CiaB: Use rpm command instead of yum to avoid fetching repo metadata that will go unused

infrastructure/cdn-in-a-box/cache/Dockerfile

@@ -67,8 +67,7 @@ ADD infrastructure/cdn-in-a-box/cache/run.sh infrastructure/cdn-in-a-box/traffic
 
 ARG ORT_RPM=infrastructure/cdn-in-a-box/cache/traffic_ops_ort.rpm
 ADD $ORT_RPM /
-RUN yum install -y /$(basename $ORT_RPM) &&\
-    rm /$(basename $ORT_RPM) && \
-    yum -y clean all
+RUN rpm -Uvh --nodeps /$(basename $ORT_RPM) &&\
+    rm /$(basename $ORT_RPM)
 
 CMD /run.sh

infrastructure/cdn-in-a-box/traffic_ops/Dockerfile

@@ -88,9 +88,8 @@ FROM trafficops-perl-deps
 # Override TRAFFIC_OPS_RPM arg to use a different one using --build-arg TRAFFIC_OPS_RPM=...  Can be local file or http://...
 ARG TRAFFIC_OPS_RPM=infrastructure/cdn-in-a-box/traffic_ops/traffic_ops.rpm
 ADD $TRAFFIC_OPS_RPM /
-RUN yum install -y /$(basename $TRAFFIC_OPS_RPM) && \
+RUN rpm -Uvh /$(basename $TRAFFIC_OPS_RPM) && \
     rm /$(basename $TRAFFIC_OPS_RPM) && \
-    yum -y clean all && \
     rm /opt/traffic_ops/app/bin/traffic_ops_golang
 
 # Run carton again, in case the cpanfile included in the RPM differs from the one used earlier in the

infrastructure/cdn-in-a-box/traffic_ops/Dockerfile-go

@@ -49,7 +49,7 @@ ARG TRAFFIC_OPS_RPM=traffic_ops/traffic_ops.rpm
 
 COPY $TRAFFIC_OPS_RPM /
 RUN to_rpm_filename="$(basename $TRAFFIC_OPS_RPM)" && \
-    rpm --install --nodeps --verbose --hash "$to_rpm_filename" && \
+    rpm -Uvh --nodeps "$to_rpm_filename" && \
     rm "$to_rpm_filename"
 
 COPY enroller/server_template.json \

infrastructure/cdn-in-a-box/traffic_portal/Dockerfile

@@ -43,7 +43,7 @@ RUN yum install -y \
     echo "ERROR INSTALLING PACKAGES"
 
 ADD $TRAFFIC_PORTAL_RPM /
-RUN yum install -y /$(basename $TRAFFIC_PORTAL_RPM) && \
+RUN rpm -Uvh /$(basename $TRAFFIC_PORTAL_RPM) && \
     rm /$(basename $TRAFFIC_PORTAL_RPM)
 
 ADD enroller/server_template.json \

infrastructure/cdn-in-a-box/traffic_router/Dockerfile

@@ -37,7 +37,7 @@ RUN yum -y install epel-release && \
 ADD $TRAFFIC_ROUTER_RPM /traffic_router.rpm
 ADD $TOMCAT_RPM /tomcat.rpm
 
-RUN yum -y install /traffic_router.rpm /tomcat.rpm && \
+RUN rpm -Uvh /traffic_router.rpm /tomcat.rpm && \
     find /usr/lib* -name libtc\* -exec ln -sfv {} /opt/tomcat/lib \;
 
 ADD enroller/server_template.json \

infrastructure/cdn-in-a-box/traffic_stats/Dockerfile

@@ -35,7 +35,7 @@ RUN yum install -y epel-release && \
     yum clean all
 
 ADD $TRAFFIC_TS_RPM /
-RUN yum install -y /$(basename $TRAFFIC_TS_RPM) \
+RUN rpm -Uvh /$(basename $TRAFFIC_TS_RPM) && \
     rm /$(basename $TRAFFIC_TS_RPM)
 
 ADD enroller/server_template.json \