cmd/bpa-operator/pkg/controller/provisioning/provisioning_controller.go

   1 package provisioning
   2
   3 import (
   4         "context"
   5         "os"
   6         "fmt"
   7         "time"
   8         "bytes"
   9         "regexp"
  10         "strings"
  11         "io/ioutil"
  12         "encoding/json"
  13
  14         bpav1alpha1 "github.com/bpa-operator/pkg/apis/bpa/v1alpha1"
  15         metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
  16         corev1 "k8s.io/api/core/v1"
  17         batchv1 "k8s.io/api/batch/v1"
  18         "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
  19         "k8s.io/apimachinery/pkg/runtime/schema"
  20         "k8s.io/apimachinery/pkg/api/errors"
  21         "k8s.io/apimachinery/pkg/runtime"
  22         "k8s.io/client-go/dynamic"
  23
  24         "k8s.io/client-go/kubernetes"
  25         "sigs.k8s.io/controller-runtime/pkg/client"
  26         "sigs.k8s.io/controller-runtime/pkg/client/config"
  27         "sigs.k8s.io/controller-runtime/pkg/controller"
  28         "sigs.k8s.io/controller-runtime/pkg/handler"
  29         "sigs.k8s.io/controller-runtime/pkg/manager"
  30         "sigs.k8s.io/controller-runtime/pkg/reconcile"
  31         logf "sigs.k8s.io/controller-runtime/pkg/runtime/log"
  32         "sigs.k8s.io/controller-runtime/pkg/source"
  33         "gopkg.in/ini.v1"
  34         "golang.org/x/crypto/ssh"
  35 )
  36
  37 type VirtletVM struct {
  38         IPaddress string
  39         MACaddress string
  40 }
  41
  42 type NetworksStatus struct {
  43         Name string `json:"name,omitempty"`
  44         Interface string `json:"interface,omitempty"`
  45         Ips []string `json:"ips,omitempty"`
  46         Mac string `json:"mac,omitempty"`
  47         Default bool `json:"default,omitempty"`
  48         Dns interface{} `json:"dns,omitempty"`
  49 }
  50
  51 var log = logf.Log.WithName("controller_provisioning")
  52
  53 /**
  54 * USER ACTION REQUIRED: This is a scaffold file intended for the user to modify with their own Controller
  55 * business logic.  Delete these comments after modifying this file.*
  56  */
  57
  58 // Add creates a new Provisioning Controller and adds it to the Manager. The Manager will set fields on the Controller
  59 // and Start it when the Manager is Started.
  60 func Add(mgr manager.Manager) error {
  61         return add(mgr, newReconciler(mgr))
  62 }
  63
  64 // newReconciler returns a new reconcile.Reconciler
  65 func newReconciler(mgr manager.Manager) reconcile.Reconciler {
  66
  67         config, err :=  config.GetConfig()
  68         if err != nil {
  69            fmt.Printf("Could not get kube config, Error: %v\n", err)
  70         }
  71
  72        clientSet, err := kubernetes.NewForConfig(config)
  73         if err != nil {
  74            fmt.Printf("Could not create clientset, Error: %v\n", err)
  75         }
  76        bmhDynamicClient, err := dynamic.NewForConfig(config)
  77
  78        if err != nil {
  79           fmt.Printf("Could not create dynamic client for bareMetalHosts, Error: %v\n", err)
  80        }
  81
  82        return &ReconcileProvisioning{client: mgr.GetClient(), scheme: mgr.GetScheme(), clientset: clientSet, bmhClient: bmhDynamicClient }
  83 }
  84
  85 // add adds a new Controller to mgr with r as the reconcile.Reconciler
  86 func add(mgr manager.Manager, r reconcile.Reconciler) error {
  87         // Create a new controller
  88         c, err := controller.New("provisioning-controller", mgr, controller.Options{Reconciler: r})
  89         if err != nil {
  90                 return err
  91         }
  92
  93         // Watch for changes to primary resource Provisioning
  94         err = c.Watch(&source.Kind{Type: &bpav1alpha1.Provisioning{}}, &handler.EnqueueRequestForObject{})
  95         if err != nil {
  96                 return err
  97         }
  98
  99         // Watch for changes to resource configmap created as a consequence of the provisioning CR
 100         err = c.Watch(&source.Kind{Type: &corev1.ConfigMap{}}, &handler.EnqueueRequestForOwner{
 101                 IsController: true,
 102                 OwnerType:   &bpav1alpha1.Provisioning{},
 103         })
 104
 105         if err != nil {
 106                 return err
 107         }
 108
 109        //Watch for changes to job resource also created as a consequence of the provisioning CR
 110        err = c.Watch(&source.Kind{Type: &batchv1.Job{}}, &handler.EnqueueRequestForOwner{
 111                 IsController: true,
 112                 OwnerType:   &bpav1alpha1.Provisioning{},
 113         })
 114
 115         if err != nil {
 116                 return err
 117         }
 118
 119         // Watch for changes to resource software CR
 120         err = c.Watch(&source.Kind{Type: &bpav1alpha1.Software{}}, &handler.EnqueueRequestForObject{})
 121         if err != nil {
 122                 return err
