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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
501
docs/_modules/rl_coach/data_stores/nfs_data_store.html
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<li>rl_coach.data_stores.nfs_data_store</li>
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<h1>Source code for rl_coach.data_stores.nfs_data_store</h1><div class="highlight"><pre>
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<span></span><span class="kn">import</span> <span class="nn">uuid</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">DataStore</span><span class="p">,</span> <span class="n">DataStoreParameters</span>
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<span class="k">class</span> <span class="nc">NFSDataStoreParameters</span><span class="p">(</span><span class="n">DataStoreParameters</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">ds_params</span><span class="p">,</span> <span class="n">deployed</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">server</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">path</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
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<span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">ds_params</span><span class="o">.</span><span class="n">store_type</span><span class="p">,</span> <span class="n">ds_params</span><span class="o">.</span><span class="n">orchestrator_type</span><span class="p">,</span> <span class="n">ds_params</span><span class="o">.</span><span class="n">orchestrator_params</span><span class="p">)</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="s2">"default"</span>
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<span class="k">if</span> <span class="s2">"namespace"</span> <span class="ow">in</span> <span class="n">ds_params</span><span class="o">.</span><span class="n">orchestrator_params</span><span class="p">:</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">ds_params</span><span class="o">.</span><span class="n">orchestrator_params</span><span class="p">[</span><span class="s2">"namespace"</span><span class="p">]</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="kc">None</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">pvc_name</span> <span class="o">=</span> <span class="kc">None</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">pv_name</span> <span class="o">=</span> <span class="kc">None</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">svc_name</span> <span class="o">=</span> <span class="kc">None</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">server</span> <span class="o">=</span> <span class="kc">None</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">path</span> <span class="o">=</span> <span class="s2">"/"</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">deployed</span> <span class="o">=</span> <span class="n">deployed</span>
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<span class="k">if</span> <span class="n">deployed</span><span class="p">:</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">server</span> <span class="o">=</span> <span class="n">server</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">path</span> <span class="o">=</span> <span class="n">path</span>
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<div class="viewcode-block" id="NFSDataStore"><a class="viewcode-back" href="../../../components/data_stores/index.html#rl_coach.data_stores.nfs_data_store.NFSDataStore">[docs]</a><span class="k">class</span> <span class="nc">NFSDataStore</span><span class="p">(</span><span class="n">DataStore</span><span class="p">):</span>
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<span class="sd">"""</span>
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<span class="sd"> An implementation of data store which uses NFS for storing policy checkpoints when using Coach in distributed mode.</span>
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<span class="sd"> The policy checkpoints are written by the trainer and read by the rollout worker.</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">NFSDataStoreParameters</span><span class="p">):</span>
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<span class="sd">"""</span>
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<span class="sd"> :param params: The parameters required to use the NFS data store.</span>
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<span class="sd"> """</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">def</span> <span class="nf">deploy</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>
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<span class="sd">"""</span>
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<span class="sd"> Deploy the NFS server in an orchestrator if/when required.</span>
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<span class="sd"> """</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">orchestrator_type</span> <span class="o">==</span> <span class="s2">"kubernetes"</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">deployed</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">deploy_k8s_nfs</span><span class="p">():</span>
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<span class="k">return</span> <span class="kc">False</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">create_k8s_nfs_resources</span><span class="p">():</span>
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<span class="k">return</span> <span class="kc">False</span>
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<span class="k">return</span> <span class="kc">True</span>
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<span class="k">def</span> <span class="nf">get_info</span><span class="p">(</span><span class="bp">self</span><span class="p">):</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>
