mirror of https://github.com/k3s-io/k3s
Merge pull request #19893 from janetkuo/kubectl-rollout-history
Auto commit by PR queue botpull/6/head
commit
17a5058e83
|
@ -43,6 +43,7 @@ docs/man/man1/kubectl-port-forward.1
|
|||
docs/man/man1/kubectl-proxy.1
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||||
docs/man/man1/kubectl-replace.1
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||||
docs/man/man1/kubectl-rolling-update.1
|
||||
docs/man/man1/kubectl-rollout-history.1
|
||||
docs/man/man1/kubectl-rollout.1
|
||||
docs/man/man1/kubectl-run.1
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||||
docs/man/man1/kubectl-scale.1
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||||
|
@ -90,6 +91,7 @@ docs/user-guide/kubectl/kubectl_proxy.md
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|||
docs/user-guide/kubectl/kubectl_replace.md
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||||
docs/user-guide/kubectl/kubectl_rolling-update.md
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docs/user-guide/kubectl/kubectl_rollout.md
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||||
docs/user-guide/kubectl/kubectl_rollout_history.md
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||||
docs/user-guide/kubectl/kubectl_run.md
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||||
docs/user-guide/kubectl/kubectl_scale.md
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docs/user-guide/kubectl/kubectl_uncordon.md
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||||
|
|
|
@ -1656,10 +1656,57 @@ _kubectl_autoscale()
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must_have_one_noun=()
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}
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_kubectl_rollout_history()
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{
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last_command="kubectl_rollout_history"
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commands=()
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||||
flags=()
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two_word_flags=()
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flags_with_completion=()
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||||
flags_completion=()
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||||
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flags+=("--filename=")
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||||
flags_with_completion+=("--filename")
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||||
flags_completion+=("__handle_filename_extension_flag json|yaml|yml")
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two_word_flags+=("-f")
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flags_with_completion+=("-f")
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flags_completion+=("__handle_filename_extension_flag json|yaml|yml")
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flags+=("--revision=")
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flags+=("--alsologtostderr")
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flags+=("--api-version=")
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flags+=("--certificate-authority=")
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flags+=("--client-certificate=")
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flags+=("--client-key=")
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flags+=("--cluster=")
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flags+=("--context=")
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flags+=("--insecure-skip-tls-verify")
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flags+=("--kubeconfig=")
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flags+=("--log-backtrace-at=")
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flags+=("--log-dir=")
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||||
flags+=("--log-flush-frequency=")
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flags+=("--logtostderr")
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flags+=("--match-server-version")
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flags+=("--namespace=")
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flags+=("--password=")
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||||
flags+=("--server=")
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two_word_flags+=("-s")
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flags+=("--stderrthreshold=")
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flags+=("--token=")
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flags+=("--user=")
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flags+=("--username=")
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flags+=("--v=")
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flags+=("--vmodule=")
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must_have_one_flag=()
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must_have_one_noun=()
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}
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_kubectl_rollout()
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{
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last_command="kubectl_rollout"
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commands=()
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commands+=("history")
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flags=()
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two_word_flags=()
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|
|
|
@ -0,0 +1,142 @@
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.TH "KUBERNETES" "1" " kubernetes User Manuals" "Eric Paris" "Jan 2015" ""
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.SH NAME
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.PP
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kubectl rollout history \- view rollout history
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|
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|
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.SH SYNOPSIS
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.PP
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\fBkubectl rollout history\fP [OPTIONS]
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|
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|
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.SH DESCRIPTION
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.PP
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view previous rollout revisions and configurations.
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.SH OPTIONS
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.PP
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\fB\-f\fP, \fB\-\-filename\fP=[]
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||||
Filename, directory, or URL to a file identifying the resource to get from a server.
