refactor to simplify main

jiracli/log.go

@@ -0,0 +1,43 @@
+package jiracli
+
+import (
+	"os"
+	"strconv"
+
+	"github.com/coryb/oreo"
+	logging "gopkg.in/op/go-logging.v1"
+)
+
+var (
+	log = logging.MustGetLogger("jira")
+)
+
+func IncreaseLogLevel(verbosity int) {
+	logging.SetLevel(logging.GetLevel("")+logging.Level(verbosity), "")
+	if logging.GetLevel("") > logging.DEBUG {
+		oreo.TraceRequestBody = true
+		oreo.TraceResponseBody = true
+	}
+}
+
+func InitLogging() {
+	logBackend := logging.NewLogBackend(os.Stderr, "", 0)
+	format := os.Getenv("JIRA_LOG_FORMAT")
+	if format == "" {
+		format = "%{color}%{level:-5s}%{color:reset} %{message}"
+	}
+	logging.SetBackend(
+		logging.NewBackendFormatter(
+			logBackend,
+			logging.MustStringFormatter(format),
+		),
+	)
+	if os.Getenv("JIRA_DEBUG") == "" {
+		logging.SetLevel(logging.NOTICE, "")
+	} else {
+		logging.SetLevel(logging.DEBUG, "")
+		if verbosity, err := strconv.Atoi(os.Getenv("JIRA_DEBUG")); err == nil {
+			IncreaseLogLevel(verbosity)
+		}
+	}
+}