ci(lint): enable godot; append dot at the end of comments

Signed-off-by: Oleksandr Redko <Oleksandr_Redko@epam.com>

.golangci.yml

@@ -15,6 +15,7 @@ linters:
     - depguard
     - errorlint
     - gocritic
+    - godot
     - gofumpt
     - goimports
     - misspell
@@ -45,6 +46,9 @@ issues:
     - path: web/
       linters:
         - errorlint
+    - linters:
+        - godot
+      source: "^// ==="
 
 linters-settings:
   depguard:

cmd/prometheus/main.go

@@ -1283,7 +1283,7 @@ func startsOrEndsWithQuote(s string) bool {
 		strings.HasSuffix(s, "\"") || strings.HasSuffix(s, "'")
 }
 
-// compileCORSRegexString compiles given string and adds anchors
+// compileCORSRegexString compiles given string and adds anchors.
 func compileCORSRegexString(s string) (*regexp.Regexp, error) {
 	r, err := relabel.NewRegexp(s)
 	if err != nil {

discovery/azure/azure.go

@@ -281,7 +281,7 @@ func newCredential(cfg SDConfig, policyClientOptions policy.ClientOptions) (azco
 	return credential, nil
 }
 
-// virtualMachine represents an Azure virtual machine (which can also be created by a VMSS)
+// virtualMachine represents an Azure virtual machine (which can also be created by a VMSS).
 type virtualMachine struct {
 	ID                string
 	Name              string

discovery/consul/consul.go

@@ -50,7 +50,7 @@ const (
 	tagsLabel = model.MetaLabelPrefix + "consul_tags"
 	// serviceLabel is the name of the label containing the service name.
 	serviceLabel = model.MetaLabelPrefix + "consul_service"
-	// healthLabel is the name of the label containing the health of the service instance
+	// healthLabel is the name of the label containing the health of the service instance.
 	healthLabel = model.MetaLabelPrefix + "consul_health"
 	// serviceAddressLabel is the name of the label containing the (optional) service address.
 	serviceAddressLabel = model.MetaLabelPrefix + "consul_service_address"

discovery/digitalocean/mock_test.go

@@ -21,7 +21,7 @@ import (
 	"testing"
 )
 
-// SDMock is the interface for the DigitalOcean mock
+// SDMock is the interface for the DigitalOcean mock.
 type SDMock struct {
 	t      *testing.T
 	Server *httptest.Server
@@ -35,18 +35,18 @@ func NewSDMock(t *testing.T) *SDMock {
 	}
 }
 
-// Endpoint returns the URI to the mock server
+// Endpoint returns the URI to the mock server.
 func (m *SDMock) Endpoint() string {
 	return m.Server.URL + "/"
 }
 
-// Setup creates the mock server
+// Setup creates the mock server.
 func (m *SDMock) Setup() {
 	m.Mux = http.NewServeMux()
 	m.Server = httptest.NewServer(m.Mux)
 }
 
-// ShutdownServer creates the mock server
+// ShutdownServer creates the mock server.
 func (m *SDMock) ShutdownServer() {
 	m.Server.Close()
 }

discovery/hetzner/mock_test.go

@@ -20,7 +20,7 @@ import (
 	"testing"
 )
 
-// SDMock is the interface for the Hetzner Cloud mock
+// SDMock is the interface for the Hetzner Cloud mock.
 type SDMock struct {
 	t      *testing.T
 	Server *httptest.Server
@@ -34,19 +34,19 @@ func NewSDMock(t *testing.T) *SDMock {
 	}
 }
 
-// Endpoint returns the URI to the mock server
+// Endpoint returns the URI to the mock server.
 func (m *SDMock) Endpoint() string {
 	return m.Server.URL + "/"
 }
 
-// Setup creates the mock server
+// Setup creates the mock server.
 func (m *SDMock) Setup() {
 	m.Mux = http.NewServeMux()
 	m.Server = httptest.NewServer(m.Mux)
 	m.t.Cleanup(m.Server.Close)
 }
 
-// ShutdownServer creates the mock server
+// ShutdownServer creates the mock server.
 func (m *SDMock) ShutdownServer() {
 	m.Server.Close()
 }

discovery/kubernetes/client_metrics.go

@@ -45,7 +45,7 @@ var (
 		[]string{"endpoint"},
 	)
 
-	// Definition of metrics for client-go workflow metrics provider
+	// Definition of metrics for client-go workflow metrics provider.
 	clientGoWorkqueueDepthMetricVec = prometheus.NewGaugeVec(
 		prometheus.GaugeOpts{
 			Namespace: workqueueMetricsNamespace,
@@ -106,7 +106,7 @@ func (noopMetric) Dec()            {}
 func (noopMetric) Observe(float64) {}
 func (noopMetric) Set(float64)     {}
 
-// Definition of client-go metrics adapters for HTTP requests observation
+// Definition of client-go metrics adapters for HTTP requests observation.
 type clientGoRequestMetricAdapter struct{}
 
 func (f *clientGoRequestMetricAdapter) Register(registerer prometheus.Registerer) {
@@ -130,7 +130,7 @@ func (clientGoRequestMetricAdapter) Observe(_ context.Context, _ string, u url.U
 	clientGoRequestLatencyMetricVec.WithLabelValues(u.EscapedPath()).Observe(latency.Seconds())
 }
 
-// Definition of client-go workqueue metrics provider definition
+// Definition of client-go workqueue metrics provider definition.
 type clientGoWorkqueueMetricsProvider struct{}
 
 func (f *clientGoWorkqueueMetricsProvider) Register(registerer prometheus.Registerer) {

discovery/kubernetes/endpointslice_adaptor.go

@@ -20,7 +20,7 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 )
 
-// endpointSliceAdaptor is an adaptor for the different EndpointSlice versions
+// endpointSliceAdaptor is an adaptor for the different EndpointSlice versions.
 type endpointSliceAdaptor interface {
 	get() interface{}
 	getObjectMeta() metav1.ObjectMeta
@@ -55,7 +55,7 @@ type endpointSliceEndpointConditionsAdaptor interface {
 	terminating() *bool
 }
 
-// Adaptor for k8s.io/api/discovery/v1
+// Adaptor for k8s.io/api/discovery/v1.
 type endpointSliceAdaptorV1 struct {
 	endpointSlice *v1.EndpointSlice
 }
@@ -108,7 +108,7 @@ func (e *endpointSliceAdaptorV1) labelServiceName() string {
 	return v1.LabelServiceName
 }
 
-// Adaptor for k8s.io/api/discovery/v1beta1
+// Adaptor for k8s.io/api/discovery/v1beta1.
 type endpointSliceAdaptorV1Beta1 struct {
 	endpointSlice *v1beta1.EndpointSlice
 }

discovery/kubernetes/ingress_adaptor.go

@@ -19,7 +19,7 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 )
 
