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vsphere-automation-sdk-python/vsphere/6.0/_modules/vmware/vapi/provider/local.html
Tianhao He 9bf9af8207 add vsphere, vmc and nsx API docs
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<h1>Source code for vmware.vapi.provider.local</h1><div class="highlight"><pre>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd">Local Api Provider</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="n">__author__</span> <span class="o">=</span> <span class="s">&#39;VMware, Inc.&#39;</span>
<span class="n">__copyright__</span> <span class="o">=</span> <span class="s">&#39;Copyright 2011-2013 VMware, Inc. All rights reserved. -- VMware Confidential&#39;</span>
<span class="kn">import</span> <span class="nn">inspect</span>
<span class="kn">import</span> <span class="nn">logging</span>
<span class="kn">import</span> <span class="nn">traceback</span>
<span class="kn">from</span> <span class="nn">vmware.vapi.core</span> <span class="kn">import</span> <span class="p">(</span>
<span class="n">ApiInterface</span><span class="p">,</span> <span class="n">ApiProvider</span><span class="p">,</span> <span class="n">MethodResult</span><span class="p">,</span> <span class="n">MethodIdentifier</span><span class="p">,</span>
<span class="n">InterfaceIdentifier</span><span class="p">)</span>
<span class="kn">from</span> <span class="nn">vmware.vapi.data.definition</span> <span class="kn">import</span> <span class="p">(</span><span class="n">DataDefinition</span><span class="p">,</span> <span class="n">StructDefinition</span><span class="p">)</span>
<span class="kn">from</span> <span class="nn">vmware.vapi.data.type</span> <span class="kn">import</span> <span class="n">Type</span>
<span class="kn">from</span> <span class="nn">vmware.vapi.lib.std</span> <span class="kn">import</span> <span class="p">(</span>
<span class="n">make_error_value_from_error_value_and_msgs</span><span class="p">,</span>
<span class="n">make_error_value_from_msg_id</span><span class="p">,</span>
<span class="n">make_error_value_from_msgs</span><span class="p">,</span>
<span class="n">make_std_error_def</span><span class="p">,</span>
<span class="p">)</span>
<span class="kn">from</span> <span class="nn">vmware.vapi.data.serializers.introspection</span> <span class="kn">import</span> <span class="n">convert_data_def_to_data_value</span>
<span class="kn">from</span> <span class="nn">vmware.vapi.l10n.runtime</span> <span class="kn">import</span> <span class="n">message_factory</span>
<span class="kn">from</span> <span class="nn">vmware.vapi.settings.sections</span> <span class="kn">import</span> <span class="n">ENDPOINT</span>
<span class="kn">from</span> <span class="nn">vmware.vapi.bindings.skeleton</span> <span class="kn">import</span> <span class="n">VapiInterface</span>
<span class="kn">from</span> <span class="nn">vmware.vapi.provider</span> <span class="kn">import</span> <span class="n">introspection</span>
<span class="kn">from</span> <span class="nn">vmware.vapi.provider.lib</span> <span class="kn">import</span> <span class="n">augment_method_result_with_errors</span>
<span class="n">logger</span> <span class="o">=</span> <span class="n">logging</span><span class="o">.</span><span class="n">getLogger</span><span class="p">(</span><span class="n">__name__</span><span class="p">)</span>
<div class="viewcode-block" id="LocalProvider"><a class="viewcode-back" href="../../../../vmware.vapi.provider.html#vmware.vapi.provider.local.LocalProvider">[docs]</a><span class="k">class</span> <span class="nc">LocalProvider</span><span class="p">(</span><span class="n">ApiProvider</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> LocalProvider is a local in-process implementation of the</span>
<span class="sd"> ApiProvider interface</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="c"># XXX These error definitions should be eliminated when we figure out</span>
<span class="c"># where/how to get the error definitions used by the local provider</span>
<span class="n">_internal_server_error_def</span> <span class="o">=</span> <span class="n">make_std_error_def</span><span class="p">(</span>
<span class="s">&#39;com.vmware.vapi.std.errors.internal_server_error&#39;</span><span class="p">)</span>
<span class="n">_invalid_argument_def</span> <span class="o">=</span> <span class="n">make_std_error_def</span><span class="p">(</span>
<span class="s">&#39;com.vmware.vapi.std.errors.invalid_argument&#39;</span><span class="p">)</span>
<span class="n">_operation_not_found_def</span> <span class="o">=</span> <span class="n">make_std_error_def</span><span class="p">(</span>
<span class="s">&#39;com.vmware.vapi.std.errors.operation_not_found&#39;</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">load_introspection</span><span class="o">=</span><span class="bp">True</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> Initialize LocalProvider</span>
