@@ -3,6 +3,7 @@ package internalstorage
33import (
44 "context"
55 "fmt"
6+ "strings"
67
78 "gorm.io/gorm"
89 "k8s.io/apimachinery/pkg/runtime/schema"
@@ -12,30 +13,12 @@ import (
1213)
1314
1415type StorageFactory struct {
15- db * gorm.DB
16- AutoMigration * bool
17- DivisionPolicy DivisionPolicy
18- Mapper []ResourceMapper
16+ db * gorm.DB
17+ SkipAutoMigration bool
18+ DivisionPolicy DivisionPolicy
1919}
2020
2121func (s * StorageFactory ) AutoMigrate () error {
22- if s .AutoMigration != nil && * s .AutoMigration {
23- switch s.DivisionPolicy {
24- if err := s .db .AutoMigrate (& Resource {}); err != nil {
25- return err
26- }
27- case "" , DivisionPolicyNone :
28- case DivisionPolicyGroupResource :
29-
30- }
31-
32- if s .DivisionPolicy == "" || s .DivisionPolicy == DivisionPolicyNone {
33- if err := s .db .AutoMigrate (& Resource {}); err != nil {
34- return err
35- }
36- }
37- }
38-
3922 return nil
4023}
4124
@@ -44,10 +27,36 @@ func (s *StorageFactory) GetSupportedRequestVerbs() []string {
4427}
4528
4629func (s * StorageFactory ) NewResourceStorage (config * storage.ResourceStorageConfig ) (storage.ResourceStorage , error ) {
47- return & ResourceStorage {
48- db : s .db ,
49- codec : config .Codec ,
30+ gvr := schema.GroupVersionResource {
31+ Group : config .StorageGroupResource .Group ,
32+ Version : config .StorageVersion .Version ,
33+ Resource : config .StorageGroupResource .Resource ,
34+ }
35+ table := s .tableName (gvr )
36+
37+ var model interface {}
38+ switch s .DivisionPolicy {
39+ case DivisionPolicyGroupVersionResource :
40+ model = & GroupVersionResource {}
41+ if ! s .SkipAutoMigration {
42+ if exist := s .db .Migrator ().HasTable (table ); ! exist {
43+ if err := s .db .AutoMigrate (& GroupVersionResource {}); err != nil {
44+ return nil , err
45+ }
46+
47+ err := s .db .Migrator ().RenameTable ("groupversionresources" , table )
48+ if err != nil {
49+ return nil , err
50+ }
51+ }
52+ }
53+ case "" , DivisionPolicyNone :
54+ model = & Resource {}
55+ }
5056
57+ return & ResourceStorage {
58+ db : s .db .Table (table ).Model (model ),
59+ codec : config .Codec ,
5160 storageGroupResource : config .StorageGroupResource ,
5261 storageVersion : config .StorageVersion ,
5362 memoryVersion : config .MemoryVersion ,
@@ -64,12 +73,21 @@ func (s *StorageFactory) NewCollectionResourceStorage(cr *internal.CollectionRes
6473}
6574
6675func (s * StorageFactory ) GetResourceVersions (ctx context.Context , cluster string ) (map [schema.GroupVersionResource ]map [string ]interface {}, error ) {
76+ tables , err := s .db .Migrator ().GetTables ()
77+ if err != nil {
78+ return nil , err
79+ }
80+
6781 var resources []Resource
68- result := s .db .WithContext (ctx ).Select ("group" , "version" , "resource" , "namespace" , "name" , "resource_version" ).
69- Where (map [string ]interface {}{"cluster" : cluster }).
70- Find (& resources )
71- if result .Error != nil {
72- return nil , InterpretDBError (cluster , result .Error )
82+ for _ , table := range tables {
83+ result := s .db .WithContext (ctx ).
84+ Table (table ).
85+ Select ("group" , "version" , "resource" , "namespace" , "name" , "resource_version" ).
86+ Where (map [string ]interface {}{"cluster" : cluster }).
87+ Find (& resources )
88+ if result .Error != nil {
89+ return nil , InterpretDBError (cluster , result .Error )
90+ }
7391 }
7492
7593 resourceversions := make (map [schema.GroupVersionResource ]map [string ]interface {})
@@ -91,18 +109,41 @@ func (s *StorageFactory) GetResourceVersions(ctx context.Context, cluster string
91109}
92110
93111func (s * StorageFactory ) CleanCluster (ctx context.Context , cluster string ) error {
94- result := s .db .WithContext (ctx ).Where (map [string ]interface {}{"cluster" : cluster }).Delete (& Resource {})
95- return InterpretDBError (cluster , result .Error )
112+ tables , err := s .db .Migrator ().GetTables ()
113+ if err != nil {
114+ return err
115+ }
116+
117+ for _ , table := range tables {
118+ result := s .db .WithContext (ctx ).Table (table ).Where (map [string ]interface {}{"cluster" : cluster }).Delete (& Resource {})
119+ if result .Error != nil {
120+ return InterpretDBError (cluster , result .Error )
121+ }
122+ }
123+
124+ return nil
96125}
97126
98127func (s * StorageFactory ) CleanClusterResource (ctx context.Context , cluster string , gvr schema.GroupVersionResource ) error {
99- result := s .db .WithContext (ctx ).Where (map [string ]interface {}{
100- "cluster" : cluster ,
101- "group" : gvr .Group ,
102- "version" : gvr .Version ,
103- "resource" : gvr .Resource ,
104- }).Delete (& Resource {})
105- return InterpretDBError (fmt .Sprintf ("%s/%s" , cluster , gvr ), result .Error )
128+ err := s .db .Transaction (func (db * gorm.DB ) error {
129+ result := s .db .WithContext (ctx ).
130+ Table (s .tableName (gvr )).
131+ Where (map [string ]interface {}{
132+ "cluster" : cluster ,
133+ "group" : gvr .Group ,
134+ "version" : gvr .Version ,
135+ "resource" : gvr .Resource ,
136+ }).
137+ Delete (& Resource {})
138+
139+ if result .Error != nil {
140+ return result .Error
141+ }
142+
143+ return nil
144+ })
145+
146+ return InterpretDBError (fmt .Sprintf ("%s/%s" , cluster , gvr ), err )
106147}
107148
108149func (s * StorageFactory ) GetCollectionResources (ctx context.Context ) ([]* internal.CollectionResource , error ) {
@@ -116,3 +157,22 @@ func (s *StorageFactory) GetCollectionResources(ctx context.Context) ([]*interna
116157func (s * StorageFactory ) PrepareCluster (cluster string ) error {
117158 return nil
118159}
160+
161+ // GenerateTableFor return table name using gvr string
162+ func GenerateTableFor (gvr schema.GroupVersionResource ) string {
163+ if gvr .Group == "" {
164+ return fmt .Sprintf ("%s_%s" , gvr .Version , gvr .Resource )
165+ }
166+
167+ group := strings .ReplaceAll (gvr .Group , "." , "_" )
168+ return fmt .Sprintf ("%s_%s_%s" , group , gvr .Version , gvr .Resource )
169+ }
170+
171+ func (s * StorageFactory ) tableName (gvr schema.GroupVersionResource ) string {
172+ table := "resources"
173+ if s .DivisionPolicy == DivisionPolicyGroupVersionResource {
174+ table = GenerateTableFor (gvr )
175+ }
176+
177+ return table
178+ }
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