 123         }
 124
 125
 126         return nil
 127 }
 128
 129 // blank assignment to verify that ReconcileProvisioning implements reconcile.Reconciler
 130 var _ reconcile.Reconciler = &ReconcileProvisioning{}
 131
 132 // ReconcileProvisioning reconciles a Provisioning object
 133 type ReconcileProvisioning struct {
 134         // This client, initialized using mgr.Client() above, is a split client
 135         // that reads objects from the cache and writes to the apiserver
 136         client client.Client
 137         scheme *runtime.Scheme
 138         clientset kubernetes.Interface
 139         bmhClient dynamic.Interface
 140 }
 141
 142 // Reconcile reads that state of the cluster for a Provisioning object and makes changes based on the state read
 143 // and what is in the Provisioning.Spec
 144 // TODO(user): Modify this Reconcile function to implement your Controller logic.  This example creates
 145 // a Pod as an example
 146 // Note:
 147 // The Controller will requeue the Request to be processed again if the returned error is non-nil or
 148 // Result.Requeue is true, otherwise upon completion it will remove the work from the queue.
 149 func (r *ReconcileProvisioning) Reconcile(request reconcile.Request) (reconcile.Result, error) {
 150         reqLogger := log.WithValues("Request.Namespace", request.Namespace, "Request.Name", request.Name)
 151         fmt.Printf("\n\n")
 152         reqLogger.Info("Reconciling Custom Resource")
 153
 154
 155
 156         // Fetch the Provisioning instance
 157         provisioningInstance := &bpav1alpha1.Provisioning{}
 158         softwareInstance := &bpav1alpha1.Software{}
 159         err := r.client.Get(context.TODO(), request.NamespacedName, provisioningInstance)
 160         provisioningCreated := true
 161         if err != nil {
 162
 163                          //Check if its a Software Instance
 164                          err = r.client.Get(context.TODO(), request.NamespacedName, softwareInstance)
 165                          if err != nil {
 166                              if errors.IsNotFound(err) {
 167                                 // Request object not found, could have been deleted after reconcile request.
 168                                 // Owned objects are automatically garbage collected. For additional cleanup logic use finalizers.
 169                                 // Return and don't requeue
 170                                 return reconcile.Result{}, nil
 171                              }
 172
 173                          // Error reading the object - requeue the request.
 174                          return reconcile.Result{}, err
 175                          }
 176
 177                          //No error occured and so a Software CR was created not a Provisoning CR
 178                          provisioningCreated = false
 179         }
 180
 181
 182         masterTag := "MASTER_"
 183         workerTag := "WORKER_"
 184
 185         if provisioningCreated {
 186
 187         ///////////////////////////////////////////////////////////////////////////////////////////////
 188         ////////////////         Provisioning CR was created so install KUD          /////////////////
 189         //////////////////////////////////////////////////////////////////////////////////////////////
 190         clusterName := provisioningInstance.Labels["cluster"]
 191         clusterType := provisioningInstance.Labels["cluster-type"]
 192         mastersList := provisioningInstance.Spec.Masters
 193         workersList := provisioningInstance.Spec.Workers
 194         kudPlugins := provisioningInstance.Spec.KUDPlugins
 195
 196
 197         bareMetalHostList, _ := listBareMetalHosts(r.bmhClient)
 198         virtletVMList, _ := listVirtletVMs(r.clientset)
 199
 200
 201
 202
 203         var allString string
 204         var masterString string
 205         var workerString string
 206
 207         dhcpLeaseFile := "/var/lib/dhcp/dhcpd.leases"
 208         multiClusterDir := "/multi-cluster"
 209
 210         //Create Directory for the specific cluster
 211         clusterDir := multiClusterDir + "/" + clusterName
 212         os.MkdirAll(clusterDir, os.ModePerm)
 213
 214         //Create Maps to be used for cluster ip address to label configmap
 215         clusterLabel := make(map[string]string)
 216         clusterLabel["cluster"] = clusterName
 217         clusterData := make(map[string]string)
 218
 219
 220
 221        //Iterate through mastersList and get all the mac addresses and IP addresses
 222        for _, masterMap := range mastersList {
 223
 224                 for masterLabel, master := range masterMap {
 225                    masterMAC := master.MACaddress
 226                    hostIPaddress := ""
 227
 228                    if masterMAC == "" {
 229                       err = fmt.Errorf("MAC address for masterNode %s not provided\n", masterLabel)
