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From ctubbsii <...@git.apache.org>
Subject [GitHub] accumulo pull request #160: ACCUMULO-4490: Simplify Accumulo scripts and con...
Date Wed, 26 Oct 2016 22:26:54 GMT
Github user ctubbsii commented on a diff in the pull request:

    https://github.com/apache/accumulo/pull/160#discussion_r85233665
  
    --- Diff: assemble/bin/accumulo-service ---
    @@ -0,0 +1,104 @@
    +#! /usr/bin/env bash
    +
    +# Licensed to the Apache Software Foundation (ASF) under one or more
    +# contributor license agreements.  See the NOTICE file distributed with
    +# this work for additional information regarding copyright ownership.
    +# The ASF licenses this file to You 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.
    +
    +function print_usage {
    +  cat <<EOF
    +Usage: accumulo-service <service> <command>
    +
    +Services:
    +  gc          Accumulo garbage collector
    +  monitor     Accumulo monitor
    +  master      Accumulo master
    +  tserver     Accumulo tserver
    +  tracer      Accumulo tracter
    +
    +Commands:
    +  start       Start service
    +  stop        Stop service
    +  kill        Kill service
    +
    +EOF
    +  exit 1
    +}
    +
    +function invalid_args {
    +  echo -e "Invalid arguments: $1\n"
    +  print_usage
    +  exit 1
    +}
    +
    +function get_host {
    +  host="$(hostname -s)"
    +  if [[ -z "$host" ]]; then
    +    netcmd=/sbin/ifconfig
    +    [[ ! -x $netcmd ]] && netcmd='/bin/netstat -ie'
    +    host=$($netcmd 2>/dev/null| grep "inet[^6]" | awk '{print $2}' | sed 's/addr://'
| grep -v 0.0.0.0 | grep -v 127.0.0.1 | head -n 1)
    +    if [[ $? != 0 ]]; then
    +      host=$(python -c 'import socket as s; print s.gethostbyname(s.getfqdn())')
    --- End diff --
    
    This version works without a dependency on python and the socket library in python: `getent
ahosts "$(hostname -f)" | grep DGRAM | cut -f 1 -d ' '`


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