-// ingressAdaptor is an adaptor for the different Ingress versions
+// ingressAdaptor is an adaptor for the different Ingress versions.
 type ingressAdaptor interface {
 	getObjectMeta() metav1.ObjectMeta
 	name() string
@@ -36,7 +36,7 @@ type ingressRuleAdaptor interface {
 	host() string
 }
 
-// Adaptor for networking.k8s.io/v1
+// Adaptor for networking.k8s.io/v1.
 type ingressAdaptorV1 struct {
 	ingress *v1.Ingress
 }
@@ -90,7 +90,7 @@ func (i *ingressRuleAdaptorV1) paths() []string {
 
 func (i *ingressRuleAdaptorV1) host() string { return i.rule.Host }
 
-// Adaptor for networking.k8s.io/v1beta1
+// Adaptor for networking.k8s.io/v1beta1.
 type ingressAdaptorV1Beta1 struct {
 	ingress *v1beta1.Ingress
 }

discovery/kubernetes/kubernetes.go

@@ -65,9 +65,9 @@ const (
 )
 
 var (
-	// Http header
+	// Http header.
 	userAgent = fmt.Sprintf("Prometheus/%s", version.Version)
-	// Custom events metric
+	// Custom events metric.
 	eventCount = prometheus.NewCounterVec(
 		prometheus.CounterOpts{
 			Namespace: metricsNamespace,
@@ -76,7 +76,7 @@ var (
 		},
 		[]string{"role", "event"},
 	)
-	// DefaultSDConfig is the default Kubernetes SD configuration
+	// DefaultSDConfig is the default Kubernetes SD configuration.
 	DefaultSDConfig = SDConfig{
 		HTTPClientConfig: config.DefaultHTTPClientConfig,
 	}

discovery/kubernetes/node.go

@@ -202,7 +202,7 @@ func (n *Node) buildNode(node *apiv1.Node) *targetgroup.Group {
 // 5. NodeLegacyHostIP
 // 6. NodeHostName
 //
-// Derived from k8s.io/kubernetes/pkg/util/node/node.go
+// Derived from k8s.io/kubernetes/pkg/util/node/node.go.
 func nodeAddress(node *apiv1.Node) (string, map[apiv1.NodeAddressType][]string, error) {
 	m := map[apiv1.NodeAddressType][]string{}
 	for _, a := range node.Status.Addresses {

discovery/legacymanager/manager.go

@@ -137,7 +137,7 @@ type Manager struct {
 	triggerSend chan struct{}
 }
 
-// Run starts the background processing
+// Run starts the background processing.
 func (m *Manager) Run() error {
 	go m.sender()
 	<-m.ctx.Done()

discovery/linode/mock_test.go

@@ -20,7 +20,7 @@ import (
 	"testing"
 )
 
-// SDMock is the interface for the Linode mock
+// SDMock is the interface for the Linode mock.
 type SDMock struct {
 	t      *testing.T
 	Server *httptest.Server
@@ -34,18 +34,18 @@ func NewSDMock(t *testing.T) *SDMock {
 	}
 }
 
-// Endpoint returns the URI to the mock server
+// Endpoint returns the URI to the mock server.
 func (m *SDMock) Endpoint() string {
 	return m.Server.URL + "/"
 }
 
-// Setup creates the mock server
+// Setup creates the mock server.
 func (m *SDMock) Setup() {
 	m.Mux = http.NewServeMux()
 	m.Server = httptest.NewServer(m.Mux)
 }
 
-// ShutdownServer creates the mock server
+// ShutdownServer creates the mock server.
 func (m *SDMock) ShutdownServer() {
 	m.Server.Close()
 }

discovery/manager.go

@@ -92,7 +92,7 @@ type Provider struct {
 	newSubs map[string]struct{}
 }
 
-// Discoverer return the Discoverer of the provider
+// Discoverer return the Discoverer of the provider.
 func (p *Provider) Discoverer() Discoverer {
 	return p.d
 }

discovery/marathon/marathon.go

@@ -48,7 +48,7 @@ const (
 	// imageLabel is the label that is used for the docker image running the service.
 	imageLabel model.LabelName = metaLabelPrefix + "image"
 	// portIndexLabel is the integer port index when multiple ports are defined;
-	// e.g. PORT1 would have a value of '1'
+	// e.g. PORT1 would have a value of '1'.
 	portIndexLabel model.LabelName = metaLabelPrefix + "port_index"
 	// taskLabel contains the mesos task name of the app instance.
 	taskLabel model.LabelName = metaLabelPrefix + "task"

discovery/moby/mock_test.go

@@ -29,7 +29,7 @@ import (
 	"github.com/prometheus/prometheus/util/strutil"
 )
 
-// SDMock is the interface for the DigitalOcean mock
+// SDMock is the interface for the DigitalOcean mock.
 type SDMock struct {
 	t         *testing.T
 	Server    *httptest.Server
@@ -47,12 +47,12 @@ func NewSDMock(t *testing.T, directory string) *SDMock {
 	}
 }
 
-// Endpoint returns the URI to the mock server
+// Endpoint returns the URI to the mock server.
 func (m *SDMock) Endpoint() string {
 	return m.Server.URL + "/"
 }
 
-// Setup creates the mock server
+// Setup creates the mock server.
 func (m *SDMock) Setup() {
 	m.Mux = http.NewServeMux()
 	m.Server = httptest.NewServer(m.Mux)

discovery/nomad/nomad_test.go

@@ -30,7 +30,7 @@ type NomadSDTestSuite struct {
 	Mock *SDMock
 }
 
-// SDMock is the interface for the nomad mock
+// SDMock is the interface for the nomad mock.
 type SDMock struct {
 	t      *testing.T
 	Server *httptest.Server

discovery/openstack/mock_test.go

@@ -20,7 +20,7 @@ import (
 	"testing"
 )
 
-// SDMock is the interface for the OpenStack mock
+// SDMock is the interface for the OpenStack mock.
 type SDMock struct {
 	t      *testing.T
 	Server *httptest.Server
@@ -34,12 +34,12 @@ func NewSDMock(t *testing.T) *SDMock {
 	}
 }
 
-// Endpoint returns the URI to the mock server
+// Endpoint returns the URI to the mock server.
 func (m *SDMock) Endpoint() string {
 	return m.Server.URL + "/"
 }
 
-// Setup creates the mock server
+// Setup creates the mock server.
 func (m *SDMock) Setup() {
 	m.Mux = http.NewServeMux()
 	m.Server = httptest.NewServer(m.Mux)
@@ -60,7 +60,7 @@ func testHeader(t *testing.T, r *http.Request, header, expected string) {
 	}
 }
 
