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server.go
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server.go
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package util
import (
"errors"
"fmt"
"net"
"net/url"
"os"
"path"
"time"
"github.com/golang/glog"
"github.com/openshift/origin/pkg/cmd/server/bootstrappolicy"
kclient "k8s.io/kubernetes/pkg/client"
"k8s.io/kubernetes/pkg/fields"
"k8s.io/kubernetes/pkg/labels"
"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/start"
cmdutil "github.com/openshift/origin/pkg/cmd/util"
"github.com/openshift/origin/pkg/cmd/util/tokencmd"
)
// 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
// RequireServer verifies if the etcd, docker and the OpenShift server are
// available and you can successfully connected to them.
func RequireServer() {
RequireEtcd()
RequireDocker()
if _, err := GetClusterAdminClient(KubeConfigPath()); err != nil {
os.Exit(1)
}
}
// GetBaseDir returns the base directory used for test.
func GetBaseDir() string {
return cmdutil.Env("BASETMPDIR", path.Join(os.TempDir(), "openshift-"+Namespace()))
}
// 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() (*start.MasterArgs, *start.NodeArgs, *start.ListenArg, *start.ImageFormatArgs, *start.KubeConnectionArgs) {
masterArgs, nodeArgs, listenArg, imageFormatArgs, kubeConnectionArgs := start.GetAllInOneArgs()
basedir := GetBaseDir()
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()
// don't wait for nodes to come up
masterAddr := os.Getenv("OS_MASTER_ADDR")
if len(masterAddr) == 0 {
if addr, err := FindAvailableBindAddress(8443, 8999); 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)
masterArgs.EtcdAddr.Set(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
}
}
fmt.Printf("dnsAddr: %#v\n", dnsAddr)
masterArgs.DNSBindAddr.Set(dnsAddr)
return masterArgs, nodeArgs, listenArg, imageFormatArgs, kubeConnectionArgs
}
func DefaultMasterOptions() (*configapi.MasterConfig, error) {
startOptions := start.MasterOptions{}
startOptions.MasterArgs, _, _, _, _ = setupStartOptions()
startOptions.Complete()
startOptions.MasterArgs.ConfigDir.Default(path.Join(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
}
// 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) 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.APIServerCAFile = 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, error) {
startOptions := start.AllInOneOptions{MasterOptions: &start.MasterOptions{}, NodeArgs: &start.NodeArgs{}}
startOptions.MasterOptions.MasterArgs, startOptions.NodeArgs, _, _, _ = setupStartOptions()
startOptions.MasterOptions.MasterArgs.NodeList = nil
startOptions.NodeArgs.AllowDisabledDocker = true
startOptions.Complete()
startOptions.MasterOptions.MasterArgs.ConfigDir.Default(path.Join(GetBaseDir(), "openshift.local.config", "master"))
startOptions.NodeArgs.ConfigDir.Default(path.Join(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, err
}
if err := CreateBootstrapPolicy(startOptions.MasterOptions.MasterArgs); err != nil {
return nil, nil, err
}
if err := CreateNodeCerts(startOptions.NodeArgs); err != nil {
return nil, nil, err
}
masterOptions, err := startOptions.MasterOptions.MasterArgs.BuildSerializeableMasterConfig()
if err != nil {
return nil, nil, err
}
nodeOptions, err := startOptions.NodeArgs.BuildSerializeableNodeConfig()
if err != nil {
return nil, nil, err
}
return masterOptions, nodeOptions, nil
}
func StartConfiguredAllInOne(masterConfig *configapi.MasterConfig, nodeConfig *configapi.NodeConfig) (string, error) {
adminKubeConfigFile, err := StartConfiguredMaster(masterConfig)
if err != nil {
return "", err
}
if err := start.StartNode(*nodeConfig); err != nil {
return "", err
}
return adminKubeConfigFile, nil
}
func StartTestAllInOne() (*configapi.MasterConfig, *configapi.NodeConfig, string, error) {
master, node, err := DefaultAllInOneOptions()
if err != nil {
return nil, nil, "", err
}
adminKubeConfigFile, err := StartConfiguredAllInOne(master, node)
return master, node, adminKubeConfigFile, err
}
type TestOptions struct {
DeleteAllEtcdKeys bool
}
func DefaultTestOptions() TestOptions {
return TestOptions{true}
}
func StartConfiguredMaster(masterConfig *configapi.MasterConfig) (string, error) {
return StartConfiguredMasterWithOptions(masterConfig, DefaultTestOptions())
}
func StartConfiguredMasterWithOptions(masterConfig *configapi.MasterConfig, testOptions TestOptions) (string, error) {
if testOptions.DeleteAllEtcdKeys {
DeleteAllEtcdKeys()
}
if err := start.NewMaster(masterConfig, true, true).Start(); err != nil {
return "", err
}
adminKubeConfigFile := KubeConfigPath()
clientConfig, err := 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 := GetClusterAdminClient(adminKubeConfigFile); err == nil {
if _, err := client.ClusterPolicies().List(labels.Everything(), fields.Everything()); 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 WaitForServiceAccounts(client *kclient.Client, namespace string, accounts []string) error {
// Ensure the service accounts needed by build pods exist in the namespace
// The extra controllers tend to starve the service account controller
serviceAccounts := client.ServiceAccounts(namespace)
return wait.Poll(time.Second, ServiceAccountWaitTimeout, func() (bool, error) {
for _, account := range accounts {
if _, err := serviceAccounts.Get(account); err != nil {
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 kclient.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 := GetClientForUser(clientConfig, adminUser)
return client, err
}
func GetClientForUser(clientConfig kclient.Config, username string) (*client.Client, *kclient.Client, *kclient.Config, error) {
token, err := tokencmd.RequestToken(&clientConfig, nil, username, "password")
if err != nil {
return nil, nil, nil, err
}
userClientConfig := clientConfig
userClientConfig.BearerToken = token
userClientConfig.Username = ""
userClientConfig.Password = ""
userClientConfig.TLSClientConfig.CertFile = ""
userClientConfig.TLSClientConfig.KeyFile = ""
userClientConfig.TLSClientConfig.CertData = nil
userClientConfig.TLSClientConfig.KeyData = nil
kubeClient, err := kclient.New(&userClientConfig)
if err != nil {
return nil, nil, nil, err
}
osClient, err := client.New(&userClientConfig)
if err != nil {
return nil, nil, nil, err
}
return osClient, kubeClient, &userClientConfig, nil
}