forked from pool/cloud-init
36 lines
1.4 KiB
Diff
36 lines
1.4 KiB
Diff
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--- cloudinit/cmd/main.py.orig
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+++ cloudinit/cmd/main.py
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@@ -210,6 +210,24 @@ def attempt_cmdline_url(path, network=Tr
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"wrote cloud-config data from %s='%s' to %s" %
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(cmdline_name, url, path))
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+def cache_pyver_maybe_purge_cache(init):
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+ """Check if the Python version changed on us"""
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+ pyver = '%d.%d' % (sys.version_info.major, sys.version_info.minor)
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+ pyrefver = os.path.join(init.paths.get_cpath('data'), 'python-version')
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+ if os.path.exists(pyrefver):
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+ cached_pyver = open(pyrefver).read()
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+ # The Python version has changed out from under us, anything that was
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+ # pickled previously is likely useless due to API changes.
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+ if cached_pyver != pyver:
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+ LOG.debug('Python version change detected purging cache')
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+ init.purge_cache(True)
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+ else:
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+ LOG.debug(
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+ 'Could not determine Python version used to write cache, purging'
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+ )
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+ init.purge_cache(True)
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+ util.write_file(pyrefver, pyver)
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+
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def main_init(name, args):
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deps = [sources.DEP_FILESYSTEM, sources.DEP_NETWORK]
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@@ -277,6 +295,7 @@ def main_init(name, args):
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util.logexc(LOG, "Failed to initialize, likely bad things to come!")
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# Stage 4
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path_helper = init.paths
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+ cache_pyver_maybe_purge_cache(init)
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mode = sources.DSMODE_LOCAL if args.local else sources.DSMODE_NETWORK
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if mode == sources.DSMODE_NETWORK:
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