mirror of https://github.com/k3s-io/k3s
add jsonpath to kubectl
Dai Zuozhuo
parent
8a43bd621e
commit
b61a905b19
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@ -43,7 +43,7 @@ resourcequotas (quota) or secrets.
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.PP
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\fB\-o\fP, \fB\-\-output\fP=""
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Output format. One of: json|yaml|template|templatefile|wide.
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Output format. One of: json|yaml|template|templatefile|wide|jsonpath.
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.PP
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\fB\-\-output\-version\fP=""
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@ -67,8 +67,8 @@ resourcequotas (quota) or secrets.
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.PP
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\fB\-t\fP, \fB\-\-template\fP=""
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Template string or path to template file to use when \-o=template or \-o=templatefile. The template format is golang templates [
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\[la]http://golang.org/pkg/text/template/#pkg-overview\[ra]]
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Template string or path to template file to use when \-o=template, \-o=templatefile or \-o=jsonpath. The template format is golang templates [
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\[la]http://golang.org/pkg/text/template/#pkg-overview\[ra]]. The jsonpath template is composed of jsonpath expressions enclosed by {}
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.SH OPTIONS INHERITED FROM PARENT COMMANDS
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@ -42,7 +42,7 @@ You can use \-\-output=template \-\-template=TEMPLATE to extract specific values
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.PP
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\fB\-o\fP, \fB\-\-output\fP=""
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Output format. One of: json|yaml|template|templatefile|wide.
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Output format. One of: json|yaml|template|templatefile|wide|jsonpath.
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.PP
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\fB\-\-output\-version\fP=""
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@ -62,8 +62,8 @@ You can use \-\-output=template \-\-template=TEMPLATE to extract specific values
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.PP
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\fB\-t\fP, \fB\-\-template\fP=""
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Template string or path to template file to use when \-o=template or \-o=templatefile. The template format is golang templates [
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\[la]http://golang.org/pkg/text/template/#pkg-overview\[ra]]
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Template string or path to template file to use when \-o=template, \-o=templatefile or \-o=jsonpath. The template format is golang templates [
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\[la]http://golang.org/pkg/text/template/#pkg-overview\[ra]]. The jsonpath template is composed of jsonpath expressions enclosed by {}
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.SH OPTIONS INHERITED FROM PARENT COMMANDS
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@ -60,7 +60,7 @@ re\-use the labels from the resource it exposes.
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.PP
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\fB\-o\fP, \fB\-\-output\fP=""
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Output format. One of: json|yaml|template|templatefile|wide.
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Output format. One of: json|yaml|template|templatefile|wide|jsonpath.
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.PP
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\fB\-\-output\-version\fP=""
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@ -104,8 +104,8 @@ re\-use the labels from the resource it exposes.
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.PP
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\fB\-t\fP, \fB\-\-template\fP=""
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Template string or path to template file to use when \-o=template or \-o=templatefile. The template format is golang templates [
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\[la]http://golang.org/pkg/text/template/#pkg-overview\[ra]]
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Template string or path to template file to use when \-o=template, \-o=templatefile or \-o=jsonpath. The template format is golang templates [
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\[la]http://golang.org/pkg/text/template/#pkg-overview\[ra]]. The jsonpath template is composed of jsonpath expressions enclosed by {}
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.PP
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\fB\-\-type\fP=""
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@ -49,7 +49,7 @@ of the \-\-template flag, you can filter the attributes of the fetched resource(
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.PP
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\fB\-o\fP, \fB\-\-output\fP=""
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Output format. One of: json|yaml|template|templatefile|wide.
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Output format. One of: json|yaml|template|templatefile|wide|jsonpath.
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.PP
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\fB\-\-output\-version\fP=""
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@ -69,8 +69,8 @@ of the \-\-template flag, you can filter the attributes of the fetched resource(
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.PP
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\fB\-t\fP, \fB\-\-template\fP=""
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Template string or path to template file to use when \-o=template or \-o=templatefile. The template format is golang templates [
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\[la]http://golang.org/pkg/text/template/#pkg-overview\[ra]]
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Template string or path to template file to use when \-o=template, \-o=templatefile or \-o=jsonpath. The template format is golang templates [
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\[la]http://golang.org/pkg/text/template/#pkg-overview\[ra]]. The jsonpath template is composed of jsonpath expressions enclosed by {}
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.PP
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\fB\-w\fP, \fB\-\-watch\fP=false
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@ -40,7 +40,7 @@ If \-\-resource\-version is specified, then updates will use this resource versi
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.PP
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\fB\-o\fP, \fB\-\-output\fP=""
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Output format. One of: json|yaml|template|templatefile|wide.
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Output format. One of: json|yaml|template|templatefile|wide|jsonpath.
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.PP
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\fB\-\-output\-version\fP=""
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@ -68,8 +68,8 @@ If \-\-resource\-version is specified, then updates will use this resource versi
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.PP
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\fB\-t\fP, \fB\-\-template\fP=""
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Template string or path to template file to use when \-o=template or \-o=templatefile. The template format is golang templates [
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\[la]http://golang.org/pkg/text/template/#pkg-overview\[ra]]
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Template string or path to template file to use when \-o=template, \-o=templatefile or \-o=jsonpath. The template format is golang templates [
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\[la]http://golang.org/pkg/text/template/#pkg-overview\[ra]]. The jsonpath template is composed of jsonpath expressions enclosed by {}
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.SH OPTIONS INHERITED FROM PARENT COMMANDS
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@ -48,7 +48,7 @@ existing replication controller and overwrite at least one (common) label in its
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.PP
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\fB\-o\fP, \fB\-\-output\fP=""
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Output format. One of: json|yaml|template|templatefile|wide.
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Output format. One of: json|yaml|template|templatefile|wide|jsonpath.
