1 files changed, 41 insertions, 0 deletions
diff --git a/share/spack/docker/handle-ssh.sh b/share/spack/docker/handle-ssh.sh
new file mode 100644
index 0000000000..f2139897cb
--- /dev/null
+++ b/share/spack/docker/handle-ssh.sh
@@ -0,0 +1,41 @@
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+uid="`id -u`"
+if [ "$uid" '=' '0' ] ; then
+    for key_type in dsa ecdsa ed25519 rsa ; do
+        private_key_file="/etc/ssh/ssh_host_${key_type}_key"
+        public_key_file="$private_key_file.pub"
+
+        if [ '!' -f "$private_key_file" ] ; then
+            ssh-keygen \
+                -q -t "$key_type" -N "" -f "$private_key_file"
+            chmod 600 "$private_key_file"
+            chmod 644 "$public_key_file"
+        fi
+    done
+
+    mkdir -p /var/run/sshd
+
+    pgrep -u 0 -U 0 sshd &> /dev/null
+    if [ '!' "$?" '=' '0' ] ; then
+        nohup /usr/sbin/sshd -f /etc/ssh/sshd_config < /dev/null &> /dev/null
+    fi
+fi
+
+if [ '!' -f "$HOME/.ssh/id_rsa" ] ; then
+    ssh-keygen \
+        -t rsa -C "spack.developer@docker.host" -N "" -f "$HOME/.ssh/id_rsa"
+    cat "$HOME/.ssh/id_rsa.pub" >> "$HOME/.ssh/authorized_keys"
+    chmod 600 "$HOME/.ssh/authorized_keys"
+
+    docker_ip="`ip address show dev eth0 |
+                grep inet |
+                cut -d' ' -f 6 |
+                cut -d/ -f 1`"
+
+    ssh-keyscan -t rsa 127.0.0.1 localhost "$docker_ip" "`hostname`" \
+        > "$HOME/.ssh/known_hosts" 2> /dev/null
+fi