<!DOCTYPE html> <!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]--> <!--[if gt IE 8]><!--> <html class="no-js" lang="en" > <!--<![endif]--> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>lifted.providers — Lorax 34.3 documentation</title> <script type="text/javascript" src="../../_static/js/modernizr.min.js"></script> <script type="text/javascript" id="documentation_options" data-url_root="../../" src="../../_static/documentation_options.js"></script> <script src="../../_static/jquery.js"></script> <script src="../../_static/underscore.js"></script> <script src="../../_static/doctools.js"></script> <script src="../../_static/language_data.js"></script> <script type="text/javascript" src="../../_static/js/theme.js"></script> <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" /> <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" /> <link rel="index" title="Index" href="../../genindex.html" /> <link rel="search" title="Search" href="../../search.html" /> </head> <body class="wy-body-for-nav"> <div class="wy-grid-for-nav"> <nav data-toggle="wy-nav-shift" class="wy-nav-side"> <div class="wy-side-scroll"> <div class="wy-side-nav-search" > <a href="../../index.html" class="icon icon-home"> Lorax </a> <div class="version"> 34.3 </div> <div role="search"> <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get"> <input type="text" name="q" placeholder="Search docs" /> <input type="hidden" name="check_keywords" value="yes" /> <input type="hidden" name="area" value="default" /> </form> </div> </div> <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation"> <ul> <li class="toctree-l1"><a class="reference internal" href="../../intro.html">Introduction to Lorax</a></li> <li class="toctree-l1"><a class="reference internal" href="../../intro.html#before-lorax">Before Lorax</a></li> <li class="toctree-l1"><a class="reference internal" href="../../lorax.html">Lorax</a></li> <li class="toctree-l1"><a class="reference internal" href="../../livemedia-creator.html">livemedia-creator</a></li> <li class="toctree-l1"><a class="reference internal" href="../../composer-cli.html">composer-cli</a></li> <li class="toctree-l1"><a class="reference internal" href="../../mkksiso.html">mkksiso</a></li> <li class="toctree-l1"><a class="reference internal" href="../../product-images.html">Product and Updates Images</a></li> <li class="toctree-l1"><a class="reference internal" href="../../modules.html">src</a></li> </ul> </div> </div> </nav> <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"> <nav class="wy-nav-top" aria-label="top navigation"> <i data-toggle="wy-nav-top" class="fa fa-bars"></i> <a href="../../index.html">Lorax</a> </nav> <div class="wy-nav-content"> <div class="rst-content"> <div role="navigation" aria-label="breadcrumbs navigation"> <ul class="wy-breadcrumbs"> <li><a href="../../index.html">Docs</a> »</li> <li><a href="../index.html">Module code</a> »</li> <li>lifted.providers</li> <li class="wy-breadcrumbs-aside"> </li> </ul> <hr/> </div> <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article"> <div itemprop="articleBody"> <h1>Source code for lifted.providers</h1><div class="highlight"><pre> <span></span><span class="c1">#</span> <span class="c1"># Copyright (C) 2019 Red Hat, Inc.</span> <span class="c1">#</span> <span class="c1"># This program is free software; you can redistribute it and/or modify</span> <span class="c1"># it under the terms of the GNU General Public License as published by</span> <span class="c1"># the Free Software Foundation; either version 2 of the License, or</span> <span class="c1"># (at your option) any later version.</span> <span class="c1">#</span> <span class="c1"># This program is distributed in the hope that it will be useful,</span> <span class="c1"># but WITHOUT ANY WARRANTY; without even the implied warranty of</span> <span class="c1"># MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span> <span class="c1"># GNU General Public License for more details.</span> <span class="c1">#</span> <span class="c1"># You should have received a copy of the GNU General Public License</span> <span class="c1"># along with this program. If not, see <http://www.gnu.org/licenses/>.</span> <span class="c1">#</span> <span class="kn">from</span> <span class="nn">glob</span> <span class="kn">import</span> <span class="n">glob</span> <span class="kn">import</span> <span class="nn">os</span> <span class="kn">import</span> <span class="nn">re</span> <span class="kn">import</span> <span class="nn">stat</span> <span class="kn">import</span> <span class="nn">pylorax.api.toml</span> <span class="k">as</span> <span class="nn">toml</span> <span class="k">def</span> <span class="nf">_get_profile_path</span><span class="p">(</span><span class="n">ucfg</span><span class="p">,</span> <span class="n">provider_name</span><span class="p">,</span> <span class="n">profile</span><span class="p">,</span> <span class="n">exists</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span> <span