Add support for hostPath and configMap subpath usage

[cdoern]

podman play kube now supports and has tests for the subpath field when using a hostPath volume type and a configMap volume type. The hostpath works similarly to the named volume, allowing a user to specify a whole directory but also a specific file or subdir within that mount. Config Maps operate the same way but specifically allow users to mount specific data in a subpath alongside the existing data

resolves #16828

Signed-off-by: Charlie Doern [email protected]

Does this PR introduce a user-facing change?

podman play kube can now handle subpaths when using configmap and hostpath volume types

[cdoern]

@containers/podman-maintainers PTAL, something seems to be wrong with kube generation where host path volumes render the entire FS inaccessible on CI. These tests work normally on my machines but fail here except for the containerized tests.

[rhatdan]

LGTM
@containers/podman-desktop-maintainers PTAL

[rhatdan]

@mheon Any ideas on @cdoern comment?

[rhatdan]

@umohnani8 PTAL

[TomSweeneyRedHat]

@cdoern the tests look happy now, were you running into issue elsewhere? The changes look reasonable to me, but I'd like a head nod from @umohnani8

[umohnani8]

/lgtm
/approve

[openshift-ci]

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This pull-request has been approved by: cdoern, umohnani8

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