This adds context to all the relevant cloud provider interface signatures.
Callers of those APIs are currently satisfied using context.TODO().
There will be follow on PRs to push the context through the stack.
For an idea of the full scope of this change please look at PR #58532.
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Clarify that ListOptions.Timeout is not conditional on inactivity
**What this PR does / why we need it**:
Clarifies the meaning of the `Timeout` field of a `ListOptions`, because the name and existing description can reasonably be interpreted to mean something divergent from the actual behavior.
**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#58558
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
With IPv4, the node CIDR prefix is set to /24, which gives 256 pods per node
and 256 nodes, when assuming a /16 is used for the pod subnet.
For IPv6, the node CIDR prefix, is hard coded to /64. This does not work,
because currently the pod subnet prefix must be /66 or higher and must be a
larger subnet (lower value) than the node CIDR prefix.
In addition, the bit mask used to track the subnets (implying the number of
nodes), can only handle 64K entries, so the difference between pod subnet
prefix and node CIDR prefix cannot be more than 16 (bits). The node CIDR
value needs to support this restriction.
To address this, the following algorithm is proposed...
For pod subnet prefixes of /113 or smaller, the remaining bits will be used
for the node CIDR, in multiples of 8, and 9-16 bits will be reserved for the
nodes, so that there are 512-64K nodes and 256, 512, 768, ... pods/node.
For example, with a pod network of /111, there will be 17 bits available. This
would give 8 bits for pods per node and 9 bits for nodes. The node CIDR would
be /120. For a pod network of /104, there will be 24 bits available. There will
be 8 bits for nodes, and 16 bits for pods/node, using a /112 node CIDR.
If the pod subnet prefix is /112, then the node CIDR will be set to /120, and
256 nodes and 256 pods/node will be available.
If the subnet prefix is /113 to /128, we don't have enough bits and will set
the node CIDR prefix to be the same as the pod subnet prefix. This will cause
a falure later, when it tests that the pod subnet prefix is larger than the
node CIDR prefix.
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Proposal: Use `blkid` to detect fs type of device instead of `lsblk`.
**What this PR does / why we need it**:
Use `blkid` to detect fs type of device instead of `lsblk`.
`lsblk` depends on `udev`, and device driver's udev rules. If udev rules are not installed properly, `lsblk` could not get fs type of disk. This will cause problems, e.g. expanding volume will fail because it could not detect fs type of disk.
Take `rbd` as example, `lsblk -n -o FSTYPE /dev/rbd0` command actually read fs type from `/run/udev/data/b252:0` (may vary on different machines, see real file from `strace lsblk -n -o FSTYPE /dev/rbd0` ).
This file `/run/udev/data/b252:0` is generated by `udev` and device driver's udev files. If machine don't have `/lib/udev/rules.d/60-ceph-by-parttypeuuid.rules` udev rule file installed (this file is from `ceph-osd` package on ubuntu), it will not be properly generated, e.g:
```
# cat /run/udev/data/b251:0
S:rbd/<pool>/<image>
I:13234059587579
E:ID_FS_TYPE=
E:net.ifnames=0
G:systemd
```
`lsblk -n -o FSTYPE /dev/rbd0` will get empty fs type.
[60-ceph-by-parttypeuuid.rules](https://github.com/ceph/ceph/blob/v13.0.0/udev/60-ceph-by-parttypeuuid.rules) is udev rule, which underlyingly runs `blkid` commands to get infos of device, then store them in udev file.
If we use `blkid` to get fs type, kubelet volume manager will not depend on `udev` stuffs. Currently, if kubelet node does not have `60-ceph-by-parttypeuuid.rules` installed (from `ceph-osd` package), it will fail to get fs type of rbd image. Even administrator install `ceph-osd` later, it can not get fs type of previous mapped images (udev data files not be to updated automatically).