class="sd">"""Helper to return the directory and path for a provider's profile file</span> <span class="sd"> :param ucfg: upload config</span> <span class="sd"> :type ucfg: object</span> <span class="sd"> :param provider_name: the name of the cloud provider, e.g. "azure"</span> <span class="sd"> :type provider_name: str</span> <span class="sd"> :param profile: the name of the profile to save</span> <span class="sd"> :type profile: str != ""</span> <span class="sd"> :returns: Full path of the profile .toml file</span> <span class="sd"> :rtype: str</span> <span class="sd"> :raises: ValueError when passed invalid settings or an invalid profile name</span> <span class="sd"> :raises: RuntimeError when the provider or profile couldn't be found</span> <span class="sd"> """</span> <span class="c1"># Make sure no path elements are present</span> <span class="n">profile</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">basename</span><span class="p">(</span><span class="n">profile</span><span class="p">)</span> <span class="n">provider_name</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">basename</span><span class="p">(</span><span class="n">provider_name</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="n">profile</span><span class="p">:</span> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">"Profile name cannot be empty!"</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="n">provider_name</span><span class="p">:</span> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">"Provider name cannot be empty!"</span><span class="p">)</span> <span class="n">directory</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">join</span><span class="p">(</span><span class="n">ucfg</span><span class="p">[</span><span class="s2">"settings_dir"</span><span class="p">],</span> <span class="n">provider_name</span><span class="p">)</span> <span class="c1"># create the settings directory if it doesn't exist</span> <span class="n">os</span><span class="o">.</span><span class="n">makedirs</span><span class="p">(</span><span class="n">directory</span><span class="p">,</span> <span class="n">exist_ok</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> <span class="n">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">join</span><span class="p">(</span><span class="n">directory</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">profile</span><span class="si">}</span><span class="s2">.toml"</span><span class="p">)</span> <span class="k">if</span> <span class="n">exists</span> <span class="ow">and</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">path</span><span class="p">):</span> <span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">(</span><span class="sa">f</span><span class="s1">'Couldn</span><span class="se">\'</span><span class="s1">t find profile "</span><span class="si">{</span><span class="n">profile</span><span class="si">}</span><span class="s1">"!'</span><span class="p">)</span> <span class="k">return</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">path</span><span class="p">)</span> <div class="viewcode-block" id="resolve_provider"><a class="viewcode-back" href="../../lifted.html#lifted.providers.resolve_provider">[docs]</a><span class="k">def</span> <span class="nf">resolve_provider</span><span class="p">(</span><span class="n">ucfg</span><span class="p">,</span> <span class="n">provider_name</span><span class="p">):</span> <span class="sd">"""Get information about the specified provider as defined in that</span> <span class="sd"> provider's `provider.toml`, including the provider's display name and expected</span> <span class="sd"> settings.</span> <span class="sd"> At a minimum, each setting has a display name (that likely differs from its</span> <span class="sd"> snake_case name) and a type. Currently, there are two types of settings:</span> <span class="sd"> string and boolean. String settings can optionally have a "placeholder"</span> <span class="sd"> value for use on the front end and a "regex" for making sure that a value</span> <span class="sd"> follows an expected pattern.</span> <span class="sd"> :param ucfg: upload config</span> <span class="sd"> :type ucfg: object</span> <span class="sd"> :param provider_name: the name of the provider to look for</span> <span class="sd"> :type provider_name: str</span> <span class="sd"> :raises: RuntimeError when the provider couldn't be found</span> <span class="sd"> :returns: the provider</span> <span class="sd"> :rtype: dict</span> <span class="sd"> """</span> <span class="c1"># Make sure no path elements are present</span> <span class="n">provider_name</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">basename</span><span class="p">(</span><span class="n">provider_name</span><span class="p">)</span> <span class="n">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">join</span><span class="p">(</span><span class="n">ucfg</span><span class="p">[</span><span class="s2">"providers_dir"</span><span class="p">],</span> <span class="n">provider_name</span><span class="p">,</span> <span class="s2">"provider.toml"</span><span class="p">)</span> <span class="k">try</span><span class="p">:</span> <span class="k">with</span> <span class="nb">open</span><span class="p">(</span><span class="n">path</span><span class="p">)</span> <span class="k">as</span> <span class="n">provider_file</span><span class="p">:</span> <span class="n">provider</span> <span class="o">=</span> <span class="n">toml</span><span class="o">.