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         dhcpLeaseFile := provisioningInstance.Spec.DHCPleaseFile
 195         kudInstallerScript := provisioningInstance.Spec.KUDInstaller
 196         multiClusterDir := provisioningInstance.Spec.MultiClusterPath
 197
 198
 199         bareMetalHostList, _ := listBareMetalHosts(r.bmhClient)
 200         virtletVMList, _ := listVirtletVMs(r.clientset)
 201
 202
 203
 204
 205         var allString string
 206         var masterString string
 207         var workerString string
 208
 209         defaultDHCPFile := "/var/lib/dhcp/dhcpd.leases"
 210         defaultKUDInstallerPath := "/multicloud-k8s/kud/hosting_providers/vagrant"
 211         defaultMultiClusterDir := "/multi-cluster"
 212
 213         //Give Default values for paths if no path is given in the CR
 214         if dhcpLeaseFile == "" {
 215            dhcpLeaseFile = defaultDHCPFile
 216         }
 217
 218         if kudInstallerScript == "" {
 219            kudInstallerScript = defaultKUDInstallerPath
 220         }
 221
 222         if multiClusterDir == "" {
 223            multiClusterDir = defaultMultiClusterDir
 224         }
 225
 226         //Create Directory for the specific cluster
 227         clusterDir := multiClusterDir + "/" + clusterName
 228         os.MkdirAll(clusterDir, os.ModePerm)
 229
 230         //Create Maps to be used for cluster ip address to label configmap
 231         clusterLabel := make(map[string]string)
 232         clusterLabel["cluster"] = clusterName
 233         clusterData := make(map[string]string)
 234
 235
 236
 237        //Iterate through mastersList and get all the mac addresses and IP addresses
 238        for _, masterMap := range mastersList {
 239
 240                 for masterLabel, master := range masterMap {
 241                    masterMAC := master.MACaddress
 242                    hostIPaddress := ""
 243
 244                    if masterMAC == "" {
 245                       err = fmt.Errorf("MAC address for masterNode %s not provided\n", masterLabel)
 246                       return reconcile.Result{}, err
 247                    }
 248
 249                    containsMac, bmhCR := checkMACaddress(bareMetalHostList, masterMAC)
 250
 251                    //Check 'cluster-type' label for Virtlet VMs
 252                    if clusterType == "virtlet-vm" {
 253                        //Get VM IP address of master
 254                        hostIPaddress, err = getVMIPaddress(virtletVMList, masterMAC)
 255                        if err != nil || hostIPaddress == "" {
 256                            err = fmt.Errorf("IP address not found for VM with MAC address %s \n", masterMAC)
 257                            return reconcile.Result{}, err
 258                        }
 259                        containsMac = true
 260                    }
 261
 262                    if containsMac{
 263
 264                        if clusterType != "virtlet-vm" {
 265                            fmt.Printf("BareMetalHost CR %s has NIC with MAC Address %s\n", bmhCR, masterMAC)
 266
 267                            //Get IP address of master
 268                            hostIPaddress, err = getHostIPaddress(masterMAC, dhcpLeaseFile )
 269                            if err != nil || hostIPaddress == ""{
 270                                err = fmt.Errorf("IP address not found for host with MAC address %s \n", masterMAC)
 271                                return reconcile.Result{}, err
 272                            }
 273                        }
 274
 275                        allString += masterLabel + "  ansible_ssh_host="  + hostIPaddress + " ansible_ssh_port=22" + "\n"
 276                        masterString += masterLabel + "\n"
 277                        clusterData[masterTag + masterLabel] = hostIPaddress
 278
 279                        fmt.Printf("%s : %s \n", hostIPaddress, masterMAC)
 280
 281                        if len(workersList) != 0 {
 282
 283                            //Iterate through workersList and get all the mac addresses
 284                            for _, workerMap := range workersList {
 285
 286                                //Get worker labels from the workermap
 287                                for workerLabel, worker := range workerMap {
 288
 289                                    //Check if workerString already contains worker label
 290                                    containsWorkerLabel := strings.Contains(workerString, workerLabel)
