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package providermain
import (
"fmt"
"log/slog"
"os"
"path/filepath"
"sync"
"github.com/johnandersen777/socialweb-computer-kcp/internal/clusterprovider"
"github.com/johnandersen777/socialweb-computer-kcp/internal/instance"
)
type tokenStore struct {
stateDir string
log *slog.Logger
mu sync.Mutex
by map[string]instance.Token
}
func newTokenStore(stateDir string, log *slog.Logger) *tokenStore {
return &tokenStore{stateDir: stateDir, log: log, by: map[string]instance.Token{}}
}
func (s *tokenStore) token(cluster string) instance.Token {
s.mu.Lock()
defer s.mu.Unlock()
if t, ok := s.by[cluster]; ok {
return t
}
t, err := instance.New(nil)
if err != nil {
s.log.Error("cluster provider: minting the instance token failed", "cluster", cluster, "error", err.Error())
return ""
}
path, err := s.path(cluster)
if err != nil {
s.log.Error("cluster provider: no token path", "cluster", cluster, "error", err.Error())
return ""
}
if err := instance.WriteFile(path, t); err != nil {
s.log.Error("cluster provider: writing the instance token failed",
"cluster", cluster, "path", path, "error", err.Error())
return ""
}
s.by[cluster] = t
s.log.Info("cluster provider: instance token minted and written", "cluster", cluster, "path", path)
return t
}
func (s *tokenStore) forget(cluster string) {
s.mu.Lock()
defer s.mu.Unlock()
delete(s.by, cluster)
}
func (s *tokenStore) path(cluster string) (string, error) {
dir, err := clusterprovider.ClusterDataDir(s.stateDir, cluster)
if err != nil {
return "", err
}
if err := os.MkdirAll(dir, 0o700); err != nil {
return "", fmt.Errorf("creating %s: %w", dir, err)
}
return clusterprovider.TokenPath(filepath.Clean(dir)), nil
}
