forked from openshift/origin
/
master_config.go
92 lines (75 loc) · 3.16 KB
/
master_config.go
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package kubernetes
import (
"errors"
"fmt"
"net"
"strconv"
"github.com/GoogleCloudPlatform/kubernetes/pkg/admission"
kapi "github.com/GoogleCloudPlatform/kubernetes/pkg/api"
"github.com/GoogleCloudPlatform/kubernetes/pkg/apiserver"
"github.com/GoogleCloudPlatform/kubernetes/pkg/auth/authorizer"
kclient "github.com/GoogleCloudPlatform/kubernetes/pkg/client"
"github.com/GoogleCloudPlatform/kubernetes/pkg/master"
"github.com/GoogleCloudPlatform/kubernetes/pkg/tools"
"github.com/openshift/origin/pkg/cmd/flagtypes"
configapi "github.com/openshift/origin/pkg/cmd/server/api"
"github.com/openshift/origin/pkg/cmd/server/etcd"
)
// MasterConfig defines the required values to start a Kubernetes master
type MasterConfig struct {
MasterIP net.IP
MasterPort int
MasterCount int
NodeHosts []string
PortalNet *net.IPNet
RequestContextMapper kapi.RequestContextMapper
EtcdHelper tools.EtcdHelper
KubeClient *kclient.Client
KubeletClientConfig *kclient.KubeletConfig
Authorizer authorizer.Authorizer
AdmissionControl admission.Interface
SchedulerConfigFile string
}
func BuildKubernetesMasterConfig(options configapi.MasterConfig, requestContextMapper kapi.RequestContextMapper, kubeClient *kclient.Client) (*MasterConfig, error) {
if options.KubernetesMasterConfig == nil {
return nil, errors.New("insufficient information to build KubernetesMasterConfig")
}
// Connect and setup etcd interfaces
etcdClient, err := etcd.GetAndTestEtcdClient(options.EtcdClientInfo)
if err != nil {
return nil, err
}
ketcdHelper, err := master.NewEtcdHelper(etcdClient, options.EtcdStorageConfig.KubernetesStorageVersion, options.EtcdStorageConfig.KubernetesStoragePrefix)
if err != nil {
return nil, fmt.Errorf("Error setting up Kubernetes server storage: %v", err)
}
kubeletClientConfig := configapi.GetKubeletClientConfig(options)
portalNet := net.IPNet(flagtypes.DefaultIPNet(options.KubernetesMasterConfig.ServicesSubnet))
// in-order list of plug-ins that should intercept admission decisions
// TODO: Push node environment support to upstream in future
admissionControlPluginNames := []string{"NamespaceExists", "NamespaceLifecycle", "OriginPodNodeEnvironment", "LimitRanger", "ResourceQuota"}
admissionController := admission.NewFromPlugins(kubeClient, admissionControlPluginNames, "")
_, portString, err := net.SplitHostPort(options.ServingInfo.BindAddress)
if err != nil {
return nil, err
}
port, err := strconv.Atoi(portString)
if err != nil {
return nil, err
}
kmaster := &MasterConfig{
MasterIP: net.ParseIP(options.KubernetesMasterConfig.MasterIP),
MasterPort: port,
MasterCount: options.KubernetesMasterConfig.MasterCount,
NodeHosts: options.KubernetesMasterConfig.StaticNodeNames,
PortalNet: &portalNet,
RequestContextMapper: requestContextMapper,
EtcdHelper: ketcdHelper,
KubeClient: kubeClient,
KubeletClientConfig: kubeletClientConfig,
Authorizer: apiserver.NewAlwaysAllowAuthorizer(),
AdmissionControl: admissionController,
SchedulerConfigFile: options.KubernetesMasterConfig.SchedulerConfigFile,
}
return kmaster, nil
}