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Add documentation on distributed Coach. (#158)
* Added documentation on distributed Coach.
This commit is contained in:
Balaji Subramaniam
committed by
Gal Novik
Gal Novik
parent
e3ecf445e2
commit
d06197f663
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<h1>Source code for rl_coach.orchestrators.kubernetes_orchestrator</h1><div class="highlight"><pre>
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<span></span><span class="kn">import</span> <span class="nn">os</span>
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<span class="kn">import</span> <span class="nn">uuid</span>
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<span class="kn">import</span> <span class="nn">json</span>
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<span class="kn">import</span> <span class="nn">time</span>
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<span class="kn">import</span> <span class="nn">sys</span>
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<span class="kn">from</span> <span class="nn">enum</span> <span class="k">import</span> <span class="n">Enum</span>
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<span class="kn">from</span> <span class="nn">typing</span> <span class="k">import</span> <span class="n">List</span>
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<span class="kn">from</span> <span class="nn">configparser</span> <span class="k">import</span> <span class="n">ConfigParser</span><span class="p">,</span> <span class="n">Error</span>
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<span class="kn">from</span> <span class="nn">multiprocessing</span> <span class="k">import</span> <span class="n">Process</span>
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<span class="kn">from</span> <span class="nn">rl_coach.base_parameters</span> <span class="k">import</span> <span class="n">RunType</span>
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<span class="kn">from</span> <span class="nn">rl_coach.orchestrators.deploy</span> <span class="k">import</span> <span class="n">Deploy</span><span class="p">,</span> <span class="n">DeployParameters</span>
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<span class="kn">from</span> <span class="nn">kubernetes</span> <span class="k">import</span> <span class="n">client</span> <span class="k">as</span> <span class="n">k8sclient</span><span class="p">,</span> <span class="n">config</span> <span class="k">as</span> <span class="n">k8sconfig</span>
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<span class="kn">from</span> <span class="nn">rl_coach.memories.backend.memory</span> <span class="k">import</span> <span class="n">MemoryBackendParameters</span>
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<span class="kn">from</span> <span class="nn">rl_coach.memories.backend.memory_impl</span> <span class="k">import</span> <span class="n">get_memory_backend</span>
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<span class="kn">from</span> <span class="nn">rl_coach.data_stores.data_store</span> <span class="k">import</span> <span class="n">DataStoreParameters</span>
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<span class="kn">from</span> <span class="nn">rl_coach.data_stores.data_store_impl</span> <span class="k">import</span> <span class="n">get_data_store</span>
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<span class="k">class</span> <span class="nc">RunTypeParameters</span><span class="p">():</span>
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<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">image</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">command</span><span class="p">:</span> <span class="nb">list</span><span class="p">(),</span> <span class="n">arguments</span><span class="p">:</span> <span class="nb">list</span><span class="p">()</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
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<span class="n">run_type</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="nb">str</span><span class="p">(</span><span class="n">RunType</span><span class="o">.</span><span class="n">TRAINER</span><span class="p">),</span> <span class="n">checkpoint_dir</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">"/checkpoint"</span><span class="p">,</span>
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<span class="n">num_replicas</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="mi">1</span><span class="p">,</span> <span class="n">orchestration_params</span><span class="p">:</span> <span class="nb">dict</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">image</span> <span class="o">=</span> <span class="n">image</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">command</span> <span class="o">=</span> <span class="n">command</span>
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<span class="k">if</span> <span class="ow">not</span> <span class="n">arguments</span><span class="p">:</span>
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<span class="n">arguments</span> <span class="o">=</span> <span class="nb">list</span><span class="p">()</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">arguments</span> <span class="o">=</span> <span class="n">arguments</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">run_type</span> <span class="o">=</span> <span class="n">run_type</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">checkpoint_dir</span> <span class="o">=</span> <span class="n">checkpoint_dir</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">num_replicas</span> <span class="o">=</span> <span class="n">num_replicas</span>
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<span class="k">if</span> <span class="ow">not</span> <span class="n">orchestration_params</span><span class="p">:</span>
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<span class="n">orchestration_params</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">()</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">orchestration_params</span> <span class="o">=</span> <span class="n">orchestration_params</span>
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<span class="k">class</span> <span class="nc">KubernetesParameters</span><span class="p">(</span><span class="n">DeployParameters</span><span class="p">):</span>
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<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">run_type_params</span><span class="p">:</span> <span class="n">List</span><span class="p">[</span><span class="n">RunTypeParameters</span><span class="p">],</span> <span class="n">kubeconfig</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> <span class="n">namespace</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
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<span class="n">nfs_server</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> <span class="n">nfs_path</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> <span class="n">checkpoint_dir</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s1">'/checkpoint'</span><span class="p">,</span>
