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Diffstat (limited to 'src/main/docker/scripts/zookeeper-ready')
| -rw-r--r-- | src/main/docker/scripts/zookeeper-ready | 25 |
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
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