LinHES-system: myth_mtc.py & myth_mtc.cron: add new --check_home option.

The --check_home option checks how full home is and if it is over 90% it will remove caches in .mythtv and restart mythfrontend.

1 files changed, 36 insertions, 3 deletions

diff --git a/abs/core/LinHES-system/myth_mtc.py b/abs/core/LinHES-system/myth_mtc.py
index 8a08c05..ee4fde2 100755
--- a/abs/core/LinHES-system/myth_mtc.py
+++ b/abs/core/LinHES-system/myth_mtc.py
@@ -17,10 +17,35 @@ except:
 
 def get_timestamp():
     now = datetime.datetime.now()
-#date = "%s-%s-%s" %(now.year, now.month, now.day)
-    date = (now.strftime('%Y-%m-%d %H:%M')) 
+    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
+    sys.path.append('/usr/MythVantage/bin/')
+    config_file = "mv_config"
+    data_config = __import__(config_file,  globals(),  locals(),  [])
+
+    freePcent = getFreePercentForDir(data_config.MYTHHOME)
+    print "  Home directory percent used: " + str(freePcent * 100) + "%"
+    if float(freePcent) > .9:
+        print "    Home directory is greater than 90% used. Clearing MythTV caches..."
+        cmd = "/usr/bin/rm -rf " + data_config.MYTHHOME + "/.mythtv/{*cache,Cache-*}"
+        subprocess.call(["sh", "-c", cmd])
+        print "    Restarting mythfrontend..."
+        subprocess.call(["killall", "mythfrontend"])
+        freePcent = getFreePercentForDir(data_config.MYTHHOME)
+        print "  Home directory percent used: " + str(freePcent * 100) + "%"
+    else:
+        print "    Home directory is less than 90% used. Not clearing MythTV caches."
+    return 0
+
 def optimize():
     try:
         cursor = mythtv.db.cursor()
@@ -60,6 +85,14 @@ def bail_if_another_is_running():
 def run_stuff():
     print "\n%s" %get_timestamp()
     if not subprocess.call(["/usr/bin/python2", "/usr/LH/bin/idle.py"]):
+        if ("--check_home" in sys.argv) or (len(sys.argv) == 1):
+            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 (len(sys.argv) == 1):
             print "\n#######################################"
             print "\n%s Running Optimize" %(get_timestamp())
@@ -96,7 +129,7 @@ while ctin:
     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