* backend/enhanced: start with absolute config path
We recently started normalizing the config path before all "command"
operations, which was necessary for consistency but had unexpected
consequences for remote backend operations, specifically when a vcs root
with a working directory are configured.
This PR de-normalizes the path back to an absolute path.
* Check the error and add a test
It turned out all required logic was already present, so I just needed to add a test for this specific use case.
One of the show json command tests expected no error when presented with
an invalid configuration in a nested module. Modify the test created in
PR #21569 so that it can still verify there is no panic, but now expect
an error from init.
When loading nested modules, the child module diagnostics were dropped
in the recursive function. This mean that the config from the submodules
wasn't fully loaded, even though no errors were reported to the user.
This caused further problems if the plan was stored in a plan file, when
means only the partial configuration was stored for the subsequent apply
operation, which would result in unexplained "Resource node has no
configuration attached" errors later on.
Also due to the child module diagnostics being lost, any newly added
nested modules would be silently ignored until `init` was run again
manually.
If a planned NestingList block value looks like it may represent a
dynamic block, we don't check the length since it may be unknown. This
check was missing in the NestingSet case, but it applies for the same
reason.
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The function would previously panic when one or more null values were among the arguments.
The new behavior treats nulls as empty strings, therefore, it removes them.
An ssh server should always send a reply packet to the keepalive
request. If we miss those replies for over 2min, consider the connection
dead and abort, rather than block the provisioner indefinitely.
cgriggs01