add jammy build

spack-flux-ubuntu-view/Dockerfile

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+ARG tag=jammy
+FROM spack/ubuntu-${tag}:latest as builder
+
+RUN apt-get update && apt-get install -y libntirpc-dev
+
+# What we want to install and how we want to install it
+# is specified in a manifest file (spack.yaml)
+RUN mkdir /opt/spack-environment \
+&&  (echo spack: \
+&&   echo '  specs: [flux-sched, flux-core, flux-security]' \
+&&   echo '  view: /opt/views/view' \
+&&   echo '  concretizer:' \
+&&   echo '    unify: true' \
+&&   echo '  packages:' \
+&&   echo '    all:' \
+&&   echo '      require: ["target=:x86_64"]' \
+&&   echo '  config:' \
+&&   echo '    install_tree: /opt/software') > /opt/spack-environment/spack.yaml
+
+# Install the software, remove unnecessary deps
+RUN cd /opt/spack-environment && spack env activate . && spack install --fail-fast && spack gc -y
+
+# Strip all the binaries
+RUN find -L /opt/views/view/* -type f -exec readlink -f '{}' \; | \
+    xargs file -i | \
+    grep 'charset=binary' | \
+    grep 'x-executable\|x-archive\|x-sharedlib' | \
+    awk -F: '{print $1}' | xargs strip
+
+# Modifications to the environment that are necessary to run
+RUN cd /opt/spack-environment && \
+    spack env activate --sh -d . > activate.sh
+
+# Bare OS image to run the installed executables
+FROM ubuntu:jammy
+
+COPY --from=builder /opt/spack-environment /opt/spack-environment
+COPY --from=builder /opt/software /opt/software
+
+# paths.view is a symlink, so copy the parent to avoid dereferencing and duplicating it
+COPY --from=builder /opt/views /opt/views
+
+RUN { \
+      echo '#!/bin/sh' \
+      && echo '.' /opt/spack-environment/activate.sh \
+      && echo 'exec "$@"'; \
+    } > /entrypoint.sh \
+&& chmod a+x /entrypoint.sh \
+&& ln -s /opt/views/view /opt/view
+
+# Ensure munge is installed and enabled. This is a design flaw
+RUN apt-get update && apt-get install -y munge libntirpc-dev
+
+ENTRYPOINT [ "/entrypoint.sh" ]
+CMD [ "/bin/bash" ]

spack-flux-ubuntu-view/uptodate.yaml

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+dockerbuild:
+  build_args:
+    tag:
+      key: "tag"
+      versions:
+       - "jammy"