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||||
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.PP
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\fB\-\-revision\fP=0
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See the details, including podTemplate of the revision specified
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.SH OPTIONS INHERITED FROM PARENT COMMANDS
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.PP
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\fB\-\-alsologtostderr\fP=false
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log to standard error as well as files
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.PP
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\fB\-\-api\-version\fP=""
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||||
The API version to use when talking to the server
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|
||||
.PP
|
||||
\fB\-\-certificate\-authority\fP=""
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||||
Path to a cert. file for the certificate authority.
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||||
|
||||
.PP
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||||
\fB\-\-client\-certificate\fP=""
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Path to a client certificate file for TLS.
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||||
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||||
.PP
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||||
\fB\-\-client\-key\fP=""
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Path to a client key file for TLS.
|
||||
|
||||
.PP
|
||||
\fB\-\-cluster\fP=""
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The name of the kubeconfig cluster to use
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|
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.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=""
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||||
Path to the kubeconfig file to use for CLI requests.
|
||||
|
||||
.PP
|
||||
\fB\-\-log\-backtrace\-at\fP=:0
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when logging hits line file:N, emit a stack trace
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.PP
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||||
\fB\-\-log\-dir\fP=""
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||||
If non\-empty, write log files in this directory
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||||
|
||||
.PP
|
||||
\fB\-\-log\-flush\-frequency\fP=5s
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||||
Maximum number of seconds between log flushes
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||||
|
||||
.PP
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||||
\fB\-\-logtostderr\fP=true
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||||
log to standard error instead of files
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||||
|
||||
.PP
|
||||
\fB\-\-match\-server\-version\fP=false
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||||
Require server version to match client version
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||||
|
||||
.PP
|
||||
\fB\-\-namespace\fP=""
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||||
If present, the namespace scope for this CLI request.
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||||
|
||||
.PP
|
||||
\fB\-\-password\fP=""
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||||
Password for basic authentication to the API server.
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||||
|
||||
.PP
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||||
\fB\-s\fP, \fB\-\-server\fP=""
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||||
The address and port of the Kubernetes API server
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||||
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||||
.PP
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||||
\fB\-\-stderrthreshold\fP=2
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||||
logs at or above this threshold go to stderr
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||||
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||||
.PP
|
||||
\fB\-\-token\fP=""
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||||
Bearer token for authentication to the API server.
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||||
|
||||
.PP
|
||||
\fB\-\-user\fP=""
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||||
The name of the kubeconfig user to use
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||||
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||||
.PP
|
||||
\fB\-\-username\fP=""
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||||
Username for basic authentication to the API server.
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||||
|
||||
.PP
|
||||
\fB\-\-v\fP=0
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||||
log level for V logs
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||||
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||||
.PP
|
||||
\fB\-\-vmodule\fP=
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||||
comma\-separated list of pattern=N settings for file\-filtered logging
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||||
|
||||
|
||||
.SH EXAMPLE
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||||
.PP
|
||||
.RS
|
||||
|
||||
.nf
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||||
# View the rollout history of a deployment
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||||
$ kubectl rollout history deployment/abc
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||||
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||||
.fi
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||||
.RE
|
||||
|
||||
|
||||
.SH SEE ALSO
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||||
.PP
|
||||
\fBkubectl\-rollout(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!
|
|
@ -112,7 +112,7 @@ rollout manages a deployment using subcommands
|
|||
|
||||
.SH SEE ALSO
|
||||
.PP
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||||
\fBkubectl(1)\fP,
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||||
\fBkubectl(1)\fP, \fBkubectl\-rollout\-history(1)\fP,
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||||
|
||||
|
||||
.SH HISTORY
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||||
|
|
|
@ -71,6 +71,7 @@ kubectl rollout SUBCOMMAND
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|||
### SEE ALSO
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||||
|
||||
* [kubectl](kubectl.md) - kubectl controls the Kubernetes cluster manager
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||||
* [kubectl rollout history](kubectl_rollout_history.md) - view rollout history
|
||||
|
||||
###### Auto generated by spf13/cobra on 20-Jan-2016
|
||||
|
||||
|
|
|
@ -0,0 +1,93 @@
|
|||
<!-- 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"
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||||
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 -->
|
||||
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||||
<!-- END MUNGE: UNVERSIONED_WARNING -->
|
||||
|
||||
## kubectl rollout history
|
||||
|
||||
view rollout history
|
||||
|
||||
### Synopsis
|
||||
|
||||
|
||||
view previous rollout revisions and configurations.
