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<h1>Source code for vmware.vapi.lib.connect</h1><div class="highlight"><pre>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd">vAPI Connection factory</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 (c) 2015 VMware, Inc. All rights reserved.&#39;</span>
<span class="kn">import</span> <span class="nn">os</span>
<span class="kn">import</span> <span class="nn">warnings</span>
<span class="kn">from</span> <span class="nn">six.moves</span> <span class="kn">import</span> <span class="n">configparser</span>
<span class="kn">from</span> <span class="nn">vmware.vapi.lib.ssl</span> <span class="kn">import</span> <span class="n">UnverifiedClientContextFactory</span>
<span class="kn">from</span> <span class="nn">vmware.vapi.protocol.client.rpc.provider_factory</span> <span class="kn">import</span> <span class="n">RpcProviderFactory</span>
<span class="kn">from</span> <span class="nn">vmware.vapi.protocol.client.msg.connector_factory</span> <span class="kn">import</span> <span class="n">ProtocolConnectorFactory</span>
<span class="kn">from</span> <span class="nn">vmware.vapi.settings</span> <span class="kn">import</span> <span class="n">config</span>
<span class="n">REQUESTS_RPC_PROVIDER_NAME</span> <span class="o">=</span> <span class="s">&#39;requests&#39;</span>
<div class="viewcode-block" id="check_file_exists"><a class="viewcode-back" href="../../../../vmware.vapi.lib.html#vmware.vapi.lib.connect.check_file_exists">[docs]</a><span class="k">def</span> <span class="nf">check_file_exists</span><span class="p">(</span><span class="n">filename</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> Check if name is a file and exists</span>
<span class="sd"> :type :class:`str`</span>
<span class="sd"> :param file name</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">isfile</span><span class="p">(</span><span class="n">filename</span><span class="p">):</span>
<span class="k">raise</span> <span class="ne">OSError</span><span class="p">(</span><span class="mi">2</span><span class="p">,</span> <span class="s">&#39;No such file&#39;</span><span class="p">,</span> <span class="n">filename</span><span class="p">)</span>
</div>
<div class="viewcode-block" id="get_connector"><a class="viewcode-back" href="../../../../vmware.vapi.lib.html#vmware.vapi.lib.connect.get_connector">[docs]</a><span class="k">def</span> <span class="nf">get_connector</span><span class="p">(</span><span class="n">rpc_provider_name</span><span class="p">,</span> <span class="n">msg_protocol</span><span class="p">,</span> <span class="n">ssl_context</span><span class="o">=</span><span class="bp">None</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> Create a connection to the vAPI Provider using the specified arguments</span>
<span class="sd"> :type rpc_provider_name: :class:`str`</span>
<span class="sd"> :param rpc_provider_name: The RPC provider to be used for the connection.</span>
<span class="sd"> Valid values are &#39;http&#39;, &#39;https&#39; and &#39;requests&#39;</span>
<span class="sd"> :type msg_protocol: :class:`str`</span>
<span class="sd"> :param msg_protocol: The message protocol to be used for the connection.</span>
<span class="sd"> Valid values are &#39;json&#39;.</span>
<span class="sd"> :type ssl_context: :class:`OpenSSL.SSL.Context`</span>
<span class="sd"> :param ssl_context: SSL context to use for SSL connections</span>
<span class="sd"> :param kwargs: Additional arguments for the RPC provider</span>
<span class="sd"> :rtype: :class:`vmware.vapi.protocol.client.connector.Connector`</span>
<span class="sd"> :return: Connection to the vAPI provider</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="n">warnings</span><span class="o">.</span><span class="n">warn</span><span class="p">(</span><span class="s">&quot;This function is deprecated. Please use </span><span class="se">\</span>
<span class="s"> get_requests_connector instead.&quot;</span><span class="p">,</span>
<span class="ne">DeprecationWarning</span><span class="p">)</span>
<span class="k">return</span> <span class="n">_get_connector</span><span class="p">(</span><span class="n">rpc_provider_name</span><span class="p">,</span> <span class="n">msg_protocol</span><span class="p">,</span> <span class="n">ssl_context</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
</div>
<span class="k">def</span> <span class="nf">_get_connector</span><span class="p">(</span><span class="n">rpc_provider_name</span><span class="p">,</span> <span class="n">msg_protocol</span><span class="p">,</span> <span class="n">ssl_context</span><span class="o">=</span><span class="bp">None</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> Create a connection to the vAPI Provider using the specified arguments</span>
<span class="sd"> :type rpc_provider_name: :class:`str`</span>
