feature: standardize logger used in endure and RR

.golangci.yml

@@ -41,9 +41,8 @@ linters: # All available linters list: <https://golangci-lint.run/usage/linters/
     - dogsled # Checks assignments with too many blank identifiers (e.g. x, _, _, _, := f())
     - errcheck # Errcheck is a program for checking for unchecked errors in go programs. These unchecked errors can be critical bugs in some cases
     - exhaustive # check exhaustiveness of enum switch statements
-    - exportloopref # checks for pointers to enclosing loop variables
+    - copyloopvar # checks for pointers to enclosing loop variables
     - gochecknoinits # Checks that no init functions are present in Go code
-    - goconst # Finds repeated strings that could be replaced by a constant
     - gocritic # The most opinionated Go source code linter
     - gofmt # Gofmt checks whether code was gofmt-ed. By default this tool runs with -s option to check for code simplification
     - revive # Golint differs from gofmt. Gofmt reformats Go source code, whereas golint prints out style mistakes

edges.go

@@ -1,11 +1,11 @@
 package endure
 
 import (
-	"log/slog"
 	"reflect"
 
 	"github.com/roadrunner-server/endure/v2/graph"
 	"github.com/roadrunner-server/errors"
+	"go.uber.org/zap"
 )
 
 func (e *Endure) resolveCollectorEdges(plugin any) error {
@@ -20,13 +20,10 @@ func (e *Endure) resolveCollectorEdges(plugin any) error {
 		if len(res) > 0 {
 			for j := 0; j < len(res); j++ {
 				e.graph.AddEdge(graph.CollectsConnection, res[j].Plugin(), plugin)
-				/*
-					Here we need to init the
-				*/
 				e.log.Debug("collects edge found",
-					slog.Any("method", res[j].Method()),
-					slog.Any("src", e.graph.VertexById(res[j].Plugin()).ID().String()),
-					slog.Any("dest", e.graph.VertexById(plugin).ID().String()))
+					zap.String("method", res[j].Method()),
+					zap.String("src", e.graph.VertexById(res[j].Plugin()).ID().String()),
+					zap.String("dest", e.graph.VertexById(plugin).ID().String()))
 			}
 		}
 	}
@@ -35,7 +32,7 @@ func (e *Endure) resolveCollectorEdges(plugin any) error {
 }
 
 // resolveEdges adds edges between the vertices
-// At this point, we know all plugins, and all provides values
+// At this point, we know all plugins and all 'provides' values
 func (e *Endure) resolveEdges() error {
 	vertices := e.graph.Vertices()
 
@@ -51,8 +48,8 @@ func (e *Endure) resolveEdges() error {
 			if isPrimitive(initMethod.Type.In(j).String()) {
 				e.log.Error(
 					"primitive type in the function parameters",
-					slog.String("plugin", vertices[i].ID().String()),
-					slog.String("type", initMethod.Type.In(j).String()),
+					zap.String("plugin", vertices[i].ID().String()),
+					zap.String("type", initMethod.Type.In(j).String()),
 				)
 
 				return errors.E("Init method should not receive primitive types (like string, int, etc). It should receive only interfaces")
@@ -81,22 +78,22 @@ func (e *Endure) resolveEdges() error {
 						// log
 						e.log.Debug(
 							"init edge found",
-							slog.Any("src", e.graph.VertexById(res[k].Plugin()).ID().String()),
-							slog.Any("dest", e.graph.VertexById(vertex.Plugin()).ID().String()),
+							zap.Any("src", e.graph.VertexById(res[k].Plugin()).ID().String()),
+							zap.Any("dest", e.graph.VertexById(vertex.Plugin()).ID().String()),
 						)
 					}
 				}
 			}
 
-			// we should have here exact the same number of the deps implementing every particular arg
+			// we should have here exactly the same number of the deps implementing every particular arg
 			if count != len(args[1:]) {
 				// if there are no plugins that implement Init deps, remove this vertex from the tree
 				del := e.graph.Remove(vertices[i].Plugin())
 				for k := 0; k < len(del); k++ {
 					e.registar.Remove(del[k].Plugin())
 					e.log.Debug(
 						"plugin disabled, not enough Init dependencies",
-						slog.String("name", del[k].ID().String()),
+						zap.String("name", del[k].ID().String()),
 					)
 				}
 
@@ -117,8 +114,8 @@ func (e *Endure) resolveEdges() error {
 
 	e.graph.TopologicalSort()
 
-	// notify user about the disabled plugins
-	// after topological sorting we remove all plugins with indegree > 0, because there are no edges to them
+	// to notify user about the disabled plugins
+	// after topological sorting, we remove all plugins with indegree > 0, because there are no edges to them
 	if len(e.graph.TopologicalOrder()) != len(e.graph.Vertices()) {
 		tpl := e.graph.TopologicalOrder()
 		vrt := e.graph.Vertices()
@@ -130,7 +127,7 @@ func (e *Endure) resolveEdges() error {
 
 		for _, v := range vrt {
 			if _, ok := tmpM[v.ID().String()]; !ok {
-				e.log.Warn("topological sort, plugin disabled", slog.String("plugin", v.ID().String()))
+				e.log.Warn("topological sort, plugin disabled", zap.String("plugin", v.ID().String()))
 			}
 		}
 	}

endure.go

@@ -5,14 +5,15 @@ import (
 	"net/http"
 	// pprof will be enabled in debug mode
 	"net/http/pprof"
-	"os"
 	"reflect"
 	"sync"
 	"time"
 
 	"github.com/roadrunner-server/endure/v2/graph"
+	"github.com/roadrunner-server/endure/v2/logger"
 	"github.com/roadrunner-server/endure/v2/registar"
 	"github.com/roadrunner-server/errors"
+	"go.uber.org/zap"
 )
 
 // Endure struct represent main endure repr
@@ -24,7 +25,7 @@ type Endure struct {
 	// Dependency graph
 	graph *graph.Graph
 	// log
-	log         *slog.Logger
+	log         *zap.Logger
 	stopTimeout time.Duration
 	profiler    bool
 	visualize   bool
@@ -34,7 +35,7 @@ type Endure struct {
 	userResultsCh chan *Result
 }
 
-// Options is the endure options
+// Options is the 'endure' options
 type Options func(endure *Endure)
 
 // New returns empty endure container
@@ -43,11 +44,15 @@ func New(level slog.Leveler, options ...Options) *Endure {
 		level = slog.LevelDebug
 	}
 
+	// error handling is omitted because we are sure that the logger will be created
+	zlog, _ := logger.BuildLogger(level)
+
 	c := &Endure{
 		registar:    registar.New(),
 		graph:       graph.New(),
 		mu:          sync.RWMutex{},
 		stopTimeout: time.Second * 30,
+		log:         zlog,
 	}
 
 	// Main thread channels
@@ -59,14 +64,6 @@ func New(level slog.Leveler, options ...Options) *Endure {
 		option(c)
 	}
 
-	// create default logger if not already defined in the provided options
-	if c.log == nil {
-		opts := &slog.HandlerOptions{
-			Level: level,
-		}
-		c.log = slog.New(slog.NewJSONHandler(os.Stderr, opts))
-	}
-
 	// start profiler server
 	if c.profiler {
 		profile()
@@ -97,7 +94,7 @@ func (e *Endure) Register(vertex any) error {
 	*/
 
 	if e.graph.HasVertex(vertex) {
-		e.log.Warn("already registered", slog.Any("error", errors.Errorf("plugin `%s` is already registered", t.String())))
+		e.log.Warn("already registered", zap.Error(errors.Errorf("plugin `%s` is already registered", t.String())))
 		return nil
 	}
 
@@ -106,9 +103,9 @@ func (e *Endure) Register(vertex any) error {
 		weight = val.Weight()
 		e.log.Debug(
 			"weight added",
-			slog.String("type", reflect.TypeOf(vertex).Elem().String()),
-			slog.String("kind", reflect.TypeOf(vertex).Elem().Kind().String()),
-			slog.Uint64("value", uint64(weight)),
+			zap.String("type", reflect.TypeOf(vertex).Elem().String()),
+			zap.String("kind", reflect.TypeOf(vertex).Elem().Kind().String()),
+			zap.Uint64("value", uint64(weight)),
 		)
 	}
 
@@ -119,9 +116,9 @@ func (e *Endure) Register(vertex any) error {
 
 	e.log.Debug(
 		"type registered",
-		slog.String("type", reflect.TypeOf(vertex).Elem().String()),
-		slog.String("kind", reflect.TypeOf(vertex).Elem().Kind().String()),
-		slog.String("method", "plugin"),
+		zap.String("type", reflect.TypeOf(vertex).Elem().String()),
+		zap.String("kind", reflect.TypeOf(vertex).Elem().Kind().String()),
+		zap.String("method", "plugin"),
 	)
 
 	/*
@@ -142,9 +139,9 @@ func (e *Endure) Register(vertex any) error {
 			e.registar.Insert(vertex, outDeps[i].Type, outDeps[i].Method, weight)
 			e.log.Debug(
 				"provided type registered",
-				slog.String("type", outDeps[i].Type.String()),
-				slog.String("kind", outDeps[i].Type.Kind().String()),
-				slog.String("method", outDeps[i].Method),
+				zap.String("type", outDeps[i].Type.String()),
+				zap.String("kind", outDeps[i].Type.Kind().String()),
+				zap.String("method", outDeps[i].Method),
 			)
 		}
 	}

go.mod

@@ -4,4 +4,15 @@ go 1.23
 
 toolchain go1.23.0
 
-require github.com/roadrunner-server/errors v1.4.1
+require (
+	github.com/fatih/color v1.17.0
+	github.com/roadrunner-server/errors v1.4.1
+	go.uber.org/zap v1.27.0
+)
+
+require (
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	go.uber.org/multierr v1.10.0 // indirect
+	golang.org/x/sys v0.18.0 // indirect
+)

