[jira] [Created] (SLIDER-337) Agent error when trying to deploy Accumulo

["Josh Elser (JIRA)" <ji...@apache.org>]

Josh Elser created SLIDER-337:
---------------------------------

             Summary: Agent error when trying to deploy Accumulo 
                 Key: SLIDER-337
                 URL: https://issues.apache.org/jira/browse/SLIDER-337
             Project: Slider
          Issue Type: Bug
          Components: agent-provider
         Environment: Gentoo Linux, develop branch (035ebbd), Hadoop-2.6.0-SNAPSHOT (r1619002)
            Reporter: Josh Elser


Tried to start an Accumulo cluster:

{noformat}
slider create accumulo --image hdfs://localhost:8020/slider/agent/slider-agent.tar.gz --template /home/elserj/slider/app-packages/accumulo/target/apache-slider-accumulo-1.6.0-app-package-0.40/appConfig.json --resources /home/elserj/slider/app-packages/accumulo/target/apache-slider-accumulo-1.6.0-app-package-0.40/resources.json
{noformat}

SliderAM came up, but no Accumulo procs got started. Looking at the AM webapp, the Accumulo master container kept cycling. Dug around in the NM/container logs dir, and found the following stack:

{noformat}
Traceback (most recent call last):
  File ".../nm-local-dir/usercache/elserj/appcache/application_1408503547578_0002/container_1408503547578_0002_01_000021/app/definition/package/scripts/accumulo_master.py", line 24, in <module>
    AccumuloScript('master').execute()
  File ".../nm-local-dir/usercache/elserj/appcache/application_1408503547578_0002/container_1408503547578_0002_01_000021/infra/agent/slider-agent/resource_management/libraries/script/script.py", line 114, in execute
    method(env)
  File ".../nm-local-dir/usercache/elserj/appcache/application_1408503547578_0002/filecache/19/apache-slider-accumulo-1.6.0-app-package-0.40.zip/package/scripts/accumulo_script.py", line 82, in start
    self.configure(env) # for security
  File ".../nm-local-dir/usercache/elserj/appcache/application_1408503547578_0002/filecache/19/apache-slider-accumulo-1.6.0-app-package-0.40.zip/package/scripts/accumulo_script.py", line 76, in configure
    setup_conf_dir(name=self.component)
  File ".../tmp/nm-local-dir/usercache/elserj/appcache/application_1408503547578_0002/filecache/19/apache-slider-accumulo-1.6.0-app-package-0.40.zip/package/scripts/accumulo_configuration.py", line 31, in setup_conf_dir
    recursive = True
  File ".../nm-local-dir/usercache/elserj/appcache/application_1408503547578_0002/container_1408503547578_0002_01_000021/infra/agent/slider-agent/resource_management/core/base.py", line 148, in __init__
    self.env.run()
  File ".../nm-local-dir/usercache/elserj/appcache/application_1408503547578_0002/container_1408503547578_0002_01_000021/infra/agent/slider-agent/resource_management/core/environment.py", line 149, in run
    self.run_action(resource, action)
  File ".../nm-local-dir/usercache/elserj/appcache/application_1408503547578_0002/container_1408503547578_0002_01_000021/infra/agent/slider-agent/resource_management/core/environment.py", line 109, in run_action
    resource.provider)
  File ".../nm-local-dir/usercache/elserj/appcache/application_1408503547578_0002/container_1408503547578_0002_01_000021/infra/agent/slider-agent/resource_management/core/providers/__init__.py", line 72, in find_provider
    if resource in provider[env.system.os_family]:
KeyError: 'gentoo base system'
{noformat}

I'm rusty on my Python, but I believe this means that in {{slider-agent/src/main/python/resource_management/core/providers/__init__.py}}

{noformat}
if resource in provider[env.system.os_family]:
{noformat}

should be 

{noformat}
if resource in provider.get(env.system.os_family):
{noformat}

to avoid the Exception when the key doesn't exist (alternatively try/except, too), and get down to the {{default}} case.



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