</span><span class="n">load</span><span class="p">(</span><span class="n">provider_file</span><span class="p">)</span> <span class="k">except</span> <span class="ne">OSError</span> <span class="k">as</span> <span class="n">error</span><span class="p">:</span> <span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">(</span><span class="sa">f</span><span class="s1">'Couldn</span><span class="se">\'</span><span class="s1">t find provider "</span><span class="si">{</span><span class="n">provider_name</span><span class="si">}</span><span class="s1">"!'</span><span class="p">)</span> <span class="kn">from</span> <span class="nn">error</span> <span class="k">return</span> <span class="n">provider</span></div> <div class="viewcode-block" id="load_profiles"><a class="viewcode-back" href="../../lifted.html#lifted.providers.load_profiles">[docs]</a><span class="k">def</span> <span class="nf">load_profiles</span><span class="p">(</span><span class="n">ucfg</span><span class="p">,</span> <span class="n">provider_name</span><span class="p">):</span> <span class="sd">"""Return all settings profiles associated with a provider</span> <span class="sd"> :param ucfg: upload config</span> <span class="sd"> :type ucfg: object</span> <span class="sd"> :param provider_name: name a provider to find profiles for</span> <span class="sd"> :type provider_name: str</span> <span class="sd"> :returns: a dict of settings dicts, keyed by profile name</span> <span class="sd"> :rtype: dict</span> <span class="sd"> """</span> <span class="c1"># Make sure no path elements are present</span> <span class="n">provider_name</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">basename</span><span class="p">(</span><span class="n">provider_name</span><span class="p">)</span> <span class="k">def</span> <span class="nf">load_path</span><span class="p">(</span><span class="n">path</span><span class="p">):</span> <span class="k">with</span> <span class="nb">open</span><span class="p">(</span><span class="n">path</span><span class="p">)</span> <span class="k">as</span> <span class="n">file</span><span class="p">:</span> <span class="k">return</span> <span class="n">toml</span><span class="o">.</span><span class="n">load</span><span class="p">(</span><span class="n">file</span><span class="p">)</span> <span class="k">def</span> <span class="nf">get_name</span><span class="p">(</span><span class="n">path</span><span class="p">):</span> <span class="k">return</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">splitext</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">basename</span><span class="p">(</span><span class="n">path</span><span class="p">))[</span><span class="mi">0</span><span class="p">]</span> <span class="n">paths</span> <span class="o">=</span> <span class="n">glob</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">join</span><span class="p">(</span><span class="n">ucfg</span><span class="p">[</span><span class="s2">"settings_dir"</span><span class="p">],</span> <span class="n">provider_name</span><span class="p">,</span> <span class="s2">"*"</span><span class="p">))</span> <span class="k">return</span> <span class="p">{</span><span class="n">get_name</span><span class="p">(</span><span class="n">path</span><span class="p">):</span> <span class="n">load_path</span><span class="p">(</span><span class="n">path</span><span class="p">)</span> <span class="k">for</span> <span class="n">path</span> <span class="ow">in</span> <span class="n">paths</span><span class="p">}</span></div> <div class="viewcode-block" id="resolve_playbook_path"><a class="viewcode-back" href="../../lifted.html#lifted.providers.resolve_playbook_path">[docs]</a><span class="k">def</span> <span class="nf">resolve_playbook_path</span><span class="p">(</span><span class="n">ucfg</span><span class="p">,</span> <span class="n">provider_name</span><span class="p">):</span> <span class="sd">"""Given a provider's name, return the path to its playbook</span> <span class="sd"> :param ucfg: upload config</span> <span class="sd"> :type ucfg: object</span> <span class="sd"> :param provider_name: the name of the provider to find the playbook for</span> <span class="sd"> :type provider_name: str</span> <span class="sd"> :raises: RuntimeError when the provider couldn't be found</span> <span class="sd"> :returns: the path to the playbook</span> <span class="sd"> :rtype: str</span> <span