|
||||
|
||||
```
|
||||
kubectl rollout history (TYPE NAME | TYPE/NAME) [flags]
|
||||
```
|
||||
|
||||
### Examples
|
||||
|
||||
```
|
||||
# View the rollout history of a deployment
|
||||
$ kubectl rollout history deployment/abc
|
||||
```
|
||||
|
||||
### Options
|
||||
|
||||
```
|
||||
-f, --filename=[]: Filename, directory, or URL to a file identifying the resource to get from a server.
|
||||
--revision=0: See the details, including podTemplate of the revision specified
|
||||
```
|
||||
|
||||
### Options inherited from parent commands
|
||||
|
||||
```
|
||||
--alsologtostderr[=false]: log to standard error as well as files
|
||||
--api-version="": The API version to use when talking to the server
|
||||
--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 rollout](kubectl_rollout.md) - rollout manages a deployment
|
||||
|
||||
###### Auto generated by spf13/cobra on 29-Jan-2016
|
||||
|
||||
<!-- BEGIN MUNGE: GENERATED_ANALYTICS -->
|
||||
[![Analytics](https://kubernetes-site.appspot.com/UA-36037335-10/GitHub/docs/user-guide/kubectl/kubectl_rollout_history.md?pixel)]()
|
||||
<!-- END MUNGE: GENERATED_ANALYTICS -->
|
|
@ -452,7 +452,7 @@ func (dc *DeploymentController) rollback(deployment *extensions.Deployment, toRe
|
|||
}
|
||||
}
|
||||
for _, rc := range allRCs {
|
||||
v, err := revision(rc)
|
||||
v, err := deploymentutil.Revision(rc)
|
||||
if err != nil {
|
||||
glog.V(4).Infof("Unable to extract revision from deployment's rc %q: %v", rc.Name, err)
|
||||
continue
|
||||
|
@ -618,18 +618,10 @@ func (dc *DeploymentController) getNewRCAndAllOldRCs(deployment extensions.Deplo
|
|||
return dc.getNewRCAndMaybeFilteredOldRCs(deployment, false)
|
||||
}
|
||||
|
||||
func revision(rc *api.ReplicationController) (int64, error) {
|
||||
v, ok := rc.Annotations[deploymentutil.RevisionAnnotation]
|
||||
if !ok {
|
||||
return 0, nil
|
||||
}
|
||||
return strconv.ParseInt(v, 10, 64)
|
||||
}
|
||||
|
||||
func maxRevision(allRCs []*api.ReplicationController) int64 {
|
||||
max := int64(0)
|
||||
for _, rc := range allRCs {
|
||||
if v, err := revision(rc); err != nil {
|
||||
if v, err := deploymentutil.Revision(rc); err != nil {
|
||||
// Skip the RCs when it failed to parse their revision information
|
||||
glog.V(4).Infof("Error: %v. Couldn't parse revision for rc %#v, deployment controller will skip it when reconciling revisions.", err, rc)
|
||||
} else if v > max {
|
||||
|
@ -643,7 +635,7 @@ func maxRevision(allRCs []*api.ReplicationController) int64 {
|
|||
func lastRevision(allRCs []*api.ReplicationController) int64 {
|
||||
max, secMax := int64(0), int64(0)
|
||||
for _, rc := range allRCs {
|
||||
if v, err := revision(rc); err != nil {
|
||||
if v, err := deploymentutil.Revision(rc); err != nil {
|
||||
// Skip the RCs when it failed to parse their revision information
|
||||