 291                                    workerMAC := worker.MACaddress
 292                                    hostIPaddress = ""
 293
 294                                    //Error occurs if the same label is given to different hosts (assumption,
 295                                    //each MAC address represents a unique host
 296                                    if workerLabel == masterLabel && workerMAC != masterMAC && workerMAC != "" {
 297                                      if containsWorkerLabel {
 298                                             strings.ReplaceAll(workerString, workerLabel, "")
 299                                          }
 300                                       err = fmt.Errorf(`A node with label %s already exists, modify resource and assign a
 301                                       different label to node with MACAddress %s`, workerLabel, workerMAC)
 302                                       return reconcile.Result{}, err
 303
 304                                    //same node performs worker and master roles
 305                                    } else if workerLabel == masterLabel && !containsWorkerLabel {
 306                                         workerString += workerLabel + "\n"
 307
 308                                         //Add host to ip address config map with worker tag
 309                                         hostIPaddress = clusterData[masterTag + masterLabel]
 310                                         clusterData[workerTag + masterLabel] = hostIPaddress
 311
 312                                    //Error occurs if the same node is given different labels
 313                                    } else if workerLabel != masterLabel && workerMAC == masterMAC {
 314                                          if containsWorkerLabel {
 315                                             strings.ReplaceAll(workerString, workerLabel, "")
 316                                          }
 317                                          err = fmt.Errorf(`A node with label %s already exists, modify resource and assign a
 318                                                         different label to node with MACAddress %s`, workerLabel, workerMAC)
 319                                          return reconcile.Result{}, err
 320
 321                                    //worker node is different from any master node and it has not been added to the worker list
 322                                    } else if workerLabel != masterLabel && !containsWorkerLabel {
 323
 324                                         // Error occurs if MAC address not provided for worker node not matching master
 325                                         if workerMAC == "" {
 326                                           err = fmt.Errorf("MAC address for worker %s not provided", workerLabel)
 327                                           return reconcile.Result{}, err
 328                                          }
 329
 330                                         containsMac, bmhCR := checkMACaddress(bareMetalHostList, workerMAC)
 331
 332                                         if clusterType == "virtlet-vm" {
 333                                             //Get VM IP address of master
 334                                             hostIPaddress, err = getVMIPaddress(virtletVMList, workerMAC)
 335                                             if err != nil || hostIPaddress == "" {
 336                                                 err = fmt.Errorf("IP address not found for VM with MAC address %s \n", workerMAC)
 337                                                 return reconcile.Result{}, err
 338                                             }
 339                                             containsMac = true
 340                                         }
 341
 342                                         if containsMac{
 343
 344                                            if clusterType != "virtlet-vm" {
 345                                                fmt.Printf("Host %s matches that macAddress\n", bmhCR)
 346
 347                                                //Get IP address of worker
 348                                                hostIPaddress, err = getHostIPaddress(workerMAC, dhcpLeaseFile )
 349                                                if err != nil {
