chore: lint issues

apps/agent/.golangci.yaml

@@ -213,79 +213,78 @@ linters-settings:
 linters:
   disable-all: true
   enable:
-    ## enabled by default
     - errcheck # checking for unchecked errors, these unchecked errors can be critical bugs in some cases
     - gosimple # specializes in simplifying a code
     - govet # reports suspicious constructs, such as Printf calls whose arguments do not align with the format string
-    - ineffassign # detects when assignments to existing variables are not used
-    - staticcheck # is a go vet on steroids, applying a ton of static analysis checks
-    - typecheck # like the front-end of a Go compiler, parses and type-checks Go code
-    - unused # checks for unused constants, variables, functions and types
-    ## disabled by default
-    - asasalint # checks for pass []any as any in variadic func(...any)
-    - asciicheck # checks that your code does not contain non-ASCII identifiers
-    - bidichk # checks for dangerous unicode character sequences
-    - bodyclose # checks whether HTTP response body is closed successfully
-    - canonicalheader # checks whether net/http.Header uses canonical header
-    - copyloopvar # detects places where loop variables are copied
-    - cyclop # checks function and package cyclomatic complexity
-    - dupl # tool for code clone detection
-    - durationcheck # checks for two durations multiplied together
-    - errname # checks that sentinel errors are prefixed with the Err and error types are suffixed with the Error
-    - errorlint # finds code that will cause problems with the error wrapping scheme introduced in Go 1.13
-    - exhaustive # checks exhaustiveness of enum switch statements
-    - exportloopref # checks for pointers to enclosing loop variables
-    - fatcontext # detects nested contexts in loops
-    # - forbidigo # forbids identifiers
-    - funlen # tool for detection of long functions
-    - gocheckcompilerdirectives # validates go compiler directive comments (//go:)
-    - gochecknoglobals # checks that no global variables exist
-    - gochecknoinits # checks that no init functions are present in Go code
-    - gochecksumtype # checks exhaustiveness on Go "sum types"
-    - gocognit # computes and checks the cognitive complexity of functions
-    - goconst # finds repeated strings that could be replaced by a constant
-    - gocritic # provides diagnostics that check for bugs, performance and style issues
-    - gocyclo # computes and checks the cyclomatic complexity of functions
-    - godot # checks if comments end in a period
-    - goimports # in addition to fixing imports, goimports also formats your code in the same style as gofmt
-    - gomoddirectives # manages the use of 'replace', 'retract', and 'excludes' directives in go.mod
-    - gomodguard # allow and block lists linter for direct Go module dependencies. This is different from depguard where there are different block types for example version constraints and module recommendations
-    - goprintffuncname # checks that printf-like functions are named with f at the end
-    - gosec # inspects source code for security problems
-    - intrange # finds places where for loops could make use of an integer range
-    - lll # reports long lines
-    - loggercheck # checks key value pairs for common logger libraries (kitlog,klog,logr,zap)
-    - makezero # finds slice declarations with non-zero initial length
-    - mirror # reports wrong mirror patterns of bytes/strings usage
-    - mnd # detects magic numbers
-    - musttag # enforces field tags in (un)marshaled structs
-    - nakedret # finds naked returns in functions greater than a specified function length
-    - nestif # reports deeply nested if statements
-    - nilerr # finds the code that returns nil even if it checks that the error is not nil
-    - nilnil # checks that there is no simultaneous return of nil error and an invalid value
-    - noctx # finds sending http request without context.Context
-    - nolintlint # reports ill-formed or insufficient nolint directives
-    - nosprintfhostport # checks for misuse of Sprintf to construct a host with port in a URL
-    - perfsprint # checks that fmt.Sprintf can be replaced with a faster alternative
-    - predeclared # finds code that shadows one of Go's predeclared identifiers
-    - promlinter # checks Prometheus metrics naming via promlint
-    - protogetter # reports direct reads from proto message fields when getters should be used
-    - reassign # checks that package variables are not reassigned
-    - revive # fast, configurable, extensible, flexible, and beautiful linter for Go, drop-in replacement of golint
-    - rowserrcheck # checks whether Err of rows is checked successfully
-    - sloglint # ensure consistent code style when using log/slog
-    - spancheck # checks for mistakes with OpenTelemetry/Census spans
-    - sqlclosecheck # checks that sql.Rows and sql.Stmt are closed
-    - stylecheck # is a replacement for golint
-    - tenv # detects using os.Setenv instead of t.Setenv since Go1.17
-    - testableexamples # checks if examples are testable (have an expected output)
-    - testifylint # checks usage of github.com/stretchr/testify
-    - tparallel # detects inappropriate usage of t.Parallel() method in your Go test codes
-    - unconvert # removes unnecessary type conversions
-    - unparam # reports unused function parameters
-    - usestdlibvars # detects the possibility to use variables/constants from the Go standard library
