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Support autoprobing floating-network-id for openstack cloud provider
Currently if user doesn't specify floatingnetwork-id and loadbalancer.openstack.org/floating-network-id annotation, openstack cloud provider can't create a external LoadBalancer service.
Actually we can get floatingnetwork-id automatically.
If we get multiple floatingnetwork-ids, then ask user to specify one, or we use the floatingnetwork-id to create floatingip for external LoadBalancer service.
This is a part of #50726
**Special notes for your reviewer**:
/assign @dims
**Release note**:
```release-note
Support autoprobing floating-network-id for openstack cloud provider
```
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Make audit batch webhook backend configurable
This PR adds an ability to configure key parameters for the most important audit backend at-scale, so that if the default parameters don't fit and audit events are lost/delayed, it's possible to adjust these parameters to fix the problem. In the future those parameters will stay, but will be used to populate the values for the generic buffering backend, both for webhook and log backends.
/cc @kubernetes/sig-auth-pr-reviews @sttts @tallclair @ericchiang
```release-note
Audit webhook batching parameters are now configurable via command-line flags in the apiserver.
```
ref #54551
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Update kubectl to the stable version
**What this PR does / why we need it**:
Update kubectl to the stable version 1.8.1
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
fixes#54762
**Special notes for your reviewer**:
**Release note**:
```
Update kubectl in the addon-manager to v1.8.4
```
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Extracts Volume Attributes from PV.Annotations
**What this PR does / why we need it**:
This PR fixes an issue with current alpha implementation of CSI that does not pass volume attributes. As a workaround, this PR extracts the volume attributes information from the `PV.Annotations` map during `mounter.SetUpAt` cycle.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#56749
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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CSI - Fix feature gate bug and add bootstrap RBAC rules
**What this PR does / why we need it**:
This PR addresses show-stopper bug https://github.com/kubernetes/kubernetes/issues/56532. It fixes the faulty feature gate logic and adds RBAC rules for kube-controller-manager and kubelet that allows `VolumeAttachment` API operations against the api-server.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#56532, #56667
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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kubeadm: Fix bugs in the codebase related to upgrades/downgrades
**What this PR does / why we need it**:
Fixes bugs related to the upgrade / downgrade paths I found in the codebase
Hides the HighAvailability flag from help text as that feature didn't make it in fully
Fixes some small things in defaulting and the config JSON schema
Fixes a bug when cloud-config is referenced but not mounted into the static pod
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
@kubernetes/sig-cluster-lifecycle-pr-reviews
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Fix for the network partition tests
Fix https://github.com/kubernetes/kubernetes/issues/56416
The underlying issue was that after cluster upgrade, the nodes talk to the master using the in-cluster IP.
The IPTables rules used for blocking were thus far only effective when the nodes used the external network interface.
Reasoning:
api-server.log [from gce upgrade cluster](https://storage.googleapis.com/kubernetes-jenkins/logs/ci-kubernetes-e2e-gce-stable1-beta-upgrade-cluster-new/35/artifacts/bootstrap-e2e-master/kube-apiserver.log)
> I1201 13:56:34.287956 5 wrap.go:42] PATCH /api/v1/nodes/bootstrap-e2e-minion-group-hv6p/status: (18.100082ms) 200 [[node-problem-detector/v1.4.0 (linux/amd64) kubernetes/$Format] **10.128.0.4:53766**]
> I1201 13:56:34.287956 5 wrap.go:42] PATCH /api/v1/nodes/bootstrap-e2e-minion-group-hv6p/status: (18.100082ms) 200 [[node-problem-detector/v1.4.0 (linux/amd64) kubernetes/$Format] **10.128.0.4:53766**]
> I1201 13:56:34.515042 5 wrap.go:42] PATCH /api/v1/nodes/bootstrap-e2e-master/status: (4.327563ms) 200 [[kubelet/v1.9.0 (linux/amd64) kubernetes/e067596] **10.128.0.2:41898**]
api-server.log [from gce serial](https://storage.googleapis.com/kubernetes-jenkins/logs/ci-kubernetes-e2e-gce-cos-k8sbeta-serial/70/artifacts/test-34cf3ed1e3-master/kube-apiserver.log)
> I1201 15:59:46.863961 5 wrap.go:42] GET /api/v1/nodes/test-34cf3ed1e3-minion-group-zr99?resourceVersion=0: (926.753µs) 200 [[kubelet/v1.9.0 (linux/amd64) kubernetes/e067596] **104.154.254.154:40220**]
> I1201 15:59:46.881810 5 wrap.go:42] PATCH /api/v1/nodes/test-34cf3ed1e3-minion-group-zr99/status: (10.157704ms) 200 [[kubelet/v1.9.0 (linux/amd64) kubernetes/e067596] **104.154.254.154:40220**]
The underlying issue is one of cluster setup - but we can make the test more resilient with this change.
