forked from openshift/cluster-api-provider-libvirt
/
main.go
405 lines (341 loc) · 11.8 KB
/
main.go
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package main
// Tests individual Libvirt actuator actions
import (
"context"
"fmt"
"io/ioutil"
"os"
"os/exec"
"os/user"
"time"
"github.com/golang/glog"
"github.com/openshift/cluster-api-provider-libvirt/cmd/libvirt-actuator/utils"
flag "github.com/spf13/pflag"
goflag "flag"
testutils "github.com/openshift/cluster-api-provider-libvirt/test/utils"
"github.com/spf13/cobra"
apiv1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/wait"
clusterv1 "sigs.k8s.io/cluster-api/pkg/apis/cluster/v1alpha1"
"github.com/openshift/cluster-api-actuator-pkg/pkg/e2e/framework"
"github.com/openshift/cluster-api-actuator-pkg/pkg/manifests"
libvirtclient "github.com/openshift/cluster-api-provider-libvirt/test/machines"
)
const (
pollInterval = 5 * time.Second
timeoutPoolInterval = 20 * time.Minute
)
func usage() {
fmt.Printf("Usage: %s\n\n", os.Args[0])
}
var rootCmd = &cobra.Command{
Use: "libvirt-actuator-test",
Short: "Test for Cluster API Libvirt actuator",
}
func createCommand() *cobra.Command {
return &cobra.Command{
Use: "create",
Short: "Create machine instance for specified cluster",
RunE: func(cmd *cobra.Command, args []string) error {
if err := checkFlags(cmd); err != nil {
return err
}
cluster, machine, userData, err := utils.ReadClusterResources(
cmd.Flag("cluster").Value.String(),
cmd.Flag("machine").Value.String(),
cmd.Flag("userdata").Value.String(),
)
if err != nil {
return err
}
actuator := utils.CreateActuator(machine, userData)
err = actuator.Create(context.TODO(), cluster, machine)
if err != nil {
return err
}
fmt.Printf("Machine creation was successful!\n")
return nil
},
}
}
func deleteCommand() *cobra.Command {
return &cobra.Command{
Use: "delete INSTANCE-ID",
Short: "Delete machine instance",
RunE: func(cmd *cobra.Command, args []string) error {
if err := checkFlags(cmd); err != nil {
return err
}
cluster, machine, userData, err := utils.ReadClusterResources(
cmd.Flag("cluster").Value.String(),
cmd.Flag("machine").Value.String(),
cmd.Flag("userdata").Value.String(),
)
if err != nil {
return err
}
actuator := utils.CreateActuator(machine, userData)
err = actuator.Delete(context.TODO(), cluster, machine)
if err != nil {
return err
}
fmt.Printf("Machine delete operation was successful.\n")
return nil
},
}
}
func existsCommand() *cobra.Command {
return &cobra.Command{
Use: "exists",
Short: "Determine if underlying machine instance exists",
RunE: func(cmd *cobra.Command, args []string) error {
if err := checkFlags(cmd); err != nil {
return err
}
cluster, machine, userData, err := utils.ReadClusterResources(
cmd.Flag("cluster").Value.String(),
cmd.Flag("machine").Value.String(),
cmd.Flag("userdata").Value.String(),
)
if err != nil {
return err
}
actuator := utils.CreateActuator(machine, userData)
exists, err := actuator.Exists(context.TODO(), cluster, machine)
if err != nil {
return err
}
if exists {
fmt.Printf("Underlying machine's instance exists.\n")
} else {
fmt.Printf("Underlying machine's instance not found.\n")
}
return nil
},
}
}
func BuildPKSecret(secretName, namespace, pkLoc string) (*apiv1.Secret, error) {
pkBytes, err := ioutil.ReadFile(pkLoc)
if err != nil {
return nil, fmt.Errorf("unable to read %v: %v", pkLoc, err)
}
return &apiv1.Secret{
ObjectMeta: metav1.ObjectMeta{
Name: secretName,
Namespace: namespace,
},
Data: map[string][]byte{
"privatekey": pkBytes,
},
}, nil
}
func createSecretAndWait(f *framework.Framework, secret *apiv1.Secret) error {
_, err := f.KubeClient.CoreV1().Secrets(secret.Namespace).Create(secret)
if err != nil {
return err
}
err = wait.Poll(framework.PollInterval, framework.PoolTimeout, func() (bool, error) {
_, err := f.KubeClient.CoreV1().Secrets(secret.Namespace).Get(secret.Name, metav1.GetOptions{})
return err == nil, nil
})
return err
}
func cmdRun(binaryPath string, args ...string) ([]byte, error) {
cmd := exec.Command(binaryPath, args...)
