| 1 | package hostbox |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "database/sql" |
| 6 | "encoding/json" |
| 7 | "errors" |
| 8 | "path/filepath" |
| 9 | |
| 10 | "github.com/carlosframework/platform/internal/hostguard" |
| 11 | ) |
| 12 | |
| 13 | type StopInventoryDB struct { |
| 14 | db *sql.DB |
| 15 | remote JournalCall |
| 16 | shared bool |
| 17 | } |
| 18 | |
| 19 | func (d *StopInventoryDB) Close() error { |
| 20 | if d == nil { |
| 21 | return nil |
| 22 | } |
| 23 | if d.remote != nil || d.shared { |
| 24 | return nil |
| 25 | } |
| 26 | return d.db.Close() |
| 27 | } |
| 28 | func (d *StopInventoryDB) WriteStopInventory(ctx context.Context, in StopInventory) error { |
| 29 | if d == nil { |
| 30 | return ErrUnsupported |
| 31 | } |
| 32 | if d.remote != nil { |
| 33 | prior, err := journalCall(ctx, d.remote, JournalRequest{Op: "inventory-version", Target: hostguard.FenceTarget{Host: in.Host, Incarnation: in.Incarnation, Stamp: in.InstallationStamp}}) |
| 34 | if err != nil { |
| 35 | return err |
| 36 | } |
| 37 | request := JournalRequest{Op: "inventory-write", Inventory: in, Revision: prior.Revision} |
| 38 | _, err = journalCall(ctx, d.remote, request) |
| 39 | return err |
| 40 | } |
| 41 | |
| 42 | if !component(in.Host) || in.Incarnation == "" || in.InstallationStamp == 0 || in.Box == "" || in.Enrollment == "" || in.DirectoryRevision == "" || (len(in.Entries) == 0 && !in.Complete) { |
| 43 | return ErrTypedInventory |
| 44 | } |
| 45 | for _, a := range in.Entries { |
| 46 | if !component(a.ArtifactID) || !component(a.ManagedRoot) || !filepath.IsLocal(a.RelativePath) || a.Ownership == "" || (a.Materialization != "intended" && a.Materialization != "materialized") { |
| 47 | return ErrTypedInventory |
| 48 | } |
| 49 | } |
| 50 | b, err := json.Marshal(in) |
| 51 | if err != nil { |
| 52 | return err |
| 53 | } |
| 54 | tx, commit, rollback, err := journalTransaction(ctx, d.db) |
| 55 | if err != nil { |
| 56 | return err |
| 57 | } |
| 58 | defer rollback() |
| 59 | if _, err = tx.ExecContext(ctx, "INSERT INTO stop_inventory(host,incarnation,stamp,body) VALUES(?,?,?,?) ON CONFLICT(host,incarnation,stamp) DO UPDATE SET body=excluded.body", in.Host, in.Incarnation, in.InstallationStamp, b); err != nil { |
| 60 | return err |
| 61 | } |
| 62 | request, _ := ctx.Value(journalRequestKey{}).(string) |
| 63 | if _, err = tx.ExecContext(ctx, "INSERT INTO journal_inventory_versions(host,incarnation,stamp,revision,request) VALUES(?,?,?,1,?) ON CONFLICT(host,incarnation,stamp) DO UPDATE SET revision=revision+1,request=excluded.request", in.Host, in.Incarnation, in.InstallationStamp, request); err != nil { |
| 64 | return err |
| 65 | } |
| 66 | return commit() |
| 67 | } |
| 68 | func (d *StopInventoryDB) ReadStopInventory(ctx context.Context, host string) (StopInventory, error) { |
| 69 | if d == nil { |
| 70 | return StopInventory{}, ErrUnsupported |
| 71 | } |
| 72 | if d.remote != nil { |
| 73 | out, err := journalCall(ctx, d.remote, JournalRequest{Op: "inventory-read", Target: hostguard.FenceTarget{Host: host}}) |
| 74 | return out.Inventory, err |
| 75 | } |
| 76 | |
| 77 | var b []byte |
| 78 | err := journalExecutorFor(ctx, d.db).QueryRowContext(ctx, "SELECT body FROM stop_inventory WHERE host=? ORDER BY stamp DESC LIMIT 1", host).Scan(&b) |
| 79 | if err != nil { |
| 80 | return StopInventory{}, err |
| 81 | } |
| 82 | var in StopInventory |
| 83 | err = json.Unmarshal(b, &in) |
| 84 | return in, err |
| 85 | } |
| 86 | func (d *StopInventoryDB) ReadExactStopInventory(ctx context.Context, t hostguard.FenceTarget) (StopInventory, error) { |
| 87 | if d == nil { |
| 88 | return StopInventory{}, ErrUnsupported |
| 89 | } |
| 90 | if d.remote != nil { |
| 91 | out, err := journalCall(ctx, d.remote, JournalRequest{Op: "inventory-exact", Target: t}) |
| 92 | return out.Inventory, err |
| 93 | } |
| 94 | |
| 95 | var b []byte |
| 96 | err := journalExecutorFor(ctx, d.db).QueryRowContext(ctx, "SELECT body FROM stop_inventory WHERE host=? AND incarnation=? AND stamp=?", t.Host, t.Incarnation, t.Stamp).Scan(&b) |
| 97 | if err != nil { |
| 98 | return StopInventory{}, err |
| 99 | } |
| 100 | var in StopInventory |
| 101 | err = json.Unmarshal(b, &in) |
| 102 | return in, err |
| 103 | } |
| 104 | |
| 105 | func (d *StopInventoryDB) ReadInstallation(ctx context.Context, host, incarnation string, stamp uint64) (StopInventory, error) { |
| 106 | return d.ReadExactStopInventory(ctx, hostguard.FenceTarget{Host: host, Incarnation: incarnation, Stamp: stamp}) |
| 107 | } |
| 108 | |
| 109 | func (d *StopInventoryDB) inventoryVersion(ctx context.Context, target hostguard.FenceTarget) (JournalResponse, error) { |
| 110 | var out JournalResponse |
| 111 | err := journalExecutorFor(ctx, d.db).QueryRowContext(ctx, "SELECT v.revision,v.request,i.body FROM journal_inventory_versions v JOIN stop_inventory i ON i.host=v.host AND i.incarnation=v.incarnation AND i.stamp=v.stamp WHERE v.host=? AND v.incarnation=? AND v.stamp=?", target.Host, target.Incarnation, target.Stamp).Scan(&out.Revision, &out.LastRequest, newInventoryBytes(&out.Inventory)) |
| 112 | if errors.Is(err, sql.ErrNoRows) { |
| 113 | return out, nil |
| 114 | } |
| 115 | return out, err |
| 116 | } |
| 117 | |
| 118 | type inventoryScanner struct{ out *StopInventory } |
| 119 | |
| 120 | func newInventoryBytes(out *StopInventory) *inventoryScanner { return &inventoryScanner{out} } |
| 121 | func (s *inventoryScanner) Scan(value any) error { |
| 122 | raw, ok := value.([]byte) |
| 123 | if !ok { |
| 124 | return ErrTypedInventory |
| 125 | } |
| 126 | return json.Unmarshal(raw, s.out) |
| 127 | } |
| 128 | |
amadan