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.PP
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\fB\-\-output\-version\fP=""
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@ -72,8 +72,8 @@ existing replication controller and overwrite at least one (common) label in its
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.PP
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\fB\-t\fP, \fB\-\-template\fP=""
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Template string or path to template file to use when \-o=template or \-o=templatefile. The template format is golang templates [
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\[la]http://golang.org/pkg/text/template/#pkg-overview\[ra]]
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Template string or path to template file to use when \-o=template, \-o=templatefile or \-o=jsonpath. The template format is golang templates [
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\[la]http://golang.org/pkg/text/template/#pkg-overview\[ra]]. The jsonpath template is composed of jsonpath expressions enclosed by {}
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.PP
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\fB\-\-timeout\fP=5m0s
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@ -56,7 +56,7 @@ Creates a replication controller to manage the created container(s).
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.PP
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\fB\-o\fP, \fB\-\-output\fP=""
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Output format. One of: json|yaml|template|templatefile|wide.
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Output format. One of: json|yaml|template|templatefile|wide|jsonpath.
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.PP
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\fB\-\-output\-version\fP=""
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@ -92,8 +92,8 @@ Creates a replication controller to manage the created container(s).
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.PP
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\fB\-t\fP, \fB\-\-template\fP=""
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Template string or path to template file to use when \-o=template or \-o=templatefile. The template format is golang templates [
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\[la]http://golang.org/pkg/text/template/#pkg-overview\[ra]]
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Template string or path to template file to use when \-o=template, \-o=templatefile or \-o=jsonpath. The template format is golang templates [
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\[la]http://golang.org/pkg/text/template/#pkg-overview\[ra]]. The jsonpath template is composed of jsonpath expressions enclosed by {}
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.PP
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\fB\-\-tty\fP=false
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@ -81,13 +81,13 @@ $ kubectl annotate pods foo description-
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--all[=false]: select all resources in the namespace of the specified resource types
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-h, --help[=false]: help for annotate
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--no-headers[=false]: When using the default output, don't print headers.
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-o, --output="": Output format. One of: json|yaml|template|templatefile|wide.
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-o, --output="": Output format. One of: json|yaml|template|templatefile|wide|jsonpath.
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--output-version="": Output the formatted object with the given version (default api-version).
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--overwrite[=false]: If true, allow annotations to be overwritten, otherwise reject annotation updates that overwrite existing annotations.
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--resource-version="": If non-empty, the annotation update will only succeed if this is the current resource-version for the object. Only valid when specifying a single resource.
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-a, --show-all[=false]: When printing, show all resources (default hide terminated pods.)
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--sort-by="": If non-empty, sort list types using this field specification. The field specification is expressed as a JSONPath expression (e.g. 'ObjectMeta.Name'). The field in the API resource specified by this JSONPath expression must be an integer or a string.
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-t, --template="": Template string or path to template file to use when -o=template or -o=templatefile. The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview]
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-t, --template="": Template string or path to template file to use when -o=template, -o=templatefile or -o=jsonpath. The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview]. The jsonpath template is composed of jsonpath expressions enclosed by {}
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```
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### Options inherited from parent commands
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@ -64,12 +64,12 @@ $ kubectl config view -o template --template='{{range .users}}{{ if eq .name "e2
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--merge=true: merge together the full hierarchy of kubeconfig files
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--minify[=false]: remove all information not used by current-context from the output
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--no-headers[=false]: When using the default output, don't print headers.
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-o, --output="": Output format. One of: json|yaml|template|templatefile|wide.
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-o, --output="": Output format. One of: json|yaml|template|templatefile|wide|jsonpath.
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--output-version="": Output the formatted object with the given version (default api-version).
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--raw[=false]: display raw byte data
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-a, --show-all[=false]: When printing, show all resources (default hide terminated pods.)
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--sort-by="": If non-empty, sort list types using this field specification. The field specification is expressed as a JSONPath expression (e.g. 'ObjectMeta.Name'). The field in the API resource specified by this JSONPath expression must be an integer or a string.
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-t, --template="": Template string or path to template file to use when -o=template or -o=templatefile. The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview]
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-t, --template="": Template string or path to template file to use when -o=template, -o=templatefile or -o=jsonpath. The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview]. The jsonpath template is composed of jsonpath expressions enclosed by {}
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```
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### Options inherited from parent commands
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@ -105,7 +105,11 @@ $ kubectl config view -o template --template='{{range .users}}{{ if eq .name "e2
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* [kubectl config](kubectl_config.md) - config modifies kubeconfig files
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###### Auto generated by spf13/cobra at 2015-08-18 17:36:23.977277472 +0000 UTC
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<<<<<<< HEAD
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###### Auto generated by spf13/cobra at 2015-08-12 23:41:01.310054033 +0000 UTC
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=======
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###### Auto generated by spf13/cobra at 2015-08-11 10:20:05.920471764 +0000 UTC
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>>>>>>> add jsonpath to kubectl
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<!-- BEGIN MUNGE: GENERATED_ANALYTICS -->
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[]()
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@ -76,7 +76,7 @@ $ kubectl expose rc streamer --port=4100 --protocol=udp --name=video-stream
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-l, --labels="": Labels to apply to the service created by this call.
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--name="": The name for the newly created object.
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--no-headers[=false]: When using the default output, don't print headers.
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-o, --output="": Output format. One of: json|yaml|template|templatefile|wide.
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-o, --output="": Output format. One of: json|yaml|template|templatefile|wide|jsonpath.
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--output-version="": Output the formatted object with the given version (default api-version).
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--overrides="": An inline JSON override for the generated object. If this is non-empty, it is used to override the generated object. Requires that the object supply a valid apiVersion field.