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<span class="k">return</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">V1PersistentVolumeClaimVolumeSource</span><span class="p">(</span>
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<span class="n">claim_name</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">pvc_name</span>
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<span class="p">)</span>
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<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="o">-></span> <span class="nb">bool</span><span class="p">:</span>
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<span class="sd">"""</span>
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<span class="sd"> Undeploy the NFS server and resources from an orchestrator.</span>
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<span class="sd"> """</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">orchestrator_type</span> <span class="o">==</span> <span class="s2">"kubernetes"</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">deployed</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">undeploy_k8s_nfs</span><span class="p">():</span>
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<span class="k">return</span> <span class="kc">False</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">delete_k8s_nfs_resources</span><span class="p">():</span>
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<span class="k">return</span> <span class="kc">False</span>
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<span class="k">return</span> <span class="kc">True</span>
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<span class="k">def</span> <span class="nf">save_to_store</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
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<span class="k">pass</span>
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<span class="k">def</span> <span class="nf">load_from_store</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
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<span class="k">pass</span>
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<span class="k">def</span> <span class="nf">deploy_k8s_nfs</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>
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<span class="sd">"""</span>
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<span class="sd"> Deploy the NFS server in the Kubernetes orchestrator.</span>
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<span class="sd"> """</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>
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<span class="n">name</span> <span class="o">=</span> <span class="s2">"nfs-server-</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">uuid</span><span class="o">.</span><span class="n">uuid4</span><span class="p">())</span>
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<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>
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<span class="n">name</span><span class="o">=</span><span class="n">name</span><span class="p">,</span>
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<span class="n">image</span><span class="o">=</span><span class="s2">"k8s.gcr.io/volume-nfs:0.8"</span><span class="p">,</span>
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<span class="n">ports</span><span class="o">=</span><span class="p">[</span><span class="n">k8sclient</span><span class="o">.</span><span class="n">V1ContainerPort</span><span class="p">(</span>
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<span class="n">name</span><span class="o">=</span><span class="s2">"nfs"</span><span class="p">,</span>
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<span class="n">container_port</span><span class="o">=</span><span class="mi">2049</span><span class="p">,</span>
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<span class="n">protocol</span><span class="o">=</span><span class="s2">"TCP"</span>
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<span class="p">),</span>
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<span class="n">k8sclient</span><span class="o">.</span><span class="n">V1ContainerPort</span><span class="p">(</span>
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<span class="n">name</span><span class="o">=</span><span class="s2">"rpcbind"</span><span class="p">,</span>
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<span class="n">container_port</span><span class="o">=</span><span class="mi">111</span>
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<span class="p">),</span>
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<span class="n">k8sclient</span><span class="o">.</span><span class="n">V1ContainerPort</span><span class="p">(</span>
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<span class="n">name</span><span class="o">=</span><span class="s2">"mountd"</span><span class="p">,</span>
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<span class="n">container_port</span><span class="o">=</span><span class="mi">20048</span>
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<span class="p">),</span>
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<span class="p">],</span>
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<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>
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<span class="n">name</span><span class="o">=</span><span class="s1">'nfs-host-path'</span><span class="p">,</span>
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<span class="n">mount_path</span><span class="o">=</span><span class="s1">'/exports'</span>
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<span class="p">)],</span>
|
||||