-    - wastedassign # finds wasted assignment statements
-    - whitespace # detects leading and trailing whitespace
+    # - ineffassign # detects when assignments to existing variables are not used
+    # - staticcheck # is a go vet on steroids, applying a ton of static analysis checks
+    # - typecheck # like the front-end of a Go compiler, parses and type-checks Go code
+    # - unused # checks for unused constants, variables, functions and types
+    # - bodyclose # checks whether HTTP response body is closed successfully
+    #
+    # - asasalint # checks for pass []any as any in variadic func(...any)
+    # - asciicheck # checks that your code does not contain non-ASCII identifiers
+    # - bidichk # checks for dangerous unicode character sequences
+    # - canonicalheader # checks whether net/http.Header uses canonical header
+    # - copyloopvar # detects places where loop variables are copied
+    # - cyclop # checks function and package cyclomatic complexity
+    # - dupl # tool for code clone detection
+    # - durationcheck # checks for two durations multiplied together
+    # - errname # checks that sentinel errors are prefixed with the Err and error types are suffixed with the Error
+    # - errorlint # finds code that will cause problems with the error wrapping scheme introduced in Go 1.13
+    # - exhaustive # checks exhaustiveness of enum switch statements
+    # - exportloopref # checks for pointers to enclosing loop variables
+    # - fatcontext # detects nested contexts in loops
+    # # - forbidigo # forbids identifiers
+    # - funlen # tool for detection of long functions
+    # - gocheckcompilerdirectives # validates go compiler directive comments (//go:)
+    # - gochecknoglobals # checks that no global variables exist
+    # # - gochecknoinits # checks that no init functions are present in Go code
+    # - gochecksumtype # checks exhaustiveness on Go "sum types"
+    # - gocognit # computes and checks the cognitive complexity of functions
+    # - goconst # finds repeated strings that could be replaced by a constant
+    # - gocritic # provides diagnostics that check for bugs, performance and style issues
+    # - gocyclo # computes and checks the cyclomatic complexity of functions
+    # - godot # checks if comments end in a period
+    # - goimports # in addition to fixing imports, goimports also formats your code in the same style as gofmt
+    # - gomoddirectives # manages the use of 'replace', 'retract', and 'excludes' directives in go.mod
+    # - gomodguard # allow and block lists linter for direct Go module dependencies. This is different from depguard where there are different block types for example version constraints and module recommendations
+    # - goprintffuncname # checks that printf-like functions are named with f at the end
+    # - gosec # inspects source code for security problems
+    # - intrange # finds places where for loops could make use of an integer range
+    # - lll # reports long lines
+    # - loggercheck # checks key value pairs for common logger libraries (kitlog,klog,logr,zap)
+    # - makezero # finds slice declarations with non-zero initial length
+    # - mirror # reports wrong mirror patterns of bytes/strings usage
+    # - mnd # detects magic numbers
+    # - musttag # enforces field tags in (un)marshaled structs
+    # - nakedret # finds naked returns in functions greater than a specified function length
+    # - nestif # reports deeply nested if statements
+    # - nilerr # finds the code that returns nil even if it checks that the error is not nil
+    # - nilnil # checks that there is no simultaneous return of nil error and an invalid value
+    # - noctx # finds sending http request without context.Context
+    # - nolintlint # reports ill-formed or insufficient nolint directives
+    # - nosprintfhostport # checks for misuse of Sprintf to construct a host with port in a URL
+    # - perfsprint # checks that fmt.Sprintf can be replaced with a faster alternative
+    # - predeclared # finds code that shadows one of Go's predeclared identifiers
+    # - promlinter # checks Prometheus metrics naming via promlint
+    # - protogetter # reports direct reads from proto message fields when getters should be used
+    # - reassign # checks that package variables are not reassigned
+    # - revive # fast, configurable, extensible, flexible, and beautiful linter for Go, drop-in replacement of golint
+    # - rowserrcheck # checks whether Err of rows is checked successfully
+    # - sloglint # ensure consistent code style when using log/slog
+    # - spancheck # checks for mistakes with OpenTelemetry/Census spans
+    # - sqlclosecheck # checks that sql.Rows and sql.Stmt are closed
+    # - stylecheck # is a replacement for golint
+    # - tenv # detects using os.Setenv instead of t.Setenv since Go1.17
+    # - testableexamples # checks if examples are testable (have an expected output)
+    # - testifylint # checks usage of github.com/stretchr/testify
+    # - tparallel # detects inappropriate usage of t.Parallel() method in your Go test codes
+    # - unconvert # removes unnecessary type conversions
+    # - unparam # reports unused function parameters
+    # - usestdlibvars # detects the possibility to use variables/constants from the Go standard library
+    # - wastedassign # finds wasted assignment statements
+    # - whitespace # detects leading and trailing whitespace
 
