Automatic merge from submit-queue

Added RBAC for heapster in kubemark

Fixes #39952 

cc @wojtek-t @gmarek @deads2k

Automatic merge from submit-queue (batch tested with PRs 40008, 40005, 40018)

Fix wrong rename pkg/storage.Is{TestFail -> Conflict}

Automatic merge from submit-queue (batch tested with PRs 40008, 40005, 40018)

genericapiserver: move pkg/auth/handlers into filters

Move authn filters to the other api related filters.

Automatic merge from submit-queue

kubeadm: init must validate or generate token before anything else.

**What this PR does / why we need it**: `kubeadm init` must validate or generate a token before anything else. Otherwise, if token validation or generation fail, one will need to run `kubeadm reset && systemctl restart kubelet` before re-running `kubeadm init`.

**Which issue this PR fixes**: fixes kubernetes/kubeadm#112

**Special notes for your reviewer**: /cc @luxas

Tested manually.

### With no token

```
$ sudo ./kubeadm init
[kubeadm] WARNING: kubeadm is in alpha, please do not use it for production clusters.
[preflight] Running pre-flight checks
[init] Using Kubernetes version: v1.5.2
[token-discovery] A token has not been provided, generating one
[certificates] Generated Certificate Authority key and certificate.
[certificates] Generated API Server key and certificate
[certificates] Generated Service Account signing keys
[certificates] Created keys and certificates in "/etc/kubernetes/pki"
[kubeconfig] Wrote KubeConfig file to disk: "/etc/kubernetes/admin.conf"
[kubeconfig] Wrote KubeConfig file to disk: "/etc/kubernetes/kubelet.conf"
[apiclient] Created API client, waiting for the control plane to become ready
[apiclient] All control plane components are healthy after 7.762803 seconds
[apiclient] Waiting for at least one node to register and become ready
[apiclient] First node is ready after 1.003148 seconds
[apiclient] Creating a test deployment
[apiclient] Test deployment succeeded
[token-discovery] Using token: 8321b6:a535ba541af7623c
[token-discovery] Created the kube-discovery deployment, waiting for it to become ready
[token-discovery] kube-discovery is ready after 1.003423 seconds
[addons] Created essential addon: kube-proxy
[addons] Created essential addon: kube-dns
Your Kubernetes master has initialized successfully!
You should now deploy a pod network to the cluster.
Run "kubectl apply -f [podnetwork].yaml" with one of the options listed at:
    http://kubernetes.io/docs/admin/addons/
You can now join any number of machines by running the following on each node:
kubeadm join --discovery token://8321b6:a535ba541af7623c@10.142.0.6:9898
```

### With invalid token

```
$ sudo ./kubeadm init --discovery token://12345:12345
[kubeadm] WARNING: kubeadm is in alpha, please do not use it for production clusters.
[preflight] Running pre-flight checks
[init] Using Kubernetes version: v1.5.2
[token-discovery] A token has been provided, validating [&{ID:12345 Secret:12345 Addresses:[]}]
token ["12345:12345"] was not of form ["^([a-z0-9]{6})\\:([a-z0-9]{16})$"]
```

### With valid token

```
$ sudo ./kubeadm ex token generate
cd540e:c0e0318e2f4a63b1

$ sudo ./kubeadm init --discovery token://cd540e:c0e0318e2f4a63b1
[kubeadm] WARNING: kubeadm is in alpha, please do not use it for production clusters.
[preflight] Running pre-flight checks
[init] Using Kubernetes version: v1.5.2
[token-discovery] A token has been provided, validating [&{ID:cd540e Secret:c0e0318e2f4a63b1 Addresses:[]}]
[certificates] Generated Certificate Authority key and certificate.
[certificates] Generated API Server key and certificate
[certificates] Generated Service Account signing keys
[certificates] Created keys and certificates in "/etc/kubernetes/pki"
[kubeconfig] Wrote KubeConfig file to disk: "/etc/kubernetes/admin.conf"
[kubeconfig] Wrote KubeConfig file to disk: "/etc/kubernetes/kubelet.conf"
[apiclient] Created API client, waiting for the control plane to become ready
[apiclient] All control plane components are healthy after 13.513305 seconds
[apiclient] Waiting for at least one node to register and become ready
[apiclient] First node is ready after 0.502656 seconds
[apiclient] Creating a test deployment
[apiclient] Test deployment succeeded
[token-discovery] Using token: cd540e:c0e0318e2f4a63b1
[token-discovery] Created the kube-discovery deployment, waiting for it to become ready
[token-discovery] kube-discovery is ready after 2.002457 seconds
[addons] Created essential addon: kube-proxy
[addons] Created essential addon: kube-dns
Your Kubernetes master has initialized successfully!
You should now deploy a pod network to the cluster.
Run "kubectl apply -f [podnetwork].yaml" with one of the options listed at:
    http://kubernetes.io/docs/admin/addons/
You can now join any number of machines by running the following on each node:
kubeadm join --discovery token://cd540e:c0e0318e2f4a63b1@10.142.0.6:9898
```

**Release note**:
```release-note
NONE
```

Automatic merge from submit-queue (batch tested with PRs 39826, 40030)

azure disk: restrict length of name

**What this PR does / why we need it**:
Fixes dynamic disk provisioning on Azure by properly truncating the disk name to conform to the Azure API spec.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
n/a

**Special notes for your reviewer**:
n/a

**Release note**:
```release-note
azure disk: restrict name length for Azure specifications
```

cc: @rootfs

Automatic merge from submit-queue

Made tracing of calls and container lifecycle steps in FakeDockerClient optional

Fixes #39717 

Slightly refactored the FakeDockerClient code and made tracing optional (but enabled by default).

