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Forgiveness api changes
**What this PR does / why we need it**:
Splited from #34825 , contains api changes that are needed to implement forgiveness:
1. update toleration api types to support forgiveness, added a new field forgivenessSeconds to indicate the duration of time it tolerates a taint.
2. update taint api types, added a new field to indicate the time the taint is added.
**Which issue this PR fixes** :
Related issue: #1574
Related PR: #34825
**Special notes for your reviewer**:
**Release note**:
```release-note
forgiveness alpha version api definition
```
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Optional configmaps and secrets
Allow configmaps and secrets for environment variables and volume sources to be optional
Implements approved proposal c9f881b7bb
Release note:
```release-note
Volumes and environment variables populated from ConfigMap and Secret objects can now tolerate the named source object or specific keys being missing, by adding `optional: true` to the volume or environment variable source specifications.
```
Move over only the conversions that are needed, create a new scheme that
is private to meta and only accessible via ParameterCodec. Move half of
pkg/util/labels/.readonly to pkg/apis/meta/v1/labels.go
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move pkg/fields to apimachinery
Purely mechanical move of `pkg/fields` to apimachinery.
Discussed with @lavalamp on slack. Moving this an `labels` to apimachinery.
@liggitt any concerns? I think the idea of field selection should become generic and this ends up shared between client and server, so this is a more logical location.
Adds kubeadm subcommands to create, list, and delete bootstrap tokens.
Tokens can be created with a TTL duration, or 0 for tokens that will not
expire. The create command can also be used to specify your own token
(for use when bootstrapping masters and nodes in parallel), or update an
existing token's secret or ttl.
Marked "ex" for experimental for now as the boostrap controllers are not
yet hooked up in core.
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[RFC] Prepare for deprecating NodeLegacyHostIP
Ref https://github.com/kubernetes/kubernetes/issues/9267#issuecomment-257994766
*What this PR does*
- Add comments saying "LegacyHostIP" will be deprecated in 1.7;
- Add v1.NodeLegacyHostIP to be consistent with the internal API (useful for client-go migration #35159)
- Let cloudproviders who used to only set LegacyHostIP set the IP as both InternalIP and ExternalIP
- Master used to ssh tunnel to node's ExternalIP or LegacyHostIP to do [healthz check](https://github.com/kubernetes/kubernetes/blame/master/pkg/master/master.go#L328-L332). OTOH, if on-prem, kubelet only [sets](https://github.com/kubernetes/kubernetes/blob/master/pkg/kubelet/kubelet_node_status.go#L430-L431) LegacyHostIP or InternalIP. In order to deprecate LegacyHostIP in 1.7, I let healthz check to use InternalIP if ExternalIP is not available. (The healthz check is the only consumer of LegacyHostIP in k8s.)
@liggitt @justinsb @bgrant0607
```release-note
LegacyHostIP will be deprecated in 1.7.
```
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We only report diskpressure to users, and no longer report inodepressure
See #36180 for more information on why #33218 was reverted.
Mark NodeLegacyHostIP will be deprecated in 1.7;
Let cloudprovider that used to only set NodeLegacyHostIP set the IP as both InternalIP and ExternalIP, to allow dprecation in 1.7
- Prevents kubelet from overwriting capacity during sync.
- Handles opaque integer resources in the scheduler.
- Adds scheduler predicate tests for opaque resources.
- Validates opaque int resources:
- Ensures supplied opaque int quantities in node capacity,
node allocatable, pod request and pod limit are integers.
- Adds tests for new validation logic (node update and pod spec).
- Added e2e tests for opaque integer resources.
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Make "Unschedulable" reason a constant in api
String "Unschedulable" is used in couple places in K8S:
* scheduler
* federation replicaset and deployment controllers
* cluster autoscaler
* rescheduler
This PR makes the string a part of API so it not changed.
cc: @davidopp @fgrzadkowski @wojtek-t
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Add PVC storage to LimitRange
This PR adds the ability to add a LimitRange to a namespace that enforces min/max on `pvc.Spec.Resources.Requests["storage"]`.
@derekwaynecarr @abhgupta @kubernetes/sig-storage
Examples forthcoming.
```release-note
pvc.Spec.Resources.Requests min and max can be enforced with a LimitRange of type "PersistentVolumeClaim" in the namespace
```
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Add kubelet awareness to taint tolerant match caculator.
Add kubelet awareness to taint tolerant match caculator.
Ref: #25320
This is required by `TaintEffectNoScheduleNoAdmit` & `TaintEffectNoScheduleNoAdmitNoExecute `, so that node will know if it should expect the taint&tolerant
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Dynamic provisioning for flocker volume plugin
Refactor flocker volume plugin
* [x] Support provisioning beta (#29006)
* [x] Support deletion
* [x] Use bind mounts instead of /flocker in containers
* [x] support ownership management or SELinux relabeling.
* [x] adds volume specification via datasetUUID (this is guranted to be unique)
I based my refactor work to replicate pretty much GCE-PD behaviour
**Related issues**: #29006#26908
@jsafrane @mattbates @wallrj @wallnerryan
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