creates the Zookeeper image

Change-Id: I79153cd5f89bb1897c3ec11a96113604378aacee
Issue-ID: DMAAP-888
Signed-off-by: sunil unnava <sunil.unnava@att.com>

1 files changed, 25 insertions, 0 deletions

diff --git a/src/main/docker/scripts/zookeeper-ready b/src/main/docker/scripts/zookeeper-ready
new file mode 100644
index 0000000..2a27252
--- /dev/null
+++ b/src/main/docker/scripts/zookeeper-ready
@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+# Copyright 2017 The Kubernetes Authors.
+#
+# 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.
+
+# zkOk.sh uses the ruok ZooKeeper four letter work to determine if the instance
+# is health. The $? variable will be set to 0 if server responds that it is 
+# healthy, or 1 if the server fails to respond.
+
+OK=$(echo ruok | nc 127.0.0.1 $1)
+if [ "$OK" == "imok" ]; then
+	exit 0
+else
+	exit 1
+fi
\ No newline at end of file