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cleanup / simplify convert command
Cleans up unnecessary pieces from the convert command, simplifyiing
command logic, and readability.
**Release note**:
```release-note
NONE
```
cc @soltysh @deads2k
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kubeadm join the cluster with pre-existing client certificate if provided
**What this PR does / why we need it**:
support `kubeadm join` with a pre-existing client certificate
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixeskubernetes/kubeadm#945
**Special notes for your reviewer**:
/cc @luxas @timothysc @kubernetes/sig-cluster-lifecycle-pr-reviews
**Release note**:
```release-note
kubeadm now can join the cluster with pre-existing client certificate if provided
```
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remove unused code in pkg/scheduler/algorithm/scheduler_interface_test.go
**What this PR does / why we need it**:
remove unused code in pkg/scheduler/algorithm/scheduler_interface_test.go
**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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Add KUBE_CUSTOM_CALICO_NODE_DAEMONSET_YAML and KUBE_CUSTOM_TYPHA_DEPL…
**What this PR does / why we need it**:
PR https://github.com/kubernetes/kubernetes/pull/65024 Add a helper function to customize K8s addon yamls and use it to customize Calico addons on GKE.
This PR will expose CUSTOM_CALICO_NODE_DAEMONSET_YAML and CUSTOM_TYPHA_DEPLOYMENT_YAML so that we can easily overwrite calico yamls on k8s opensource.
**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
NONRE
```
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Taint node when initializing node.
Signed-off-by: Da K. Ma <klaus1982.cn@gmail.com>
**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#63897
**Release note**:
```release-note
If `TaintNodesByCondition` enabled, taint node with `TaintNodeUnschedulable` when
initializing node to avoid race condition.
```
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Use GetControllerOf from apimachinery and remove kubernetes copy
```release-note
NONE
```
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remove misleading error message on image pulling
**What this PR does / why we need it**:
Actually all the images needed have already been cached locally already as we have pulled them using `crictl`/`docker` in the preflight checks.
The error here is misleading, which should be removed.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
xref kubernetes/kubeadm#1019
**Special notes for your reviewer**:
cc @kubernetes/sig-cluster-lifecycle-pr-reviews
**Release note**:
```release-note
kubeadm: remove misleading error message regarding image pulling
```
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Fix jessie-dnsutils image build for arm64 & ppc64el
**What this PR does / why we need it**:
When we run `make all-container WHAT=jessie-dnsutils` from test/images, the build fails as some of the debian repos in sources.list are stale for arm64 & ppc64el. So we just detect this case and remove the lines.
**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#66618
**Special notes for your reviewer**:
/cc @mkumatag @cjwagner
**Release note**:
```release-note
NONE
```
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Bump Heapster to v1.5.4
**What this PR does / why we need it**:
Bump Heapster v1.5.4.
**Which issue(s) this PR fixes**
This Heapster release fixes Stackdriver integration with Kubernetes 1.11.
**Release note**:
```release-note
Fix Stackdriver integration based on node annotation container.googleapis.com/instance_id.
```
- Remove debian-security for a couple of arch(es) as they are not
available in the debian repos
- Also fix up the unbound SED problem with push() method
Change-Id: Ibb14ead9581954b66b39c02bcefb5adaa2464fab
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more clear err log
**What this PR does / why we need it**:
more clear err log
**Release note**:
```release-note
NONE
```
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Invalidate CheckVolumeBinding predicate only when VolumeScheduling feature is enabled
**What this PR does / why we need it**:
Invalidate CheckVolumeBinding predicate only when VolumeScheduling feature is enabled.
**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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replace predicates string with corresponding const in TestDefaultPredicates
**What this PR does / why we need it**:
replace predicates string with corresponding const in TestDefaultPredicates. Unify with the const in func defaultPredicates().
**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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pkg/controller: remove old clientbuilder methods
everything has moved to client-go now so these are the same as the original Client* methods. The only functional change is the collapse of the "horizontal-pod-autoscaler" from one client to two. This should have no effect because the GoClient was used only for discovery.
```release-note
NONE
```
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minor cleanup of selector_spreading priority function
**What this PR does / why we need it**:
Just a minor cleanup
**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
```
/sig scheudling
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test(scheduler): add more integration tests for TaintNodesByCondition
- refactor test cases to table driven testing style
- more scenarios are covered for TaintNodesByCondition
part of #62109
**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
NONE
```
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Fix discovery/deletion of iscsi block devices
This PR modifies the iSCSI attach/detatch codepaths in the following
ways:
1) After unmounting a filesystem on an iSCSI block device, always
flush the multipath device mapper entry (if it exists) and delete
all block devices so the kernel forgets about them.
2) When attaching an iSCSI block device, instead of blindly
attempting to scan for the new LUN, first determine if the target
is already logged into, and if not, do the login first. Once every
portal is logged into, the scan is done.
3) Scans are now done for specific devices, instead of the whole
bus. This avoids discovering LUNs that kubelet has no interest in.
4) Additions to the underlying utility interfaces, with new tests
for the new functionality.
5) Some existing code was shifted up or down, to make the new logic
work.
6) A typo in an existing exec call on the attach path was fixed.
Fixes#59946
```release-note
When attaching iSCSI volumes, kubelet now scans only the specific
LUNs being attached, and also deletes them after detaching. This avoids
dangling references to LUNs that no longer exist, which used to be the
cause of random I/O errors/timeouts in kernel logs, slowdowns during
block-device related operations, and very rare cases of data corruption.
```
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Remove ncdc from sig-node-reviewers
**What this PR does / why we need it**: Remove myself from the sig-node-reviewers alias - I'm not active in sig-node.
**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 `auto_unmount` mount option from pv spec annotation.
At present, `auto_unmount` option is recorded at PV annotation of glusterfs PV.
