Automatic merge from submit-queue (batch tested with PRs 51707, 51662, 51723, 50163, 51633)
Change SizeLimit to a pointer
This PR fixes issue #50121
```release-note
The `emptyDir.sizeLimit` field is now correctly omitted from API requests and responses when unset.
```
Automatic merge from submit-queue
Add local ephemeral storage support in LimitRange
**Special notes for your reviewer**:
For a single local ephemeral storage resource
xref #43607
**Release note**:
```release-note
Add local ephemeral storage support to LimitRange
```
/assign @jingxu97
cc @ddysher
Automatic merge from submit-queue (batch tested with PRs 51425, 51404, 51459, 51504, 51488)
Remove previous local storage resource name 'scratch" and "overlay"
Remove previous local storage resource name 'scratch" and "overlay"
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: part of #50818
**Special notes for your reviewer**:
Now local ephemeral storage resource name is "ResourceEphemeralStorage", remove previous names as @vishh suggested in PR #51070
**Release note**:
```release-note
Remove previous local ephemeral storage resource names: "ResourceStorageOverlay" and "ResourceStorageScratch"
```
Automatic merge from submit-queue (batch tested with PRs 50919, 51410, 50099, 51300, 50296)
Remove failure policy from initializer configuration
A few reasons:
* Implementing fail open initializers increases complexity a lot
* We haven't seen strong use cases
* We can always add it back
Automatic merge from submit-queue (batch tested with PRs 50919, 51410, 50099, 51300, 50296)
Take mount options to GA by adding PV.spec.mountOptions
**What this PR does / why we need it**: Implements https://github.com/kubernetes/community/pull/771
issue: https://github.com/kubernetes/features/issues/168
**Special notes for your reviewer**:
TODO:
- ~StorageClass mountOptions~
As described in proposal, this adds PV.spec.mountOptions + mountOptions parameter to every plugin that is both provisionable & supports mount options.
(personally, even having done all the work already, i don't agree w/ the proposal that mountOptions should be SC parameter but... :))
**Release note**:
```release-note
Add mount options field to PersistentVolume spec
```
Automatic merge from submit-queue (batch tested with PRs 51471, 50561, 50435, 51473, 51436)
Add local storage to downwards API
**Release note**:
```release-note
Add local ephemeral storage to downward API
```
/assign @NickrenREN
Automatic merge from submit-queue (batch tested with PRs 50932, 49610, 51312, 51415, 50705)
Add local storage support in Quota
Add local storage(scratch, overlay) support in quota
**Release note**:
```release-note
Add local ephemeral storage support to Quota
```
/cc @ddysher @jingxu97
Automatic merge from submit-queue (batch tested with PRs 49861, 50933, 51380, 50688, 51305)
fix v1 validation return error
**What this PR does / why we need it**:
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#51304
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue
Remove null -> [] slice hack
Closes#44593
When 1.6 added protobuf storage, the storage layer lost the ability to persist slice fields with empty but non-null values.
As a workaround, we tried to convert empty slice fields to `[]`, rather than `null`. Compressing `null` -> `[]` was just as much of an API breakage as `[]` -> `null`, but was hoped to cause fewer problems in clients that don't do null checks.
Because of conversion optimizations around converting lists of objects, the `null` -> `[]` hack was discovered to only apply to individual get requests, not to a list of objects. 1.6 and 1.7 was released with this behavior, and the world didn't explode. 1.7 documented the breaking API change that `null` and `[]` should be considered equivalent, unless otherwise noted on a particular field.
This PR:
* Reverts the earlier attempt (https://github.com/kubernetes/kubernetes/pull/43422) at ensuring non-null json slice output in conversion
* Makes results of `get` consistent with the results of `list` (which helps naive clients that do deepequal comparisons of objects obtained via list/watch and get), and allows empty slice fields to be returned as `null`
```release-note
Protobuf serialization does not distinguish between `[]` and `null`.
API fields previously capable of storing and returning either `[]` and `null` via JSON API requests (for example, the Endpoints `subsets` field) can now store only `null` when created using the protobuf content-type or stored in etcd using protobuf serialization (the default in 1.6+). JSON API clients should tolerate `null` values for such fields, and treat `null` and `[]` as equivalent in meaning unless specifically documented otherwise for a particular field.
```
Automatic merge from submit-queue (batch tested with PRs 50889, 51347, 50582, 51297, 51264)
support fieldSelector spec.schedulerName
**What this PR does / why we need it**:
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#49190
**Special notes for your reviewer**:
/assign @davidopp @bsalamat
/cc @lavalamp
**Release note**:
```release-note
add fieldSelector spec.schedulerName
```
Automatic merge from submit-queue (batch tested with PRs 50889, 51347, 50582, 51297, 51264)
Change eviction manager to manage one single local storage resource
**What this PR does / why we need it**:
We decided to manage one single resource name, eviction policy should be modified too.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: part of #50818
**Special notes for your reviewer**:
**Release note**:
```release-note
Change eviction manager to manage one single local ephemeral storage resource
```
/assign @jingxu97
Automatic merge from submit-queue (batch tested with PRs 49850, 47782, 50595, 50730, 51341)
Paramaterize `stickyMaxAgeMinutes` for service in API
**What this PR does / why we need it**:
Currently I find `stickyMaxAgeMinutes` for a session affinity type service is hard code to 180min. There is a TODO comment, see
https://github.com/kubernetes/kubernetes/blob/master/pkg/proxy/iptables/proxier.go#L205
I think the seesion sticky max time varies from service to service and users may not aware of it since it's hard coded in all proxier.go - iptables, userspace and winuserspace.