<span class="sd"> :type load_introspection: :class:`bool`</span>
<span class="sd"> :param load_introspection: If true, load introspection services</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="n">ApiProvider</span><span class="o">.</span><span class="n">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_name</span> <span class="o">=</span> <span class="s">&quot;LocalProvider&quot;</span>
<span class="c"># key = service id, value = api interface</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_service_map</span> <span class="o">=</span> <span class="p">{}</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_introspector</span> <span class="o">=</span> <span class="n">introspection</span><span class="o">.</span><span class="n">LocalProviderIntrospector</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_name</span><span class="p">)</span>
<span class="k">if</span> <span class="n">load_introspection</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">add_interface</span><span class="p">(</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_introspector</span><span class="o">.</span><span class="n">get_introspection_services</span><span class="p">())</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_error_defs_to_augment</span> <span class="o">=</span> <span class="p">[</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_internal_server_error_def</span><span class="p">,</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_invalid_argument_def</span><span class="p">,</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_operation_not_found_def</span><span class="p">,</span>
<span class="p">]</span>
<span class="c"># these are the errors that should be augmented</span>
<span class="c"># when `get` operation is invoked on</span>
<span class="c"># com.vmware.vapi.std.introspection.Operation</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_error_values_to_augment</span> <span class="o">=</span> <span class="p">[</span>
<span class="n">convert_data_def_to_data_value</span><span class="p">(</span><span class="n">error_def</span><span class="p">)</span>
<span class="k">for</span> <span class="n">error_def</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_error_defs_to_augment</span>
<span class="p">]</span>
<div class="viewcode-block" id="LocalProvider.register_by_properties"><a class="viewcode-back" href="../../../../vmware.vapi.provider.html#vmware.vapi.provider.local.LocalProvider.register_by_properties">[docs]</a> <span class="k">def</span> <span class="nf">register_by_properties</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">properties</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> Register set of interfaces using properties dictionary</span>
<span class="sd"> :type properties: :class:`ConfigParser.SafeConfigParser`</span>
<span class="sd"> :param properties: Configuration for this vAPI provider</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="k">if</span> <span class="n">properties</span><span class="o">.</span><span class="n">has_option</span><span class="p">(</span><span class="n">ENDPOINT</span><span class="p">,</span> <span class="s">&#39;provider.name&#39;</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_name</span> <span class="o">=</span> <span class="n">properties</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">ENDPOINT</span><span class="p">,</span> <span class="s">&#39;provider.name&#39;</span><span class="p">)</span>
<span class="n">services</span> <span class="o">=</span> <span class="n">properties</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">ENDPOINT</span><span class="p">,</span> <span class="s">&#39;local.interfaces&#39;</span><span class="p">)</span>
<span class="n">services</span> <span class="o">=</span> <span class="n">services</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s">&#39;</span><span class="se">\n</span><span class="s">&#39;</span><span class="p">,</span> <span class="s">&#39;&#39;</span><span class="p">)</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s">&#39;</span><span class="se">\\</span><span class="s">&#39;</span><span class="p">,</span> <span class="s">&#39;&#39;</span><span class="p">)</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s">&#39;,&#39;</span><span class="p">)</span>
<span class="k">for</span> <span class="n">service</span> <span class="ow">in</span> <span class="n">services</span><span class="p">:</span>
<span class="n">service</span> <span class="o">=</span> <span class="n">service</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span>
<span class="k">if</span> <span class="n">service</span><span class="p">:</span>
<span class="c"># Get the service specific configuration from the properties</span>
<span class="n">service_cfg</span> <span class="o">=</span> <span class="p">{}</span>
<span class="k">if</span> <span class="n">properties</span><span class="o">.</span><span class="n">has_section</span><span class="p">(</span><span class="n">service</span><span class="p">):</span>
