chore: enable linting of package import order, and fix existing issues

Author: LukeWinikates

.golangci.yaml

@@ -5,7 +5,7 @@ linters:
 #  - gosimple
   - govet
   - gofmt
-#  - gci
+  - gci
 #  - revive
 #  - ineffassign
 #  - staticcheck

internal/auth/csp_service.go

@@ -1,11 +1,12 @@
 package auth
 
 import (
-	"github.com/wavefronthq/wavefront-sdk-go/internal/auth/csp"
 	"log"
 	"net/http"
 	"sync"
 	"time"
+
+	"github.com/wavefronthq/wavefront-sdk-go/internal/auth/csp"
 )
 
 type tokenResult struct {

internal/auth/csp_service_test.go

@@ -1,12 +1,13 @@
 package auth
 
 import (
-	"github.com/stretchr/testify/assert"
-	"github.com/wavefronthq/wavefront-sdk-go/internal/auth/csp"
 	"net/http"
 	"net/http/httptest"
 	"testing"
 	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/wavefronthq/wavefront-sdk-go/internal/auth/csp"
 )
 
 func TestCSPService_MultipleCSPRequests(t *testing.T) {

internal/auth/ticker_interval_test.go

@@ -1,9 +1,10 @@
 package auth
 
 import (
-	"github.com/stretchr/testify/assert"
 	"testing"
 	"time"
+
+	"github.com/stretchr/testify/assert"
 )
 
 func TestCalculateNewTickerInterval(t *testing.T) {

internal/event/formatter.go

@@ -3,9 +3,10 @@ package event
 import (
 	"encoding/json"
 	"fmt"
+	"strconv"
+
 	"github.com/wavefronthq/wavefront-sdk-go/event"
 	"github.com/wavefronthq/wavefront-sdk-go/internal"
-	"strconv"
 )
 
 // Line encode the event to a wf proxy format

internal/histogram/formatter.go

@@ -4,9 +4,10 @@ import (
 	"bytes"
 	"errors"
 	"fmt"
+	"strconv"
+
 	"github.com/wavefronthq/wavefront-sdk-go/histogram"
 	"github.com/wavefronthq/wavefront-sdk-go/internal"
-	"strconv"
 )
 
 // Gets a histogram line in the Wavefront histogram data format:

internal/histogram/formatter_test.go

@@ -1,9 +1,10 @@
 package histogram
 
 import (
+	"testing"
+
 	"github.com/stretchr/testify/assert"
 	"github.com/wavefronthq/wavefront-sdk-go/histogram"
-	"testing"
 )
 
 var line string

internal/lines.go

@@ -3,14 +3,15 @@ package internal
 import (
 	"errors"
 	"fmt"
-	"github.com/wavefronthq/wavefront-sdk-go/internal/auth"
-	"github.com/wavefronthq/wavefront-sdk-go/internal/sdkmetrics"
 	"log"
 	"net/http"
 	"strings"
 	"sync"
 	"sync/atomic"
 	"time"
+
+	"github.com/wavefronthq/wavefront-sdk-go/internal/auth"
+	"github.com/wavefronthq/wavefront-sdk-go/internal/sdkmetrics"
 )
 
 const (

internal/lines_test.go

@@ -2,11 +2,11 @@ package internal
 
 import (
 	"fmt"
-	"github.com/wavefronthq/wavefront-sdk-go/internal/auth"
 	"net/http"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
+	"github.com/wavefronthq/wavefront-sdk-go/internal/auth"
 )
 
 type fakeReporter struct {

internal/metric/formatter.go

@@ -3,8 +3,9 @@ package metric
 import (
 	"errors"
 	"fmt"
-	"github.com/wavefronthq/wavefront-sdk-go/internal"
 	"strconv"
+
+	"github.com/wavefronthq/wavefront-sdk-go/internal"
 )
 
 // Gets a metric line in the Wavefront metrics data format: