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<div class="section" id="grpc-health-checking">
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<h1>gRPC Health Checking<a class="headerlink" href="#grpc-health-checking" title="Permalink to this headline">¶</a></h1>
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<div class="section" id="module-contents">
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<h2>Module Contents<a class="headerlink" href="#module-contents" title="Permalink to this headline">¶</a></h2>
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<dl class="py class">
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<dt id="grpc_health.v1.health.HealthServicer">
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<em class="property">class </em><code class="sig-prename descclassname">grpc_health.v1.health.</code><code class="sig-name descname">HealthServicer</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">experimental_non_blocking</span><span class="o">=</span><span class="default_value">True</span></em>, <em class="sig-param"><span class="n">experimental_thread_pool</span><span class="o">=</span><span class="default_value">None</span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc_health/v1/health.html#HealthServicer"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc_health.v1.health.HealthServicer" title="Permalink to this definition">¶</a></dt>
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<dd><p>Servicer handling RPCs for service statuses.</p>
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<dl class="py method">
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<dt id="grpc_health.v1.health.HealthServicer.Check">
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<code class="sig-name descname">Check</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">request</span></em>, <em class="sig-param"><span class="n">context</span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc_health/v1/health.html#HealthServicer.Check"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc_health.v1.health.HealthServicer.Check" title="Permalink to this definition">¶</a></dt>
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<dd><p>If the requested service is unknown, the call will fail with status
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NOT_FOUND.</p>
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</dd></dl>
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<dl class="py method">
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<dt id="grpc_health.v1.health.HealthServicer.Watch">
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<code class="sig-name descname">Watch</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">request</span></em>, <em class="sig-param"><span class="n">context</span></em>, <em class="sig-param"><span class="n">send_response_callback</span><span class="o">=</span><span class="default_value">None</span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc_health/v1/health.html#HealthServicer.Watch"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc_health.v1.health.HealthServicer.Watch" title="Permalink to this definition">¶</a></dt>
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<dd><p>Performs a watch for the serving status of the requested service.
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The server will immediately send back a message indicating the current
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serving status. It will then subsequently send a new message whenever
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the service’s serving status changes.</p>
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<p>If the requested service is unknown when the call is received, the
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server will send a message setting the serving status to
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SERVICE_UNKNOWN but will <em>not</em> terminate the call. If at some
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future point, the serving status of the service becomes known, the
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server will send a new message with the service’s serving status.</p>
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<p>If the call terminates with status UNIMPLEMENTED, then clients
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should assume this method is not supported and should not retry the
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call. If the call terminates with any other status (including OK),
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clients should retry the call with appropriate exponential backoff.</p>
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</dd></dl>
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<dl class="py method">
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<dt id="grpc_health.v1.health.HealthServicer.enter_graceful_shutdown">
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<code class="sig-name descname">enter_graceful_shutdown</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc_health/v1/health.html#HealthServicer.enter_graceful_shutdown"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc_health.v1.health.HealthServicer.enter_graceful_shutdown" title="Permalink to this definition">¶</a></dt>
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<dd><p>Permanently sets the status of all services to NOT_SERVING.</p>
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<p>This should be invoked when the server is entering a graceful shutdown
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period. After this method is invoked, future attempts to set the status
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of a service will be ignored.</p>
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<p>This is an EXPERIMENTAL API.</p>
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</dd></dl>
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<dl class="py method">
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<dt id="grpc_health.v1.health.HealthServicer.set">
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<code class="sig-name descname">set</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">service</span></em>, <em class="sig-param"><span class="n">status</span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc_health/v1/health.html#HealthServicer.set"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#grpc_health.v1.health.HealthServicer.set" title="Permalink to this definition">¶</a></dt>
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<dd><p>Sets the status of a service.</p>
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<dl class="field-list simple">
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<dt class="field-odd">Parameters</dt>
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<dd class="field-odd"><ul class="simple">
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<li><p><strong>service</strong> – string, the name of the service.</p></li>
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<li><p><strong>status</strong> – HealthCheckResponse.status enum value indicating the status of
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the service</p></li>
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</ul>
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</dd>
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</dl>
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</dd></dl>
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