<span class="n">service_cfg</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">(</span><span class="n">properties</span><span class="o">.</span><span class="n">items</span><span class="p">(</span><span class="n">service</span><span class="p">))</span>
<span class="n">fn</span> <span class="o">=</span> <span class="s">&quot;register_instance&quot;</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">module</span> <span class="o">=</span> <span class="nb">__import__</span><span class="p">(</span><span class="n">service</span><span class="p">,</span> <span class="nb">globals</span><span class="p">(),</span> <span class="nb">locals</span><span class="p">(),</span> <span class="p">[</span><span class="n">fn</span><span class="p">])</span>
<span class="n">register_fn</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">module</span><span class="p">,</span> <span class="n">fn</span><span class="p">)</span>
<span class="c"># XXX: Remove the if condition once all the implementations</span>
<span class="c"># have been updated to use the new cfg parameter</span>
<span class="k">if</span> <span class="n">inspect</span><span class="o">.</span><span class="n">getargspec</span><span class="p">(</span><span class="n">register_fn</span><span class="p">)</span><span class="o">.</span><span class="n">args</span><span class="p">:</span>
<span class="n">ifaces</span> <span class="o">=</span> <span class="n">register_fn</span><span class="p">(</span><span class="n">service_cfg</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">ifaces</span> <span class="o">=</span> <span class="n">register_fn</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">add_interface</span><span class="p">(</span><span class="n">ifaces</span><span class="p">)</span>
<span class="k">except</span> <span class="ne">Exception</span><span class="p">:</span>
<span class="n">stack_trace</span> <span class="o">=</span> <span class="n">traceback</span><span class="o">.</span><span class="n">format_exc</span><span class="p">()</span>
<span class="k">raise</span> <span class="ne">Exception</span><span class="p">(</span><span class="s">&#39;Could not add service </span><span class="si">%s</span><span class="s"> due to </span><span class="si">%s</span><span class="s">&#39;</span>
<span class="o">%</span> <span class="p">(</span><span class="n">service</span><span class="p">,</span> <span class="n">stack_trace</span><span class="p">))</span>
</div>
<div class="viewcode-block" id="LocalProvider.add_interface"><a class="viewcode-back" href="../../../../vmware.vapi.provider.html#vmware.vapi.provider.local.LocalProvider.add_interface">[docs]</a> <span class="k">def</span> <span class="nf">add_interface</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">ifaces</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> Register an interface with LocalProvider</span>
<span class="sd"> :type ifaces: :class:`list` of :class:`vmware.vapi.core.ApiInterface`</span>
<span class="sd"> :param ifaces: Interfaces to be registered</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">ifaces</span><span class="p">,</span> <span class="nb">list</span><span class="p">):</span>
<span class="n">ifaces</span> <span class="o">=</span> <span class="p">[</span><span class="n">ifaces</span><span class="p">]</span>
<span class="k">for</span> <span class="n">iface</span> <span class="ow">in</span> <span class="n">ifaces</span><span class="p">:</span>
<span class="c"># iface could be VapiInterface if bindings layer is registering</span>
<span class="c"># it&#39;s interfaces. In that case, extract the skeleton from</span>
<span class="c"># VapiInterface</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">iface</span><span class="p">,</span> <span class="n">VapiInterface</span><span class="p">):</span>
<span class="n">api_iface</span> <span class="o">=</span> <span class="n">iface</span><span class="o">.</span><span class="n">api_interface</span>
<span class="c"># In Dynamic providers, where ApiInterface is implemented directly</span>
<span class="c"># instead of using bindings, an instance of ApiInterface is passed</span>
<span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">iface</span><span class="p">,</span> <span class="n">ApiInterface</span><span class="p">):</span>
<span class="n">api_iface</span> <span class="o">=</span> <span class="n">iface</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">Exception</span><span class="p">(</span>
<span class="s">&#39;Could not register the interface </span><span class="si">%s</span><span class="s">. It has to be either &#39;</span>
<span class="s">&#39;an instance of vmware.vapi.bindings.VapiInterface or &#39;</span>
<span class="s">&#39;an instance of vmware.vapi.core.ApiInterface&#39;</span> <span class="o">%</span> <span class="nb">str</span><span class="p">(</span><span class="n">iface</span><span class="o">.</span><span class="n">__class__</span><span class="p">))</span>