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<span class="n">memory_backend_parameters</span><span class="p">:</span> <span class="n">MemoryBackendParameters</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> <span class="n">data_store_params</span><span class="p">:</span> <span class="n">DataStoreParameters</span> <span class="o">=</span> <span class="kc">None</span><span class="p">):</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">run_type_params</span> <span class="o">=</span> <span class="p">{}</span>
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<span class="k">for</span> <span class="n">run_type_param</span> <span class="ow">in</span> <span class="n">run_type_params</span><span class="p">:</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">run_type_params</span><span class="p">[</span><span class="n">run_type_param</span><span class="o">.</span><span class="n">run_type</span><span class="p">]</span> <span class="o">=</span> <span class="n">run_type_param</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">kubeconfig</span> <span class="o">=</span> <span class="n">kubeconfig</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">namespace</span> <span class="o">=</span> <span class="n">namespace</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">nfs_server</span> <span class="o">=</span> <span class="n">nfs_server</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">nfs_path</span> <span class="o">=</span> <span class="n">nfs_path</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">checkpoint_dir</span> <span class="o">=</span> <span class="n">checkpoint_dir</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">memory_backend_parameters</span> <span class="o">=</span> <span class="n">memory_backend_parameters</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">data_store_params</span> <span class="o">=</span> <span class="n">data_store_params</span>
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<div class="viewcode-block" id="Kubernetes"><a class="viewcode-back" href="../../../components/orchestrators/index.html#rl_coach.orchestrators.kubernetes_orchestrator.Kubernetes">[docs]</a><span class="k">class</span> <span class="nc">Kubernetes</span><span class="p">(</span><span class="n">Deploy</span><span class="p">):</span>
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<span class="sd">"""</span>
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<span class="sd"> An orchestrator implmentation which uses Kubernetes to deploy the components such as training and rollout workers</span>
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<span class="sd"> and Redis Pub/Sub in Coach when used in the distributed mode.</span>
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<span class="sd"> """</span>
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<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">params</span><span class="p">:</span> <span class="n">KubernetesParameters</span><span class="p">):</span>
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<span class="sd">"""</span>
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<span class="sd"> :param params: The Kubernetes parameters which are used for deploying the components in Coach. These parameters</span>
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<span class="sd"> include namespace and kubeconfig.</span>
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<span class="sd"> """</span>
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<span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">params</span><span class="p">)</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">params</span> <span class="o">=</span> <span class="n">params</span>
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<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">kubeconfig</span><span class="p">:</span>
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<span class="n">k8sconfig</span><span class="o">.</span><span class="n">load_kube_config</span><span class="p">()</span>
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<span class="k">else</span><span class="p">:</span>
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<span class="n">k8sconfig</span><span class="o">.</span><span class="n">load_incluster_config</span><span class="p">()</span>
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<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">namespace</span><span class="p">:</span>
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<span class="n">_</span><span class="p">,</span> <span class="n">current_context</span> <span class="o">=</span> <span class="n">k8sconfig</span><span class="o">.</span><span class="n">list_kube_config_contexts</span><span class="p">()</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">namespace</span> <span class="o">=</span> <span class="n">current_context</span><span class="p">[</span><span class="s1">'context'</span><span class="p">][</span><span class="s1">'namespace'</span><span class="p">]</span>
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<span class="k">if</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'http_proxy'</span><span class="p">):</span>
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||||
<span class="n">k8sclient</span><span class="o">.</span><span class="n">Configuration</span><span class="o">.</span><span class="n">_default</span><span class="o">.</span><span class="n">proxy</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'http_proxy'</span><span class="p">)</span>
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||||
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||||
<span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">memory_backend_parameters</span><span class="o">.</span><span class="n">orchestrator_params</span> <span class="o">=</span> <span class="p">{</span><span class="s1">'namespace'</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">namespace</span><span class="p">}</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">memory_backend</span> <span class="o">=</span> <span class="n">get_memory_backend</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">memory_backend_parameters</span><span class="p">)</span>
|
||||
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">data_store_params</span><span class="o">.</span><span class="n">orchestrator_params</span> <span class="o">=</span> <span class="p">{</span><span class="s1">'namespace'</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">namespace</span><span class="p">}</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">data_store_params</span><span class="o">.</span><span class="n">namespace</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">namespace</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">data_store</span> <span class="o">=</span> <span class="n">get_data_store</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">data_store_params</span><span class="p">)</span>
|
||||
|
||||
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">data_store_params</span><span class="o">.</span><span class="n">store_type</span> <span class="o">==</span> <span class="s2">"s3"</span><span class="p">:</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">s3_access_key</span> <span class="o">=</span> <span class="kc">None</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">s3_secret_key</span> <span class="o">=</span> <span class="kc">None</span>
