try to get more tsic logs

Signed-off-by: Kristoffer Dalby <[email protected]>

integration/scenario.go

@@ -6,7 +6,6 @@ import (
 	"log"
 	"net/netip"
 	"os"
-	"os/exec"
 	"sort"
 	"sync"
 	"testing"
@@ -221,10 +220,20 @@ func (s *Scenario) ShutdownAssertNoPanics(t *testing.T) {
 	for userName, user := range s.users {
 		for _, client := range user.Clients {
 			log.Printf("removing client %s in user %s", client.Hostname(), userName)
-			err := client.Shutdown()
+			stdoutPath, stderrPath, err := client.Shutdown()
 			if err != nil {
 				log.Printf("failed to tear down client: %s", err)
 			}
+
+			if t != nil {
+				stdout, err := os.ReadFile(stdoutPath)
+				require.NoError(t, err)
+				assert.NotContains(t, string(stdout), "panic")
+
+				stderr, err := os.ReadFile(stderrPath)
+				require.NoError(t, err)
+				assert.NotContains(t, string(stderr), "panic")
+			}
 		}
 	}
 
@@ -398,24 +407,10 @@ func (s *Scenario) CreateTailscaleNodesInUser(
 				return nil
 			})
 		}
-		cmd := exec.Command("docker", "ps")
-		b, err := cmd.Output()
-		if err != nil {
-			return fmt.Errorf("failed to list docker containers: %w", err)
-		}
-		log.Printf("docker ps: %s", b)
-
 		if err := user.createWaitGroup.Wait(); err != nil {
 			return err
 		}
 
-		cmd = exec.Command("docker", "ps")
-		b, err = cmd.Output()
-		if err != nil {
-			return fmt.Errorf("failed to list docker containers: %w", err)
-		}
-		log.Printf("docker ps: %s", b)
-
 		log.Printf("testing versions %v, MustTestVersions %v", lo.Uniq(versions), MustTestVersions)
 
 		return nil

integration/tailscale.go

@@ -15,7 +15,7 @@ import (
 // nolint
 type TailscaleClient interface {
 	Hostname() string
-	Shutdown() error
+	Shutdown() (string, string, error)
 	Version() string
 	Execute(
 		command []string,