@yujuhong @Random-Liu

Automatic merge from submit-queue

Curating Owners: pkg/volume

cc @jsafrane @spothanis @agonzalezro @justinsb @johscheuer @simonswine @nelcy @pmorie @quofelix @sdminonne @thockin @saad-ali @rootfs

In an effort to expand the existing pool of reviewers and establish a
two-tiered review process (first someone lgtms and then someone
experienced in the project approves), we are adding new reviewers to
existing owners files.


If You Care About the Process:
------------------------------

We did this by algorithmically figuring out who’s contributed code to
the project and in what directories.  Unfortunately, that doesn’t work
well: people that have made mechanical code changes (e.g change the
copyright header across all directories) end up as reviewers in lots of
places.

Instead of using pure commit data, we generated an excessively large
list of reviewers and pruned based on all time commit data, recent
commit data and review data (number of PRs commented on).

At this point we have a decent list of reviewers, but it needs one last
pass for fine tuning.

Also, see https://github.com/kubernetes/contrib/issues/1389.

TLDR:
-----

As an owner of a sig/directory and a leader of the project, here’s what
we need from you:

1. Use PR https://github.com/kubernetes/kubernetes/pull/35715 as an example.

2. The pull-request is made editable, please edit the `OWNERS` file to
remove the names of people that shouldn't be reviewing code in the
future in the **reviewers** section. You probably do NOT need to modify
the **approvers** section. Names asre sorted by relevance, using some
secret statistics.

3. Notify me if you want some OWNERS file to be removed.  Being an
approver or reviewer of a parent directory makes you a reviewer/approver
of the subdirectories too, so not all OWNERS files may be necessary.

4. Please use ALIAS if you want to use the same list of people over and
over again (don't hesitate to ask me for help, or use the pull-request
above as an example)

Automatic merge from submit-queue

OWNERS: Create sig-node alias

Create an alias group for sig-node

This will be used by `pkg/kubelet/OWNERS` and `test/e2e_node/OWNERS`.

**Release note**: NONE

Create an alias group for sig-node

Automatic merge from submit-queue

Enable streaming proxy redirects by default (beta)

Prerequisite to moving CRI to Beta.

I'd like to enable this early in our 1.6 cycle to get plenty of test coverage before release.

@yujuhong @liggitt 

```release-note
Follow redirects for streaming requests (exec/attach/port-forward) in the apiserver by default (alpha -> beta).
```

Automatic merge from submit-queue

Include "ingresses" resource in RBAC bootstrap roles

The bootstrap RBAC roles "admin", "edit", and "view" should all be able to apply their respective access verbs to the "ingresses" resource in order to facilitate both publishing Ingress resources (for
service administrators) and consuming them (for ingress controllers).

Note that I alphabetized the resources listed in the role definitions that I changed to make it easier to decide later where to insert new entries. The original order looked like it may have started out alphabetized, but lost its way. If I missed an intended order there, please advise.

I am uncertain whether this change deserves mention in a release note, given the RBAC feature's alpha state. Regardless, it's possible that a cluster administrator could have been happy with the previous set of permissions afforded by these roles, and would be surprised to discover that bound subjects can now control _Ingress_ resources. However, in order to be afflicted, that administrator would have had to have applied these role definitions again which, if I understand it, would be a deliberate act, as bootstrapping should only occur once in a given cluster.

Automatic merge from submit-queue

Move ObjectMeta into pkg/apis/meta/v1

Where it belongs

Fix broken link to logging documentation

Automatic merge from submit-queue

Curating Owners: examples/mysql-wordpress-pd

cc @jeffmendoza

In an effort to expand the existing pool of reviewers and establish a
two-tiered review process (first someone lgtms and then someone
experienced in the project approves), we are adding new reviewers to
existing owners files.


If You Care About the Process:
------------------------------

We did this by algorithmically figuring out who’s contributed code to
the project and in what directories.  Unfortunately, that doesn’t work
well: people that have made mechanical code changes (e.g change the
copyright header across all directories) end up as reviewers in lots of
places.

Instead of using pure commit data, we generated an excessively large
list of reviewers and pruned based on all time commit data, recent
commit data and review data (number of PRs commented on).

At this point we have a decent list of reviewers, but it needs one last
pass for fine tuning.

Also, see https://github.com/kubernetes/contrib/issues/1389.

TLDR:
-----

As an owner of a sig/directory and a leader of the project, here’s what
we need from you:

1. Use PR https://github.com/kubernetes/kubernetes/pull/35715 as an example.

2. The pull-request is made editable, please edit the `OWNERS` file to
remove the names of people that shouldn't be reviewing code in the
future in the **reviewers** section. You probably do NOT need to modify
the **approvers** section. Names asre sorted by relevance, using some
secret statistics.

3. Notify me if you want some OWNERS file to be removed.  Being an
approver or reviewer of a parent directory makes you a reviewer/approver
of the subdirectories too, so not all OWNERS files may be necessary.

4. Please use ALIAS if you want to use the same list of people over and
over again (don't hesitate to ask me for help, or use the pull-request
above as an example)