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--port=-1: The port that the service should serve on. Copied from the resource being exposed, if unspecified
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@ -87,7 +87,7 @@ $ kubectl expose rc streamer --port=4100 --protocol=udp --name=video-stream
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-a, --show-all[=false]: When printing, show all resources (default hide terminated pods.)
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--sort-by="": If non-empty, sort list types using this field specification. The field specification is expressed as a JSONPath expression (e.g. 'ObjectMeta.Name'). The field in the API resource specified by this JSONPath expression must be an integer or a string.
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--target-port="": Name or number for the port on the container that the service should direct traffic to. Optional.
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-t, --template="": Template string or path to template file to use when -o=template or -o=templatefile. The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview]
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-t, --template="": Template string or path to template file to use when -o=template, -o=templatefile or -o=jsonpath. The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview]. The jsonpath template is composed of jsonpath expressions enclosed by {}
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--type="": Type for this service: ClusterIP, NodePort, or LoadBalancer. Default is 'ClusterIP' unless --create-external-load-balancer is specified.
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```
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@ -124,7 +124,11 @@ $ kubectl expose rc streamer --port=4100 --protocol=udp --name=video-stream
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* [kubectl](kubectl.md) - kubectl controls the Kubernetes cluster manager
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###### Auto generated by spf13/cobra at 2015-08-18 17:36:23.976918949 +0000 UTC
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<<<<<<< HEAD
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###### Auto generated by spf13/cobra at 2015-08-12 23:41:01.308576759 +0000 UTC
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=======
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###### Auto generated by spf13/cobra at 2015-08-11 10:20:05.919806434 +0000 UTC
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>>>>>>> add jsonpath to kubectl
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<!-- BEGIN MUNGE: GENERATED_ANALYTICS -->
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[]()
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@ -49,7 +49,11 @@ By specifying the output as 'template' and providing a Go template as the value
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of the --template flag, you can filter the attributes of the fetched resource(s).
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```
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<<<<<<< HEAD
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kubectl get [(-o|--output=)json|yaml|template|wide|...] (TYPE [(NAME | -l label] | TYPE/NAME ...) [flags]
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=======
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kubectl get [(-o|--output=)json|yaml|template|templatefile|wide|jsonpath|...] (TYPE [NAME | -l label] | TYPE/NAME ...)
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>>>>>>> add jsonpath to kubectl
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```
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### Examples
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@ -88,12 +92,19 @@ $ kubectl get rc/web service/frontend pods/web-pod-13je7
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-h, --help[=false]: help for get
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-L, --label-columns=[]: Accepts a comma separated list of labels that are going to be presented as columns. Names are case-sensitive. You can also use multiple flag statements like -L label1 -L label2...
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--no-headers[=false]: When using the default output, don't print headers.
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-o, --output="": Output format. One of: json|yaml|template|templatefile|wide.
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-o, --output="": Output format. One of: json|yaml|template|templatefile|wide|jsonpath.
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--output-version="": Output the formatted object with the given version (default api-version).
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-l, --selector="": Selector (label query) to filter on
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<<<<<<< HEAD
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-a, --show-all[=false]: When printing, show all resources (default hide terminated pods.)
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=======
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<<<<<<< HEAD
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>>>>>>> add jsonpath to kubectl
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--sort-by="": If non-empty, sort list types using this field specification. The field specification is expressed as a JSONPath expression (e.g. 'ObjectMeta.Name'). The field in the API resource specified by this JSONPath expression must be an integer or a string.
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-t, --template="": Template string or path to template file to use when -o=template or -o=templatefile. The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview]
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=======
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-t, --template="": Template string or path to template file to use when -o=template, -o=templatefile or -o=jsonpath. The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview]. The jsonpath template is composed of jsonpath expressions enclosed by {}
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>>>>>>> add jsonpath to kubectl
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-w, --watch[=false]: After listing/getting the requested object, watch for changes.
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--watch-only[=false]: Watch for changes to the requested object(s), without listing/getting first.
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```
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@ -131,7 +142,19 @@ $ kubectl get rc/web service/frontend pods/web-pod-13je7
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* [kubectl](kubectl.md) - kubectl controls the Kubernetes cluster manager
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<<<<<<< HEAD
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###### Auto generated by spf13/cobra at 2015-08-18 17:36:23.974605429 +0000 UTC
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=======
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<<<<<<< HEAD
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###### Auto generated by spf13/cobra at 2015-08-13 06:12:05.386038784 +0000 UTC
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=======
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<<<<<<< HEAD
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###### Auto generated by spf13/cobra at 2015-08-12 23:41:01.301023165 +0000 UTC
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=======
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###### Auto generated by spf13/cobra at 2015-08-11 10:20:05.915175811 +0000 UTC
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>>>>>>> add jsonpath to kubectl
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>>>>>>> add jsonpath to kubectl
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>>>>>>> add jsonpath to kubectl
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<!-- BEGIN MUNGE: GENERATED_ANALYTICS -->
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[]()
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@ -78,14 +78,14 @@ $ kubectl label pods foo bar-
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-f, --filename=[]: Filename, directory, or URL to a file identifying the resource to update the labels
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-h, --help[=false]: help for label
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--no-headers[=false]: When using the default output, don't print headers.
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-o, --output="": Output format. One of: json|yaml|template|templatefile|wide.
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-o, --output="": Output format. One of: json|yaml|template|templatefile|wide|jsonpath.
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--output-version="": Output the formatted object with the given version (default api-version).
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--overwrite[=false]: If true, allow labels to be overwritten, otherwise reject label updates that overwrite existing labels.
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--resource-version="": If non-empty, the labels update will only succeed if this is the current resource-version for the object. Only valid when specifying a single resource.
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-l, --selector="": Selector (label query) to filter on
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-a, --show-all[=false]: When printing, show all resources (default hide terminated pods.)
