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conversion.go
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conversion.go
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// conversion-gen is a tool for auto-generating Conversion functions.
//
// Structs in the input directories with the below line in their comments
// will be ignored during generation.
// // +genconversion=false
package main
import (
"strings"
"github.com/golang/glog"
"k8s.io/gengo/args"
"k8s.io/gengo/generator"
"k8s.io/kubernetes/cmd/libs/go2idl/conversion-gen/generators"
"k8s.io/kubernetes/pkg/util/sets"
)
func main() {
arguments := args.Default()
// These are the packages we expect generated conversions for
expectedPackages := sets.NewString(
"github.com/openshift/origin/pkg/authorization/api/v1",
"github.com/openshift/origin/pkg/build/api/v1",
"github.com/openshift/origin/pkg/deploy/api/v1",
"github.com/openshift/origin/pkg/image/api/v1",
"github.com/openshift/origin/pkg/oauth/api/v1",
"github.com/openshift/origin/pkg/project/api/v1",
"github.com/openshift/origin/pkg/quota/api/v1",
"github.com/openshift/origin/pkg/route/api/v1",
"github.com/openshift/origin/pkg/sdn/api/v1",
"github.com/openshift/origin/pkg/template/api/v1",
"github.com/openshift/origin/pkg/user/api/v1",
"github.com/openshift/origin/pkg/security/api/v1",
)
// These are the packages containing types and conversion functions used by the packages we want to generate for
supportingPackages := sets.NewString(
"k8s.io/kubernetes/pkg/api/v1",
"k8s.io/kubernetes/pkg/api",
"k8s.io/kubernetes/pkg/runtime",
"k8s.io/kubernetes/pkg/conversion",
"github.com/openshift/origin/pkg/authorization/api",
"github.com/openshift/origin/pkg/build/api",
"github.com/openshift/origin/pkg/deploy/api",
"github.com/openshift/origin/pkg/image/api",
"github.com/openshift/origin/pkg/oauth/api",
"github.com/openshift/origin/pkg/project/api",
"github.com/openshift/origin/pkg/quota/api",
"github.com/openshift/origin/pkg/route/api",
"github.com/openshift/origin/pkg/sdn/api",
"github.com/openshift/origin/pkg/template/api",
"github.com/openshift/origin/pkg/user/api",
"github.com/openshift/origin/pkg/security/api",
)
// Override defaults. These are Kubernetes specific input locations.
arguments.InputDirs = sets.NewString().Union(expectedPackages).Union(supportingPackages).List()
arguments.GeneratedBuildTag = "ignore_autogenerated_openshift"
arguments.GoHeaderFilePath = "hack/boilerplate.txt"
arguments.OutputFileBaseName = "zz_generated.conversion"
foundPackages := sets.NewString()
if err := arguments.Execute(
generators.NameSystems(),
generators.DefaultNameSystem(),
func(context *generator.Context, arguments *args.GeneratorArgs) generator.Packages {
pkgs := generators.Packages(context, arguments)
var include generator.Packages
for _, pkg := range pkgs {
foundPackages.Insert(pkg.Path())
if strings.HasPrefix(pkg.Path(), "k8s.io/") {
continue
}
include = append(include, pkg)
}
return include
},
); err != nil {
glog.Fatalf("Error: %v", err)
}
if missing := expectedPackages.Difference(foundPackages); len(missing) > 0 {
glog.Fatalf("Missing expected packages:\n%v", missing.List())
}
glog.Info("Completed successfully.")
}