<span class="n">service_id</span> <span class="o">=</span> <span class="n">api_iface</span><span class="o">.</span><span class="n">get_identifier</span><span class="p">()</span><span class="o">.</span><span class="n">get_name</span><span class="p">()</span>
<span class="k">if</span> <span class="n">service_id</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_service_map</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">Exception</span><span class="p">(</span><span class="s">&#39;Service already registered: </span><span class="si">%s</span><span class="s">&#39;</span> <span class="o">%</span> <span class="n">service_id</span><span class="p">)</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s">&#39;Registering service: </span><span class="si">%s</span><span class="s">&#39;</span><span class="p">,</span> <span class="n">service_id</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_service_map</span><span class="p">[</span><span class="n">service_id</span><span class="p">]</span> <span class="o">=</span> <span class="n">api_iface</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_introspector</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_introspector</span><span class="o">.</span><span class="n">add_service</span><span class="p">(</span><span class="n">service_id</span><span class="p">,</span> <span class="n">api_iface</span><span class="p">)</span>
</div>
<span class="nd">@staticmethod</span>
<span class="k">def</span> <span class="nf">_validate_error</span><span class="p">(</span><span class="n">error_value</span><span class="p">,</span> <span class="n">method_definition</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> Validate the error_value is allowed to be reported by the method</span>
<span class="sd"> described by method_definition.</span>
<span class="sd"> :type error_value: :class:`vmware.vapi.data.value.ErrorValue`</span>
<span class="sd"> :param error_value: Error value to validate</span>
<span class="sd"> :type method_definition: :class:`vmware.vapi.core.MethodDefinition`</span>
<span class="sd"> :param method_definition: definition of the method to validate against.</span>
<span class="sd"> :rtype: :class:`vmware.vapi.message.Message` or None</span>
<span class="sd"> :return: the messages describing the validation failure or None if</span>
<span class="sd"> validation succeeded</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="n">error_def</span> <span class="o">=</span> <span class="n">method_definition</span><span class="o">.</span><span class="n">get_error_definition</span><span class="p">(</span><span class="n">error_value</span><span class="o">.</span><span class="n">name</span><span class="p">)</span>
<span class="k">if</span> <span class="n">error_def</span> <span class="ow">is</span> <span class="bp">None</span><span class="p">:</span>
<span class="n">method_id</span> <span class="o">=</span> <span class="n">method_definition</span><span class="o">.</span><span class="n">get_identifier</span><span class="p">()</span>
<span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s">&quot;Method </span><span class="si">%s</span><span class="s"> reported the error </span><span class="si">%s</span><span class="s"> which is not in &quot;</span>
<span class="o">+</span> <span class="s">&quot;MethodDefinition&quot;</span><span class="p">,</span>
<span class="n">method_id</span><span class="o">.</span><span class="n">get_name</span><span class="p">(),</span> <span class="n">error_value</span><span class="o">.</span><span class="n">name</span><span class="p">)</span>
<span class="n">message</span> <span class="o">=</span> <span class="n">message_factory</span><span class="o">.</span><span class="n">get_message</span><span class="p">(</span>
<span class="s">&#39;vapi.method.status.errors.invalid&#39;</span><span class="p">,</span>
<span class="n">error_value</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">method_id</span><span class="o">.</span><span class="n">get_name</span><span class="p">()))</span>
<span class="k">return</span> <span class="p">[</span><span class="n">message</span><span class="p">]</span>
<span class="n">messages</span> <span class="o">=</span> <span class="n">error_def</span><span class="o">.</span><span class="n">validate</span><span class="p">(</span><span class="n">error_value</span><span class="p">)</span>
<span class="k">return</span> <span class="n">messages</span>
<span class="k">def</span> <span class="nf">_invoke_int</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">service_id</span><span class="p">,</span> <span class="n">operation_id</span><span class="p">,</span> <span class="n">input_value</span><span class="p">,</span> <span class="n">ctx</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> Internal implementation of InvokeMethod</span>
<span class="sd"> :type service_id: :class:`str`</span>
<span class="sd"> :param service_id: Service identifier</span>
<span class="sd"> :type operation_id: :class:`str`</span>
<span class="sd"> :param operation_id: Operation identifier</span>
<span class="sd"> :type ctx: :class:`vmware.vapi.core.ExecutionContext`</span>
<span class="sd"> :param ctx: Execution context for this method</span>
<span class="sd"> :type input_value: :class:`vmware.vapi.data.value.StructValue`</span>
<span class="sd"> :param input_value: Method input parameters</span>
<span class="sd"> :rtype: :class:`vmware.vapi.core.MethodResult`</span>
<span class="sd"> :return: Result of the method invocation</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="c"># Step 0: Verify input types</span>
<span class="k">if</span> <span class="p">(</span><span class="n">input_value</span> <span class="ow">and</span> <span class="ow">not</span> <span class="p">(</span><span class="n">input_value</span><span class="o">.</span><span class="n">type</span> <span class="o">==</span> <span class="n">Type</span><span class="o">.</span><span class="n">STRUCTURE</span><span class="p">)):</span>
<span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s">&quot;Invalid inputs&quot;</span><span class="p">)</span>
<span class="n">error_value</span> <span class="o">=</span> <span class="n">make_error_value_from_msg_id</span><span class="p">(</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_invalid_argument_def</span><span class="p">,</span> <span class="s">&#39;vapi.method.input.invalid&#39;</span><span class="p">)</span>
<span class="k">return</span> <span class="n">MethodResult</span><span class="p">(</span><span class="n">error</span><span class="o">=</span><span class="n">error_value</span><span class="p">)</span>
<span class="n">iface_id</span> <span class="o">=</span> <span class="n">InterfaceIdentifier</span><span class="p">(</span><span class="n">service_id</span><span class="p">)</span>
<span class="n">method_id</span> <span class="o">=</span> <span class="n">MethodIdentifier</span><span class="p">(</span><span class="n">iface_id</span><span class="p">,</span> <span class="n">operation_id</span><span class="p">)</span>
<span class="c"># Step 1: Get method definition</span>
<span class="n">iface</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_service_map</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">service_id</span><span class="p">)</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">iface</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s">&#39;Could not find service: </span><span class="si">%s</span><span class="s">&#39;</span><span class="p">,</span> <span class="n">service_id</span><span class="p">)</span>
<span class="n">error_value</span> <span class="o">=</span> <span class="n">make_error_value_from_msg_id</span><span class="p">(</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_operation_not_found_def</span><span class="p">,</span>
<span class="s">&#39;vapi.method.input.invalid.interface&#39;</span><span class="p">,</span>
<span class="n">service_id</span><span class="p">)</span>
<span class="k">return</span> <span class="n">MethodResult</span><span class="p">(</span><span class="n">error</span><span class="o">=</span><span class="n">error_value</span><span class="p">)</span>
<span class="n">method_def</span> <span class="o">=</span> <span class="n">iface</span><span class="o">.</span><span class="n">get_method_definition</span><span class="p">(</span><span class="n">method_id</span><span class="p">)</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">method_def</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s">&quot;Could not find method </span><span class="si">%s</span><span class="s">&quot;</span><span class="p">,</span> <span class="n">method_id</span><span class="o">.</span><span class="n">get_name</span><span class="p">())</span>
<span class="n">error_value</span> <span class="o">=</span> <span class="n">make_error_value_from_msg_id</span><span class="p">(</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_operation_not_found_def</span><span class="p">,</span>
<span class="s">&#39;vapi.method.input.invalid.method&#39;</span><span class="p">,</span>
<span class="n">method_id</span><span class="o">.</span><span class="n">get_name</span><span class="p">())</span>
<span class="k">return</span> <span class="n">MethodResult</span><span class="p">(</span><span class="n">error</span><span class="o">=</span><span class="n">error_value</span><span class="p">)</span>
<span class="n">input_def</span> <span class="o">=</span> <span class="n">method_def</span><span class="o">.</span><span class="n">get_input_definition</span><span class="p">()</span>
<span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">input_def</span><span class="p">,</span> <span class="n">StructDefinition</span><span class="p">):</span>
<span class="n">error_value</span> <span class="o">=</span> <span class="n">make_error_value_from_msg_id</span><span class="p">(</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_internal_server_error_def</span><span class="p">,</span>