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--sort-by="": If non-empty, sort list types using this field specification. The field specification is expressed as a JSONPath expression (e.g. 'ObjectMeta.Name'). The field in the API resource specified by this JSONPath expression must be an integer or a string.
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-t, --template="": Template string or path to template file to use when -o=template or -o=templatefile. The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview]
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-t, --template="": Template string or path to template file to use when -o=template, -o=templatefile or -o=jsonpath. The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview]. The jsonpath template is composed of jsonpath expressions enclosed by {}
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```
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### Options inherited from parent commands
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@ -121,7 +121,15 @@ $ kubectl label pods foo bar-
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* [kubectl](kubectl.md) - kubectl controls the Kubernetes cluster manager
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###### Auto generated by spf13/cobra at 2015-08-18 17:36:23.977042997 +0000 UTC
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<<<<<<< HEAD
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###### Auto generated by spf13/cobra at 2015-08-13 02:21:16.349210188 +0000 UTC
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=======
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<<<<<<< HEAD
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###### Auto generated by spf13/cobra at 2015-08-12 23:41:01.309176995 +0000 UTC
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=======
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###### Auto generated by spf13/cobra at 2015-08-11 10:20:05.920043611 +0000 UTC
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>>>>>>> add jsonpath to kubectl
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>>>>>>> add jsonpath to kubectl
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<!-- BEGIN MUNGE: GENERATED_ANALYTICS -->
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[]()
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|
|
@ -75,13 +75,16 @@ $ kubectl rolling-update frontend --image=image:v2
|
|||
-h, --help[=false]: help for rolling-update
|
||||
--image="": Image to use for upgrading the replication controller. Can not be used with --filename/-f
|
||||
--no-headers[=false]: When using the default output, don't print headers.
|
||||
-o, --output="": Output format. One of: json|yaml|template|templatefile|wide.
|
||||
-o, --output="": Output format. One of: json|yaml|template|templatefile|wide|jsonpath.
|
||||
--output-version="": Output the formatted object with the given version (default api-version).
|
||||
--poll-interval=3s: Time delay between polling for replication controller status after the update. Valid time units are "ns", "us" (or "µs"), "ms", "s", "m", "h".
|
||||
--rollback[=false]: If true, this is a request to abort an existing rollout that is partially rolled out. It effectively reverses current and next and runs a rollout
|
||||
-a, --show-all[=false]: When printing, show all resources (default hide terminated pods.)
|
||||
<<<<<<< HEAD
|
||||
--sort-by="": If non-empty, sort list types using this field specification. The field specification is expressed as a JSONPath expression (e.g. 'ObjectMeta.Name'). The field in the API resource specified by this JSONPath expression must be an integer or a string.
|
||||
-t, --template="": Template string or path to template file to use when -o=template or -o=templatefile. The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview]
|
||||
=======
|
||||
-t, --template="": Template string or path to template file to use when -o=template, -o=templatefile or -o=jsonpath. The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview]. The jsonpath template is composed of jsonpath expressions enclosed by {}
|
||||
>>>>>>> add jsonpath to kubectl
|
||||
--timeout=5m0s: Max time to wait for a replication controller to update before giving up. Valid time units are "ns", "us" (or "µs"), "ms", "s", "m", "h".
|
||||
--update-period=1m0s: Time to wait between updating pods. Valid time units are "ns", "us" (or "µs"), "ms", "s", "m", "h".
|
||||
```
|
||||
|
|
@ -119,7 +122,11 @@ $ kubectl rolling-update frontend --image=image:v2
|
|||
|
||||
* [kubectl](kubectl.md) - kubectl controls the Kubernetes cluster manager
|
||||
|
||||
###### Auto generated by spf13/cobra at 2015-08-18 17:36:23.97558907 +0000 UTC
|
||||
<<<<<<< HEAD
|
||||
###### Auto generated by spf13/cobra at 2015-08-12 23:41:01.305486289 +0000 UTC
|
||||
=======
|
||||
###### Auto generated by spf13/cobra at 2015-08-11 10:20:05.917101859 +0000 UTC
|
||||
>>>>>>> add jsonpath to kubectl
|
||||
|
||||
<!-- BEGIN MUNGE: GENERATED_ANALYTICS -->
|
||||
[]()
|
||||
|
|
|
|||
|
|
@ -82,7 +82,7 @@ $ kubectl run nginx --image=nginx --command -- <cmd> <arg1> ... <argN>
|
|||
--image="": The image for the container to run.
|
||||
-l, --labels="": Labels to apply to the pod(s).
|
||||
--no-headers[=false]: When using the default output, don't print headers.
|
||||
-o, --output="": Output format. One of: json|yaml|template|templatefile|wide.
|
||||
-o, --output="": Output format. One of: json|yaml|template|templatefile|wide|jsonpath.
|
||||
--output-version="": Output the formatted object with the given version (default api-version).
|
||||
--overrides="": An inline JSON override for the generated object. If this is non-empty, it is used to override the generated object. Requires that the object supply a valid apiVersion field.
|
||||
--port=-1: The port that this container exposes.
|
||||
|
|
@ -91,7 +91,7 @@ $ kubectl run nginx --image=nginx --command -- <cmd> <arg1> ... <argN>
|
|||
-a, --show-all[=false]: When printing, show all resources (default hide terminated pods.)
|
||||
--sort-by="": If non-empty, sort list types using this field specification. The field specification is expressed as a JSONPath expression (e.g. 'ObjectMeta.Name'). The field in the API resource specified by this JSONPath expression must be an integer or a string.
|
||||
-i, --stdin[=false]: Keep stdin open on the container(s) in the pod, even if nothing is attached.