 350                                                    fmt.Errorf("IP address not found for host with MAC address %s \n", workerMAC)
 351                                                    return reconcile.Result{}, err
 352                                                }
 353                                            }
 354                                            fmt.Printf("%s : %s \n", hostIPaddress, workerMAC)
 355
 356
 357                                            allString += workerLabel + "  ansible_ssh_host="  + hostIPaddress + " ansible_ssh_port=22" + "\n"
 358                                            workerString += workerLabel + "\n"
 359                                            clusterData[workerTag + workerLabel] = hostIPaddress
 360
 361                                        //No host found that matches the worker MAC
 362                                        } else {
 363
 364                                             err = fmt.Errorf("Host with MAC Address %s not found\n", workerMAC)
 365                                             return reconcile.Result{}, err
 366                                           }
 367                                    }
 368                              }
 369                        }
 370                    //No worker node specified, add master as worker node
 371                    } else if len(workersList) == 0 && !strings.Contains(workerString, masterLabel) {
 372                        workerString += masterLabel + "\n"
 373
 374                        //Add host to ip address config map with worker tag
 375                        hostIPaddress = clusterData[masterTag + masterLabel]
 376                        clusterData[workerTag + masterLabel] = hostIPaddress
 377                    }
 378
 379                    //No host matching master MAC found
 380                    } else {
 381                       err = fmt.Errorf("Host with MAC Address %s not found\n", masterMAC)
 382                       return reconcile.Result{}, err
 383                    }
 384              }
 385         }
 386
 387         //Create host.ini file
 388         //iniHostFilePath := kudInstallerScript + "/inventory/hosts.ini"
 389         iniHostFilePath := clusterDir + "/hosts.ini"
 390         newFile, err := os.Create(iniHostFilePath)
 391         defer newFile.Close()
 392
 393
 394         if err != nil {
 395            fmt.Printf("Error occured while creating file \n %v", err)
 396            return reconcile.Result{}, err
 397         }
 398
 399         hostFile, err := ini.Load(iniHostFilePath)
 400         if err != nil {
 401            fmt.Printf("Error occured while Loading file \n %v", err)
 402            return reconcile.Result{}, err
 403         }
 404
 405         _, err = hostFile.NewRawSection("all", allString)
 406         if err != nil {
 407            fmt.Printf("Error occured while creating section \n %v", err)
 408            return reconcile.Result{}, err
 409         }
 410         _, err = hostFile.NewRawSection("kube-master", masterString)
 411         if err != nil {
 412            fmt.Printf("Error occured while creating section \n %v", err)
 413            return reconcile.Result{}, err
 414         }
 415
 416         _, err = hostFile.NewRawSection("kube-node", workerString)
 417         if err != nil {
 418            fmt.Printf("Error occured while creating section \n %v", err)
 419            return reconcile.Result{}, err
 420         }
 421
 422         _, err = hostFile.NewRawSection("etcd", masterString)
 423         if err != nil {
 424            fmt.Printf("Error occured while creating section \n %v", err)
 425            return reconcile.Result{}, err
 426         }
 427
 428         if clusterType == "virtlet-vm" {
 429                 _, err = hostFile.NewRawSection("ovn-central", masterString)
 430                 if err != nil {
 431                         fmt.Printf("Error occured while creating section \n %v", err)
 432                         return reconcile.Result{}, err
 433                 }
 434                 _, err = hostFile.NewRawSection("ovn-controller", masterString)
 435                 if err != nil {
 436                         fmt.Printf("Error occured while creating section \n %v", err)
 437                         return reconcile.Result{}, err
 438                 }
 439         }
 440
 441         _, err = hostFile.NewRawSection("k8s-cluster:children", "kube-node\n" + "kube-master")
 442         if err != nil {
