105 lines
2 KiB
Go
105 lines
2 KiB
Go
package db
|
|
|
|
import (
|
|
"git.giftfish.de/ston1th/haproxy-lb/pkg/cluster"
|
|
)
|
|
|
|
type DB struct {
|
|
kv cluster.KV
|
|
}
|
|
|
|
func New(kv cluster.KV) *DB {
|
|
return &DB{kv}
|
|
}
|
|
|
|
const (
|
|
ipPrefix = "/ip/"
|
|
delPrefix = "/del/"
|
|
namePrefix = "/name/"
|
|
lbPrefix = "/lb/"
|
|
)
|
|
|
|
func (db *DB) GetIPs() (ips []string, err error) {
|
|
m, err := db.kv.GetPrefix(namePrefix)
|
|
if err != nil {
|
|
return
|
|
}
|
|
for _, v := range m {
|
|
ips = append(ips, string(v))
|
|
}
|
|
return
|
|
}
|
|
func (db *DB) GetDeletedIPs() (ips []string, err error) {
|
|
m, err := db.kv.GetPrefix(delPrefix)
|
|
if err != nil {
|
|
return
|
|
}
|
|
for k := range m {
|
|
ips = append(ips, k)
|
|
db.kv.Delete(delPrefix + k)
|
|
}
|
|
return
|
|
}
|
|
func (db *DB) GetName(ip string) (string, error) {
|
|
v, err := db.kv.Get(ipPrefix + ip)
|
|
return string(v), err
|
|
}
|
|
func (db *DB) IPExists(ip string) bool {
|
|
_, err := db.GetName(ip)
|
|
return err == nil
|
|
}
|
|
func (db *DB) SetIPName(ip, name string) error {
|
|
err := db.kv.Set(ipPrefix+ip, []byte(name))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return db.kv.Set(namePrefix+name, []byte(ip))
|
|
}
|
|
func (db *DB) DeleteIPName(ip, name string) error {
|
|
err := db.kv.Delete(ipPrefix + ip)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = db.kv.Delete(namePrefix + name)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return db.kv.Set(delPrefix+ip, nil)
|
|
}
|
|
|
|
func (db *DB) GetIP(name string) (string, error) {
|
|
v, err := db.kv.Get(namePrefix + name)
|
|
return string(v), err
|
|
}
|
|
|
|
func (db *DB) GetLBs(cl string) (lbs map[string][]byte, err error) {
|
|
lbs = make(map[string][]byte)
|
|
if cl != "" {
|
|
cl = cl + "/"
|
|
}
|
|
m, err := db.kv.GetPrefix(lbPrefix + cl)
|
|
if err == cluster.ErrPrefixNotFound {
|
|
err = nil
|
|
return
|
|
}
|
|
if err != nil {
|
|
return
|
|
}
|
|
for k, v := range m {
|
|
lbs[k] = v
|
|
}
|
|
return
|
|
}
|
|
func (db *DB) GetLB(name string) ([]byte, error) {
|
|
return db.kv.Get(lbPrefix + name)
|
|
}
|
|
func (db *DB) LBExists(name string) bool {
|
|
_, err := db.GetLB(name)
|
|
return err == nil
|
|
}
|
|
func (db *DB) SetLB(name string, lb []byte) error {
|
|
return db.kv.Set(lbPrefix+name, lb)
|
|
}
|
|
func (db *DB) DeleteLB(name string) error {
|
|
return db.kv.Delete(lbPrefix + name)
|
|
}
|