glog.V(4).Infof("Error: %v. Couldn't parse revision for rc %#v, deployment controller will skip it when reconciling revisions.", err, rc)
|
||||
} else if v >= max {
|
||||
|
|
|
@ -43,5 +43,7 @@ func NewCmdRollout(f *cmdutil.Factory, out io.Writer) *cobra.Command {
|
|||
},
|
||||
}
|
||||
|
||||
cmd.AddCommand(NewCmdRolloutHistory(f, out))
|
||||
|
||||
return cmd
|
||||
}
|
||||
|
|
|
@ -0,0 +1,122 @@
|
|||
/*
|
||||
Copyright 2016 The Kubernetes Authors All rights reserved.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
package rollout
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"io"
|
||||
|
||||
"k8s.io/kubernetes/pkg/kubectl"
|
||||
cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
|
||||
"k8s.io/kubernetes/pkg/kubectl/resource"
|
||||
"k8s.io/kubernetes/pkg/util/errors"
|
||||
|
||||
"github.com/spf13/cobra"
|
||||
)
|
||||
|
||||
// HistoryOptions is the start of the data required to perform the operation. As new fields are added, add them here instead of
|
||||
// referencing the cmd.Flags()
|
||||
type HistoryOptions struct {
|
||||
Filenames []string
|
||||
}
|
||||
|
||||
const (
|
||||
history_long = `view previous rollout revisions and configurations.`
|
||||
history_example = `# View the rollout history of a deployment
|
||||
$ kubectl rollout history deployment/abc`
|
||||
)
|
||||
|
||||
func NewCmdRolloutHistory(f *cmdutil.Factory, out io.Writer) *cobra.Command {
|
||||
options := &HistoryOptions{}
|
||||
|
||||
cmd := &cobra.Command{
|
||||
Use: "history (TYPE NAME | TYPE/NAME) [flags]",
|
||||
Short: "view rollout history",
|
||||
Long: history_long,
|
||||
Example: history_example,
|
||||
Run: func(cmd *cobra.Command, args []string) {
|
||||
cmdutil.CheckErr(RunHistory(f, cmd, out, args, options))
|
||||
},
|
||||
}
|
||||
|
||||
cmd.Flags().Int64("revision", 0, "See the details, including podTemplate of the revision specified")
|
||||
usage := "Filename, directory, or URL to a file identifying the resource to get from a server."
|
||||
kubectl.AddJsonFilenameFlag(cmd, &options.Filenames, usage)
|
||||
return cmd
|
||||
}
|
||||
|
||||
func RunHistory(f *cmdutil.Factory, cmd *cobra.Command, out io.Writer, args []string, options *HistoryOptions) error {
|
||||
if len(args) == 0 && len(options.Filenames) == 0 {
|
||||
return cmdutil.UsageError(cmd, "Required resource not specified.")
|
||||
}
|
||||
revisionDetail := cmdutil.GetFlagInt64(cmd, "revision")
|
||||
|
||||
mapper, typer := f.Object()
|
||||
|
||||
cmdNamespace, enforceNamespace, err := f.DefaultNamespace()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
infos, err := resource.NewBuilder(mapper, typer, resource.ClientMapperFunc(f.ClientForMapping), f.Decoder(true)).
|
||||
NamespaceParam(cmdNamespace).DefaultNamespace().
|
||||
FilenameParam(enforceNamespace, options.Filenames...).
|
||||
ResourceTypeOrNameArgs(true, args...).
|
||||
Latest().
|
||||
Flatten().
|
||||
Do().
