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ensure compare script cannot divide by 0 and skips when inline finds nothing (#275)

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Signed-off-by: Alex Goodman <alex.goodman@anchore.com>
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Alex Goodman 2021-04-01 17:37:41 -04:00 committed by GitHub
parent ebe1371d47
commit a000a69b84
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 17 additions and 8 deletions
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25
test/inline-compare/compare.py
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@ -187,14 +187,20 @@ def main(image):
print(colors.bold + colors.fg.red + "inline found no packages!", colors.reset)
return 1
if len(grype_vulnerabilities) == 0 and len(inline_vulnerabilities) == 0:
print(colors.bold+"nobody found any vulnerabilities", colors.reset)
if len(inline_vulnerabilities) == 0:
if len(grype_vulnerabilities) == 0:
print(colors.bold+"nobody found any vulnerabilities", colors.reset)
return 0
print(colors.bold+"inline does not have any vulnerabilities to compare to", colors.reset)
return 0
same_vulnerabilities = grype_vulnerabilities & inline_vulnerabilities
percent_overlap_vulnerabilities = (
float(len(same_vulnerabilities)) / float(len(inline_vulnerabilities))
) * 100.0
if len(inline_vulnerabilities) == 0:
percent_overlap_vulnerabilities = 0
else:
percent_overlap_vulnerabilities = (
float(len(same_vulnerabilities)) / float(len(inline_vulnerabilities))
) * 100.0
bonus_vulnerabilities = grype_vulnerabilities - inline_vulnerabilities
missing_vulnerabilities = inline_vulnerabilities - grype_vulnerabilities
@ -213,9 +219,12 @@ def main(image):
same_metadata = grype_overlap_metadata_set & inline_metadata_set
missing_metadata = inline_metadata_set - same_metadata
percent_overlap_metadata = (
float(len(same_metadata)) / float(len(inline_metadata_set))
) * 100.0
if len(inline_metadata_set) == 0:
percent_overlap_metadata = 0
else:
percent_overlap_metadata = (
float(len(same_metadata)) / float(len(inline_metadata_set))
) * 100.0
if len(bonus_vulnerabilities) > 0:
rows = []