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service_catalog.go
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service_catalog.go
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package service_catalog
import (
"fmt"
"io/ioutil"
"net/url"
"path"
"github.com/golang/glog"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/client-go/kubernetes"
aggregatorclient "k8s.io/kube-aggregator/pkg/client/clientset_generated/clientset"
"k8s.io/kubernetes/pkg/apis/rbac"
kclientset "k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset"
"k8s.io/kubernetes/pkg/registry/rbac/reconciliation"
configapi "github.com/openshift/origin/pkg/cmd/server/apis/config"
configapilatest "github.com/openshift/origin/pkg/cmd/server/apis/config/latest"
"github.com/openshift/origin/pkg/cmd/util/variable"
"github.com/openshift/origin/pkg/oc/clusteradd/componentinstall"
"github.com/openshift/origin/pkg/oc/clusterup/coreinstall/kubeapiserver"
"github.com/openshift/origin/pkg/oc/clusterup/docker/dockerhelper"
"github.com/openshift/origin/pkg/oc/clusterup/docker/errors"
"github.com/openshift/origin/pkg/oc/clusterup/manifests"
)
const (
catalogNamespace = "kube-service-catalog"
ServiceCatalogServiceIP = "172.30.1.2"
)
type ServiceCatalogComponentOptions struct {
InstallContext componentinstall.Context
}
func (c *ServiceCatalogComponentOptions) Name() string {
return "openshift-service-catalog"
}
func (c *ServiceCatalogComponentOptions) Install(dockerClient dockerhelper.Interface) error {
kubeAdminClient, err := kubernetes.NewForConfig(c.InstallContext.ClusterAdminClientConfig())
if err != nil {
return err
}
kubeInternalAdminClient, err := kclientset.NewForConfig(c.InstallContext.ClusterAdminClientConfig())
if err != nil {
return err
}
for _, role := range getServiceCatalogClusterRoles() {
if _, err := (&reconciliation.ReconcileRoleOptions{
Confirm: true,
RemoveExtraPermissions: false,
Role: reconciliation.ClusterRoleRuleOwner{ClusterRole: &role},
Client: reconciliation.ClusterRoleModifier{
Client: kubeInternalAdminClient.Rbac().ClusterRoles(),
},
}).Run(); err != nil {
return errors.NewError("could not reconcile service catalog cluster role %s", role.Name).WithCause(err)
}
}
// Instantiate service catalog
imageTemplate := variable.NewDefaultImageTemplate()
imageTemplate.Format = c.InstallContext.ImageFormat()
imageTemplate.Latest = false
configBytes, err := ioutil.ReadFile(path.Join(c.InstallContext.BaseDir(), kubeapiserver.KubeAPIServerDirName, "master-config.yaml"))
if err != nil {
return err
}
configObj, err := runtime.Decode(configapilatest.Codec, configBytes)
if err != nil {
return err
}
masterConfig, ok := configObj.(*configapi.MasterConfig)
if !ok {
return fmt.Errorf("the %#v is not MasterConfig", configObj)
}
masterURL, err := url.Parse(masterConfig.MasterPublicURL)
if err != nil {
return err
}
params := map[string]string{
"SERVICE_CATALOG_SERVICE_IP": ServiceCatalogServiceIP,
"CORS_ALLOWED_ORIGIN": masterURL.Hostname(),
"SERVICE_CATALOG_IMAGE": imageTemplate.ExpandOrDie("service-catalog"),
}
aggregatorClient, err := aggregatorclient.NewForConfig(c.InstallContext.ClusterAdminClientConfig())
if err != nil {
return err
}
// Stands up the service catalog apiserver, etcd, and controller manager
component := componentinstall.Template{
Name: "service-catalog",
Namespace: catalogNamespace,
RBACTemplate: manifests.MustAsset("examples/service-catalog/service-catalog-rbac.yaml"),
InstallTemplate: manifests.MustAsset("examples/service-catalog/service-catalog.yaml"),
// Wait for the apiserver endpoint to become available
WaitCondition: func() (bool, error) {
glog.V(2).Infof("polling for service catalog api server endpoint availability")
deployment, err := kubeAdminClient.AppsV1().Deployments(catalogNamespace).Get("apiserver", metav1.GetOptions{})
if err != nil {
return false, err
}
if deployment.Status.AvailableReplicas == 0 {
return false, nil
}
return componentinstall.CheckForAPIs(aggregatorClient, "v1beta1.servicecatalog.k8s.io")
},
}
err = component.MakeReady(
c.InstallContext.ClientImage(),
c.InstallContext.BaseDir(),
params).Install(dockerClient)
if err != nil {
return err
}
return nil
}
// TODO move to template
func getServiceCatalogClusterRoles() []rbac.ClusterRole {
return []rbac.ClusterRole{
{
ObjectMeta: metav1.ObjectMeta{
Name: "system:openshift:service-catalog:aggregate-to-admin",
Labels: map[string]string{"rbac.authorization.k8s.io/aggregate-to-admin": "true"},
},
Rules: []rbac.PolicyRule{
rbac.NewRule("create", "update", "delete", "get", "list", "watch", "patch").Groups("servicecatalog.k8s.io").Resources("serviceinstances", "servicebindings").RuleOrDie(),
rbac.NewRule("create", "update", "delete", "get", "list", "watch").Groups("settings.k8s.io").Resources("podpresets").RuleOrDie(),
},
},
{
ObjectMeta: metav1.ObjectMeta{
Name: "system:openshift:service-catalog:aggregate-to-edit",
Labels: map[string]string{"rbac.authorization.k8s.io/aggregate-to-edit": "true"},
},
Rules: []rbac.PolicyRule{
rbac.NewRule("create", "update", "delete", "get", "list", "watch", "patch").Groups("servicecatalog.k8s.io").Resources("serviceinstances", "servicebindings").RuleOrDie(),
rbac.NewRule("create", "update", "delete", "get", "list", "watch").Groups("settings.k8s.io").Resources("podpresets").RuleOrDie(),
},
},
{
ObjectMeta: metav1.ObjectMeta{
Name: "system:openshift:service-catalog:aggregate-to-view",
Labels: map[string]string{"rbac.authorization.k8s.io/aggregate-to-view": "true"},
},
Rules: []rbac.PolicyRule{
rbac.NewRule("get", "list", "watch").Groups("servicecatalog.k8s.io").Resources("serviceinstances", "servicebindings").RuleOrDie(),
},
},
{
ObjectMeta: metav1.ObjectMeta{
Name: "system:openshift:clusterservicebroker-client",
},
Rules: []rbac.PolicyRule{
rbac.NewRule("create", "update", "delete", "get", "list", "watch", "patch").Groups("servicecatalog.k8s.io").Resources("clusterservicebrokers").RuleOrDie(),
},
},
}
}