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Merge pull request #24134 from Huawei-PaaS/taints-tolerations

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Implement taints and tolerations
This commit is contained in:
David Oppenheimer
2016-05-18 18:18:18 -05:00
parent 01cf9869fc 52fb89ff73
commit 35c9ca853a
34 changed files with 4623 additions and 69 deletions
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.TH "KUBERNETES" "1" " kubernetes User Manuals" "Eric Paris" "Jan 2015" ""
.SH NAME
.PP
kubectl taint \- Update the taints on one or more nodes
.SH SYNOPSIS
.PP
\fBkubectl taint\fP [OPTIONS]
.SH DESCRIPTION
.PP
Update the taints on one or more nodes.
.PP
A taint consists of a key, value, and effect. As an argument here, it is expressed as key=value:effect.
The key must begin with a letter or number, and may contain letters, numbers, hyphens, dots, and underscores, up to 253 characters.
The value must begin with a letter or number, and may contain letters, numbers, hyphens, dots, and underscores, up to 253 characters.
The effect must be NoSchedule or PreferNoSchedule.
Currently taint can only apply to node.
.SH OPTIONS
.PP
\fB\-\-all\fP=false
select all nodes in the cluster
.PP
\fB\-\-include\-extended\-apis\fP=true
If true, include definitions of new APIs via calls to the API server. [default true]
.PP
\fB\-\-no\-headers\fP=false
When using the default output, don't print headers.
.PP
\fB\-o\fP, \fB\-\-output\fP=""
Output format. One of: json|yaml|wide|name|go\-template=...|go\-template\-file=...|jsonpath=...|jsonpath\-file=... See golang template [
\[la]http://golang.org/pkg/text/template/#pkg-overview\[ra]] and jsonpath template [
\[la]http://releases.k8s.io/HEAD/docs/user-guide/jsonpath.md\[ra]].
.PP
\fB\-\-output\-version\fP=""
Output the formatted object with the given group version (for ex: 'extensions/v1beta1').
.PP
\fB\-\-overwrite\fP=false
If true, allow taints to be overwritten, otherwise reject taint updates that overwrite existing taints.
.PP
\fB\-\-schema\-cache\-dir\fP="\~/.kube/schema"
If non\-empty, load/store cached API schemas in this directory, default is '$HOME/.kube/schema'
.PP
\fB\-l\fP, \fB\-\-selector\fP=""
Selector (label query) to filter on
.PP
\fB\-a\fP, \fB\-\-show\-all\fP=false
When printing, show all resources (default hide terminated pods.)
.PP
\fB\-\-show\-labels\fP=false
When printing, show all labels as the last column (default hide labels column)
.PP
\fB\-\-sort\-by\fP=""
If non\-empty, sort list types using this field specification. The field specification is expressed as a JSONPath expression (e.g. '{.metadata.name}'). The field in the API resource specified by this JSONPath expression must be an integer or a string.
.PP
\fB\-\-template\fP=""
Template string or path to template file to use when \-o=go\-template, \-o=go\-template\-file. The template format is golang templates [
\[la]http://golang.org/pkg/text/template/#pkg-overview\[ra]].
.PP
\fB\-\-validate\fP=true
If true, use a schema to validate the input before sending it
.SH OPTIONS INHERITED FROM PARENT COMMANDS
.PP
\fB\-\-alsologtostderr\fP=false
log to standard error as well as files
.PP
\fB\-\-api\-version\fP=""
DEPRECATED: The API version to use when talking to the server
.PP
\fB\-\-as\fP=""
Username to impersonate for the operation.
.PP
\fB\-\-certificate\-authority\fP=""
Path to a cert. file for the certificate authority.
.PP
\fB\-\-client\-certificate\fP=""
Path to a client certificate file for TLS.
.PP
\fB\-\-client\-key\fP=""
Path to a client key file for TLS.
.PP
\fB\-\-cluster\fP=""
The name of the kubeconfig cluster to use
.PP
\fB\-\-context\fP=""
The name of the kubeconfig context to use
.PP
\fB\-\-insecure\-skip\-tls\-verify\fP=false
If true, the server's certificate will not be checked for validity. This will make your HTTPS connections insecure.