|
||||
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">data_store_params</span><span class="o">.</span><span class="n">creds_file</span><span class="p">:</span>
|
||||
<span class="n">s3config</span> <span class="o">=</span> <span class="n">ConfigParser</span><span class="p">()</span>
|
||||
<span class="n">s3config</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">data_store_params</span><span class="o">.</span><span class="n">creds_file</span><span class="p">)</span>
|
||||
<span class="k">try</span><span class="p">:</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">s3_access_key</span> <span class="o">=</span> <span class="n">s3config</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'default'</span><span class="p">,</span> <span class="s1">'aws_access_key_id'</span><span class="p">)</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">s3_secret_key</span> <span class="o">=</span> <span class="n">s3config</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'default'</span><span class="p">,</span> <span class="s1">'aws_secret_access_key'</span><span class="p">)</span>
|
||||
<span class="k">except</span> <span class="n">Error</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
|
||||
<span class="nb">print</span><span class="p">(</span><span class="s2">"Error when reading S3 credentials file: </span><span class="si">%s</span><span class="s2">"</span><span class="p">,</span> <span class="n">e</span><span class="p">)</span>
|
||||
<span class="k">else</span><span class="p">:</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">s3_access_key</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'ACCESS_KEY_ID'</span><span class="p">)</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">s3_secret_key</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'SECRET_ACCESS_KEY'</span><span class="p">)</span>
|
||||
|
||||
<span class="k">def</span> <span class="nf">setup</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span>
|
||||
<span class="sd">"""</span>
|
||||
<span class="sd"> Deploys the memory backend and data stores if required.</span>
|
||||
<span class="sd"> """</span>
|
||||
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">memory_backend</span><span class="o">.</span><span class="n">deploy</span><span class="p">()</span>
|
||||
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">data_store</span><span class="o">.</span><span class="n">deploy</span><span class="p">():</span>
|
||||
<span class="k">return</span> <span class="kc">False</span>
|
||||
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">data_store_params</span><span class="o">.</span><span class="n">store_type</span> <span class="o">==</span> <span class="s2">"nfs"</span><span class="p">:</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">nfs_pvc</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">data_store</span><span class="o">.</span><span class="n">get_info</span><span class="p">()</span>
|
||||
<span class="k">return</span> <span class="kc">True</span>
|
||||
|
||||
<span class="k">def</span> <span class="nf">deploy_trainer</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span>
|
||||
<span class="sd">"""</span>
|
||||
<span class="sd"> Deploys the training worker in Kubernetes.</span>
|
||||
<span class="sd"> """</span>
|
||||
|
||||
<span class="n">trainer_params</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">run_type_params</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">RunType</span><span class="o">.</span><span class="n">TRAINER</span><span class="p">),</span> <span class="kc">None</span><span class="p">)</span>
|
||||
<span class="k">if</span> <span class="ow">not</span> <span class="n">trainer_params</span><span class="p">:</span>
|
||||
<span class="k">return</span> <span class="kc">False</span>
|
||||
|
||||
<span class="n">trainer_params</span><span class="o">.</span><span class="n">command</span> <span class="o">+=</span> <span class="p">[</span><span class="s1">'--memory_backend_params'</span><span class="p">,</span> <span class="n">json</span><span class="o">.</span><span class="n">dumps</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">memory_backend_parameters</span><span class="o">.</span><span class="vm">__dict__</span><span class="p">)]</span>
|
||||
<span class="n">trainer_params</span><span class="o">.</span><span class="n">command</span> <span class="o">+=</span> <span class="p">[</span><span class="s1">'--data_store_params'</span><span class="p">,</span> <span class="n">json</span><span class="o">.</span><span class="n">dumps</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">data_store_params</span><span class="o">.</span><span class="vm">__dict__</span><span class="p">)]</span>
|
||||
|
||||
<span class="n">name</span> <span class="o">=</span> <span class="s2">"</span><span class="si">{}</span><span class="s2">-</span><span class="si">{}</span><span class="s2">"</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">trainer_params</span><span class="o">.</span><span class="n">run_type</span><span class="p">,</span> <span class="n">uuid</span><span class="o">.</span><span class="n">uuid4</span><span class="p">())</span>
|
||||
|
||||
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">data_store_params</span><span class="o">.</span><span class="n">store_type</span> <span class="o">==</span> <span class="s2">"nfs"</span><span class="p">:</span>
|
||||
<span class="n">container</span> <span class="o">=</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">V1Container</span><span class="p">(</span>
|
||||
<span class="n">name</span><span class="o">=</span><span class="n">name</span><span class="p">,</span>
|
||||
<span class="n">image</span><span class="o">=</span><span class="n">trainer_params</span><span class="o">.</span><span class="n">image</span><span class="p">,</span>
|
||||
<span class="n">command</span><span class="o">=</span><span class="n">trainer_params</span><span class="o">.</span><span class="n">command</span><span class="p">,</span>
|
||||
<span class="n">args</span><span class="o">=</span><span class="n">trainer_params</span><span class="o">.</span><span class="n">arguments</span><span class="p">,</span>
|
||||
<span class="n">image_pull_policy</span><span class="o">=</span><span class="s1">'Always'</span><span class="p">,</span>
|
||||
<span class="n">volume_mounts</span><span class="o">=</span><span class="p">[</span><span class="n">k8sclient</span><span class="o">.</span><span class="n">V1VolumeMount</span><span class="p">(</span>
|
||||
<span class="n">name</span><span class="o">=</span><span class="s1">'nfs-pvc'</span><span class="p">,</span>
|
||||
<span class="n">mount_path</span><span class="o">=</span><span class="n">trainer_params</span><span class="o">.</span><span class="n">checkpoint_dir</span>
|
||||
<span class="p">)],</span>
|
||||
<span class="n">stdin</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span>
|
||||
<span class="n">tty</span><span class="o">=</span><span class="kc">True</span>
|
||||
<span class="p">)</span>
|
||||
<span class="n">template</span> <span class="o">=</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">V1PodTemplateSpec</span><span class="p">(</span>