<span class="n">security_context</span><span class="o">=</span><span class="n">k8sclient</span><span class="o">.</span><span class="n">V1SecurityContext</span><span class="p">(</span><span class="n">privileged</span><span class="o">=</span><span class="kc">True</span><span class="p">)</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-host-path"</span><span class="p">,</span>
|
||||
<span class="n">host_path</span><span class="o">=</span><span class="n">k8sclient</span><span class="o">.</span><span class="n">V1HostPathVolumeSource</span><span class="p">(</span><span class="n">path</span><span class="o">=</span><span class="s1">'/tmp/nfsexports-</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">uuid</span><span class="o">.</span><span class="n">uuid4</span><span class="p">()))</span>
|
||||
<span class="p">)]</span>
|
||||
<span class="p">)</span>
|
||||
<span class="p">)</span>
|
||||
<span class="n">deployment_spec</span> <span class="o">=</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">V1DeploymentSpec</span><span class="p">(</span>
|
||||
<span class="n">replicas</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">selector</span><span class="o">=</span><span class="n">k8sclient</span><span class="o">.</span><span class="n">V1LabelSelector</span><span class="p">(</span>
|
||||
<span class="n">match_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="p">)</span>
|
||||
<span class="p">)</span>
|
||||
|
||||
<span class="n">deployment</span> <span class="o">=</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">V1Deployment</span><span class="p">(</span>
|
||||
<span class="n">api_version</span><span class="o">=</span><span class="s1">'apps/v1'</span><span class="p">,</span>
|
||||
<span class="n">kind</span><span class="o">=</span><span class="s1">'Deployment'</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">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">deployment_spec</span>
|
||||
<span class="p">)</span>
|
||||
|
||||
<span class="n">k8s_apps_v1_api_client</span> <span class="o">=</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">AppsV1Api</span><span class="p">()</span>
|
||||
<span class="k">try</span><span class="p">:</span>
|
||||
<span class="n">k8s_apps_v1_api_client</span><span class="o">.</span><span class="n">create_namespaced_deployment</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">deployment</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">name</span> <span class="o">=</span> <span class="n">name</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 nfs-server"</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="n">k8s_core_v1_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">svc_name</span> <span class="o">=</span> <span class="s2">"nfs-service-</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">uuid</span><span class="o">.</span><span class="n">uuid4</span><span class="p">())</span>
|
||||
<span class="n">service</span> <span class="o">=</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">V1Service</span><span class="p">(</span>
|
||||
<span class="n">api_version</span><span class="o">=</span><span class="s1">'v1'</span><span class="p">,</span>
|
||||
<span class="n">kind</span><span class="o">=</span><span class="s1">'Service'</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">svc_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">V1ServiceSpec</span><span class="p">(</span>
|
||||
<span class="n">selector</span><span class="o">=</span><span class="p">{</span><span class="s1">'app'</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">name</span><span class="p">},</span>
|
||||
<span class="n">ports</span><span class="o">=</span><span class="p">[</span><span class="n">k8sclient</span><span class="o">.</span><span class="n">V1ServicePort</span><span class="p">(</span>
|
||||
<span class="n">protocol</span><span class="o">=</span><span class="s1">'TCP'</span><span class="p">,</span>
|
||||
<span class="n">port</span><span class="o">=</span><span class="mi">2049</span><span class="p">,</span>
|
||||
<span class="n">target_port</span><span class="o">=</span><span class="mi">2049</span>
|
||||
<span class="p">)]</span>
|
||||
<span class="p">)</span>
|
||||
<span class="p">)</span>
|
||||
|
||||
<span class="k">try</span><span class="p">:</span>
|
||||
<span class="n">svc_response</span> <span class="o">=</span> <span class="n">k8s_core_v1_api_client</span><span class="o">.</span><span class="n">create_namespaced_service</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">service</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">svc_name</span> <span class="o">=</span> <span class="n">svc_name</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">server</span> <span class="o">=</span> <span class="n">svc_response</span><span class="o">.</span><span class="n">spec</span><span class="o">.</span><span class="n">cluster_ip</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 a service for nfs-server"</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">return</span> <span class="kc">True</span>
|
||||
|
||||
<span class="k">def</span> <span class="nf">create_k8s_nfs_resources</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"> Create NFS resources such as PV and PVC in Kubernetes.</span>
|
||||
<span class="sd"> """</span>
|
||||
<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="n">pv_name</span> <span class="o">=</span> <span class="s2">"nfs-ckpt-pv-</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">uuid</span><span class="o">.</span><span class="n">uuid4</span><span class="p">())</span>
|
||||
<span class="n">persistent_volume</span> <span class="o">=</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">V1PersistentVolume</span><span class="p">(</span>
|
||||
<span class="n">api_version</span><span class="o">=</span><span class="s2">"v1"</span><span class="p">,</span>
|
||||
