Add build tags for coverage

Signed-off-by: Derek Nola <[email protected]>

pkg/server/cover.go

@@ -0,0 +1,32 @@
+//go:build cover
+
+package server
+
+import (
+	"context"
+	"os"
+	"runtime/coverage"
+	"time"
+
+	"github.com/sirupsen/logrus"
+)
+
+// writeCoverage checks if GOCOVERDIR is set on startup and writes coverage files to that directory
+// every 20 seconds. This is done to ensure that the coverage files are written even if the process is killed.
+func writeCoverage(ctx context.Context) {
+	if k, ok := os.LookupEnv("GOCOVERDIR"); ok {
+		for {
+			select {
+			case <-ctx.Done():
+				if err := coverage.WriteCountersDir(k); err != nil {
+					logrus.Warn(err)
+				}
+				return
+			case <-time.After(20 * time.Second):
+				if err := coverage.WriteCountersDir(k); err != nil {
+					logrus.Warn(err)
+				}
+			}
+		}
+	}
+}

pkg/server/no_cover.go

@@ -0,0 +1,7 @@
+//go:build !cover
+
+package server
+
+import "context"
+
+func writeCoverage(ctx context.Context) {}

pkg/server/server.go

@@ -6,7 +6,6 @@ import (
 	"os"
 	"path"
 	"path/filepath"
-	"runtime/coverage"
 	"runtime/debug"
 	"strconv"
 	"strings"
@@ -99,26 +98,6 @@ func startOnAPIServerReady(ctx context.Context, config *Config) {
 	}
 }
 
-// writeCoverage checks if GOCOVERDIR is set on startup and writes coverage files to that directory
-// every 20 seconds. This is done to ensure that the coverage files are written even if the process is killed.
-func writeCoverage(ctx context.Context) {
-	if k, ok := os.LookupEnv("GOCOVERDIR"); ok {
-		for {
-			select {
-			case <-ctx.Done():
-				if err := coverage.WriteCountersDir(k); err != nil {
-					logrus.Warn(err)
-				}
-				return
-			case <-time.After(20 * time.Second):
-				if err := coverage.WriteCountersDir(k); err != nil {
-					logrus.Warn(err)
-				}
-			}
-		}
-	}
-}
-
 func runControllers(ctx context.Context, config *Config) error {
 	controlConfig := &config.ControlConfig
 

scripts/build

@@ -54,9 +54,6 @@ VERSIONFLAGS="
 
     -X ${PKG_ETCD}/api/version.GitSHA=HEAD
 "
-if [ -n "${GOCOVER}" ]; then
-    BLDFLAGS="-cover"
-fi
 if [ -n "${DEBUG}" ]; then
   GCFLAGS="-N -l"
 else
@@ -83,6 +80,11 @@ else
     TAGS="static_build libsqlite3 $TAGS"
 fi
 
+if [ -n "${GOCOVER}" ]; then
+    BLDFLAGS="-cover"
+    TAGS="cover $TAGS"
+fi
+
 mkdir -p bin
 
 if [ ${ARCH} = armv7l ] || [ ${ARCH} = arm ]; then