|
||||
<span class="n">metadata</span><span class="o">=</span><span class="n">k8sclient</span><span class="o">.</span><span class="n">V1ObjectMeta</span><span class="p">(</span><span class="n">labels</span><span class="o">=</span><span class="p">{</span><span class="s1">'app'</span><span class="p">:</span> <span class="n">name</span><span class="p">}),</span>
|
||||
<span class="n">spec</span><span class="o">=</span><span class="n">k8sclient</span><span class="o">.</span><span class="n">V1PodSpec</span><span class="p">(</span>
|
||||
<span class="n">containers</span><span class="o">=</span><span class="p">[</span><span class="n">container</span><span class="p">],</span>
|
||||
<span class="n">volumes</span><span class="o">=</span><span class="p">[</span><span class="n">k8sclient</span><span class="o">.</span><span class="n">V1Volume</span><span class="p">(</span>
|
||||
<span class="n">name</span><span class="o">=</span><span class="s2">"nfs-pvc"</span><span class="p">,</span>
|
||||
<span class="n">persistent_volume_claim</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">nfs_pvc</span>
|
||||
<span class="p">)],</span>
|
||||
<span class="n">restart_policy</span><span class="o">=</span><span class="s1">'OnFailure'</span>
|
||||
<span class="p">),</span>
|
||||
<span class="p">)</span>
|
||||
<span class="k">else</span><span class="p">:</span>
|
||||
<span class="n">container</span> <span class="o">=</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">V1Container</span><span class="p">(</span>
|
||||
<span class="n">name</span><span class="o">=</span><span class="n">name</span><span class="p">,</span>
|
||||
<span class="n">image</span><span class="o">=</span><span class="n">trainer_params</span><span class="o">.</span><span class="n">image</span><span class="p">,</span>
|
||||
<span class="n">command</span><span class="o">=</span><span class="n">trainer_params</span><span class="o">.</span><span class="n">command</span><span class="p">,</span>
|
||||
<span class="n">args</span><span class="o">=</span><span class="n">trainer_params</span><span class="o">.</span><span class="n">arguments</span><span class="p">,</span>
|
||||
<span class="n">image_pull_policy</span><span class="o">=</span><span class="s1">'Always'</span><span class="p">,</span>
|
||||
<span class="n">env</span><span class="o">=</span><span class="p">[</span><span class="n">k8sclient</span><span class="o">.</span><span class="n">V1EnvVar</span><span class="p">(</span><span class="s2">"ACCESS_KEY_ID"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">s3_access_key</span><span class="p">),</span>
|
||||
<span class="n">k8sclient</span><span class="o">.</span><span class="n">V1EnvVar</span><span class="p">(</span><span class="s2">"SECRET_ACCESS_KEY"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">s3_secret_key</span><span class="p">)],</span>
|
||||
<span class="n">stdin</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span>
|
||||
<span class="n">tty</span><span class="o">=</span><span class="kc">True</span>
|
||||
<span class="p">)</span>
|
||||
<span class="n">template</span> <span class="o">=</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">V1PodTemplateSpec</span><span class="p">(</span>
|
||||
<span class="n">metadata</span><span class="o">=</span><span class="n">k8sclient</span><span class="o">.</span><span class="n">V1ObjectMeta</span><span class="p">(</span><span class="n">labels</span><span class="o">=</span><span class="p">{</span><span class="s1">'app'</span><span class="p">:</span> <span class="n">name</span><span class="p">}),</span>
|
||||
<span class="n">spec</span><span class="o">=</span><span class="n">k8sclient</span><span class="o">.</span><span class="n">V1PodSpec</span><span class="p">(</span>
|
||||
<span class="n">containers</span><span class="o">=</span><span class="p">[</span><span class="n">container</span><span class="p">],</span>
|
||||
<span class="n">restart_policy</span><span class="o">=</span><span class="s1">'OnFailure'</span>
|
||||
<span class="p">),</span>
|
||||
<span class="p">)</span>
|
||||
|
||||
<span class="n">job_spec</span> <span class="o">=</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">V1JobSpec</span><span class="p">(</span>
|
||||
<span class="n">completions</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span>
|
||||
<span class="n">template</span><span class="o">=</span><span class="n">template</span>
|
||||
<span class="p">)</span>
|
||||
|
||||
<span class="n">job</span> <span class="o">=</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">V1Job</span><span class="p">(</span>
|
||||
<span class="n">api_version</span><span class="o">=</span><span class="s2">"batch/v1"</span><span class="p">,</span>
|
||||
<span class="n">kind</span><span class="o">=</span><span class="s2">"Job"</span><span class="p">,</span>
|
||||
<span class="n">metadata</span><span class="o">=</span><span class="n">k8sclient</span><span class="o">.</span><span class="n">V1ObjectMeta</span><span class="p">(</span><span class="n">name</span><span class="o">=</span><span class="n">name</span><span class="p">),</span>
|
||||
<span class="n">spec</span><span class="o">=</span><span class="n">job_spec</span>
|
||||
<span class="p">)</span>
|
||||
|
||||
<span class="n">api_client</span> <span class="o">=</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">BatchV1Api</span><span class="p">()</span>
|
||||
<span class="k">try</span><span class="p">:</span>
|
||||
<span class="n">api_client</span><span class="o">.</span><span class="n">create_namespaced_job</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">namespace</span><span class="p">,</span> <span class="n">job</span><span class="p">)</span>
|
||||
<span class="n">trainer_params</span><span class="o">.</span><span class="n">orchestration_params</span><span class="p">[</span><span class="s1">'job_name'</span><span class="p">]</span> <span class="o">=</span> <span class="n">name</span>
|
||||
<span class="k">return</span> <span class="kc">True</span>
|
||||
<span class="k">except</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">rest</span><span class="o">.</span><span class="n">ApiException</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
|
||||
<span class="nb">print</span><span class="p">(</span><span class="s2">"Got exception: </span><span class="si">%s</span><span class="se">\n</span><span class="s2"> while creating job"</span><span class="p">,</span> <span class="n">e</span><span class="p">)</span>
|
||||
<span class="k">return</span> <span class="kc">False</span>
|
||||
|
||||
<span class="k">def</span> <span class="nf">deploy_worker</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
||||
<span class="sd">"""</span>
|
||||
<span class="sd"> Deploys the rollout worker(s) in Kubernetes.</span>
|
||||
<span class="sd"> """</span>
|
||||
|
||||
<span class="n">worker_params</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">run_type_params</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">RunType</span><span class="o">.</span><span class="n">ROLLOUT_WORKER</span><span class="p">),</span> <span class="kc">None</span><span class="p">)</span>
|
||||
<span class="k">if</span> <span class="ow">not</span> <span class="n">worker_params</span><span class="p">:</span>
