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https://issues.apache.org/jira/browse/DTACLOUD-400?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13532255#comment-13532255
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Marios Andreou commented on DTACLOUD-400:
-----------------------------------------
OK - 2 parts to this.
1. The precondition failed is because for the rhevm driver, it isn't possible
to create a volume (michal has more info on why - but basically "RHEV-M does
not support creating standalone 'disk', it must be 'for instance' ->
https://access.redhat.com/knowledge/docs/en-US/Red_Hat_Enterprise_Virtualization/3.0/html-single/REST_API_Guide/index.html#sect-REST_API_Guide-VMs-Disks";).
2. The tests need to guard against this inability to execute some action. Like
we do for deltacloud API tests - when some capability is not supported (create
volume in this case) then those tests should be skipped.
2 patches tracked at http://tracker.deltacloud.org/set/208. Patch 2/2 is for
the server side - to not expose the 'add' URI for a collection when the given
driver doesn't support that operation. Patch 1/2 adds a 'need_capability' check
for the tests...
marios
> "POST /cimi/volumes" returns 412 Precondition Failed for server pointing at
> RHEVM provider
> ------------------------------------------------------------------------------------------
>
> Key: DTACLOUD-400
> URL: https://issues.apache.org/jira/browse/DTACLOUD-400
> Project: DeltaCloud
> Issue Type: Bug
> Components: CIMI/Frontend
> Environment: Deltacloud commit version:
> 15c1e8b702460b43fc445cbbc13657d9affd2977
> RHEVM 3.0
> Reporter: Ronelle Landy
> Assignee: Marios Andreou
> Attachments:
> 0001-CIMI-dont-expose-add-URI-for-collection-if-not-suppo.patch,
> 0002-CIMI-tests-skip-if-capability-supported-DTACLOUD-400.patch
>
>
> Found while running cimiplan tests - part4_test.rb - testing Deltacloud
> server with cimi frontend - pointing at RHEVM provider:
> Executing the following lines in the test code:
> *************
> volume = post(volume_add_uri,
> "<VolumeCreate xmlns=\"#{CIMI::Test::CIMI_NAMESPACE}\">" +
> "<name>cimi_volume_for_attach_new</name>" +
> "<description>volume for attach testing</description>" +
> "<volumeTemplate>" +
> "<volumeConfig href=\"" + get_a(cep_json, "volumeConfig") + "\">" +
> "</volumeConfig>" +
> "</volumeTemplate>" +
> "</VolumeCreate>",
> :accept => :json, :content_type => :xml)
> **************
> /usr/lib/ruby/gems/1.8/gems/rest-client-1.6.7/lib/restclient/abstract_response.rb:48:in
> `return!': 412 Precondition Failed (RestClient::PreconditionFailed)
> from
> /usr/lib/ruby/gems/1.8/gems/rest-client-1.6.7/lib/restclient/request.rb:230:in
> `process_result'
> from
> /usr/lib/ruby/gems/1.8/gems/rest-client-1.6.7/lib/restclient/request.rb:178:in
> `transmit'
> from /usr/lib/ruby/1.8/net/http.rb:543:in `start'
> from
> /usr/lib/ruby/gems/1.8/gems/rest-client-1.6.7/lib/restclient/request.rb:172:in
> `transmit'
> from
> /usr/lib/ruby/gems/1.8/gems/rest-client-1.6.7/lib/restclient/request.rb:64:in
> `execute'
> from
> /usr/lib/ruby/gems/1.8/gems/rest-client-1.6.7/lib/restclient/request.rb:33:in
> `execute'
> from
> /usr/lib/ruby/gems/1.8/gems/rest-client-1.6.7/lib/restclient.rb:72:in `post'
> from ./test_helper.rb:153:in `post'
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