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<div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
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<h1>Source code for pylorax.api.server</h1><div class="highlight"><pre>
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<span></span><span class="c1">#</span>
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<span class="c1"># Copyright (C) 2017-2019 Red Hat, Inc.</span>
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<span class="c1">#</span>
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<span class="c1"># This program is free software; you can redistribute it and/or modify</span>
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<span class="c1"># it under the terms of the GNU General Public License as published by</span>
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<span class="c1"># the Free Software Foundation; either version 2 of the License, or</span>
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<span class="c1"># (at your option) any later version.</span>
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<span class="c1">#</span>
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<span class="c1"># This program is distributed in the hope that it will be useful,</span>
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<span class="c1"># but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
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<span class="c1"># MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
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<span class="c1"># GNU General Public License for more details.</span>
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<span class="c1">#</span>
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<span class="c1"># You should have received a copy of the GNU General Public License</span>
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<span class="c1"># along with this program. If not, see <http://www.gnu.org/licenses/>.</span>
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<span class="c1">#</span>
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<span class="kn">import</span> <span class="nn">logging</span>
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<span class="n">log</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="s2">"lorax-composer"</span><span class="p">)</span>
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<span class="kn">from</span> <span class="nn">collections</span> <span class="k">import</span> <span class="n">namedtuple</span>
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<span class="kn">from</span> <span class="nn">flask</span> <span class="k">import</span> <span class="n">Flask</span><span class="p">,</span> <span class="n">jsonify</span><span class="p">,</span> <span class="n">redirect</span><span class="p">,</span> <span class="n">send_from_directory</span>
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<span class="kn">from</span> <span class="nn">glob</span> <span class="k">import</span> <span class="n">glob</span>
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<span class="kn">import</span> <span class="nn">os</span>
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<span class="kn">import</span> <span class="nn">werkzeug</span>
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<span class="kn">from</span> <span class="nn">pylorax</span> <span class="k">import</span> <span class="n">vernum</span>
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<span class="kn">from</span> <span class="nn">pylorax.api.errors</span> <span class="k">import</span> <span class="n">HTTP_ERROR</span>
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<span class="kn">from</span> <span class="nn">pylorax.api.v0</span> <span class="k">import</span> <span class="n">v0_api</span>
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<span class="kn">from</span> <span class="nn">pylorax.api.v1</span> <span class="k">import</span> <span class="n">v1_api</span>
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<span class="kn">from</span> <span class="nn">pylorax.sysutils</span> <span class="k">import</span> <span class="n">joinpaths</span>
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<span class="n">GitLock</span> <span class="o">=</span> <span class="n">namedtuple</span><span class="p">(</span><span class="s2">"GitLock"</span><span class="p">,</span> <span class="p">[</span><span class="s2">"repo"</span><span class="p">,</span> <span class="s2">"lock"</span><span class="p">,</span> <span class="s2">"dir"</span><span class="p">])</span>
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<span class="n">server</span> <span class="o">=</span> <span class="n">Flask</span><span class="p">(</span><span class="vm">__name__</span><span class="p">)</span>
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<span class="n">__all__</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"server"</span><span class="p">,</span> <span class="s2">"GitLock"</span><span class="p">]</span>
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<span class="nd">@server</span><span class="o">.</span><span class="n">route</span><span class="p">(</span><span class="s1">'/'</span><span class="p">)</span>
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<span class="k">def</span> <span class="nf">server_root</span><span class="p">():</span>
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<span class="n">redirect</span><span class="p">(</span><span class="s2">"/api/docs/"</span><span class="p">)</span>
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<span class="nd">@server</span><span class="o">.</span><span class="n">route</span><span class="p">(</span><span class="s2">"/api/docs/"</span><span class="p">)</span>
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<span class="nd">@server</span><span class="o">.</span><span class="n">route</span><span class="p">(</span><span class="s2">"/api/docs/<path:path>"</span><span class="p">)</span>
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<span class="k">def</span> <span class="nf">api_docs</span><span class="p">(</span><span class="n">path</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
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<span class="c1"># Find the html docs</span>
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<span class="k">try</span><span class="p">:</span>
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<span class="c1"># This assumes it is running from the source tree</span>
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<span class="n">docs_path</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">abspath</span><span class="p">(</span><span class="n">joinpaths</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">dirname</span><span class="p">(</span><span class="vm">__file__</span><span class="p">),</span> <span class="s2">"../../../docs/html"</span><span class="p">))</span>
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<span class="k">except</span> <span class="ne">IndexError</span><span class="p">:</span>
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<span class="n">docs_path</span> <span class="o">=</span> <span class="n">glob</span><span class="p">(</span><span class="s2">"/usr/share/doc/lorax-*/html/"</span><span class="p">)[</span><span class="mi">0</span><span class="p">]</span>
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<span class="k">if</span> <span class="ow">not</span> <span class="n">path</span><span class="p">:</span>
