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Tidy ephemeral containers concept (#18627) 

* Tidy ephemeral containers concept

* Specify feature state
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Tim Bannister 2020-01-14 15:17:18 +00:00 committed by Kubernetes Prow Robot
parent 0adc7047a5
commit 72cfcda5d1
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content/en/docs/concepts/workloads/pods/ephemeral-containers.md
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@ -9,7 +9,7 @@ weight: 80
{{% capture overview %}}
{{< feature-state state="alpha" >}}
{{< feature-state state="alpha" for_k8s_version="v1.16" >}}
This page provides an overview of ephemeral containers: a special type of container
that runs temporarily in an existing {{< glossary_tooltip term_id="pod" >}} to accomplish user-initiated actions such
@ -83,12 +83,12 @@ you can view processes in other containers.
{{< note >}}
The examples in this section require the `EphemeralContainers` [feature
gate](/docs/reference/command-line-tools-reference/feature-gates/) to be
enabled and kubernetes client and server version v1.16 or later.
enabled, and Kubernetes client and server version v1.16 or later.
{{< /note >}}
The examples in this section demonstrate how ephemeral containers appear in
the API. Users would normally use a `kubectl` plugin for troubleshooting that
would automate these steps.
the API. You would normally use a `kubectl` plugin for troubleshooting that
automates these steps.
Ephemeral containers are created using the `ephemeralcontainers` subresource
of Pod, which can be demonstrated using `kubectl --raw`. First describe
@ -190,6 +190,7 @@ If process namespace sharing is enabled, you can see processes from all the cont
For example, after attaching, you run `ps` in the debugger container:
```shell
# Run this in a shell inside the "debugger" ephemeral container
ps auxww
```
The output is similar to: