Dockerfile in r10k-3.5.1

- old
+ new

@@ -14,10 +14,15 @@
 ARG build_date
 ARG version="3.1.0"
 # Used by entrypoint to submit metrics to Google Analytics.
 # Published images should use "production" for this build_arg.
 ARG pupperware_analytics_stream="dev"
+# required to schedule runs of "r10k" in K8s
+ARG supercronic_version="0.1.9"
+ARG supercronic_sha1sum="5ddf8ea26b56d4a7ff6faecdd8966610d5cb9d85"
+ARG supercronic="supercronic-linux-amd64"
+ARG supercronic_url="https://github.com/aptible/supercronic/releases/download/v$supercronic_version/$supercronic"
 
 LABEL org.label-schema.maintainer="Puppet Release Team <release@puppet.com>" \
       org.label-schema.vendor="Puppet" \
       org.label-schema.url="https://github.com/puppetlabs/r10k" \
       org.label-schema.name="r10k" \
@@ -30,27 +35,32 @@
 COPY docker/r10k/docker-entrypoint.d /docker-entrypoint.d
 
 ENTRYPOINT ["/docker-entrypoint.sh"]
 CMD ["help"]
 
-# dyanmic LABELs and ENV vars placed lower for the sake of Docker layer caching
+# dynamic LABELs and ENV vars placed lower for the sake of Docker layer caching
 ENV PUPPERWARE_ANALYTICS_STREAM="$pupperware_analytics_stream"
 
 LABEL org.label-schema.version="$version" \
       org.label-schema.vcs-ref="$vcs_ref" \
       org.label-schema.build-date="$build_date"
 
 COPY --from=build /workspace/r10k.gem /
+SHELL ["/bin/ash", "-eo", "pipefail", "-c"]
 # ignore apk and gem pinning
 # hadolint ignore=DL3018,DL3028
-RUN chmod a+x /adduser.sh && \
+RUN chmod a+x /adduser.sh /docker-entrypoint.sh && \
 # Add a puppet user to run r10k as for consistency with puppetserver
     /adduser.sh && \
-    chmod +x /docker-entrypoint.sh && \
     chown -R puppet: /docker-entrypoint.d /docker-entrypoint.sh && \
     apk add --no-cache ruby openssh-client git ruby-rugged curl ruby-json ruby-etc && \
     gem install --no-doc /r10k.gem && \
-    rm -f /r10k.gem
+    rm -f /r10k.gem && \
+    curl --fail --silent --show-error --location --remote-name "$supercronic_url" && \
+    echo "${supercronic_sha1sum}  ${supercronic}" | sha1sum -c - && \
+    chmod +x "$supercronic" && \
+    mv "$supercronic" "/usr/local/bin/${supercronic}" && \
+    ln -s "/usr/local/bin/${supercronic}" /usr/local/bin/supercronic
 
 USER puppet
 WORKDIR /home/puppet
 
 COPY docker/r10k/Dockerfile /