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<span class="n">path</span><span class="o">=</span><span class="s2">"index.html"</span>
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<span class="k">return</span> <span class="n">send_from_directory</span><span class="p">(</span><span class="n">docs_path</span><span class="p">,</span> <span class="n">path</span><span class="p">)</span>
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<span class="nd">@server</span><span class="o">.</span><span class="n">route</span><span class="p">(</span><span class="s2">"/api/status"</span><span class="p">)</span>
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<span class="k">def</span> <span class="nf">api_status</span><span class="p">():</span>
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<span class="sd">"""</span>
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<span class="sd"> `/api/status`</span>
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<span class="sd"> ^^^^^^^^^^^^^^^^</span>
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<span class="sd"> Return the status of the API Server::</span>
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<span class="sd"> { "api": "0",</span>
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<span class="sd"> "build": "devel",</span>
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<span class="sd"> "db_supported": true,</span>
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<span class="sd"> "db_version": "0",</span>
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<span class="sd"> "schema_version": "0",</span>
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<span class="sd"> "backend": "lorax-composer",</span>
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<span class="sd"> "msgs": []}</span>
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<span class="sd"> The 'msgs' field can be a list of strings describing startup problems or status that</span>
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<span class="sd"> should be displayed to the user. eg. if the compose templates are not depsolving properly</span>
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<span class="sd"> the errors will be in 'msgs'.</span>
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<span class="sd"> """</span>
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<span class="k">return</span> <span class="n">jsonify</span><span class="p">(</span><span class="n">backend</span><span class="o">=</span><span class="s2">"lorax-composer"</span><span class="p">,</span>
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<span class="n">build</span><span class="o">=</span><span class="n">vernum</span><span class="p">,</span>
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<span class="n">api</span><span class="o">=</span><span class="s2">"1"</span><span class="p">,</span>
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<span class="n">db_version</span><span class="o">=</span><span class="s2">"0"</span><span class="p">,</span>
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<span class="n">schema_version</span><span class="o">=</span><span class="s2">"0"</span><span class="p">,</span>
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<span class="n">db_supported</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span>
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<span class="n">msgs</span><span class="o">=</span><span class="n">server</span><span class="o">.</span><span class="n">config</span><span class="p">[</span><span class="s2">"TEMPLATE_ERRORS"</span><span class="p">])</span>
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<span class="nd">@server</span><span class="o">.</span><span class="n">errorhandler</span><span class="p">(</span><span class="n">werkzeug</span><span class="o">.</span><span class="n">exceptions</span><span class="o">.</span><span class="n">HTTPException</span><span class="p">)</span>
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<span class="k">def</span> <span class="nf">bad_request</span><span class="p">(</span><span class="n">error</span><span class="p">):</span>
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<span class="k">return</span> <span class="n">jsonify</span><span class="p">(</span><span class="n">status</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">errors</span><span class="o">=</span><span class="p">[{</span> <span class="s2">"id"</span><span class="p">:</span> <span class="n">HTTP_ERROR</span><span class="p">,</span> <span class="s2">"code"</span><span class="p">:</span> <span class="n">error</span><span class="o">.</span><span class="n">code</span><span class="p">,</span> <span class="s2">"msg"</span><span class="p">:</span> <span class="n">error</span><span class="o">.</span><span class="n">name</span> <span class="p">}]),</span> <span class="n">error</span><span class="o">.</span><span class="n">code</span>
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<span class="c1"># Register the v0 API on /api/v0/</span>
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<span class="n">server</span><span class="o">.</span><span class="n">register_blueprint</span><span class="p">(</span><span class="n">v0_api</span><span class="p">,</span> <span class="n">url_prefix</span><span class="o">=</span><span class="s2">"/api/v0/"</span><span class="p">)</span>
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<span class="c1"># Register the v1 API on /api/v1/</span>
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<span class="c1"># Use v0 routes by default</span>
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<span class="n">skip_rules</span> <span class="o">=</span> <span class="p">[</span>
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<span class="s2">"/compose"</span><span class="p">,</span>
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<span class="s2">"/compose/queue"</span><span class="p">,</span>
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<span class="s2">"/compose/finished"</span><span class="p">,</span>
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<span class="s2">"/compose/failed"</span><span class="p">,</span>
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<span class="s2">"/compose/status/<uuids>"</span><span class="p">,</span>
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<span class="s2">"/compose/info/<uuid>"</span><span class="p">,</span>
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<span class="s2">"/projects/source/info/<source_names>"</span><span class="p">,</span>
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<span class="s2">"/projects/source/new"</span><span class="p">,</span>
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<span class="p">]</span>
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<span class="n">server</span><span class="o">.</span><span class="n">register_blueprint</span><span class="p">(</span><span class="n">v0_api</span><span class="p">,</span> <span class="n">url_prefix</span><span class="o">=</span><span class="s2">"/api/v1/"</span><span class="p">,</span> <span class="n">skip_rules</span><span class="o">=</span><span class="n">skip_rules</span><span class="p">)</span>
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<span class="n">server</span><span class="o">.</span><span class="n">register_blueprint</span><span class="p">(</span><span class="n">v1_api</span><span class="p">,</span> <span class="n">url_prefix</span><span class="o">=</span><span class="s2">"/api/v1/"</span><span class="p">)</span>
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</pre></div>
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