|
||||
-t, --template="": Template string or path to template file to use when -o=template or -o=templatefile. The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview]
|
||||
-t, --template="": Template string or path to template file to use when -o=template, -o=templatefile or -o=jsonpath. The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview]. The jsonpath template is composed of jsonpath expressions enclosed by {}
|
||||
--tty[=false]: Allocated a TTY for each container in the pod. Because -t is currently shorthand for --template, -t is not supported for --tty. This shorthand is deprecated and we expect to adopt -t for --tty soon.
|
||||
```
|
||||
|
||||
|
|
@ -128,7 +128,15 @@ $ kubectl run nginx --image=nginx --command -- <cmd> <arg1> ... <argN>
|
|||
|
||||
* [kubectl](kubectl.md) - kubectl controls the Kubernetes cluster manager
|
||||
|
||||
###### Auto generated by spf13/cobra at 2015-08-18 17:36:23.976238275 +0000 UTC
|
||||
<<<<<<< HEAD
|
||||
###### Auto generated by spf13/cobra at 2015-08-13 16:41:44.465440991 +0000 UTC
|
||||
=======
|
||||
<<<<<<< HEAD
|
||||
###### Auto generated by spf13/cobra at 2015-08-12 23:41:01.307766241 +0000 UTC
|
||||
=======
|
||||
###### Auto generated by spf13/cobra at 2015-08-11 10:20:05.919181854 +0000 UTC
|
||||
>>>>>>> add jsonpath to kubectl
|
||||
>>>>>>> add jsonpath to kubectl
|
||||
|
||||
<!-- BEGIN MUNGE: GENERATED_ANALYTICS -->
|
||||
[]()
|
||||
|
|
|
|||
|
|
@ -51,6 +51,31 @@ kube::test::get_object_assert() {
|
|||
fi
|
||||
}
|
||||
|
||||
kube::test::get_object_jsonpath_assert() {
|
||||
local object=$1
|
||||
local request=$2
|
||||
local expected=$3
|
||||
|
||||
res=$(eval kubectl get "${kube_flags[@]}" $object -o jsonpath -t \"$request\")
|
||||
|
||||
if [[ "$res" =~ ^$expected$ ]]; then
|
||||
echo -n ${green}
|
||||
echo "Successful get $object $request: $res"
|
||||
echo -n ${reset}
|
||||
return 0
|
||||
else
|
||||
echo ${bold}${red}
|
||||
echo "FAIL!"
|
||||
echo "Get $object $request"
|
||||
echo " Expected: $expected"
|
||||
echo " Got: $res"
|
||||
echo ${reset}${red}
|
||||
caller
|
||||
echo ${reset}
|
||||
return 1
|
||||
fi
|
||||
}
|
||||
|
||||
kube::test::describe_object_assert() {
|
||||
local resource=$1
|
||||
local object=$2
|
||||
|
|
|
|||
|
|
@ -234,6 +234,11 @@ runTests() {
|
|||
kube::test::get_object_assert 'pod valid-pod' "{{$id_field}}" 'valid-pod'
|
||||
kube::test::get_object_assert 'pod/valid-pod' "{{$id_field}}" 'valid-pod'
|
||||
kube::test::get_object_assert 'pods/valid-pod' "{{$id_field}}" 'valid-pod'
|
||||
# Repeat above test using jsonpath template
|
||||
kube::test::get_object_jsonpath_assert pods "{.items[*]$id_field}" 'valid-pod'
|
||||
kube::test::get_object_jsonpath_assert 'pod valid-pod' "{$id_field}" 'valid-pod'
|
||||
kube::test::get_object_jsonpath_assert 'pod/valid-pod' "{$id_field}" 'valid-pod'
|
||||
kube::test::get_object_jsonpath_assert 'pods/valid-pod' "{$id_field}" 'valid-pod'
|
||||
# Describe command should print detailed information
|
||||
kube::test::describe_object_assert pods 'valid-pod' "Name:" "Image(s):" "Node:" "Labels:" "Status:" "Replication Controllers"
|
||||
# Describe command (resource only) should print detailed information
|
||||
|
|
|
|||
|
|
@ -69,7 +69,7 @@ func NewCmdGet(f *cmdutil.Factory, out io.Writer) *cobra.Command {
|
|||
validArgs := p.HandledResources()
|
||||
|
||||
cmd := &cobra.Command{
|
||||
Use: "get [(-o|--output=)json|yaml|template|wide|...] (TYPE [(NAME | -l label] | TYPE/NAME ...) [flags]",
|
||||
Use: "get [(-o|--output=)json|yaml|template|templatefile|wide|jsonpath|...] (TYPE [NAME | -l label] | TYPE/NAME ...)",
|
||||
Short: "Display one or many resources",
|
||||
Long: get_long,
|
||||
Example: get_example,
|
||||
|
|
|
|||
|
|
@ -28,10 +28,10 @@ import (
|
|||
|
||||
// AddPrinterFlags adds printing related flags to a command (e.g. output format, no headers, template path)
|
||||
func AddPrinterFlags(cmd *cobra.Command) {
|
||||
cmd.Flags().StringP("output", "o", "", "Output format. One of: json|yaml|template|templatefile|wide.")
|
||||
cmd.Flags().StringP("output", "o", "", "Output format. One of: json|yaml|template|templatefile|wide|jsonpath.")
|
||||
cmd.Flags().String("output-version", "", "Output the formatted object with the given version (default api-version).")
|
||||
cmd.Flags().Bool("no-headers", false, "When using the default output, don't print headers.")
|
||||
cmd.Flags().StringP("template", "t", "", "Template string or path to template file to use when -o=template or -o=templatefile. The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview]")
|
||||
cmd.Flags().StringP("template", "t", "", "Template string or path to template file to use when -o=template, -o=templatefile or -o=jsonpath. The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview]. The jsonpath template is composed of jsonpath expressions enclosed by {}")
|
||||
cmd.Flags().String("sort-by", "", "If non-empty, sort list types using this field specification. The field specification is expressed as a JSONPath expression (e.g. 'ObjectMeta.Name'). The field in the API resource specified by this JSONPath expression must be an integer or a string.")
