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feat(db): add repository package for persistence
This is not full implementation yet, just the start Signed-off-by: Boris Glimcher <Boris.Glimcher@emc.com>
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// SPDX-License-Identifier: Apache-2.0 | ||
// Copyright (c) 2022-2023 Dell Inc, or its subsidiaries. | ||
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// Package repository is the database abstraction implementing repository design pattern | ||
package repository | ||
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type memoryDatabase struct { | ||
data map[string]string | ||
lock sync.RWMutex | ||
} | ||
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func NewMemoryDatabase() *memoryDatabase { | ||
return &memoryDatabase{ | ||
data: make(map[string]string), | ||
lock: &sync.RWMutex{}, | ||
} | ||
} | ||
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func (repo *memoryDatabase) Set(key string, value string) (string, error) { | ||
repo.lock.RLock() | ||
defer repo.lock.RUnlock() | ||
repo.data[key] = value | ||
} | ||
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func (repo *memoryDatabase) Get(key string) (string, error) { | ||
repo.lock.RLock() | ||
defer repo.lock.RUnlock() | ||
value, err := repo.data[key] | ||
if err != nil { | ||
return nil, status.Errorf(codes.NotFound, "unable to find key %s", vxlanName) | ||
} | ||
return value, nil | ||
} | ||
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func (repo *memoryDatabase) Delete(key string) (string, error) { | ||
repo.lock.RLock() | ||
defer repo.lock.RUnlock() | ||
delete(repo.data, key) | ||
} |
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// SPDX-License-Identifier: Apache-2.0 | ||
// Copyright (c) 2022-2023 Dell Inc, or its subsidiaries. | ||
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// Package repository is the database abstraction implementing repository design pattern | ||
package repository | ||
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import ( | ||
"encoding/binary" | ||
"net" | ||
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pb "github.com/opiproject/opi-api/network/evpn-gw/v1alpha1/gen/go" | ||
) | ||
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type Vrf struct { | ||
Vni int | ||
LoopbackIp net.IPNet | ||
VtepIp net.IPNet | ||
} | ||
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func NewVrf(in pb.Vrf) *Vrf { | ||
myip := make(net.IP, 4) | ||
binary.BigEndian.PutUint32(myip, in.Vrf.Spec.LoopbackIpPrefix.Addr.GetV4Addr()) | ||
lip := net.IPNet{IP: myip, Mask: net.CIDRMask(int(in.Vrf.Spec.LoopbackIpPrefix.Len), 32)} | ||
return &Vrf{Vni: in.Spec.Vni, LoopbackIp: lip} | ||
} | ||
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func (s *Vrf) ToPb() (*pb.Vrf, error) { | ||
return &pb.Vrf{Spec: nil, Status: nil} | ||
} | ||
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type Svi struct { | ||
VrfRefKey string | ||
LogicalBridgeRefKey string | ||
MacAddress net.HardwareAddr | ||
GwIp net.IPNet | ||
} | ||
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func NewSvi(in pb.Svi) *Svi { | ||
mac := net.HardwareAddr(in.Spec.MacAddress[:]) | ||
myip := make(net.IP, 4) | ||
binary.BigEndian.PutUint32(myip, in.Svi.Spec.GwIpPrefix.Addr.GetV4Addr()) | ||
gip := net.IPNet{IP: myip, Mask: net.CIDRMask(int(in.Svi.Spec.GwIpPrefix.Len), 32)} | ||
return &Svi{VrfRefKey: in.Spec.Vrf, LogicalBridgeRefKey: in.Spec.LogicalBridge, MacAddress: mac, GwIp: gip} | ||
} | ||
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func (s *Svi) ToPb() (*pb.Svi, error) { | ||
return &pb.Svi{Spec: nil, Status: nil} | ||
} |
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// SPDX-License-Identifier: Apache-2.0 | ||
// Copyright (c) 2022-2023 Dell Inc, or its subsidiaries. | ||
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// Package repository is the database abstraction implementing repository design pattern | ||
package repository | ||
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import "github.com/go-redis/redis" | ||
Check failure on line 7 in pkg/repository/redis.go GitHub Actions / call / build (1.18)
Check failure on line 7 in pkg/repository/redis.go GitHub Actions / call / build (1.19)
Check failure on line 7 in pkg/repository/redis.go GitHub Actions / call / build (1.20)
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type redisDatabase struct { | ||
client *redis.Client | ||
} | ||
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func NewRedisDatabase() (Database, error) { | ||
client := redis.NewClient(&redis.Options{ | ||
Addr: "redis:6379", | ||
Password: "", // no password set | ||
DB: 0, // use default DB | ||
}) | ||
_, err := client.Ping().Result() // makes sure database is connected | ||
if err != nil { | ||
return nil, &CreateDatabaseError{} | ||
} | ||
return &redisDatabase{client: client}, nil | ||
} | ||
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func (r *redisDatabase) Set(key string, value string) (string, error) { | ||
_, err := r.client.Set(key, value, 0).Result() | ||
if err != nil { | ||
// TODO: use our own errors | ||
return err | ||
} | ||
return key, nil | ||
} | ||
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func (r *redisDatabase) Get(key string) (string, error) { | ||
value, err := r.client.Get(key).Result() | ||
if err != nil { | ||
// TODO: use our own errors | ||
return err | ||
} | ||
return value, nil | ||
} | ||
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func (r *redisDatabase) Delete(key string) (string, error) { | ||
_, err := r.client.Del(key).Result() | ||
if err != nil { | ||
// TODO: use our own errors | ||
return err | ||
} | ||
return key, nil | ||
} |
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// SPDX-License-Identifier: Apache-2.0 | ||
// Copyright (c) 2022-2023 Dell Inc, or its subsidiaries. | ||
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// Package repository is the database abstraction implementing repository design pattern | ||
package repository | ||
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// Database abstraction | ||
type Database interface { | ||
Set(key string, value string) (string, error) | ||
Get(key string) (string, error) | ||
Delete(key string) (string, error) | ||
} | ||
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// Factory pattern to create new Database | ||
func Factory(databaseImplementation string) (Database, error) { | ||
switch databaseImplementation { | ||
case "redis": | ||
return NewRedisDatabase() | ||
case "memory": | ||
return NewMemoryDatabase() | ||
default: | ||
return nil, &NotImplementedDatabaseError{databaseImplementation} | ||
} | ||
} |