 443            fmt.Printf("Error occured while creating section \n %v", err)
 444            return reconcile.Result{}, err
 445         }
 446
 447
 448         //Create host.ini file for KUD
 449         hostFile.SaveTo(iniHostFilePath)
 450
 451         //Install KUD
 452         err = createKUDinstallerJob(clusterName, request.Namespace, clusterLabel, r.clientset)
 453         if err != nil {
 454            fmt.Printf("Error occured while creating KUD Installer job for cluster %v\n ERROR: %v", clusterName, err)
 455            return reconcile.Result{}, err
 456         }
 457
 458         //Start separate thread to keep checking job status, Create an IP address configmap
 459         //for cluster if KUD is successfully installed
 460         go checkJob(clusterName, request.Namespace, clusterData, clusterLabel, r.clientset)
 461
 462         return reconcile.Result{}, nil
 463
 464        }
 465
 466
 467
 468         ///////////////////////////////////////////////////////////////////////////////////////////////
 469         ////////////////         Software CR was created so install software         /////////////////
 470         //////////////////////////////////////////////////////////////////////////////////////////////
 471         softwareClusterName, masterSoftwareList, workerSoftwareList := getSoftwareList(softwareInstance)
 472         defaultSSHPrivateKey := "/root/.ssh/id_rsa"
 473
 474         //Get IP address configmap for the cluster
 475         clusterConfigMapData, err := getConfigMapData(request.Namespace, softwareClusterName, r.clientset)
 476         if err != nil {
 477            fmt.Printf("Error occured while retrieving IP address Data for cluster %s, ERROR: %v\n", softwareClusterName, err)
 478            return reconcile.Result{}, err
 479         }
 480
 481         for hostLabel, ipAddress := range clusterConfigMapData {
 482
 483             if strings.Contains(hostLabel, masterTag) {
 484                // Its a master node, install master software
 485                err = softwareInstaller(ipAddress, defaultSSHPrivateKey, masterSoftwareList)
 486                if err != nil {
 487                   fmt.Printf("Error occured while installing master software in host %s, ERROR: %v\n", hostLabel, err)
 488                }
 489             } else if strings.Contains(hostLabel, workerTag) {
 490               // Its a worker node, install worker software
 491               err = softwareInstaller(ipAddress, defaultSSHPrivateKey, workerSoftwareList)
 492               if err != nil {
 493                   fmt.Printf("Error occured while installing worker software in host %s, ERROR: %v\n", hostLabel, err)
 494                }
 495
 496             }
 497
 498         }
 499
 500         return reconcile.Result{}, nil
 501 }
 502
 503 //Function to Get List containing baremetal hosts
 504 func listBareMetalHosts(bmhDynamicClient dynamic.Interface) (*unstructured.UnstructuredList, error) {
 505
 506     //Create GVR representing a BareMetalHost CR
 507     bmhGVR := schema.GroupVersionResource{
 508       Group:    "metal3.io",
 509       Version:  "v1alpha1",
 510       Resource: "baremetalhosts",
 511     }
 512
 513     //Get List containing all BareMetalHosts CRs
 514     bareMetalHosts, err := bmhDynamicClient.Resource(bmhGVR).List(metav1.ListOptions{})
 515     if err != nil {
 516        fmt.Printf("Error occured, cannot get BareMetalHosts list, Error: %v\n", err)
 517        return &unstructured.UnstructuredList{}, err
 518     }
 519
 520     return bareMetalHosts, nil
 521 }
 522
 523
 524 //Function to check if BareMetalHost containing MAC address exist
 525 func checkMACaddress(bareMetalHostList *unstructured.UnstructuredList, macAddress string) (bool, string) {
 526
 527      //Convert macAddress to byte array for comparison
 528      macAddressByte :=  []byte(macAddress)
 529      macBool := false
 530
 531      for _, bareMetalHost := range bareMetalHostList.Items {
 532          bmhJson, _ := bareMetalHost.MarshalJSON()
 533
 534          macBool = bytes.Contains(bmhJson, macAddressByte)
 535          if macBool{
 536              return macBool, bareMetalHost.GetName()
 537          }
 538
 539       }
 540
 541          return macBool, ""
 542
 543 }
 544
 545
 546 //Function to get the IP address of a host from the DHCP file
 547 func getHostIPaddress(macAddress string, dhcpLeaseFilePath string ) (string, error) {
 548
 549      //Read the dhcp lease file
