Change default log path on Windows

agent/log.go

@@ -7,11 +7,10 @@ import (
 
 	log "github.com/cihub/seelog"
 
+	"github.com/DataDog/datadog-trace-agent/config"
 	"github.com/DataDog/datadog-trace-agent/watchdog"
 )
 
-const defaultLogFilePath = "/var/log/datadog/trace-agent.log"
-
 const agentLoggerConfigFmt = `
 <seelog minlevel="%[1]s">
   <outputs formatid="agent">
@@ -198,15 +197,15 @@ func SetupLogger(minLogLvl log.LogLevel, logFilePath string, logsDropInterval ti
 	log.RegisterReceiver("throttled", &ThrottledReceiver{})
 
 	// Build our config string
-	config := fmt.Sprintf(
+	logConfig := fmt.Sprintf(
 		agentLoggerConfigFmt,
 		minLogLvl,
 		logsDropInterval,
 		logsDropMaxPerInterval,
 		logFilePath,
 	)
 
-	logger, err := log.LoggerFromConfigAsString(config)
+	logger, err := log.LoggerFromConfigAsString(logConfig)
 	if err != nil {
 		return err
 	}
@@ -216,9 +215,9 @@ func SetupLogger(minLogLvl log.LogLevel, logFilePath string, logsDropInterval ti
 // SetupDefaultLogger sets up a default logger for the agent, showing
 // all log messages and with no throttling.
 func SetupDefaultLogger() error {
-	config := fmt.Sprintf(rawLoggerConfigFmt, defaultLogFilePath)
+	logConfig := fmt.Sprintf(rawLoggerConfigFmt, config.DefaultLogFilePath)
 
-	logger, err := log.LoggerFromConfigAsString(config)
+	logger, err := log.LoggerFromConfigAsString(logConfig)
 	if err != nil {
 		return err
 	}

config/agent.go

@@ -184,7 +184,7 @@ func NewDefaultAgentConfig() *AgentConfig {
 		StatsdPort: 8125,
 
 		LogLevel:             "INFO",
-		LogFilePath:          "/var/log/datadog/trace-agent.log",
+		LogFilePath:          DefaultLogFilePath,
 		LogThrottlingEnabled: true,
 
 		MaxMemory:        5e8, // 500 Mb, should rarely go above 50 Mb

config/agent_nix.go

@@ -0,0 +1,6 @@
+// +build !windows
+
+package config
+
+// DefaultLogFilePath is where the agent will write logs if not overriden in the conf
+const DefaultLogFilePath = "/var/log/datadog/trace-agent.log"

config/agent_windows.go

@@ -0,0 +1,4 @@
+package config
+
+// DefaultLogFilePath is where the agent will write logs if not overriden in the conf
+const DefaultLogFilePath = "c:\\programdata\\datadog\\logs\\trace-agent.log"