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server.go
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server.go
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package server
import (
"errors"
"fmt"
"net"
"net/url"
"os"
"path"
"time"
"github.com/golang/glog"
"github.com/openshift/origin/pkg/cmd/server/bootstrappolicy"
kapi "k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/client/restclient"
kclient "k8s.io/kubernetes/pkg/client/unversioned"
"k8s.io/kubernetes/pkg/util/wait"
"github.com/openshift/origin/pkg/client"
newproject "github.com/openshift/origin/pkg/cmd/admin/project"
"github.com/openshift/origin/pkg/cmd/server/admin"
configapi "github.com/openshift/origin/pkg/cmd/server/api"
"github.com/openshift/origin/pkg/cmd/server/kubernetes"
"github.com/openshift/origin/pkg/cmd/server/start"
cmdutil "github.com/openshift/origin/pkg/cmd/util"
utilflags "github.com/openshift/origin/pkg/cmd/util/flags"
"github.com/openshift/origin/test/util"
// install all APIs
_ "github.com/openshift/origin/pkg/api/install"
_ "k8s.io/kubernetes/pkg/api/install"
_ "k8s.io/kubernetes/pkg/apis/extensions/install"
)
// ServiceAccountWaitTimeout is used to determine how long to wait for the service account
// controllers to start up, and populate the service accounts in the test namespace
const ServiceAccountWaitTimeout = 30 * time.Second
// PodCreationWaitTimeout is used to determine how long to wait after the service account token
// is available for the admission control cache to catch up and allow pod creation
const PodCreationWaitTimeout = 10 * time.Second
// FindAvailableBindAddress returns a bind address on 127.0.0.1 with a free port in the low-high range.
// If lowPort is 0, an ephemeral port is allocated.
func FindAvailableBindAddress(lowPort, highPort int) (string, error) {
if highPort < lowPort {
return "", errors.New("lowPort must be <= highPort")
}
for port := lowPort; port <= highPort; port++ {
l, err := net.Listen("tcp", fmt.Sprintf("127.0.0.1:%d", port))
if err != nil {
if port == 0 {
// Only get one shot to get an ephemeral port
return "", err
}
continue
}
defer l.Close()
return l.Addr().String(), nil
}
return "", fmt.Errorf("Could not find available port in the range %d-%d", lowPort, highPort)
}
func setupStartOptions(startEtcd, useDefaultPort bool) (*start.MasterArgs, *start.NodeArgs, *start.ListenArg, *start.ImageFormatArgs, *start.KubeConnectionArgs) {
masterArgs, nodeArgs, listenArg, imageFormatArgs, kubeConnectionArgs := start.GetAllInOneArgs()
basedir := util.GetBaseDir()
nodeArgs.NodeName = "127.0.0.1"
nodeArgs.VolumeDir = path.Join(basedir, "volume")
masterArgs.EtcdDir = path.Join(basedir, "etcd")
masterArgs.ConfigDir.Default(path.Join(basedir, "openshift.local.config", "master"))
nodeArgs.ConfigDir.Default(path.Join(basedir, "openshift.local.config", nodeArgs.NodeName))
nodeArgs.MasterCertDir = masterArgs.ConfigDir.Value()
if !useDefaultPort {
// don't wait for nodes to come up
masterAddr := os.Getenv("OS_MASTER_ADDR")
if len(masterAddr) == 0 {
if addr, err := FindAvailableBindAddress(12000, 12999); err != nil {
glog.Fatalf("Couldn't find free address for master: %v", err)
} else {
masterAddr = addr
}
}
fmt.Printf("masterAddr: %#v\n", masterAddr)
masterArgs.MasterAddr.Set(masterAddr)
listenArg.ListenAddr.Set(masterAddr)
}
if !startEtcd {
masterArgs.EtcdAddr.Set(util.GetEtcdURL())
}
dnsAddr := os.Getenv("OS_DNS_ADDR")
if len(dnsAddr) == 0 {
if addr, err := FindAvailableBindAddress(8053, 8100); err != nil {
glog.Fatalf("Couldn't find free address for DNS: %v", err)
} else {
dnsAddr = addr
}
}
masterArgs.DNSBindAddr.Set(dnsAddr)
return masterArgs, nodeArgs, listenArg, imageFormatArgs, kubeConnectionArgs
}
func DefaultMasterOptions() (*configapi.MasterConfig, error) {
return DefaultMasterOptionsWithTweaks(false, false)
}
func DefaultMasterOptionsWithTweaks(startEtcd, useDefaultPort bool) (*configapi.MasterConfig, error) {
startOptions := start.MasterOptions{}
startOptions.MasterArgs, _, _, _, _ = setupStartOptions(startEtcd, useDefaultPort)
startOptions.Complete()
startOptions.MasterArgs.ConfigDir.Default(path.Join(util.GetBaseDir(), "openshift.local.config", "master"))
if err := CreateMasterCerts(startOptions.MasterArgs); err != nil {
return nil, err
}
if err := CreateBootstrapPolicy(startOptions.MasterArgs); err != nil {
return nil, err
}
masterConfig, err := startOptions.MasterArgs.BuildSerializeableMasterConfig()
if err != nil {
return nil, err
}
masterConfig.ImagePolicyConfig.ScheduledImageImportMinimumIntervalSeconds = 1
// force strict handling of service account secret references by default, so that all our examples and controllers will handle it.
masterConfig.ServiceAccountConfig.LimitSecretReferences = true
return masterConfig, nil
}
func CreateBootstrapPolicy(masterArgs *start.MasterArgs) error {
createBootstrapPolicy := &admin.CreateBootstrapPolicyFileOptions{
File: path.Join(masterArgs.ConfigDir.Value(), "policy.json"),
OpenShiftSharedResourcesNamespace: "openshift",
}
if err := createBootstrapPolicy.Validate(nil); err != nil {
return err
}
if err := createBootstrapPolicy.CreateBootstrapPolicyFile(); err != nil {
return err
}
return nil
}
func CreateMasterCerts(masterArgs *start.MasterArgs) error {
hostnames, err := masterArgs.GetServerCertHostnames()
if err != nil {
return err
}
masterURL, err := masterArgs.GetMasterAddress()
if err != nil {
return err
}
publicMasterURL, err := masterArgs.GetMasterPublicAddress()
if err != nil {
return err
}
createMasterCerts := admin.CreateMasterCertsOptions{
CertDir: masterArgs.ConfigDir.Value(),
SignerName: admin.DefaultSignerName(),
Hostnames: hostnames.List(),
APIServerURL: masterURL.String(),
PublicAPIServerURL: publicMasterURL.String(),
Output: os.Stderr,
}
if err := createMasterCerts.Validate(nil); err != nil {
return err
}
if err := createMasterCerts.CreateMasterCerts(); err != nil {
return err
}
return nil
}
func CreateNodeCerts(nodeArgs *start.NodeArgs, masterURL string) error {
getSignerOptions := &admin.SignerCertOptions{
CertFile: admin.DefaultCertFilename(nodeArgs.MasterCertDir, "ca"),
KeyFile: admin.DefaultKeyFilename(nodeArgs.MasterCertDir, "ca"),
SerialFile: admin.DefaultSerialFilename(nodeArgs.MasterCertDir, "ca"),
}
createNodeConfig := admin.NewDefaultCreateNodeConfigOptions()
createNodeConfig.Output = os.Stdout
createNodeConfig.SignerCertOptions = getSignerOptions
createNodeConfig.NodeConfigDir = nodeArgs.ConfigDir.Value()
createNodeConfig.NodeName = nodeArgs.NodeName
createNodeConfig.Hostnames = []string{nodeArgs.NodeName}
createNodeConfig.ListenAddr = nodeArgs.ListenArg.ListenAddr
createNodeConfig.APIServerURL = masterURL
createNodeConfig.APIServerCAFiles = []string{admin.DefaultCertFilename(nodeArgs.MasterCertDir, "ca")}
createNodeConfig.NodeClientCAFile = admin.DefaultCertFilename(nodeArgs.MasterCertDir, "ca")
if err := createNodeConfig.Validate(nil); err != nil {
return err
}
if err := createNodeConfig.CreateNodeFolder(); err != nil {
return err
}
return nil
}
func DefaultAllInOneOptions() (*configapi.MasterConfig, *configapi.NodeConfig, *utilflags.ComponentFlag, error) {
startOptions := start.AllInOneOptions{MasterOptions: &start.MasterOptions{}, NodeArgs: &start.NodeArgs{}}
startOptions.MasterOptions.MasterArgs, startOptions.NodeArgs, _, _, _ = setupStartOptions(false, false)
startOptions.NodeArgs.AllowDisabledDocker = true
startOptions.NodeArgs.Components.Disable("plugins", "proxy", "dns")
startOptions.ServiceNetworkCIDR = start.NewDefaultNetworkArgs().ServiceNetworkCIDR
startOptions.Complete()
startOptions.MasterOptions.MasterArgs.ConfigDir.Default(path.Join(util.GetBaseDir(), "openshift.local.config", "master"))
startOptions.NodeArgs.ConfigDir.Default(path.Join(util.GetBaseDir(), "openshift.local.config", admin.DefaultNodeDir(startOptions.NodeArgs.NodeName)))
startOptions.NodeArgs.MasterCertDir = startOptions.MasterOptions.MasterArgs.ConfigDir.Value()
if err := CreateMasterCerts(startOptions.MasterOptions.MasterArgs); err != nil {
return nil, nil, nil, err
}
if err := CreateBootstrapPolicy(startOptions.MasterOptions.MasterArgs); err != nil {
return nil, nil, nil, err
}
if err := CreateNodeCerts(startOptions.NodeArgs, startOptions.MasterOptions.MasterArgs.MasterAddr.String()); err != nil {
return nil, nil, nil, err
}
masterOptions, err := startOptions.MasterOptions.MasterArgs.BuildSerializeableMasterConfig()
if err != nil {
return nil, nil, nil, err
}
if fn := startOptions.MasterOptions.MasterArgs.OverrideConfig; fn != nil {
if err := fn(masterOptions); err != nil {
return nil, nil, nil, err
}
}
nodeOptions, err := startOptions.NodeArgs.BuildSerializeableNodeConfig()
if err != nil {
return nil, nil, nil, err
}
return masterOptions, nodeOptions, startOptions.NodeArgs.Components, nil
}
func StartConfiguredAllInOne(masterConfig *configapi.MasterConfig, nodeConfig *configapi.NodeConfig, components *utilflags.ComponentFlag) (string, error) {
adminKubeConfigFile, err := StartConfiguredMaster(masterConfig)
if err != nil {
return "", err
}
if err := StartConfiguredNode(nodeConfig, components); err != nil {
return "", err
}
return adminKubeConfigFile, nil
}
func StartTestAllInOne() (*configapi.MasterConfig, *configapi.NodeConfig, string, error) {
master, node, components, err := DefaultAllInOneOptions()
if err != nil {
return nil, nil, "", err
}
adminKubeConfigFile, err := StartConfiguredAllInOne(master, node, components)
return master, node, adminKubeConfigFile, err
}
type TestOptions struct {
EnableControllers bool
}
func DefaultTestOptions() TestOptions {
return TestOptions{EnableControllers: true}
}
func StartConfiguredNode(nodeConfig *configapi.NodeConfig, components *utilflags.ComponentFlag) error {
kubernetes.SetFakeCadvisorInterfaceForIntegrationTest()
kubernetes.SetFakeContainerManagerInterfaceForIntegrationTest()
_, nodePort, err := net.SplitHostPort(nodeConfig.ServingInfo.BindAddress)
if err != nil {
return err
}
nodeTLS := configapi.UseTLS(nodeConfig.ServingInfo)
if err := start.StartNode(*nodeConfig, components); err != nil {
return err
}
// wait for the server to come up for 30 seconds (average time on desktop is 2 seconds, but Jenkins timed out at 10 seconds)
if err := cmdutil.WaitForSuccessfulDial(nodeTLS, "tcp", net.JoinHostPort(nodeConfig.NodeName, nodePort), 100*time.Millisecond, 1*time.Second, 30); err != nil {
return err
}
return nil
}
func StartConfiguredMaster(masterConfig *configapi.MasterConfig) (string, error) {
return StartConfiguredMasterWithOptions(masterConfig, DefaultTestOptions())
}
func StartConfiguredMasterAPI(masterConfig *configapi.MasterConfig) (string, error) {
options := DefaultTestOptions()
options.EnableControllers = false
return StartConfiguredMasterWithOptions(masterConfig, options)
}
func StartConfiguredMasterWithOptions(masterConfig *configapi.MasterConfig, testOptions TestOptions) (string, error) {
if err := start.NewMaster(masterConfig, testOptions.EnableControllers, true).Start(); err != nil {
return "", err
}
adminKubeConfigFile := util.KubeConfigPath()
clientConfig, err := util.GetClusterAdminClientConfig(adminKubeConfigFile)
if err != nil {
return "", err
}
masterURL, err := url.Parse(clientConfig.Host)
if err != nil {
return "", err
}
// wait for the server to come up: 35 seconds
if err := cmdutil.WaitForSuccessfulDial(true, "tcp", masterURL.Host, 100*time.Millisecond, 1*time.Second, 35); err != nil {
return "", err
}
for {
// confirm that we can actually query from the api server
if client, err := util.GetClusterAdminClient(adminKubeConfigFile); err == nil {
if _, err := client.ClusterPolicies().List(kapi.ListOptions{}); err == nil {
break
}
}
time.Sleep(100 * time.Millisecond)
}
return adminKubeConfigFile, nil
}
// StartTestMaster starts up a test master and returns back the startOptions so you can get clients and certs
func StartTestMaster() (*configapi.MasterConfig, string, error) {
master, err := DefaultMasterOptions()
if err != nil {
return nil, "", err
}
adminKubeConfigFile, err := StartConfiguredMaster(master)
return master, adminKubeConfigFile, err
}
func StartTestMasterAPI() (*configapi.MasterConfig, string, error) {
master, err := DefaultMasterOptions()
if err != nil {
return nil, "", err
}
adminKubeConfigFile, err := StartConfiguredMasterAPI(master)
return master, adminKubeConfigFile, err
}
// serviceAccountSecretsExist checks whether the given service account has at least a token and a dockercfg
// secret associated with it.
func serviceAccountSecretsExist(client *kclient.Client, namespace string, sa *kapi.ServiceAccount) bool {
foundTokenSecret := false
foundDockercfgSecret := false
for _, secret := range sa.Secrets {
ns := namespace
if len(secret.Namespace) > 0 {
ns = secret.Namespace
}
secret, err := client.Secrets(ns).Get(secret.Name)
if err == nil {
switch secret.Type {
case kapi.SecretTypeServiceAccountToken:
foundTokenSecret = true
case kapi.SecretTypeDockercfg:
foundDockercfgSecret = true
}
}
}
return foundTokenSecret && foundDockercfgSecret
}
// WaitForPodCreationServiceAccounts ensures that the service account needed for pod creation exists
// and that the cache for the admission control that checks for pod tokens has caught up to allow
// pod creation.
func WaitForPodCreationServiceAccounts(client *kclient.Client, namespace string) error {
if err := WaitForServiceAccounts(client, namespace, []string{bootstrappolicy.DefaultServiceAccountName}); err != nil {
return err
}
testPod := &kapi.Pod{}
testPod.GenerateName = "test"
testPod.Spec.Containers = []kapi.Container{
{
Name: "container",
Image: "openshift/origin-pod:latest",
},
}
return wait.PollImmediate(time.Second, PodCreationWaitTimeout, func() (bool, error) {
pod, err := client.Pods(namespace).Create(testPod)
if err != nil {
glog.Warningf("Error attempting to create test pod: %v", err)
return false, nil
}
err = client.Pods(namespace).Delete(pod.Name, kapi.NewDeleteOptions(0))
if err != nil {
return false, err
}
return true, nil
})
}
// WaitForServiceAccounts ensures the service accounts needed by build pods exist in the namespace
// The extra controllers tend to starve the service account controller
func WaitForServiceAccounts(client *kclient.Client, namespace string, accounts []string) error {
serviceAccounts := client.ServiceAccounts(namespace)
return wait.Poll(time.Second, ServiceAccountWaitTimeout, func() (bool, error) {
for _, account := range accounts {
if sa, err := serviceAccounts.Get(account); err != nil {
if !serviceAccountSecretsExist(client, namespace, sa) {
continue
}
return false, nil
}
}
return true, nil
})
}
// CreateNewProject creates a new project using the clusterAdminClient, then gets a token for the adminUser and returns
// back a client for the admin user
func CreateNewProject(clusterAdminClient *client.Client, clientConfig restclient.Config, projectName, adminUser string) (*client.Client, error) {
newProjectOptions := &newproject.NewProjectOptions{
Client: clusterAdminClient,
ProjectName: projectName,
AdminRole: bootstrappolicy.AdminRoleName,
AdminUser: adminUser,
}
if err := newProjectOptions.Run(false); err != nil {
return nil, err
}
client, _, _, err := util.GetClientForUser(clientConfig, adminUser)
return client, err
}