 550      dhcpFile, err := ioutil.ReadFile(dhcpLeaseFilePath)
 551      if err != nil {
 552         fmt.Printf("Failed to read lease file\n")
 553         return "", err
 554      }
 555
 556      dhcpLeases := string(dhcpFile)
 557
 558      //Regex to use to search dhcpLeases
 559      reg := "lease.*{|ethernet.*|\n. binding state.*"
 560      re, err := regexp.Compile(reg)
 561      if err != nil {
 562         fmt.Printf("Could not create Regexp object, Error %v occured\n", err)
 563         return "", err
 564      }
 565
 566      //Get String containing leased Ip addresses and Corressponding MAC addresses
 567      out := re.FindAllString(dhcpLeases, -1)
 568      outString := strings.Join(out, " ")
 569      stringReplacer := strings.NewReplacer("lease", "", "ethernet ", "", ";", "",
 570      " binding state", "", "{", "")
 571      replaced := stringReplacer.Replace(outString)
 572      ipMacList := strings.Fields(replaced)
 573
 574
 575      //Get IP addresses corresponding to Input MAC Address
 576      for idx := len(ipMacList)-1 ; idx >= 0; idx -- {
 577          item := ipMacList[idx]
 578          if item == macAddress  {
 579
 580             leaseState := ipMacList[idx -1]
 581             if leaseState != "active" {
 582                err := fmt.Errorf("No active ip address lease found for MAC address %s \n", macAddress)
 583                fmt.Printf("%v\n", err)
 584                return "", err
 585             }
 586             ipAdd := ipMacList[idx - 2]
 587             return ipAdd, nil
 588     }
 589
 590  }
 591      return "", nil
 592 }
 593
 594 //Function to create configmap
 595 func createConfigMap(data, labels map[string]string, namespace string, clientset kubernetes.Interface) error{
 596
 597      configmapClient := clientset.CoreV1().ConfigMaps(namespace)
 598
 599      configmap := &corev1.ConfigMap{
 600
 601         ObjectMeta: metav1.ObjectMeta{
 602                         Name: labels["cluster"] + "-configmap",
 603                         Labels: labels,
 604                 },
 605         Data: data,
 606      }
 607
 608
 609       _, err := configmapClient.Create(configmap)
 610       if err != nil {
 611          return err
 612
 613       }
 614       return nil
 615
 616 }
 617
 618 //Function to get configmap Data
 619 func getConfigMapData(namespace, clusterName string, clientset kubernetes.Interface) (map[string]string, error) {
 620
 621      configmapClient := clientset.CoreV1().ConfigMaps(namespace)
 622      configmapName := clusterName + "-configmap"
 623      clusterConfigmap, err := configmapClient.Get(configmapName, metav1.GetOptions{})
 624      if err != nil {
 625         return nil, err
 626      }
 627
 628      configmapData := clusterConfigmap.Data
 629      return configmapData, nil
 630 }
 631
 632 //Function to create job for KUD installation
 633 func createKUDinstallerJob(clusterName, namespace string, labels map[string]string, clientset kubernetes.Interface) error{
 634
 635     var backOffLimit int32 = 0
 636     var privi bool = true
 637
 638
 639     jobClient := clientset.BatchV1().Jobs("default")
 640
 641         job := &batchv1.Job{
 642
 643         ObjectMeta: metav1.ObjectMeta{
 644                         Name: "kud-" + clusterName,
 645                        Labels: labels,
 646                 },
 647                 Spec: batchv1.JobSpec{
 648                       Template: corev1.PodTemplateSpec{
 649                                 ObjectMeta: metav1.ObjectMeta{
 650                                         Labels: labels,
 651                                 },
 652
 653
 654                         Spec: corev1.PodSpec{
 655                               HostNetwork: true,
 656                               Containers: []corev1.Container{{
 657                                           Name: "kud",
 658                                           Image: "github.com/onap/multicloud-k8s:latest",
 659                                           ImagePullPolicy: "IfNotPresent",
 660                                           VolumeMounts: []corev1.VolumeMount{{
 661                                                         Name: "multi-cluster",
 662                                                         MountPath: "/opt/kud/multi-cluster",
 663                                                         },
 664                                                         {
 665                                                         Name: "secret-volume",
