Add soft warning log line when using liberasurecode <1.3.1
To apply the fix for a liberasurecode issue [1], we need hard depencency of liberasurecode requires >=1.3.1. However current binary dependency maintainance tool "bindep" works only for packagers' repository. (i.e. it refers the version of apt/yum/etc...) And nothing is cared for the binary built from source. This patch provides a way to detect incompatible liberasurecode and makes a warning log line to syslog which suggest "you're using older liberasurecode which will be deprecated, please upgrade it". NOTE: - This dependency managemnet depends on erasurecode_version.h header file in liberasurecode. i.e. it cannot care of overwritten .so library after PyECLib built once. Partial-Bug: #1639691 1: Icee788a0931fe692fe0de31fabc4ba450e338a87 Change-Id: Ice5e96f0a59096cc9067823f0d62d6c7065ed62f
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@ -28,6 +28,12 @@ from .utils import create_instance
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from .utils import positive_int_value
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from pyeclib_c import get_liberasurecode_version
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import logging
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from logging.handlers import SysLogHandler
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logger = logging.getLogger('pyeclib')
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syslog_handler = SysLogHandler()
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logger.addHandler(syslog_handler)
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def check_backend_available(backend_name):
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try:
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@ -527,6 +533,18 @@ def _liberasurecode_version():
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minor = str(int(version_hex_str[-4:-2]))
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rev = str(int(version_hex_str[-2:]))
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version_str = '.'.join([major, minor, rev])
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# liberasurecode < 1.3.1 should be incompatible but
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# just warn until packagers build the required version
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# See https://bugs.launchpad.net/swift/+bug/1639691 in detail
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required_version = ((1 << 16) + (3 << 8) + 1)
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if version_int < required_version:
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logger.warning(
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'DEPRECATED WARNING: your liberasurecode '
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'%s will be deprecated in the near future because of the issue '
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'https://bugs.launchpad.net/swift/+bug/1639691; '
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'Please upgrade to >=1.3.1 and rebuild pyeclib to suppress '
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'this message' % version_str)
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return version_str
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LIBERASURECODE_VERSION = _liberasurecode_version()
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