|
||||
cmd.Flags().BoolP("show-all", "a", false, "When printing, show all resources (default hide terminated pods.)")
|
||||
}
|
||||
|
|
|
|||
|
|
@ -35,6 +35,7 @@ import (
|
|||
"k8s.io/kubernetes/pkg/conversion"
|
||||
"k8s.io/kubernetes/pkg/runtime"
|
||||
"k8s.io/kubernetes/pkg/util"
|
||||
"k8s.io/kubernetes/pkg/util/jsonpath"
|
||||
"k8s.io/kubernetes/pkg/volume"
|
||||
)
|
||||
|
||||
|
|
@ -71,6 +72,15 @@ func GetPrinter(format, formatArgument string) (ResourcePrinter, bool, error) {
|
|||
if err != nil {
|
||||
return nil, false, fmt.Errorf("error parsing template %s, %v\n", string(data), err)
|
||||
}
|
||||
case "jsonpath":
|
||||
if len(formatArgument) == 0 {
|
||||
return nil, false, fmt.Errorf("jsonpath format specified but no jsonpath template given")
|
||||
}
|
||||
var err error
|
||||
printer, err = NewJSONPathPrinter(formatArgument)
|
||||
if err != nil {
|
||||
return nil, false, fmt.Errorf("error parsing jsonpath %s, %v\n", formatArgument, err)
|
||||
}
|
||||
case "wide":
|
||||
fallthrough
|
||||
case "":
|
||||
|
|
@ -1205,3 +1215,37 @@ func indirect(v reflect.Value) (rv reflect.Value, isNil bool) {
|
|||
}
|
||||
return v, false
|
||||
}
|
||||
|
||||
// JSONPathPrinter is an implementation of ResourcePrinter which formats data with jsonpath expression.
|
||||
type JSONPathPrinter struct {
|
||||
rawTemplate string
|
||||
*jsonpath.JSONPath
|
||||
}
|
||||
|
||||
func NewJSONPathPrinter(tmpl string) (*JSONPathPrinter, error) {
|
||||
j := jsonpath.New("out")
|
||||
if err := j.Parse(tmpl); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return &JSONPathPrinter{tmpl, j}, nil
|
||||
}
|
||||
|
||||
// PrintObj formats the obj with the JSONPath Template.
|
||||
func (j *JSONPathPrinter) PrintObj(obj runtime.Object, w io.Writer) error {
|
||||
data, err := json.Marshal(obj)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
out := map[string]interface{}{}
|
||||
if err := json.Unmarshal(data, &out); err != nil {
|
||||
return err
|
||||
}
|
||||
if err = j.JSONPath.Execute(w, out); err != nil {
|
||||
fmt.Fprintf(w, "Error executing template: %v\n", err)
|
||||
fmt.Fprintf(w, "template was:\n\t%v\n", j.rawTemplate)
|
||||
fmt.Fprintf(w, "raw data was:\n\t%v\n", string(data))
|
||||
fmt.Fprintf(w, "object given to template engine was:\n\t%+v\n", out)
|
||||
return fmt.Errorf("error executing jsonpath '%v': '%v'\n----data----\n%+v\n", j.rawTemplate, err, out)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
|
|
|||
|
|
@ -164,6 +164,23 @@ func TestPrintTemplate(t *testing.T) {
|
|||
}
|
||||
}
|
||||
|
||||
func TestPrintJSONPath(t *testing.T) {
|
||||
buf := bytes.NewBuffer([]byte{})
|
||||
printer, found, err := GetPrinter("jsonpath", "{.metadata.name}")
|
||||
if err != nil || !found {
|
||||
t.Fatalf("unexpected error: %#v", err)
|
||||
}
|
||||
unversionedPod := &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}}
|
||||
obj, err := api.Scheme.ConvertToVersion(unversionedPod, testapi.Version())
|
||||
err = printer.PrintObj(obj, buf)
|
||||
if err != nil {
|
||||
t.Fatalf("unexpected error: %s %#v", buf, err)
|
||||
}
|
||||
if buf.String() != "foo" {
|
||||
t.Errorf("unexpected output: %s", buf.String())
|
||||
}
|
||||
}
|
||||
|
||||
func TestPrintEmptyTemplate(t *testing.T) {
|
||||
if _, _, err := GetPrinter("template", ""); err == nil {
|
||||
t.Errorf("unexpected non-error")
|
||||
|
|
@ -450,6 +467,10 @@ func TestPrinters(t *testing.T) {
|
|||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
jsonpathPrinter, err := NewJSONPathPrinter("{.metadata.name}")
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
printers := map[string]ResourcePrinter{
|
||||
"humanReadable": NewHumanReadablePrinter(true, false, false, false, []string{}),
|
||||
"humanReadableHeaders": NewHumanReadablePrinter(false, false, false, false, []string{}),
|
||||
|
|
@ -457,6 +478,7 @@ func TestPrinters(t *testing.T) {
|
|||
"yaml": &YAMLPrinter{},
|
||||
"template": templatePrinter,
|
||||
"template2": templatePrinter2,
|
||||
"jsonpath": jsonpathPrinter,
|
||||
}
|
||||
objects := map[string]runtime.Object{
|
||||
"pod": &api.Pod{ObjectMeta: om("pod")},
|
||||
|
|
@ -471,6 +493,7 @@ func TestPrinters(t *testing.T) {
|
|||
// map of printer name to set of objects it should fail on.
