now supports some basic configuration

Makefile

@@ -1,11 +1,19 @@
 VERSION := $(shell git rev-parse --short HEAD)
 BUILDTIME := $(shell date -u '+%Y-%m-%dT%H:%M:%SZ')
+BUILDUSER := $(shell whoami)
+BUILDHOST := $(shell hostname -s)
+BUILDARCH := $(shell uname -m)
 
 GOLDFLAGS += -X main.Version=$(VERSION)
 GOLDFLAGS += -X main.Buildtime=$(BUILDTIME)
+GOLDFLAGS += -X main.Builduser=$(BUILDUSER)@$(BUILDHOST)
+GOLDFLAGS += -X main.Buildarch=$(BUILDARCH)
 GOFLAGS = -ldflags "$(GOLDFLAGS)"
 
-default: run
+default: rundebug
+
+rundebug: build
+	DEBUG=1 ./ircd
 
 run: build
 	./ircd

main.go

@@ -1,5 +1,6 @@
 package main
 
+import "os"
 import "fmt"
 import "github.com/sirupsen/logrus"
 import "github.com/sneak/sircd/sircd"
@@ -7,22 +8,22 @@ import "github.com/spf13/viper"
 
 var Version string
 var Buildtime string
+var Builduser string
+var Buildarch string
 
 func main() {
 
-	// set up logging
-	log := logrus.New()
-	log.SetLevel(logrus.DebugLevel)
-	log.SetReportCaller(true)
-	log.Println("sircd starting up")
 
 	c := viper.New()
 	// default config variables
 	c.SetDefault("myhostname", "irc.example.com")
 	c.SetDefault("network", "ExampleNet")
 	c.SetDefault("admin", "webmaster@example.com")
+	c.SetDefault("loglevel", "info")
 	c.SetDefault("version", Version)
 	c.SetDefault("buildtime", Buildtime)
+	c.SetDefault("builduser", Builduser)
+	c.SetDefault("buildarch", Buildarch)
 
 	// read config file
 	c.SetConfigName("sircd")               // name of config file (without extension)
@@ -34,6 +35,24 @@ func main() {
 		panic(fmt.Errorf("Fatal error config file: %s \n", err))
 	}
 
+    // this is the only config settable by env var by design
+    // do everything else in the config file
+    if os.Getenv("DEBUG") != "" {
+        c.Set("loglevel", "debug")
+    }
+
+	// set up logging
+	log := logrus.New()
+    log.SetReportCaller(false)
+    switch c.GetString("loglevel") {
+    case "error":
+        log.SetLevel(logrus.ErrorLevel)
+    case "info":
+        log.SetLevel(logrus.InfoLevel)
+    default:
+        log.SetLevel(logrus.DebugLevel)
+        log.SetReportCaller(true)
+    }
 	// instantiate server
 	s := sircd.New(c)
 	// give it our logger

sircd.yaml

@@ -1,3 +1,4 @@
 myhostname: irc.example.com
 network: ExampleNet
 admin: webmaster@example.com
+loglevel: info

sircd/server.go

@@ -43,7 +43,7 @@ func (s *ircd) SetServerName(name string) {
 }
 
 func (s *ircd) Start() {
-	s.log.Infof("sircd version=%s buildtime=%s starting.", s.c.GetString("version"), s.c.GetString("buildtime"))
+	s.log.Infof("sircd version %s (%s) built %s by %s starting.", s.c.GetString("version"), s.c.GetString("buildarch"), s.c.GetString("buildtime"), s.c.GetString("builduser"))
 	s.newClients = make(chan *ircClient, 128)
 	s.deadClients = make(chan *ircClient, 128)
 	s.messageQueue = make(chan *ircMessage, 128)