<span class="s">&#39;vapi.method.input.invalid.definition&#39;</span><span class="p">)</span>
<span class="k">return</span> <span class="n">MethodResult</span><span class="p">(</span><span class="n">error</span><span class="o">=</span><span class="n">error_value</span><span class="p">)</span>
<span class="n">output_def</span> <span class="o">=</span> <span class="n">method_def</span><span class="o">.</span><span class="n">get_output_definition</span><span class="p">()</span>
<span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">output_def</span><span class="p">,</span> <span class="n">DataDefinition</span><span class="p">):</span>
<span class="n">error_value</span> <span class="o">=</span> <span class="n">make_error_value_from_msg_id</span><span class="p">(</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_internal_server_error_def</span><span class="p">,</span>
<span class="s">&#39;vapi.method.output.invalid.definition&#39;</span><span class="p">)</span>
<span class="k">return</span> <span class="n">MethodResult</span><span class="p">(</span><span class="n">error</span><span class="o">=</span><span class="n">error_value</span><span class="p">)</span>
<span class="c"># Step 2: Validate input with input def</span>
<span class="n">input_def</span><span class="o">.</span><span class="n">complete_value</span><span class="p">(</span><span class="n">input_value</span><span class="p">)</span>
<span class="n">messages</span> <span class="o">=</span> <span class="n">input_def</span><span class="o">.</span><span class="n">validate</span><span class="p">(</span><span class="n">input_value</span><span class="p">)</span>
<span class="k">if</span> <span class="n">messages</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s">&quot;Input validation failed for method </span><span class="si">%s</span><span class="s">&quot;</span><span class="p">,</span>
<span class="n">method_id</span><span class="o">.</span><span class="n">get_name</span><span class="p">())</span>
<span class="n">error_value</span> <span class="o">=</span> <span class="n">make_error_value_from_msgs</span><span class="p">(</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_invalid_argument_def</span><span class="p">,</span> <span class="o">*</span><span class="n">messages</span><span class="p">)</span>
<span class="k">return</span> <span class="n">MethodResult</span><span class="p">(</span><span class="n">error</span><span class="o">=</span><span class="n">error_value</span><span class="p">)</span>
<span class="c"># Step 3: Execute method</span>
<span class="n">method_result</span> <span class="o">=</span> <span class="n">iface</span><span class="o">.</span><span class="n">invoke</span><span class="p">(</span><span class="n">ctx</span><span class="p">,</span> <span class="n">method_id</span><span class="p">,</span> <span class="n">input_value</span><span class="p">)</span>
<span class="c"># Step 4: Validate output with output def or error against errors set</span>
<span class="k">if</span> <span class="n">method_result</span><span class="o">.</span><span class="n">success</span><span class="p">():</span>
<span class="n">messages</span> <span class="o">=</span> <span class="n">output_def</span><span class="o">.</span><span class="n">validate</span><span class="p">(</span><span class="n">method_result</span><span class="o">.</span><span class="n">output</span><span class="p">)</span>
<span class="k">if</span> <span class="n">messages</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s">&quot;Output validation failed for method </span><span class="si">%s</span><span class="s">&quot;</span><span class="p">,</span>
<span class="n">method_id</span><span class="o">.</span><span class="n">get_name</span><span class="p">())</span>
<span class="n">error_value</span> <span class="o">=</span> <span class="n">make_error_value_from_msgs</span><span class="p">(</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_internal_server_error_def</span><span class="p">,</span> <span class="o">*</span><span class="n">messages</span><span class="p">)</span>
<span class="k">return</span> <span class="n">MethodResult</span><span class="p">(</span><span class="n">error</span><span class="o">=</span><span class="n">error_value</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">error_value</span> <span class="o">=</span> <span class="n">method_result</span><span class="o">.</span><span class="n">error</span>
<span class="n">messages</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_validate_error</span><span class="p">(</span><span class="n">error_value</span><span class="p">,</span> <span class="n">method_def</span><span class="p">)</span>
<span class="k">if</span> <span class="n">messages</span><span class="p">:</span>
<span class="n">new_error_value</span> <span class="o">=</span> <span class="n">make_error_value_from_error_value_and_msgs</span><span class="p">(</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_internal_server_error_def</span><span class="p">,</span>