**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**:
`udevadm test` logs:
- Ubuntu 16.04 (ceph-common installed), without ceph-osd: [without-ceph-osd.log](https://github.com/kubernetes/kubernetes/files/1678512/without-ceph-osd.log)
- Ubuntu 16.04 (ceph-common installed), with ceph-osd: [with-ceph-osd.log](https://github.com/kubernetes/kubernetes/files/1678509/with-ceph-osd.log)
**Release note**:
```release-note
NONE
```
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fix apply --force w/ invalid resource
Fixes https://github.com/kubernetes/kubernetes/issues/58984
- First commit: Fixes cases where `--force` is provided with `kubectl apply`, with an object that is BOTH invalid and will cause a conflict error
- Second commit: Fixes cases where `--force` is provided with `kubectl apply`, with an invalid object
Justification for the first commit here: https://bugzilla.redhat.com/show_bug.cgi?id=1539529#c3
**Release note**:
```release-note
NONE
```
cc @ironcladlou
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clean temporary para for require-kubeconfig
**What this PR does / why we need it**:
delete temporary require-kubeconfig
**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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kubectl should return an error if "-l" and "--all" are both specified
**What this PR does / why we need it**:
Per discussion in [#50497](https://github.com/kubernetes/kubernetes/pull/50497#discussion_r134881507)
**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**:
/assign @caesarxuchao @mengqiy
**Release note**:
```release-note
kubectl should return an error if "-l" and "--all" are both specified
```
Previous commit relied on non-obvious reactive behavior, with the
'docker.restart' flag being exploited to re-execute docker_logins_changed
in a single hook execution.
Split this into 2 handlers:
- when docker-logins config changes, set one flag to handle the login
and another to request a daemon restart (if needed).
- run docker login after any potential daemon restarts have occurred.
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Ensure public IP removed after service deleted
**What this PR does / why we need it**:
When creating many LoadBalancer services, some services may exceed Azure basic LB's FrontendIPConfiguations quota (default is 10). Public IPs are created for all services, but it is not removed after deleting the kubernetes services.
This PR fixes the problem.
**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#59255
**Special notes for your reviewer**:
Should cherry-pick to v1.9.
**Release note**:
```release-note
Ensure Azure public IP removed after service deleted
```
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Improve messaging on volume expansion
- we now provide clear message to user what to do when cloudprovider resizing is finished
and file system resizing is needed.
- add a event when resizing is successful
- Use PATCH both in controller-manager and kubelet for updating PVC status
- Remove code duplication between controller-manager and kubelet for updating PVC status
- Only remove conditions that are managed by resize controller
```release-note
Improve messages user gets during and after volume resizing is done.
```
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Fix typo
**What this PR does / why we need it**: To fix typo in annotations
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 54680, 59388, 57455). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
Fix RBAC permissions for metadata agent.
**What this PR does / why we need it**:
Allows Stackdriver Metadata Agent to watch nodes and pods
**Release note**:
```release-note
Fix RBAC permissions for Stackdriver Metadata Agent.
```
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Fix TestPlugin func has two same if code/kind bug
**What this PR does / why we need it**:
Fix TestPlugin func has two same if code
**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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Increase RSS limit for runtime from 300MB to 350MB on test creating 100 pods per node.
**What this PR does / why we need it**:
In recent COS image (cos-dev-65), the typical RSS increased a bit. It seems it was already close to the limit and now surpassed it.
I looked at some samples of failures of the test... In [some cases](https://k8s-gubernator.appspot.com/build/kubernetes-jenkins/logs/ci-kubernetes-e2e-gce-cosdev-k8sbeta-serial/1270) it seems very close (<1%), a [more representative example](https://k8s-gubernator.appspot.com/build/kubernetes-jenkins/logs/ci-kubernetes-e2e-gce-cosdev-k8sbeta-serial/1266) goes up about ~5% but in [some](https://k8s-gubernator.appspot.com/build/kubernetes-jenkins/logs/ci-kubernetes-e2e-gce-cosdev-k8sbeta-serial/1269) [cases](https://k8s-gubernator.appspot.com/build/kubernetes-jenkins/logs/ci-kubernetes-e2e-gce-cosdev-k8sbeta-serial/1267) it did go up to close or above 340MB.
I did some tests using just "docker" on the machines, creating 100 "pause" containers. I didn't really see much difference in RSS, though after killing the containers RSS was a bit higher on the host running cos-dev.
I looked at some possible reasons that would explain that:
- Transparent huge pages: confirmed they were disabled;
- Version of docker: same on cos-65, cos-64 and cos-63;
- Version of Go: same, 1.9.2 on cos-64 and cos-65, while 1.9.1 on cos-63 but 64 was already using same as current version;
- Version of systemd (maybe due to systemd libraries linked into Docker?): same on the three images.
