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* Fix unchecked type assertion panic in ChangeImageNameAction
replaceImageName reads a restored container's image field out of the
unstructured object and asserts it to string without checking ok. The
comma-ok map lookup on the line above only confirms the "image" key is
present -- it says nothing about the value's type. A restored resource
whose image field is present but not a JSON string (e.g. a number,
bool, null, array, or object) causes an unrecovered
"interface conversion: interface {} is not string" panic in this
RestoreItemAction plugin whenever the optional image-remapping
ConfigMap feature is configured.
Switch to the comma-ok form of the assertion and skip (with a log
message) any container whose image field isn't a string, instead of
panicking.
Signed-off-by: Kaizhe Huang <derek0405@gmail.com>
* Add regression test for non-string image field panic
Covers the comma-ok assertion fix: replaceImageName operates on
generic unstructured content decoded from a backup tarball, which
isn't validated against the Pod schema before this code runs, so
"image" isn't guaranteed to be a string.
Signed-off-by: Kaizhe Huang <derek0405@gmail.com>
* Guard container-entry type assertion, use unstructured.NestedString
Addresses reviewer feedback: container.(map[string]any) was also an
unchecked assertion, and unstructured.NestedString gives safer,
more idiomatic type-checking than a manual comma-ok assertion. Also
switches the skip-path logging from Info to Warn per review.
Signed-off-by: Kaizhe Huang <derek0405@gmail.com>
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Signed-off-by: Kaizhe Huang <derek0405@gmail.com>