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authorBrian Grant <briangrant@google.com>2015-07-18 00:05:57 +0000
committerBrian Grant <briangrant@google.com>2015-07-18 00:41:06 +0000
commit9d1ae2e76424babe7f7975ddb86433a6b93e1812 (patch)
tree116d27f1d633a2119f7a4b4ac09cb805ae3688a5 /cli-roadmap.md
parentbc7325e085ac7af0c38b1a2f1c4d2c57a0ca1909 (diff)
Gut stale roadmaps. Move useful content elsewhere.
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@@ -33,83 +33,11 @@ Documentation for other releases can be found at
# Kubernetes CLI/Configuration Roadmap
-See also issues with the following labels:
+See github issues with the following labels:
* [area/app-config-deployment](https://github.com/GoogleCloudPlatform/kubernetes/labels/area/app-config-deployment)
* [component/CLI](https://github.com/GoogleCloudPlatform/kubernetes/labels/component/CLI)
* [component/client](https://github.com/GoogleCloudPlatform/kubernetes/labels/component/client)
-1. Create services before other objects, or at least before objects that depend upon them. Namespace-relative DNS mitigates this some, but most users are still using service environment variables. [#1768](https://github.com/GoogleCloudPlatform/kubernetes/issues/1768)
-1. Finish rolling update [#1353](https://github.com/GoogleCloudPlatform/kubernetes/issues/1353)
- 1. Friendly to auto-scaling [#2863](https://github.com/GoogleCloudPlatform/kubernetes/pull/2863#issuecomment-69701562)
- 1. Rollback (make rolling-update reversible, and complete an in-progress rolling update by taking 2 replication controller names rather than always taking a file)
- 1. Rollover (replace multiple replication controllers with one, such as to clean up an aborted partial rollout)
- 1. Write a ReplicationController generator to derive the new ReplicationController from an old one (e.g., `--image-version=newversion`, which would apply a name suffix, update a label value, and apply an image tag)
- 1. Use readiness [#620](https://github.com/GoogleCloudPlatform/kubernetes/issues/620)
- 1. Perhaps factor this in a way that it can be shared with [Openshift’s deployment controller](https://github.com/GoogleCloudPlatform/kubernetes/issues/1743)
- 1. Rolling update service as a plugin
-1. Kind-based filtering on object streams -- only operate on the kinds of objects specified. This would make directory-based kubectl operations much more useful. Users should be able to instantiate the example applications using `kubectl create -f <example-dir> ...`
-1. Improved pretty printing of endpoints, such as in the case that there are more than a few endpoints
-1. Service address/port lookup command(s)
-1. List supported resources
-1. Swagger lookups [#3060](https://github.com/GoogleCloudPlatform/kubernetes/issues/3060)
-1. --name, --name-suffix applied during creation and updates
-1. --labels and opinionated label injection: --app=foo, --tier={fe,cache,be,db}, --uservice=redis, --env={dev,test,prod}, --stage={canary,final}, --track={hourly,daily,weekly}, --release=0.4.3c2. Exact ones TBD. We could allow arbitrary values -- the keys are important. The actual label keys would be (optionally?) namespaced with kubectl.kubernetes.io/, or perhaps the user’s namespace.
-1. --annotations and opinionated annotation injection: --description, --revision
-1. Imperative updates. We'll want to optionally make these safe(r) by supporting preconditions based on the current value and resourceVersion.
- 1. annotation updates similar to label updates
- 1. other custom commands for common imperative updates
- 1. more user-friendly (but still generic) on-command-line json for patch
-1. We also want to support the following flavors of more general updates:
- 1. whichever we don’t support:
- 1. safe update: update the full resource, guarded by resourceVersion precondition (and perhaps selected value-based preconditions)
- 1. forced update: update the full resource, blowing away the previous Spec without preconditions; delete and re-create if necessary
- 1. diff/dryrun: Compare new config with current Spec [#6284](https://github.com/GoogleCloudPlatform/kubernetes/issues/6284)
- 1. submit/apply/reconcile/ensure/merge: Merge user-provided fields with current Spec. Keep track of user-provided fields using an annotation -- see [#1702](https://github.com/GoogleCloudPlatform/kubernetes/issues/1702). Delete all objects with deployment-specific labels.
