Add new role os_env_extras_node that is a subset of the docker role

- Does not install or start docker, since the openshift-node role will handle
  that for us
- Only add root to the dockerroot group and configures the enter-container
  script.

1 files changed, 13 insertions, 0 deletions

diff --git a/roles/os_env_extras_node/files/enter-container.sh b/roles/os_env_extras_node/files/enter-container.sh
new file mode 100755
index 000000000..7cf5b8d83
--- /dev/null
+++ b/roles/os_env_extras_node/files/enter-container.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+
+if [ $# -ne 1 ]
+then
+  echo
+  echo "Usage: $(basename $0) <container_name>"
+  echo
+  exit 1
+fi
+
+PID=$(docker inspect --format '{{.State.Pid}}' $1)
+
+nsenter --target $PID --mount --uts --ipc --net --pid