Spack ubuntu mpi operator (#5)

* we can use the original efa as a base

Signed-off-by: vsoch <vsoch@users.noreply.github.com>

spack-ubuntu-libfabric-ssh/Dockerfile

@@ -0,0 +1,18 @@
+ARG tag="20.04"
+FROM ghcr.io/rse-ops/lammps-efa:ubuntu-${tag}
+
+# This is added for the mpi-operator
+# Add priviledge separation directoy to run sshd as root.
+RUN mkdir -p /var/run/sshd
+
+# Allow OpenSSH to talk to containers without asking for confirmation
+# by disabling StrictHostKeyChecking.
+# mpi-operator mounts the .ssh folder from a Secret. For that to work, we need
+# to disable UserKnownHostsFile to avoid write permissions.
+# Disabling StrictModes avoids directory and files read permission checks.
+ARG port=22
+RUN sed -i "s/[ #]\(.*StrictHostKeyChecking \).*/ \1no/g" /etc/ssh/ssh_config \
+    && echo "    UserKnownHostsFile /dev/null" >> /etc/ssh/ssh_config \
+    && sed -i "s/[ #]\(.*Port \).*/ \1$port/g" /etc/ssh/ssh_config \
+    && sed -i "s/#\(StrictModes \).*/\1no/g" /etc/ssh/sshd_config \
+    && sed -i "s/#\(Port \).*/\1$port/g" /etc/ssh/sshd_config

spack-ubuntu-libfabric-ssh/uptodate.yaml

@@ -0,0 +1,6 @@
+dockerbuild:
+  build_args:
+    tag:
+      key: "ubuntu"
+      versions:
+       - "20.04"