 230                       return reconcile.Result{}, err
 231                    }
 232
 233                    containsMac, bmhCR := checkMACaddress(bareMetalHostList, masterMAC)
 234
 235                    //Check 'cluster-type' label for Virtlet VMs
 236                    if clusterType == "virtlet-vm" {
 237                        //Get VM IP address of master
 238                        hostIPaddress, err = getVMIPaddress(virtletVMList, masterMAC)
 239                        if err != nil || hostIPaddress == "" {
 240                            err = fmt.Errorf("IP address not found for VM with MAC address %s \n", masterMAC)
 241                            return reconcile.Result{}, err
 242                        }
 243                        containsMac = true
 244                    }
 245
 246                    if containsMac{
 247
 248                        if clusterType != "virtlet-vm" {
 249                            fmt.Printf("BareMetalHost CR %s has NIC with MAC Address %s\n", bmhCR, masterMAC)
 250
 251                            //Get IP address of master
 252                            hostIPaddress, err = getHostIPaddress(masterMAC, dhcpLeaseFile )
 253                            if err != nil || hostIPaddress == ""{
 254                                err = fmt.Errorf("IP address not found for host with MAC address %s \n", masterMAC)
 255                                return reconcile.Result{}, err
 256                            }
 257                        }
 258
 259                        allString += masterLabel + "  ansible_ssh_host="  + hostIPaddress + " ansible_ssh_port=22" + "\n"
 260                        masterString += masterLabel + "\n"
 261                        clusterData[masterTag + masterLabel] = hostIPaddress
 262
 263                        fmt.Printf("%s : %s \n", hostIPaddress, masterMAC)
 264
 265                        if len(workersList) != 0 {
 266
 267                            //Iterate through workersList and get all the mac addresses
 268                            for _, workerMap := range workersList {
 269
 270                                //Get worker labels from the workermap
 271                                for workerLabel, worker := range workerMap {
 272
 273                                    //Check if workerString already contains worker label
 274                                    containsWorkerLabel := strings.Contains(workerString, workerLabel)
 275                                    workerMAC := worker.MACaddress
 276                                    hostIPaddress = ""
 277
 278                                    //Error occurs if the same label is given to different hosts (assumption,
 279                                    //each MAC address represents a unique host
 280                                    if workerLabel == masterLabel && workerMAC != masterMAC && workerMAC != "" {
 281                                      if containsWorkerLabel {
 282                                             strings.ReplaceAll(workerString, workerLabel, "")
 283                                          }
 284                                       err = fmt.Errorf(`A node with label %s already exists, modify resource and assign a
 285                                       different label to node with MACAddress %s`, workerLabel, workerMAC)
 286                                       return reconcile.Result{}, err
 287
 288                                    //same node performs worker and master roles
 289                                    } else if workerLabel == masterLabel && !containsWorkerLabel {
 290                                         workerString += workerLabel + "\n"
 291
 292                                         //Add host to ip address config map with worker tag
 293                                         hostIPaddress = clusterData[masterTag + masterLabel]
 294                                         clusterData[workerTag + masterLabel] = hostIPaddress
 295
 296                                    //Error occurs if the same node is given different labels
 297                                    } else if workerLabel != masterLabel && workerMAC == masterMAC {
 298                                          if containsWorkerLabel {
 299                                             strings.ReplaceAll(workerString, workerLabel, "")
 300                                          }
 301                                          err = fmt.Errorf(`A node with label %s already exists, modify resource and assign a
 302                                                         different label to node with MACAddress %s`, workerLabel, workerMAC)
 303                                          return reconcile.Result{}, err
 304
 305                                    //worker node is different from any master node and it has not been added to the worker list