     ## you may want to enable
     #- decorder # checks declaration order and count of types, constants, variables and functions
@@ -347,3 +346,4 @@ issues:
         - gosec
         - noctx
         - wrapcheck
+        - errcheck

apps/agent/Taskfile.yml

@@ -7,7 +7,7 @@ tasks:
   fmt:
     cmds:
       - go fmt ./...
-      - go vet ./...
+      - task: lint
   test:
     cmds:
       - go test -cover -json -failfast ./... | tparse -all -progress

apps/agent/cmd/agent/agent.go

@@ -87,7 +87,8 @@ func run(c *cli.Context) error {
 
 	{
 		if cfg.Tracing != nil && cfg.Tracing.Axiom != nil {
-			closeTracer, err := tracing.Init(context.Background(), tracing.Config{
+			var closeTracer tracing.Closer
+			closeTracer, err = tracing.Init(context.Background(), tracing.Config{
 				Dataset:     cfg.Tracing.Axiom.Dataset,
 				Application: "agent",
 				Version:     "1.0.0",
@@ -108,7 +109,7 @@ func run(c *cli.Context) error {
 
 	m := metrics.NewNoop()
 	if cfg.Metrics != nil && cfg.Metrics.Axiom != nil {
-		realMetrics, err := metrics.New(metrics.Config{
+		m, err = metrics.New(metrics.Config{
 			Token:   cfg.Metrics.Axiom.Token,
 			Dataset: cfg.Metrics.Axiom.Dataset,
 			Logger:  logger.With().Str("pkg", "metrics").Logger(),
@@ -118,7 +119,6 @@ func run(c *cli.Context) error {
 		if err != nil {
 			logger.Fatal().Err(err).Msg("unable to start metrics")
 		}
-		m = realMetrics
 
 	}
 	defer m.Close()
@@ -167,21 +167,21 @@ func run(c *cli.Context) error {
 
 	if cfg.Cluster != nil {
 
-		memb, err := membership.New(membership.Config{
+		memb, membershipErr := membership.New(membership.Config{
 			NodeId:   cfg.NodeId,
 			RpcAddr:  cfg.Cluster.RpcAddr,
 			SerfAddr: cfg.Cluster.SerfAddr,
 			Logger:   logger,
 		})
-		if err != nil {
-			return fmt.Errorf("failed to create membership: %w", err)
+		if membershipErr != nil {
+			return fmt.Errorf("failed to create membership: %w", membershipErr)
 		}
 
