fix(ci): adapt rhel dockerfile for openshift build

Signed-off-by: Sagar Arora <sagar.arora@eurecom.fr>

ci-scripts/openshift/oai-amf-bc.yaml

+#/*
+# * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+# * contributor license agreements.  See the NOTICE file distributed with
+# * this work for additional information regarding copyright ownership.
+# * The OpenAirInterface Software Alliance licenses this file to You under
+# * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+# * except in compliance with the License.
+# * You may obtain a copy of the License at
+# *
+# *      http://www.openairinterface.org/?page_id=698
+# *
+# * Unless required by applicable law or agreed to in writing, software
+# * distributed under the License is distributed on an "AS IS" BASIS,
+# * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# * See the License for the specific language governing permissions and
+# * limitations under the License.
+# *-------------------------------------------------------------------------------
+# * For more information about the OpenAirInterface (OAI) Software Alliance:
+# *      contact@openairinterface.org
+# */
+#---------------------------------------------------------------------
+#
+---
+kind: BuildConfig
+apiVersion: build.openshift.io/v1
+metadata:
+    name: "oai-amf"
+    namespace: oaicicd-core
+spec:
+    runPolicy: "Serial"
+    source:
+        type: "Binary"
+        secrets:
+          - secret:
+              name: etc-pki-entitlement
+            destinationDir: etc-pki-entitlement
+        configMaps:
+          - configMap:
+              name: rhsm-conf
+            destinationDir: rhsm-conf
+          - configMap:
+              name: rhsm-ca
+            destinationDir: rhsm-ca
+    strategy:
+        dockerStrategy:
+            dockerfilePath: "docker/Dockerfile.amf.rhel8"
+    output:
+        to:
+            kind: "ImageStreamTag"
+            name: "oai-amf:develop"

ci-scripts/openshift/oai-amf-is.yaml

+#/*
+# * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+# * contributor license agreements.  See the NOTICE file distributed with
+# * this work for additional information regarding copyright ownership.
+# * The OpenAirInterface Software Alliance licenses this file to You under
+# * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+# * except in compliance with the License.
+# * You may obtain a copy of the License at
+# *
+# *      http://www.openairinterface.org/?page_id=698
+# *
+# * Unless required by applicable law or agreed to in writing, software
+# * distributed under the License is distributed on an "AS IS" BASIS,
+# * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# * See the License for the specific language governing permissions and
+# * limitations under the License.
+# *-------------------------------------------------------------------------------
+# * For more information about the OpenAirInterface (OAI) Software Alliance:
+# *      contact@openairinterface.org
+# */
+#---------------------------------------------------------------------
+#
+apiVersion: image.openshift.io/v1
+kind: ImageStream
+metadata:
+    name: oai-amf
+    namespace: oaicicd-core
+spec:
+  lookupPolicy:
+    local: true
+status:
+    tag: develop

docker/Dockerfile.amf.rhel8

@@ -21,7 +21,7 @@
 #---------------------------------------------------------------------
 #
 # Dockerfile for the Open-Air-Interface AMF service
-#   Valid for RHEL 8.2
+#   Valid for UBI 8.6 | RHEL 8.6
 #
 #---------------------------------------------------------------------
 
@@ -72,7 +72,10 @@ WORKDIR /openair-amf/build/scripts
 RUN ldconfig && \
     ./build_amf --clean --Verbose --build-type Release --jobs && \
     ldd /openair-amf/build/amf/build/amf && \
-    mv /openair-amf/build/amf/build/amf /openair-amf/build/amf/build/oai_amf
+    mv /openair-amf/build/amf/build/amf /openair-amf/build/amf/build/oai_amf && \
+    # Remove entitlements and Subscription Manager configs
+    rm -rf /etc/pki/entitlement && \
+    rm -rf /etc/rhsm
 
 #---------------------------------------------------------------------
 # TARGET IMAGE
@@ -80,7 +83,16 @@ RUN ldconfig && \
 FROM registry.access.redhat.com/ubi8/ubi-minimal:latest as oai-amf
 ENV TZ=Europe/Paris
 # We install some debug tools for the moment in addition of mandatory libraries
-RUN microdnf update -y && \
+
+# Copy the entitlements
+COPY ./etc-pki-entitlement /etc/pki/entitlement
+# Copy the subscription manager configurations
+COPY ./rhsm-conf /etc/rhsm
+COPY ./rhsm-ca /etc/rhsm/ca
+
+
+RUN rm -f /etc/rhsm-host && \
+    microdnf update -y && \
     microdnf install -y \
       tzdata \
       libasan \
@@ -95,7 +107,10 @@ RUN microdnf update -y && \
       mysql-libs \
       libconfig && \
     microdnf clean all -y && \
-    rm -rf /var/cache/yum /var/cache/dnf
+    rm -rf /var/cache/yum /var/cache/dnf && \
+    # Remove entitlements and Subscription Manager configs
+    rm -rf /etc/pki/entitlement && \
+    rm -rf /etc/rhsm
 
 # Copying executable and generated libraries
 WORKDIR /openair-amf/bin