77 lines
2.0 KiB
Go
77 lines
2.0 KiB
Go
package headscale
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import "gorm.io/gorm"
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const errorSameNamespace = Error("Destination namespace same as origin")
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const errorMachineAlreadyShared = Error("Node already shared to this namespace")
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const errorMachineNotShared = Error("Machine not shared to this namespace")
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// SharedMachine is a join table to support sharing nodes between namespaces
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type SharedMachine struct {
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gorm.Model
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MachineID uint64
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Machine Machine
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NamespaceID uint
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Namespace Namespace
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}
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// AddSharedMachineToNamespace adds a machine as a shared node to a namespace
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func (h *Headscale) AddSharedMachineToNamespace(m *Machine, ns *Namespace) error {
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if m.NamespaceID == ns.ID {
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return errorSameNamespace
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}
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sharedMachines := []SharedMachine{}
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if err := h.db.Where("machine_id = ? AND namespace_id = ?", m.ID, ns.ID).Find(&sharedMachines).Error; err != nil {
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return err
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}
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if len(sharedMachines) > 0 {
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return errorMachineAlreadyShared
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}
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sharedMachine := SharedMachine{
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MachineID: m.ID,
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Machine: *m,
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NamespaceID: ns.ID,
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Namespace: *ns,
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}
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h.db.Save(&sharedMachine)
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return nil
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}
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// RemoveSharedMachineFromNamespace removes a shared machine from a namespace
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func (h *Headscale) RemoveSharedMachineFromNamespace(m *Machine, ns *Namespace) error {
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if m.NamespaceID == ns.ID {
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// Can't unshare from primary namespace
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return errorMachineNotShared
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}
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sharedMachine := SharedMachine{}
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result := h.db.Where("machine_id = ? AND namespace_id = ?", m.ID, ns.ID).Unscoped().Delete(&sharedMachine)
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if result.Error != nil {
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return result.Error
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}
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if result.RowsAffected == 0 {
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return errorMachineNotShared
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}
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err := h.RequestMapUpdates(ns.ID)
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if err != nil {
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return err
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}
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return nil
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}
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// RemoveSharedMachineFromAllNamespaces removes a machine as a shared node from all namespaces
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func (h *Headscale) RemoveSharedMachineFromAllNamespaces(m *Machine) error {
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sharedMachine := SharedMachine{}
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if result := h.db.Where("machine_id = ?", m.ID).Unscoped().Delete(&sharedMachine); result.Error != nil {
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return result.Error
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}
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return nil
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}
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