Add logging

cmd/kraken/commands/root.go

@@ -0,0 +1,22 @@
+package commands
+
+import "github.com/spf13/cobra"
+
+func CreateKrakenCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "krakenserver",
+		Short: "A brief description of your application",
+		Long: `A longer description that spans multiple lines and likely contains
+examples and usage of using your application. For example:
+
+Cobra is a CLI library for Go that empowers applications.
+This application is a tool to generate the needed files
+to quickly create a Cobra application.`,
+		// Uncomment the following line if your bare application
+		// has an action associated with it:
+		// Run: func(cmd *cobra.Command, args []string) { },
+	}
+	cmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+
+	return cmd
+}

cmd/kraken/kraken.go

@@ -0,0 +1,18 @@
+package main
+
+import (
+	"os"
+
+	"git.front.kjuulh.io/kjuulh/kraken/cmd/server/commands"
+)
+
+func main() {
+	Execute()
+}
+
+func Execute() {
+	err := commands.CreateServerCmd().Execute()
+	if err != nil {
+		os.Exit(1)
+	}
+}

cmd/server/commands/root.go

@@ -0,0 +1,16 @@
+package commands
+
+import (
+	"github.com/spf13/cobra"
+	"go.uber.org/zap"
+)
+
+func CreateServerCmd(logger *zap.Logger) *cobra.Command {
+	cmd := &cobra.Command{
+		Use: "krakenserver",
+	}
+
+	cmd.AddCommand(NewStartServerCommand(logger))
+
+	return cmd
+}

cmd/server/commands/start.go

@@ -0,0 +1,21 @@
+package commands
+
+import (
+	"errors"
+
+	"github.com/spf13/cobra"
+	"go.uber.org/zap"
+)
+
+func NewStartServerCommand(logger *zap.Logger) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "start",
+		Short: "Start the kraken server",
+		RunE: func(cmd *cobra.Command, args []string) error {
+
+			return errors.New("some error")
+		},
+	}
+
+	return cmd
+}

cmd/server/server.go

@@ -0,0 +1,27 @@
+package main
+
+import (
+	"os"
+
+	"git.front.kjuulh.io/kjuulh/kraken/cmd/server/commands"
+	"git.front.kjuulh.io/kjuulh/kraken/internal/logger"
+	"go.uber.org/zap"
+)
+
+func main() {
+	logger, err := logger.New()
+	if err != nil {
+		panic(err)
+	}
+	_ = logger.Sync()
+
+	Execute(logger)
+}
+
+func Execute(logger *zap.Logger) {
+	err := commands.CreateServerCmd(logger).Execute()
+	if err != nil {
+		logger.Error("execution failed", zap.Error(err))
+		os.Exit(1)
+	}
+}

go.mod

@@ -1,3 +1,12 @@
 module git.front.kjuulh.io/kjuulh/kraken
 
 go 1.19
+
+require (
+	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/spf13/cobra v1.5.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	go.uber.org/atomic v1.10.0 // indirect
+	go.uber.org/multierr v1.8.0 // indirect
+	go.uber.org/zap v1.23.0 // indirect
+)

go.sum

@@ -0,0 +1,25 @@
+github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
+github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
+github.com/spf13/cobra v1.5.0 h1:X+jTBEBqF0bHN+9cSMgmfuvv2VHJ9ezmFNf9Y/XstYU=
+github.com/spf13/cobra v1.5.0/go.mod h1:dWXEIy2H428czQCjInthrTRUg7yKbok+2Qi/yBIJoUM=
+github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
+github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
+go.uber.org/atomic v1.10.0 h1:9qC72Qh0+3MqyJbAn8YU5xVq1frD8bn3JtD2oXtafVQ=
+go.uber.org/atomic v1.10.0/go.mod h1:LUxbIzbOniOlMKjJjyPfpl4v+PKK2cNJn91OQbhoJI0=
+go.uber.org/multierr v1.8.0 h1:dg6GjLku4EH+249NNmoIciG9N/jURbDG+pFlTkhzIC8=
+go.uber.org/multierr v1.8.0/go.mod h1:7EAYxJLBy9rStEaz58O2t4Uvip6FSURkq8/ppBp95ak=
+go.uber.org/zap v1.23.0 h1:OjGQ5KQDEUawVHxNwQgPpiypGHOxo2mNZsOqTak4fFY=
+go.uber.org/zap v1.23.0/go.mod h1:D+nX8jyLsMHMYrln8A0rJjFt/T/9/bGgIhAqxv5URuY=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

internal/logger/zap.go

@@ -0,0 +1,32 @@
+package logger
+
+import (
+	"os"
+
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
+)
+
+func New() (*zap.Logger, error) {
+	highPriority := zap.LevelEnablerFunc(func(lvl zapcore.Level) bool {
+		return lvl >= zapcore.ErrorLevel
+	})
+	lowPriority := zap.LevelEnablerFunc(func(lvl zapcore.Level) bool {
+		return lvl < zapcore.ErrorLevel
+	})
+
+	config := zap.NewDevelopmentEncoderConfig()
+	config.EncodeTime = nil
+	config.EncodeLevel = zapcore.CapitalColorLevelEncoder
+	consoleEncoder := zapcore.NewConsoleEncoder(config)
+	consoleDebugging := zapcore.Lock(os.Stdout)
+	consoleErrors := zapcore.Lock(os.Stderr)
+
+	core := zapcore.NewTee(
+		zapcore.NewCore(consoleEncoder, consoleErrors, highPriority),
+		zapcore.NewCore(consoleEncoder, consoleDebugging, lowPriority),
+	)
+
+	logger := zap.New(core)
+	return logger, nil
+}