<span class="n">kind</span><span class="o">=</span><span class="s2">"PersistentVolume"</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">pv_name</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">pv_name</span><span class="p">}</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">V1PersistentVolumeSpec</span><span class="p">(</span>
|
||||
<span class="n">access_modes</span><span class="o">=</span><span class="p">[</span><span class="s2">"ReadWriteMany"</span><span class="p">],</span>
|
||||
<span class="n">nfs</span><span class="o">=</span><span class="n">k8sclient</span><span class="o">.</span><span class="n">V1NFSVolumeSource</span><span class="p">(</span>
|
||||
<span class="n">path</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">path</span><span class="p">,</span>
|
||||
<span class="n">server</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">server</span>
|
||||
<span class="p">),</span>
|
||||
<span class="n">capacity</span><span class="o">=</span><span class="p">{</span><span class="s1">'storage'</span><span class="p">:</span> <span class="s1">'10Gi'</span><span class="p">},</span>
|
||||
<span class="n">storage_class_name</span><span class="o">=</span><span class="s2">""</span>
|
||||
<span class="p">)</span>
|
||||
<span class="p">)</span>
|
||||
<span class="n">k8s_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="k">try</span><span class="p">:</span>
|
||||
<span class="n">k8s_api_client</span><span class="o">.</span><span class="n">create_persistent_volume</span><span class="p">(</span><span class="n">persistent_volume</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">pv_name</span> <span class="o">=</span> <span class="n">pv_name</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 the NFS PV"</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="n">pvc_name</span> <span class="o">=</span> <span class="s2">"nfs-ckpt-pvc-</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">uuid</span><span class="o">.</span><span class="n">uuid4</span><span class="p">())</span>
|
||||
<span class="n">persistent_volume_claim</span> <span class="o">=</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">V1PersistentVolumeClaim</span><span class="p">(</span>
|
||||
<span class="n">api_version</span><span class="o">=</span><span class="s2">"v1"</span><span class="p">,</span>
|
||||
<span class="n">kind</span><span class="o">=</span><span class="s2">"PersistentVolumeClaim"</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">pvc_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">V1PersistentVolumeClaimSpec</span><span class="p">(</span>
|
||||
<span class="n">access_modes</span><span class="o">=</span><span class="p">[</span><span class="s2">"ReadWriteMany"</span><span class="p">],</span>
|
||||
<span class="n">resources</span><span class="o">=</span><span class="n">k8sclient</span><span class="o">.</span><span class="n">V1ResourceRequirements</span><span class="p">(</span>
|
||||
<span class="n">requests</span><span class="o">=</span><span class="p">{</span><span class="s1">'storage'</span><span class="p">:</span> <span class="s1">'10Gi'</span><span class="p">}</span>
|
||||
<span class="p">),</span>
|
||||
<span class="n">selector</span><span class="o">=</span><span class="n">k8sclient</span><span class="o">.</span><span class="n">V1LabelSelector</span><span class="p">(</span>
|
||||
<span class="n">match_labels</span><span class="o">=</span><span class="p">{</span><span class="s1">'app'</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">pv_name</span><span class="p">}</span>
|
||||
<span class="p">),</span>
|
||||
<span class="n">storage_class_name</span><span class="o">=</span><span class="s2">""</span>
|
||||
<span class="p">)</span>
|
||||
<span class="p">)</span>
|
||||
|
||||
<span class="k">try</span><span class="p">:</span>
|
||||
<span class="n">k8s_api_client</span><span class="o">.</span><span class="n">create_namespaced_persistent_volume_claim</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">persistent_volume_claim</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">pvc_name</span> <span class="o">=</span> <span class="n">pvc_name</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 the NFS PVC"</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">return</span> <span class="kc">True</span>
|
||||
|
||||
<span class="k">def</span> <span class="nf">undeploy_k8s_nfs</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="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="n">del_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">k8s_apps_v1_api_client</span> <span class="o">=</span> <span class="n">k8sclient</span><span class="o">.</span><span class="n">AppsV1Api</span><span class="p">()</span>
|
||||
<span class="k">try</span><span class="p">:</span>
|
||||
<span class="n">k8s_apps_v1_api_client</span><span class="o">.</span><span class="n">delete_namespaced_deployment</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">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">del_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 nfs-server"</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="n">k8s_core_v1_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="k">try</span><span class="p">:</span>
|
||||
<span class="n">k8s_core_v1_api_client</span><span class="o">.</span><span class="n">delete_namespaced_service</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">svc_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">del_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 the service for nfs-server"</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">return</span> <span class="kc">True</span>
|
||||
|
||||
<span class="k">def</span> <span class="nf">delete_k8s_nfs_resources</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"> Delete NFS resources such as PV and PVC from the Kubernetes orchestrator.</span>
|
||||
<span class="sd"> """</span>
|
||||
<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="n">del_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">k8s_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="k">try</span><span class="p">:</span>
