/
registry.go
48 lines (42 loc) · 1.08 KB
/
registry.go
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package logger
import (
"fmt"
"sync"
"go.uber.org/zap"
)
// NewRegistry creates a logger for each provided context.
func NewRegistry(ctxs ...string) (*Registry, error) {
registry := &Registry{
mu: &sync.Mutex{},
loggers: make(map[string]*zap.Logger, len(ctxs)),
}
for _, ctx := range ctxs {
logger, err := NewForContext(ctx)
if err != nil {
return nil, fmt.Errorf("failed to create a logger for ctx %s: %w", ctx, err)
}
registry.loggers[ctx] = logger
}
return registry, nil
}
// Registry contains a list of loggers mapped to their context.
type Registry struct {
mu *sync.Mutex
loggers map[string]*zap.Logger
}
// Get retrieves a logger for the given context. If no logger set for the context, it panics.
func (r *Registry) Get(ctx string) *zap.Logger {
r.mu.Lock()
defer r.mu.Unlock()
logger, ex := r.loggers[ctx]
if !ex {
panic(fmt.Sprintf("no logger set for context %s", ctx))
}
return logger
}
// Set sets the logger for the given context.
func (r *Registry) Set(ctx string, logger *zap.Logger) {
r.mu.Lock()
defer r.mu.Unlock()
r.loggers[ctx] = logger
}