go.sum

@@ -1,2 +1,27 @@
+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/fatih/color v1.17.0 h1:GlRw1BRJxkpqUCBKzKOw098ed57fEsKeNjpTe3cSjK4=
+github.com/fatih/color v1.17.0/go.mod h1:YZ7TlrGPkiz6ku9fK3TLD/pl3CpsiFyu8N92HLgmosI=
+github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
+github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
+github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
+github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
+github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+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/roadrunner-server/errors v1.4.1 h1:LKNeaCGiwd3t8IaL840ZNF3UA9yDQlpvHnKddnh0YRQ=
 github.com/roadrunner-server/errors v1.4.1/go.mod h1:qeffnIKG0e4j1dzGpa+OGY5VKSfMphizvqWIw8s2lAo=
+github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
+github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
+go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
+go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
+go.uber.org/multierr v1.10.0 h1:S0h4aNzvfcFsC3dRF1jLoaov7oRaKqRGC/pUEJ2yvPQ=
+go.uber.org/multierr v1.10.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
+go.uber.org/zap v1.27.0 h1:aJMhYGrd5QSmlpLMr2MftRKl7t8J8PTZPA732ud/XR8=
+go.uber.org/zap v1.27.0/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E=
+golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.18.0 h1:DBdB3niSjOA/O0blCZBqDefyWNYveAYMNF1Wum0DYQ4=
+golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

go.work.sum

@@ -2,6 +2,8 @@ github.com/google/go-cmp v0.5.8 h1:e6P7q2lk1O+qJJb4BtCQXlK8vWEO8V1ZeuEdJNOqZyg=
 github.com/google/go-cmp v0.5.8/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
 github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
+github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
+github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/rs/cors v1.9.0 h1:l9HGsTsHJcvW14Nk7J9KFz8bzeAWXn3CG6bgt7LsrAE=
 github.com/rs/cors v1.9.0/go.mod h1:XyqrcTp5zjWr1wsJ8PIRZssZ8b/WMcMf71DJnit4EMU=
 github.com/stretchr/objx v0.5.0 h1:1zr/of2m5FGMsad5YfcqgdqdWrIhu+EBEJRhR1U7z/c=

graph/vertex.go

@@ -4,7 +4,7 @@ import (
 	"reflect"
 )
 
-// Vertex is main vertex representation for the graph
+// Vertex is the main vertex representation for the graph
 // since we can have cyclic dependencies
 // when we traverse the VerticesMap, we should mark nodes as visited or not to detect cycle
 type Vertex struct {

init.go

@@ -1,10 +1,10 @@
 package endure
 
 import (
-	"log/slog"
 	"reflect"
 
 	"github.com/roadrunner-server/errors"
+	"go.uber.org/zap"
 )
 
 func (e *Endure) init() error {
@@ -33,7 +33,7 @@ func (e *Endure) init() error {
 		inVals = append(inVals, reflect.ValueOf(vertices[i].Plugin()))
 		// has deps if > 1
 		if len(args) > 1 {
-			// exclude first arg (it's receiver)
+			// exclude first arg (its receiver)
 			arg := args[1:]
 			for j := 0; j < len(arg); j++ {
 				plugin := e.registar.ImplementsExcept(arg[j], vertices[i].Plugin())
@@ -43,15 +43,15 @@ func (e *Endure) init() error {
 						e.registar.Remove(del[k].Plugin())
 						e.log.Debug(
 							"plugin disabled, not enough Init dependencies",
-							slog.String("name", del[k].ID().String()),
+							zap.String("name", del[k].ID().String()),
 						)
 					}
 
 					continue
 				}
 
 				// check if the provided plugin dep has a method
-				// existence of the method indicates, that the dep provided by this plugin should be obtained via the method call
+				// existence of the method indicates that the dep provided by this plugin should be obtained via the method call
 				switch plugin[0].Method() == "" {
 				// we don't have a method, that means, plugin itself implements the dep
 				case true:
@@ -92,15 +92,15 @@ func (e *Endure) init() error {
 			if errors.Is(errors.Disabled, ret[0].Interface().(error)) {
 				e.log.Debug(
 					"plugin disabled",
-					slog.String("name", vertices[i].ID().String()),
+					zap.String("name", vertices[i].ID().String()),
 				)
 				// delete vertex and continue
 				plugins := e.graph.Remove(vertices[i].Plugin())
 
 				for j := 0; j < len(plugins); j++ {
 					e.log.Debug(
 						"destination plugin disabled because root was disabled",
-						slog.String("name", plugins[j].ID().String()),
+						zap.String("name", plugins[j].ID().String()),
 					)
 					e.registar.Remove(plugins[j].Plugin())
 				}