|
||||
<span class="k">return</span> <span class="kc">False</span>
|
||||
|
||||
<span class="n">worker_params</span><span class="o">.</span><span class="n">command</span> <span class="o">+=</span> <span class="p">[</span><span class="s1">'--memory_backend_params'</span><span class="p">,</span> <span class="n">json</span><span class="o">.</span><span class="n">dumps</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">memory_backend_parameters</span><span class="o">.</span><span class="vm">__dict__</span><span class="p">)]</span>
|
||||
<span class="n">worker_params</span><span class="o">.</span><span class="n">command</span> <span class="o">+=</span> <span class="p">[</span><span class="s1">'--data_store_params'</span><span class="p">,</span> <span class="n">json</span><span class="o">.</span><span class="n">dumps</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">data_store_params</span><span class="o">.</span><span class="vm">__dict__</span><span class="p">)]</span>
|
||||
<span class="n">worker_params</span><span class="o">.</span><span class="n">command</span> <span class="o">+=</span> <span class="p">[</span><span class="s1">'--num_workers'</span><span class="p">,</span> <span class="s1">'</span><span class="si">{}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">worker_params</span><span class="o">.</span><span class="n">num_replicas</span><span class="p">)]</span>
|
||||
|
||||
<span class="n">name</span> <span class="o">=</span> <span class="s2">"</span><span class="si">{}</span><span class="s2">-</span><span class="si">{}</span><span class="s2">"</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">worker_params</span><span class="o">.</span><span class="n">run_type</span><span class="p">,</span> <span class="n">uuid</span><span class="o">.</span><span class="n">uuid4</span><span class="p">())</span>
|
||||
|
||||
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">data_store_params</span><span class="o">.</span><span class="n">store_type</span> <span class="o">==</span> <span class="s2">"nfs"</span><span class="p">:</span>
|
||||
<span class="n">container</span> <span class="o">=</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">V1Container</span><span class="p">(</span>
|
||||
<span class="n">name</span><span class="o">=</span><span class="n">name</span><span class="p">,</span>
|
||||
<span class="n">image</span><span class="o">=</span><span class="n">worker_params</span><span class="o">.</span><span class="n">image</span><span class="p">,</span>
|
||||
<span class="n">command</span><span class="o">=</span><span class="n">worker_params</span><span class="o">.</span><span class="n">command</span><span class="p">,</span>
|
||||
<span class="n">args</span><span class="o">=</span><span class="n">worker_params</span><span class="o">.</span><span class="n">arguments</span><span class="p">,</span>
|
||||
<span class="n">image_pull_policy</span><span class="o">=</span><span class="s1">'Always'</span><span class="p">,</span>
|
||||
<span class="n">volume_mounts</span><span class="o">=</span><span class="p">[</span><span class="n">k8sclient</span><span class="o">.</span><span class="n">V1VolumeMount</span><span class="p">(</span>
|
||||
<span class="n">name</span><span class="o">=</span><span class="s1">'nfs-pvc'</span><span class="p">,</span>
|
||||
<span class="n">mount_path</span><span class="o">=</span><span class="n">worker_params</span><span class="o">.</span><span class="n">checkpoint_dir</span>
|
||||
<span class="p">)],</span>
|
||||
<span class="n">stdin</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span>
|
||||
<span class="n">tty</span><span class="o">=</span><span class="kc">True</span>
|
||||
<span class="p">)</span>
|
||||
<span class="n">template</span> <span class="o">=</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">V1PodTemplateSpec</span><span class="p">(</span>
|
||||
<span class="n">metadata</span><span class="o">=</span><span class="n">k8sclient</span><span class="o">.</span><span class="n">V1ObjectMeta</span><span class="p">(</span><span class="n">labels</span><span class="o">=</span><span class="p">{</span><span class="s1">'app'</span><span class="p">:</span> <span class="n">name</span><span class="p">}),</span>
|
||||
<span class="n">spec</span><span class="o">=</span><span class="n">k8sclient</span><span class="o">.</span><span class="n">V1PodSpec</span><span class="p">(</span>
|
||||
<span class="n">containers</span><span class="o">=</span><span class="p">[</span><span class="n">container</span><span class="p">],</span>
|
||||
<span class="n">volumes</span><span class="o">=</span><span class="p">[</span><span class="n">k8sclient</span><span class="o">.</span><span class="n">V1Volume</span><span class="p">(</span>
|
||||
<span class="n">name</span><span class="o">=</span><span class="s2">"nfs-pvc"</span><span class="p">,</span>
|
||||
<span class="n">persistent_volume_claim</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">nfs_pvc</span>
|
||||
<span class="p">)],</span>
|
||||
<span class="n">restart_policy</span><span class="o">=</span><span class="s1">'OnFailure'</span>
|
||||
<span class="p">),</span>
|
||||
<span class="p">)</span>
|
||||
<span class="k">else</span><span class="p">:</span>
|
||||
<span class="n">container</span> <span class="o">=</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">V1Container</span><span class="p">(</span>
|
||||
<span class="n">name</span><span class="o">=</span><span class="n">name</span><span class="p">,</span>
|
||||
<span class="n">image</span><span class="o">=</span><span class="n">worker_params</span><span class="o">.</span><span class="n">image</span><span class="p">,</span>
|
||||
<span class="n">command</span><span class="o">=</span><span class="n">worker_params</span><span class="o">.</span><span class="n">command</span><span class="p">,</span>
|
||||
<span class="n">args</span><span class="o">=</span><span class="n">worker_params</span><span class="o">.</span><span class="n">arguments</span><span class="p">,</span>
|
||||
<span class="n">image_pull_policy</span><span class="o">=</span><span class="s1">'Always'</span><span class="p">,</span>
|
||||
<span class="n">env</span><span class="o">=</span><span class="p">[</span><span class="n">k8sclient</span><span class="o">.</span><span class="n">V1EnvVar</span><span class="p">(</span><span class="s2">"ACCESS_KEY_ID"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">s3_access_key</span><span class="p">),</span>
|
||||
<span class="n">k8sclient</span><span class="o">.</span><span class="n">V1EnvVar</span><span class="p">(</span><span class="s2">"SECRET_ACCESS_KEY"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">s3_secret_key</span><span class="p">)],</span>
|
||||
<span class="n">stdin</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span>
|
||||
<span class="n">tty</span><span class="o">=</span><span class="kc">True</span>
|
||||
<span class="p">)</span>
|
||||
<span class="n">template</span> <span class="o">=</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">V1PodTemplateSpec</span><span class="p">(</span>
|
||||
<span class="n">metadata</span><span class="o">=</span><span class="n">k8sclient</span><span class="o">.</span><span class="n">V1ObjectMeta</span><span class="p">(</span><span class="n">labels</span><span class="o">=</span><span class="p">{</span><span class="s1">'app'</span><span class="p">:</span> <span class="n">name</span><span class="p">}),</span>
|
||||
<span class="n">spec</span><span class="o">=</span><span class="n">k8sclient</span><span class="o">.</span><span class="n">V1PodSpec</span><span class="p">(</span>
|
||||
<span class="n">containers</span><span class="o">=</span><span class="p">[</span><span class="n">container</span><span class="p">],</span>
|
||||
<span class="n">restart_policy</span><span class="o">=</span><span class="s1">'OnFailure'</span>
|
||||
<span class="p">)</span>
|
||||
<span class="p">)</span>
|
||||
|
||||
<span class="n">job_spec</span> <span class="o">=</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">V1JobSpec</span><span class="p">(</span>
|
||||
<span class="n">completions</span><span class="o">=</span><span class="n">worker_params</span><span class="o">.</span><span class="n">num_replicas</span><span class="p">,</span>
|
||||
<span class="n">parallelism</span><span class="o">=</span><span class="n">worker_params</span><span class="o">.</span><span class="n">num_replicas</span><span class="p">,</span>
|
||||
<span class="n">template</span><span class="o">=</span><span class="n">template</span>
|
||||
<span class="p">)</span>
|
||||
|
||||
<span class="n">job</span> <span class="o">=</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">V1Job</span><span class="p">(</span>
|
||||
<span class="n">api_version</span><span class="o">=</span><span class="s2">"batch/v1"</span><span class="p">,</span>
|
||||
<span class="n">kind</span><span class="o">=</span><span class="s2">"Job"</span><span class="p">,</span>
|
||||
<span class="n">metadata</span><span class="o">=</span><span class="n">k8sclient</span><span class="o">.</span><span class="n">V1ObjectMeta</span><span class="p">(</span><span class="n">name</span><span class="o">=</span><span class="n">name</span><span class="p">),</span>
|
||||
<span class="n">spec</span><span class="o">=</span><span class="n">job_spec</span>
|
||||
<span class="p">)</span>
|
||||
|
||||
<span class="n">api_client</span> <span class="o">=</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">BatchV1Api</span><span class="p">()</span>
|
||||
<span class="k">try</span><span class="p">:</span>
|
||||
<span class="n">api_client</span><span class="o">.</span><span class="n">create_namespaced_job</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">namespace</span><span class="p">,</span> <span class="n">job</span><span class="p">)</span>
|
||||
<span class="n">worker_params</span><span class="o">.</span><span class="n">orchestration_params</span><span class="p">[</span><span class="s1">'job_name'</span><span class="p">]</span> <span class="o">=</span> <span class="n">name</span>
|
||||
<span class="k">return</span> <span class="kc">True</span>
|
||||
<span class="k">except</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">rest</span><span class="o">.</span><span class="n">ApiException</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
|
||||
<span class="nb">print</span><span class="p">(</span><span class="s2">"Got exception: </span><span class="si">%s</span><span class="se">\n</span><span class="s2"> while creating Job"</span><span class="p">,</span> <span class="n">e</span><span class="p">)</span>
|
||||
<span class="k">return</span> <span class="kc">False</span>
|
||||
|
||||
<span class="k">def</span> <span class="nf">worker_logs</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">path</span><span class="o">=</span><span class="s1">'./logs'</span><span class="p">):</span>
|
||||
<span class="sd">"""</span>
|
||||
<span class="sd"> :param path: Path to store the worker logs.</span>
|
||||
<span class="sd"> """</span>
|
||||
<span class="n">worker_params</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">run_type_params</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">RunType</span><span class="o">.</span><span class="n">ROLLOUT_WORKER</span><span class="p">),</span> <span class="kc">None</span><span class="p">)</span>
|
||||
<span class="k">if</span> <span class="ow">not</span> <span class="n">worker_params</span><span class="p">:</span>
|
||||
<span class="k">return</span>
|
||||
|
||||
<span class="n">api_client</span> <span class="o">=</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">CoreV1Api</span><span class="p">()</span>
|
||||
<span class="n">pods</span> <span class="o">=</span> <span class="kc">None</span>
|
||||
<span class="k">try</span><span class="p">:</span>
|
||||
<span class="n">pods</span> <span class="o">=</span> <span class="n">api_client</span><span class="o">.</span><span class="n">list_namespaced_pod</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">namespace</span><span class="p">,</span> <span class="n">label_selector</span><span class="o">=</span><span class="s1">'app=</span><span class="si">{}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span>
|
||||
<span class="n">worker_params</span><span class="o">.</span><span class="n">orchestration_params</span><span class="p">[</span><span class="s1">'job_name'</span><span class="p">]</span>
|
||||
<span class="p">))</span>
|
||||
|
||||
<span class="c1"># pod = pods.items[0]</span>
|
||||
<span class="k">except</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">rest</span><span class="o">.</span><span class="n">ApiException</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
|
||||
<span class="nb">print</span><span class="p">(</span><span class="s2">"Got exception: </span><span class="si">%s</span><span class="se">\n</span><span class="s2"> while reading pods"</span><span class="p">,</span> <span class="n">e</span><span class="p">)</span>
|
||||
<span class="k">return</span>
|
||||
|
||||
<span class="k">if</span> <span class="ow">not</span> <span class="n">pods</span> <span class="ow">or</span> <span class="nb">len</span><span class="p">(</span><span class="n">pods</span><span class="o">.</span><span class="n">items</span><span class="p">)</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
|
||||
<span class="k">return</span>
|
||||
|
||||
<span class="k">for</span> <span class="n">pod</span> <span class="ow">in</span> <span class="n">pods</span><span class="o">.</span><span class="n">items</span><span class="p">:</span>
|
||||
<span class="n">Process</span><span class="p">(</span><span class="n">target</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_tail_log_file</span><span class="p">,</span> <span class="n">args</span><span class="o">=</span><span class="p">(</span><span class="n">pod</span><span class="o">.</span><span class="n">metadata</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">api_client</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">namespace</span><span class="p">,</span> <span class="n">path</span><span class="p">))</span><span class="o">.</span><span class="n">start</span><span class="p">()</span>
|
||||
|
||||
<span class="k">def</span> <span class="nf">_tail_log_file</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">pod_name</span><span class="p">,</span> <span class="n">api_client</span><span class="p">,</span> <span class="n">namespace</span><span class="p">,</span> <span class="n">path</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">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">mkdir</span><span class="p">(</span><span class="n">path</span><span class="p">)</span>
