Scott Duan created AMBARI-24196:
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Summary: Mpack Instance Manager Produces Bad JSON and Doesn't List
Versions
Key: AMBARI-24196
URL: https://issues.apache.org/jira/browse/AMBARI-24196
Project: Ambari
Issue Type: New Feature
Components: ambari-server
Affects Versions: 3.0.0
Reporter: Scott Duan
Assignee: Scott Duan
Fix For: 3.0.0
The Mpack Instance manage is producing JSON output which cannot be parsed by
non-Python parsers:
- Includes unicode markers for strings (like \{{u'ZOOKEEPER'}})
- Uses non-standard single quotes
{code}
[root@c7403 mpack-instance-manager]$ python mpack-instance-manager.py
list-instances
{'mpacks': \{'hdpcore': {'mpack-instances': {'HDPCORE': {'name': 'HDPCORE',
'subgroups': {'default': {'modules': {'zookeeper': {'category': u'SERVER',
'name': 'zookeeper', 'components': {'zookeeper_server': {'component-instances':
{'default': {'path': '/usr/hwx/mpacks/hdpcore/1.0.0-b450/zookeeper_server',
'name': 'default'}}}}}, 'zookeeper_clients': \{'category': u'CLIENT', 'name':
'zookeeper_clients', 'components': {'zookeeper_client': {'component-instances':
{'default': {'path': '/usr/hwx/mpacks/hdpcore/1.0.0-b450/zookeeper_client',
'name': 'default'}}}}}}}}}}}}}
{code}
It also fails to provide information about the mpack version and component
version. The output from the command \{{list-instances}} needs to provide both
the mpack version and the module component version. Otherwise, this data cannot
be reported back.
If the \{{list-instances}} is not the correct command for this, then that's
fine, but we still need a command we can invoke to get this information back in
a structure manner.
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