class="sd"> """</span> <span class="c1"># Make sure no path elements are present</span> <span class="n">provider_name</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">basename</span><span class="p">(</span><span class="n">provider_name</span><span class="p">)</span> <span class="n">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">join</span><span class="p">(</span><span class="n">ucfg</span><span class="p">[</span><span class="s2">"providers_dir"</span><span class="p">],</span> <span class="n">provider_name</span><span class="p">,</span> <span class="s2">"playbook.yaml"</span><span class="p">)</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">path</span><span class="p">):</span> <span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">(</span><span class="sa">f</span><span class="s1">'Couldn</span><span class="se">\'</span><span class="s1">t find playbook for "</span><span class="si">{</span><span class="n">provider_name</span><span class="si">}</span><span class="s1">"!'</span><span class="p">)</span> <span class="k">return</span> <span class="n">path</span></div> <div class="viewcode-block" id="list_providers"><a class="viewcode-back" href="../../lifted.html#lifted.providers.list_providers">[docs]</a><span class="k">def</span> <span class="nf">list_providers</span><span class="p">(</span><span class="n">ucfg</span><span class="p">):</span> <span class="sd">"""List the names of the available upload providers</span> <span class="sd"> :param ucfg: upload config</span> <span class="sd"> :type ucfg: object</span> <span class="sd"> :returns: a list of all available provider_names</span> <span class="sd"> :rtype: list of str</span> <span class="sd"> """</span> <span class="n">paths</span> <span class="o">=</span> <span class="n">glob</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">join</span><span class="p">(</span><span class="n">ucfg</span><span class="p">[</span><span class="s2">"providers_dir"</span><span class="p">],</span> <span class="s2">"*"</span><span class="p">))</span> <span class="k">return</span> <span class="nb">sorted</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">basename</span><span class="p">(</span><span class="n">path</span><span class="p">)</span> <span class="k">for</span> <span class="n">path</span> <span class="ow">in</span> <span class="n">paths</span><span class="p">)</span></div> <div class="viewcode-block" id="validate_settings"><a class="viewcode-back" href="../../lifted.html#lifted.providers.validate_settings">[docs]</a><span class="k">def</span> <span class="nf">validate_settings</span><span class="p">(</span><span class="n">ucfg</span><span class="p">,</span> <span class="n">provider_name</span><span class="p">,</span> <span class="n">settings</span><span class="p">,</span> <span class="n">image_name</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span> <span class="sd">"""Raise a ValueError if any settings are invalid</span> <span class="sd"> :param ucfg: upload config</span> <span class="sd"> :type ucfg: object</span> <span class="sd"> :param provider_name: the name of the provider to validate the settings against</span> <span class="sd"> :type provider_name: str</span> <span class="sd"> :param settings: the settings to validate</span> <span class="sd"> :type settings: dict</span> <span class="sd"> :param image_name: optionally check whether an image_name is valid</span> <span class="sd"> :type image_name: str</span> <span class="sd"> :raises: ValueError when the passed settings are invalid</span> <span class="sd"> :raises: RuntimeError when provider_name can't be found</span> <span class="sd"> """</span> <span class="k">if</span> <span class="n">image_name</span> <span class="o">==</span> <span class="s2">""</span><span class="p">:</span> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">"Image name cannot be empty!"</span><span class="p">)</span> <span class="n">type_map</span> <span class="o">=</span> <span class="p">{</span><span class="s2">"string"</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="s2">"boolean"</span><span class="p">:</span> <span class="nb">bool</span><span class="p">}</span> <span class="n">settings_info</span> <span class="o">=</span> <span class="n">resolve_provider</span><span class="p">(</span><span class="n">ucfg</span><span class="p">,</span> <span class="n">provider_name</span><span class="p">)[</span><span class="s2">"settings-info"</span><span class="p">]</span> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span> <span class="ow">in</span> <span class="n">settings</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> <span class="k">if</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">settings_info</span><span class="p">:</span> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s1">'Received unexpected setting: "</span><span class="si">{</span><span class="n">key</span><span class="si">}</span><span class="s1">"!'