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Kubectl expose command accepts a filename param

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This commit is contained in:
feihujiang
2015-08-11 16:38:27 +08:00
parent 0ded91c521
commit c0b2098844
5 changed files with 104 additions and 12 deletions
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21
pkg/kubectl/cmd/expose.go
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@@ -20,11 +20,11 @@ import (
"fmt"
"io"
"github.com/spf13/cobra"
"k8s.io/kubernetes/pkg/kubectl"
cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
"k8s.io/kubernetes/pkg/kubectl/resource"
"github.com/spf13/cobra"
)
const (
@@ -37,6 +37,9 @@ re-use the labels from the resource it exposes.`
expose_example = `// Creates a service for a replicated nginx, which serves on port 80 and connects to the containers on port 8000.
$ kubectl expose rc nginx --port=80 --target-port=8000
# Creates a service for a replication controller identified by type and name specified in "nginx-controller.yaml", which serves on port 80 and connects to the containers on port 8000.
$ kubectl expose -f nginx-controller.yaml --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 --target-port=8443 --name=nginx-https
@@ -46,7 +49,7 @@ $ kubectl expose rc streamer --port=4100 --protocol=udp --name=video-stream`
func NewCmdExposeService(f *cmdutil.Factory, out io.Writer) *cobra.Command {
cmd := &cobra.Command{
Use: "expose TYPE NAME --port=port [--protocol=TCP|UDP] [--target-port=number-or-name] [--name=name] [--public-ip=ip] [--type=type]",
Use: "expose (-f FILENAME | TYPE NAME) --port=port [--protocol=TCP|UDP] [--target-port=number-or-name] [--name=name] [--public-ip=ip] [--type=type]",
Short: "Take a replicated application and expose it as Kubernetes Service",
Long: expose_long,
Example: expose_example,
@@ -71,11 +74,14 @@ func NewCmdExposeService(f *cmdutil.Factory, out io.Writer) *cobra.Command {
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("name", "", "The name for the newly created object.")
cmd.Flags().String("session-affinity", "", "If non-empty, set the session affinity for the service to this; legal values: 'None', 'ClientIP'")
usage := "Filename, directory, or URL to a file identifying the resource to expose a service"
kubectl.AddJsonFilenameFlag(cmd, usage)
return cmd
}
func RunExpose(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []string) error {
namespace, _, err := f.DefaultNamespace()
namespace, enforceNamespace, err := f.DefaultNamespace()
if err != nil {
return err
}
@@ -84,6 +90,7 @@ func RunExpose(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []str
r := resource.NewBuilder(mapper, typer, f.ClientMapperForCommand()).
ContinueOnError().
NamespaceParam(namespace).DefaultNamespace().
FilenameParam(enforceNamespace, cmdutil.GetFlagStringSlice(cmd, "filename")...).
ResourceTypeOrNameArgs(false, args...).
Flatten().
Do()
@@ -91,10 +98,6 @@ func RunExpose(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []str
if err != nil {
return err
}
mapping, err := r.ResourceMapping()
if err != nil {
return err
}
infos, err := r.Infos()
if err != nil {
return err
@@ -103,6 +106,7 @@ func RunExpose(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []str
return fmt.Errorf("multiple resources provided: %v", args)
}
info := infos[0]
mapping := info.ResourceMapping()
// Get the input object
client, err := f.RESTClient(mapping)
@@ -201,6 +205,5 @@ func RunExpose(f *cmdutil.Factory, out io.Writer, cmd *cobra.Command, args []str
return err
}
}
return f.PrintObject(cmd, object, out)
}