Add missing software layers

Adds openssh to MON
Adds mysqladmin to POL
Adds envsubst to tests

Fixes bug 1503

Change-Id: Ieafee31695bfc6ccecb1f1bcf52b57e91a45686e
Signed-off-by: beierlm <mark.beierl@canonical.com>
diff --git a/docker/MON/Dockerfile b/docker/MON/Dockerfile
index 1f6ecf4..d7ae32d 100644
--- a/docker/MON/Dockerfile
+++ b/docker/MON/Dockerfile
@@ -31,6 +31,9 @@
     python3-dev=3.8.2-0ubuntu2 && \
     python3 -m easy_install pip==21.0.1
 
+RUN DEBIAN_FRONTEND=noninteractive apt-get --yes install \
+    openssh-client=1:8.2p1-4ubuntu0.2
+
 ARG PYTHON3_OSM_COMMON_URL
 ARG PYTHON3_OSM_MON_URL
 ARG PYTHON3_N2VC_URL
@@ -54,9 +57,17 @@
 RUN DEBIAN_FRONTEND=noninteractive apt-get --yes update && \
     DEBIAN_FRONTEND=noninteractive apt-get --yes install python3-minimal=3.8.2-0ubuntu2
 
+RUN DEBIAN_FRONTEND=noninteractive apt-get --yes install \
+    ca-certificates
+
 COPY --from=INSTALL /usr/lib/python3/dist-packages /usr/lib/python3/dist-packages
 COPY --from=INSTALL /usr/local/lib/python3.8/dist-packages  /usr/local/lib/python3.8/dist-packages
 COPY --from=INSTALL /usr/bin/osm* /usr/bin/
+COPY --from=INSTALL /usr/bin/scp /usr/bin/scp
+COPY --from=INSTALL /usr/bin/ssh-keygen /usr/bin/ssh-keygen
+COPY --from=INSTALL /usr/bin/ssh /usr/bin/ssh
+COPY --from=INSTALL /usr/lib/x86_64-linux-gnu/ /usr/lib/x86_64-linux-gnu/
+COPY --from=INSTALL /lib/x86_64-linux-gnu/ /lib/x86_64-linux-gnu/
 
 COPY scripts/ scripts/