</span><span class="p">)</span> <span class="n">setting_type</span> <span class="o">=</span> <span class="n">settings_info</span><span class="p">[</span><span class="n">key</span><span class="p">][</span><span class="s2">"type"</span><span class="p">]</span> <span class="n">correct_type</span> <span class="o">=</span> <span class="n">type_map</span><span class="p">[</span><span class="n">setting_type</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">value</span><span class="p">,</span> <span class="n">correct_type</span><span class="p">):</span> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span> <span class="sa">f</span><span class="s1">'Expected a </span><span class="si">{</span><span class="n">correct_type</span><span class="si">}</span><span class="s1"> for "</span><span class="si">{</span><span class="n">key</span><span class="si">}</span><span class="s1">", received a </span><span class="si">{</span><span class="nb">type</span><span class="p">(</span><span class="n">value</span><span class="p">)</span><span class="si">}</span><span class="s1">!'</span> <span class="p">)</span> <span class="k">if</span> <span class="n">setting_type</span> <span class="o">==</span> <span class="s2">"string"</span> <span class="ow">and</span> <span class="s2">"regex"</span> <span class="ow">in</span> <span class="n">settings_info</span><span class="p">[</span><span class="n">key</span><span class="p">]:</span> <span class="k">if</span> <span class="ow">not</span> <span class="n">re</span><span class="o">.</span><span class="n">match</span><span class="p">(</span><span class="n">settings_info</span><span class="p">[</span><span class="n">key</span><span class="p">][</span><span class="s2">"regex"</span><span class="p">],</span> <span class="n">value</span><span class="p">):</span> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s1">'Value "</span><span class="si">{</span><span class="n">value</span><span class="si">}</span><span class="s1">" is invalid for setting "</span><span class="si">{</span><span class="n">key</span><span class="si">}</span><span class="s1">"!'</span><span class="p">)</span></div> <div class="viewcode-block" id="save_settings"><a class="viewcode-back" href="../../lifted.html#lifted.providers.save_settings">[docs]</a><span class="k">def</span> <span class="nf">save_settings</span><span class="p">(</span><span class="n">ucfg</span><span class="p">,</span> <span class="n">provider_name</span><span class="p">,</span> <span class="n">profile</span><span class="p">,</span> <span class="n">settings</span><span class="p">):</span> <span class="sd">"""Save (and overwrite) settings for a given provider</span> <span class="sd"> :param ucfg: upload config</span> <span class="sd"> :type ucfg: object</span> <span class="sd"> :param provider_name: the name of the cloud provider, e.g. "azure"</span> <span class="sd"> :type provider_name: str</span> <span class="sd"> :param profile: the name of the profile to save</span> <span class="sd"> :type profile: str != ""</span> <span class="sd"> :param settings: settings to save for that provider</span> <span class="sd"> :type settings: dict</span> <span class="sd"> :raises: ValueError when passed invalid settings or an invalid profile name</span> <span class="sd"> """</span> <span class="n">path</span> <span class="o">=</span> <span class="n">_get_profile_path</span><span class="p">(</span><span class="n">ucfg</span><span class="p">,</span> <span class="n">provider_name</span><span class="p">,</span> <span class="n">profile</span><span class="p">,</span> <span class="n">exists</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> <span class="n">validate_settings</span><span class="p">(</span><span class="n">ucfg</span><span class="p">,</span> <span class="n">provider_name</span><span class="p">,</span> <span class="n">settings</span><span class="p">,</span> <span class="n">image_name</span><span class="o">=</span><span class="kc">None</span><span class="p">)</span> <span class="c1"># touch the TOML file if it doesn't exist</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">path</span><span class="p">):</span> <span class="nb">open</span><span class="p">(</span><span class="n">path</span><span class="p">,</span> <span class="s2">"a"</span><span class="p">)</span><span class="o">.</span><span class="n">close</span><span class="p">()</span> <span class="c1"># make sure settings files aren't readable by others, as they will contain</span> <span class="c1"># sensitive credentials</span> <span class="n">current</span> <span class="o">=</span> <span class="n">stat</span><span class="o">.</span><span class="n">S_IMODE</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">lstat</span><span class="p">(</span><span class="n">path</span><span class="p">)</span><span class="o">.</span><span class="n">st_mode</span><span class="p">)</span> <span class="n">os</span><span class="o">.