Effort to reduce image size and layers

Issue-ID: CCSDK-3226
Change-Id: I3bb7b8a9eeef866fdc23804e06b2908d33f63c06
Signed-off-by: Singal, Kapil (ks220y) <ks220y@att.com>

3 files changed, 41 insertions, 32 deletions

diff --git a/alpine/java11/src/main/docker/Dockerfile b/alpine/java11/src/main/docker/Dockerfile
index 6480fe50..192d618b 100644
--- a/alpine/java11/src/main/docker/Dockerfile
+++ b/alpine/java11/src/main/docker/Dockerfile
@@ -14,6 +14,6 @@ ENV https_proxy ${HTTPS_PROXY}
 ENV JAVA_HOME /opt/java/openjdk
 
 # Add tools needed for OpenDaylight
-RUN apk update && apk --no-cache add bash git  mysql-client nodejs npm python3 py3-pip graphviz unzip rsync nss
+RUN apk update && apk --no-cache add sudo bash iputils openssl git mysql-client nodejs npm python3 py3-pip graphviz unzip rsync nss
 
 USER onap
diff --git a/odlsli/odlsli-alpine/src/main/docker/Dockerfile b/odlsli/odlsli-alpine/src/main/docker/Dockerfile
index fccf7f74..0b6dbbf7 100644
--- a/odlsli/odlsli-alpine/src/main/docker/Dockerfile
+++ b/odlsli/odlsli-alpine/src/main/docker/Dockerfile
@@ -3,60 +3,66 @@
 FROM ${base.image.name}:${project.docker.latestfulltag.version} AS stage0
 USER root
 
-# copy the opendaylight credentials
+# Copy the opendaylight credentials
 COPY idmlight.db.mv.db $ODL_HOME/data
 
-# copy CCSDK mvn artifacts to ODL repository
+# Copy CCSDK mvn artifacts to ODL repository
 COPY system /tmp/system
 RUN rsync -a /tmp/system $ODL_HOME
 
-# copy deliverables to opt
+# Copy deliverables to opt
 COPY opt /opt
 COPY org.ops4j.pax.logging.cfg $ODL_HOME/etc/org.ops4j.pax.logging.cfg
 
-# CCSDK SLI
-ENV CCSDK_SLI_CORE_REPO mvn:org.onap.ccsdk.sli.core/ccsdk-sli-core-all/${ccsdk.sli.version}/xml/features
-ENV CCSDK_SLI_ADAPTORS_REPO mvn:org.onap.ccsdk.sli.adaptors/ccsdk-sli-adaptors-all/${ccsdk.sli.version}/xml/features
-ENV CCSDK_SLI_NORTHBOUND_REPO mvn:org.onap.ccsdk.sli.northbound/ccsdk-sli-northbound-all/${ccsdk.sli.version}/xml/features
-ENV CCSDK_SLI_PLUGINS_REPO mvn:org.onap.ccsdk.sli.plugins/ccsdk-sli-plugins-all/${ccsdk.sli.version}/xml/features
-
-# CCSDK Features
-ENV CCSDK_FEATURES_REPO mvn:org.onap.ccsdk.features/ccsdk-features-all/${ccsdk.features.version}/xml/features
-ENV CCSDK_FEATURES_A1ADAPTER_NORTHBOUND_REPO mvn:org.onap.ccsdk.oran/a1-adapter-northbound/${ccsdk.oran.a1adapter.version}/xml/features
-ENV CCSDK_FEATURES_SDNR_NORTHBOUND_REPO mvn:org.onap.ccsdk.features.sdnr.northbound/sdnr-northbound-all/${ccsdk.features.version}/xml/features
-ENV CCSDK_FEATURES_SDNR_WT_REPO mvn:org.onap.ccsdk.features.sdnr.wt/sdnr-wt-feature-aggregator/${ccsdk.features.version}/xml/features,\
- mvn:org.onap.ccsdk.features.sdnr.wt/sdnr-wt-feature-aggregator-oauth/${ccsdk.features.version}/xml/features,\
- mvn:org.onap.ccsdk.features.sdnr.wt/sdnr-wt-feature-aggregator-devicemanager/${ccsdk.features.version}/xml/features,\
- mvn:org.onap.ccsdk.features.sdnr.wt/sdnr-wt-feature-aggregator-devicemanager-base/${ccsdk.features.version}/xml/features
+# CCSDK SLI FEATURES
+ENV CCSDK_SLI_FEATURES_REPO mvn:org.onap.ccsdk.sli.core/ccsdk-sli-core-all/${ccsdk.sli.version}/xml/features,\
+mvn:org.onap.ccsdk.sli.adaptors/ccsdk-sli-adaptors-all/${ccsdk.sli.version}/xml/features,\
+mvn:org.onap.ccsdk.sli.northbound/ccsdk-sli-northbound-all/${ccsdk.sli.version}/xml/features,\
+mvn:org.onap.ccsdk.sli.plugins/ccsdk-sli-plugins-all/${ccsdk.sli.version}/xml/features
+
+# CCSDK SDNR FEATURES
+ENV CCSDK_SDNR_FEATURES_REPO mvn:org.onap.ccsdk.oran/a1-adapter-northbound/${ccsdk.oran.a1adapter.version}/xml/features,\
+mvn:org.onap.ccsdk.features/ccsdk-features-all/${ccsdk.features.version}/xml/features,\
+mvn:org.onap.ccsdk.features.sdnr.northbound/sdnr-northbound-all/${ccsdk.features.version}/xml/features,\
+mvn:org.onap.ccsdk.features.sdnr.wt/sdnr-wt-feature-aggregator/${ccsdk.features.version}/xml/features,\
+mvn:org.onap.ccsdk.features.sdnr.wt/sdnr-wt-feature-aggregator-oauth/${ccsdk.features.version}/xml/features,\
+mvn:org.onap.ccsdk.features.sdnr.wt/sdnr-wt-feature-aggregator-devicemanager/${ccsdk.features.version}/xml/features,\
+mvn:org.onap.ccsdk.features.sdnr.wt/sdnr-wt-feature-aggregator-devicemanager-base/${ccsdk.features.version}/xml/features
 
 # ODL and CCSDK SLI featuresBoot defined in pom.xml
 ENV ODL_BOOT_FEATURES_EXTRA ${odl.boot.features.extra}
 
+# Backing up existing karaf cfg and updating features boot and features repository
 RUN cp $ODL_HOME/etc/org.apache.karaf.features.cfg $ODL_HOME/etc/org.apache.karaf.features.cfg.orig
 RUN sed -i -e "\|featuresBoot[^a-zA-Z]|s|$|,${ODL_BOOT_FEATURES_EXTRA}|" $ODL_HOME/etc/org.apache.karaf.features.cfg
-RUN sed -i -e "\|featuresRepositories|s|$|,${CCSDK_SLI_CORE_REPO},${CCSDK_SLI_ADAPTORS_REPO},${CCSDK_SLI_NORTHBOUND_REPO},${CCSDK_SLI_PLUGINS_REPO},${CCSDK_FEATURES_REPO},${CCSDK_FEATURES_A1ADAPTER_NORTHBOUND_REPO},${CCSDK_FEATURES_SDNR_NORTHBOUND_REPO},${CCSDK_FEATURES_SDNR_WT_REPO} |" $ODL_HOME/etc/org.apache.karaf.features.cfg
+RUN sed -i -e "\|featuresRepositories|s|$|,${CCSDK_SLI_FEATURES_REPO},${CCSDK_SDNR_FEATURES_REPO} |" $ODL_HOME/etc/org.apache.karaf.features.cfg
+
+# Enable wheel and create a group and user
+RUN sed -i -e 's/# %wheel ALL=(ALL) NOPASSWD: ALL/%wheel ALL=(ALL) NOPASSWD: ALL/g' /etc/sudoers \
+    && addgroup -S odl \
+    && adduser -S odl -G odl \
+    && addgroup odl wheel
+
+# Changing ownership and permission of /opt
+RUN chown -R odl:odl /opt && chmod -R 755 /opt
 
 ## END OF STAGE0 ##
 
+#################################################
 
 ## This will create actual image
-FROM ${base.image.name}:${project.docker.latestfulltag.version}
+FROM scratch
 LABEL maintainer="CCSDK Team (onap-ccsdk@lists.onap.org)"
 USER root
 
+ENV JAVA_HOME /opt/java/openjdk
+ENV ODL_HOME /opt/opendaylight/current
 ENV SDNC_CONFIG_DIR /opt/onap/ccsdk/data/properties
 ENV ANSIBLE_GPG_KEY ${ansible.gpg.key}
-ENV CCSDKFEATUREVERSION ${ccsdk.features.version}
-
-# Install sudo and IP utilities
-RUN apk update \
-    && apk --no-cache add sudo iputils openssl \
-    && sed -i -e 's/# %wheel ALL=(ALL) NOPASSWD: ALL/%wheel ALL=(ALL) NOPASSWD: ALL/g' /etc/sudoers \
-    && addgroup -S odl \
-    && adduser -S odl -G odl \
-    && addgroup odl wheel
 
-COPY --from=stage0 --chown=odl:odl /opt /opt
+# Copy Everything from stage0
+COPY --from=stage0 / /
 
 USER odl
+WORKDIR $ODL_HOME
 ENTRYPOINT /opt/onap/ccsdk/bin/startODL.sh
diff --git a/opendaylight/silicon/silicon-alpine/src/main/docker/Dockerfile b/opendaylight/silicon/silicon-alpine/src/main/docker/Dockerfile
index 9c8099a3..e0091984 100644
--- a/opendaylight/silicon/silicon-alpine/src/main/docker/Dockerfile
+++ b/opendaylight/silicon/silicon-alpine/src/main/docker/Dockerfile
@@ -22,15 +22,18 @@ COPY system $ODL_HOME/system
 
 ## END OF STAGE0 ##
 
+#################################################
 
 ## This will create actual image
-FROM onap/ccsdk-alpine-j11-image:${project.docker.latestfulltag.version}
+FROM scratch
 MAINTAINER CCSDK Team (onap-ccsdk@lists.onap.org)
 USER root
 
+ENV JAVA_HOME /opt/java/openjdk
 ENV ODL_HOME /opt/opendaylight/current
 
-COPY --from=stage0 /opt /opt
+# Copy Everything from stage0
+COPY --from=stage0 / /
 
 # ENTRYPOINT exec /opt/opendaylight/bin/karaf
 WORKDIR $ODL_HOME