Upgrades oc and kubectl versions to latest

- oc cli: v4.5.11
- kubectl cli: v1.19.2

Author: Sean Sundberg

Dockerfile

@@ -1,7 +1,8 @@
 FROM docker.io/hashicorp/terraform:0.12.26
 
 ENV TERRAFORM_IBMCLOUD_VERSION 1.9.0
-ENV KUBECTL_VERSION 1.15.5
+ENV KUBECTL_VERSION 1.19.2
+ENV OPENSHIFT_CLI_VERSION 4.5.11
 
 RUN apk add --update-cache \
   curl \
@@ -62,13 +63,16 @@ WORKDIR ${HOME}
 COPY --chown=devops:root src/image-message ./image-message
 RUN cat ./image-message >> ./.bashrc-ni
 
-RUN curl -L https://github.com/openshift/origin/releases/download/v3.11.0/openshift-origin-client-tools-v3.11.0-0cbc58b-linux-64bit.tar.gz --output oc-client.tar.gz && \
-    tar xzf oc-client.tar.gz && \
+RUN curl -L https://mirror.openshift.com/pub/openshift-v4/clients/ocp/${OPENSHIFT_CLI_VERSION}/openshift-client-linux.tar.gz --output oc-client.tar.gz && \
+    mkdir tmp && \
+    cd tmp && \
+    tar xzf ../oc-client.tar.gz && \
     sudo mkdir -p /usr/local/fix && \
     sudo chmod a+rwx /usr/local/fix && \
-    sudo cp openshift-origin-client-tools*/oc /usr/local/fix && \
+    sudo cp ./oc /usr/local/fix && \
     sudo chmod +x /usr/local/fix/oc && \
-    rm -rf openshift-origin-client-tools* && \
+    cd .. && \
+    rm -rf tmp && \
     rm oc-client.tar.gz && \
     echo '/lib/ld-musl-x86_64.so.1 --library-path /lib /usr/local/fix/oc $@' > ./oc && \
     sudo mv ./oc /usr/local/bin && \