IT27276: PUREAPPLICATION: PARALLEL EXECUTED PYTHON SCRIPTS CAN FAIL TO DECODE THE PASSWORD DURING STARTUP CORRECTLY

IBM Cloud Pak System Version 2.3.3.0
IBM PureApplication Version 2.3.3.0

APAR status

• Closed as program error.

Error description

• Ø
  This leads to a deployment in error.
  
  A concurrently written /0config/enckey file triggers one of the
  scripts to fail with:
  *****
  [Mon 06 Aug 2018 11:38:39 AM CEST] invoker 139987760920384
  pid=13542 DEBUG Traceback (most recent call last):
    File
  "/opt/IBM/maestro/agent/usr/servers/LINUX_RH7.11533547869160/pyt
  hon/invoker.py", line 227, in execute
      execfile(pyfile, _pyglobals)
    File
  "/opt/IBM/maestro/agent/usr/servers/LINUX_RH7.11533547869160/scr
  ipts/Script/start.py", line 30, in <module>
      maestro.vsys.scriptUtils.handle_script(name=name,
  version=version,
  target_exec_modes=maestro.vsys.scriptUtils.AT_VS_CREATION)
    File
  "/0config/nodepkgs/common/python/maestro/vsys/scriptUtils.py",
  line 543, in handle_script
      execute_script(script_json, temp_path, parms, hidden_parms)
    File
  "/0config/nodepkgs/common/python/maestro/vsys/scriptUtils.py",
  line 466, in execute_script
      _execute_script(script_json, temp_path, parms)
    File
  "/0config/nodepkgs/common/python/maestro/vsys/scriptUtils.py",
  line 351, in _execute_script
      _populate_env_var(script_env, keys, input_parms=parms)
    File
  "/0config/nodepkgs/common/python/maestro/vsys/scriptUtils.py",
  line 570, in _populate_env_var
      env['WAS_PASSWORD'] =
  maestro.decode(ovf_env_data['ConfigPWD_USER.password'])
    File "/0config/nodepkgs/common/python/maestro/__init__.py",
  line 923, in decode
      return decrypt (s);
    File "/0config/nodepkgs/common/python/maestro/__init__.py",
  line 938, in decrypt
      did_key = json.load(f)
    File "/usr/lib64/python2.7/json/__init__.py", line 290, in
  load
      **kw)
    File "/usr/lib64/python2.7/json/__init__.py", line 338, in
  loads
      return _default_decoder.decode(s)
    File "/usr/lib64/python2.7/json/decoder.py", line 366, in
  decode
      obj, end = self.raw_decode(s, idx=_w(s, 0).end())
    File "/usr/lib64/python2.7/json/decoder.py", line 384, in
  raw_decode
      raise ValueError("No JSON object could be decoded")
  ValueError: No JSON object could be decoded
  *****
  

Local fix

• N/A
  

Problem summary

• Must Gather Logs script package failure
  

Problem conclusion

• Failure is because of the race condition, it
  is the script packages that are trying to
  simultaneously download the same file. This
  race condition is fixed.
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Modules/Macros

• UNKNOWN
  

Fix information

• Fixed component name

  PUREAPP SOFTWAR

• Fixed component ID

  5725Q5200

Applicable component levels

• R233 PSY

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