-// HandleVersionsSuccessfully mocks version call
+// HandleVersionsSuccessfully mocks version call.
 func (m *SDMock) HandleVersionsSuccessfully() {
 	m.Mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
 		fmt.Fprintf(w, `
@@ -88,7 +88,7 @@ func (m *SDMock) HandleVersionsSuccessfully() {
 	})
 }
 
-// HandleAuthSuccessfully mocks auth call
+// HandleAuthSuccessfully mocks auth call.
 func (m *SDMock) HandleAuthSuccessfully() {
 	m.Mux.HandleFunc("/v3/auth/tokens", func(w http.ResponseWriter, r *http.Request) {
 		w.Header().Add("X-Subject-Token", tokenID)
@@ -236,7 +236,7 @@ const hypervisorListBody = `
     ]
 }`
 
-// HandleHypervisorListSuccessfully mocks os-hypervisors detail call
+// HandleHypervisorListSuccessfully mocks os-hypervisors detail call.
 func (m *SDMock) HandleHypervisorListSuccessfully() {
 	m.Mux.HandleFunc("/os-hypervisors/detail", func(w http.ResponseWriter, r *http.Request) {
 		testMethod(m.t, r, "GET")
@@ -533,7 +533,7 @@ const serverListBody = `
 }
 `
 
-// HandleServerListSuccessfully mocks server detail call
+// HandleServerListSuccessfully mocks server detail call.
 func (m *SDMock) HandleServerListSuccessfully() {
 	m.Mux.HandleFunc("/servers/detail", func(w http.ResponseWriter, r *http.Request) {
 		testMethod(m.t, r, "GET")
@@ -572,7 +572,7 @@ const listOutput = `
 }
 `
 
-// HandleFloatingIPListSuccessfully mocks floating ips call
+// HandleFloatingIPListSuccessfully mocks floating ips call.
 func (m *SDMock) HandleFloatingIPListSuccessfully() {
 	m.Mux.HandleFunc("/os-floating-ips", func(w http.ResponseWriter, r *http.Request) {
 		testMethod(m.t, r, "GET")

discovery/vultr/mock_test.go

@@ -20,7 +20,7 @@ import (
 	"testing"
 )
 
-// SDMock is the interface for the Vultr mock
+// SDMock is the interface for the Vultr mock.
 type SDMock struct {
 	t      *testing.T
 	Server *httptest.Server

documentation/examples/remote_storage/remote_storage_adapter/graphite/escape.go

@@ -69,16 +69,16 @@ const (
 //
 // Examples:
 //
-// "foo-bar-42" -> "foo-bar-42"
+//	"foo-bar-42" -> "foo-bar-42"
 //
-// "foo_bar%42" -> "foo_bar%2542"
+//	"foo_bar%42" -> "foo_bar%2542"
 //
-// "http://example.org:8080" -> "http:%2F%2Fexample%2Eorg:8080"
+//	"http://example.org:8080" -> "http:%2F%2Fexample%2Eorg:8080"
 //
-// "Björn's email: bjoern@soundcloud.com" ->
-// "Bj%C3%B6rn's%20email:%20bjoern%40soundcloud.com"
+//	"Björn's email: bjoern@soundcloud.com" ->
+//	"Bj%C3%B6rn's%20email:%20bjoern%40soundcloud.com"
 //
-// "日" -> "%E6%97%A5"
+//	"日" -> "%E6%97%A5"
 func escape(tv model.LabelValue) string {
 	length := len(tv)
 	result := bytes.NewBuffer(make([]byte, 0, length))

documentation/examples/remote_storage/remote_storage_adapter/opentsdb/tagvalue.go

@@ -51,16 +51,16 @@ type TagValue model.LabelValue
 //
 // Examples:
 //
-// "foo-bar-42" -> "foo-bar-42"
+//	"foo-bar-42" -> "foo-bar-42"
 //
-// "foo_bar_42" -> "foo__bar__42"
+//	"foo_bar_42" -> "foo__bar__42"
 //
-// "http://example.org:8080" -> "http_.//example.org_.8080"
+//	"http://example.org:8080" -> "http_.//example.org_.8080"
 //
-// "Björn's email: bjoern@soundcloud.com" ->
-// "Bj_C3_B6rn_27s_20email_._20bjoern_40soundcloud.com"
+//	"Björn's email: bjoern@soundcloud.com" ->
+//	"Bj_C3_B6rn_27s_20email_._20bjoern_40soundcloud.com"
 //
-// "日" -> "_E6_97_A5"
+//	"日" -> "_E6_97_A5"
 func (tv TagValue) MarshalJSON() ([]byte, error) {
 	length := len(tv)
 	// Need at least two more bytes than in tv.

model/histogram/generic.go

@@ -31,7 +31,7 @@ type BucketCount interface {
 // absolute counts directly). Go type parameters don't allow type
 // specialization. Therefore, where special treatment of deltas between buckets
 // vs. absolute counts is important, this information has to be provided as a
-// separate boolean parameter "deltaBuckets"
+// separate boolean parameter "deltaBuckets".
 type InternalBucketCount interface {
 	float64 | int64
 }