 306                                    } else if workerLabel != masterLabel && !containsWorkerLabel {
 307
 308                                         // Error occurs if MAC address not provided for worker node not matching master
 309                                         if workerMAC == "" {
 310                                           err = fmt.Errorf("MAC address for worker %s not provided", workerLabel)
 311                                           return reconcile.Result{}, err
 312                                          }
 313
 314                                         containsMac, bmhCR := checkMACaddress(bareMetalHostList, workerMAC)
 315
 316                                         if clusterType == "virtlet-vm" {
 317                                             //Get VM IP address of master
 318                                             hostIPaddress, err = getVMIPaddress(virtletVMList, workerMAC)
 319                                             if err != nil || hostIPaddress == "" {
 320                                                 err = fmt.Errorf("IP address not found for VM with MAC address %s \n", workerMAC)
 321                                                 return reconcile.Result{}, err
 322                                             }
 323                                             containsMac = true
 324                                         }
 325
 326                                         if containsMac{
 327
 328                                            if clusterType != "virtlet-vm" {
 329                                                fmt.Printf("Host %s matches that macAddress\n", bmhCR)
 330
 331                                                //Get IP address of worker
 332                                                hostIPaddress, err = getHostIPaddress(workerMAC, dhcpLeaseFile )
 333                                                if err != nil {
 334                                                    fmt.Errorf("IP address not found for host with MAC address %s \n", workerMAC)
 335                                                    return reconcile.Result{}, err
 336                                                }
 337                                            }
 338                                            fmt.Printf("%s : %s \n", hostIPaddress, workerMAC)
 339
 340
 341                                            allString += workerLabel + "  ansible_ssh_host="  + hostIPaddress + " ansible_ssh_port=22" + "\n"
 342                                            workerString += workerLabel + "\n"
 343                                            clusterData[workerTag + workerLabel] = hostIPaddress
 344
 345                                        //No host found that matches the worker MAC
 346                                        } else {
 347
 348                                             err = fmt.Errorf("Host with MAC Address %s not found\n", workerMAC)
 349                                             return reconcile.Result{}, err
 350                                           }
 351                                    }
 352                              }
 353                        }
 354                    //No worker node specified, add master as worker node
 355                    } else if len(workersList) == 0 && !strings.Contains(workerString, masterLabel) {
 356                        workerString += masterLabel + "\n"
 357
 358                        //Add host to ip address config map with worker tag
 359                        hostIPaddress = clusterData[masterTag + masterLabel]
 360                        clusterData[workerTag + masterLabel] = hostIPaddress
 361                    }
 362
 363                    //No host matching master MAC found
 364                    } else {
 365                       err = fmt.Errorf("Host with MAC Address %s not found\n", masterMAC)
 366                       return reconcile.Result{}, err
 367                    }
 368              }
 369         }
 370
 371         //Create host.ini file
 372         //iniHostFilePath := kudInstallerScript + "/inventory/hosts.ini"
 373         iniHostFilePath := clusterDir + "/hosts.ini"
 374         newFile, err := os.Create(iniHostFilePath)
 375         defer newFile.Close()
 376
 377
 378         if err != nil {
 379            fmt.Printf("Error occured while creating file \n %v", err)
 380            return reconcile.Result{}, err
 381         }
 382
 383         hostFile, err := ini.Load(iniHostFilePath)
 384         if err != nil {
 385            fmt.Printf("Error occured while Loading file \n %v", err)
 386            return reconcile.Result{}, err
 387         }
 388
 389         _, err = hostFile.NewRawSection("all", allString)
 390         if err != nil {
 391            fmt.Printf("Error occured while creating section \n %v", err)
 392            return reconcile.Result{}, err
 393         }
 394         _, err = hostFile.NewRawSection("kube-master", masterString)
