First pass

Signed-off-by: Itxaka <itxaka@kairos.io>

logger/options.go

@@ -0,0 +1,34 @@
+package logger
+
+import (
+	"github.com/rs/zerolog"
+)
+
+type LogOption func(a *KairosLog)
+
+func WithLevel(level Level) func(k *KairosLog) {
+	return func(k *KairosLog) {
+		k.SetLevel(level)
+	}
+}
+
+// WithDebugFunction allows to pass a function that will set the logger to debug if the function returns true
+// This is done so logger consumers can implement easily the check for debug, be it a file, a flag in cmd or an
+// environment variable check
+func WithDebugFunction(f func() bool) func(k *KairosLog) {
+	return func(k *KairosLog) {
+		if f() {
+			k.SetLevel(DebugLevel)
+		}
+	}
+}
+
+// WithStringContext overrides the default context of the existing logger to provide extra info in the log
+func WithStringContext(key, value string) func(k *KairosLog) {
+	return func(k *KairosLog) {
+		k.Logger.UpdateContext(func(c zerolog.Context) zerolog.Context {
+			c.Str(key, value)
+			return c
+		})
+	}
+}