sys.dont_write_bytecode = True
try:
from MythTV import MythBE
mythtv = MythBE()
except:
mythtv = None
#print mythtv.db.getSetting( 'Theme', socket.gethostname())
def get_timestamp():
now = datetime.datetime.now()
date = (now.strftime('%Y-%m-%d %H:%M'))
return date
def getFreePercentForDir(dir):
stats = os.statvfs(dir)
total = (stats.f_blocks)
avail = (stats.f_bavail)
return (total - avail) / float(total)
def check_home():
#get the mythtv home dir
MYTHHOME=subprocess.check_output("lh_home_check.sh").decode('utf-8').strip()
freePcent = getFreePercentForDir(MYTHHOME)
print(" Home directory percent used: " + str(freePcent * 100) + "%")
if float(freePcent) > .9:
print(" Home directory is greater than 90% used. Clearing caches...")
cmd = "/usr/bin/rm -rf " + MYTHHOME + "/.mythtv/{*cache,Cache-*,tmp/*,MythMusic/AlbumArt/*}"
subprocess.call(["sh", "-c", cmd])
print(" Restarting mythfrontend...")
subprocess.call(["killall", "mythfrontend"])
cmd = "/usr/bin/rm -rf " + MYTHHOME + "/.cache/*"
subprocess.call(["sh", "-c", cmd])
cmd = "/usr/bin/rm -rf " + MYTHHOME + "/.plexht/userdata/Thumbnails/*"
subprocess.call(["sh", "-c", cmd])
cmd = "/usr/bin/rm -rf " + MYTHHOME + "/.plexht/userdata/ThemeMusicCache/*"
subprocess.call(["sh", "-c", cmd])
freePcent = getFreePercentForDir(MYTHHOME)
print(" Home directory percent used: " + str(freePcent * 100) + "%")
else:
print(" Home directory is less than 90% used. Not clearing caches.")
return 0
def optimize():
try:
cursor = mythtv.db.cursor()
cursor.execute("SHOW tables")
result = cursor.fetchall()
except:
print("\n%s Problem getting tables from the database" %(get_timestamp()))
return 1
ops=["REPAIR","OPTIMIZE","ANALYZE"]
for row in result:
ctable=row[0]
for op in ops:
print(" %s %s" %(op,ctable))
cmd= "%s table %s" %(op,ctable)
cursor.execute(cmd)
return 0
def cleanup_inuseprograms():
fourHoursAgo=datetime.datetime.today() - datetime.timedelta(hours=4)
cmd="DELETE FROM inuseprograms WHERE lastupdatetime < '%s';" %fourHoursAgo
try:
cursor = mythtv.db.cursor()
cursor.execute(cmd)
except:
print("\n%s Problem cleaning inuseprograms in database" %(get_timestamp()))
def bail_if_another_is_running():
cmd = shlex.split("pgrep -u {} -f {}".format(os.getuid(), __file__))
pids = subprocess.check_output(cmd).decode('utf-8').strip().split('\n')
if len(pids) > 1:
pids.remove("{}".format(os.getpid()))
print("Exiting! Found {} is already running (pids): {}".format(
__file__, " ".join(pids)))
raise SystemExit(1)
def run_stuff():
print("\n%s" %get_timestamp())
if (len(sys.argv) == 1) or ("--noidlecheck" in sys.argv) and (len(sys.argv) == 2):
runall = True
else:
runall = False
if ("--noidlecheck" in sys.argv):
print("No system idle check will be done.")
idle = 0
else:
idle = subprocess.call(["/usr/bin/python", "/usr/bin/idle.py"])
if not idle:
if ("--check_home" in sys.argv) or runall:
print("\n#######################################")
print("\n%s Checking size of MythTV home" %(get_timestamp()))
if not check_home():
print("\nFinished checking size of MythTV home")
else:
return True
if ("--optimize" in sys.argv) or runall:
print("\n#######################################")
print("\n%s Running Optimize" %(get_timestamp()))
if not optimize():
print("\nFinished Optimize")
else:
return True
if ("--backup" in sys.argv) or runall:
print("\n#######################################")
print("\n%s Running Backup" %(get_timestamp()))
if not os.system('sudo /usr/bin/lh_system_backup_job'):
print("\nFinished Backup")
if ("--update" in sys.argv) or runall:
print("\n#######################################")
print("\n%s Running System Update" %(get_timestamp()))
if not os.system('/usr/bin/lh_system_host_update'):
print("\nFinished Update")
print("\n#######################################")
continue_loop=False
else:
continue_loop=True
return continue_loop
#---------------------------------
bail_if_another_is_running()
starttime=time.time()
ctin=True
while ctin:
cleanup_inuseprograms()
ctin=run_stuff()
if ctin:
print("\n%s Waiting 10 minutes before trying again." %(get_timestamp()))
time.sleep(600)
current_time=time.time()
if (current_time - starttime) > 3000 :
ctin = False
print("\n%s Time Exceeded 50 minutes. Quitting.)" %(get_timestamp()))
exit(1)
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