Split mutable and read-only access to feature gates, limit tests to readonly access

Fix golint verify errors.

Fix bug: when kubelet restart, the ephemeral-storage in node status upgrade to 0

Add import restrictions for csi-api

unstructured: return not-found if intermediate path is not found

Clarified syntax doc on --watch-cache-sizes

fix error type when using activeDeadlineSeconds with RS/RC

use glog.info instead glog.infof when no var 

update logic of adding default DS pod tolerations

tests: Fixes wrong Pod Container Image usage in test/e2e/apps

CSI v1 leftovers

Refactor status PrepareForUpdate into standalone method

e2e/framework: capture logs only from pods that actually started

Fix unit test to run with random UID

Bump k8s.io/uitls to 8e7ff06

kubeadm: remove leftover DynamicKubeletConfig constant

tests: Checks for Windows permissions as well

remove duplicated import

Remove test/images/* from hack/.golint_failures

Fix panic in attachDetachController

Scheduler internal NodeTree thread-safe NumNodes

Update Calico to v3.3.1

GlusterFS: Move GetVolumeName() to unimplemented func.

Fix the service_controller test cases and some syntax errors

delete new defined para name in fc volume

Introduce NodeKiller -- a utility to simulate node failures in e2e tests

add check `attachableVolumePlugin == nil` to operationGenerator.GenerateDetachVolumeFunc()

add ability to close connection for serve-host

fix golint problem of volume cephfs/iscsi/nfs

simplify logic for func BuildArgumentListFromMap

Reduce logspam for crash looping containers

use subtest for table units (pkg/scheduler/api/validation)

- update DS pod default tolerations: add PIDPressure, remove OutOfDisk
- remove useless tolerations testcases

pkg/controller: add SIG label to OWNERS

Fix some typos

Add license header to non-generated proto files

fix aws provider to handle only EBS volumes

testservers: return Run method errors correctly

Lookup PX api port from k8s service