.PP
\fB\-\-kubeconfig\fP=""
Path to the kubeconfig file to use for CLI requests.
.PP
\fB\-\-log\-backtrace\-at\fP=:0
when logging hits line file:N, emit a stack trace
.PP
\fB\-\-log\-dir\fP=""
If non\-empty, write log files in this directory
.PP
\fB\-\-log\-flush\-frequency\fP=5s
Maximum number of seconds between log flushes
.PP
\fB\-\-logtostderr\fP=true
log to standard error instead of files
.PP
\fB\-\-match\-server\-version\fP=false
Require server version to match client version
.PP
\fB\-\-namespace\fP=""
If present, the namespace scope for this CLI request.
.PP
\fB\-\-password\fP=""
Password for basic authentication to the API server.
.PP
\fB\-s\fP, \fB\-\-server\fP=""
The address and port of the Kubernetes API server
.PP
\fB\-\-stderrthreshold\fP=2
logs at or above this threshold go to stderr
.PP
\fB\-\-token\fP=""
Bearer token for authentication to the API server.
.PP
\fB\-\-user\fP=""
The name of the kubeconfig user to use
.PP
\fB\-\-username\fP=""
Username for basic authentication to the API server.
.PP
\fB\-\-v\fP=0
log level for V logs
.PP
\fB\-\-vmodule\fP=
comma\-separated list of pattern=N settings for file\-filtered logging
.SH EXAMPLE
.PP
.RS
.nf
# Update node 'foo' with a taint with key 'dedicated' and value 'special\-user' and effect 'NoSchedule'.
# If a taint with that key already exists, its value and effect are replaced as specified.
kubectl taint nodes foo dedicated=special\-user:NoSchedule
# Remove from node 'foo' the taint with key 'dedicated' if one exists.
kubectl taint nodes foo dedicated\-
.fi
.RE
.SH SEE ALSO
.PP
\fBkubectl(1)\fP,
.SH HISTORY
.PP
January 2015, Originally compiled by Eric Paris (eparis at redhat dot com) based on the kubernetes source material, but hopefully they have been automatically generated since!

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.SH SEE ALSO
.PP
\fBkubectl\-get(1)\fP, \fBkubectl\-set(1)\fP, \fBkubectl\-describe(1)\fP, \fBkubectl\-create(1)\fP, \fBkubectl\-replace(1)\fP, \fBkubectl\-patch(1)\fP, \fBkubectl\-delete(1)\fP, \fBkubectl\-edit(1)\fP, \fBkubectl\-apply(1)\fP, \fBkubectl\-namespace(1)\fP, \fBkubectl\-logs(1)\fP, \fBkubectl\-rolling\-update(1)\fP, \fBkubectl\-scale(1)\fP, \fBkubectl\-cordon(1)\fP, \fBkubectl\-drain(1)\fP, \fBkubectl\-uncordon(1)\fP, \fBkubectl\-attach(1)\fP, \fBkubectl\-exec(1)\fP, \fBkubectl\-port\-forward(1)\fP, \fBkubectl\-proxy(1)\fP, \fBkubectl\-run(1)\fP, \fBkubectl\-stop(1)\fP, \fBkubectl\-expose(1)\fP, \fBkubectl\-autoscale(1)\fP, \fBkubectl\-rollout(1)\fP, \fBkubectl\-label(1)\fP, \fBkubectl\-annotate(1)\fP, \fBkubectl\-config(1)\fP, \fBkubectl\-cluster\-info(1)\fP, \fBkubectl\-api\-versions(1)\fP, \fBkubectl\-version(1)\fP, \fBkubectl\-explain(1)\fP, \fBkubectl\-convert(1)\fP,
