From f7cdbb8722ffcb1375395bc7679ba01877f9823b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Torjus=20H=C3=A5kestad?= Date: Sat, 15 Jan 2022 22:32:24 +0100 Subject: [PATCH] Add logger --- cmd/server/server.go | 49 ++++++++++++++++++++++++++++++++++--- go.mod | 3 +++ go.sum | 57 ++++++++++++++++++++++++++++++++++++++++++++ http.go | 9 +++++-- 4 files changed, 113 insertions(+), 5 deletions(-) diff --git a/cmd/server/server.go b/cmd/server/server.go index e60fb49..976ba98 100644 --- a/cmd/server/server.go +++ b/cmd/server/server.go @@ -6,10 +6,13 @@ import ( "net/http" "os" "os/signal" + "strings" "time" "git.t-juice.club/torjus/gpaste" "github.com/urfave/cli/v2" + "go.uber.org/zap" + "go.uber.org/zap/zapcore" ) var ( @@ -51,13 +54,15 @@ func ActionServe(c *cli.Context) error { if err != nil { return cli.Exit(err, 1) } + // Setup loggers + rootLogger := getRootLogger(cfg.LogLevel) + serverLogger := rootLogger.Named("SERV") + // Setup contexts for clean shutdown rootCtx, rootCancel := signal.NotifyContext(context.Background(), os.Interrupt) defer rootCancel() - httpCtx, httpCancel := context.WithCancel(rootCtx) defer httpCancel() - httpShutdownCtx, httpShutdownCancel := context.WithCancel(context.Background()) defer httpShutdownCancel() @@ -72,12 +77,50 @@ func ActionServe(c *cli.Context) error { defer cancel() srv.Shutdown(timeoutCtx) }() + serverLogger.Infow("Starting HTTP server.", "addr", cfg.ListenAddr) if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed { - fmt.Printf("Error: %s\n", err) + serverLogger.Errorw("Error during shutdown.", "error", err) } + serverLogger.Infow("HTTP server shutdown complete.", "addr", cfg.ListenAddr) httpShutdownCancel() }() <-httpShutdownCtx.Done() return nil } + +func getRootLogger(level string) *zap.SugaredLogger { + logEncoderConfig := zap.NewProductionEncoderConfig() + logEncoderConfig.EncodeCaller = zapcore.ShortCallerEncoder + logEncoderConfig.EncodeLevel = zapcore.CapitalColorLevelEncoder + logEncoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder + logEncoderConfig.EncodeDuration = zapcore.StringDurationEncoder + + rootLoggerConfig := &zap.Config{ + Level: zap.NewAtomicLevelAt(zap.DebugLevel), + OutputPaths: []string{"stdout"}, + ErrorOutputPaths: []string{"stdout"}, + Encoding: "console", + EncoderConfig: logEncoderConfig, + DisableCaller: true, + } + + switch strings.ToUpper(level) { + case "DEBUG": + rootLoggerConfig.DisableCaller = false + rootLoggerConfig.Level = zap.NewAtomicLevelAt(zap.DebugLevel) + case "INFO": + rootLoggerConfig.Level = zap.NewAtomicLevelAt(zap.InfoLevel) + case "WARN", "WARNING": + rootLoggerConfig.Level = zap.NewAtomicLevelAt(zap.WarnLevel) + case "ERR", "ERROR": + rootLoggerConfig.Level = zap.NewAtomicLevelAt(zap.ErrorLevel) + } + + rootLogger, err := rootLoggerConfig.Build() + if err != nil { + panic(err) + } + + return rootLogger.Sugar() +} diff --git a/go.mod b/go.mod index 0d38a58..8a91bea 100644 --- a/go.mod +++ b/go.mod @@ -9,9 +9,12 @@ require github.com/go-chi/chi/v5 v5.0.7 require ( github.com/pelletier/go-toml v1.9.4 github.com/urfave/cli/v2 v2.3.0 + go.uber.org/zap v1.20.0 ) require ( github.com/cpuguy83/go-md2man/v2 v2.0.1 // indirect github.com/russross/blackfriday/v2 v2.1.0 // indirect + go.uber.org/atomic v1.9.0 // indirect + go.uber.org/multierr v1.7.0 // indirect ) diff --git a/go.sum b/go.sum index 981cdc7..cc1d5d4 100644 --- a/go.sum +++ b/go.sum @@ -1,19 +1,76 @@ github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= +github.com/benbjohnson/clock v1.1.0 h1:Q92kusRqC1XV2MjkWETPvjJVqKetz1OzxZB7mHJLju8= +github.com/benbjohnson/clock v1.1.