|
||||
|
||||
<span class="n">sys</span><span class="o">.</span><span class="n">stdout</span> <span class="o">=</span> <span class="nb">open</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">path</span><span class="p">,</span> <span class="n">pod_name</span><span class="p">),</span> <span class="s1">'w'</span><span class="p">)</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">tail_log</span><span class="p">(</span><span class="n">pod_name</span><span class="p">,</span> <span class="n">api_client</span><span class="p">)</span>
|
||||
|
||||
<span class="k">def</span> <span class="nf">trainer_logs</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
||||
<span class="sd">"""</span>
|
||||
<span class="sd"> Get the logs from trainer.</span>
|
||||
<span class="sd"> """</span>
|
||||
<span class="n">trainer_params</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">run_type_params</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">RunType</span><span class="o">.</span><span class="n">TRAINER</span><span class="p">),</span> <span class="kc">None</span><span class="p">)</span>
|
||||
<span class="k">if</span> <span class="ow">not</span> <span class="n">trainer_params</span><span class="p">:</span>
|
||||
<span class="k">return</span>
|
||||
|
||||
<span class="n">api_client</span> <span class="o">=</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">CoreV1Api</span><span class="p">()</span>
|
||||
<span class="n">pod</span> <span class="o">=</span> <span class="kc">None</span>
|
||||
<span class="k">try</span><span class="p">:</span>
|
||||
<span class="n">pods</span> <span class="o">=</span> <span class="n">api_client</span><span class="o">.</span><span class="n">list_namespaced_pod</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">namespace</span><span class="p">,</span> <span class="n">label_selector</span><span class="o">=</span><span class="s1">'app=</span><span class="si">{}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span>
|
||||
<span class="n">trainer_params</span><span class="o">.</span><span class="n">orchestration_params</span><span class="p">[</span><span class="s1">'job_name'</span><span class="p">]</span>
|
||||
<span class="p">))</span>
|
||||
|
||||
<span class="n">pod</span> <span class="o">=</span> <span class="n">pods</span><span class="o">.</span><span class="n">items</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
|
||||
<span class="k">except</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">rest</span><span class="o">.</span><span class="n">ApiException</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
|
||||
<span class="nb">print</span><span class="p">(</span><span class="s2">"Got exception: </span><span class="si">%s</span><span class="se">\n</span><span class="s2"> while reading pods"</span><span class="p">,</span> <span class="n">e</span><span class="p">)</span>
|
||||
<span class="k">return</span>
|
||||
|
||||
<span class="k">if</span> <span class="ow">not</span> <span class="n">pod</span><span class="p">:</span>
|
||||
<span class="k">return</span>
|
||||
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">tail_log</span><span class="p">(</span><span class="n">pod</span><span class="o">.</span><span class="n">metadata</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">api_client</span><span class="p">)</span>
|
||||
|
||||
<span class="k">def</span> <span class="nf">tail_log</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">pod_name</span><span class="p">,</span> <span class="n">corev1_api</span><span class="p">):</span>
|
||||
<span class="k">while</span> <span class="kc">True</span><span class="p">:</span>
|
||||
<span class="n">time</span><span class="o">.</span><span class="n">sleep</span><span class="p">(</span><span class="mi">10</span><span class="p">)</span>
|
||||
<span class="c1"># Try to tail the pod logs</span>
|
||||
<span class="k">try</span><span class="p">:</span>
|
||||
<span class="k">for</span> <span class="n">line</span> <span class="ow">in</span> <span class="n">corev1_api</span><span class="o">.</span><span class="n">read_namespaced_pod_log</span><span class="p">(</span>
|
||||
<span class="n">pod_name</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">namespace</span><span class="p">,</span> <span class="n">follow</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span>
|
||||
<span class="n">_preload_content</span><span class="o">=</span><span class="kc">False</span>
|
||||
<span class="p">):</span>
|
||||
<span class="nb">print</span><span class="p">(</span><span class="n">line</span><span class="o">.</span><span class="n">decode</span><span class="p">(</span><span class="s1">'utf-8'</span><span class="p">),</span> <span class="n">flush</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">end</span><span class="o">=</span><span class="s1">''</span><span class="p">)</span>
|
||||
<span class="k">except</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">rest</span><span class="o">.</span><span class="n">ApiException</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
|
||||
<span class="k">pass</span>
|
||||
|
||||
<span class="c1"># This part will get executed if the pod is one of the following phases: not ready, failed or terminated.</span>
|
||||
<span class="c1"># Check if the pod has errored out, else just try again.</span>
|
||||
<span class="c1"># Get the pod</span>
|
||||
<span class="k">try</span><span class="p">:</span>
|
||||
<span class="n">pod</span> <span class="o">=</span> <span class="n">corev1_api</span><span class="o">.</span><span class="n">read_namespaced_pod</span><span class="p">(</span><span class="n">pod_name</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">namespace</span><span class="p">)</span>
|
||||
<span class="k">except</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">rest</span><span class="o">.</span><span class="n">ApiException</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
|
||||
<span class="k">continue</span>
|
||||
|
||||
<span class="k">if</span> <span class="ow">not</span> <span class="nb">hasattr</span><span class="p">(</span><span class="n">pod</span><span class="p">,</span> <span class="s1">'status'</span><span class="p">)</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">pod</span><span class="o">.</span><span class="n">status</span><span class="p">:</span>
|
||||
<span class="k">continue</span>
|
||||
<span class="k">if</span> <span class="ow">not</span> <span class="nb">hasattr</span><span class="p">(</span><span class="n">pod</span><span class="o">.</span><span class="n">status</span><span class="p">,</span> <span class="s1">'container_statuses'</span><span class="p">)</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">pod</span><span class="o">.</span><span class="n">status</span><span class="o">.</span><span class="n">container_statuses</span><span class="p">:</span>
|
||||
<span class="k">continue</span>
|
||||
|
||||
<span class="k">for</span> <span class="n">container_status</span> <span class="ow">in</span> <span class="n">pod</span><span class="o">.</span><span class="n">status</span><span class="o">.</span><span class="n">container_statuses</span><span class="p">:</span>
