Validate build hash in handshake#65732
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There is no guarantee of wire compatibility between nodes running different builds of the same version, but today we do not validate whether two communicating nodes are compatible or not. This results in confusing failures that look like serialization bugs, and it usually takes nontrivial effort to determine that the failure is in fact due to the user running incompatible builds. This commit adds the build hash to the transport service handshake and validates that matching versions have matching build hashes. Closes elastic#65249
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There is no guarantee of wire compatibility between nodes running different builds of the same version, but today we do not validate whether two communicating nodes are compatible or not. This results in confusing failures that look like serialization bugs, and it usually takes nontrivial effort to determine that the failure is in fact due to the user running incompatible builds. This commit adds the build hash to the transport service handshake and validates that matching versions have matching build hashes. Closes #65249 Backport of #65732
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There is no guarantee of wire compatibility between nodes running
different builds of the same version, but today we do not validate
whether two communicating nodes are compatible or not. This results in
confusing failures that look like serialization bugs, and it usually
takes nontrivial effort to determine that the failure is in fact due to
the user running incompatible builds.
This commit adds the build hash to the transport service handshake and
validates that matching versions have matching build hashes.
Closes #65249