return cmd.CombinedOutput()
}
func bootstrapCommand() *cobra.Command {
cmd := &cobra.Command{
Use: "bootstrap",
Short: "Bootstrap kubernetes cluster with kubeadm",
RunE: func(cmd *cobra.Command, args []string) error {
libvirturi := cmd.Flag("libvirt-uri").Value.String()
if libvirturi == "" {
return fmt.Errorf("--libvirt-uri needs to be set")
}
inclusterlibvirturi := cmd.Flag("in-cluster-libvirt-uri").Value.String()
if inclusterlibvirturi == "" {
return fmt.Errorf("--in-cluster-libvirt-uri needs to be set")
}
libvirtpk := cmd.Flag("libvirt-private-key").Value.String()
if libvirtpk == "" {
return fmt.Errorf("--libvirt-private-key needs to be set")
}
masterguestpk := cmd.Flag("master-guest-private-key").Value.String()
if masterguestpk == "" {
return fmt.Errorf("--master-guest-private-key needs to be set")
}
testNamespace := &apiv1.Namespace{
ObjectMeta: metav1.ObjectMeta{
Name: "test",
},
}
glog.Infof("Creating secret with the libvirt PK from %v", libvirtpk)
libvirtPKSecret, err := BuildPKSecret("libvirt-private-key", testNamespace.Name, libvirtpk)
if err != nil {
return fmt.Errorf("unable to create libvirt-private-key secret: %v", err)
}
machinePrefix := cmd.Flag("environment-id").Value.String()
testCluster := &clusterv1.Cluster{
ObjectMeta: metav1.ObjectMeta{
Name: machinePrefix,
Namespace: testNamespace.Name,
},
Spec: clusterv1.ClusterSpec{
ClusterNetwork: clusterv1.ClusterNetworkingConfig{
Services: clusterv1.NetworkRanges{
CIDRBlocks: []string{"10.0.0.1/24"},
},
Pods: clusterv1.NetworkRanges{
CIDRBlocks: []string{"10.0.0.1/24"},
},
ServiceDomain: "example.com",
},
},
}
// Create master machine and verify the master node is ready
masterUserDataSecret, err := manifests.MasterMachineUserDataSecret(
"masteruserdatasecret",
testNamespace.Name,
[]string{"127.0.0.1"},
)
if err != nil {
return err
}
masterMachineProviderSpec, err := testutils.MasterMachineProviderSpec(masterUserDataSecret.Name, libvirturi)
if err != nil {
return err
}
masterMachine := manifests.MasterMachine(testCluster.Name, testCluster.Namespace, masterMachineProviderSpec)
glog.Infof("Creating master machine")
actuator := utils.CreateActuator(masterMachine, masterUserDataSecret)
err = actuator.Create(context.TODO(), testCluster, masterMachine)
if err != nil {
return err
}
lcw, err := libvirtclient.NewLibvirtClient(libvirturi)
if err != nil {
return err
}
// Wait until the instance has the ip address
var masterMachinePrivateIP string
err = wait.Poll(pollInterval, timeoutPoolInterval, func() (bool, error) {
privateIP, err := lcw.GetPrivateIP(masterMachine)
if err != nil {
return false, nil
}
masterMachinePrivateIP = privateIP
return true, nil
})
if err != nil {
return err
}
glog.Infof("Master machine running at %v", masterMachinePrivateIP)
f := framework.Framework{
SSH: &framework.SSHConfig{
Key: masterguestpk,
User: "fedora",
},
}
glog.Infof("Collecting master kubeconfig")
config, err := f.GetMasterMachineRestConfig(masterMachine, lcw)
if err != nil {
return err
}
clusterFramework, err := framework.NewFrameworkFromConfig(
config,
&framework.SSHConfig{
Key: masterguestpk,
User: "fedora",
},
)
if err != nil {
return err
}
clusterFramework.ErrNotExpected = func(err error) {
if err != nil {
panic(err)
}
}
clusterFramework.By = func(msg string) {
glog.Info(msg)
}
clusterFramework.MachineControllerImage = "openshift/origin-libvirt-machine-controllers:v4.0.0"
clusterFramework.MachineManagerImage = "openshift/origin-libvirt-machine-controllers:v4.0.0"
// TODO(jchaloup): once docker.io/openshift/origin-machine-api-operator gets updated, switch back to it.
