|
| 1 | +package app |
| 2 | + |
| 3 | +import ( |
| 4 | + "context" |
| 5 | + "os" |
| 6 | + "time" |
| 7 | + |
| 8 | + "github.com/kubernetes-sigs/container-object-storage-interface-provisioner-sidecar/pkg/controller/bucket" |
| 9 | + "github.com/kubernetes-sigs/container-object-storage-interface-provisioner-sidecar/pkg/controller/bucketaccess" |
| 10 | + "github.com/kubernetes-sigs/container-object-storage-interface-provisioner-sidecar/pkg/grpcclient" |
| 11 | + |
| 12 | + osspec "github.com/kubernetes-sigs/container-object-storage-interface-spec" |
| 13 | + |
| 14 | + "github.com/spf13/cobra" |
| 15 | + |
| 16 | + "google.golang.org/grpc" |
| 17 | + |
| 18 | + "k8s.io/klog" |
| 19 | +) |
| 20 | + |
| 21 | +const ( |
| 22 | + // Interval of logging connection errors |
| 23 | + connectionLoggingInterval = 10 * time.Second |
| 24 | + defaultDriverAddress = "tcp://0.0.0.0:9000" |
| 25 | +) |
| 26 | + |
| 27 | +// SidecarOptions defines the options |
| 28 | +type SidecarOptions struct { |
| 29 | + driverAddress string |
| 30 | +} |
| 31 | + |
| 32 | +// NewSidecarOptions returns an initialized SidecarOptions instance |
| 33 | +func NewSidecarOptions() *SidecarOptions { |
| 34 | + return &SidecarOptions{driverAddress: defaultDriverAddress} |
| 35 | +} |
| 36 | + |
| 37 | +// Run starts the sidecar with the configured options |
| 38 | +func (so *SidecarOptions) Run() { |
| 39 | + klog.V(1).Infof("attempting to open a gRPC connection with: %q", so.driverAddress) |
| 40 | + grpcClient, err := grpcclient.NewGRPCClient(so.driverAddress, []grpc.DialOption{}, nil) |
| 41 | + if err != nil { |
| 42 | + klog.Errorf("error creating GRPC Client: %v", err) |
| 43 | + os.Exit(1) |
| 44 | + } |
| 45 | + |
| 46 | + grpcConn, err := grpcClient.ConnectWithLogging(connectionLoggingInterval) |
| 47 | + if err != nil { |
| 48 | + klog.Errorf("error connecting to COSI driver: %v", err) |
| 49 | + os.Exit(1) |
| 50 | + } |
| 51 | + |
| 52 | + ctx, cancel := context.WithTimeout(context.Background(), time.Second) |
| 53 | + defer cancel() |
| 54 | + |
| 55 | + klog.V(1).Infof("creating provisioner client") |
| 56 | + provisionerClient := osspec.NewProvisionerClient(grpcConn) |
| 57 | + |
| 58 | + klog.Infof("discovering driver name") |
| 59 | + req := osspec.ProvisionerGetInfoRequest{} |
| 60 | + rsp, err := provisionerClient.ProvisionerGetInfo(ctx, &req) |
| 61 | + if err != nil { |
| 62 | + klog.Errorf("error calling ProvisionerGetInfo: %v", err) |
| 63 | + os.Exit(1) |
| 64 | + } |
| 65 | + |
| 66 | + provisionerName := rsp.Name |
| 67 | + // TODO: Register provisioner using internal type |
| 68 | + klog.Info("This sidecar is working with the driver identified as: ", provisionerName) |
| 69 | + |
| 70 | + so.startControllers(ctx, provisionerName, provisionerClient) |
| 71 | + <-ctx.Done() |
| 72 | +} |
| 73 | + |
| 74 | +func (so *SidecarOptions) startControllers(ctx context.Context, name string, client osspec.ProvisionerClient) { |
| 75 | + bucketController, err := bucket.NewBucketController(name, client) |
| 76 | + if err != nil { |
| 77 | + klog.Fatalf("Error creating bucket controller: %v", err) |
| 78 | + } |
| 79 | + |
| 80 | + bucketAccessController, err := bucketaccess.NewBucketAccessController(name, client) |
| 81 | + if err != nil { |
| 82 | + klog.Fatalf("Error creating bucket access controller: %v", err) |
| 83 | + } |
| 84 | + |
| 85 | + go bucketController.Run(ctx) |
| 86 | + go bucketAccessController.Run(ctx) |
| 87 | +} |
| 88 | + |
| 89 | +// NewControllerManagerCommand creates a *cobra.Command object with default parameters |
| 90 | +func NewControllerManagerCommand() *cobra.Command { |
| 91 | + opts := NewSidecarOptions() |
| 92 | + |
| 93 | + cmd := &cobra.Command{ |
| 94 | + Use: "objectstorage-sidecar", |
| 95 | + DisableFlagsInUseLine: true, |
| 96 | + Short: "", |
| 97 | + Long: ``, |
| 98 | + Run: func(cmd *cobra.Command, args []string) { |
| 99 | + opts.Run() |
| 100 | + }, |
| 101 | + } |
| 102 | + |
| 103 | + cmd.Flags().StringVarP(&opts.driverAddress, "connect-address", "c", opts.driverAddress, "The address that the sidecar should connect to") |
| 104 | + |
| 105 | + return cmd |
| 106 | +} |
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