\fBkubectl\-get(1)\fP, \fBkubectl\-set(1)\fP, \fBkubectl\-describe(1)\fP, \fBkubectl\-create(1)\fP, \fBkubectl\-replace(1)\fP, \fBkubectl\-patch(1)\fP, \fBkubectl\-delete(1)\fP, \fBkubectl\-edit(1)\fP, \fBkubectl\-apply(1)\fP, \fBkubectl\-namespace(1)\fP, \fBkubectl\-logs(1)\fP, \fBkubectl\-rolling\-update(1)\fP, \fBkubectl\-scale(1)\fP, \fBkubectl\-cordon(1)\fP, \fBkubectl\-drain(1)\fP, \fBkubectl\-uncordon(1)\fP, \fBkubectl\-attach(1)\fP, \fBkubectl\-exec(1)\fP, \fBkubectl\-port\-forward(1)\fP, \fBkubectl\-proxy(1)\fP, \fBkubectl\-run(1)\fP, \fBkubectl\-stop(1)\fP, \fBkubectl\-expose(1)\fP, \fBkubectl\-autoscale(1)\fP, \fBkubectl\-rollout(1)\fP, \fBkubectl\-label(1)\fP, \fBkubectl\-annotate(1)\fP, \fBkubectl\-taint(1)\fP, \fBkubectl\-config(1)\fP, \fBkubectl\-cluster\-info(1)\fP, \fBkubectl\-api\-versions(1)\fP, \fBkubectl\-version(1)\fP, \fBkubectl\-explain(1)\fP, \fBkubectl\-convert(1)\fP,
.SH HISTORY

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* [kubectl run](kubectl_run.md) - Run a particular image on the cluster.
* [kubectl scale](kubectl_scale.md) - Set a new size for a Deployment, ReplicaSet, Replication Controller, or Job.
* [kubectl set](kubectl_set.md) - Set specific features on objects
* [kubectl taint](kubectl_taint.md) - Update the taints on one or more nodes
* [kubectl uncordon](kubectl_uncordon.md) - Mark node as schedulable
* [kubectl version](kubectl_version.md) - Print the client and server version information.
###### Auto generated by spf13/cobra on 10-May-2016
###### Auto generated by spf13/cobra on 15-May-2016
<!-- BEGIN MUNGE: GENERATED_ANALYTICS -->
[![Analytics](https://kubernetes-site.appspot.com/UA-36037335-10/GitHub/docs/user-guide/kubectl/kubectl.md?pixel)]()

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<!-- BEGIN MUNGE: UNVERSIONED_WARNING -->
<!-- BEGIN STRIP_FOR_RELEASE -->
<img src="http://kubernetes.io/img/warning.png" alt="WARNING"
width="25" height="25">
<img src="http://kubernetes.io/img/warning.png" alt="WARNING"
width="25" height="25">
<img src="http://kubernetes.io/img/warning.png" alt="WARNING"
width="25" height="25">
<img src="http://kubernetes.io/img/warning.png" alt="WARNING"
width="25" height="25">
<img src="http://kubernetes.io/img/warning.png" alt="WARNING"
width="25" height="25">
<h2>PLEASE NOTE: This document applies to the HEAD of the source tree</h2>
If you are using a released version of Kubernetes, you should
refer to the docs that go with that version.
Documentation for other releases can be found at
[releases.k8s.io](http://releases.k8s.io).
</strong>
--
<!-- END STRIP_FOR_RELEASE -->
<!-- END MUNGE: UNVERSIONED_WARNING -->
## kubectl taint
Update the taints on one or more nodes
### Synopsis
Update the taints on one or more nodes.
A taint consists of a key, value, and effect. As an argument here, it is expressed as key=value:effect.
The key must begin with a letter or number, and may contain letters, numbers, hyphens, dots, and underscores, up to 253 characters.
The value must begin with a letter or number, and may contain letters, numbers, hyphens, dots, and underscores, up to 253 characters.
The effect must be NoSchedule or PreferNoSchedule.
Currently taint can only apply to node.