|
||||
<span class="n">k8s_api_client</span><span class="o">.</span><span class="n">delete_persistent_volume</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">pv_name</span><span class="p">,</span> <span class="n">del_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 NFS PV"</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">try</span><span class="p">:</span>
|
||||
<span class="n">k8s_api_client</span><span class="o">.</span><span class="n">delete_namespaced_persistent_volume_claim</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">pvc_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">del_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 NFS PVC"</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">return</span> <span class="kc">True</span></div>
|
||||
</pre></div>
|
||||
|
||||
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|
||||
|
||||
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|
||||
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|
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|
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|
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384
docs/_modules/rl_coach/data_stores/s3_data_store.html
Normal file
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Normal file
@@ -0,0 +1,384 @@
|
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<h1>Source code for rl_coach.data_stores.s3_data_store</h1><div class="highlight"><pre>
|
||||
<span></span><span class="kn">from</span> <span class="nn">rl_coach.data_stores.data_store</span> <span class="k">import</span> <span class="n">DataStore</span><span class="p">,</span> <span class="n">DataStoreParameters</span>
|
||||
<span class="kn">from</span> <span class="nn">minio</span> <span class="k">import</span> <span class="n">Minio</span>
|
||||
<span class="kn">from</span> <span class="nn">minio.error</span> <span class="k">import</span> <span class="n">ResponseError</span>
|
||||
<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>
|
||||
<span class="kn">from</span> <span class="nn">rl_coach.checkpoint</span> <span class="k">import</span> <span class="n">CheckpointStateFile</span>
|
||||
<span class="kn">from</span> <span class="nn">rl_coach.data_stores.data_store</span> <span class="k">import</span> <span class="n">SyncFiles</span>
|
||||
|
||||
<span class="kn">import</span> <span class="nn">os</span>
|
||||
<span class="kn">import</span> <span class="nn">time</span>
|
||||
<span class="kn">import</span> <span class="nn">io</span>
|
||||
|
||||
|
||||
<span class="k">class</span> <span class="nc">S3DataStoreParameters</span><span class="p">(</span><span class="n">DataStoreParameters</span><span class="p">):</span>
|
||||
<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">ds_params</span><span class="p">,</span> <span class="n">creds_file</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">end_point</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">bucket_name</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="kc">None</span><span class="p">,</span> <span class="n">expt_dir</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="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">ds_params</span><span class="o">.</span><span class="n">store_type</span><span class="p">,</span> <span class="n">ds_params</span><span class="o">.</span><span class="n">orchestrator_type</span><span class="p">,</span> <span class="n">ds_params</span><span class="o">.</span><span class="n">orchestrator_params</span><span class="p">)</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">creds_file</span> <span class="o">=</span> <span class="n">creds_file</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">end_point</span> <span class="o">=</span> <span class="n">end_point</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">bucket_name</span> <span class="o">=</span> <span class="n">bucket_name</span>
|
||||
<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>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">expt_dir</span> <span class="o">=</span> <span class="n">expt_dir</span>
|
||||
|
||||
|
||||
<div class="viewcode-block" id="S3DataStore"><a class="viewcode-back" href="../../../components/data_stores/index.html#rl_coach.data_stores.s3_data_store.S3DataStore">[docs]</a><span class="k">class</span> <span class="nc">S3DataStore</span><span class="p">(</span><span class="n">DataStore</span><span class="p">):</span>
|
||||
<span class="sd">"""</span>
|
||||
<span class="sd"> An implementation of the data store using S3 for storing policy checkpoints when using Coach in distributed mode.</span>
|
||||
<span class="sd"> The policy checkpoints are written by the trainer and read by the rollout worker.</span>
|
||||
<span class="sd"> """</span>
|
||||
|
||||
<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">params</span><span class="p">:</span> <span class="n">S3DataStoreParameters</span><span class="p">):</span>
|
||||
<span class="sd">"""</span>
|
||||
<span class="sd"> :param params: The parameters required to use the S3 data store.</span>
|
||||
<span class="sd"> """</span>
|
||||
|
||||
<span class="nb">super</span><span class="p">(</span><span class="n">S3DataStore</span><span class="p">,</span> <span class="bp">self</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>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">params</span> <span class="o">=</span> <span class="n">params</span>
|
||||
<span class="n">access_key</span> <span class="o">=</span> <span class="kc">None</span>
|
||||
<span class="n">secret_key</span> <span class="o">=</span> <span class="kc">None</span>
|
||||
<span class="k">if</span> <span class="n">params</span><span class="o">.</span><span class="n">creds_file</span><span class="p">:</span>
|
||||