cc @krzyzacy @spiffxp @enisoc @jberkus @kubernetes/sig-autoscaling-misc
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Cluster Autoscaler 1.1.0-beta1
This PR will be shortly followed with one updating Cluster Autoscaler to 1.1.0 (final).
```release-note
NONE
```
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Update Dashboard addon to version 1.8.0 and align /ui redirect with it
**What this PR does / why we need it**: In Dashboard 1.8.0 we have introduced a couple of changes (security, settings, new resources etc.) and fixed a lot of bugs. You can check release notes at https://github.com/kubernetes/dashboard/releases/tag/v1.8.0.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
Updated Dashboard add-on to version 1.8.0.
- The Dashboard add-on now deploys with https enabled
- The Dashboard can be accessed via kubectl proxy at http://localhost:8001/api/v1/namespaces/kube-system/services/https:kubernetes-dashboard:/proxy/
- The /ui redirect is deprecated and will be removed in 1.10
```
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AWS: Support for mounting nvme volumes
Supports mounting nvme volumes
Fixes#56155
```release-note
AWS: Detect EBS volumes mounted via NVME and mount them
```
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Return no volume match if prebound PV node affinity doesn't match node
**What this PR does / why we need it**:
VolumeBindingChecker predicate needs to return false for prebound PVs if the NodeAffinity doesn't match the node.
Also fix log formatting in predicate.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#56596
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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fix CreateVolume func: use search mode instead
**What this PR does / why we need it**:
This is a little fall back for CreateVolume func: use search mode for Dedicated kind as @rootfs suggested.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#52396
**Special notes for your reviewer**:
I reference the implmentation of v1.6 in the same CreateVolume func
https://github.com/kubernetes/kubernetes/blob/release-1.6/pkg/cloudprovider/providers/azure/azure_storage.go#L213-L247
**Release note**:
```
fix azure storage account exhausting issue by using azure disk mount
```
/sig azure
@rootfs @feiskyer @karataliu
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MustRunAsNonRoot should reject a pod if it has non-numeric USER
**What this PR does / why we need it**:
This PR modifies kubelet behavior to reject pods with non-numeric USER instead of showing a warning.
**Special notes for your reviewer**:
Related discussion: https://github.com/kubernetes/community/pull/756#discussion_r143694443
**Release note**:
```release-note
kubelet: fix bug where `runAsUser: MustRunAsNonRoot` strategy didn't reject a pod with a non-numeric `USER`.
```
PTAL @pweil- @tallclair @liggitt @Random-Liu
CC @simo5 @adelton
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Add wildcard tolerations to kube-proxy
- Add wildcard tolerations to kube-proxy.
- Add `nvidia.com/gpu` toleration to nvidia-gpu-device-plugin.
Related to #55080 and #44445.
/kind bug
/priority critical-urgent
/sig scheduling
**Release note**:
```release-note
kube-proxy addon tolerates all NoExecute and NoSchedule taints by default.
```
/assign @davidopp @bsalamat @vishh @jiayingz
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add andyzhangx as azure reviewer
**What this PR does / why we need it**:
add andyzhangx as azure reviewer
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```
none
```
/sig azure
/assign @jdumars @brendandburns
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Create volumeMount and hostPath for cloud config file
We have a way to specify the cloudProvider in kubeadm.conf. We also
add `--cloud-config /etc/kubernetes/cloud-config` to both the
kubernetes api server and controller manager yaml files if one exists
on the box. However we fail to make that file available to the
process running in the container. We need to make this `cloud-config`
file available to both processes similar to how controller-manager.conf
is passed to controller manager.
**What this PR does / why we need it**:
Fixes https://github.com/kubernetes/kubeadm/issues/576
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Document None dns policy clearly
**What this PR does / why we need it**:
Needs to indicate that None dns policy is controlled by a feature gate and by alpha. It also needs to note that only 1.9 or later Kubernetes servers will allow the None value.
Needs to be fixed for 1.9 so that public API documentation is correct.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#56399
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Mark v1beta1 NetworkPolicy types as deprecated
**What this PR does / why we need it**:
Deprecates v1beta1 NetworkPolicy in favor of v1. The default storage is now set to v1 in 1.9.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Related #56423
**Special notes for your reviewer**:
**Release note**:
```
deprecate NetworkPolicy v1beta1 API in extensions
```
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Add brackets around IPv6 kube-dns liveness probe addrs
**What this PR does / why we need it**:
Previously, when an IPv6-only Kubernetes cluster was instantiated
via 'kubeadm init ...', the liveness probes that were
configured by kubeadm for kube-dns currently use IP:port
strings of "::1:53" and "::1:10053". These IP:port strings should
instead include brackets around the ::1 IPv6 loopback address, e.g.
"[::1]:53" and "[::1]:10053".
This change adds the necessary brackets around the ::1 IPv6 loopback
address.
Without this change, the kube-dns sidecar container interprets the
bracket-less strings as IPv4 IP:port strings that have too many
colons, and the kube-dns pod is restarted about once every 2 minutes.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#56543
/area ipv6
/sig network
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Do not fake /bin/bash, just use the real bash
**What this PR does / why we need it**:
Looks like 0.6, we ended up with dash as the default shell, with
/bin/sh as well as /bin/dash ending up invoking dash.
We should not change the contract by faking a link to /bin/bash.
Let's install the actual bash package and make sure /bin/sh is
linked to /bin/bash as well.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#55012
**Special notes for your reviewer**:
**Release note**:
```release-note
Fix problem with /bin/bash ending up linked to dash
```
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kubeadm etcd modifying recovery steps
Closes#56499
```release-note
Modifying etcd recovery steps for the case of failed upgrade
```
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e2e: eviction test redirect dd stderr
**What this PR does / why we need it**: Redirects `dd` stderr to /dev/null
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#56234
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Add checking HPA_USE_REST_CLIENTS
Add checking HPA_USE_REST_CLIENTS in addition to ENABLE_METRICS_SERVER when disabling REST clients use for HPA.
```release-note
NONE
```
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Allow config and ignore-preflight to be specified together
In commit 3a0aa06fc9, the flag
was changed from `ignore-checks-errors` to `ignore-preflight-errors`,
but the condition check in ValidateMixedArguments was not updated.
So specifying say `--config kubeadm.conf --ignore-preflight-errors all`
would fail.
**What this PR does / why we need it**:
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes https://github.com/kubernetes/kubeadm/issues/577
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
fluend-gcp already has these tolerations. kube-proxy when it runs as a
static pod gets wildcard `NoExecute` toleration (all static pods get
that). So, added the same toleration to kube-proxy when it runs as a
daemonset. Also added wildcard `NoSchedule` toleration to kube-proxy.
We have a way to specify the cloudProvider in kubeadm.conf. We also
add `--cloud-config /etc/kubernetes/cloud-config` to both the
kubernetes api server and controller manager yaml files if one exists
on the box. However we fail to make that file available to the
process running in the container. We need to make this `cloud-config`
file available to both processes similar to how controller-manager.conf
is passed to controller manager.
It is expected that nodes with extended resources attached will be
tainted with the resouce name, so that we can create dedicated nodes.
If ExtendedResourceToleration admission controller is enabled, pods
requesting such resources will automatically tolerate such taints.
nvidia-gpu-device-plugin daemonset doesn't request such resources but
still needs to run on such nodes, so it needs this toleration.