<span class="sd"> :param rpc_provider_name: The RPC provider to be used for the connection.</span>
<span class="sd"> Valid values are &#39;http&#39;, &#39;https&#39; and &#39;requests&#39;</span>
<span class="sd"> :type msg_protocol: :class:`str`</span>
<span class="sd"> :param msg_protocol: The message protocol to be used for the connection.</span>
<span class="sd"> Valid values are &#39;json&#39;.</span>
<span class="sd"> :type ssl_context: :class:`OpenSSL.SSL.Context`</span>
<span class="sd"> :param ssl_context: SSL context to use for SSL connections</span>
<span class="sd"> :param kwargs: Additional arguments for the RPC provider</span>
<span class="sd"> :rtype: :class:`vmware.vapi.protocol.client.connector.Connector`</span>
<span class="sd"> :return: Connection to the vAPI provider</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="c">#RPC provider</span>
<span class="n">rpc_provider_args</span> <span class="o">=</span> <span class="p">{}</span>
<span class="k">if</span> <span class="n">rpc_provider_name</span> <span class="ow">in</span> <span class="p">(</span><span class="s">&#39;http&#39;</span><span class="p">,</span> <span class="s">&#39;https&#39;</span><span class="p">):</span>
<span class="c"># provider url</span>
<span class="n">rpc_provider_args</span><span class="p">[</span><span class="s">&#39;url&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">kwargs</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">&#39;url&#39;</span><span class="p">)</span>
<span class="k">if</span> <span class="n">rpc_provider_name</span> <span class="o">==</span> <span class="s">&#39;http&#39;</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">ssl_context</span><span class="p">:</span>
<span class="c"># In case of http, use an unverified context. This is a temporary</span>
<span class="c"># hack to not break clients who pass an https url for an http</span>
<span class="c"># connector since we now verify server cert by default. Once all the</span>
<span class="c"># clients move off to using requests, this block can be deleted.</span>
<span class="n">ssl_context</span> <span class="o">=</span> <span class="n">UnverifiedClientContextFactory</span><span class="p">()</span><span class="o">.</span><span class="n">get_context</span><span class="p">()</span>
<span class="n">rpc_provider_args</span><span class="p">[</span><span class="s">&#39;ssl_args&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span><span class="s">&#39;ssl_context&#39;</span><span class="p">:</span> <span class="n">ssl_context</span><span class="p">}</span>
<span class="k">elif</span> <span class="n">rpc_provider_name</span> <span class="ow">in</span> <span class="p">(</span><span class="s">&#39;requests&#39;</span><span class="p">):</span>
<span class="k">for</span> <span class="n">arg_name</span> <span class="ow">in</span> <span class="p">(</span><span class="s">&#39;url&#39;</span><span class="p">,</span> <span class="s">&#39;session&#39;</span><span class="p">,</span> <span class="s">&#39;timeout&#39;</span><span class="p">,</span> <span class="s">&#39;pool_size&#39;</span><span class="p">):</span>
<span class="n">rpc_provider_args</span><span class="p">[</span><span class="n">arg_name</span><span class="p">]</span> <span class="o">=</span> <span class="n">kwargs</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">arg_name</span><span class="p">)</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;Invalid RPC Provider specified </span><span class="si">%s</span><span class="s">&#39;</span> <span class="o">%</span> <span class="n">rpc_provider_name</span><span class="p">)</span>
<span class="c"># Accept additional configuration using a client config file</span>
<span class="k">if</span> <span class="n">config</span><span class="o">.</span><span class="n">cfg</span> <span class="ow">is</span> <span class="bp">None</span><span class="p">:</span>
<span class="n">config</span><span class="o">.</span><span class="n">cfg</span> <span class="o">=</span> <span class="n">configparser</span><span class="o">.</span><span class="n">SafeConfigParser</span><span class="p">()</span>
<span class="n">config_file</span> <span class="o">=</span> <span class="n">kwargs</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">&#39;config&#39;</span><span class="p">)</span>
<span class="k">if</span> <span class="n">config_file</span><span class="p">:</span>
<span class="n">check_file_exists</span><span class="p">(</span><span class="n">config_file</span><span class="p">)</span>
<span class="n">config</span><span class="o">.</span><span class="n">cfg</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="n">config_file</span><span class="p">)</span>
<span class="c"># Using SAML based authentication</span>
<span class="c"># If the configuration does not have SSO signer, add it</span>
<span class="n">use_saml_token</span> <span class="o">=</span> <span class="n">kwargs</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">&#39;use_saml_token&#39;</span><span class="p">,</span> <span class="bp">False</span><span class="p">)</span>
<span class="k">if</span> <span class="p">(</span><span class="n">use_saml_token</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">config</span><span class="o">.</span><span class="n">cfg</span><span class="o">.</span><span class="n">has_section</span><span class="p">(</span>
<span class="s">&#39;vmware.vapi.protocol.client.msg.json_connector&#39;</span><span class="p">)):</span>
<span class="n">config</span><span class="o">.</span><span class="n">cfg</span><span class="o">.</span><span class="n">add_section</span><span class="p">(</span><span class="s">&#39;vmware.vapi.protocol.client.msg.json_connector&#39;</span><span class="p">)</span>
<span class="n">config</span><span class="o">.</span><span class="n">cfg</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s">&#39;vmware.vapi.protocol.client.msg.json_connector&#39;</span><span class="p">,</span>
<span class="s">&#39;processors&#39;</span><span class="p">,</span>
<span class="s">&#39;vmware.vapi.security.sso.JSONSSOSigner&#39;</span><span class="p">)</span>
<span class="n">rpc_factory</span> <span class="o">=</span> <span class="n">RpcProviderFactory</span><span class="p">()</span>
<span class="n">rpc_provider</span> <span class="o">=</span> <span class="n">rpc_factory</span><span class="o">.</span><span class="n">get_rpc_provider</span><span class="p">(</span><span class="n">rpc_provider_name</span><span class="p">,</span>
<span class="o">**</span><span class="n">rpc_provider_args</span><span class="p">)</span>
<span class="c"># Msg protocol provider</span>
<span class="n">connector_factory</span> <span class="o">=</span> <span class="n">ProtocolConnectorFactory</span><span class="p">()</span>
<span class="n">connector</span> <span class="o">=</span> <span class="n">connector_factory</span><span class="o">.</span><span class="n">get_connector</span><span class="p">(</span><span class="n">msg_protocol</span><span class="p">,</span> <span class="n">rpc_provider</span><span class="p">)</span>
<span class="k">return</span> <span class="n">connector</span>
<div class="viewcode-block" id="get_saml_hok_connector"><a class="viewcode-back" href="../../../../vmware.vapi.lib.html#vmware.vapi.lib.connect.get_saml_hok_connector">[docs]</a><span class="k">def</span> <span class="nf">get_saml_hok_connector</span><span class="p">(</span><span class="n">rpc_provider_name</span><span class="p">,</span> <span class="n">msg_protocol</span><span class="o">=</span><span class="s">&#39;json&#39;</span><span class="p">,</span> <span class="n">ssl_context</span><span class="o">=</span><span class="bp">None</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> Create a connection that uses SAML Hok based authentication</span>
<span class="sd"> to connect to a vAPI Provider</span>
<span class="sd"> :type rpc_provider_name: :class:`str`</span>
<span class="sd"> :param rpc_provider_name: The RPC provider to be used for the connection.</span>
<span class="sd"> Valid values are &#39;http&#39;, &#39;https&#39; or &#39;requests&#39;</span>
<span class="sd"> :type msg_protocol: :class:`str`</span>
<span class="sd"> :param msg_protocol: The message protocol to be used for the connection.</span>
<span class="sd"> Valid values are &#39;json&#39;.</span>
<span class="sd"> :type ssl_context: :class:`OpenSSL.SSL.Context`</span>
<span class="sd"> :param ssl_context: SSL context to use for SSL connections</span>
<span class="sd"> :type kwargs: :class:`dict` of :class:`str` and :class:`object`</span>
<span class="sd"> :param kwargs: Additional arguments for the RPC provider</span>
<span class="sd"> :rtype: :class:`vmware.vapi.protocol.client.connector.Connector`</span>
<span class="sd"> :return: Connection to the vAPI provider</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="n">warnings</span><span class="o">.</span><span class="n">warn</span><span class="p">(</span><span class="s">&quot;This function is deprecated. Please use </span><span class="se">\</span>
<span class="s"> get_requests_hok_connector instead.&quot;</span><span class="p">,</span>
<span class="ne">DeprecationWarning</span><span class="p">)</span>
<span class="k">return</span> <span class="n">_get_connector</span><span class="p">(</span><span class="n">rpc_provider_name</span><span class="p">,</span> <span class="n">msg_protocol</span><span class="p">,</span> <span class="n">ssl_context</span><span class="p">,</span>
<span class="n">use_saml_token</span><span class="o">=</span><span class="bp">True</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
</div>
