Review Request: Improvement CLOUDSTACK-1875: add JSON output to cloudmonkey

[Justin Grudzien]

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https://reviews.apache.org/r/10275/
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Review request for cloudstack.


Description
-------

Added
1. display = [default|json|tabularize] has been added in the config to replace 
tabularize = [true|false]
2. tabularize is deprecated but we will still set it as "false" once the user 
removes it out of their config to avoid throwing an error. This will be removed 
in the next major version.
3. display = "default" is added to the [ui] section of the config if it is not 
present.
4. You can now output JSON formatted text by setting the config display = json
5. You can now filter text in JSON output mode. (i.e. list users 
account=grudzien filter=account,id,email). Filtered output returns a properly 
formatted JSON document.

Removed
1. Removed the printing of attr keys in read_config().

Deprecated
1. tabularize = [true|false] is now messaged as deprecated.


This addresses bug CLOUDSTACK-1875.


Diffs
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  tools/cli/cloudmonkey/cloudmonkey.py 94006c9 
  tools/cli/cloudmonkey/config.py 75605df 

Diff: https://reviews.apache.org/r/10275/diff/


Testing
-------

[ui]
color = true
prompt = > 
tabularize = false
display = json

$ python cloudmonkey.py list networks filter=name

tabularize config parameter is deprecated: please switch to display = 
[default,json,tabularize]

{
  "count": 2,
  "network": [
    {
      "name": "admin-network"
    },
    {
      "name": "GuestNetwork82"
    }
  ]
}


$ python cloudmonkey.py list networkofferings filter=name

tabularize config parameter is deprecated: please switch to display = 
[default,json,tabularize]

{
  "count": 8,
  "networkoffering": [
    {
      "name": "DefaultSharedNetworkOfferingWithSGService"
    },
    {
      "name": "DefaultSharedNetworkOffering"
    },
    {
      "name": "DefaultIsolatedNetworkOfferingWithSourceNatService"
    },
    {
      "name": "DefaultIsolatedNetworkOffering"
    },
    {
      "name": "DefaultSharedNetscalerEIPandELBNetworkOffering"
    },
    {
      "name": "DefaultIsolatedNetworkOfferingForVpcNetworks"
    },
    {
      "name": "DefaultIsolatedNetworkOfferingForVpcNetworksNoLB"
    },
    {
      "name": "Test Network Offering"
    }
  ]
}


Thanks,

Justin Grudzien