<span class="n">error_value</span><span class="p">,</span>
<span class="o">*</span><span class="n">messages</span><span class="p">)</span>
<span class="k">return</span> <span class="n">MethodResult</span><span class="p">(</span><span class="n">error</span><span class="o">=</span><span class="n">new_error_value</span><span class="p">)</span>
<span class="k">return</span> <span class="n">method_result</span>
<div class="viewcode-block" id="LocalProvider.invoke"><a class="viewcode-back" href="../../../../vmware.vapi.provider.html#vmware.vapi.provider.local.LocalProvider.invoke">[docs]</a> <span class="k">def</span> <span class="nf">invoke</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">service_id</span><span class="p">,</span> <span class="n">operation_id</span><span class="p">,</span> <span class="n">input_value</span><span class="p">,</span> <span class="n">ctx</span><span class="p">):</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s">&quot;Started: Service: </span><span class="si">%s</span><span class="s">, Operation: </span><span class="si">%s</span><span class="s">, Ctx: </span><span class="si">%s</span><span class="s">&quot;</span><span class="p">,</span>
<span class="n">service_id</span><span class="p">,</span> <span class="n">operation_id</span><span class="p">,</span> <span class="n">ctx</span><span class="p">)</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">method_result</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_invoke_int</span><span class="p">(</span>
<span class="n">service_id</span><span class="p">,</span> <span class="n">operation_id</span><span class="p">,</span> <span class="n">input_value</span><span class="p">,</span> <span class="n">ctx</span><span class="p">)</span>
<span class="k">if</span> <span class="n">method_result</span><span class="o">.</span><span class="n">success</span><span class="p">():</span>
<span class="n">method_result</span> <span class="o">=</span> <span class="n">augment_method_result_with_errors</span><span class="p">(</span>
<span class="n">service_id</span><span class="p">,</span>
<span class="n">operation_id</span><span class="p">,</span>
<span class="n">method_result</span><span class="p">,</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_error_values_to_augment</span><span class="p">)</span>
<span class="k">except</span> <span class="ne">Exception</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">exception</span><span class="p">(</span><span class="s">&quot;Error in invoking </span><span class="si">%s</span><span class="s"> in </span><span class="si">%s</span><span class="s"> - </span><span class="si">%s</span><span class="s">&quot;</span><span class="p">,</span>
<span class="n">service_id</span><span class="p">,</span> <span class="n">operation_id</span><span class="p">,</span> <span class="n">e</span><span class="p">)</span>
<span class="n">error_value</span> <span class="o">=</span> <span class="n">make_error_value_from_msg_id</span><span class="p">(</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_internal_server_error_def</span><span class="p">,</span>
<span class="s">&#39;vapi.method.invoke.exception&#39;</span><span class="p">,</span>
<span class="nb">str</span><span class="p">(</span><span class="n">e</span><span class="p">))</span>
<span class="n">method_result</span> <span class="o">=</span> <span class="n">MethodResult</span><span class="p">(</span><span class="n">error</span><span class="o">=</span><span class="n">error_value</span><span class="p">)</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s">&quot;Finished: Service: </span><span class="si">%s</span><span class="s">. Operation </span><span class="si">%s</span><span class="s">, Ctx: </span><span class="si">%s</span><span class="s">&quot;</span><span class="p">,</span>
<span class="n">service_id</span><span class="p">,</span> <span class="n">operation_id</span><span class="p">,</span> <span class="n">ctx</span><span class="p">)</span>
<span class="k">return</span> <span class="n">method_result</span>
<span class="c"># Singleton LocalProvider instance</span></div></div>
<span class="n">_local_provider</span> <span class="o">=</span> <span class="n">LocalProvider</span><span class="p">()</span>
<div class="viewcode-block" id="get_provider"><a class="viewcode-back" href="../../../../vmware.vapi.provider.html#vmware.vapi.provider.local.get_provider">[docs]</a><span class="k">def</span> <span class="nf">get_provider</span><span class="p">():</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> Returns the singleton LocalProvider instance</span>
<span class="sd"> :rtype: :class:`LocalProvider`</span>
<span class="sd"> :return: LocalProvider instance</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="k">return</span> <span class="n">_local_provider</span></div>
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