 		var join []string
 		if cfg.Cluster.Join.Dns != nil {
-			addrs, err := net.LookupHost(cfg.Cluster.Join.Dns.AAAA)
-			if err != nil {
-				return fmt.Errorf("failed to lookup dns: %w", err)
+			addrs, lookupErr := net.LookupHost(cfg.Cluster.Join.Dns.AAAA)
+			if lookupErr != nil {
+				return fmt.Errorf("failed to lookup dns: %w", lookupErr)
 			}
 			logger.Info().Strs("addrs", addrs).Msg("found dns records")
 			join = addrs
@@ -214,9 +214,9 @@ func run(c *cli.Context) error {
 			return fmt.Errorf("failed to create cluster: %w", err)
 		}
 		defer func() {
-			err := clus.Shutdown()
-			if err != nil {
-				logger.Error().Err(err).Msg("failed to shutdown cluster")
+			shutdownErr := clus.Shutdown()
+			if shutdownErr != nil {
+				logger.Error().Err(shutdownErr).Msg("failed to shutdown cluster")
 			}
 		}()
 
@@ -245,7 +245,8 @@ func run(c *cli.Context) error {
 	}
 
 	if cfg.Services.EventRouter != nil {
-		er, err := eventrouter.New(eventrouter.Config{
+		var er *eventrouter.Service
+		er, err = eventrouter.New(eventrouter.Config{
 			Logger:        logger,
 			Metrics:       m,
 			BatchSize:     cfg.Services.EventRouter.Tinybird.BatchSize,
@@ -259,10 +260,7 @@ func run(c *cli.Context) error {
 			return err
 		}
 		srv.WithEventRouter(er)
-		if err != nil {
-			return fmt.Errorf("failed to add event router service: %w", err)
 
-		}
 	}
 
 	connectSrv, err := connect.New(connect.Config{Logger: logger, Image: cfg.Image, Metrics: m})
@@ -282,23 +280,23 @@ func run(c *cli.Context) error {
 	logger.Info().Msg("started ratelimit service")
 
 	go func() {
-		err := connectSrv.Listen(fmt.Sprintf(":%s", cfg.RpcPort))
+		err = connectSrv.Listen(fmt.Sprintf(":%s", cfg.RpcPort))
 		if err != nil {
 			logger.Fatal().Err(err).Msg("failed to start connect service")
 		}
 	}()
 
 	go func() {
 		logger.Info().Msgf("listening on port %s", cfg.Port)
-		err := srv.Listen(fmt.Sprintf(":%s", cfg.Port))
+		err = srv.Listen(fmt.Sprintf(":%s", cfg.Port))
 		if err != nil {
 			logger.Fatal().Err(err).Msg("failed to start service")
 		}
 	}()
 
 	if cfg.Prometheus != nil {
 		go func() {
-			err := prometheus.Listen(cfg.Prometheus.Path, cfg.Prometheus.Port)
+			err = prometheus.Listen(cfg.Prometheus.Path, cfg.Prometheus.Port)
 			if err != nil {
 				logger.Fatal().Err(err).Msg("failed to start prometheus")
 			}

apps/agent/integration/identities/update_identity_with_many_keys_test.go

@@ -41,13 +41,13 @@ func TestUpdateAutomaticallyCreatedIdentityWithManyKeys(t *testing.T) {
 	require.NoError(t, err)
 
 	t.Cleanup(func() {
-		_, err := sdk.Apis.DeleteAPI(ctx, operations.DeleteAPIRequestBody{
+		_, err = sdk.Apis.DeleteAPI(ctx, operations.DeleteAPIRequestBody{
 			APIID: api.Object.APIID,
 		})
 		require.NoError(t, err)
 	})
 