-1. --dry-run for all commands
-1. Support full label selection syntax, including support for namespaces.
-1. Wait on conditions [#1899](https://github.com/GoogleCloudPlatform/kubernetes/issues/1899)
-1. Make kubectl scriptable: make output and exit code behavior consistent and useful for wrapping in workflows and piping back into kubectl and/or xargs (e.g., dump full URLs?, distinguish permanent and retry-able failure, identify objects that should be retried)
- 1. Here's [an example](http://techoverflow.net/blog/2013/10/22/docker-remove-all-images-and-containers/) where multiple objects on the command line and an option to dump object names only (`-q`) would be useful in combination. [#5906](https://github.com/GoogleCloudPlatform/kubernetes/issues/5906)
-1. Easy generation of clean configuration files from existing objects (including containers -- podex) -- remove readonly fields, status
- 1. Export from one namespace, import into another is an important use case
-1. Derive objects from other objects
- 1. pod clone
- 1. rc from pod
- 1. --labels-from (services from pods or rcs)
-1. Kind discovery (i.e., operate on objects of all kinds) [#5278](https://github.com/GoogleCloudPlatform/kubernetes/issues/5278)
-1. A fairly general-purpose way to specify fields on the command line during creation and update, not just from a config file
-1. Extensible API-based generator framework (i.e. invoke generators via an API/URL rather than building them into kubectl), so that complex client libraries don’t need to be rewritten in multiple languages, and so that the abstractions are available through all interfaces: API, CLI, UI, logs, ... [#5280](https://github.com/GoogleCloudPlatform/kubernetes/issues/5280)
- 1. Need schema registry, and some way to invoke generator (e.g., using a container)
- 1. Convert run command to API-based generator
-1. Transformation framework
- 1. More intelligent defaulting of fields (e.g., [#2643](https://github.com/GoogleCloudPlatform/kubernetes/issues/2643))
-1. Update preconditions based on the values of arbitrary object fields.
-1. Deployment manager compatibility on GCP: [#3685](https://github.com/GoogleCloudPlatform/kubernetes/issues/3685)
-1. Describe multiple objects, multiple kinds of objects [#5905](https://github.com/GoogleCloudPlatform/kubernetes/issues/5905)
-1. Support yaml document separator [#5840](https://github.com/GoogleCloudPlatform/kubernetes/issues/5840)
-
-TODO:
-* watch
-* attach [#1521](https://github.com/GoogleCloudPlatform/kubernetes/issues/1521)
-* image/registry commands
-* do any other server paths make sense? validate? generic curl functionality?
-* template parameterization
-* dynamic/runtime configuration
-
-Server-side support:
-
-1. Default selectors from labels [#1698](https://github.com/GoogleCloudPlatform/kubernetes/issues/1698#issuecomment-71048278)
-1. Stop [#1535](https://github.com/GoogleCloudPlatform/kubernetes/issues/1535)
-1. Deleted objects [#2789](https://github.com/GoogleCloudPlatform/kubernetes/issues/2789)
-1. Clone [#170](https://github.com/GoogleCloudPlatform/kubernetes/issues/170)
-1. Resize [#1629](https://github.com/GoogleCloudPlatform/kubernetes/issues/1629)
-1. Useful /operations API: wait for finalization/reification
-1. List supported resources [#2057](https://github.com/GoogleCloudPlatform/kubernetes/issues/2057)
-1. Reverse label lookup [#1348](https://github.com/GoogleCloudPlatform/kubernetes/issues/1348)
-1. Field selection [#1362](https://github.com/GoogleCloudPlatform/kubernetes/issues/1362)
-1. Field filtering [#1459](https://github.com/GoogleCloudPlatform/kubernetes/issues/1459)
-1. Operate on uids
-
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