 666                                                         MountPath: "/.ssh",
 667                                                         },
 668
 669                                            },
 670                                            Command: []string{"/bin/sh","-c"},
 671                                            Args: []string{"cp -r /.ssh /root/; chmod -R 600 /root/.ssh; ./installer --cluster " +  clusterName},
 672                                            SecurityContext: &corev1.SecurityContext{
 673                                                             Privileged : &privi,
 674
 675                                            },
 676                                           },
 677                                  },
 678                                  Volumes: []corev1.Volume{{
 679                                           Name: "multi-cluster",
 680                                           VolumeSource: corev1.VolumeSource{
 681                                                        HostPath: &corev1.HostPathVolumeSource{
 682                                                               Path : "/opt/kud/multi-cluster",
 683                                                      }}},
 684                                           {
 685                                           Name: "secret-volume",
 686                                           VolumeSource: corev1.VolumeSource{
 687                                                         Secret: &corev1.SecretVolumeSource{
 688                                                               SecretName: "ssh-key-secret",
 689                                                         },
 690
 691                                           }}},
 692                                  RestartPolicy: "Never",
 693                               },
 694
 695                              },
 696                              BackoffLimit : &backOffLimit,
 697                              },
 698
 699                          }
 700                     _, err := jobClient.Create(job)
 701                     if err != nil {
 702                        fmt.Printf("ERROR occured while creating job to install KUD\n ERROR:%v", err)
 703                        return err
 704                     }
 705                     return nil
 706
 707 }
 708
 709 //Function to Check if job succeeded
 710 func checkJob(clusterName, namespace string, data, labels map[string]string, clientset kubernetes.Interface) {
 711
 712      fmt.Printf("\nChecking job status for cluster %s\n", clusterName)
 713      jobName := "kud-" + clusterName
 714      jobClient := clientset.BatchV1().Jobs(namespace)
 715
 716      for {
 717          time.Sleep(2 * time.Second)
 718
 719          job, err := jobClient.Get(jobName, metav1.GetOptions{})
 720          if err != nil {
 721             fmt.Printf("ERROR: %v occured while retrieving job: %s", err, jobName)
 722             return
 723          }
 724          jobSucceeded := job.Status.Succeeded
 725          jobFailed := job.Status.Failed
 726
 727          if jobSucceeded == 1 {
 728             fmt.Printf("\n Job succeeded, KUD successfully installed in Cluster %s\n", clusterName)
 729
 730             //KUD was installed successfully create configmap to store IP address info for the cluster
 731             err = createConfigMap(data, labels, namespace, clientset)
 732             if err != nil {
 733                fmt.Printf("Error occured while creating Ip address configmap for cluster %v\n ERROR: %v", clusterName, err)
 734                return
 735             }
 736             return
 737          }
 738
 739         if jobFailed == 1 {
 740            fmt.Printf("\n Job Failed, KUD not installed in Cluster %s, check pod logs\n", clusterName)
 741            return
 742         }
 743
 744      }
 745     return
 746
 747 }
 748
 749 //Function to get software list from software CR
 750 func getSoftwareList(softwareCR *bpav1alpha1.Software) (string, []interface{}, []interface{}) {
 751
 752      CRclusterName := softwareCR.GetLabels()["cluster"]
 753
 754      masterSofwareList := softwareCR.Spec.MasterSoftware
 755      workerSoftwareList := softwareCR.Spec.WorkerSoftware
 756
 757      return CRclusterName, masterSofwareList, workerSoftwareList
 758 }
 759
 760 //Function to install software in clusterHosts
 761 func softwareInstaller(ipAddress, sshPrivateKey string, softwareList []interface{}) error {
