Added conversion for legacy imageContentSources (openshift#61524)

Author: vr4manta

Diff for: ci-operator/step-registry/ipi/conf/vsphere/ipi-conf-vsphere-commands.sh

@@ -268,7 +268,12 @@ if [ ${Z_VERSION} -gt 9 ]; then
       fi
       if [ -f ${PULL_THROUGH_CACHE_CONFIG} ]; then
         echo "$(date -u --rfc-3339=seconds) - pull-through cache configuration found. updating install-config"
-        cat ${PULL_THROUGH_CACHE_CONFIG} >>${CONFIG}
+        if [ "${Z_VERSION}" -lt 14 ]; then
+          echo "$(date -u --rfc-3339=seconds) - detected OCP version < 4.14.  converting imageDigestSources to imageContentSources for backwards compatability."
+          cat ${PULL_THROUGH_CACHE_CONFIG} | sed 's/imageDigestSources/imageContentSources/g' >>${CONFIG}
+        else
+          cat ${PULL_THROUGH_CACHE_CONFIG} >>${CONFIG}
+        fi
       else
         echo "$(date -u --rfc-3339=seconds) - pull-through cache configuration not found. not updating install-config"
       fi

Diff for: ci-operator/step-registry/ipi/conf/vsphere/vcm/ipi-conf-vsphere-vcm-commands.sh

@@ -252,7 +252,12 @@ if [ ${Z_VERSION} -gt 9 ]; then
       fi
       if [ -f ${PULL_THROUGH_CACHE_CONFIG} ]; then
         echo "$(date -u --rfc-3339=seconds) - pull-through cache configuration found. updating install-config"
-        cat ${PULL_THROUGH_CACHE_CONFIG} >>${CONFIG}
+        if [ "${Z_VERSION}" -lt 14 ]; then
+          echo "$(date -u --rfc-3339=seconds) - detected OCP version < 4.14.  converting imageDigestSources to imageContentSources for backwards compatability."
+          cat ${PULL_THROUGH_CACHE_CONFIG} | sed 's/imageDigestSources/imageContentSources/g' >>${CONFIG}
+        else
+          cat ${PULL_THROUGH_CACHE_CONFIG} >>${CONFIG}
+        fi
       else
         echo "$(date -u --rfc-3339=seconds) - pull-through cache configuration not found. not updating install-config"
       fi

Diff for: ci-operator/step-registry/upi/conf/vsphere/vcm/upi-conf-vsphere-vcm-commands.sh

@@ -400,7 +400,12 @@ if [ ${CACHE_FORCE_DISABLE} == "false" ]; then
     fi
     if [ -f ${PULL_THROUGH_CACHE_CONFIG} ]; then
       echo "$(date -u --rfc-3339=seconds) - pull-through cache configuration found. updating install-config"
-      cat ${PULL_THROUGH_CACHE_CONFIG} >>${install_config}
+      if [ "${Z_VERSION}" -lt 14 ]; then
+        echo "$(date -u --rfc-3339=seconds) - detected OCP version < 4.14.  converting imageDigestSources to imageContentSources for backwards compatability."
+        cat ${PULL_THROUGH_CACHE_CONFIG} | sed 's/imageDigestSources/imageContentSources/g' >>${CONFIG}
+      else
+        cat ${PULL_THROUGH_CACHE_CONFIG} >>${CONFIG}
+      fi
     else
       echo "$(date -u --rfc-3339=seconds) - pull-through cache configuration not found. not updating install-config"
     fi