log info only once

docker.go

@@ -15,6 +15,7 @@ import (
 	"os/exec"
 	"path/filepath"
 	"strings"
+	"sync"
 	"time"
 
 	"github.com/docker/docker/api/types/filters"
@@ -40,6 +41,7 @@ var (
 	// Implement interfaces
 	_ Container = (*DockerContainer)(nil)
 
+	logOnce                 sync.Once
 	ErrDuplicateMountTarget = errors.New("duplicate mount target detected")
 )
 
@@ -771,26 +773,28 @@ func NewDockerProvider(provOpts ...DockerProviderOption) (*DockerProvider, error
 		config:                tcConfig,
 	}
 
-	// log docker server info
-	{
-		infoMessage := `%v - Connected to docker: 
+	// log docker server info only once
+	logOnce.Do(p.logDockerServerInfo)
+
+	return p, nil
+}
+
+func (p *DockerProvider) logDockerServerInfo() {
+	infoMessage := `%v - Connected to docker: 
   Server Version: %v
   API Version: %v
   Operating System: %v
   Total Memory: %v MB
 `
 
-		info, err := p.client.Info(context.Background())
-		if err != nil {
-			return nil, err
-		}
-
-		p.Logger.Printf(infoMessage, packagePath,
-			info.ServerVersion, p.client.ClientVersion(),
-			info.OperatingSystem, info.MemTotal/1024/1024)
+	info, err := p.client.Info(context.Background())
+	if err != nil {
+		p.Logger.Printf("failed getting information about docker server: %s", err)
 	}
 
-	return p, nil
+	p.Logger.Printf(infoMessage, packagePath,
+		info.ServerVersion, p.client.ClientVersion(),
+		info.OperatingSystem, info.MemTotal/1024/1024)
 }
 
 // configureTC reads from testcontainers properties file, if it exists