c682496197
Automatic merge from submit-queue (batch tested with PRs 68051, 68130, 67211, 68065, 68117). If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md. Update `kubectl get` sorter to deal with server-side printing **Release note**: ```release-note NONE ``` ### Why? Currently, we default to non-server-side printing when sorting items in `kubectl get`. This means that instead of taking advantage of having the server tell `kubectl` how to display information, `kubectl` falls back to using hardcoded resource types to figure out how to print its output. This does not really work with resources that `kubectl` does not know about, and it goes against our goal of snipping any dependencies that `kubectl` has on the core repo. This patch adds a sorter capable of dealing with Table objects sent by the server when using "server-side printing". A few things left to take care of: - ~~[ ] When printing `all` resources, this implementation does not handle sorting every single Table object, but rather _only_ the rows in each object. As a result, output will contain sorted resources of the same _kind_, but the overall list of mixed resources will _not_ itself be sorted. Example:~~ ```bash $ kubectl get all --sort-by .metadata.name NAME READY STATUS RESTARTS AGE # pods here will be sorted: pod/bar 0/2 Pending 0 31m pod/foo 1/1 Running 0 37m NAME DESIRED CURRENT READY AGE # replication controllers here will be sorted as well: replicationcontroller/baz 1 1 1 37m replicationcontroller/buz 1 1 1 37m # ... but the overall mixed list of rc's and pods will not be sorted ``` This occurs because each Table object received from the server contains all rows for that resource _kind_. We would need a way to build an ambiguous Table object containing all rows for all objects regardless of their type to have a fully sorted mixed-object output. - [ ] handle sorting by column-names, rather than _only_ with jsonpaths (Tracked in https://github.com/kubernetes/kubernetes/issues/68027) cc @soltysh @kubernetes/sig-cli-maintainers @seans3 @mengqiy |
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Kubernetes
Kubernetes is an open source system for managing containerized applications across multiple hosts; providing basic mechanisms for deployment, maintenance, and scaling of applications.
Kubernetes builds upon a decade and a half of experience at Google running production workloads at scale using a system called Borg, combined with best-of-breed ideas and practices from the community.
Kubernetes is hosted by the Cloud Native Computing Foundation (CNCF). If you are a company that wants to help shape the evolution of technologies that are container-packaged, dynamically-scheduled and microservices-oriented, consider joining the CNCF. For details about who's involved and how Kubernetes plays a role, read the CNCF announcement.
To start using Kubernetes
See our documentation on kubernetes.io.
Try our interactive tutorial.
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To start developing Kubernetes
The community repository hosts all information about building Kubernetes from source, how to contribute code and documentation, who to contact about what, etc.
If you want to build Kubernetes right away there are two options:
You have a working Go environment.
$ go get -d k8s.io/kubernetes
$ cd $GOPATH/src/k8s.io/kubernetes
$ make
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$ git clone https://github.com/kubernetes/kubernetes
$ cd kubernetes
$ make quick-release
For the full story, head over to the developer's documentation.
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