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devel/ tree further minor edits
Address line wrap issue #1488. Also cleans up other minor editing issues in the docs/devel/* tree such as spelling errors, links, content tables...
Signed-off-by: Mike Brown <brownwm@us.ibm.com>
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devel/ tree more minor edits
Address line wrap issue #1488. Also cleans up other minor editing issues in the docs/devel/* tree such as spelling errors, links, content tables...
Signed-off-by: Mike Brown <brownwm@us.ibm.com>
Automatic merge from submit-queue
devel/ tree minor edits
Address line wrap issue #1488. Also cleans up other minor editing issues in the docs/devel/* tree such as spelling errors, links,...
Signed-off-by: Mike Brown <brownwm@us.ibm.com>
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docs: Self-hosted Kubelet proposal
Provides a proposal for changes needed with Kubernetes to allow for a
self-hosted Kubelet bootstrap.
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Clarify supported version skew between masters, nodes, and clients
Per discussion on #22897.
cc @bgrant0607 @roberthbailey
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Introduce events flag for describers
Printing events for a given object is not always needed. Thus, introducing --show-events=false to ``kubectl describe`` to skip events printing.
Fixes: #24239
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Update adding-an-APIGroup.md for #23110
Change the doc to point at the new conversion/deep-copy binaries instead of the old scripts.
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Reimplement 'pause' in C - smaller footprint all around
Statically links against musl. Size of amd64 binary is 3560 bytes.
I couldn't test the arm binary since I have no hardware to test it on, though I assume we want it to work on a raspberry pi.
This PR also adds the gcc5/musl cross compiling image used to build the binaries.
@thockin
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Add subPath to mount a child dir or file of a volumeMount
Allow users to specify a subPath in Container.volumeMounts so they can use a single volume for many mounts instead of creating many volumes. For instance, a user can now use a single PersistentVolume to store the Mysql database and the document root of an Apache server of a LAMP stack pod by mapping them to different subPaths in this single volume.
Also solves https://github.com/kubernetes/kubernetes/issues/20466.
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Make ThirdPartyResource a root scoped object
ThirdPartyResource (the registration of a third party type) belongs at the cluster scope. It results in resource handlers installed in every namespace, and the same name in two namespaces collides (namespace is ignored when determining group/kind).
ThirdPartyResourceData (an actual instance of that type) is still namespace-scoped.
This PR moves ThirdPartyResource to be a root scope object. Someone previously using ThirdPartyResource definitions in alpha should be able to move them from namespace to root scope like this:
setup (run on 1.2):
```
kubectl create ns ns1
echo '{"kind":"ThirdPartyResource","apiVersion":"extensions/v1beta1","metadata":{"name":"foo.example.com"},"versions":[{"name":"v8"}]}' | kubectl create -f - --namespace=ns1
echo '{"kind":"Foo","apiVersion":"example.com/v8","metadata":{"name":"MyFoo"},"testkey":"testvalue"}' | kubectl create -f - --namespace=ns1
```
export:
```
kubectl get thirdpartyresource --all-namespaces -o yaml > tprs.yaml
```
remove namespaced kind registrations (this shouldn't remove the data of that type, which is another possible issue):
```
kubectl delete -f tprs.yaml
```
... upgrade ...
re-register the custom types at the root scope:
```
kubectl create -f tprs.yaml
```
Additionally, pre-1.3 clients that expect to read/write ThirdPartyResource at a namespace scope will not be compatible with 1.3+ servers, and 1.3+ clients that expect to read/write ThirdPartyResource at a root scope will not be compatible with pre-1.3 servers.
Introduce DescriberSettings for Describer display options
Introduce --show-events flag and DescriberSettings in Describer methods
Introduce unit-tests
Regenerated kubectl describe docs
Add events flag tests to test-cmd.sh
Signed-off-by: dhodovsk@redhat.com
Signed-off-by: jchaloup@redhat.com
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API changes for Cascading deletion
This PR includes the necessary API changes to implement cascading deletion with finalizers as proposed is in #23656. Comments are welcome.
@lavalamp @derekwaynecarr @bgrant0607 @rata @hongchaodeng
The codec factory should support two distinct interfaces - negotiating
for a serializer with a client, vs reading or writing data to a storage
form (etcd, disk, etc). Make the EncodeForVersion and DecodeToVersion
methods only take Encoder and Decoder, and slight refactoring elsewhere.
In the storage factory, use a content type to control what serializer to
pick, and use the universal deserializer. This ensures that storage can
read JSON (which might be from older objects) while only writing
protobuf. Add exceptions for those resources that may not be able to
write to protobuf (specifically third party resources, but potentially
others in the future).
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update kubectl apply help info
Please refer #22342 for more detail. @bgrant0607 ptal. Also I have open a PR to update docs on `kuberntes.github.io`
