update vendor to latest kubernetes 1.14.0

[Madhu-1]

some of the kubernetes independent packages are moved out of the tree to new projects.

Signed-off-by: Madhu Rajanna madhupr007@gmail.com

[humblec]

@Madhu-1 its good to move to latest so, 1.14. But I feel, till we stabilize master with v1.0.0 spec with the merge, we should wait.

[leseb]

Should wait for #297

[Madhu-1]

added DNM label to avoid accidental merging

[Madhu-1]

can you send this PR to master branch? from now onwards we will be using master for csiv1.0 development, Thanks

[Madhu-1]

rebased with master, PTAL

[Madhu-1]

@leseb @ShyamsundarR PTAL

[ShyamsundarR]

@Madhu-1 went through understanding the dependency tree and such, being new to go myself, I have a few questions, which may influence the PR or just be educational for me, hence posting them here to begin with.

• From what I understand tracing one of the dependency that we use (apimachinery) its compatibility statement, states that a version is compatible with exactly that version of kubernetes. Thus, if we move to 1.14 for apimachinery (as done in the change in this PR) what is the guarantee that the built image will work with v1.13 kubernetes?

• client-go seems to have more relaxed compatibility matrix, but also states that APIs that are removed on the server but still present in the client-go libraries would not function as required. So, how do we ensure we use a set of APIs that are supported and continue to be supported across at least kubernetes versions that we want to support.

• A broader question, as we are using kubernetes APIs, and the above compatibility constraints apply afaict, does this mean we need to generate images for different kubernetes versions?

[ShyamsundarR]

Discussed the issue in another forum and figured that kubernetes is backward compatible (at least to an extent) and so we should actually be at deps that are 1.13, in an effort to work against v1.13-15.

I would hence suggest that this change NOT be done at the moment, as we would still need to support kubernetes v1.13.

[humblec]

lgtm. thanks !