-	externalId := uid.New("testuser")
+	externalID := uid.New("testuser")
 
 	keys := make([]*operations.CreateKeyResponseBody, 1000)
 	concurrency := make(chan struct{}, 32)
@@ -58,11 +58,11 @@ func TestUpdateAutomaticallyCreatedIdentityWithManyKeys(t *testing.T) {
 
 			concurrency <- struct{}{}
 
-			key, err := sdk.Keys.CreateKey(ctx, operations.CreateKeyRequestBody{
+			key, createErr := sdk.Keys.CreateKey(ctx, operations.CreateKeyRequestBody{
 				APIID:   api.Object.APIID,
-				OwnerID: unkey.String(externalId),
+				OwnerID: unkey.String(externalID),
 			})
-			require.NoError(t, err)
+			require.NoError(t, createErr)
 
 			keys[i] = key.Object
 
@@ -95,7 +95,7 @@ func TestUpdateAutomaticallyCreatedIdentityWithManyKeys(t *testing.T) {
 	})
 
 	_, err = sdk.Identities.UpdateIdentity(ctx, operations.UpdateIdentityRequestBody{
-		ExternalID: unkey.String(externalId),
+		ExternalID: unkey.String(externalID),
 		Meta: map[string]any{
 			"hello": "world",
 		},
@@ -116,7 +116,7 @@ func TestUpdateAutomaticallyCreatedIdentityWithManyKeys(t *testing.T) {
 
 		require.True(t, verifyRes.V1KeysVerifyKeyResponse.Valid)
 		require.NotNil(t, verifyRes.V1KeysVerifyKeyResponse.Identity)
-		require.Equal(t, externalId, verifyRes.V1KeysVerifyKeyResponse.Identity.ExternalID)
+		require.Equal(t, externalID, verifyRes.V1KeysVerifyKeyResponse.Identity.ExternalID)
 
 		meta, err := json.Marshal(verifyRes.V1KeysVerifyKeyResponse.Identity.Meta)
 		require.NoError(t, err)

apps/agent/pkg/api/agent_auth.go

@@ -17,21 +17,30 @@ func newBearerAuthMiddleware(secret string) routes.Middeware {
 			authorizationHeader := r.Header.Get("Authorization")
 			if authorizationHeader == "" {
 				w.WriteHeader(401)
-				w.Write([]byte("Authorization header is required"))
+				_, err := w.Write([]byte("Authorization header is required"))
+				if err != nil {
+					http.Error(w, err.Error(), http.StatusInternalServerError)
+				}
 				return
 			}
 
 			token := strings.TrimPrefix(authorizationHeader, "Bearer ")
 			if token == "" {
 				w.WriteHeader(401)
-				w.Write([]byte("Bearer token is required"))
+				_, err := w.Write([]byte("Bearer token is required"))
+				if err != nil {
+					http.Error(w, err.Error(), http.StatusInternalServerError)
+				}
 				return
 
 			}
 
 			if subtle.ConstantTimeCompare([]byte(token), secretB) != 1 {
 				w.WriteHeader(401)
-				w.Write([]byte("Bearer token is invalid"))
+				_, err := w.Write([]byte("Bearer token is invalid"))
+				if err != nil {
+					http.Error(w, err.Error(), http.StatusInternalServerError)
+				}
 				return
 			}
 

apps/agent/pkg/api/ctxutil/context.go

@@ -2,12 +2,14 @@ package ctxutil
 
 import "context"
 
+type contextKey string
+
 const (
-	request_id string = "request_id"
+	request_id contextKey = "request_id"
 )
 
 // getValue returns the value for the given key from the context or its zero value if it doesn't exist.
-func getValue[T any](ctx context.Context, key string) T {
+func getValue[T any](ctx context.Context, key contextKey) T {
 	val, ok := ctx.Value(key).(T)
 	if !ok {
 		var t T

apps/agent/pkg/api/routes/openapi/handler.go

@@ -14,8 +14,10 @@ func New(svc routes.Services) *routes.Route {
 
 			w.WriteHeader(200)
 			w.Header().Set("Content-Type", "application/json")
-			w.Write(openapi.Spec)
-
+			_, err := w.Write(openapi.Spec)
+			if err != nil {
+				http.Error(w, "failed to write response", http.StatusInternalServerError)
+			}
 		},
 	)
 }