start-container-docker.sh: Try to continue if docker run returns an error

In some cases, docker run returns a session_id, but it seems it
returns an error code (or maybe ssh does). Try to continue if a
session_id was generated, and print some information to help debug.

Change-Id: I8eaa81cafe8b8dc3da5bbedf6537a97537d3c7a3

1 files changed, 10 insertions, 1 deletions

diff --git a/start-container-docker.sh b/start-container-docker.sh
index dfcff4ee..2f10e5df 100755
--- a/start-container-docker.sh
+++ b/start-container-docker.sh
@@ -254,9 +254,18 @@ docker_run=($DOCKER run --name $session_name -dtP \
 		 ${docker_opts} \
 		 $image)
 echo "${docker_run[@]}"
-session_id=$("${docker_run[@]}")
+
+# FIXME: It seems in some cases $DOCKER run generates a session_id but
+# returns an error code. Try to get more information
+ret=0
+session_id=$("${docker_run[@]}") || ret=$?
+
+if [ $ret -ne 0 ]; then
+    echo "WARNING: docker run returned an error: $ret, trying to continue nonetheless..."
+fi
 
 if [ x"$session_id" = x ]; then
+    echo "ERROR: could not create session_id"
     exit 1
 fi