 395         if err != nil {
 396            fmt.Printf("Error occured while creating section \n %v", err)
 397            return reconcile.Result{}, err
 398         }
 399
 400         _, err = hostFile.NewRawSection("kube-node", workerString)
 401         if err != nil {
 402            fmt.Printf("Error occured while creating section \n %v", err)
 403            return reconcile.Result{}, err
 404         }
 405
 406         _, err = hostFile.NewRawSection("etcd", masterString)
 407         if err != nil {
 408            fmt.Printf("Error occured while creating section \n %v", err)
 409            return reconcile.Result{}, err
 410         }
 411
 412         if clusterType == "virtlet-vm" {
 413                 _, err = hostFile.NewRawSection("ovn-central", masterString)
 414                 if err != nil {
 415                         fmt.Printf("Error occured while creating section \n %v", err)
 416                         return reconcile.Result{}, err
 417                 }
 418                 _, err = hostFile.NewRawSection("ovn-controller", masterString)
 419                 if err != nil {
 420                         fmt.Printf("Error occured while creating section \n %v", err)
 421                         return reconcile.Result{}, err
 422                 }
 423         }
 424
 425         _, err = hostFile.NewRawSection("k8s-cluster:children", "kube-node\n" + "kube-master")
 426         if err != nil {
 427            fmt.Printf("Error occured while creating section \n %v", err)
 428            return reconcile.Result{}, err
 429         }
 430
 431
 432         //Create host.ini file for KUD
 433         hostFile.SaveTo(iniHostFilePath)
 434
 435         //Install KUD
 436         err = createKUDinstallerJob(clusterName, request.Namespace, clusterLabel, kudPlugins,  r.clientset)
 437         if err != nil {
 438            fmt.Printf("Error occured while creating KUD Installer job for cluster %v\n ERROR: %v", clusterName, err)
 439            return reconcile.Result{}, err
 440         }
 441
 442         //Start separate thread to keep checking job status, Create an IP address configmap
 443         //for cluster if KUD is successfully installed
 444         go checkJob(clusterName, request.Namespace, clusterData, clusterLabel, r.clientset)
 445
 446         return reconcile.Result{}, nil
 447
 448        }
 449
 450
 451
 452         ///////////////////////////////////////////////////////////////////////////////////////////////
 453         ////////////////         Software CR was created so install software         /////////////////
 454         //////////////////////////////////////////////////////////////////////////////////////////////
 455         softwareClusterName, masterSoftwareList, workerSoftwareList := getSoftwareList(softwareInstance)
 456         defaultSSHPrivateKey := "/root/.ssh/id_rsa"
 457
 458         //Get IP address configmap for the cluster
 459         clusterConfigMapData, err := getConfigMapData(request.Namespace, softwareClusterName, r.clientset)
 460         if err != nil {
 461            fmt.Printf("Error occured while retrieving IP address Data for cluster %s, ERROR: %v\n", softwareClusterName, err)
 462            return reconcile.Result{}, err
 463         }
 464
 465         for hostLabel, ipAddress := range clusterConfigMapData {
 466
 467             if strings.Contains(hostLabel, masterTag) {
 468                // Its a master node, install master software
 469                err = softwareInstaller(ipAddress, defaultSSHPrivateKey, masterSoftwareList)
 470                if err != nil {
 471                   fmt.Printf("Error occured while installing master software in host %s, ERROR: %v\n", hostLabel, err)
 472                }
 473             } else if strings.Contains(hostLabel, workerTag) {
 474               // Its a worker node, install worker software
 475               err = softwareInstaller(ipAddress, defaultSSHPrivateKey, workerSoftwareList)
 476               if err != nil {
 477                   fmt.Printf("Error occured while installing worker software in host %s, ERROR: %v\n", hostLabel, err)
 478                }
 479
 480             }
 481
 482         }
 483
 484         return reconcile.Result{}, nil
 485 }
 486
 487 //Function to Get List containing baremetal hosts
 488 func listBareMetalHosts(bmhDynamicClient dynamic.Interface) (*unstructured.UnstructuredList, error) {
 489
 490     //Create GVR representing a BareMetalHost CR
 491     bmhGVR := schema.GroupVersionResource{
 492       Group:    "metal3.io",
 493       Version:  "v1alpha1",
 494       Resource: "baremetalhosts",
 495     }
 496
 497     //Get List containing all BareMetalHosts CRs
 498     bareMetalHosts, err := bmhDynamicClient.Resource(bmhGVR).List(metav1.ListOptions{})
 499     if err != nil {
 500        fmt.Printf("Error occured, cannot get BareMetalHosts list, Error: %v\n", err)
 501        return &unstructured.UnstructuredList{}, err
 502     }
 503
 504     return bareMetalHosts, nil
 505 }
 506
 507
 508 //Function to check if BareMetalHost containing MAC address exist
 509 func checkMACaddress(bareMetalHostList *unstructured.UnstructuredList, macAddress string) (bool, string) {
 510
 511      //Convert macAddress to byte array for comparison
 512      macAddressByte :=  []byte(macAddress)
 513      macBool := false
 514
 515      for _, bareMetalHost := range bareMetalHostList.Items {
 516          bmhJson, _ := bareMetalHost.MarshalJSON()
 517
 518          macBool = bytes.Contains(bmhJson, macAddressByte)
 519          if macBool{
 520              return macBool, bareMetalHost.GetName()
 521          }
 522
 523       }
 524
 525          return macBool, ""
 526
 527 }
 528
 529
 530 //Function to get the IP address of a host from the DHCP file
 531 func getHostIPaddress(macAddress string, dhcpLeaseFilePath string ) (string, error) {
 532
 533      //Read the dhcp lease file
 534      dhcpFile, err := ioutil.ReadFile(dhcpLeaseFilePath)
 535      if err != nil {
 536         fmt.Printf("Failed to read lease file\n")
 537         return "", err
 538      }
 539
 540      dhcpLeases := string(dhcpFile)
 541
 542      //Regex to use to search dhcpLeases
 543      reg := "lease.*{|ethernet.*|\n. binding state.*"
 544      re, err := regexp.Compile(reg)
 545      if err != nil {
 546         fmt.Printf("Could not create Regexp object, Error %v occured\n", err)
 547         return "", err
 548      }
 549
 550      //Get String containing leased Ip addresses and Corressponding MAC addresses
 551      out := re.FindAllString(dhcpLeases, -1)
 552      outString := strings.Join(out, " ")
 553      stringReplacer := strings.NewReplacer("lease", "", "ethernet ", "", ";", "",
 554      " binding state", "", "{", "")
 555      replaced := stringReplacer.Replace(outString)
 556      ipMacList := strings.Fields(replaced)
 557
 558
 559      //Get IP addresses corresponding to Input MAC Address
 560      for idx := len(ipMacList)-1 ; idx >= 0; idx -- {
 561          item := ipMacList[idx]
 562          if item == macAddress  {
 563
 564             leaseState := ipMacList[idx -1]
 565             if leaseState != "active" {
 566                err := fmt.Errorf("No active ip address lease found for MAC address %s \n", macAddress)
 567                fmt.Printf("%v\n", err)
 568                return "", err
 569             }
 570             ipAdd := ipMacList[idx - 2]
 571             return ipAdd, nil
 572     }
 573
 574  }
 575      return "", nil
 576 }
 577
 578 //Function to create configmap
 579 func createConfigMap(data, labels map[string]string, namespace string, clientset kubernetes.Interface) error{
 580
 581      configmapClient := clientset.CoreV1().ConfigMaps(namespace)
 582
 583      configmap := &corev1.ConfigMap{
 584
 585         ObjectMeta: metav1.ObjectMeta{
 586                         Name: labels["cluster"] + "-configmap",
 587                         Labels: labels,
 588                 },
 589         Data: data,
 590      }
 591
 592
 593       _, err := configmapClient.Create(configmap)
 594       if err != nil {
 595          return err
 596
 597       }
 598       return nil
 599
 600 }
 601
 602 //Function to get configmap Data
 603 func getConfigMapData(namespace, clusterName string, clientset kubernetes.Interface) (map[string]string, error) {
 604
 605      configmapClient := clientset.CoreV1().ConfigMaps(namespace)
 606      configmapName := clusterName + "-configmap"
 607      clusterConfigmap, err := configmapClient.Get(configmapName, metav1.GetOptions{})
 608      if err != nil {
 609         return nil, err
 610      }
 611
 612      configmapData := clusterConfigmap.Data
 613      return configmapData, nil
 614 }
 615
 616 //Function to create job for KUD installation
 617 func createKUDinstallerJob(clusterName, namespace string, labels map[string]string, kudPlugins []string, clientset kubernetes.Interface) error{
 618
 619     var backOffLimit int32 = 0
 620     var privi bool = true
 621
 622     installerString := " ./installer --cluster " + clusterName
 623
 624     // Check if any plugin was specified
 625     if len(kudPlugins) > 0 {
 626             plugins := " --plugins"
 627
 628             for _, plug := range kudPlugins {
 629                plugins += " " + plug
 630             }
 631
 632            installerString += plugins
 633     }
 634
 635
 636     jobClient := clientset.BatchV1().Jobs("default")
 637
 638         job := &batchv1.Job{
 639
 640         ObjectMeta: metav1.ObjectMeta{
 641                         Name: "kud-" + clusterName,
 642                        Labels: labels,
 643                 },
 644                 Spec: batchv1.JobSpec{
 645                       Template: corev1.PodTemplateSpec{
 646                                 ObjectMeta: metav1.ObjectMeta{