<div class="viewcode-block" id="get_requests_connector"><a class="viewcode-back" href="../../../../vmware.vapi.lib.html#vmware.vapi.lib.connect.get_requests_connector">[docs]</a><span class="k">def</span> <span class="nf">get_requests_connector</span><span class="p">(</span><span class="n">session</span><span class="p">,</span> <span class="n">msg_protocol</span><span class="o">=</span><span class="s">&#39;json&#39;</span><span class="p">,</span> <span class="n">url</span><span class="o">=</span><span class="bp">None</span><span class="p">,</span>
<span class="n">timeout</span><span class="o">=</span><span class="bp">None</span><span class="p">,</span> <span class="n">pool_size</span><span class="o">=</span><span class="mi">8</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> Create a connection that uses &#39;requests&#39; library for http(s) connections to</span>
<span class="sd"> a vAPI Provider.</span>
<span class="sd"> :type session: :class:`requests.Session`</span>
<span class="sd"> :param session: Session object</span>
<span class="sd"> :type msg_protocol: :class:`str`</span>
<span class="sd"> :param msg_protocol: Message protocol to be used for the connection. Valid</span>
<span class="sd"> values are &#39;json&#39;.</span>
<span class="sd"> :type url: :class:`str`</span>
<span class="sd"> :param url: HTTP(S) URL to be used</span>
<span class="sd"> :type timeout: :class:`int`</span>
<span class="sd"> :param timeout: Request timeout</span>
<span class="sd"> :type pool_size: :class:`int`</span>
<span class="sd"> :param pool_size: Connection pool size to be used</span>
<span class="sd"> :rtype: :class:`vmware.vapi.protocol.client.connector.Connector`</span>
<span class="sd"> :return: Connection to the vAPI provider</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="k">return</span> <span class="n">_get_connector</span><span class="p">(</span><span class="n">REQUESTS_RPC_PROVIDER_NAME</span><span class="p">,</span> <span class="n">msg_protocol</span><span class="p">,</span>
<span class="n">url</span><span class="o">=</span><span class="n">url</span><span class="p">,</span> <span class="n">session</span><span class="o">=</span><span class="n">session</span><span class="p">,</span>
<span class="n">timeout</span><span class="o">=</span><span class="n">timeout</span><span class="p">,</span> <span class="n">pool_size</span><span class="o">=</span><span class="n">pool_size</span><span class="p">)</span>
</div>
<div class="viewcode-block" id="get_requests_hok_connector"><a class="viewcode-back" href="../../../../vmware.vapi.lib.html#vmware.vapi.lib.connect.get_requests_hok_connector">[docs]</a><span class="k">def</span> <span class="nf">get_requests_hok_connector</span><span class="p">(</span><span class="n">session</span><span class="p">,</span> <span class="n">msg_protocol</span><span class="o">=</span><span class="s">&#39;json&#39;</span><span class="p">,</span> <span class="n">url</span><span class="o">=</span><span class="bp">None</span><span class="p">,</span>
<span class="n">timeout</span><span class="o">=</span><span class="bp">None</span><span class="p">,</span> <span class="n">pool_size</span><span class="o">=</span><span class="mi">8</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> Create a connection that uses SAML Hok based authentication using &#39;requests&#39;</span>
<span class="sd"> library to connect to a vAPI Provider.</span>
<span class="sd"> :type session: :class:`requests.Session`</span>
<span class="sd"> :param session: Session object</span>
<span class="sd"> :type msg_protocol: :class:`str`</span>
<span class="sd"> :param msg_protocol: Message protocol to be used for the connection. Valid</span>
<span class="sd"> values are &#39;json&#39;.</span>
<span class="sd"> :type url: :class:`str`</span>
<span class="sd"> :param url: HTTP(S) URL to be used</span>
<span class="sd"> :type timeout: :class:`int`</span>
<span class="sd"> :param timeout: Request timeout</span>
<span class="sd"> :type pool_size: :class:`int`</span>
<span class="sd"> :param pool_size: Connection pool size to be used</span>
<span class="sd"> :rtype: :class:`vmware.vapi.protocol.client.connector.Connector`</span>
<span class="sd"> :return: Connection to the vAPI provider</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="k">return</span> <span class="n">_get_connector</span><span class="p">(</span><span class="n">REQUESTS_RPC_PROVIDER_NAME</span><span class="p">,</span> <span class="n">msg_protocol</span><span class="p">,</span> <span class="n">url</span><span class="o">=</span><span class="n">url</span><span class="p">,</span>
<span class="n">session</span><span class="o">=</span><span class="n">session</span><span class="p">,</span> <span class="n">timeout</span><span class="o">=</span><span class="n">timeout</span><span class="p">,</span> <span class="n">pool_size</span><span class="o">=</span><span class="n">pool_size</span><span class="p">,</span>
<span class="n">use_saml_token</span><span class="o">=</span><span class="bp">True</span><span class="p">)</span></div>
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