```
kubectl taint NODE NAME KEY_1=VAL_1:TAINT_EFFECT_1 ... KEY_N=VAL_N:TAINT_EFFECT_N
```
### Examples
```
# Update node 'foo' with a taint with key 'dedicated' and value 'special-user' and effect 'NoSchedule'.
# If a taint with that key already exists, its value and effect are replaced as specified.
kubectl taint nodes foo dedicated=special-user:NoSchedule
# Remove from node 'foo' the taint with key 'dedicated' if one exists.
kubectl taint nodes foo dedicated-
```
### Options
```
--all[=false]: select all nodes in the cluster
--include-extended-apis[=true]: If true, include definitions of new APIs via calls to the API server. [default true]
--no-headers[=false]: When using the default output, don't print headers.
-o, --output="": Output format. One of: json|yaml|wide|name|go-template=...|go-template-file=...|jsonpath=...|jsonpath-file=... See golang template [http://golang.org/pkg/text/template/#pkg-overview] and jsonpath template [http://releases.k8s.io/HEAD/docs/user-guide/jsonpath.md].
--output-version="": Output the formatted object with the given group version (for ex: 'extensions/v1beta1').
--overwrite[=false]: If true, allow taints to be overwritten, otherwise reject taint updates that overwrite existing taints.
--schema-cache-dir="~/.kube/schema": If non-empty, load/store cached API schemas in this directory, default is '$HOME/.kube/schema'
-l, --selector="": Selector (label query) to filter on
-a, --show-all[=false]: When printing, show all resources (default hide terminated pods.)
--show-labels[=false]: When printing, show all labels as the last column (default hide labels column)
--sort-by="": If non-empty, sort list types using this field specification. The field specification is expressed as a JSONPath expression (e.g. '{.metadata.name}'). The field in the API resource specified by this JSONPath expression must be an integer or a string.
--template="": Template string or path to template file to use when -o=go-template, -o=go-template-file. The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview].
--validate[=true]: If true, use a schema to validate the input before sending it
```
### Options inherited from parent commands
```
--alsologtostderr[=false]: log to standard error as well as files
--as="": Username to impersonate for the operation.
--certificate-authority="": Path to a cert. file for the certificate authority.
--client-certificate="": Path to a client certificate file for TLS.
--client-key="": Path to a client key file for TLS.
--cluster="": The name of the kubeconfig cluster to use
--context="": The name of the kubeconfig context to use
--insecure-skip-tls-verify[=false]: If true, the server's certificate will not be checked for validity. This will make your HTTPS connections insecure.
--kubeconfig="": Path to the kubeconfig file to use for CLI requests.
--log-backtrace-at=:0: when logging hits line file:N, emit a stack trace
--log-dir="": If non-empty, write log files in this directory
--log-flush-frequency=5s: Maximum number of seconds between log flushes
--logtostderr[=true]: log to standard error instead of files
--match-server-version[=false]: Require server version to match client version
--namespace="": If present, the namespace scope for this CLI request.
--password="": Password for basic authentication to the API server.
-s, --server="": The address and port of the Kubernetes API server
--stderrthreshold=2: logs at or above this threshold go to stderr
--token="": Bearer token for authentication to the API server.
--user="": The name of the kubeconfig user to use
--username="": Username for basic authentication to the API server.
--v=0: log level for V logs
--vmodule=: comma-separated list of pattern=N settings for file-filtered logging
```
### SEE ALSO
* [kubectl](kubectl.md) - kubectl controls the Kubernetes cluster manager
###### Auto generated by spf13/cobra on 17-May-2016
<!-- BEGIN MUNGE: GENERATED_ANALYTICS -->
[![Analytics](https://kubernetes-site.appspot.com/UA-36037335-10/GitHub/docs/user-guide/kubectl/kubectl_taint.md?pixel)]()
<!-- END MUNGE: GENERATED_ANALYTICS -->

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- rollout
- label
- annotate
- taint
- config
- cluster-info
- api-versions

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name: taint
synopsis: Update the taints on one or more nodes
description: |-
Update the taints on one or more nodes.
A taint consists of a key, value, and effect. As an argument here, it is expressed as key=value:effect.
The key must begin with a letter or number, and may contain letters, numbers, hyphens, dots, and underscores, up to 253 characters.
The value must begin with a letter or number, and may contain letters, numbers, hyphens, dots, and underscores, up to 253 characters.
