|
| 1 | +package cluster |
| 2 | + |
| 3 | +import ( |
| 4 | + "context" |
| 5 | + "fmt" |
| 6 | + |
| 7 | + mcmanager "sigs.k8s.io/multicluster-runtime/pkg/manager" |
| 8 | +) |
| 9 | + |
| 10 | +// Manager provides unified access to clusters across different runtime modes |
| 11 | +type Manager interface { |
| 12 | + // GetCluster returns a cluster by name |
| 13 | + GetCluster(ctx context.Context, name string) (Cluster, error) |
| 14 | + |
| 15 | + // ListClusters returns all available clusters |
| 16 | + ListClusters(ctx context.Context) ([]string, error) |
| 17 | + |
| 18 | + // IsMulticluster returns true if this manager uses multicluster runtime |
| 19 | + IsMulticluster() bool |
| 20 | +} |
| 21 | + |
| 22 | +// MulticlusterManager wraps multicluster runtime manager |
| 23 | +type MulticlusterManager struct { |
| 24 | + mcMgr mcmanager.Manager |
| 25 | +} |
| 26 | + |
| 27 | +// NewMulticlusterManager creates a new multicluster manager wrapper |
| 28 | +func NewMulticlusterManager(mcMgr mcmanager.Manager) *MulticlusterManager { |
| 29 | + return &MulticlusterManager{ |
| 30 | + mcMgr: mcMgr, |
| 31 | + } |
| 32 | +} |
| 33 | + |
| 34 | +func (m *MulticlusterManager) GetCluster(ctx context.Context, name string) (Cluster, error) { |
| 35 | + cluster, err := m.mcMgr.GetCluster(ctx, name) |
| 36 | + if err != nil { |
| 37 | + return nil, fmt.Errorf("failed to get cluster %s from multicluster manager: %w", name, err) |
| 38 | + } |
| 39 | + return NewMulticlusterRuntimeCluster(name, cluster), nil |
| 40 | +} |
| 41 | + |
| 42 | +func (m *MulticlusterManager) ListClusters(ctx context.Context) ([]string, error) { |
| 43 | + // Note: multicluster runtime doesn't provide a direct ListClusters method |
| 44 | + // This would need to be implemented based on the specific multicluster runtime version |
| 45 | + // For now, return empty list - clusters are discovered dynamically |
| 46 | + return []string{}, nil |
| 47 | +} |
| 48 | + |
| 49 | +func (m *MulticlusterManager) IsMulticluster() bool { |
| 50 | + return true |
| 51 | +} |
| 52 | + |
| 53 | +// StandaloneManager manages standalone clusters (legacy mode) |
| 54 | +type StandaloneManager struct { |
| 55 | + clusters map[string]Cluster |
| 56 | +} |
| 57 | + |
| 58 | +// NewStandaloneManager creates a new standalone cluster manager |
| 59 | +func NewStandaloneManager() *StandaloneManager { |
| 60 | + return &StandaloneManager{ |
| 61 | + clusters: make(map[string]Cluster), |
| 62 | + } |
| 63 | +} |
| 64 | + |
| 65 | +func (m *StandaloneManager) GetCluster(ctx context.Context, name string) (Cluster, error) { |
| 66 | + cluster, exists := m.clusters[name] |
| 67 | + if !exists { |
| 68 | + return nil, fmt.Errorf("cluster %s not found", name) |
| 69 | + } |
| 70 | + return cluster, nil |
| 71 | +} |
| 72 | + |
| 73 | +func (m *StandaloneManager) ListClusters(ctx context.Context) ([]string, error) { |
| 74 | + names := make([]string, 0, len(m.clusters)) |
| 75 | + for name := range m.clusters { |
| 76 | + names = append(names, name) |
| 77 | + } |
| 78 | + return names, nil |
| 79 | +} |
| 80 | + |
| 81 | +func (m *StandaloneManager) IsMulticluster() bool { |
| 82 | + return false |
| 83 | +} |
| 84 | + |
| 85 | +// AddCluster adds a cluster to the standalone manager |
| 86 | +func (m *StandaloneManager) AddCluster(cluster Cluster) { |
| 87 | + m.clusters[cluster.GetName()] = cluster |
| 88 | +} |
| 89 | + |
| 90 | +// RemoveCluster removes a cluster from the standalone manager |
| 91 | +func (m *StandaloneManager) RemoveCluster(name string) { |
| 92 | + delete(m.clusters, name) |
| 93 | +} |
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