<span class="n">config</span> <span class="o">=</span> <span class="n">ConfigParser</span><span class="p">()</span>
|
||||
<span class="n">config</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="n">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="n">access_key</span> <span class="o">=</span> <span class="n">config</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="n">secret_key</span> <span class="o">=</span> <span class="n">config</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="n">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="n">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="bp">self</span><span class="o">.</span><span class="n">mc</span> <span class="o">=</span> <span class="n">Minio</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">end_point</span><span class="p">,</span> <span class="n">access_key</span><span class="o">=</span><span class="n">access_key</span><span class="p">,</span> <span class="n">secret_key</span><span class="o">=</span><span class="n">secret_key</span><span class="p">)</span>
|
||||
|
||||
<span class="k">def</span> <span class="nf">deploy</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="k">return</span> <span class="kc">True</span>
|
||||
|
||||
<span class="k">def</span> <span class="nf">get_info</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
||||
<span class="k">return</span> <span class="s2">"s3://</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="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">bucket_name</span><span class="p">)</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="o">-></span> <span class="nb">bool</span><span class="p">:</span>
|
||||
<span class="k">return</span> <span class="kc">True</span>
|
||||
|
||||
<span class="k">def</span> <span class="nf">save_to_store</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
||||
<span class="sd">"""</span>
|
||||
<span class="sd"> save_to_store() uploads the policy checkpoint, gifs and videos to the S3 data store. It reads the checkpoint state files and</span>
|
||||
<span class="sd"> uploads only the latest checkpoint files to S3. It is used by the trainer in Coach when used in the distributed mode.</span>
|
||||
<span class="sd"> """</span>
|
||||
<span class="k">try</span><span class="p">:</span>
|
||||
<span class="c1"># remove lock file if it exists</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">mc</span><span class="o">.</span><span class="n">remove_object</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">bucket_name</span><span class="p">,</span> <span class="n">SyncFiles</span><span class="o">.</span><span class="n">LOCKFILE</span><span class="o">.</span><span class="n">value</span><span class="p">)</span>
|
||||
|
||||
<span class="c1"># Acquire lock</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">mc</span><span class="o">.</span><span class="n">put_object</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">bucket_name</span><span class="p">,</span> <span class="n">SyncFiles</span><span class="o">.</span><span class="n">LOCKFILE</span><span class="o">.</span><span class="n">value</span><span class="p">,</span> <span class="n">io</span><span class="o">.</span><span class="n">BytesIO</span><span class="p">(</span><span class="sa">b</span><span class="s1">''</span><span class="p">),</span> <span class="mi">0</span><span class="p">)</span>
|
||||
|
||||
<span class="n">state_file</span> <span class="o">=</span> <span class="n">CheckpointStateFile</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">abspath</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">checkpoint_dir</span><span class="p">))</span>
|
||||
<span class="k">if</span> <span class="n">state_file</span><span class="o">.</span><span class="n">exists</span><span class="p">():</span>
|
||||
<span class="n">ckpt_state</span> <span class="o">=</span> <span class="n">state_file</span><span class="o">.</span><span class="n">read</span><span class="p">()</span>
|
||||
<span class="n">checkpoint_file</span> <span class="o">=</span> <span class="kc">None</span>
|
||||
<span class="k">for</span> <span class="n">root</span><span class="p">,</span> <span class="n">dirs</span><span class="p">,</span> <span class="n">files</span> <span class="ow">in</span> <span class="n">os</span><span class="o">.</span><span class="n">walk</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">checkpoint_dir</span><span class="p">):</span>
|
||||
<span class="k">for</span> <span class="n">filename</span> <span class="ow">in</span> <span class="n">files</span><span class="p">:</span>
|
||||
<span class="k">if</span> <span class="n">filename</span> <span class="o">==</span> <span class="n">CheckpointStateFile</span><span class="o">.</span><span class="n">checkpoint_state_filename</span><span class="p">:</span>
|
||||
<span class="n">checkpoint_file</span> <span class="o">=</span> <span class="p">(</span><span class="n">root</span><span class="p">,</span> <span class="n">filename</span><span class="p">)</span>
|
||||
<span class="k">continue</span>
|
||||
<span class="k">if</span> <span class="n">filename</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="n">ckpt_state</span><span class="o">.</span><span class="n">name</span><span class="p">):</span>
|
||||
<span class="n">abs_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">abspath</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">root</span><span class="p">,</span> <span class="n">filename</span><span class="p">))</span>
|
||||
<span class="n">rel_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">relpath</span><span class="p">(</span><span class="n">abs_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">checkpoint_dir</span><span class="p">)</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">mc</span><span class="o">.</span><span class="n">fput_object</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">bucket_name</span><span class="p">,</span> <span class="n">rel_name</span><span class="p">,</span> <span class="n">abs_name</span><span class="p">)</span>
