This synchronizes the build rules with other repos and (as part of
that) bumps the Go version to 1.11.1. The recommended formatting
changed slightly in that Go version.
This PR adds new reserved prefixed parameter keys which are stripped
out of parameter list, and adds deprecation notice for old keys and
keep their behavior the same.
```
csiParameterPrefix = "csi.storage.k8s.io/"
prefixedSnapshotterSecretNameKey = csiParameterPrefix + "snapshotter-secret-name"
prefixedSnapshotterSecretNamespaceKey = csiParameterPrefix + "snapshotter-secret-namespace"
```
This PR adds a Finalizer for VolumeSnapshotContent.
If the VolumeSnapshotContent is bound to a VolumeSnapshot,
the VolumeSnapshotContent is being used and cannot be
deleted.
This PR also adds a Finalizer for VolumeSnapshot.
If a volume is being created from the snapshot,
the VolumeSnapshot is being used and cannot be deleted.
If content name is already in snapshot object, just use it.
This may be the case for static provisioning. Otherwise construct
new name for content for dynamic provisioning.