 647                                         Labels: labels,
 648                                 },
 649
 650
 651                         Spec: corev1.PodSpec{
 652                               HostNetwork: true,
 653                               Containers: []corev1.Container{{
 654                                           Name: "kud",
 655                                           Image: "github.com/onap/multicloud-k8s:latest",
 656                                           ImagePullPolicy: "IfNotPresent",
 657                                           VolumeMounts: []corev1.VolumeMount{{
 658                                                         Name: "multi-cluster",
 659                                                         MountPath: "/opt/kud/multi-cluster",
 660                                                         },
 661                                                         {
 662                                                         Name: "secret-volume",
 663                                                         MountPath: "/.ssh",
 664                                                         },
 665
 666                                            },
 667                                            Command: []string{"/bin/sh","-c"},
 668                                            Args: []string{"cp -r /.ssh /root/; chmod -R 600 /root/.ssh;" + installerString},
 669                                            SecurityContext: &corev1.SecurityContext{
 670                                                             Privileged : &privi,
 671
 672                                            },
 673                                           },
 674                                  },
 675                                  Volumes: []corev1.Volume{{
 676                                           Name: "multi-cluster",
 677                                           VolumeSource: corev1.VolumeSource{
 678                                                        HostPath: &corev1.HostPathVolumeSource{
 679                                                               Path : "/opt/kud/multi-cluster",
 680                                                      }}},
 681                                           {
 682                                           Name: "secret-volume",
 683                                           VolumeSource: corev1.VolumeSource{
 684                                                         Secret: &corev1.SecretVolumeSource{
 685                                                               SecretName: "ssh-key-secret",
 686                                                         },
 687
 688                                           }}},
 689                                  RestartPolicy: "Never",
 690                               },
 691
 692                              },
 693                              BackoffLimit : &backOffLimit,
 694                              },
 695
 696                          }
 697                     _, err := jobClient.Create(job)
 698                     if err != nil {
 699                        fmt.Printf("ERROR occured while creating job to install KUD\n ERROR:%v", err)
 700                        return err
 701                     }
 702                     return nil
 703
 704 }
 705
 706 //Function to Check if job succeeded
 707 func checkJob(clusterName, namespace string, data, labels map[string]string, clientset kubernetes.Interface) {
 708
 709      fmt.Printf("\nChecking job status for cluster %s\n", clusterName)
 710      jobName := "kud-" + clusterName
 711      jobClient := clientset.BatchV1().Jobs(namespace)
 712
 713      for {
 714          time.Sleep(2 * time.Second)
 715
 716          job, err := jobClient.Get(jobName, metav1.GetOptions{})
 717          if err != nil {
 718             fmt.Printf("ERROR: %v occured while retrieving job: %s", err, jobName)
 719             return
 720          }
 721          jobSucceeded := job.Status.Succeeded
 722          jobFailed := job.Status.Failed
 723
 724          if jobSucceeded == 1 {
 725             fmt.Printf("\n Job succeeded, KUD successfully installed in Cluster %s\n", clusterName)
 726
 727             //KUD was installed successfully create configmap to store IP address info for the cluster
 728             err = createConfigMap(data, labels, namespace, clientset)
 729             if err != nil {
 730                fmt.Printf("Error occured while creating Ip address configmap for cluster %v\n ERROR: %v", clusterName, err)
 731                return
 732             }
 733             return
 734          }
 735
 736         if jobFailed == 1 {
 737            fmt.Printf("\n Job Failed, KUD not installed in Cluster %s, check pod logs\n", clusterName)
 738            return
 739         }
 740
 741      }
 742     return
 743
 744 }
 745
 746 //Function to get software list from software CR
