Added lint rule for checking exported methods (#571)

* Added lint rule for checking exported methods

Signed-off-by: Corbin Phelps <corbin.phelps@bluemedora.com>

* Fixed uncommented journald

Signed-off-by: Corbin Phelps <corbin.phelps@bluemedora.com>

operator/buffer/buffer.go

@@ -71,14 +71,17 @@ func (bc *Config) unmarshal(unmarshal func(interface{}) error) error {
 	}
 }
 
+// MarshalYAML marshals YAML
 func (bc Config) MarshalYAML() (interface{}, error) {
 	return bc.Builder, nil
 }
 
+// MarshalJSON marshals JSON
 func (bc Config) MarshalJSON() ([]byte, error) {
 	return json.Marshal(bc.Builder)
 }
 
+// Clearer is an interface that is responsible for clearing entries from a buffer
 type Clearer interface {
 	MarkAllAsFlushed() error
 	MarkRangeAsFlushed(uint, uint) error

operator/buffer/disk.go

@@ -316,24 +316,28 @@ func (d *DiskBuffer) Read(dst []*entry.Entry) (f Clearer, i int, err error) {
 	return d.newClearer(newRead), readCount, nil
 }
 
+// MaxChunkSize returns the max chunk size
 func (d *DiskBuffer) MaxChunkSize() uint {
 	d.reconfigMutex.RLock()
 	defer d.reconfigMutex.RUnlock()
 	return d.maxChunkSize
 }
 
+// MaxChunkDelay returns the max chunk delay
 func (d *DiskBuffer) MaxChunkDelay() time.Duration {
 	d.reconfigMutex.RLock()
 	defer d.reconfigMutex.RUnlock()
 	return d.maxChunkDelay
 }
 
+// SetMaxChunkSize sets the max chunk size
 func (d *DiskBuffer) SetMaxChunkSize(size uint) {
 	d.reconfigMutex.Lock()
 	d.maxChunkSize = size
 	d.reconfigMutex.Unlock()
 }
 
+// SetMaxChunkDelay sets the max chunk delay
 func (d *DiskBuffer) SetMaxChunkDelay(delay time.Duration) {
 	d.reconfigMutex.Lock()
 	d.maxChunkDelay = delay

operator/buffer/memory.go

@@ -146,24 +146,28 @@ func (m *MemoryBuffer) ReadWait(ctx context.Context, dst []*entry.Entry) (Cleare
 	return m.newClearer(inFlightIDs[:i]), i, nil
 }
 
+// MaxChunkSize returns the max chunk size
 func (m *MemoryBuffer) MaxChunkSize() uint {
 	m.reconfigMutex.RLock()
 	defer m.reconfigMutex.RUnlock()
 	return m.maxChunkSize
 }
 
+// MaxChunkDelay returns the max chunk delay
 func (m *MemoryBuffer) MaxChunkDelay() time.Duration {
 	m.reconfigMutex.RLock()
 	defer m.reconfigMutex.RUnlock()
 	return m.maxChunkDelay
 }
 
+// SetMaxChunkSize sets the max chunk size
 func (m *MemoryBuffer) SetMaxChunkSize(size uint) {
 	m.reconfigMutex.Lock()
 	m.maxChunkSize = size
 	m.reconfigMutex.Unlock()
 }
 
+// SetMaxChunkDelay sets the max chunk delay
 func (m *MemoryBuffer) SetMaxChunkDelay(delay time.Duration) {
 	m.reconfigMutex.Lock()
 	m.maxChunkDelay = delay

operator/builtin/input/aws/cloudwatch/cloudwatch_persist.go

@@ -7,11 +7,12 @@ import (
 	"github.com/observiq/stanza/operator/helper"
 )
 
+// Persister ensures data is persisted across shutdowns
 type Persister struct {
 	DB helper.Persister
 }
 
-// Helper function to get persisted data
+// Read is a helper function to get persisted data
 func (p *Persister) Read(key string) (int64, error) {
 	var startTime int64
 	buffer := bytes.NewBuffer(p.DB.Get(key))
@@ -22,7 +23,7 @@ func (p *Persister) Read(key string) (int64, error) {
 	return startTime, nil
 }
 
-// Helper function to set persisted data
+// Write is a helper function to set persisted data
 func (p *Persister) Write(key string, value int64) {
 	var buf = make([]byte, 8)
 	binary.BigEndian.PutUint64(buf, uint64(value))

operator/builtin/input/azure/event_hub.go

@@ -9,7 +9,7 @@ import (
 	"go.uber.org/zap"
 )
 
-// Eventhub provides methods for reading events from Azure Event Hub.
+// EventHub provides methods for reading events from Azure Event Hub.
 type EventHub struct {
 	AzureConfig
 	Persist *Persister

operator/builtin/input/azure/event_hub_config.go

@@ -24,6 +24,7 @@ type AzureConfig struct {
 	startAtBeginning bool
 }
 
+// Build will build an Azure EventHub input operator
 func (a *AzureConfig) Build(buildContext operator.BuildContext, input helper.InputConfig) error {
 	inputOperator, err := input.Build(buildContext)
 	if err != nil {

operator/builtin/input/file/finder.go

@@ -18,6 +18,7 @@ import (
 	"github.com/bmatcuk/doublestar/v3"
 )
 
+// Finder is responsible for find files according to the include and exclude rules
 type Finder struct {
 	Include []string `mapstructure:"include,omitempty" json:"include,omitempty" yaml:"include,omitempty"`
 	Exclude []string `mapstructure:"exclude,omitempty" json:"exclude,omitempty" yaml:"exclude,omitempty"`

operator/builtin/input/http/config.go

@@ -14,8 +14,13 @@ import (
 )
 
 const (
-	DefaultTimeout     = time.Second * 20
+	// DefaultTimeout is the default timeout for reads and writes
+	DefaultTimeout = time.Second * 20
+
+	// DefaultIdleTimeout default timeout for idle
 	DefaultIdleTimeout = time.Second * 60
+
+	// DefaultMaxBodySize default maximum body size.
 	DefaultMaxBodySize = 10000000 // 10 megabyte
 )
 

operator/builtin/input/journald/journald.go

@@ -1,3 +1,4 @@
+//go:build linux
 // +build linux
 
 package journald
@@ -25,6 +26,7 @@ func init() {
 	operator.Register("journald_input", func() operator.Builder { return NewJournaldInputConfig("") })
 }
 
+// NewJournaldInputConfig creates a new config for Journald Input
 func NewJournaldInputConfig(operatorID string) *JournaldInputConfig {
 	return &JournaldInputConfig{
 		InputConfig:  helper.NewInputConfig(operatorID, "journald_input"),

operator/builtin/parser/csv/csv.go

@@ -116,6 +116,7 @@ func (r *CSVParser) Process(ctx context.Context, e *entry.Entry) error {
 	return r.ParserOperator.ProcessWith(ctx, e, r.parse)
 }
 
+// ParseFunc is the function that will parse the log entry by CSV
 type ParseFunc func(interface{}) (interface{}, error)
 
 // generateParseFunc returns a parse function for a given header, allowing

operator/builtin/transformer/recombine/recombine.go

@@ -109,10 +109,12 @@ type RecombineOperator struct {
 	batch []*entry.Entry
 }
 
+// Start will start the processing log entries
 func (r *RecombineOperator) Start() error {
 	return nil
 }
 
+// Stop will stop processing log entries
 func (r *RecombineOperator) Stop() error {
 	r.Lock()
 	defer r.Unlock()
@@ -123,6 +125,7 @@ func (r *RecombineOperator) Stop() error {
 	return nil
 }
 
+// Process processes a log entry to be combined
 func (r *RecombineOperator) Process(ctx context.Context, e *entry.Entry) error {
 	// Lock the recombine operator because process can't run concurrently
 	r.Lock()

operator/helper/bytesize.go

@@ -8,14 +8,17 @@ import (
 	"strings"
 )
 
+// ByteSize type for modeling Byte sizes
 type ByteSize int64
 
+// UnmarshalJSON unmarshals JSON
 func (h *ByteSize) UnmarshalJSON(raw []byte) error {
 	return h.unmarshalShared(func(i interface{}) error {
 		return json.Unmarshal(raw, &i)
 	})
 }
 
+// UnmarshalYAML unmarshals YAML
 func (h *ByteSize) UnmarshalYAML(unmarshal func(interface{}) error) error {
 	return h.unmarshalShared(unmarshal)
 }

operator/helper/encoding.go

@@ -52,6 +52,7 @@ func (c EncodingConfig) Build(_ operator.BuildContext) (Encoding, error) {
 	}, nil
 }
 
+// Encoding represents an text encoding
 type Encoding struct {
 	Encoding encoding.Encoding
 }

operator/helper/multiline.go

@@ -11,7 +11,7 @@ import (
 	"golang.org/x/text/encoding"
 )
 
-// NewBasicConfig creates a new Multiline config
+// NewMultilineConfig creates a new Multiline config
 func NewMultilineConfig() MultilineConfig {
 	return MultilineConfig{
 		LineStartPattern: "",

operator/helper/parser.go

@@ -76,6 +76,7 @@ func (p *ParserOperator) ProcessWith(ctx context.Context, entry *entry.Entry, pa
 	return p.ProcessWithCallback(ctx, entry, parse, nil)
 }
 
+// ProcessWithCallback processes and entry and executes the call back
 func (p *ParserOperator) ProcessWithCallback(ctx context.Context, entry *entry.Entry, parse ParseFunction, cb func(*entry.Entry) error) error {
 	// Short circuit if the "if" condition does not match
 	skip, err := p.Skip(ctx, entry)

operator/helper/transformer.go

@@ -100,6 +100,7 @@ func (t *TransformerOperator) HandleEntryError(ctx context.Context, entry *entry
 	return err
 }
 
+// Skip if entry doesn't match expression
 func (t *TransformerOperator) Skip(_ context.Context, entry *entry.Entry) (bool, error) {
 	if t.IfExpr == nil {
 		return false, nil

operator/helper/writer.go

@@ -108,6 +108,7 @@ func (w *WriterOperator) findOperator(operators []operator.Operator, operatorID
 // OutputIDs is a collection of operator IDs used as outputs.
 type OutputIDs []string
 
+// WithNamespace adds namespace
 func (o OutputIDs) WithNamespace(bc operator.BuildContext) OutputIDs {
 	namespacedIDs := make([]string, 0, len(o))
 	for _, id := range o {

plugin/config.go

@@ -22,7 +22,7 @@ type Config struct {
 	Parameters map[string]interface{} `json:",squash" yaml:",squash"`
 }
 
-// BuildMulti implements operator.MultiBuilder
+// Build implements operator.MultiBuilder
 func (c *Config) Build(bc operator.BuildContext) ([]operator.Operator, error) {
 	if bc.PluginDepth > 10 {
 		return nil, errors.NewError("reached max plugin depth", "ensure that there are no recursive dependencies in plugins")
@@ -71,6 +71,7 @@ func (c *Config) yamlOutputs(bc operator.BuildContext) string {
 	return fmt.Sprintf("[%s]", strings.Join(namespacedOutputs, ","))
 }
 
+// UnmarshalJSON unmarshals JSON
 func (c *Config) UnmarshalJSON(raw []byte) error {
 	var m map[string]interface{}
 	if err := json.Unmarshal(raw, &m); err != nil {

revive/config.toml

@@ -27,3 +27,5 @@ warningCode = 1
 [rule.unused-parameter]
 [rule.unreachable-code]
 [rule.redefines-builtin-id]
+[rule.exported]
+    arguments=["disableStutteringCheck"]

version/version.go

@@ -3,8 +3,11 @@ package version
 import "fmt"
 
 var (
+	// GitCommit set externally of the git commit this was built on
 	GitCommit string
-	GitTag    string
+
+	// GitTag set externally of the git tag this was built on
+	GitTag string
 )
 
 // GetVersion returns the version of the stanza library