add simple pre-pull script for pulling down crunchy containers that the operator is dependent upon

Author: jmccormick2001

bin/pre-pull-crunchy-containers.sh

@@ -0,0 +1,22 @@
+#!/bin/bash 
+
+# Copyright 2017-2018 Crunchy Data Solutions, Inc.
+# Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+#
+# 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.
+
+CCP_IMAGE_PREFIX=crunchydata
+CCP_IMAGE_TAG=centos7-10.5-2.1.0
+
+for CNAME in crunchy-postgres crunchy-collect crunchy-grafana crunchy-prometheus crunchy-backup crunchy-backrest-restore
+do
+	docker pull $CCP_IMAGE_PREFIX/$CNAME:$CCP_IMAGE_TAG
+done