|
||||
Infos()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
errs := []error{}
|
||||
for _, info := range infos {
|
||||
mapping := info.ResourceMapping()
|
||||
historyViewer, err := f.HistoryViewer(mapping)
|
||||
if err != nil {
|
||||
errs = append(errs, err)
|
||||
continue
|
||||
}
|
||||
historyInfo, err := historyViewer.History(info.Namespace, info.Name)
|
||||
if err != nil {
|
||||
errs = append(errs, err)
|
||||
continue
|
||||
}
|
||||
|
||||
formattedOutput := ""
|
||||
if revisionDetail > 0 {
|
||||
// Print details of a specific revision
|
||||
template, ok := historyInfo.RevisionToTemplate[revisionDetail]
|
||||
if !ok {
|
||||
return fmt.Errorf("unable to find revision %d of %s %q", revisionDetail, mapping.Resource, info.Name)
|
||||
}
|
||||
fmt.Fprintf(out, "%s %q revision %d\n", mapping.Resource, info.Name, revisionDetail)
|
||||
formattedOutput, err = kubectl.DescribePodTemplate(template)
|
||||
} else {
|
||||
// Print all revisions
|
||||
formattedOutput, err = kubectl.PrintRolloutHistory(historyInfo, mapping.Resource, info.Name)
|
||||
}
|
||||
if err != nil {
|
||||
errs = append(errs, err)
|
||||
continue
|
||||
}
|
||||
fmt.Fprintf(out, "%s\n", formattedOutput)
|
||||
}
|
||||
|
||||
return errors.NewAggregate(errs)
|
||||
}
|
|
@ -39,6 +39,7 @@ import (
|
|||
"k8s.io/kubernetes/pkg/api/validation"
|
||||
"k8s.io/kubernetes/pkg/apimachinery/registered"
|
||||
"k8s.io/kubernetes/pkg/apis/extensions"
|
||||
clientset "k8s.io/kubernetes/pkg/client/clientset_generated/release_1_1"
|
||||
client "k8s.io/kubernetes/pkg/client/unversioned"
|
||||
"k8s.io/kubernetes/pkg/client/unversioned/clientcmd"
|
||||
"k8s.io/kubernetes/pkg/kubectl"
|
||||
|
@ -85,6 +86,8 @@ type Factory struct {
|
|||
Scaler func(mapping *meta.RESTMapping) (kubectl.Scaler, error)
|
||||
// Returns a Reaper for gracefully shutting down resources.
|
||||
Reaper func(mapping *meta.RESTMapping) (kubectl.Reaper, error)
|
||||
// Returns a HistoryViewer for viewing change history
|
||||
HistoryViewer func(mapping *meta.RESTMapping) (kubectl.HistoryViewer, error)
|
||||
// PodSelectorForObject returns the pod selector associated with the provided object
|
||||
PodSelectorForObject func(object runtime.Object) (string, error)
|
||||
// PortsForObject returns the ports associated with the provided object
|
||||
|
@ -313,6 +316,15 @@ func NewFactory(optionalClientConfig clientcmd.ClientConfig) *Factory {
|
|||
}
|
||||
return kubectl.ReaperFor(mapping.GroupVersionKind.GroupKind(), client)
|
||||
},
|
||||
HistoryViewer: func(mapping *meta.RESTMapping) (kubectl.HistoryViewer, error) {
|
||||
mappingVersion := mapping.GroupVersionKind.GroupVersion()
|
||||
client, err := clients.ClientForVersion(&mappingVersion)
|
||||
clientset := clientset.FromUnversionedClient(client)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return kubectl.HistoryViewerFor(mapping.GroupVersionKind.GroupKind(), clientset)
|
||||
},
|
||||
Validator: func(validate bool, cacheDir string) (validation.Schema, error) {
|
||||
if validate {
|
||||
client, err := clients.ClientForVersion(nil)
|
||||
|
|
|
@ -885,6 +885,20 @@ func describeReplicationController(controller *api.ReplicationController, events
|
|||
})
|
||||
}
|
||||
|
||||
func DescribePodTemplate(template *api.PodTemplateSpec) (string, error) {
|
||||
return tabbedString(func(out io.Writer) error {
|
||||
if template == nil {
|
||||
fmt.Fprintf(out, "<no template>")
|
||||
return nil
|
||||
}
|
||||
fmt.Fprintf(out, "Labels:\t%s\n", labels.FormatLabels(template.Labels))
|
||||
fmt.Fprintf(out, "Annotations:\t%s\n", labels.FormatLabels(template.Annotations))
|
||||
fmt.Fprintf(out, "Image(s):\t%s\n", makeImageList(&template.Spec))
|
||||
describeVolumes(template.Spec.Volumes, out)
|
||||
return nil
|
||||
})
|
||||
}
|
||||
|
||||
// JobDescriber generates information about a job and the pods it has created.