|
||||
expectedErrors := map[string]util.StringSet{
|
||||
"template2": util.NewStringSet("pod", "emptyPodList", "endpoints"),
|
||||
"jsonpath": util.NewStringSet("emptyPodList", "nonEmptyPodList", "endpoints"),
|
||||
}
|
||||
|
||||
for pName, p := range printers {
|
||||
|
|
|
|||
|
|
@ -21,7 +21,6 @@ import (
|
|||
"fmt"
|
||||
"io"
|
||||
"reflect"
|
||||
"strconv"
|
||||
|
||||
"k8s.io/kubernetes/third_party/golang/template"
|
||||
)
|
||||
|
|
@ -214,10 +213,9 @@ func (j *JSONPath) evalIdentifier(input []reflect.Value, node *IdentifierNode) (
|
|||
func (j *JSONPath) evalArray(input []reflect.Value, node *ArrayNode) ([]reflect.Value, error) {
|
||||
result := []reflect.Value{}
|
||||
for _, value := range input {
|
||||
if value.Kind() == reflect.Interface {
|
||||
value = reflect.ValueOf(value.Interface())
|
||||
}
|
||||
if value.Kind() != reflect.Array && value.Kind() != reflect.Slice {
|
||||
|
||||
value, isNil := template.Indirect(value)
|
||||
if isNil || (value.Kind() != reflect.Array && value.Kind() != reflect.Slice) {
|
||||
return input, fmt.Errorf("%v is not array or slice", value)
|
||||
}
|
||||
params := node.Params
|
||||
|
|
@ -265,9 +263,11 @@ func (j *JSONPath) evalField(input []reflect.Value, node *FieldNode) ([]reflect.
|
|||
results := []reflect.Value{}
|
||||
for _, value := range input {
|
||||
var result reflect.Value
|
||||
if value.Kind() == reflect.Interface {
|
||||
value = reflect.ValueOf(value.Interface())
|
||||
value, isNil := template.Indirect(value)
|
||||
if isNil {
|
||||
continue
|
||||
}
|
||||
|
||||
if value.Kind() == reflect.Struct {
|
||||
result = value.FieldByName(node.Value)
|
||||
} else if value.Kind() == reflect.Map {
|
||||
|
|
@ -287,6 +287,11 @@ func (j *JSONPath) evalField(input []reflect.Value, node *FieldNode) ([]reflect.
|
|||
func (j *JSONPath) evalWildcard(input []reflect.Value, node *WildcardNode) ([]reflect.Value, error) {
|
||||
results := []reflect.Value{}
|
||||
for _, value := range input {
|
||||
value, isNil := template.Indirect(value)
|
||||
if isNil {
|
||||
continue
|
||||
}
|
||||
|
||||
kind := value.Kind()
|
||||
if kind == reflect.Struct {
|
||||
for i := 0; i < value.NumField(); i++ {
|
||||
|
|
@ -310,6 +315,11 @@ func (j *JSONPath) evalRecursive(input []reflect.Value, node *RecursiveNode) ([]
|
|||
result := []reflect.Value{}
|
||||
for _, value := range input {
|
||||
results := []reflect.Value{}
|
||||
value, isNil := template.Indirect(value)
|
||||
if isNil {
|
||||
continue
|
||||
}
|
||||
|
||||
kind := value.Kind()
|
||||
if kind == reflect.Struct {
|
||||
for i := 0; i < value.NumField(); i++ {
|
||||
|
|
@ -340,9 +350,8 @@ func (j *JSONPath) evalRecursive(input []reflect.Value, node *RecursiveNode) ([]
|
|||
func (j *JSONPath) evalFilter(input []reflect.Value, node *FilterNode) ([]reflect.Value, error) {
|
||||
results := []reflect.Value{}
|
||||
for _, value := range input {
|
||||
if value.Kind() == reflect.Interface {
|
||||
value = reflect.ValueOf(value.Interface())
|
||||
}
|
||||
value, _ = template.Indirect(value)
|
||||
|
||||
if value.Kind() != reflect.Array && value.Kind() != reflect.Slice {
|
||||
return input, fmt.Errorf("%v is not array or slice", value)
|
||||
}
|
||||
|
|
@ -407,77 +416,11 @@ func (j *JSONPath) evalFilter(input []reflect.Value, node *FilterNode) ([]reflec
|
|||
|
||||
// evalToText translates reflect value to corresponding text
|
||||
func (j *JSONPath) evalToText(v reflect.Value) ([]byte, error) {
|
||||
if v.Kind() == reflect.Interface {
|
||||
v = reflect.ValueOf(v.Interface())
|
||||
iface, ok := template.PrintableValue(v)
|
||||
if !ok {
|
||||
return nil, fmt.Errorf("can't print type %s", v.Type())
|
||||
}
|
||||
var buffer bytes.Buffer
|
||||
switch v.Kind() {
|
||||
case reflect.Invalid:
|
||||
//pass
|
||||
case reflect.Ptr:
|
||||
text, err := j.evalToText(reflect.Indirect(v))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
buffer.Write(text)
|
||||
case reflect.Bool:
|
||||
if variable := v.Bool(); variable {
|
||||
buffer.WriteString("True")
|
||||
} else {
|
||||
buffer.WriteString("False")
|
||||
}
|
||||
case reflect.Float32:
|
||||
buffer.WriteString(strconv.FormatFloat(v.Float(), 'f', -1, 32))
|
||||
case reflect.Float64:
|
||||
buffer.WriteString(strconv.FormatFloat(v.Float(), 'f', -1, 64))
|
||||
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
|
||||
buffer.WriteString(strconv.FormatInt(v.Int(), 10))
|
||||
case reflect.String:
|
||||
buffer.WriteString(v.String())
|
||||
case reflect.Array, reflect.Slice:
|
||||
buffer.WriteString("[")
|
||||
for i := 0; i < v.Len(); i++ {
|
||||
text, err := j.evalToText(v.Index(i))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
buffer.Write(text)
|
||||
if i != v.Len()-1 {
|
||||
buffer.WriteString(", ")
|
||||
}
|
||||
}
|
||||
buffer.WriteString("]")
|
||||
case reflect.Struct:
|
||||
buffer.WriteString("{")
|
||||
for i := 0; i < v.NumField(); i++ {
|
||||
text, err := j.evalToText(v.Field(i))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
pair := fmt.Sprintf("%s: %s", v.Type().Field(i).Name, text)
|
||||
buffer.WriteString(pair)
|
||||
if i != v.NumField()-1 {
|
||||
buffer.WriteString(", ")
|
||||
}
|
||||
}
|
||||
buffer.WriteString("}")
|
||||
case reflect.Map:
|
||||
buffer.WriteString("{")
|
||||
for i, key := range v.MapKeys() {
|
||||
text, err := j.evalToText(v.MapIndex(key))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
pair := fmt.Sprintf("%s: %s", key, text)
|
||||
buffer.WriteString(pair)
|
||||
if i != len(v.MapKeys())-1 {
|
||||
buffer.WriteString(", ")
|
||||
}
|
||||
}
|
||||
buffer.WriteString("}")
|
||||
|
||||
default:
|
||||
return nil, fmt.Errorf("%v is not printable", v.Kind())
|
||||
}
|
||||
fmt.Fprint(&buffer, iface)
|
||||
return buffer.Bytes(), nil
|
||||
}
|
||||
|
|
|
|||
|
|
@ -19,6 +19,7 @@ package jsonpath
|
|||
import (
|
||||
"bytes"
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"testing"
|
||||
)
|
||||
|
||||
|
|
@ -69,25 +70,30 @@ func testFailJSONPath(tests []jsonpathTest, t *testing.T) {
|
|||
}
|
||||
}
|
||||
|
||||
func TestStructInput(t *testing.T) {
|
||||
type book struct {
|
||||
type book struct {
|
||||
Category string
|
||||
Author string
|
||||
Title string
|
||||
Price float32
|
||||
}
|
||||
}
|
||||
|
||||
type bicycle struct {
|
||||
func (b book) String() string {
|
||||
return fmt.Sprintf("{Category: %s, Author: %s, Title: %s, Price: %v}", b.Category, b.Author, b.Title, b.Price)
|
||||
}
|
||||
|
||||
type bicycle struct {
|
||||
Color string
|
||||
Price float32
|
||||
}
|
||||
}
|
||||
|
||||
type store struct {
|
||||
type store struct {
|
||||
Book []book
|
||||
Bicycle bicycle
|
||||
Name string
|
||||
Labels map[string]int
|
||||
}
|
||||
}
|
||||
|
||||
func TestStructInput(t *testing.T) {
|
||||
|
||||
storeData := store{
|
||||
Name: "jsonpath",
|
||||
|
|
@ -106,7 +112,7 @@ func TestStructInput(t *testing.T) {
|
|||
|
||||
storeTests := []jsonpathTest{
|
||||
{"plain", "hello jsonpath", nil, "hello jsonpath"},
|
||||
{"recursive", "{..}", []int{1, 2, 3}, "[1, 2, 3]"},
|
||||
{"recursive", "{..}", []int{1, 2, 3}, "[1 2 3]"},
|
||||
{"filter", "{[?(@<5)]}", []int{2, 6, 3, 7}, "2 3"},
|
||||
{"quote", `{"{"}`, nil, "{"},
|
||||
{"union", "{[1,3,4]}", []int{0, 1, 2, 3, 4}, "1 3 4"},
|
||||
|
|
@ -197,6 +203,7 @@ func TestKubenates(t *testing.T) {
|
|||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
nodesTests := []jsonpathTest{
|
||||
{"range item", "{range .items[*]}{.metadata.name}, {end}{.kind}", nodesData, `127.0.0.1, 127.0.0.2, List`},
|
||||
{"range addresss", "{.items[*].status.addresses[*].address}", nodesData,
|
||||
|
|
@ -205,10 +212,10 @@ func TestKubenates(t *testing.T) {
|
|||
`127.0.0.1, 127.0.0.2, 127.0.0.3, `},
|
||||
{"item name", "{.items[*].metadata.name}", nodesData, `127.0.0.1 127.0.0.2`},
|
||||
{"union nodes capacity", "{.items[*]['metadata.name', 'status.capacity']}", nodesData,
|
||||
`127.0.0.1 127.0.0.2 {cpu: 4} {cpu: 8}`},
|
||||
`127.0.0.1 127.0.0.2 map[cpu:4] map[cpu:8]`},
|
||||
{"range nodes capacity", "{range .items[*]}[{.metadata.name}, {.status.capacity}] {end}", nodesData,
|
||||
`[127.0.0.1, {cpu: 4}] [127.0.0.2, {cpu: 8}] `},
|
||||
{"user password", `{.users[?(@.name=="e2e")].user.password}`, nodesData, "secret"},
|
||||
`[127.0.0.1, map[cpu:4]] [127.0.0.2, map[cpu:8]] `},
|
||||
{"user password", `{.users[?(@.name=="e2e")].user.password}`, &nodesData, "secret"},
|
||||
}
|
||||
testJSONPath(nodesTests, t)
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,9 +1,14 @@
|
|||
//This package is copied from Go library text/template.
|
||||
//The original private functions indirect and printableValue
|
||||
//are exported as public functions.
|
||||
package template
|
||||
import (
|
||||
"reflect"
|
||||
"fmt"
|
||||
)
|
||||
|
||||
var Indirect = indirect
|
||||
var PrintableValue = printableValue
|
||||
|
||||
var (
|
||||
errorType = reflect.TypeOf((*error)(nil)).Elem()
|
||||
|
|
|
|||
Loading…
Reference in New Issue