|
||||
<span class="k">if</span> <span class="n">container_status</span><span class="o">.</span><span class="n">state</span><span class="o">.</span><span class="n">waiting</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
|
||||
<span class="k">if</span> <span class="n">container_status</span><span class="o">.</span><span class="n">state</span><span class="o">.</span><span class="n">waiting</span><span class="o">.</span><span class="n">reason</span> <span class="o">==</span> <span class="s1">'Error'</span> <span class="ow">or</span> \
|
||||
<span class="n">container_status</span><span class="o">.</span><span class="n">state</span><span class="o">.</span><span class="n">waiting</span><span class="o">.</span><span class="n">reason</span> <span class="o">==</span> <span class="s1">'CrashLoopBackOff'</span> <span class="ow">or</span> \
|
||||
<span class="n">container_status</span><span class="o">.</span><span class="n">state</span><span class="o">.</span><span class="n">waiting</span><span class="o">.</span><span class="n">reason</span> <span class="o">==</span> <span class="s1">'ImagePullBackOff'</span> <span class="ow">or</span> \
|
||||
<span class="n">container_status</span><span class="o">.</span><span class="n">state</span><span class="o">.</span><span class="n">waiting</span><span class="o">.</span><span class="n">reason</span> <span class="o">==</span> <span class="s1">'ErrImagePull'</span><span class="p">:</span>
|
||||
<span class="k">return</span>
|
||||
<span class="k">if</span> <span class="n">container_status</span><span class="o">.</span><span class="n">state</span><span class="o">.</span><span class="n">terminated</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
|
||||
<span class="k">return</span>
|
||||
|
||||
<span class="k">def</span> <span class="nf">undeploy</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
||||
<span class="sd">"""</span>
|
||||
<span class="sd"> Undeploy all the components, such as trainer and rollout worker(s), Redis pub/sub and data store, when required.</span>
|
||||
<span class="sd"> """</span>
|
||||
|
||||
<span class="n">trainer_params</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">run_type_params</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">RunType</span><span class="o">.</span><span class="n">TRAINER</span><span class="p">),</span> <span class="kc">None</span><span class="p">)</span>
|
||||
<span class="n">api_client</span> <span class="o">=</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">BatchV1Api</span><span class="p">()</span>
|
||||
<span class="n">delete_options</span> <span class="o">=</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">V1DeleteOptions</span><span class="p">(</span>
|
||||
<span class="n">propagation_policy</span><span class="o">=</span><span class="s2">"Foreground"</span>
|
||||
<span class="p">)</span>
|
||||
|
||||
<span class="k">if</span> <span class="n">trainer_params</span><span class="p">:</span>
|
||||
<span class="k">try</span><span class="p">:</span>
|
||||
<span class="n">api_client</span><span class="o">.</span><span class="n">delete_namespaced_job</span><span class="p">(</span><span class="n">trainer_params</span><span class="o">.</span><span class="n">orchestration_params</span><span class="p">[</span><span class="s1">'job_name'</span><span class="p">],</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">namespace</span><span class="p">,</span> <span class="n">delete_options</span><span class="p">)</span>
|
||||
<span class="k">except</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">rest</span><span class="o">.</span><span class="n">ApiException</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
|
||||
<span class="nb">print</span><span class="p">(</span><span class="s2">"Got exception: </span><span class="si">%s</span><span class="se">\n</span><span class="s2"> while deleting trainer"</span><span class="p">,</span> <span class="n">e</span><span class="p">)</span>
|
||||
<span class="n">worker_params</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">run_type_params</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">RunType</span><span class="o">.</span><span class="n">ROLLOUT_WORKER</span><span class="p">),</span> <span class="kc">None</span><span class="p">)</span>
|
||||
<span class="k">if</span> <span class="n">worker_params</span><span class="p">:</span>
|
||||
<span class="k">try</span><span class="p">:</span>
|
||||
<span class="n">api_client</span><span class="o">.</span><span class="n">delete_namespaced_job</span><span class="p">(</span><span class="n">worker_params</span><span class="o">.</span><span class="n">orchestration_params</span><span class="p">[</span><span class="s1">'job_name'</span><span class="p">],</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">namespace</span><span class="p">,</span> <span class="n">delete_options</span><span class="p">)</span>
|
||||
<span class="k">except</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">rest</span><span class="o">.</span><span class="n">ApiException</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
|
||||
<span class="nb">print</span><span class="p">(</span><span class="s2">"Got exception: </span><span class="si">%s</span><span class="se">\n</span><span class="s2"> while deleting workers"</span><span class="p">,</span> <span class="n">e</span><span class="p">)</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">memory_backend</span><span class="o">.</span><span class="n">undeploy</span><span class="p">()</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">data_store</span><span class="o">.</span><span class="n">undeploy</span><span class="p">()</span></div>
|
||||
</pre></div>
|
||||
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<footer>
|
||||
|
||||
|
||||
<hr/>
|
||||
|
||||
<div role="contentinfo">
|
||||
<p>
|
||||
© Copyright 2018, Intel AI Lab
|
||||
|
||||
</p>
|
||||
</div>
|
||||
Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a <a href="https://github.com/rtfd/sphinx_rtd_theme">theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>.
|
||||
|
||||
</footer>
|
||||
|
||||
</div>
|
||||
</div>
|
||||
|
||||
</section>
|
||||
|
||||
</div>
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
<script type="text/javascript" id="documentation_options" data-url_root="../../../" src="../../../_static/documentation_options.js"></script>
|
||||
<script type="text/javascript" src="../../../_static/jquery.js"></script>
|
||||
<script type="text/javascript" src="../../../_static/underscore.js"></script>
|
||||
<script type="text/javascript" src="../../../_static/doctools.js"></script>
|
||||
<script async="async" type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script>
|
||||
|
||||
|
||||
|
||||
|
||||
<script type="text/javascript" src="../../../_static/js/theme.js"></script>
|
||||
|
||||
<script type="text/javascript">
|
||||
jQuery(function () {
|
||||
SphinxRtdTheme.Navigation.enable(true);
|
||||
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|
||||
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|
||||
|
||||
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|
||||
</html>
|
||||
Reference in New Issue
Block a user