Once we parameterize it in API, users can set/get the values for their different services.
Perhaps, we can introduce a new field `api.ClientIPAffinityConfig` in `api.ServiceSpec`.
There is an initial discussion about it in sig-network group. See,
https://groups.google.com/forum/#!topic/kubernetes-sig-network/i-LkeHrjs80
**Which issue this PR fixes**:
fixes#49831
**Special notes for your reviewer**:
**Release note**:
```release-note
Paramaterize session affinity timeout seconds in service API for Client IP based session affinity.
```
Automatic merge from submit-queue (batch tested with PRs 51038, 50063, 51257, 47171, 51143)
Fix validation return value
Errors returned by some validation functions may be wrong
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#51256
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 50033, 49988, 51132, 49674, 51207)
Add IPBlock to Network Policy
**What this PR does / why we need it**:
Add ipBlockRule to NetworkPolicyPeer.
**Which issue this PR fixes**
fixes#49978
**Special notes for your reviewer**:
- I added this directly as a field on the existing API per guidance from API-Machinery/lazy SIG-Network consensus.
Todo:
- [ ] Documentation comments to mention this is beta, unless we want to go straight to GA
- [ ] e2e tests
**Release note**:
```
Support ipBlock in NetworkPolicy
```
Automatic merge from submit-queue (batch tested with PRs 51114, 51233, 51024, 51053, 51197)
default field selectors
We have a lot of code around field selectors that doesn't add much value. Every gettable resources probably wants name and namespace by default and since they all use metav1 (today), we can assign that as a default. If we think we'll always have metav1 style name and namespace, then this makes a reasonable default and you can always set something different.
This removes cruft and avoids the risk of accidentally forgetting a field selector.
@kubernetes/sig-api-machinery-misc @smarterclayton
Automatic merge from submit-queue (batch tested with PRs 50213, 50707, 49502, 51230, 50848)
Refactor CephFS PV spec
**What this PR does / why we need it**:
refactor CephFS Volume Persistent Volume Spec so CephFS PV's SecretRef allows referencing a secret from a persistent volume in any namespace. This allows locating credentials for persistent volumes in namespaces other than the one containing the PVC.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes https://github.com/kubernetes-incubator/external-storage/issues/309
**Special notes for your reviewer**:
@kubernetes/sig-storage-api-reviews
**Release note**:
```release-note
Allow CephFS PV to specify a namespace for secret
```
Automatic merge from submit-queue
fix fuzzer for hostpath type that the path can be an empty string
**What this PR does / why we need it**:
It seems the path of `HostPath` generated by fuzzer can be an empty string. This is causing [pull-kubernetes-unit](https://k8s-gubernator.appspot.com/builds/kubernetes-jenkins/pr-logs/directory/pull-kubernetes-unit) failing.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#51260
**Special notes for your reviewer**:
/assign @thockin @luxas @ixdy
**Release note**:
```release-note
None
```
Automatic merge from submit-queue (batch tested with PRs 51113, 46597, 50397, 51052, 51166)
implement proposal 34058: hostPath volume type
**What this PR does / why we need it**:
implement proposal #34058
**Which issue this PR fixes** : fixes#46549
**Special notes for your reviewer**:
cc @thockin @luxas @euank PTAL
Automatic merge from submit-queue
Support HostAlias for HostNetwork Pods
**What this PR does / why we need it**: Currently, HostAlias does not support HostNetwork pods because historically, kubelet only manages hosts file for non-HostNetwork pods. With the recent change in https://github.com/kubernetes/kubernetes/pull/49140, kubelet now manages hosts file for all Pods, which enables HostAlias support also.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#48398
**Special notes for your reviewer**: might be easier to review commit-by-commit
**Release note**:
```release-note
HostAlias is now supported for both non-HostNetwork Pods and HostNetwork Pods.
```
@yujuhong @hongchaodeng @thockin
Automatic merge from submit-queue (batch tested with PRs 50489, 51070, 51011, 51022, 51141)
Add ephemeral local storage resource name first
Since finally decided the ephemeral local storage resource name, send this PR to add the resource name first, and then i will rebase all my PRs about local storage isolation
**Special notes for your reviewer**:
related to: #50818
**Release note**:
```release-note
NONE
```
/assign @jingxu97
Automatic merge from submit-queue (batch tested with PRs 51047, 48573, 50764, 51092, 50578)
Replace validateGlusterfs() with validateGlusterfsVolumeSource() for consistency.