I don't really know what can explain this increase... So cc @adityakali in case he has something to add here. Also cc @yguo0905 with whom I discussed the testgrid.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
N/A
**Special notes for your reviewer**:
N/A
**Release note**:
```release-note
NONE
```
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Scheduler - not able to read from config file if configmap is not found
**What this PR does / why we need it**:
As of now, we are not able to read config file if configmap is not present. As of now, the only way to make it work is to enable legacy mode which should not be the case.
xref: https://bugzilla.redhat.com/show_bug.cgi?id=1540785
**Release note**:
```release-note
Scheduler should be able to read from config file if configmap is not present.
```
/cc @bsalamat @ironcladlou
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Refactor and add some tests.
Improve test coverage of the Azure cloud provider.
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unify the print of pod metadata
**What this PR does / why we need it**:
just a trivial fix about print format, not about code logic.
fix it by the way
**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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remove outdate package all external dependencies has been updated
**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 #
**Special notes for your reviewer**:
**Release note**:
```NONE
```
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Move MountPropagation to beta.
**What this PR does / why we need it**:
`MountPropagation` is needed by CSI to be on by default.
**Release note**:
```release-note
MountPropagation feature is now beta. As consequence, all volume mounts in containers are now "rslave" on Linux by default.
```
/sig storage
/assign @saad-ali @childsb
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Fix the wrong comment in cri constants.
The comment is wrong in cri constants.go.
Signed-off-by: Lantao Liu <lantaol@google.com>
**Release note**:
```release-note
none
```
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GCE: Check nodeports are covered by firewall rule with port ranges
**What this PR does / why we need it**:
When testing firewalls for GCE ingresses, we should assert that particular nodeports are covered by individual ports or port ranges. Currently, port ranges are not acceptable input.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Will fix the currently erroring `ingress-gce-e2e` tests
**Special notes for your reviewer**:
/cc @MrHohn
/assign @bowei
**Release note**:
```release-note
NONE
```
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add minimal types for service account TokenRequest API
Adds parts of the types in https://github.com/kubernetes/community/pull/1460. ValidityDuration is omitted because we are still discussing how to surface non-expiring tokens but it should be easy to add in a backwards compatibly.
#58790
@kubernetes/sig-auth-api-reviews
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add ${KUBE-ROOT} for file directory
**What this PR does / why we need it**:
If we using following command
```shell
cd hack
./test-update-storage-objects.sh
```
it would throw err about unable find file `examples\persistent-volume-provisioning\rbd\rbd-storage-class.yaml`.
I think we should add `${KUBE-ROOT} `for file directory, so that we can run command in relative directory.
**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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Create OWNERS files for remaining subdirs of kubernetes/
**What this PR does / why we need it**:
This adds OWNERS files for the remaining subdirs of kubernetes/
**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#44420
**Special notes for your reviewer**:
- translations: the kubectl specific translations are being handled by sig-cli, but the rest of the files like README and test have been handled and approved mostly by @brendandburns.
- third_party: this is a tricky mix of stuff like forked code.. mostly handled by the likes of @thockin, @lavalamp, or @smarterclayton for approvals.
- Godep/vendor: Right now @thockin mostly approves these as there are some tricky pieces around ensuring the licenses are compliant. For these, I've created a vendor-(reviewers|approvers) aliases, and associated those with both the Godeps and vendor folders. Right now @thockin is the only person in them, but that can easily expand in the future if there is a documented process on what to look for when approving dependency bumps.
**Release note**:
```release-note
NONE
```
/assign thockin
/cc fejta
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Add kubeproxyconfig round trip test
**What this PR does / why we need it**:
This is a follow-up of https://github.com/kubernetes/kubernetes/pull/55961.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
ref: #55959
**Special notes for your reviewer**:
/cc @luxas @mtaufen @ncdc
**Release note**:
```release-note
NONE
```
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kube-proxy: fix field name comments & json tags
**What this PR does / why we need it**: correct some minor issues in the comments and json tags for some of the fields in the kube-proxy config structs.