The effect must be NoSchedule or PreferNoSchedule.
Currently taint can only apply to node.
options:
- name: all
default_value: "false"
usage: select all nodes in the cluster
- name: include-extended-apis
default_value: "true"
usage: |
If true, include definitions of new APIs via calls to the API server. [default true]
- name: no-headers
default_value: "false"
usage: When using the default output, don't print headers.
- name: output
shorthand: o
usage: |
Output format. One of: json|yaml|wide|name|go-template=...|go-template-file=...|jsonpath=...|jsonpath-file=... See golang template [http://golang.org/pkg/text/template/#pkg-overview] and jsonpath template [http://releases.k8s.io/HEAD/docs/user-guide/jsonpath.md].
- name: output-version
usage: |
Output the formatted object with the given group version (for ex: 'extensions/v1beta1').
- name: overwrite
default_value: "false"
usage: |
If true, allow taints to be overwritten, otherwise reject taint updates that overwrite existing taints.
- name: schema-cache-dir
default_value: ~/.kube/schema
usage: |
If non-empty, load/store cached API schemas in this directory, default is '$HOME/.kube/schema'
- name: selector
shorthand: l
usage: Selector (label query) to filter on
- name: show-all
shorthand: a
default_value: "false"
usage: |
When printing, show all resources (default hide terminated pods.)
- name: show-labels
default_value: "false"
usage: |
When printing, show all labels as the last column (default hide labels column)
- name: sort-by
usage: |
If non-empty, sort list types using this field specification. The field specification is expressed as a JSONPath expression (e.g. '{.metadata.name}'). The field in the API resource specified by this JSONPath expression must be an integer or a string.
- name: template
usage: |
Template string or path to template file to use when -o=go-template, -o=go-template-file. The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview].
- name: validate
default_value: "true"
usage: |
If true, use a schema to validate the input before sending it
inherited_options:
- name: alsologtostderr
default_value: "false"
usage: log to standard error as well as files
- name: api-version
usage: |
DEPRECATED: The API version to use when talking to the server
- name: as
usage: Username to impersonate for the operation.
- name: certificate-authority
usage: Path to a cert. file for the certificate authority.
- name: client-certificate
usage: Path to a client certificate file for TLS.
- name: client-key
usage: Path to a client key file for TLS.
- name: cluster
usage: The name of the kubeconfig cluster to use
- name: context
usage: The name of the kubeconfig context to use
- name: insecure-skip-tls-verify
default_value: "false"
usage: |
If true, the server's certificate will not be checked for validity. This will make your HTTPS connections insecure.
- name: kubeconfig
usage: Path to the kubeconfig file to use for CLI requests.
- name: log-backtrace-at
default_value: :0
usage: when logging hits line file:N, emit a stack trace
- name: log-dir
usage: If non-empty, write log files in this directory
- name: log-flush-frequency
default_value: 5s
usage: Maximum number of seconds between log flushes
- name: logtostderr
default_value: "true"
usage: log to standard error instead of files
- name: match-server-version
default_value: "false"
usage: Require server version to match client version
- name: namespace
usage: If present, the namespace scope for this CLI request.
- name: password
usage: Password for basic authentication to the API server.
- name: server
shorthand: s
usage: The address and port of the Kubernetes API server
- name: stderrthreshold
default_value: "2"
usage: logs at or above this threshold go to stderr
- name: token
usage: Bearer token for authentication to the API server.
- name: user
usage: The name of the kubeconfig user to use
- name: username
usage: Username for basic authentication to the API server.
- name: v
default_value: "0"
usage: log level for V logs
- name: vmodule
usage: |
comma-separated list of pattern=N settings for file-filtered logging
example: |-
# Update node 'foo' with a taint with key 'dedicated' and value 'special-user' and effect 'NoSchedule'.
# If a taint with that key already exists, its value and effect are replaced as specified.
kubectl taint nodes foo dedicated=special-user:NoSchedule
# Remove from node 'foo' the taint with key 'dedicated' if one exists.
kubectl taint nodes foo dedicated-
see_also:
- kubectl