// This is only a temporary solution since nodelink controller is not yet updated in the docker.io image.
clusterFramework.NodelinkControllerImage = "registry.svc.ci.openshift.org/openshift/origin-v4.0-2019-01-03-031244@sha256:152c0a4ea7cda1731e45af87e33909421dcde7a8fcf4e973cd098a8bae892c50"
glog.Info("Waiting for all nodes to come up")
err = clusterFramework.WaitForNodesToGetReady(1)
if err != nil {
return err
}
glog.Infof("Creating %q namespace", testNamespace.Name)
if _, err := clusterFramework.KubeClient.CoreV1().Namespaces().Create(testNamespace); err != nil {
return err
}
glog.Infof("Creating %q secret", testNamespace.Name)
if _, err := clusterFramework.KubeClient.CoreV1().Secrets(libvirtPKSecret.Namespace).Create(libvirtPKSecret); err != nil {
return err
}
clusterFramework.DeployClusterAPIStack(testNamespace.Name, "libvirt-private-key")
clusterFramework.CreateClusterAndWait(testCluster)
workerUserDataSecret, err := manifests.WorkerMachineUserDataSecret("workeruserdatasecret", testNamespace.Name, masterMachinePrivateIP)
if err != nil {
return err
}
createSecretAndWait(clusterFramework, workerUserDataSecret)
workerMachineSetProviderSpec, err := testutils.WorkerMachineProviderSpec(workerUserDataSecret.Name, inclusterlibvirturi)
if err != nil {
return err
}
workerMachineSet := manifests.WorkerMachineSet(testCluster.Name, testCluster.Namespace, workerMachineSetProviderSpec)
clusterFramework.CreateMachineSetAndWait(workerMachineSet, lcw)
return nil
},
}
// To bootstrap the master guest that will run the cluster api stack
cmd.PersistentFlags().StringP("libvirt-uri", "", "", "Libvirt URI. E.g. qemu//system")
// libvirt URI for actuator running inside a container (as part of the cluster API stack)
cmd.PersistentFlags().StringP("in-cluster-libvirt-uri", "", "", "Libvirt URI for docker container. E.g. qemu+ssh://root@IP/system")
// ssh private key so the actuator running inside the container can talk to libvirt running in libvirt instance (in case qemu+ssh is used)
cmd.PersistentFlags().StringP("libvirt-private-key", "", "", "Private key file for libvirt qemu+ssh URI")
// ssh private key to pull kubeconfig from master guest
cmd.PersistentFlags().StringP("master-guest-private-key", "", "", "Private key file of the master guest to pull kubeconfig")
return cmd
}
func init() {
rootCmd.PersistentFlags().StringP("machine", "m", "", "Machine manifest")
rootCmd.PersistentFlags().StringP("cluster", "c", "", "Cluster manifest")
rootCmd.PersistentFlags().StringP("userdata", "u", "", "User data manifest")
cUser, err := user.Current()
if err != nil {
rootCmd.PersistentFlags().StringP("environment-id", "p", "", "Directory with bootstrapping manifests")
} else {
rootCmd.PersistentFlags().StringP("environment-id", "p", cUser.Username, "Machine prefix, by default set to the current user")
}
rootCmd.AddCommand(createCommand())
rootCmd.AddCommand(deleteCommand())
rootCmd.AddCommand(existsCommand())
rootCmd.AddCommand(bootstrapCommand())
flag.CommandLine.AddGoFlagSet(goflag.CommandLine)
// the following line exists to make glog happy, for more information, see: https://github.com/kubernetes/kubernetes/issues/17162
flag.CommandLine.Parse([]string{})
}
func checkFlags(cmd *cobra.Command) error {
if cmd.Flag("cluster").Value.String() == "" {
return fmt.Errorf("--%v/-%v flag is required", cmd.Flag("cluster").Name, cmd.Flag("cluster").Shorthand)
}
if cmd.Flag("machine").Value.String() == "" {
return fmt.Errorf("--%v/-%v flag is required", cmd.Flag("machine").Name, cmd.Flag("machine").Shorthand)
}
return nil
}
func main() {
err := rootCmd.Execute()
if err != nil {
fmt.Fprintf(os.Stderr, "Error occurred: %v\n", err)
os.Exit(1)
}
}