**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
The udpTimeoutMilliseconds field in the kube-proxy configuration file has been renamed to udpIdleTimeout. Action required: administrators need to update their files accordingly.
```
This was extracted from my currently unmerged f074b28fe9, as requested [here](https://github.com/kubernetes/kubernetes/pull/52198#pullrequestreview-85538637).
@kubernetes/sig-network-pr-reviews @luxas
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Admit upgrading storage class of pvc from beta annotation to spec field
**What this PR does / why we need it**:
`BetaStorageClassAnnotation` is marked as deprecated so we need to provide an upgrade path from PVC with storage class specified in beta annotation to storage class specified in attribute.
ref: #58147
**Release note**:
```release-note
NONE
```
/sig storage
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Volume metrics support for vSphere Cloud Provider
**What this PR does / why we need it**:
This PR adds Volume metrics support for vSphere Cloud Provider. With this we can monitor the available space, capacity and used space on volumes created using vSphere.
**Which issue(s) this PR fixes**
Fixes # https://github.com/kubernetes/kubernetes/issues/43527
Fixes # https://github.com/vmware/kubernetes/issues/208
**Special notes for your reviewer**:
Performed following steps to ensure metrics are reported correctly for vSphere Volumes.
- Created Dynamic PV using the PV claim of size 1Gi.
```
$ kubectl get pvc
NAME STATUS VOLUME CAPACITY ACCESS MODES STORAGECLASS AGE
thinclaim Bound pvc-bbc18f6a-0a04-11e8-bb1c-0050569c126b 1Gi RWO thin 5m
```
- Created Pod using this claim.
- Verified volume stats metrics.
```
/ # df -h | grep /dev/sdb
Filesystem Size Used Available Use% Mounted on
/dev/sdb 975.9M 1.3M 923.4M 0% /mnt/volume1
```
```
# HELP kubelet_volume_stats_available_bytes Number of available bytes in the volume
# TYPE kubelet_volume_stats_available_bytes gauge
kubelet_volume_stats_available_bytes{namespace="default",persistentvolumeclaim="thinclaim"} 9.68261632e+08
# HELP kubelet_volume_stats_capacity_bytes Capacity in bytes of the volume
# TYPE kubelet_volume_stats_capacity_bytes gauge
kubelet_volume_stats_capacity_bytes{namespace="default",persistentvolumeclaim="thinclaim"} 1.02330368e+09
# HELP kubelet_volume_stats_used_bytes Number of used bytes in the volume
# TYPE kubelet_volume_stats_used_bytes gauge
kubelet_volume_stats_used_bytes{namespace="default",persistentvolumeclaim="thinclaim"} 1.355776e+06
```
- Download 512MB file in the Pod on attached volume and Verified volume stats metrics is updated successfully.
```
/mnt/volume1 # df -h | grep /dev/sdb
Filesystem Size Used Available Use% Mounted on
/dev/sdb 975.9M 513.8M 410.9M 56% /mnt/volume1
```
```
# HELP kubelet_volume_stats_available_bytes Number of available bytes in the volume
# TYPE kubelet_volume_stats_available_bytes gauge
kubelet_volume_stats_available_bytes{namespace="default",persistentvolumeclaim="thinclaim"} 4.30862336e+08
# HELP kubelet_volume_stats_capacity_bytes Capacity in bytes of the volume
# TYPE kubelet_volume_stats_capacity_bytes gauge
kubelet_volume_stats_capacity_bytes{namespace="default",persistentvolumeclaim="thinclaim"} 1.02330368e+09
# HELP kubelet_volume_stats_used_bytes Number of used bytes in the volume
# TYPE kubelet_volume_stats_used_bytes gauge
kubelet_volume_stats_used_bytes{namespace="default",persistentvolumeclaim="thinclaim"} 5.38755072e+08
```
**Release note**:
```release-note
Volume metrics support for vSphere Cloud Provider
```
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Add deprecation comment to PersistentVolumeReclaimRecycle
**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#59060
**Special notes for your reviewer**:
**Release note**:
```release-note
Announcing the deprecation of the recycling reclaim policy.
```
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Fix TC resource Leak
ref: https://github.com/kubernetes/kubernetes/issues/56840 fix
**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 #
**Special notes for your reviewer**:
**Release note**:
```release-note
```
