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generate.go
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generate.go
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package generator
import (
"fmt"
kapi "github.com/GoogleCloudPlatform/kubernetes/pkg/api"
"github.com/GoogleCloudPlatform/kubernetes/pkg/kubectl"
"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
"github.com/openshift/origin/pkg/route/api"
)
// RouteGenerator implements the kubectl.Generator interface for routes
type RouteGenerator struct{}
// ParamNames returns the parameters required for generating a route
func (RouteGenerator) ParamNames() []kubectl.GeneratorParam {
return []kubectl.GeneratorParam{
{"labels", false},
{"default-name", true},
{"name", false},
{"hostname", false},
}
}
// Generate accepts a set of parameters and maps them into a new route
func (RouteGenerator) Generate(params map[string]string) (runtime.Object, error) {
var (
labels map[string]string
err error
)
labelString, found := params["labels"]
if found && len(labelString) > 0 {
labels, err = kubectl.ParseLabels(labelString)
if err != nil {
return nil, err
}
}
name, found := params["name"]
if !found || len(name) == 0 {
name, found = params["default-name"]
if !found || len(name) == 0 {
return nil, fmt.Errorf("'name' is a required parameter.")
}
}
return &api.Route{
ObjectMeta: kapi.ObjectMeta{
Name: name,
Labels: labels,
},
Host: params["hostname"],
ServiceName: params["default-name"],
}, nil
}
// Useful pattern for validating that RouteGenerator implements
// the Generator interface
var _ kubectl.Generator = RouteGenerator{}