[HADOOP-7092] Consolidate startup shell scripts

• Type: Task
• Status: Resolved
• Priority: Minor
• Resolution: Won't Fix
• Component/s: scripts
• Tags: shell scripts windows macos unix platform portability
• Assignee: Unassigned
• Reporter: Thomas Koch
• Created: 10/Jan/11 20:46
• Updated: 31/Jul/14 19:10
• Resolved: 31/Jul/14 19:10

Description

• Today we struggled ~1-2 hours to find out that the Cloudera init scripts have a bug in the shell code (bug filled by my colleague)
• Many projects that started at hadoop copied and adapted the shell startup code. So there's a lot of code duplication between hbase, zookeeper, hadoop and maybe others
• There already are some open issues regarding to shell code
• The shell code isn't properly tested (automaticaly) and will first probably fail at customer side

Would it make sense to build a shell library of most often used functionality for startup scripts? Is there already such a library somewhere?
This issue should collect thoughts in this area.

Issue Links

• relates to: GERONIMO-5142 runtime errors if JAVA_HOME or JRE_HOME is not specified
• relates to: HADOOP-6491 JAVA_PLATFORM in hadoop shell script lacks HADOOP_OPTS
• relates to: AMQ-2453 start/control-script is not suitable for professional environments
• relates to: QPID-2491 readlink is not cross platform
• relates to: HADOOP-7089 Fix link resolution logic in hadoop-config.sh
• relates to: ZOOKEEPER-976 ZooKeeper startup script doesn't use JAVA_HOME