Use report command from elastic-package (elastic#4649)

Author: marc-gr

.ci/Jenkinsfile

@@ -112,7 +112,7 @@ pipeline {
                                 ''')
                               sh(label: "Benchmark integration: ${it}", script: '''
                                 eval "$(../../build/elastic-package stack shellinit)"
-                                ../../build/elastic-package benchmark -v --report-format xUnit --report-output file
+                                ../../build/elastic-package benchmark -v --report-format json --report-output file
                                 ''')
                             }
                           }
@@ -178,9 +178,9 @@ def gitHubCommentWithBenchmarkReport() {
     def benchmarkResults = 'benchmark-results'
     def currentBenchmarkResults = "build/${benchmarkResults}"
     def baseline = "build/${env.CHANGE_TARGET}/${benchmarkResults}"
-    def detailLevel = "short"
+    def isFullReport = "false"
     if (env.GITHUB_COMMENT?.contains('benchmark fullreport')) {
-      detailLevel = "full"
+      isFullReport = "true"
     }
     dir("${BASE_DIR}") {
       // download artifacts for this PR
@@ -207,9 +207,7 @@ def gitHubCommentWithBenchmarkReport() {
       }
 
       // run the benchmark diff generator
-      withMageEnv(){
-        sh(label: 'mage GetGithubMarkdownBenchReport', script: "mage GetGithubMarkdownBenchReport ${currentBenchmarkResults} ${baseline} ${env.BENCHMARK_THRESHOLD} ${benchmarkGitHubFile} ${detailLevel}")
-      }
+      sh(label: 'elastic-package report benchmark', script: "elastic-package report benchmark --fail-on-missing=false --new=\"${currentBenchmarkResults}\" --old=\"${baseline}\" --threshold=${env.BENCHMARK_THRESHOLD} --report-output-path=\"${benchmarkGitHubFile}\" --full=${isFullReport}")
 
       // report back with a github comment the benchmark diff
       try {

dev/benchreport/benchmark.go

@@ -10,13 +10,11 @@ import (
 	"io"
 	"os"
 	"path/filepath"
-	"strconv"
 
 	"github.com/magefile/mage/mg"
 	"github.com/magefile/mage/sh"
 	"github.com/pkg/errors"
 
-	"github.com/elastic/integrations/dev/benchreport"
 	"github.com/elastic/integrations/dev/codeowners"
 )
 
@@ -53,19 +51,6 @@ func ImportBeats() error {
 	return sh.Run("go", args...)
 }
 
-func GetGithubMarkdownBenchReport(source, target, threshold, outputFile, detailLevel string) error {
-	t, err := strconv.ParseFloat(threshold, 64)
-	if err != nil {
-		return err
-	}
-	isFull := detailLevel == "full"
-	report, err := benchreport.GetBenchReport(source, target, t, isFull)
-	if err != nil {
-		return err
-	}
-	return os.WriteFile(outputFile, report, 0644)
-}
-
 func build() error {
 	mg.Deps(buildImportBeats)
 	return nil