|
| 1 | +package instance |
| 2 | + |
| 3 | +import ( |
| 4 | + "context" |
| 5 | + "fmt" |
| 6 | + "math/rand" |
| 7 | + "net/url" |
| 8 | + "strings" |
| 9 | + "time" |
| 10 | + |
| 11 | + "github.com/pkg/errors" |
| 12 | + "github.com/sp-yduck/proxmox/pkg/api" |
| 13 | + "github.com/sp-yduck/proxmox/pkg/service/node" |
| 14 | + "github.com/sp-yduck/proxmox/pkg/service/node/vm" |
| 15 | + "sigs.k8s.io/controller-runtime/pkg/log" |
| 16 | + |
| 17 | + infrav1 "github.com/sp-yduck/cluster-api-provider-proxmox/api/v1beta1" |
| 18 | +) |
| 19 | + |
| 20 | +func (s *Service) reconcileQEMU(ctx context.Context) (*vm.VirtualMachine, error) { |
| 21 | + log := log.FromContext(ctx) |
| 22 | + log.Info("Reconciling QEMU") |
| 23 | + |
| 24 | + nodeName := s.scope.NodeName() |
| 25 | + vmid := s.scope.GetVMID() |
| 26 | + vm, err := s.getQEMU(nodeName, vmid) |
| 27 | + if err == nil { // if vm is found, return it |
| 28 | + return vm, nil |
| 29 | + } |
| 30 | + if !IsNotFound(err) { |
| 31 | + log.Error(err, fmt.Sprintf("failed to get vm: node=%s,vmid=%d", nodeName, *vmid)) |
| 32 | + return nil, err |
| 33 | + } |
| 34 | + |
| 35 | + // no vm found, create new one |
| 36 | + return s.createQEMU(ctx, nodeName, vmid) |
| 37 | +} |
| 38 | + |
| 39 | +func (s *Service) getQEMU(nodeName string, vmid *int) (*vm.VirtualMachine, error) { |
| 40 | + if vmid != nil && nodeName != "" { |
| 41 | + node, err := s.GetNode(nodeName) |
| 42 | + if err != nil { |
| 43 | + return nil, err |
| 44 | + } |
| 45 | + return node.VirtualMachine(*vmid) |
| 46 | + } |
| 47 | + return nil, api.ErrNotFound |
| 48 | +} |
| 49 | + |
| 50 | +func (s *Service) createQEMU(ctx context.Context, nodeName string, vmid *int) (*vm.VirtualMachine, error) { |
| 51 | + log := log.FromContext(ctx) |
| 52 | + |
| 53 | + var node *node.Node |
| 54 | + var err error |
| 55 | + |
| 56 | + // get node |
| 57 | + if nodeName != "" { |
| 58 | + node, err = s.GetNode(nodeName) |
| 59 | + if err != nil { |
| 60 | + log.Error(err, fmt.Sprintf("failed to get node %s", nodeName)) |
| 61 | + return nil, err |
| 62 | + } |
| 63 | + } else { |
| 64 | + // temp solution |
| 65 | + node, err = s.GetRandomNode() |
| 66 | + if err != nil { |
| 67 | + log.Error(err, "failed to get random node") |
| 68 | + return nil, err |
| 69 | + } |
| 70 | + s.scope.SetNodeName(node.Node) |
| 71 | + } |
| 72 | + |
| 73 | + // (for multiple node proxmox cluster support) |
| 74 | + // to do : set ssh client for specific node |
| 75 | + |
| 76 | + // if vmid is empty, generate new vmid |
| 77 | + if vmid == nil { |
| 78 | + nextid, err := s.GetNextID() |
| 79 | + if err != nil { |
| 80 | + log.Error(err, "failed to get available vmid") |
| 81 | + return nil, err |
| 82 | + } |
| 83 | + vmid = &nextid |
| 84 | + } |
| 85 | + |
| 86 | + // create vm |
| 87 | + vmoption := generateVMOptions(s.scope.Name(), s.scope.GetStorage().Name, s.scope.GetNetwork(), s.scope.GetHardware()) |
| 88 | + vm, err := node.CreateVirtualMachine(*vmid, vmoption) |
| 89 | + if err != nil { |
| 90 | + log.Error(err, "failed to create virtual machine") |
| 91 | + return nil, err |
| 92 | + } |
| 93 | + s.scope.SetVMID(*vmid) |
| 94 | + return vm, nil |
| 95 | +} |
| 96 | + |
| 97 | +func (s *Service) GetNextID() (int, error) { |
| 98 | + return s.client.NextID() |
| 99 | +} |
| 100 | + |
| 101 | +func (s *Service) GetNodes() ([]*node.Node, error) { |
| 102 | + return s.client.Nodes() |
| 103 | +} |
| 104 | + |
| 105 | +func (s *Service) GetNode(name string) (*node.Node, error) { |
| 106 | + return s.client.Node(name) |
| 107 | +} |
| 108 | + |
| 109 | +// GetRandomNode returns a node chosen randomly |
| 110 | +func (s *Service) GetRandomNode() (*node.Node, error) { |
| 111 | + nodes, err := s.GetNodes() |
| 112 | + if err != nil { |
| 113 | + return nil, err |
| 114 | + } |
| 115 | + if len(nodes) <= 0 { |
| 116 | + return nil, errors.Errorf("no nodes found") |
| 117 | + } |
| 118 | + src := rand.NewSource(time.Now().Unix()) |
| 119 | + r := rand.New(src) |
| 120 | + return nodes[r.Intn(len(nodes))], nil |
| 121 | +} |
| 122 | + |
| 123 | +func generateVMOptions(vmName, storageName string, network infrav1.Network, hardware infrav1.Hardware) vm.VirtualMachineCreateOptions { |
| 124 | + vmoptions := vm.VirtualMachineCreateOptions{ |
| 125 | + Agent: "enabled=1", |
| 126 | + Cores: hardware.CPU, |
| 127 | + Memory: hardware.Memory, |
| 128 | + Name: vmName, |
| 129 | + NameServer: network.NameServer, |
| 130 | + Boot: "order=scsi0", |
| 131 | + Ide: vm.Ide{Ide2: fmt.Sprintf("file=%s:cloudinit,media=cdrom", storageName)}, |
| 132 | + CiCustom: fmt.Sprintf("user=%s:snippets/%s-user.yml", storageName, vmName), |
| 133 | + IPConfig: vm.IPConfig{IPConfig0: network.IPConfig.String()}, |
| 134 | + OSType: vm.L26, |
| 135 | + Net: vm.Net{Net0: "model=virtio,bridge=vmbr0,firewall=1"}, |
| 136 | + Scsi: vm.Scsi{Scsi0: fmt.Sprintf("file=%s:8", storageName)}, |
| 137 | + ScsiHw: vm.VirtioScsiPci, |
| 138 | + SearchDomain: network.SearchDomain, |
| 139 | + Serial: vm.Serial{Serial0: "socket"}, |
| 140 | + VGA: "serial0", |
| 141 | + } |
| 142 | + return vmoptions |
| 143 | +} |
| 144 | + |
| 145 | +// URL encodes the ssh keys |
| 146 | +func sshKeyUrlEncode(keys string) (encodedKeys string) { |
| 147 | + encodedKeys = url.PathEscape(keys + "\n") |
| 148 | + encodedKeys = strings.Replace(encodedKeys, "+", "%2B", -1) |
| 149 | + encodedKeys = strings.Replace(encodedKeys, "@", "%40", -1) |
| 150 | + encodedKeys = strings.Replace(encodedKeys, "=", "%3D", -1) |
| 151 | + return |
| 152 | +} |
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