|
||||
|
||||
<span class="n">abs_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">abspath</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">checkpoint_file</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">checkpoint_file</span><span class="p">[</span><span class="mi">1</span><span class="p">]))</span>
|
||||
<span class="n">rel_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">relpath</span><span class="p">(</span><span class="n">abs_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">checkpoint_dir</span><span class="p">)</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">mc</span><span class="o">.</span><span class="n">fput_object</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">bucket_name</span><span class="p">,</span> <span class="n">rel_name</span><span class="p">,</span> <span class="n">abs_name</span><span class="p">)</span>
|
||||
|
||||
<span class="c1"># release lock</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">mc</span><span class="o">.</span><span class="n">remove_object</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">bucket_name</span><span class="p">,</span> <span class="n">SyncFiles</span><span class="o">.</span><span class="n">LOCKFILE</span><span class="o">.</span><span class="n">value</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">expt_dir</span> <span class="ow">and</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="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">expt_dir</span><span class="p">):</span>
|
||||
<span class="k">for</span> <span class="n">filename</span> <span class="ow">in</span> <span class="n">os</span><span class="o">.</span><span class="n">listdir</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">expt_dir</span><span class="p">):</span>
|
||||
<span class="k">if</span> <span class="n">filename</span><span class="o">.</span><span class="n">endswith</span><span class="p">((</span><span class="s2">".csv"</span><span class="p">,</span> <span class="s2">".json"</span><span class="p">)):</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">mc</span><span class="o">.</span><span class="n">fput_object</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">bucket_name</span><span class="p">,</span> <span class="n">filename</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="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">expt_dir</span><span class="p">,</span> <span class="n">filename</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">expt_dir</span> <span class="ow">and</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">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="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">expt_dir</span><span class="p">,</span> <span class="s1">'videos'</span><span class="p">)):</span>
|
||||
<span class="k">for</span> <span class="n">filename</span> <span class="ow">in</span> <span class="n">os</span><span class="o">.</span><span class="n">listdir</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="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">expt_dir</span><span class="p">,</span> <span class="s1">'videos'</span><span class="p">)):</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">mc</span><span class="o">.</span><span class="n">fput_object</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">bucket_name</span><span class="p">,</span> <span class="n">filename</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="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">expt_dir</span><span class="p">,</span> <span class="s1">'videos'</span><span class="p">,</span> <span class="n">filename</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">expt_dir</span> <span class="ow">and</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">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="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">expt_dir</span><span class="p">,</span> <span class="s1">'gifs'</span><span class="p">)):</span>
|
||||
<span class="k">for</span> <span class="n">filename</span> <span class="ow">in</span> <span class="n">os</span><span class="o">.</span><span class="n">listdir</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="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">expt_dir</span><span class="p">,</span> <span class="s1">'gifs'</span><span class="p">)):</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">mc</span><span class="o">.</span><span class="n">fput_object</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">bucket_name</span><span class="p">,</span> <span class="n">filename</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="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">expt_dir</span><span class="p">,</span> <span class="s1">'gifs'</span><span class="p">,</span> <span class="n">filename</span><span class="p">))</span>
|
||||
<span class="k">except</span> <span class="n">ResponseError</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 saving to S3"</span><span class="p">,</span> <span class="n">e</span><span class="p">)</span>
|
||||
|
||||
<span class="k">def</span> <span class="nf">load_from_store</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
||||
<span class="sd">"""</span>
|
||||
<span class="sd"> load_from_store() downloads a new checkpoint from the S3 data store when it is not available locally. It is used</span>
|
||||
<span class="sd"> by the rollout workers when using Coach in distributed mode.</span>
|
||||
<span class="sd"> """</span>
|
||||
<span class="k">try</span><span class="p">:</span>
|
||||
<span class="n">state_file</span> <span class="o">=</span> <span class="n">CheckpointStateFile</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">abspath</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">checkpoint_dir</span><span class="p">))</span>
