Michal Fojtik created DTACLOUD-382:
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Summary: JSON parser incompatibility between 1.9.3p194 and
1.9.3p370
Key: DTACLOUD-382
URL: https://issues.apache.org/jira/browse/DTACLOUD-382
Project: DeltaCloud
Issue Type: Bug
Components: CIMI/Frontend
Environment: deltacloud-core HEAD
(ea5fda91da9f8c061c2c2fa0a267c84501c743fa)
json_pure-1.7.5
Reporter: Michal Fojtik
Priority: Blocker
I found strange problem with JSON parser under 1.9.3 MRI ruby when you try to
create a new Machine.
Requirements:
~/code/core/server › rbenv versions
* 1.9.3-p194 (set by /home/mfojtik/code/core/server/.rbenv-version)
1.9.3-p286
How to reproduce:
1. Use 1.9.3p194, start Deltacloud API with CIMI frontend, then:
$ curl -v -X POST --user 'mockuser:mockpassword' -H 'Content-Type:
application/json' -d @machine.json http://localhost:3001/cimi/machines
Results: Everything works perfectly, Machine is created and JSON is returned to
console.
2. Use 1.9.3p286, start Deltacloud API with CIMI frontend, then:
$ curl -v -X POST --user 'mockuser:mockpassword' -H 'Content-Type:
application/json' -d @machine.json http://localhost:3001/cimi/machines
Result:
E, [2012-11-28T11:48:55.665131 #11346] ERROR -- 500: [TypeError] wrong argument
type JSON::Pure::Generator::State (expected Data)
/home/mfojtik/.rbenv/versions/1.9.3-p286/lib/ruby/gems/1.9.1/gems/json_pure-1.7.5/lib/json/pure/generator.rb:316:in
`to_json'
/home/mfojtik/.rbenv/versions/1.9.3-p286/lib/ruby/gems/1.9.1/gems/json_pure-1.7.5/lib/json/pure/generator.rb:316:in
`block in json_transform'
/home/mfojtik/.rbenv/versions/1.9.3-p286/lib/ruby/gems/1.9.1/gems/json_pure-1.7.5/lib/json/pure/generator.rb:309:in
`each'
/home/mfojtik/.rbenv/versions/1.9.3-p286/lib/ruby/gems/1.9.1/gems/json_pure-1.7.5/lib/json/pure/generator.rb:309:in
`json_transform'
/home/mfojtik/.rbenv/versions/1.9.3-p286/lib/ruby/gems/1.9.1/gems/json_pure-1.7.5/lib/json/pure/generator.rb:291:in
`to_json'
/home/mfojtik/.rbenv/versions/1.9.3-p286/lib/ruby/gems/1.9.1/gems/json_pure-1.7.5/lib/json/pure/generator.rb:257:in
`generate'
/home/mfojtik/.rbenv/versions/1.9.3-p286/lib/ruby/1.9.1/json/common.rb:216:in
`generate'
/home/mfojtik/code/core/server/lib/cimi/models/base.rb:232:in `to_json'
/home/mfojtik/code/core/server/lib/cimi/models/base.rb:243:in `to_json'
/home/mfojtik/code/core/server/lib/cimi/collections/machines.rb:58:in `block (5
levels) in <class:Machines>'
The Machine objects looks like this:
#<CIMI::Model::Machine:0x000000044423f8
@attribute_values={:id=>"http://localhost:3001/cimi/machines/inst9";,
:name=>"myMachine1", :description=>"My very first machine",
:created=>"2012-11-28T11:48:55+01:00", :property=>{"foo"=>"bar", "life"=>"is
life", "machine_image"=>"http://localhost:3001/cimi/machine_images/img1";,
"credential"=>"http://localhost:3001/cimi/credentials"}, :state=>"STARTED",
:cpu=>"1", :memory=>1781760, :disks=>#<Class::DiskCollection:0x00000004441c28
@attribute_values={:id=>nil,
:href=>"http://localhost:3001/cimi/machines/inst9/disks";, :count=>nil,
:disks=>[], :operations=>nil}>,
:volumes=>#<Class::MachineVolumeCollection:0x000000044416d8
@attribute_values={:id=>nil,
:href=>"http://localhost:3001/cimi/machines/inst9/volumes";, :count=>nil,
:machine_volumes=>[], :operations=>nil}>, :meters=>nil,
:operations=>[{:href=>"http://localhost:3001/cimi/machines/inst9/restart";,
:rel=>"http://schemas.dmtf.org/cimi/1/action/restart"},
{:href=>"http://localhost:3001/cimi/machines/inst9/stop";,
:rel=>"http://schemas.dmtf.org/cimi/1/action/stop"},
{:href=>"http://localhost:3001/cimi/machine_images";,
:rel=>"http://schemas.dmtf.org/cimi/1/action/capture"}]}>
(nothing suspicious).
I think this is caused by something they added to p286, but I was unable to
track the problem down. With this bug almost every 'create' operation fail.
Strangely enough, returning a Machine or MachineCollection in JSON works
without problems.
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