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA= github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU= github.com/cpuguy83/go-md2man/v2 v2.0.1 h1:r/myEWzV9lfsM1tFLgDyu0atFtJ1fXn261LKYj/3DxU= github.com/cpuguy83/go-md2man/v2 v2.0.1/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 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/go-chi/chi/v5 v5.0.7 h1:rDTPXLDHGATaeHvVlLcR4Qe0zftYethFucbjVQ1PxU8= github.com/go-chi/chi/v5 v5.0.7/go.mod h1:DslCQbL2OYiznFReuXYUmQ2hGd1aDpCnlMNITLSKoi8= github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I= github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= +github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo= +github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= +github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= github.com/pelletier/go-toml v1.9.4 h1:tjENF6MfZAg8e4ZmZTeWaWiT2vXtsoO6+iuOjFhECwM= github.com/pelletier/go-toml v1.9.4/go.mod h1:u1nR/EPcESfeI/szUZKdtJ0xRNbUoANCkoOuaOx1Y+c= +github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I= +github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= +github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM= github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk= github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM= github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc= +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 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY= +github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= github.com/urfave/cli/v2 v2.3.0 h1:qph92Y649prgesehzOrQjdWyxFOp/QVM+6imKHad91M= github.com/urfave/cli/v2 v2.3.0/go.mod h1:LJmUH05zAU44vOAcrfzZQKsZbVcdbOG8rtL3/XcUArI= +github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k= +go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc= +go.uber.org/atomic v1.9.0 h1:ECmE8Bn/WFTYwEW/bpKD3M8VtR/zQVbavAoalC1PYyE= +go.uber.org/atomic v1.9.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc= +go.uber.org/goleak v1.1.11 h1:wy28qYRKZgnJTxGxvye5/wgWr1EKjmUDGYox5mGlRlI= +go.uber.org/goleak v1.1.11/go.mod h1:cwTWslyiVhfpKIDGSZEM2HlOvcqm+tG4zioyIeLoqMQ= +go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU= +go.uber.org/multierr v1.7.0 h1:zaiO/rmgFjbmCXdSYJWQcdvOCsthmdaHfr3Gm2Kx4Ec= +go.uber.org/multierr v1.7.0/go.mod h1:7EAYxJLBy9rStEaz58O2t4Uvip6FSURkq8/ppBp95ak= +go.uber.org/zap v1.20.0 h1:N4oPlghZwYG55MlU6LXk/Zp00FVNE9X9wrYO8CEs4lc= +go.uber.org/zap v1.20.0/go.mod h1:wjWOCqI0f2ZZrJF/UufIOkiC8ii6tm1iqIsLo76RfJw= +golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= +golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= +golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc= +golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= +golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= +golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= +golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= +golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod 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h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10= +gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo= +gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= diff --git a/http.go b/http.go index c9f1ee1..dd37ea8 100644 --- a/http.go +++ b/http.go @@ -7,17 +7,20 @@ import ( "github.com/go-chi/chi/v5" "github.com/google/uuid" + "go.uber.org/zap" ) type HTTPServer struct { store FileStore config *ServerConfig + Logger *zap.SugaredLogger http.Server } func NewHTTPServer(cfg *ServerConfig) *HTTPServer { srv := &HTTPServer{ config: cfg, + Logger: zap.NewNop().Sugar(), } srv.store = NewMemoryFileStore() @@ -43,8 +46,10 @@ func (s *HTTPServer) HandlerAPIFilePost(w http.ResponseWriter, r *http.Request) err := s.store.Store(f) if err != nil { w.WriteHeader(http.StatusInternalServerError) + s.Logger.Warnw("Error storing file.", "erorr", err, "id", f.ID, "remote_addr", r.RemoteAddr) return } + s.Logger.Infow("Stored file.", "id", f.ID, "remote_addr", r.RemoteAddr) var resp = struct { Message string `json:"message"` ID string `json:"id"` @@ -57,7 +62,7 @@ func (s *HTTPServer) HandlerAPIFilePost(w http.ResponseWriter, r *http.Request) w.WriteHeader(http.StatusAccepted) encoder := json.NewEncoder(w) if err := encoder.Encode(&resp); err != nil { - // TODO: LOG + s.Logger.Warnw("Error encoding response to client.", "error", err, "remote_addr", r.RemoteAddr) } } @@ -77,6 +82,6 @@ func (s *HTTPServer) HandlerAPIFileGet(w http.ResponseWriter, r *http.Request) { w.WriteHeader(http.StatusOK) if _, err := io.Copy(w, f.Body); err != nil { - // TODO: Log + s.Logger.Warnw("Error writing file to client.", "error", err, "remote_addr", r.RemoteAddr) } }