def _autoRecover(self):
"""
private method to recover the right cache.dat based on the patch
installed in the running VistA instance.
"""
from GitUtils import getCommitInfo
mExtractConfig = self._config['M_Extract']
mRepo = mExtractConfig['M_repo']
mRepoBranch = mExtractConfig.get('M_repo_branch', None)
if not mRepoBranch:
mRepoBranch = 'master' # default is the master branch
commitInfo = getCommitInfo(mRepo, mRepoBranch)
if not commitInfo:
logger.error("Can not read commit info from %s branch %s" % (mRepo,
mRepoBranch))
return -1
logger.debug(commitInfo)
""" convert datetime to VistA T- format """
from datetime import datetime
commitDate = datetime.fromtimestamp(int(commitInfo['%ct']))
timeDiff = datetime.now() - commitDate
days = timeDiff.days + 30 # extra 30 days
logger.debug("Totol dates to query is %s" % days)
installNames = None
idx = commitInfo['%s'].find('Install: ')
if idx >= 0:
installNames = commitInfo['%s'][len('Install: '):].split(', ')
logger.info("installNames is %s" % installNames)
if installNames is None:
logger.error("Can not find patch installed after")
return -1
""" check to see what and when is the last patch installed """
testClient = self._createTestClient()
""" make sure cache instance is up and running """
startCache(self._instance, self._useSudo)
with testClient:
patchInfoFetch = VistAPackageInfoFetcher(testClient)
output = patchInfoFetch.getAllPatchInstalledAfterByTime("T-%s" % days)
if not output: # must be an error or something, skip backup
logger.error("Can not get patch installation information from VistA")
return -1
logger.debug(output)
""" logic to check if we need to recover from cache backup data """
found = False
for idx in xrange(0,len(output)):
if output[idx][0] == installNames[-1]:
found = True
break
if found and idx == len(output) - 1:
""" last patch is the same as last in the commit """
logger.info("No need to recover.")
return 0
if not found or idx < len(output) - 1:
""" check to see if cache.dat exist in the backup dir"""
backupConfig = self._config.get('Backup')
backupDir = backupConfig['backup_dir']
if not os.path.exists(backupDir):
logger.error("%s does not exist" % backupDir)
return -4
cacheDir = backupConfig['cache_dat_dir']
origDir = os.path.join(cacheDir, "CACHE.DAT")
""" identify the exists of backup file in the right format """
commitHash = commitInfo['%H']
cacheBackupFile = os.path.join(backupDir,
getCacheBackupNameByHash(commitHash))
if not os.path.exists(cacheBackupFile):
logger.error("backup file %s does not exist" % cacheBackupFile)
return -5
logger.info("Need to restore from backup data %s" % cacheBackupFile)
restoreCacheData(self._instance, cacheBackupFile,
cacheDir, self._useSudo)
startCache(self._instance, self._useSudo)
return 0
return -1
def _autoRecover(self):
"""
private method to recover the right cache.dat based on the patch
installed in the running VistA instance.
"""
from GitUtils import getCommitInfo
mExtractConfig = self._config['M_Extract']
mRepo = mExtractConfig['M_repo']
mRepoBranch = mExtractConfig.get('M_repo_branch', None)
if not mRepoBranch:
mRepoBranch = 'master' # default is the master branch
commitInfo = getCommitInfo(mRepo, mRepoBranch)
if not commitInfo:
logger.error("Can not read commit info from %s branch %s" %
(mRepo, mRepoBranch))
return -1
logger.debug(commitInfo)
""" convert datetime to VistA T- format """
from datetime import datetime
commitDate = datetime.fromtimestamp(int(commitInfo['%ct']))
timeDiff = datetime.now() - commitDate
days = timeDiff.days + 30 # extra 30 days
logger.debug("Totol dates to query is %s" % days)
installNames = None
idx = commitInfo['%s'].find('Install: ')
if idx >= 0:
installNames = commitInfo['%s'][len('Install: '):].split(', ')
logger.info("installNames is %s" % installNames)
if installNames is None:
logger.error("Can not find patch installed after")
return -1
""" check to see what and when is the last patch installed """
testClient = self._createTestClient()
""" make sure cache instance is up and running """
startCache(self._instance, self._useSudo)
with testClient:
patchInfoFetch = VistAPackageInfoFetcher(testClient)
output = patchInfoFetch.getAllPatchInstalledAfterByTime("T-%s" %
days)
if not output: # must be an error or something, skip backup
logger.error(
"Can not get patch installation information from VistA")
return -1
logger.debug(output)
""" logic to check if we need to recover from cache backup data """
found = False
for idx in xrange(0, len(output)):
if output[idx][0] == installNames[-1]:
found = True
break
if found and idx == len(output) - 1:
""" last patch is the same as last in the commit """
logger.info("No need to recover.")
return 0
if not found or idx < len(output) - 1:
""" check to see if cache.dat exist in the backup dir"""
backupConfig = self._config.get('Backup')
backupDir = backupConfig['backup_dir']
if not os.path.exists(backupDir):
logger.error("%s does not exist" % backupDir)
return -4
cacheDir = backupConfig['cache_dat_dir']
origDir = os.path.join(cacheDir, "CACHE.DAT")
""" identify the exists of backup file in the right format """
commitHash = commitInfo['%H']
cacheBackupFile = os.path.join(
backupDir, getCacheBackupNameByHash(commitHash))
if not os.path.exists(cacheBackupFile):
logger.error("backup file %s does not exist" % cacheBackupFile)
return -5
logger.info("Need to restore from backup data %s" %
cacheBackupFile)
restoreCacheData(self._instance, cacheBackupFile, cacheDir,
self._useSudo)
startCache(self._instance, self._useSudo)
return 0
return -1
