refactor: use log:set for logs and add global support

plugins/logs/set.go

@@ -0,0 +1,58 @@
+package logs
+
+import (
+	"errors"
+	"fmt"
+	"strconv"
+)
+
+func validateSetValue(appName string, key string, value string) error {
+	if key == "max-size" {
+		return validateMaxSize(appName, value)
+	}
+
+	if key == "vector-sink" {
+		return validateVectorSink(appName, value)
+	}
+
+	return nil
+}
+
+func validateMaxSize(appName string, value string) error {
+	if value == "" {
+		return nil
+	}
+
+	if value == "unlimited" {
+		return nil
+	}
+
+	last := value[len(value)-1:]
+	if last != "k" && last != "m" && last != "g" {
+		return errors.New("Invalid max-size unit measure, value must end in any of [k, m, g]")
+	}
+
+	if len(value) < 2 {
+		return errors.New("Invalid max-size value, must be a number followed by a unit of measure [k, m, d]")
+	}
+
+	number := value[:len(value)-1]
+	if _, err := strconv.Atoi(number); err != nil {
+		return fmt.Errorf("Invalid max-size value, unable to convert number to int: %s", err.Error())
+	}
+
+	return nil
+}
+
+func validateVectorSink(appName string, value string) error {
+	if value == "" {
+		return nil
+	}
+
+	_, err := valueToConfig(appName, value)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}