69 lines
2.2 KiB
Python
69 lines
2.2 KiB
Python
#!/usr/bin/python3
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import os
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import sys
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import shutil
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import ogGlobals
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import SystemLib
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import CacheLib
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#/**
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# updateBootCache
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#@brief acelerador arranque pxe. incorpora a la cache el initrd y el kernel.
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#@param 1
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#@param ejemplo:
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#@return
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#@exception OG_ERR_NOTCACHE # 15 si cache no existe 15
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#@exception OG_ERR_NOTFOUND=2 # Fichero o dispositivo no encontrado.
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#@note
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#@todo:
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#*/ ##
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oglivedir = os.environ.get ('oglivedir', 'ogLive')
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ogbtftp = f'/opt/oglive/tftpboot/{oglivedir}'
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ogbcache = f'{ogGlobals.OGCAC}/boot/{oglivedir}'
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#control de errores
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if not os.path.isdir (ogbtftp):
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SystemLib.ogRaiseError ([], ogGlobals.OG_ERR_NOTFOUND, ogbtftp)
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os.exit (1)
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if not CacheLib.ogMountCache():
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SystemLib.ogRaiseError ([], ogGlobals.OG_ERR_NOTCACHE, 'CACHE')
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os.exit (1)
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os.makedirs (ogbcache, exist_ok=True)
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servervmlinuz = serverinitrd = cachevmlinuz = cacheinitrd = ''
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# comparamos los del server
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if os.path.exists (f'{ogbtftp}/ogvmlinuz.sum'):
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with open (f'{ogbtftp}/ogvmlinuz.sum', 'r') as fd: servervmlinuz = fd.read().strip()
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if os.path.exists (f'{ogbtftp}/oginitrd.img.sum'):
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with open (f'{ogbtftp}/oginitrd.img.sum', 'r') as fd: serverinitrd = fd.read().strip()
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#comparamos los de la cache
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if os.path.exists (f'{ogbcache}/ogvmlinuz.sum'):
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with open (f'{ogbcache}/ogvmlinuz.sum', 'r') as fd: cachevmlinuz = fd.read().strip()
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if os.path.exists (f'{ogbcache}/oginitrd.img.sum'):
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with open (f'{ogbcache}/oginitrd.img.sum', 'r') as fd: cacheinitrd = fd.read().strip()
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print (f'MD5 on SERVER: {servervmlinuz} {serverinitrd}')
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print (f'MD5 on CACHE: {cachevmlinuz} {cacheinitrd}')
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do_reboot = ''
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if cachevmlinuz != servervmlinuz:
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print ('ogvmlinuz updating')
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shutil.copy2 (f'{ogbtftp}/ogvmlinuz', f'{ogbcache}/ogvmlinuz')
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shutil.copy2 (f'{ogbtftp}/ogvmlinuz.sum', f'{ogbcache}/ogvmlinuz.sum')
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do_reboot = 'true'
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if cacheinitrd != serverinitrd:
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print ('oginitrd updating')
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shutil.copy2 (f'{ogbtftp}/oginitrd.img', f'{ogbcache}/oginitrd.img')
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shutil.copy2 (f'{ogbtftp}/oginitrd.img.sum', f'{ogbcache}/oginitrd.img.sum')
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do_reboot = 'true'
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print (do_reboot)
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sys.exit (0)
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