Sample Bootstrap Script
The following sample cluster bootstrap script shows how to control execution on various cluster node types. Common use is to execute specific actions on specific node types.
# # Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. # # Example BDCS-CE bootstrap script. #!/bin/sh executeOnAmbariNodes() { echo " executeOnAmbariNodes ..."; } executeOnSparkThriftServerNodes() { echo "executeOnSparkThriftServerNodes ..."; } executeOnHive2ServerNodes() { echo "executeOnHive2ServerNodes..."; } executeOnComputeAndStorageSlaveNodes() { echo "executeOnComputeAndStorageSlaveNodes..."; } executeOnComputeOnlySlaveNodes() { echo "executeOnComputeOnlySlaveNodes..."; } executeOnAllNodes() { echo "executeOnAllNodes..."; } executeOnMasters() { echo "executeOnMasters ..."; } echo 'Hello Bootstrap' echo 'Object-store-url:=' $(getBaseObjectStoreUrl); echo 'Cluster-name:=' $(getClusterName); echo 'Masters:=' $(getMasterNodes); echo 'ComputeOnlySlaveNodes:=' $(getComputeOnlySlaveNodes); echo 'ComputeAndStorageSlaveNodes:=' $(getComputeAndStorageSlaveNodes); echo 'getAllNodes:=' $(getAllNodes); echo 'getAmbariServerNodes:=' $(getAmbariServerNodes); echo 'getSparkThriftServerNodes:=' $(getSparkThriftServerNodes); echo 'getHive2ServerNodes:=' $(getHive2ServerNodes); _HOSTNAME=$(hostname -f) for i in $(getAmbariServerNodes); do if [ ${_HOSTNAME} = $i ]; then executeOnAmbariNodes; fi done for i in $(getSparkThriftServerNodes); do if [ ${_HOSTNAME} = $i ]; then executeOnSparkThriftServerNodes; fi done for i in $(getHive2ServerNodes); do if [ ${_HOSTNAME} = $i ]; then executeOnHive2ServerNodes; fi done for i in $(getMasterNodes); do if [ ${_HOSTNAME} = $i ]; then executeOnMasters; fi done for i in $(getComputeAndStorageSlaveNodes); do if [ ${_HOSTNAME} = $i ]; then executeOnComputeAndStorageSlaveNodes; fi done for i in $(getComputeOnlySlaveNodes); do if [ ${_HOSTNAME} = $i ]; then executeOnComputeOnlySlaveNodes; fi done for i in $(getAllNodes); do if [ ${_HOSTNAME} = $i ]; then executeOnAllNodes; fi done ### No exits please!!