fix: Upgrade oc to 4.4 and use UBI8 base image

Dockerfile

@@ -1,15 +1,15 @@
-FROM registry.centos.org/centos/centos:7
-MAINTAINER Tomas Hrcka <thrcka@redhat.com>
+FROM registry.access.redhat.com/ubi8/ubi-minimal
 
 ENV LANG=en_US.UTF-8
 
-RUN yum --setopt=tsflags=nodocs install -y epel-release centos-release-openshift-origin36 && \
-    yum --setopt=tsflags=nodocs install -y python36-pip wget python36-devel libxml2-devel libxslt-devel python36-requests python36-pycurl origin-clients && \
-    yum clean all
+RUN microdnf install python3 tar gzip &&\
+    microdnf clean all &&\
+    rm -fr /var/cache/lib/{dnf,rpm}
 
 COPY requirements.txt /tmp/
-RUN pip3 install --upgrade pip && pip install --upgrade wheel
-RUN pip3 install -r /tmp/requirements.txt
+RUN pip3 install --no-cache-dir --no-cache --upgrade pip && pip install --no-cache-dir --no-cache --upgrade wheel
+RUN pip3 install --no-cache-dir --no-cache -r /tmp/requirements.txt
+RUN curl https://mirror.openshift.com/pub/openshift-v4/clients/oc/4.4/linux/oc.tar.gz -o - | tar -zx  -C /usr/bin
 
 RUN mkdir -p /home/scaler/ /var/lib/f8a-scaler/
 

Makefile

@@ -2,7 +2,7 @@ REGISTRY := quay.io
 DEFAULT_TAG=latest
 
 ifeq ($(TARGET),rhel)
-  DOCKERFILE := Dockerfile.rhel
+  DOCKERFILE := Dockerfile
   REPOSITORY ?= openshiftio/rhel-fabric8-analytics-worker-scaler
 else
   DOCKERFILE := Dockerfile

cico_setup.sh

@@ -20,6 +20,8 @@ load_jenkins_vars() {
 prep() {
     yum -y install epel-release
     yum -y install docker git python36-pip
+    # This we should remove once the package subscription-manager-rhsm-certificates fixed
+    touch /etc/rhsm/ca/redhat-uep.pem
     systemctl start docker
     pip3 install -r requirements.txt
 }

openshift/template.yaml

@@ -7,6 +7,19 @@ metadata:
   annotations:
     description: f8a-worker-scaler
 objects:
+- apiVersion: v1
+  kind: ServiceAccount
+  metadata:
+    name: workerscaler
+- apiVersion: v1
+  kind: RoleBinding
+  metadata:
+    name: workerscaler-edit
+  roleRef:
+    name: edit
+  subjects:
+  - kind: ServiceAccount
+    name: workerscaler
 - apiVersion: v1
   kind: DeploymentConfig
   metadata:
@@ -55,8 +68,6 @@ objects:
             value: "${SLEEP_INTERVAL}"
           - name: DRY_RUN
             value: "${DRY_RUN}"
-          - name: OC_PROJECT
-            value: "${OC_PROJECT}"
           image: "${DOCKER_REGISTRY}/${DOCKER_IMAGE}:${IMAGE_TAG}"
           name: f8a-worker-scaler
           resources:
@@ -125,12 +136,6 @@ parameters:
   name: SQS_QUEUE_NAME
   value: "ingestion_bayesianFlow_v0,ingestion_bayesianPackageFlow_v0"
 
-- description: Name of the openshift project used for oc command
-  displayName: Openshift Project Name
-  required: true
-  name: OC_PROJECT
-  value: "bayesian-preview"
-
 - description: Docker registry where the image is
   displayName: Docker registry
   required: true

scale.sh

@@ -25,10 +25,10 @@ while true; do
     echo "[$(date -u)] Number of messages in ${DEPLOYMENT_PREFIX}_{${SQS_QUEUE_NAME}} is ${msg_count}. Replicas needed: ${replicas}."
 
     if [ "$dry_run" == "True" ]; then
-        echo "[DRY-RUN] oc -n ${OC_PROJECT} scale --replicas=${replicas} dc ${DC_NAME}"
+        echo "[DRY-RUN] oc scale --replicas=${replicas} dc ${DC_NAME}"
     else
         set -x
-        oc -n ${OC_PROJECT} scale --replicas=${replicas} dc ${DC_NAME}
+        oc scale --replicas=${replicas} dc ${DC_NAME}
         set +x
     fi