|
||||
type JobDescriber struct {
|
||||
client *client.Client
|
||||
|
|
|
@ -0,0 +1,139 @@
|
|||
/*
|
||||
Copyright 2016 The Kubernetes Authors All rights reserved.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
package kubectl
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"io"
|
||||
"sort"
|
||||
"strconv"
|
||||
|
||||
"k8s.io/kubernetes/pkg/api"
|
||||
"k8s.io/kubernetes/pkg/api/unversioned"
|
||||
"k8s.io/kubernetes/pkg/apis/extensions"
|
||||
clientset "k8s.io/kubernetes/pkg/client/clientset_generated/release_1_1"
|
||||
"k8s.io/kubernetes/pkg/runtime"
|
||||
deploymentutil "k8s.io/kubernetes/pkg/util/deployment"
|
||||
"k8s.io/kubernetes/pkg/util/errors"
|
||||
)
|
||||
|
||||
const (
|
||||
ChangeCauseAnnotation = "kubernetes.io/change-cause"
|
||||
)
|
||||
|
||||
// HistoryViewer provides an interface for resources that can be rolled back.
|
||||
type HistoryViewer interface {
|
||||
History(namespace, name string) (HistoryInfo, error)
|
||||
}
|
||||
|
||||
func HistoryViewerFor(kind unversioned.GroupKind, c clientset.Interface) (HistoryViewer, error) {
|
||||
switch kind {
|
||||
case extensions.Kind("Deployment"):
|
||||
return &DeploymentHistoryViewer{c}, nil
|
||||
}
|
||||
return nil, fmt.Errorf("no history viewer has been implemented for %q", kind)
|
||||
}
|
||||
|
||||
// HistoryInfo stores the mapping from revision to podTemplate;
|
||||
// note that change-cause annotation should be copied to podTemplate
|
||||
type HistoryInfo struct {
|
||||
RevisionToTemplate map[int64]*api.PodTemplateSpec
|
||||
}
|
||||
|
||||
type DeploymentHistoryViewer struct {
|
||||
c clientset.Interface
|
||||
}
|
||||
|
||||
// History returns a revision-to-RC map as the revision history of a deployment
|
||||
func (h *DeploymentHistoryViewer) History(namespace, name string) (HistoryInfo, error) {
|
||||
historyInfo := HistoryInfo{
|
||||
RevisionToTemplate: make(map[int64]*api.PodTemplateSpec),
|
||||
}
|
||||
deployment, err := h.c.Extensions().Deployments(namespace).Get(name)
|
||||
if err != nil {
|
||||
return historyInfo, fmt.Errorf("failed to retrieve deployment %s: %v", name, err)
|
||||
}
|
||||
_, allOldRCs, err := deploymentutil.GetOldRCs(*deployment, h.c)
|
||||
if err != nil {
|
||||
return historyInfo, fmt.Errorf("failed to retrieve old RCs from deployment %s: %v", name, err)
|
||||
}
|
||||
newRC, err := deploymentutil.GetNewRC(*deployment, h.c)
|
||||
if err != nil {
|
||||
return historyInfo, fmt.Errorf("failed to retrieve new RC from deployment %s: %v", name, err)
|
||||
}
|
||||
allRCs := append(allOldRCs, newRC)
|
||||
for _, rc := range allRCs {
|
||||
v, err := deploymentutil.Revision(rc)
|
||||
if err != nil {
|
||||
return historyInfo, fmt.Errorf("failed to retrieve revision out of RC %s from deployment %s: %v", rc.Name, name, err)
|
||||
}
|
