Files
gluetun/internal/storage/sync.go
Quentin McGaw bd0868d764 chore(all): provider to servers map in allServers
- Simplify formatting CLI
- Simplify updater code
- Simplify filter choices for config validation
- Simplify all servers deep copying
- Custom JSON marshaling methods for `AllServers`
- Simplify provider constructor switch
- Simplify storage merging
- Simplify storage reading and extraction
- Simplify updating code
2022-05-27 16:17:53 +00:00

49 lines
1.2 KiB
Go

package storage
import (
"fmt"
"reflect"
"github.com/qdm12/gluetun/internal/models"
)
func countServers(allServers models.AllServers) (count int) {
for _, servers := range allServers.ProviderToServers {
count += len(servers.Servers)
}
return count
}
func (s *Storage) SyncServers() (err error) {
serversOnFile, err := s.readFromFile(s.filepath, s.hardcodedServers)
if err != nil {
return fmt.Errorf("cannot read servers from file: %w", err)
}
hardcodedCount := countServers(s.hardcodedServers)
countOnFile := countServers(serversOnFile)
if countOnFile == 0 {
s.logger.Info(fmt.Sprintf(
"creating %s with %d hardcoded servers",
s.filepath, hardcodedCount))
s.mergedServers = s.hardcodedServers
} else {
s.logger.Info(fmt.Sprintf(
"merging by most recent %d hardcoded servers and %d servers read from %s",
hardcodedCount, countOnFile, s.filepath))
s.mergedServers = s.mergeServers(s.hardcodedServers, serversOnFile)
}
// Eventually write file
if s.filepath == "" || reflect.DeepEqual(serversOnFile, s.mergedServers) {
return nil
}
if err := flushToFile(s.filepath, &s.mergedServers); err != nil {
return fmt.Errorf("cannot write servers to file: %w", err)
}
return nil
}