 762
 763      var installString string
 764      for _, software := range softwareList {
 765
 766         switch t := software.(type){
 767         case string:
 768              installString += software.(string) + " "
 769         case interface{}:
 770              softwareMap, errBool := software.(map[string]interface{})
 771              if !errBool {
 772                 fmt.Printf("Error occured, cannot install software %v\n", software)
 773              }
 774              for softwareName, versionMap := range softwareMap {
 775
 776                  versionMAP, _ := versionMap.(map[string]interface{})
 777                  version := versionMAP["version"].(string)
 778                  installString += softwareName + "=" + version + " "
 779              }
 780         default:
 781             fmt.Printf("invalid format %v\n", t)
 782         }
 783
 784      }
 785
 786      err := sshInstaller(installString, sshPrivateKey, ipAddress)
 787      if err != nil {
 788         return err
 789      }
 790      return nil
 791
 792 }
 793
 794 //Function to Run Installation commands via ssh
 795 func sshInstaller(softwareString, sshPrivateKey, ipAddress string) error {
 796
 797      buffer, err := ioutil.ReadFile(sshPrivateKey)
 798      if err != nil {
 799         return err
 800      }
 801
 802      key, err := ssh.ParsePrivateKey(buffer)
 803      if err != nil {
 804         return err
 805      }
 806
 807      sshConfig := &ssh.ClientConfig{
 808         User: "root",
 809         Auth: []ssh.AuthMethod{
 810               ssh.PublicKeys(key),
 811      },
 812
 813      HostKeyCallback: ssh.InsecureIgnoreHostKey(),
 814      }
 815
 816     client, err := ssh.Dial("tcp", ipAddress + ":22", sshConfig)
 817     if err != nil {
 818        return err
 819     }
 820
 821     session, err := client.NewSession()
 822     if err != nil {
 823        return err
 824     }
 825
 826     defer session.Close()
 827     defer client.Close()
 828
 829     cmd := "sudo apt-get update && apt-get install " + softwareString + "-y"
 830     err = session.Start(cmd)
 831
 832     if err != nil {
 833        return err
 834     }
 835
 836     return nil
 837
 838 }
 839
 840 func listVirtletVMs(clientset kubernetes.Interface) ([]VirtletVM, error) {
 841
 842         var vmPodList []VirtletVM
 843
 844         pods, err := clientset.CoreV1().Pods("").List(metav1.ListOptions{})
 845         if err != nil {
 846                 fmt.Printf("Could not get pod info, Error: %v\n", err)
 847                 return []VirtletVM{}, err
 848         }
 849
 850         for _, pod := range pods.Items {
 851                 var podAnnotation map[string]interface{}
 852                 var podStatus corev1.PodStatus
 853                 var podDefaultNetStatus []NetworksStatus
 854
 855                 annotation, err := json.Marshal(pod.ObjectMeta.GetAnnotations())
 856                 if err != nil {
 857                         fmt.Printf("Could not get pod annotations, Error: %v\n", err)
 858                         return []VirtletVM{}, err
 859                 }
 860
 861                 json.Unmarshal([]byte(annotation), &podAnnotation)
 862                 if podAnnotation != nil && podAnnotation["kubernetes.io/target-runtime"] != nil {
 863                         runtime := podAnnotation["kubernetes.io/target-runtime"].(string)
 864
 865                         podStatusJson, _ := json.Marshal(pod.Status)
 866                         json.Unmarshal([]byte(podStatusJson), &podStatus)
 867
 868                         if runtime  == "virtlet.cloud" && podStatus.Phase == "Running" && podAnnotation["v1.multus-cni.io/default-network"] != nil {
 869                                 ns := podAnnotation["v1.multus-cni.io/default-network"].(string)
 870                                 json.Unmarshal([]byte(ns), &podDefaultNetStatus)
 871
 872                                 vmPodList = append(vmPodList, VirtletVM{podStatus.PodIP, podDefaultNetStatus[0].Mac})
 873                         }
 874                 }
 875         }
 876
 877         return vmPodList, nil
 878 }
 879
 880 func getVMIPaddress(vmList []VirtletVM, macAddress string) (string, error) {
 881
 882         for i := 0; i < len(vmList); i++ {
 883                 if vmList[i].MACaddress == macAddress {
 884                         return vmList[i].IPaddress, nil
 885                 }
 886         }
 887         return "", nil
 888 }
 889