||||
historyInfo.RevisionToTemplate[v] = rc.Spec.Template
|
||||
changeCause, err := getChangeCause(rc)
|
||||
if err != nil {
|
||||
return historyInfo, fmt.Errorf("failed to retrieve change-cause out of RC %s from deployment %s: %v", rc.Name, name, err)
|
||||
}
|
||||
if len(changeCause) > 0 {
|
||||
if historyInfo.RevisionToTemplate[v].Annotations == nil {
|
||||
historyInfo.RevisionToTemplate[v].Annotations = make(map[string]string)
|
||||
}
|
||||
historyInfo.RevisionToTemplate[v].Annotations[ChangeCauseAnnotation] = changeCause
|
||||
}
|
||||
}
|
||||
return historyInfo, nil
|
||||
}
|
||||
|
||||
// PrintRolloutHistory prints a formatted table of the input revision history of the deployment
|
||||
func PrintRolloutHistory(historyInfo HistoryInfo, resource, name string) (string, error) {
|
||||
if len(historyInfo.RevisionToTemplate) == 0 {
|
||||
return fmt.Sprintf("No rollout history found in %s %q", resource, name), nil
|
||||
}
|
||||
// Sort the revisionToChangeCause map by revision
|
||||
var revisions []string
|
||||
for k := range historyInfo.RevisionToTemplate {
|
||||
revisions = append(revisions, strconv.FormatInt(k, 10))
|
||||
}
|
||||
sort.Strings(revisions)
|
||||
|
||||
return tabbedString(func(out io.Writer) error {
|
||||
fmt.Fprintf(out, "%s %q:\n", resource, name)
|
||||
fmt.Fprintf(out, "REVISION\tCHANGE-CAUSE\n")
|
||||
errs := []error{}
|
||||
for _, r := range revisions {
|
||||
// Find the change-cause of revision r
|
||||
r64, err := strconv.ParseInt(r, 10, 64)
|
||||
if err != nil {
|
||||
errs = append(errs, err)
|
||||
continue
|
||||
}
|
||||
changeCause := historyInfo.RevisionToTemplate[r64].Annotations[ChangeCauseAnnotation]
|
||||
if len(changeCause) == 0 {
|
||||
changeCause = "<none>"
|
||||
}
|
||||
fmt.Fprintf(out, "%s\t%s\n", r, changeCause)
|
||||
}
|
||||
return errors.NewAggregate(errs)
|
||||
})
|
||||
}
|
||||
|
||||
// getChangeCause returns the change-cause annotation of the input object
|
||||
func getChangeCause(obj runtime.Object) (string, error) {
|
||||
meta, err := api.ObjectMetaFor(obj)
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
return meta.Annotations[ChangeCauseAnnotation], nil
|
||||
}
|
|
@ -18,6 +18,7 @@ package deployment
|
|||
|
||||
import (
|
||||
"fmt"
|
||||
"strconv"
|
||||
"time"
|
||||
|
||||
"k8s.io/kubernetes/pkg/api"
|
||||
|
@ -202,3 +203,12 @@ func getPodsForRCs(c clientset.Interface, replicationControllers []*api.Replicat
|
|||
}
|
||||
return allPods, nil
|
||||
}
|
||||
|
||||
// Revision returns the revision number of the input RC
|
||||
func Revision(rc *api.ReplicationController) (int64, error) {
|
||||
v, ok := rc.Annotations[RevisionAnnotation]
|
||||
if !ok {
|
||||
return 0, nil
|
||||
}
|
||||
return strconv.ParseInt(v, 10, 64)
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue