github actions

.github/workflows/lint.yml

@@ -0,0 +1,52 @@
+name: Analysis
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v4
+        with:
+          go-version: '1.20'
+          cache: false
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v3
+        with:
+          # Require: The version of golangci-lint to use.
+          # When `install-mode` is `binary` (default) the value can be v1.2 or v1.2.3 or `latest` to use the latest version.
+          # When `install-mode` is `goinstall` the value can be v1.2.3, `latest`, or the hash of a commit.
+          version: v1.54
+
+          # Optional: working directory, useful for monorepos
+          # working-directory: somedir
+
+          # Optional: golangci-lint command line arguments.
+          #
+          # Note: By default, the `.golangci.yml` file should be at the root of the repository.
+          # The location of the configuration file can be changed by using `--config=`
+          # args: --timeout=30m --config=/my/path/.golangci.yml --issues-exit-code=0
+
+          # Optional: show only new issues if it's a pull request. The default value is `false`.
+          # only-new-issues: true
+
+          # Optional: if set to true, then all caching functionality will be completely disabled,
+          #           takes precedence over all other caching options.
+          # skip-cache: true
+
+          # Optional: if set to true, then the action won't cache or restore ~/go/pkg.
+          # skip-pkg-cache: true
+
+          # Optional: if set to true, then the action won't cache or restore ~/.cache/go-build.
+          # skip-build-cache: true
+
+          # Optional: The mode to install golangci-lint. It can be 'binary' or 'goinstall'.
+          # install-mode: "goinstall"

.github/workflows/build.yml → .github/workflows/test.yml

@@ -1,4 +1,4 @@
-name: Goals
+name: Test
 
 on:
   push:
@@ -13,23 +13,18 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-
-      - name: Set up Go
-        uses: actions/setup-go@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v4
         with:
-          go-version: 1.20
+          go-version: '^1.20'
+      - run: go version
 
       - name: Check out code
         uses: actions/checkout@v2
 
       - name: Build
         run: go build -v ./...
 
-      - name: Static Analysis
-        run: |
-          go install honnef.co/go/tools/cmd/[email protected]
-          staticcheck ./...
-
       - name: Test
         run: |
           CVPKG=$(go list ./... | grep -v mocks | tr '\n' ',')
@@ -46,11 +41,11 @@ jobs:
           else
             COLOR=orange
           fi
-          curl "https://img.shields.io/badge/coverage-$total%25-$COLOR" > ../.github/badges/coverage.svg
+          curl "https://img.shields.io/badge/coverage-$total%25-$COLOR" > .github/badges/coverage.svg
 
       - name: Commit and push the badge (if it changed)
-        uses: EndBug/add-and-commit@v7
+        uses: EndBug/add-and-commit@v9
         with:
-          default_author: github_actions
+          default_author: github_actor
           message: 'commit badge'
           add: '*.svg'

Makefile

@@ -0,0 +1,7 @@
+run:
+	export OTEL_EXPORTER_OTLP_METRICS_ENDPOINT=http://localhost:4317
+	go run main.go
+
+test:
+	go test
+	golangci-lint run

file_cache.go

@@ -2,7 +2,6 @@ package main
 
 import (
 	"encoding/json"
-	"io/ioutil"
 	"os"
 )
 
@@ -14,7 +13,7 @@ func NewSingleFileCache(location string) *SingleFileCache {
 	if _, err := os.Stat(location); os.IsNotExist(err) {
 		// Create an empty JSON file if it doesn't exist
 		data := []byte("{}")
-		err := ioutil.WriteFile(location, data, 0644)
+		err := os.WriteFile(location, data, 0644)
 		if err != nil {
 			panic(err)
 		}
@@ -27,7 +26,7 @@ func NewSingleFileCache(location string) *SingleFileCache {
 
 func (c *SingleFileCache) AddToCache(key string, value string) error {
 	// Read the existing cache
-	data, err := ioutil.ReadFile(c.location)
+	data, err := os.ReadFile(c.location)
 	if err != nil {
 		return err
 	}
@@ -48,7 +47,7 @@ func (c *SingleFileCache) AddToCache(key string, value string) error {
 		return err
 	}
 
-	err = ioutil.WriteFile(c.location, updatedData, 0644)
+	err = os.WriteFile(c.location, updatedData, 0644)
 	if err != nil {
 		return err
 	}
@@ -58,7 +57,7 @@ func (c *SingleFileCache) AddToCache(key string, value string) error {
 
 func (c *SingleFileCache) RetrieveValue(key string) (string, error) {
 	// Read the existing cache
-	data, err := ioutil.ReadFile(c.location)
+	data, err := os.ReadFile(c.location)
 	if err != nil {
 		return "", err
 	}

file_cache_test.go

@@ -7,10 +7,21 @@ import (
 
 func TestCacheAdd(t *testing.T) {
 	cache := NewSingleFileCache("test-cache")
-	cache.AddToCache("test", "value")
-	value, _ := cache.RetrieveValue("test")
+	err := cache.AddToCache("test", "value")
+	if err != nil {
+		t.Failed()
+	}
+
+	value, err := cache.RetrieveValue("test")
+	if err != nil {
+		t.Failed()
+	}
+
 	assert.Equal(t, "value", value)
 	empty, _ := cache.RetrieveValue("not existent")
 	assert.Empty(t, empty)
-	cache.DeleteCache()
+	err = cache.DeleteCache()
+	if err != nil {
+		t.Failed()
+	}
 }

github_client.go

@@ -4,7 +4,7 @@ import (
 	"encoding/base64"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 )
 
@@ -44,7 +44,7 @@ func (c *GitHubClient) GetMostRecentCommit(repo, timestamp, branch string) (stri
 
 	if response.StatusCode == http.StatusOK {
 		defer response.Body.Close()
-		body, err := ioutil.ReadAll(response.Body)
+		body, err := io.ReadAll(response.Body)
 		if err != nil {
 			return "", err
 		}
@@ -80,7 +80,7 @@ func (c *GitHubClient) GetFileAtCommit(repository, filepath, commitSHA string) (
 
 	if response.StatusCode == http.StatusOK {
 		defer response.Body.Close()
-		body, err := ioutil.ReadAll(response.Body)
+		body, err := io.ReadAll(response.Body)
 		if err != nil {
 			return "", err
 		}

grafana_dashboard.go

@@ -26,7 +26,10 @@ func generateDashboard(metrics []string) {
 
 	// Update Dashboard based on metrics
 	dashboard := generateDashboardJson(strings.Join(panels, ","))
-	os.WriteFile("grafana/dashboards/instrumentation-benchmarks.json", []byte(dashboard), 0644)
+	err := os.WriteFile("grafana/dashboards/instrumentation-benchmarks.json", []byte(dashboard), 0644)
+	if err != nil {
+		panic(err)
+	}
 }
 
 func generateDashboardJson(panels string) string {

main.go

@@ -30,7 +30,10 @@ func main() {
 		cached, _ := commitCache.RetrieveValue(timestamp)
 		if cached == "" {
 			commit, _ = client.GetMostRecentCommit(repo, timestamp, "gh-pages")
-			commitCache.AddToCache(timestamp, commit)
+			err := commitCache.AddToCache(timestamp, commit)
+			if err != nil {
+				fmt.Println("Error adding to cache")
+			}
 		} else {
 			commit = cached
 		}
@@ -39,7 +42,10 @@ func main() {
 		cached, _ = reportCache.RetrieveValue(timestamp)
 		if cached == "" {
 			contents, _ = client.GetFileAtCommit(repo, filePath, commit)
-			reportCache.AddToCache(timestamp, contents)
+			err := reportCache.AddToCache(timestamp, contents)
+			if err != nil {
+				fmt.Println("Error adding to cache")
+			}
 		} else {
 			contents = cached
 		}
@@ -83,7 +89,7 @@ func main() {
 	otel.SetMeterProvider(meterProvider)
 
 	// export to collector
-	fmt.Sprintf("Exporting metrics")
+	fmt.Println("Exporting metrics")
 	_ = exp.Export(ctx, resourceMetrics)
 
 	// Update Dashboard based on metrics

report_parser_test.go

@@ -1,8 +1,7 @@
 package main
 
 import (
-	"fmt"
-	"reflect"
+	"github.com/stretchr/testify/assert"
 	"testing"
 )
 
@@ -36,29 +35,27 @@ Peak threads        :                42               53               55`
 func TestParseDateFromSummary(t *testing.T) {
 	expected := "2023-09-01"
 	result := ParseReport(report)
-	if expected != result.Date.Format("2006-01-02") {
-		t.Errorf(fmt.Sprintf("should be equal %s %s", expected, result.Date))
-	}
+	assert.Equal(t, expected, result.Date.Format("2006-01-02"))
 }
 
 func TestParseConfigsFromReport(t *testing.T) {
-	expected := []string{"none", "latest", "snapshot"}
+	expected := []string{"latest", "snapshot", "none"}
 	result := ParseReport(report)
-	if reflect.DeepEqual(expected, result) {
-		t.Errorf(fmt.Sprintf("should be equal"))
+
+	var entities []string
+	for entity := range result.Metrics {
+		entities = append(entities, entity)
 	}
+
+	assert.ElementsMatch(t, expected, entities)
 }
 
 func TestParseMetricsFromReport(t *testing.T) {
 	expected := 92.64
 	result := ParseReport(report).Metrics["none"]["Min heap used (MB)"]
-	if expected != result {
-		t.Errorf(fmt.Sprintf("should be equal"))
-	}
+	assert.Equal(t, expected, result)
 
 	expected = 53
 	result = ParseReport(report).Metrics["latest"]["Peak threads"]
-	if expected != result {
-		t.Errorf(fmt.Sprintf("should be equal"))
-	}
+	assert.Equal(t, expected, result)
 }

utilities.go

@@ -7,18 +7,22 @@ import (
 	"time"
 )
 
+var (
+	layout = "2006-01-02"
+)
+
 func generateTimeframeToToday(start string, interval int) ([]string, error) {
 	currentTime := time.Now()
-	return generateTimeframeSlice(start, currentTime.Format("2006-01-02"), interval)
+	return generateTimeframeSlice(start, currentTime.Format(layout), interval)
 }
 
 func generateTimeframeSlice(start, end string, interval int) ([]string, error) {
-	startDate, err := time.Parse("2006-01-02", start)
+	startDate, err := time.Parse(layout, start)
 	if err != nil {
 		return nil, fmt.Errorf("failed to parse start date: %v", err)
 	}
 
-	endDate, err := time.Parse("2006-01-02", end)
+	endDate, err := time.Parse(layout, end)
 	if err != nil {
 		return nil, fmt.Errorf("failed to parse end date: %v", err)
 	}
@@ -28,7 +32,7 @@ func generateTimeframeSlice(start, end string, interval int) ([]string, error) {
 	// Increment the start date by the interval until it reaches or exceeds the end date
 	currentDate := startDate
 	for currentDate.Before(endDate) || currentDate.Equal(endDate) {
-		dateList = append(dateList, currentDate.Format("2006-01-02"))
+		dateList = append(dateList, currentDate.Format(layout))
 		currentDate = currentDate.AddDate(0, 0, interval)
 	}
 

utilities_test.go

@@ -1,8 +1,7 @@
 package main
 
 import (
-	"fmt"
-	"reflect"
+	"github.com/stretchr/testify/assert"
 	"testing"
 )
 
@@ -12,25 +11,19 @@ func TestGenerateTimeframeSlice(t *testing.T) {
 	interval := 1
 	expected := []string{"2023-09-20", "2023-09-21", "2023-09-22", "2023-09-23"}
 	result, _ := generateTimeframeSlice(start, end, interval)
-	if !reflect.DeepEqual(expected, result) {
-		t.Errorf(fmt.Sprintf("should be equal %s %s", expected, result))
-	}
+	assert.Equal(t, expected, result)
 }
 
 func TestConvertDateFormat(t *testing.T) {
 	start := "Fri Sep 01 05:16:59 UTC 2023"
 	expected := "2023-09-01"
 	result := convertDateFormat(start)
-	if !reflect.DeepEqual(expected, result) {
-		t.Errorf(fmt.Sprintf("should be equal %s %s", expected, result))
-	}
+	assert.Equal(t, expected, result.Format("2006-01-02"))
 }
 
 func TestSplitByMultipleSpaces(t *testing.T) {
 	start := `            111.87           129.19           129.52`
 	expected := []string{"111.87", "129.19", "129.52"}
 	result := splitByMultipleSpaces(start)
-	if !reflect.DeepEqual(expected, result) {
-		t.Errorf(fmt.Sprintf("should be equal %s %s", expected, result))
-	}
+	assert.Equal(t, expected, result)
 }