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Merge pull request #6034 from thockin/target_port_flag

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Alias --container-port to --target-port in kubectl
This commit is contained in:
Jeff Lowdermilk 2015-03-27 09:56:33 -07:00
commit 803086c2c6
3 changed files with 17 additions and 11 deletions
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9
docs/kubectl-expose.md
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@ -11,17 +11,17 @@ Looks up a replication controller or service by name and uses the selector for t
selector for a new Service on the specified port.
```
kubectl expose RESOURCE NAME --port=port [--protocol=TCP|UDP] [--container-port=number-or-name] [--service-name=name] [--public-ip=ip] [--create-external-load-balancer=bool]
kubectl expose RESOURCE NAME --port=port [--protocol=TCP|UDP] [--target-port=number-or-name] [--service-name=name] [--public-ip=ip] [--create-external-load-balancer=bool]
```
### Examples
```
// Creates a service for a replicated nginx, which serves on port 80 and connects to the containers on port 8000.
$ kubectl expose nginx --port=80 --container-port=8000
$ kubectl expose nginx --port=80 --target-port=8000
// Creates a second service based on the above service, exposing the container port 8443 as port 443 with the name "nginx-https"
$ kubectl expose service nginx --port=443 --container-port=8443 --service-name=nginx-https
$ kubectl expose service nginx --port=443 --target-port=8443 --service-name=nginx-https
// Create a service for a replicated streaming application on port 4100 balancing UDP traffic and named 'video-stream'.
$ kubectl expose streamer --port=4100 --protocol=udp --service-name=video-stream
@ -30,7 +30,7 @@ $ kubectl expose streamer --port=4100 --protocol=udp --service-name=video-stream
### Options
```
--container-port="": Name or number for the port on the container that the service should direct traffic to. Optional.
--container-port="": Synonym for --target-port
--create-external-load-balancer=false: If true, create an external load balancer for this service. Implementation is cloud provider dependent. Default is 'false'.
--dry-run=false: If true, only print the object that would be sent, without creating it.
--generator="service/v1": The name of the API generator to use. Default is 'service/v1'.
@ -45,6 +45,7 @@ $ kubectl expose streamer --port=4100 --protocol=udp --service-name=video-stream
--public-ip="": Name of a public IP address to set for the service. The service will be assigned this IP in addition to its generated service IP.
--selector="": A label selector to use for this service. If empty (the default) infer the selector from the replication controller.
--service-name="": The name for the newly created service.
--target-port="": Name or number for the port on the container that the service should direct traffic to. Optional.
-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]
```

10
docs/man/man1/kubectl-expose.1
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@ -23,7 +23,7 @@ selector for a new Service on the specified port.
.SH OPTIONS
.PP
\fB\-\-container\-port\fP=""
Name or number for the port on the container that the service should direct traffic to. Optional.
Synonym for \-\-target\-port
.PP
\fB\-\-create\-external\-load\-balancer\fP=false
@ -81,6 +81,10 @@ selector for a new Service on the specified port.
\fB\-\-service\-name\fP=""
The name for the newly created service.
.PP
\fB\-\-target\-port\fP=""
Name or number for the port on the container that the service should direct traffic to. Optional.
.PP
\fB\-t\fP, \fB\-\-template\fP=""
Template string or path to template file to use when \-o=template or \-o=templatefile. The template format is golang templates [
@ -195,10 +199,10 @@ selector for a new Service on the specified port.
.nf
// Creates a service for a replicated nginx, which serves on port 80 and connects to the containers on port 8000.
$ kubectl expose nginx \-\-port=80 \-\-container\-port=8000
$ kubectl expose nginx \-\-port=80 \-\-target\-port=8000
// Creates a second service based on the above service, exposing the container port 8443 as port 443 with the name "nginx\-https"
$ kubectl expose service nginx \-\-port=443 \-\-container\-port=8443 \-\-service\-name=nginx\-https
$ kubectl expose service nginx \-\-port=443 \-\-target\-port=8443 \-\-service\-name=nginx\-https
// Create a service for a replicated streaming application on port 4100 balancing UDP traffic and named 'video\-stream'.
$ kubectl expose streamer \-\-port=4100 \-\-protocol=udp \-\-service\-name=video\-stream

9
pkg/kubectl/cmd/expose.go
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@ -33,10 +33,10 @@ Looks up a replication controller or service by name and uses the selector for t
selector for a new Service on the specified port.`
expose_example = `// Creates a service for a replicated nginx, which serves on port 80 and connects to the containers on port 8000.
$ kubectl expose nginx --port=80 --container-port=8000
$ kubectl expose nginx --port=80 --target-port=8000
// Creates a second service based on the above service, exposing the container port 8443 as port 443 with the name "nginx-https"
$ kubectl expose service nginx --port=443 --container-port=8443 --service-name=nginx-https
$ kubectl expose service nginx --port=443 --target-port=8443 --service-name=nginx-https
// Create a service for a replicated streaming application on port 4100 balancing UDP traffic and named 'video-stream'.
$ kubectl expose streamer --port=4100 --protocol=udp --service-name=video-stream`
@ -44,7 +44,7 @@ $ kubectl expose streamer --port=4100 --protocol=udp --service-name=video-stream
func (f *Factory) NewCmdExposeService(out io.Writer) *cobra.Command {
cmd := &cobra.Command{
Use: "expose RESOURCE NAME --port=port [--protocol=TCP|UDP] [--container-port=number-or-name] [--service-name=name] [--public-ip=ip] [--create-external-load-balancer=bool]",
Use: "expose RESOURCE NAME --port=port [--protocol=TCP|UDP] [--target-port=number-or-name] [--service-name=name] [--public-ip=ip] [--create-external-load-balancer=bool]",
Short: "Take a replicated application and expose it as Kubernetes Service",
Long: expose_long,
Example: expose_example,
@ -61,7 +61,8 @@ func (f *Factory) NewCmdExposeService(out io.Writer) *cobra.Command {
cmd.Flags().String("selector", "", "A label selector to use for this service. If empty (the default) infer the selector from the replication controller.")
cmd.Flags().StringP("labels", "l", "", "Labels to apply to the service created by this call.")
cmd.Flags().Bool("dry-run", false, "If true, only print the object that would be sent, without creating it.")
cmd.Flags().String("container-port", "", "Name or number for the port on the container that the service should direct traffic to. Optional.")
cmd.Flags().String("container-port", "", "Synonym for --target-port")
cmd.Flags().String("target-port", "", "Name or number for the port on the container that the service should direct traffic to. Optional.")
cmd.Flags().String("public-ip", "", "Name of a public IP address to set for the service. The service will be assigned this IP in addition to its generated service IP.")
cmd.Flags().String("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.")
cmd.Flags().String("service-name", "", "The name for the newly created service.")