model/labels/labels_test.go

@@ -450,16 +450,17 @@ func TestLabels_Get(t *testing.T) {
 // BenchmarkLabels_Get was written to check whether a binary search can improve the performance vs the linear search implementation
 // The results have shown that binary search would only be better when searching last labels in scenarios with more than 10 labels.
 // In the following list, `old` is the linear search while `new` is the binary search implementation (without calling sort.Search, which performs even worse here)
-// name                                        old time/op    new time/op    delta
-// Labels_Get/with_5_labels/get_first_label      5.12ns ± 0%   14.24ns ± 0%   ~     (p=1.000 n=1+1)
-// Labels_Get/with_5_labels/get_middle_label     13.5ns ± 0%    18.5ns ± 0%   ~     (p=1.000 n=1+1)
-// Labels_Get/with_5_labels/get_last_label       21.9ns ± 0%    18.9ns ± 0%   ~     (p=1.000 n=1+1)
-// Labels_Get/with_10_labels/get_first_label     5.11ns ± 0%   19.47ns ± 0%   ~     (p=1.000 n=1+1)
-// Labels_Get/with_10_labels/get_middle_label    26.2ns ± 0%    19.3ns ± 0%   ~     (p=1.000 n=1+1)
-// Labels_Get/with_10_labels/get_last_label      42.8ns ± 0%    23.4ns ± 0%   ~     (p=1.000 n=1+1)
-// Labels_Get/with_30_labels/get_first_label     5.10ns ± 0%   24.63ns ± 0%   ~     (p=1.000 n=1+1)
-// Labels_Get/with_30_labels/get_middle_label    75.8ns ± 0%    29.7ns ± 0%   ~     (p=1.000 n=1+1)
-// Labels_Get/with_30_labels/get_last_label       169ns ± 0%      29ns ± 0%   ~     (p=1.000 n=1+1)
+//
+//	name                                        old time/op    new time/op    delta
+//	Labels_Get/with_5_labels/get_first_label      5.12ns ± 0%   14.24ns ± 0%   ~     (p=1.000 n=1+1)
+//	Labels_Get/with_5_labels/get_middle_label     13.5ns ± 0%    18.5ns ± 0%   ~     (p=1.000 n=1+1)
+//	Labels_Get/with_5_labels/get_last_label       21.9ns ± 0%    18.9ns ± 0%   ~     (p=1.000 n=1+1)
+//	Labels_Get/with_10_labels/get_first_label     5.11ns ± 0%   19.47ns ± 0%   ~     (p=1.000 n=1+1)
+//	Labels_Get/with_10_labels/get_middle_label    26.2ns ± 0%    19.3ns ± 0%   ~     (p=1.000 n=1+1)
+//	Labels_Get/with_10_labels/get_last_label      42.8ns ± 0%    23.4ns ± 0%   ~     (p=1.000 n=1+1)
+//	Labels_Get/with_30_labels/get_first_label     5.10ns ± 0%   24.63ns ± 0%   ~     (p=1.000 n=1+1)
+//	Labels_Get/with_30_labels/get_middle_label    75.8ns ± 0%    29.7ns ± 0%   ~     (p=1.000 n=1+1)
+//	Labels_Get/with_30_labels/get_last_label       169ns ± 0%      29ns ± 0%   ~     (p=1.000 n=1+1)
 func BenchmarkLabels_Get(b *testing.B) {
 	maxLabels := 30
 	allLabels := make([]Label, maxLabels)

promql/functions.go

@@ -794,47 +794,47 @@ func funcTan(vals []parser.Value, args parser.Expressions, enh *EvalNodeHelper)
 	return simpleFunc(vals, enh, math.Tan), nil
 }
 
-// == asin(Vector parser.ValueTypeVector) (Vector, Annotations) ===
+// === asin(Vector parser.ValueTypeVector) (Vector, Annotations) ===
 func funcAsin(vals []parser.Value, args parser.Expressions, enh *EvalNodeHelper) (Vector, annotations.Annotations) {
 	return simpleFunc(vals, enh, math.Asin), nil
 }
 
-// == acos(Vector parser.ValueTypeVector) (Vector, Annotations) ===
+// === acos(Vector parser.ValueTypeVector) (Vector, Annotations) ===
 func funcAcos(vals []parser.Value, args parser.Expressions, enh *EvalNodeHelper) (Vector, annotations.Annotations) {
 	return simpleFunc(vals, enh, math.Acos), nil
 }
 
-// == atan(Vector parser.ValueTypeVector) (Vector, Annotations) ===
+// === atan(Vector parser.ValueTypeVector) (Vector, Annotations) ===
 func funcAtan(vals []parser.Value, args parser.Expressions, enh *EvalNodeHelper) (Vector, annotations.Annotations) {
 	return simpleFunc(vals, enh, math.Atan), nil
 }
 
-// == sinh(Vector parser.ValueTypeVector) (Vector, Annotations) ===
+// === sinh(Vector parser.ValueTypeVector) (Vector, Annotations) ===
 func funcSinh(vals []parser.Value, args parser.Expressions, enh *EvalNodeHelper) (Vector, annotations.Annotations) {
 	return simpleFunc(vals, enh, math.Sinh), nil
 }
 
-// == cosh(Vector parser.ValueTypeVector) (Vector, Annotations) ===
+// === cosh(Vector parser.ValueTypeVector) (Vector, Annotations) ===
 func funcCosh(vals []parser.Value, args parser.Expressions, enh *EvalNodeHelper) (Vector, annotations.Annotations) {
 	return simpleFunc(vals, enh, math.Cosh), nil
 }
 
-// == tanh(Vector parser.ValueTypeVector) (Vector, Annotations) ===
+// === tanh(Vector parser.ValueTypeVector) (Vector, Annotations) ===
 func funcTanh(vals []parser.Value, args parser.Expressions, enh *EvalNodeHelper) (Vector, annotations.Annotations) {
 	return simpleFunc(vals, enh, math.Tanh), nil
 }
 
-// == asinh(Vector parser.ValueTypeVector) (Vector, Annotations) ===
+// === asinh(Vector parser.ValueTypeVector) (Vector, Annotations) ===
 func funcAsinh(vals []parser.Value, args parser.Expressions, enh *EvalNodeHelper) (Vector, annotations.Annotations) {
 	return simpleFunc(vals, enh, math.Asinh), nil
 }
 
-// == acosh(Vector parser.ValueTypeVector) (Vector, Annotations) ===
+// === acosh(Vector parser.ValueTypeVector) (Vector, Annotations) ===
 func funcAcosh(vals []parser.Value, args parser.Expressions, enh *EvalNodeHelper) (Vector, annotations.Annotations) {
 	return simpleFunc(vals, enh, math.Acosh), nil
 }
 
-// == atanh(Vector parser.ValueTypeVector) (Vector, Annotations) ===
+// === atanh(Vector parser.ValueTypeVector) (Vector, Annotations) ===
 func funcAtanh(vals []parser.Value, args parser.Expressions, enh *EvalNodeHelper) (Vector, annotations.Annotations) {
 	return simpleFunc(vals, enh, math.Atanh), nil
 }

promql/parser/lex.go

@@ -59,11 +59,11 @@ func (i Item) Pretty(int) string { return i.String() }
 func (i ItemType) IsOperator() bool { return i > operatorsStart && i < operatorsEnd }
 
 // IsAggregator returns true if the Item belongs to the aggregator functions.
-// Returns false otherwise
+// Returns false otherwise.
 func (i ItemType) IsAggregator() bool { return i > aggregatorsStart && i < aggregatorsEnd }
 
 // IsAggregatorWithParam returns true if the Item is an aggregator that takes a parameter.
-// Returns false otherwise
+// Returns false otherwise.
 func (i ItemType) IsAggregatorWithParam() bool {
 	return i == TOPK || i == BOTTOMK || i == COUNT_VALUES || i == QUANTILE
 }

promql/parser/parse.go

@@ -171,7 +171,7 @@ func ParseExpr(input string) (expr Expr, err error) {
 	return p.ParseExpr()
 }
 
-// ParseMetric parses the input into a metric
+// ParseMetric parses the input into a metric.
 func ParseMetric(input string) (m labels.Labels, err error) {
 	p := NewParser(input)
 	defer p.Close()

rules/alerting.go

@@ -472,7 +472,7 @@ func (r *AlertingRule) Eval(ctx context.Context, ts time.Time, query QueryFunc,
 }
 
 // State returns the maximum state of alert instances for this rule.
-// StateFiring > StatePending > StateInactive
+// StateFiring > StatePending > StateInactive.
 func (r *AlertingRule) State() AlertState {
 	r.activeMtx.Lock()
 	defer r.activeMtx.Unlock()

rules/manager.go

@@ -250,7 +250,7 @@ type GroupLoader interface {
 }
 
 // FileLoader is the default GroupLoader implementation. It defers to rulefmt.ParseFile
-// and parser.ParseExpr
+// and parser.ParseExpr.
 type FileLoader struct{}
 
 func (FileLoader) Load(identifier string) (*rulefmt.RuleGroups, []error) {

scrape/manager.go

@@ -34,7 +34,7 @@ import (
 	"github.com/prometheus/prometheus/util/osutil"
 )
 
-// NewManager is the Manager constructor
+// NewManager is the Manager constructor.
 func NewManager(o *Options, logger log.Logger, app storage.Appendable, registerer prometheus.Registerer) (*Manager, error) {
 	if o == nil {
 		o = &Options{}

scrape/scrape.go

@@ -111,7 +111,7 @@ type scrapeLoopOptions struct {
 
 const maxAheadTime = 10 * time.Minute
 
-// returning an empty label set is interpreted as "drop"
+// returning an empty label set is interpreted as "drop".
 type labelsMutator func(labels.Labels) labels.Labels
 
 func newScrapePool(cfg *config.ScrapeConfig, app storage.Appendable, offsetSeed uint64, logger log.Logger, options *Options, metrics *scrapeMetrics) (*scrapePool, error) {

scrape/target.go

@@ -196,7 +196,7 @@ func (t *Target) DiscoveredLabels() labels.Labels {
 	return t.discoveredLabels.Copy()
 }
 
-// SetDiscoveredLabels sets new DiscoveredLabels
+// SetDiscoveredLabels sets new DiscoveredLabels.
 func (t *Target) SetDiscoveredLabels(l labels.Labels) {
 	t.mtx.Lock()
 	defer t.mtx.Unlock()

storage/interface.go

@@ -327,7 +327,7 @@ func (s testSeriesSet) At() Series                        { return s.series }
 func (s testSeriesSet) Err() error                        { return nil }
 func (s testSeriesSet) Warnings() annotations.Annotations { return nil }
 
-// TestSeriesSet returns a mock series set
+// TestSeriesSet returns a mock series set.
 func TestSeriesSet(series Series) SeriesSet {
 	return testSeriesSet{series: series}
 }

storage/remote/azuread/azuread.go

@@ -43,7 +43,7 @@ const (
 	IngestionPublicAudience     = "https://monitor.azure.com//.default"
 )
 
-// ManagedIdentityConfig is used to store managed identity config values
+// ManagedIdentityConfig is used to store managed identity config values.
 type ManagedIdentityConfig struct {
 	// ClientID is the clientId of the managed identity that is being used to authenticate.
 	ClientID string `yaml:"client_id,omitempty"`
@@ -235,7 +235,7 @@ func newManagedIdentityTokenCredential(clientOpts *azcore.ClientOptions, managed
 	return azidentity.NewManagedIdentityCredential(opts)
 }
 
-// newOAuthTokenCredential returns new OAuth token credential
+// newOAuthTokenCredential returns new OAuth token credential.
 func newOAuthTokenCredential(clientOpts *azcore.ClientOptions, oAuthConfig *OAuthConfig) (azcore.TokenCredential, error) {
 	opts := &azidentity.ClientSecretCredentialOptions{ClientOptions: *clientOpts}
 	return azidentity.NewClientSecretCredential(oAuthConfig.TenantID, oAuthConfig.ClientID, oAuthConfig.ClientSecret, opts)
@@ -326,7 +326,7 @@ func getAudience(cloud string) (string, error) {
 	}
 }
 
-// getCloudConfiguration returns the cloud Configuration which contains AAD endpoint for different clouds
+// getCloudConfiguration returns the cloud Configuration which contains AAD endpoint for different clouds.
 func getCloudConfiguration(c string) (cloud.Configuration, error) {
 	switch strings.ToLower(c) {
 	case strings.ToLower(AzureChina):

storage/remote/codec.go

@@ -475,7 +475,7 @@ func (c *concreteSeriesIterator) At() (t int64, v float64) {
 	return s.Timestamp, s.Value
 }
 
-// AtHistogram implements chunkenc.Iterator
+// AtHistogram implements chunkenc.Iterator.
 func (c *concreteSeriesIterator) AtHistogram() (int64, *histogram.Histogram) {
 	if c.curValType != chunkenc.ValHistogram {
 		panic("iterator is not on an integer histogram sample")
@@ -484,7 +484,7 @@ func (c *concreteSeriesIterator) AtHistogram() (int64, *histogram.Histogram) {
 	return h.Timestamp, HistogramProtoToHistogram(h)
 }
 
-// AtFloatHistogram implements chunkenc.Iterator
+// AtFloatHistogram implements chunkenc.Iterator.
 func (c *concreteSeriesIterator) AtFloatHistogram() (int64, *histogram.FloatHistogram) {
 	switch c.curValType {
 	case chunkenc.ValHistogram:
@@ -547,7 +547,7 @@ func (c *concreteSeriesIterator) Err() error {
 }
 
 // validateLabelsAndMetricName validates the label names/values and metric names returned from remote read,
-// also making sure that there are no labels with duplicate names
+// also making sure that there are no labels with duplicate names.
 func validateLabelsAndMetricName(ls []prompb.Label) error {
 	for i, l := range ls {
 		if l.Name == labels.MetricName && !model.IsValidMetricName(model.LabelValue(l.Value)) {
@@ -752,7 +752,7 @@ func spansToSpansProto(s []histogram.Span) []prompb.BucketSpan {
 	return spans
 }
 
-// LabelProtosToMetric unpack a []*prompb.Label to a model.Metric
+// LabelProtosToMetric unpack a []*prompb.Label to a model.Metric.
 func LabelProtosToMetric(labelPairs []*prompb.Label) model.Metric {
 	metric := make(model.Metric, len(labelPairs))
 	for _, l := range labelPairs {

storage/remote/otlptranslator/prometheus/normalize_label.go

@@ -8,13 +8,13 @@ import (
 	"unicode"
 )
 
-// Normalizes the specified label to follow Prometheus label names standard
+// Normalizes the specified label to follow Prometheus label names standard.
 //
 // See rules at https://prometheus.io/docs/concepts/data_model/#metric-names-and-labels
 //
-// Labels that start with non-letter rune will be prefixed with "key_"
+// Labels that start with non-letter rune will be prefixed with "key_".
 //
-// Exception is made for double-underscores which are allowed
+// Exception is made for double-underscores which are allowed.
 func NormalizeLabel(label string) string {
 	// Trivial case
 	if len(label) == 0 {
@@ -32,7 +32,7 @@ func NormalizeLabel(label string) string {
 	return label
 }
 
-// Return '_' for anything non-alphanumeric
+// Return '_' for anything non-alphanumeric.
 func sanitizeRune(r rune) rune {
 	if unicode.IsLetter(r) || unicode.IsDigit(r) {
 		return r

storage/remote/otlptranslator/prometheus/normalize_name.go

@@ -10,7 +10,7 @@ import (
 	"go.opentelemetry.io/collector/pdata/pmetric"
 )
 
-// The map to translate OTLP units to Prometheus units
+// The map to translate OTLP units to Prometheus units.
 // OTLP metrics use the c/s notation as specified at https://ucum.org/ucum.html
 // (See also https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/metrics/semantic_conventions/README.md#instrument-units)
 // Prometheus best practices for units: https://prometheus.io/docs/practices/naming/#base-units
@@ -57,8 +57,8 @@ var unitMap = map[string]string{
 	"$":   "dollars",
 }
 
-// The map that translates the "per" unit
-// Example: s => per second (singular)
+// The map that translates the "per" unit.
+// Example: s => per second (singular).
 var perUnitMap = map[string]string{
 	"s":  "second",
 	"m":  "minute",
@@ -69,7 +69,7 @@ var perUnitMap = map[string]string{
 	"y":  "year",
 }
 
-// Build a Prometheus-compliant metric name for the specified metric
+// Build a Prometheus-compliant metric name for the specified metric.
 //
 // Metric name is prefixed with specified namespace and underscore (if any).
 // Namespace is not cleaned up. Make sure specified namespace follows Prometheus
@@ -202,7 +202,7 @@ func removeSuffix(tokens []string, suffix string) []string {
 	return tokens
 }
 
-// Clean up specified string so it's Prometheus compliant
+// Clean up specified string so it's Prometheus compliant.
 func CleanUpString(s string) string {
 	return strings.Join(strings.FieldsFunc(s, func(r rune) bool { return !unicode.IsLetter(r) && !unicode.IsDigit(r) }), "_")
 }
@@ -211,8 +211,8 @@ func RemovePromForbiddenRunes(s string) string {
 	return strings.Join(strings.FieldsFunc(s, func(r rune) bool { return !unicode.IsLetter(r) && !unicode.IsDigit(r) && r != '_' && r != ':' }), "_")
 }
 
-// Retrieve the Prometheus "basic" unit corresponding to the specified "basic" unit
-// Returns the specified unit if not found in unitMap
+// Retrieve the Prometheus "basic" unit corresponding to the specified "basic" unit.
+// Returns the specified unit if not found in unitMap.
 func unitMapGetOrDefault(unit string) string {
 	if promUnit, ok := unitMap[unit]; ok {
 		return promUnit
@@ -220,8 +220,8 @@ func unitMapGetOrDefault(unit string) string {
 	return unit
 }
 
-// Retrieve the Prometheus "per" unit corresponding to the specified "per" unit
-// Returns the specified unit if not found in perUnitMap
+// Retrieve the Prometheus "per" unit corresponding to the specified "per" unit.
+// Returns the specified unit if not found in perUnitMap.
 func perUnitMapGetOrDefault(perUnit string) string {
 	if promPerUnit, ok := perUnitMap[perUnit]; ok {
 		return promPerUnit
@@ -229,7 +229,7 @@ func perUnitMapGetOrDefault(perUnit string) string {
 	return perUnit
 }
 
-// Returns whether the slice contains the specified value
+// Returns whether the slice contains the specified value.
 func contains(slice []string, value string) bool {
 	for _, sliceEntry := range slice {
 		if sliceEntry == value {
@@ -239,7 +239,7 @@ func contains(slice []string, value string) bool {
 	return false
 }
 
-// Remove the specified value from the slice
+// Remove the specified value from the slice.
 func removeItem(slice []string, value string) []string {
 	newSlice := make([]string, 0, len(slice))
 	for _, sliceEntry := range slice {

storage/remote/otlptranslator/prometheus/testutils_test.go

@@ -15,7 +15,7 @@ func init() {
 	ilm = resourceMetrics.ScopeMetrics().AppendEmpty()
 }
 
-// Returns a new Metric of type "Gauge" with specified name and unit
+// Returns a new Metric of type "Gauge" with specified name and unit.
 func createGauge(name, unit string) pmetric.Metric {
 	gauge := ilm.Metrics().AppendEmpty()
 	gauge.SetName(name)
@@ -24,7 +24,7 @@ func createGauge(name, unit string) pmetric.Metric {
 	return gauge
 }
 
-// Returns a new Metric of type Monotonic Sum with specified name and unit
+// Returns a new Metric of type Monotonic Sum with specified name and unit.
 func createCounter(name, unit string) pmetric.Metric {
 	counter := ilm.Metrics().AppendEmpty()
 	counter.SetEmptySum().SetIsMonotonic(true)

storage/remote/storage_test.go

@@ -125,7 +125,7 @@ func TestIgnoreExternalLabels(t *testing.T) {
 }
 
 // baseRemoteWriteConfig copy values from global Default Write config
-// to avoid change global state and cross impact test execution
+// to avoid change global state and cross impact test execution.
 func baseRemoteWriteConfig(host string) *config.RemoteWriteConfig {
 	cfg := config.DefaultRemoteWriteConfig
 	cfg.URL = &common_config.URL{
@@ -137,7 +137,7 @@ func baseRemoteWriteConfig(host string) *config.RemoteWriteConfig {
 }
 
 // baseRemoteReadConfig copy values from global Default Read config
-// to avoid change global state and cross impact test execution
+// to avoid change global state and cross impact test execution.
 func baseRemoteReadConfig(host string) *config.RemoteReadConfig {
 	cfg := config.DefaultRemoteReadConfig
 	cfg.URL = &common_config.URL{

tsdb/chunkenc/histogram_meta.go

@@ -284,7 +284,7 @@ loop:
 // cover an entirely different set of buckets. The function returns the
 // “forward” inserts to expand 'a' to also cover all the buckets exclusively
 // covered by 'b', and it returns the “backward” inserts to expand 'b' to also
-// cover all the buckets exclusively covered by 'a'
+// cover all the buckets exclusively covered by 'a'.
 func expandSpansBothWays(a, b []histogram.Span) (forward, backward []Insert, mergedSpans []histogram.Span) {
 	ai := newBucketIterator(a)
 	bi := newBucketIterator(b)

tsdb/chunks/chunks.go

@@ -93,13 +93,14 @@ func (p HeadChunkRef) Unpack() (HeadSeriesRef, HeadChunkID) {
 //
 // Example:
 // assume a memSeries.firstChunkID=7 and memSeries.mmappedChunks=[p5,p6,p7,p8,p9].
-// | HeadChunkID value | refers to ...                                                                          |
-// |-------------------|----------------------------------------------------------------------------------------|
-// |               0-6 | chunks that have been compacted to blocks, these won't return data for queries in Head |
-// |              7-11 | memSeries.mmappedChunks[i] where i is 0 to 4.                                          |
-// |                12 |                                                         *memChunk{next: nil}
-// |                13 |                                         *memChunk{next: ^}
-// |                14 | memSeries.headChunks -> *memChunk{next: ^}
+//
+//	| HeadChunkID value | refers to ...                                                                          |
+//	|-------------------|----------------------------------------------------------------------------------------|
+//	|               0-6 | chunks that have been compacted to blocks, these won't return data for queries in Head |
+//	|              7-11 | memSeries.mmappedChunks[i] where i is 0 to 4.                                          |
+//	|                12 |                                                         *memChunk{next: nil}
+//	|                13 |                                         *memChunk{next: ^}
+//	|                14 | memSeries.headChunks -> *memChunk{next: ^}
 type HeadChunkID uint64
 
 // BlockChunkRef refers to a chunk within a persisted block.
@@ -198,7 +199,7 @@ func ChunkFromSamplesGeneric(s Samples) (Meta, error) {
 	}, nil
 }
 
-// PopulatedChunk creates a chunk populated with samples every second starting at minTime
+// PopulatedChunk creates a chunk populated with samples every second starting at minTime.
 func PopulatedChunk(numSamples int, minTime int64) (Meta, error) {
 	samples := make([]Sample, numSamples)
 	for i := 0; i < numSamples; i++ {

tsdb/db_test.go

@@ -4403,7 +4403,7 @@ func TestOOOCompactionWithNormalCompaction(t *testing.T) {
 
 // TestOOOCompactionWithDisabledWriteLog tests the scenario where the TSDB is
 // configured to not have wal and wbl but its able to compact both the in-order
-// and out-of-order head
+// and out-of-order head.
 func TestOOOCompactionWithDisabledWriteLog(t *testing.T) {
 	dir := t.TempDir()
 	ctx := context.Background()

tsdb/head.go

@@ -1527,7 +1527,7 @@ func (h *Head) gc() (actualInOrderMint, minOOOTime int64, minMmapFile int) {
 	return actualInOrderMint, minOOOTime, minMmapFile
 }
 
-// Tombstones returns a new reader over the head's tombstones
+// Tombstones returns a new reader over the head's tombstones.
 func (h *Head) Tombstones() (tombstones.Reader, error) {
 	return h.tombstones, nil
 }
@@ -2171,7 +2171,7 @@ func overlapsClosedInterval(mint1, maxt1, mint2, maxt2 int64) bool {
 	return mint1 <= maxt2 && mint2 <= maxt1
 }
 
-// mmappedChunk describes a head chunk on disk that has been mmapped
+// mmappedChunk describes a head chunk on disk that has been mmapped.
 type mmappedChunk struct {
 	ref              chunks.ChunkDiskMapperRef
 	numSamples       uint16

tsdb/head_read.go

@@ -202,7 +202,7 @@ func (h *headIndexReader) Series(ref storage.SeriesRef, builder *labels.ScratchB
 
 // headChunkID returns the HeadChunkID referred to by the given position.
 // * 0 <= pos < len(s.mmappedChunks) refer to s.mmappedChunks[pos]
-// * pos >= len(s.mmappedChunks) refers to s.headChunks linked list
+// * pos >= len(s.mmappedChunks) refers to s.headChunks linked list.
 func (s *memSeries) headChunkID(pos int) chunks.HeadChunkID {
 	return chunks.HeadChunkID(pos) + s.firstChunkID
 }
@@ -596,7 +596,7 @@ var _ chunkenc.Chunk = &boundedChunk{}
 
 // boundedChunk is an implementation of chunkenc.Chunk that uses a
 // boundedIterator that only iterates through samples which timestamps are
-// >= minT and <= maxT
+// >= minT and <= maxT.
 type boundedChunk struct {
 	chunkenc.Chunk
 	minT int64
@@ -625,7 +625,7 @@ func (b boundedChunk) Iterator(iterator chunkenc.Iterator) chunkenc.Iterator {
 var _ chunkenc.Iterator = &boundedIterator{}
 
 // boundedIterator is an implementation of Iterator that only iterates through
-// samples which timestamps are >= minT and <= maxT
+// samples which timestamps are >= minT and <= maxT.
 type boundedIterator struct {
 	chunkenc.Iterator
 	minT int64
@@ -671,7 +671,7 @@ func (b boundedIterator) Seek(t int64) chunkenc.ValueType {
 	return b.Iterator.Seek(t)
 }
 
-// safeHeadChunk makes sure that the chunk can be accessed without a race condition
+// safeHeadChunk makes sure that the chunk can be accessed without a race condition.
 type safeHeadChunk struct {
 	chunkenc.Chunk
 	s        *memSeries

tsdb/index/index.go

@@ -1468,7 +1468,7 @@ func (r *Reader) SortedLabelValues(ctx context.Context, name string, matchers ..
 // LabelValues returns value tuples that exist for the given label name.
 // It is not safe to use the return value beyond the lifetime of the byte slice
 // passed into the Reader.
-// TODO(replay): Support filtering by matchers
+// TODO(replay): Support filtering by matchers.
 func (r *Reader) LabelValues(ctx context.Context, name string, matchers ...*labels.Matcher) ([]string, error) {
 	if len(matchers) > 0 {
 		return nil, errors.Errorf("matchers parameter is not implemented: %+v", matchers)
@@ -1729,7 +1729,7 @@ func (r *Reader) Size() int64 {
 }
 
 // LabelNames returns all the unique label names present in the index.
-// TODO(twilkie) implement support for matchers
+// TODO(twilkie) implement support for matchers.
 func (r *Reader) LabelNames(_ context.Context, matchers ...*labels.Matcher) ([]string, error) {
 	if len(matchers) > 0 {
 		return nil, errors.Errorf("matchers parameter is not implemented: %+v", matchers)

tsdb/ooo_head_read_test.go

@@ -39,7 +39,7 @@ type chunkInterval struct {
 	maxt int64
 }
 
-// permutateChunkIntervals returns all possible orders of the given chunkIntervals
+// permutateChunkIntervals returns all possible orders of the given chunkIntervals.
 func permutateChunkIntervals(in []chunkInterval, out [][]chunkInterval, left, right int) [][]chunkInterval {
 	if left == right {
 		inCopy := make([]chunkInterval, len(in))
@@ -871,9 +871,9 @@ func TestOOOHeadChunkReader_Chunk(t *testing.T) {
 // the response is consistent with the data seen by Series() even if the OOO
 // head receives more samples before Chunks() is called.
 // An example:
-// - Response A comes from: Series() then Chunk()
-// - Response B comes from : Series(), in parallel new samples added to the head, then Chunk()
-// - A == B
+//   - Response A comes from: Series() then Chunk()
+//   - Response B comes from : Series(), in parallel new samples added to the head, then Chunk()
+//   - A == B
 func TestOOOHeadChunkReader_Chunk_ConsistentQueryResponseDespiteOfHeadExpanding(t *testing.T) {
 	opts := DefaultOptions()
 	opts.OutOfOrderCapMax = 5

tsdb/ooo_head_test.go

@@ -21,7 +21,7 @@ import (
 
 const testMaxSize int = 32
 
-// Formulas chosen to make testing easy:
+// Formulas chosen to make testing easy.
 func valEven(pos int) int { return pos*2 + 2 } // s[0]=2, s[1]=4, s[2]=6, ..., s[31]=64 - Predictable pre-existing values
 func valOdd(pos int) int  { return pos*2 + 1 } // s[0]=1, s[1]=3, s[2]=5, ..., s[31]=63 - New values will interject at chosen position because they sort before the pre-existing vals.
 

tsdb/querier_test.go

@@ -100,8 +100,8 @@ type seriesSamples struct {
 	chunks [][]sample
 }
 
-// Index: labels -> postings -> chunkMetas -> chunkRef
-// ChunkReader: ref -> vals
+// Index: labels -> postings -> chunkMetas -> chunkRef.
+// ChunkReader: ref -> vals.
 func createIdxChkReaders(t *testing.T, tc []seriesSamples) (IndexReader, ChunkReader, int64, int64) {
 	sort.Slice(tc, func(i, j int) bool {
 		return labels.Compare(labels.FromMap(tc[i].lset), labels.FromMap(tc[i].lset)) < 0

tsdb/wlog/live_reader.go

@@ -174,7 +174,7 @@ func (r *LiveReader) Record() []byte {
 // Rebuild a full record from potentially partial records. Returns false
 // if there was an error or if we weren't able to read a record for any reason.
 // Returns true if we read a full record. Any record data is appended to
-// LiveReader.rec
+// LiveReader.rec.
 func (r *LiveReader) buildRecord() (bool, error) {
 	for {
 		// Check that we have data in the internal buffer to read.

tsdb/wlog/wlog.go

@@ -622,7 +622,8 @@ func (w *WL) flushPage(clear bool) error {
 }
 
 // First Byte of header format:
-// [3 bits unallocated] [1 bit zstd compression flag] [1 bit snappy compression flag] [3 bit record type ]
+//
+//	[3 bits unallocated] [1 bit zstd compression flag] [1 bit snappy compression flag] [3 bit record type ]
 const (
 	snappyMask  = 1 << 3
 	zstdMask    = 1 << 4
@@ -836,7 +837,7 @@ func (w *WL) fsync(f *Segment) error {
 
 // Sync forces a file sync on the current write log segment. This function is meant
 // to be used only on tests due to different behaviour on Operating Systems
-// like windows and linux
+// like windows and linux.
 func (w *WL) Sync() error {
 	return w.fsync(w.segment)
 }

util/runtime/statfs_default.go

@@ -21,7 +21,7 @@ import (
 	"syscall"
 )
 
-// Statfs returns the file system type (Unix only)
+// Statfs returns the file system type (Unix only).
 func Statfs(path string) string {
 	// Types of file systems that may be returned by `statfs`
 	fsTypes := map[int64]string{

util/testutil/context.go

@@ -15,18 +15,18 @@ package testutil
 
 import "time"
 
-// A MockContext provides a simple stub implementation of a Context
+// A MockContext provides a simple stub implementation of a Context.
 type MockContext struct {
 	Error  error
 	DoneCh chan struct{}
 }
 
-// Deadline always will return not set
+// Deadline always will return not set.
 func (c *MockContext) Deadline() (deadline time.Time, ok bool) {
 	return time.Time{}, false
 }
 
-// Done returns a read channel for listening to the Done event
+// Done returns a read channel for listening to the Done event.
 func (c *MockContext) Done() <-chan struct{} {
 	return c.DoneCh
 }
@@ -36,7 +36,7 @@ func (c *MockContext) Err() error {
 	return c.Error
 }
 
-// Value ignores the Value and always returns nil
+// Value ignores the Value and always returns nil.
 func (c *MockContext) Value(interface{}) interface{} {
 	return nil
 }

util/testutil/directory.go

@@ -33,7 +33,7 @@ const (
 	// NilCloser is a no-op Closer.
 	NilCloser = nilCloser(true)
 
-	// The number of times that a TemporaryDirectory will retry its removal
+	// The number of times that a TemporaryDirectory will retry its removal.
 	temporaryDirectoryRemoveRetries = 2
 )
 

web/api/v1/api.go

@@ -1294,12 +1294,12 @@ func (api *API) metricMetadata(r *http.Request) apiFuncResult {
 	return apiFuncResult{res, nil, nil, nil}
 }
 
-// RuleDiscovery has info for all rules
+// RuleDiscovery has info for all rules.
 type RuleDiscovery struct {
 	RuleGroups []*RuleGroup `json:"groups"`
 }
 
-// RuleGroup has info for rules which are part of a group
+// RuleGroup has info for rules which are part of a group.
 type RuleGroup struct {
 	Name string `json:"name"`
 	File string `json:"file"`

web/web.go

@@ -179,7 +179,7 @@ type LocalStorage interface {
 	api_v1.TSDBAdminStats
 }
 
-// Handler serves various HTTP endpoints of the Prometheus server
+// Handler serves various HTTP endpoints of the Prometheus server.
 type Handler struct {
 	logger log.Logger
 
@@ -215,7 +215,7 @@ type Handler struct {
 	ready atomic.Uint32 // ready is uint32 rather than boolean to be able to use atomic functions.
 }
 
-// ApplyConfig updates the config field of the Handler struct
+// ApplyConfig updates the config field of the Handler struct.
 func (h *Handler) ApplyConfig(conf *config.Config) error {
 	h.mtx.Lock()
 	defer h.mtx.Unlock()
@@ -522,7 +522,7 @@ func serveDebug(w http.ResponseWriter, req *http.Request) {
 	}
 }
 
-// SetReady sets the ready status of our web Handler
+// SetReady sets the ready status of our web Handler.
 func (h *Handler) SetReady(v bool) {
 	if v {
 		h.ready.Store(1)