|
||||
|
||||
<span class="c1"># wait until lock is removed</span>
|
||||
<span class="k">while</span> <span class="kc">True</span><span class="p">:</span>
|
||||
<span class="n">objects</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">mc</span><span class="o">.</span><span class="n">list_objects_v2</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">bucket_name</span><span class="p">,</span> <span class="n">SyncFiles</span><span class="o">.</span><span class="n">LOCKFILE</span><span class="o">.</span><span class="n">value</span><span class="p">)</span>
|
||||
|
||||
<span class="k">if</span> <span class="nb">next</span><span class="p">(</span><span class="n">objects</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
|
||||
<span class="k">try</span><span class="p">:</span>
|
||||
<span class="c1"># fetch checkpoint state file from S3</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">mc</span><span class="o">.</span><span class="n">fget_object</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">bucket_name</span><span class="p">,</span> <span class="n">state_file</span><span class="o">.</span><span class="n">filename</span><span class="p">,</span> <span class="n">state_file</span><span class="o">.</span><span class="n">path</span><span class="p">)</span>
|
||||
<span class="k">except</span> <span class="ne">Exception</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
|
||||
<span class="k">continue</span>
|
||||
<span class="k">break</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"># Check if there's a finished file</span>
|
||||
<span class="n">objects</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">mc</span><span class="o">.</span><span class="n">list_objects_v2</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">bucket_name</span><span class="p">,</span> <span class="n">SyncFiles</span><span class="o">.</span><span class="n">FINISHED</span><span class="o">.</span><span class="n">value</span><span class="p">)</span>
|
||||
|
||||
<span class="k">if</span> <span class="nb">next</span><span class="p">(</span><span class="n">objects</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</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">mc</span><span class="o">.</span><span class="n">fget_object</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">bucket_name</span><span class="p">,</span> <span class="n">SyncFiles</span><span class="o">.</span><span class="n">FINISHED</span><span class="o">.</span><span class="n">value</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">abspath</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="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">checkpoint_dir</span><span class="p">,</span> <span class="n">SyncFiles</span><span class="o">.</span><span class="n">FINISHED</span><span class="o">.</span><span class="n">value</span><span class="p">))</span>
|
||||
<span class="p">)</span>
|
||||
<span class="k">except</span> <span class="ne">Exception</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
|
||||
<span class="k">pass</span>
|
||||
|
||||
<span class="n">checkpoint_state</span> <span class="o">=</span> <span class="n">state_file</span><span class="o">.</span><span class="n">read</span><span class="p">()</span>
|
||||
<span class="k">if</span> <span class="n">checkpoint_state</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
|
||||
<span class="n">objects</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">mc</span><span class="o">.</span><span class="n">list_objects_v2</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">bucket_name</span><span class="p">,</span> <span class="n">prefix</span><span class="o">=</span><span class="n">checkpoint_state</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">recursive</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
|
||||
<span class="k">for</span> <span class="n">obj</span> <span class="ow">in</span> <span class="n">objects</span><span class="p">:</span>
|
||||
<span class="n">filename</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">abspath</span><span class="p">(</span><span class="n">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="bp">self</span><span class="o">.</span><span class="n">params</span><span class="o">.</span><span class="n">checkpoint_dir</span><span class="p">,</span> <span class="n">obj</span><span class="o">.</span><span class="n">object_name</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">filename</span><span class="p">):</span>
|
||||
<span class="bp">self</span><span class="o">.</span><span class="n">mc</span><span class="o">.</span><span class="n">fget_object</span><span class="p">(</span><span class="n">obj</span><span class="o">.</span><span class="n">bucket_name</span><span class="p">,</span> <span class="n">obj</span><span class="o">.</span><span class="n">object_name</span><span class="p">,</span> <span class="n">filename</span><span class="p">)</span>
|
||||
|
||||
<span class="k">except</span> <span class="n">ResponseError</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 loading from S3"</span><span class="p">,</span> <span class="n">e</span><span class="p">)</span></div>
|
||||
</pre></div>
|
||||
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<footer>
|
||||
|
||||
|
||||
<hr/>
|
||||
|
||||
<div role="contentinfo">
|
||||
<p>
|
||||
© Copyright 2018, Intel AI Lab
|
||||
|
||||
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|
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|
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||||
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|
||||
|
||||
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|
||||
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|
||||
|
||||
</section>
|
||||
|
||||
</div>
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
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||||
Reference in New Issue
Block a user