 747 func getSoftwareList(softwareCR *bpav1alpha1.Software) (string, []interface{}, []interface{}) {
 748
 749      CRclusterName := softwareCR.GetLabels()["cluster"]
 750
 751      masterSofwareList := softwareCR.Spec.MasterSoftware
 752      workerSoftwareList := softwareCR.Spec.WorkerSoftware
 753
 754      return CRclusterName, masterSofwareList, workerSoftwareList
 755 }
 756
 757 //Function to install software in clusterHosts
 758 func softwareInstaller(ipAddress, sshPrivateKey string, softwareList []interface{}) error {
 759
 760      var installString string
 761      for _, software := range softwareList {
 762
 763         switch t := software.(type){
 764         case string:
 765              installString += software.(string) + " "
 766         case interface{}:
 767              softwareMap, errBool := software.(map[string]interface{})
 768              if !errBool {
 769                 fmt.Printf("Error occured, cannot install software %v\n", software)
 770              }
 771              for softwareName, versionMap := range softwareMap {
 772
 773                  versionMAP, _ := versionMap.(map[string]interface{})
 774                  version := versionMAP["version"].(string)
 775                  installString += softwareName + "=" + version + " "
 776              }
 777         default:
 778             fmt.Printf("invalid format %v\n", t)
 779         }
 780
 781      }
 782
 783      err := sshInstaller(installString, sshPrivateKey, ipAddress)
 784      if err != nil {
 785         return err
 786      }
 787      return nil
 788
 789 }
 790
 791 //Function to Run Installation commands via ssh
 792 func sshInstaller(softwareString, sshPrivateKey, ipAddress string) error {
 793
 794      buffer, err := ioutil.ReadFile(sshPrivateKey)
 795      if err != nil {
 796         return err
 797      }
 798
 799      key, err := ssh.ParsePrivateKey(buffer)
 800      if err != nil {
 801         return err
 802      }
 803
 804      sshConfig := &ssh.ClientConfig{
 805         User: "root",
 806         Auth: []ssh.AuthMethod{
 807               ssh.PublicKeys(key),
 808      },
 809
 810      HostKeyCallback: ssh.InsecureIgnoreHostKey(),
 811      }
 812
 813     client, err := ssh.Dial("tcp", ipAddress + ":22", sshConfig)
 814     if err != nil {
 815        return err
 816     }
 817
 818     session, err := client.NewSession()
 819     if err != nil {
 820        return err
 821     }
 822
 823     defer session.Close()
 824     defer client.Close()
 825
 826     cmd := "sudo apt-get update && apt-get install " + softwareString + "-y"
 827     err = session.Start(cmd)
 828
 829     if err != nil {
 830        return err
 831     }
 832
 833     return nil
 834
 835 }
 836
 837 func listVirtletVMs(clientset kubernetes.Interface) ([]VirtletVM, error) {
 838
 839         var vmPodList []VirtletVM
 840
 841         pods, err := clientset.CoreV1().Pods("").List(metav1.ListOptions{})
 842         if err != nil {
 843                 fmt.Printf("Could not get pod info, Error: %v\n", err)
 844                 return []VirtletVM{}, err
 845         }
 846
 847         for _, pod := range pods.Items {
 848                 var podAnnotation map[string]interface{}
 849                 var podStatus corev1.PodStatus
 850                 var podDefaultNetStatus []NetworksStatus
 851
 852                 annotation, err := json.Marshal(pod.ObjectMeta.GetAnnotations())
 853                 if err != nil {
 854                         fmt.Printf("Could not get pod annotations, Error: %v\n", err)
 855                         return []VirtletVM{}, err
 856                 }
 857
 858                 json.Unmarshal([]byte(annotation), &podAnnotation)
 859                 if podAnnotation != nil && podAnnotation["kubernetes.io/target-runtime"] != nil {
 860                         runtime := podAnnotation["kubernetes.io/target-runtime"].(string)
 861
 862                         podStatusJson, _ := json.Marshal(pod.Status)
 863                         json.Unmarshal([]byte(podStatusJson), &podStatus)
 864
 865                         if runtime  == "virtlet.cloud" && podStatus.Phase == "Running" && podAnnotation["v1.multus-cni.io/default-network"] != nil {
 866                                 ns := podAnnotation["v1.multus-cni.io/default-network"].(string)
 867                                 json.Unmarshal([]byte(ns), &podDefaultNetStatus)
 868
 869                                 vmPodList = append(vmPodList, VirtletVM{podStatus.PodIP, podDefaultNetStatus[0].Mac})
 870                         }
 871                 }
 872         }
 873
 874         return vmPodList, nil
 875 }
 876
 877 func getVMIPaddress(vmList []VirtletVM, macAddress string) (string, error) {
 878
 879         for i := 0; i < len(vmList); i++ {
 880                 if vmList[i].MACaddress == macAddress {
 881                         return vmList[i].IPaddress, nil
 882                 }
 883         }
 884         return "", nil
 885 }