</span><span class="n">chmod</span><span class="p">(</span><span class="n">path</span><span class="p">,</span> <span class="n">current</span> <span class="o">&</span> <span class="o">~</span><span class="n">stat</span><span class="o">.</span><span class="n">S_IROTH</span><span class="p">)</span> <span class="k">with</span> <span class="nb">open</span><span class="p">(</span><span class="n">path</span><span class="p">,</span> <span class="s2">"w"</span><span class="p">)</span> <span class="k">as</span> <span class="n">settings_file</span><span class="p">:</span> <span class="n">toml</span><span class="o">.</span><span class="n">dump</span><span class="p">(</span><span class="n">settings</span><span class="p">,</span> <span class="n">settings_file</span><span class="p">)</span></div> <div class="viewcode-block" id="load_settings"><a class="viewcode-back" href="../../lifted.html#lifted.providers.load_settings">[docs]</a><span class="k">def</span> <span class="nf">load_settings</span><span class="p">(</span><span class="n">ucfg</span><span class="p">,</span> <span class="n">provider_name</span><span class="p">,</span> <span class="n">profile</span><span class="p">):</span> <span class="sd">"""Load settings for a provider's profile</span> <span class="sd"> :param ucfg: upload config</span> <span class="sd"> :type ucfg: object</span> <span class="sd"> :param provider_name: the name of the cloud provider, e.g. "azure"</span> <span class="sd"> :type provider_name: str</span> <span class="sd"> :param profile: the name of the profile to save</span> <span class="sd"> :type profile: str != ""</span> <span class="sd"> :returns: The profile settings for the selected provider</span> <span class="sd"> :rtype: dict</span> <span class="sd"> :raises: ValueError when passed invalid settings or an invalid profile name</span> <span class="sd"> :raises: RuntimeError when the provider or profile couldn't be found</span> <span class="sd"> :raises: ValueError when the passed settings are invalid</span> <span class="sd"> This also calls validate_settings on the loaded settings, potentially</span> <span class="sd"> raising an error if the saved settings are invalid.</span> <span class="sd"> """</span> <span class="n">path</span> <span class="o">=</span> <span class="n">_get_profile_path</span><span class="p">(</span><span class="n">ucfg</span><span class="p">,</span> <span class="n">provider_name</span><span class="p">,</span> <span class="n">profile</span><span class="p">)</span> <span class="k">with</span> <span class="nb">open</span><span class="p">(</span><span class="n">path</span><span class="p">)</span> <span class="k">as</span> <span class="n">file</span><span class="p">:</span> <span class="n">settings</span> <span class="o">=</span> <span class="n">toml</span><span class="o">.</span><span class="n">load</span><span class="p">(</span><span class="n">file</span><span class="p">)</span> <span class="n">validate_settings</span><span class="p">(</span><span class="n">ucfg</span><span class="p">,</span> <span class="n">provider_name</span><span class="p">,</span> <span class="n">settings</span><span class="p">)</span> <span class="k">return</span> <span class="n">settings</span></div> <div class="viewcode-block" id="delete_profile"><a class="viewcode-back" href="../../lifted.html#lifted.providers.delete_profile">[docs]</a><span class="k">def</span> <span class="nf">delete_profile</span><span class="p">(</span><span class="n">ucfg</span><span class="p">,</span> <span class="n">provider_name</span><span class="p">,</span> <span class="n">profile</span><span class="p">):</span> <span class="sd">"""Delete a provider's profile settings file</span> <span class="sd"> :param ucfg: upload config</span> <span class="sd"> :type ucfg: object</span> <span class="sd"> :param provider_name: the name of the cloud provider, e.g. "azure"</span> <span class="sd"> :type provider_name: str</span> <span class="sd"> :param profile: the name of the profile to save</span> <span class="sd"> :type profile: str != ""</span> <span class="sd"> :raises: ValueError when passed invalid settings or an invalid profile name</span> <span class="sd"> :raises: RuntimeError when the provider or profile couldn't be found</span> <span class="sd"> """</span> <span class="n">path</span> <span class="o">=</span> <span class="n">_get_profile_path</span><span class="p">(</span><span class="n">ucfg</span><span class="p">,</span> <span class="n">provider_name</span><span class="p">,</span> <span class="n">profile</span><span class="p">)</span> <span class="k">if</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">exists</span><span class="p">(</span><span class="n">path</span><span class="p">):</span> <span class="n">os</span><span class="o">.</span><span class="n">unlink</span><span class="p">(</span><span class="n">path</span><span class="p">)</span></div> </pre></div> </div> </div> <footer> <hr/> <div role="contentinfo"> <p> © Copyright 2018, Red Hat, Inc. </p> </div> Built with 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