TUN-8734: add log collection for kubernetes

## Summary
Adds the log collector for K8s based deployments.

Closes TUN-8734

diagnostic/log_collector_docker.go

@@ -3,7 +3,6 @@ package diagnostic
 import (
 	"context"
 	"fmt"
-	"io"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -44,40 +43,5 @@ func (collector *DockerLogCollector) Collect(ctx context.Context) (*LogInformati
 		collector.containerID,
 	)
 
-	stdoutReader, err := command.StdoutPipe()
-	if err != nil {
-		return nil, fmt.Errorf(
-			"error retrieving output from command '%s': %w",
-			command.String(),
-			err,
-		)
-	}
-
-	if err := command.Start(); err != nil {
-		return nil, fmt.Errorf(
-			"error running command '%s': %w",
-			command.String(),
-			err,
-		)
-	}
-
-	_, err = io.Copy(outputHandle, stdoutReader)
-	if err != nil {
-		return nil, fmt.Errorf(
-			"error copying output from %s to file %s: %w",
-			command.String(),
-			outputHandle.Name(),
-			err,
-		)
-	}
-
-	if err := command.Wait(); err != nil {
-		return nil, fmt.Errorf(
-			"error waiting from command '%s': %w",
-			command.String(),
-			err,
-		)
-	}
-
-	return NewLogInformation(outputHandle.Name(), true, false), nil
+	return PipeCommandOutputToFile(command, outputHandle)
 }