Due to the preference given in MountOptionFromSpec() for annotation mount options
over sc supplied mount options(Ref PR# https://github.com/kubernetes/kubernetes/pull/66576),
the sc supplied mount options are not honoured in glusterfs plugin
eventhough the driver returns `true` for storage class mountoptions
support at probe.
This patch removes `auto_unmount` option from annotation of the pv spec
Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
**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
```
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Add UT Test to cephfs
**What this PR does / why we need it**:
Add UT Test to cephfs
**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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Avoid sed bundled with Darwin for building test images
Change-Id: I4fc1d495c9a42d081107829cfae0cad6d5aa29ff
Signed-off-by: Davanum Srinivas <davanum@gmail.com>
**What this PR does / why we need it**:
using plain old `sed` we run into problems on macOS. for example when you try `make all-container WHAT=net` under test/images. We should use the same pattern we use in all our scripts to ensure we use gsed or a version of sed from GNU.
**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**:
/cc @mkumatag @BenTheElder @cjwagner
**Release note**:
```release-note
NONE
```
At present, `auto_unmount` option is recorded at PV annotation of glusterfs PV.
Due to the preference given in MountOptionFromSpec() for annotation mount options
over sc supplied mount options(Ref PR# https://github.com/kubernetes/kubernetes/pull/66576),
the sc supplied mount options are not honoured in glusterfs plugin
eventhough the driver returns `true` for storage class mountoptions
support at probe.
This patch removes `auto_unmount` option from annotation of the pv spec.
Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
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fix ttlcontroller integration test fatal log err
**What this PR does / why we need it**:
Log err in delete node.
**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 unused codes in test/e2e/autoscaling
**What this PR does / why we need it**:
remove unused codes in test/e2e/autoscaling
**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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when hashsize is Invalid, add an error log
**What this PR does / why we need it**:
when hashsize is Invalid, add an error log
**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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fix wrong description
**What this PR does / why we need it**:
fix wrong description
**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
```
This change ensures that iSCSI block devices are deleted after
unmounting, and implements scanning of individual LUNs rather
than scanning the whole iSCSI bus.
In cases where an iSCSI bus is in use by more than one attachment,
detaching used to leave behind phantom block devices, which could
cause I/O errors, long timeouts, or even corruption in the case
when the underlying LUN number was recycled. This change makes
sure to flush references to the block devices after unmounting.
The original iSCSI code scanned the whole target every time a LUN
was attached. On storage controllers that export multiple LUNs on
the same target IQN, this led to a situation where nodes would
see SCSI disks that they weren't supposed to -- possibly dozens or
hundreds of extra SCSI disks. This caused 3 significant problems:
1) The large number of disks wasted resources on the node and
caused a minor drag on performance.
2) The scanning of all the devices caused a huge number of uevents
from the kernel, causing udev to bog down for multiple minutes in
some cases, triggering timeouts and other transient failures.
3) Because Kubernetes was not tracking all the "extra" LUNs that
got discovered, they would not get cleaned up until the last LUN
on a particular target was detached, causing a logout. This led
to significant complications:
In the time window between when a LUN was unintentially scanned,
and when it was removed due to a logout, if it was deleted on the
backend, a phantom reference remained on the node. In the best
case, the phantom LUN would cause I/O errors and timeouts in the
udev system. In the worst case, the backend could reuse the LUN
number for a new volume, and if that new volume were to be
scheduled to a pod with a phantom reference to the old LUN by the
same number, the initiator could get confused and possibly corrupt
data on that volume.
To avoid these problems, the new implementation only scans for
the specific LUN number it expects to see. It's worth noting that
the default behavior of iscsiadm is to automatically scan the
whole bus on login. That behavior can be disabled by setting
node.session.scan = manual
in iscsid.conf, and for the reasons mentioned above, it is
strongly recommended to set that option. This change still works
regardless of the setting in iscsid.conf, and while automatic
scanning will cause some problems, this change doesn't make the
problems any worse, and can make things better in some cases.
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Use glog instead of fmt
**What this PR does / why we need it**:
Use glog instead of fmt
**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 #
NONE
**Special notes for your reviewer**:
NONE
**Release note**:
```release-note
NONE
```
/sig storage
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Avoid overflowing int64 in RoundUpSize and return error if overflow int
**What this PR does / why we need it**:
There are many places in plugins (some I may have missed) that we naively convert a resource.Quantity.Value() which is an int64, to an int, which may be only 32 bits long.
Background, optional to read :): Kubernetes canonicalizes resource.Quantities, and from what I have seen testing creating PVCs, decimalSI is the default. If a quantity is in `decimalSI` format and its value in bytes would overflow an int64, e.g. `10E`, nothing happens. If it is in binarySI and its value in bytes would overflow an int64, e.g. `10Ei`, it is set down to 2^63-1 and there's no overflow of the field value. But there may be overflow later in the code which is what this PR is addressing.
* Change `RoundUpSize` implementation to avoid overflowing `int64`
* Add `RoundUp*Int` functions for use when an `int` is expected instead of an `int64`, because `int` may be 32bits and naively doing `int($INT64_VALUE)` can lead to silent overflow. These functions return an error if overflow has occurred.
* Rename `*GB` variables to `*GiB` where appropriate for maximum clarity
* Use `RoundUpToGiB` instead of `RoundUpSize` where possible
**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**: please review carefully as we don't have e2e tests for most plugins!
**Release note**:
```release-note
NONE
```
edit: remove 'we do not need to worry about...'. yes we do, i worded that badly :))
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Make runTest easier to understand
Fewer nested conditions, more checking for incorrect looking test cases.
**What this PR does / why we need it**: Make HPA tests easier to understand.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```