Avoid port conflicts (#93)

cloudposse · Nov 17, 2017 · 8191796 · 8191796
1 parent 7b3ea7b
commit 8191796
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/rootfs/templates/wrapper b/rootfs/templates/wrapper
@@ -9,7 +9,7 @@ fi
 set -o pipefail
 
 # Geodesic Settings
-export GEODESIC_PORT=${GEODESIC_PORT:-8001}
+export GEODESIC_PORT=${GEODESIC_PORT:-$((30000 + $$%30000))}
 
 STATE_DIR=${STATE_DIR:-${HOME}/.geodesic}
 OS=$(uname -s)
@@ -116,6 +116,7 @@ function use() {
     docker exec -it "${DOCKER_NAME}" $*
   else
     echo "# Starting new ${DOCKER_NAME} session from ${DOCKER_IMAGE}"
+    echo "# Exposing port ${GEODESIC_PORT}"
     docker run "${DOCKER_ARGS[@]}" ${DOCKER_IMAGE} -l $*
   fi
 }
@@ -217,6 +218,10 @@ else
   export DOCKER_IMAGE=${DOCKER_IMAGE}:${DOCKER_TAG}
 fi
 
+if [ -n "${PORT}" ]; then
+  export GEODESIC_PORT=${PORT}
+fi
+
 export DOCKER_DNS=${DNS:-8.8.8.8}
 
 if [ "${GEODESIC_SHELL}" == "true" ]; then