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<h5 class="page-header text-uppercase">Documentation
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<h1 id="webhooks">Webhooks</h1>
<p>Aurora has an optional feature which allows operator to specify a file to configure a HTTP webhook
to receive task state change events. It can be enabled with a scheduler flag eg
<code>-webhook_config=/path/to/webhook.json</code>. At this point, webhooks are still considered <em>experimental</em>.</p>
<p>Below is a sample configuration:</p>
<pre class="highlight json"><code><span style="background-color: #f8f8f8">{</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"headers"</span><span style="background-color: #f8f8f8">:</span><span style="color: #bbbbbb"> </span><span style="background-color: #f8f8f8">{</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"Content-Type"</span><span style="background-color: #f8f8f8">:</span><span style="color: #bbbbbb"> </span><span style="color: #d14">"application/vnd.kafka.json.v1+json"</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"Producer-Type"</span><span style="background-color: #f8f8f8">:</span><span style="color: #bbbbbb"> </span><span style="color: #d14">"reliable"</span><span style="color: #bbbbbb">
</span><span style="background-color: #f8f8f8">},</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"targetURL"</span><span style="background-color: #f8f8f8">:</span><span style="color: #bbbbbb"> </span><span style="color: #d14">"http://localhost:5000/"</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"timeoutMsec"</span><span style="background-color: #f8f8f8">:</span><span style="color: #bbbbbb"> </span><span style="color: #009999">5</span><span style="color: #bbbbbb">
</span><span style="background-color: #f8f8f8">}</span><span style="color: #bbbbbb">
</span></code></pre>
<p>And an example of a response that you will get back:</p>
<pre class="highlight json"><code><span style="background-color: #f8f8f8">{</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"task"</span><span style="background-color: #f8f8f8">:</span><span style="color: #bbbbbb">
</span><span style="background-color: #f8f8f8">{</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"cachedHashCode"</span><span style="background-color: #f8f8f8">:</span><span style="color: #009999">0</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"assignedTask"</span><span style="background-color: #f8f8f8">:</span><span style="color: #bbbbbb"> </span><span style="background-color: #f8f8f8">{</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"cachedHashCode"</span><span style="background-color: #f8f8f8">:</span><span style="color: #009999">0</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"taskId"</span><span style="background-color: #f8f8f8">:</span><span style="color: #d14">"vagrant-test-http_example-8-a6cf7ec5-d793-49c7-b10f-0e14ab80bfff"</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"task"</span><span style="background-color: #f8f8f8">:</span><span style="color: #bbbbbb"> </span><span style="background-color: #f8f8f8">{</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"cachedHashCode"</span><span style="background-color: #f8f8f8">:</span><span style="color: #009999">-1819348376</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"job"</span><span style="background-color: #f8f8f8">:</span><span style="color: #bbbbbb"> </span><span style="background-color: #f8f8f8">{</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"cachedHashCode"</span><span style="background-color: #f8f8f8">:</span><span style="color: #009999">803049425</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"role"</span><span style="background-color: #f8f8f8">:</span><span style="color: #d14">"vagrant"</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"environment"</span><span style="background-color: #f8f8f8">:</span><span style="color: #d14">"test"</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"name"</span><span style="background-color: #f8f8f8">:</span><span style="color: #d14">"http_example"</span><span style="color: #bbbbbb">
</span><span style="background-color: #f8f8f8">},</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"owner"</span><span style="background-color: #f8f8f8">:</span><span style="color: #bbbbbb"> </span><span style="background-color: #f8f8f8">{</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"cachedHashCode"</span><span style="background-color: #f8f8f8">:</span><span style="color: #009999">226895216</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"user"</span><span style="background-color: #f8f8f8">:</span><span style="color: #d14">"vagrant"</span><span style="color: #bbbbbb">
</span><span style="background-color: #f8f8f8">},</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"isService"</span><span style="background-color: #f8f8f8">:</span><span style="color: #000000;font-weight: bold">true</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"numCpus"</span><span style="background-color: #f8f8f8">:</span><span style="color: #009999">0.1</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"ramMb"</span><span style="background-color: #f8f8f8">:</span><span style="color: #009999">16</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"diskMb"</span><span style="background-color: #f8f8f8">:</span><span style="color: #009999">8</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"priority"</span><span style="background-color: #f8f8f8">:</span><span style="color: #009999">0</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"maxTaskFailures"</span><span style="background-color: #f8f8f8">:</span><span style="color: #009999">1</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"production"</span><span style="background-color: #f8f8f8">:</span><span style="color: #000000;font-weight: bold">false</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"resources"</span><span style="background-color: #f8f8f8">:[</span><span style="color: #bbbbbb">
</span><span style="background-color: #f8f8f8">{</span><span style="color: #000080">"cachedHashCode"</span><span style="background-color: #f8f8f8">:</span><span style="color: #009999">729800451</span><span style="background-color: #f8f8f8">,</span><span style="color: #000080">"setField"</span><span style="background-color: #f8f8f8">:</span><span style="color: #d14">"NUM_CPUS"</span><span style="background-color: #f8f8f8">,</span><span style="color: #000080">"value"</span><span style="background-color: #f8f8f8">:</span><span style="color: #009999">0.1</span><span style="background-color: #f8f8f8">},</span><span style="color: #bbbbbb">
</span><span style="background-color: #f8f8f8">{</span><span style="color: #000080">"cachedHashCode"</span><span style="background-color: #f8f8f8">:</span><span style="color: #009999">552899914</span><span style="background-color: #f8f8f8">,</span><span style="color: #000080">"setField"</span><span style="background-color: #f8f8f8">:</span><span style="color: #d14">"RAM_MB"</span><span style="background-color: #f8f8f8">,</span><span style="color: #000080">"value"</span><span style="background-color: #f8f8f8">:</span><span style="color: #009999">16</span><span style="background-color: #f8f8f8">},</span><span style="color: #bbbbbb">
</span><span style="background-color: #f8f8f8">{</span><span style="color: #000080">"cachedHashCode"</span><span style="background-color: #f8f8f8">:</span><span style="color: #009999">-1547868317</span><span style="background-color: #f8f8f8">,</span><span style="color: #000080">"setField"</span><span style="background-color: #f8f8f8">:</span><span style="color: #d14">"DISK_MB"</span><span style="background-color: #f8f8f8">,</span><span style="color: #000080">"value"</span><span style="background-color: #f8f8f8">:</span><span style="color: #009999">8</span><span style="background-color: #f8f8f8">},</span><span style="color: #bbbbbb">
</span><span style="background-color: #f8f8f8">{</span><span style="color: #000080">"cachedHashCode"</span><span style="background-color: #f8f8f8">:</span><span style="color: #009999">1957328227</span><span style="background-color: #f8f8f8">,</span><span style="color: #000080">"setField"</span><span style="background-color: #f8f8f8">:</span><span style="color: #d14">"NAMED_PORT"</span><span style="background-color: #f8f8f8">,</span><span style="color: #000080">"value"</span><span style="background-color: #f8f8f8">:</span><span style="color: #d14">"http"</span><span style="background-color: #f8f8f8">},</span><span style="color: #bbbbbb">
</span><span style="background-color: #f8f8f8">{</span><span style="color: #000080">"cachedHashCode"</span><span style="background-color: #f8f8f8">:</span><span style="color: #009999">1954229436</span><span style="background-color: #f8f8f8">,</span><span style="color: #000080">"setField"</span><span style="background-color: #f8f8f8">:</span><span style="color: #d14">"NAMED_PORT"</span><span style="background-color: #f8f8f8">,</span><span style="color: #000080">"value"</span><span style="background-color: #f8f8f8">:</span><span style="color: #d14">"tcp"</span><span style="background-color: #f8f8f8">}</span><span style="color: #bbbbbb">
</span><span style="background-color: #f8f8f8">],</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"constraints"</span><span style="background-color: #f8f8f8">:[],</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"requestedPorts"</span><span style="background-color: #f8f8f8">:[</span><span style="color: #d14">"http"</span><span style="background-color: #f8f8f8">,</span><span style="color: #d14">"tcp"</span><span style="background-color: #f8f8f8">],</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"taskLinks"</span><span style="background-color: #f8f8f8">:{</span><span style="color: #000080">"http"</span><span style="background-color: #f8f8f8">:</span><span style="color: #d14">"http://%host%:%port:http%"</span><span style="background-color: #f8f8f8">},</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"contactEmail"</span><span style="background-color: #f8f8f8">:</span><span style="color: #d14">"vagrant@localhost"</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"executorConfig"</span><span style="background-color: #f8f8f8">:</span><span style="color: #bbbbbb"> </span><span style="background-color: #f8f8f8">{</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"cachedHashCode"</span><span style="background-color: #f8f8f8">:</span><span style="color: #009999">-1194797325</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"name"</span><span style="background-color: #f8f8f8">:</span><span style="color: #d14">"AuroraExecutor"</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"data"</span><span style="background-color: #f8f8f8">:</span><span style="color: #bbbbbb"> </span><span style="color: #d14">"{\"environment\": \"test\", \"health_check_config\": {\"initial_interval_secs\": 5.0, \"health_checker\": { \"http\": {\"expected_response_code\": 0, \"endpoint\": \"/health\", \"expected_response\": \"ok\"}}, \"max_consecutive_failures\": 0, \"timeout_secs\": 1.0, \"interval_secs\": 1.0}, \"name\": \"http_example\", \"service\": true, \"max_task_failures\": 1, \"cron_collision_policy\": \"KILL_EXISTING\", \"enable_hooks\": false, \"cluster\": \"devcluster\", \"task\": {\"processes\": [{\"daemon\": false, \"name\": \"echo_ports\", \"ephemeral\": false, \"max_failures\": 1, \"min_duration\": 5, \"cmdline\": \"echo \\\"tcp port: {{thermos.ports[tcp]}}; http port: {{thermos.ports[http]}}; alias: {{thermos.ports[alias]}}\\\"\", \"final\": false}, {\"daemon\": false, \"name\": \"stage_server\", \"ephemeral\": false, \"max_failures\": 1, \"min_duration\": 5, \"cmdline\": \"cp /vagrant/src/test/sh/org/apache/aurora/e2e/http_example.py .\", \"final\": false}, {\"daemon\": false, \"name\": \"run_server\", \"ephemeral\": false, \"max_failures\": 1, \"min_duration\": 5, \"cmdline\": \"python http_example.py {{thermos.ports[http]}}\", \"final\": false}], \"name\": \"http_example\", \"finalization_wait\": 30, \"max_failures\": 1, \"max_concurrency\": 0, \"resources\": {\"disk\": 8388608, \"ram\": 16777216, \"cpu\": 0.1}, \"constraints\": [{\"order\": [\"echo_ports\", \"stage_server\", \"run_server\"]}]}, \"production\": false, \"role\": \"vagrant\", \"contact\": \"vagrant@localhost\", \"announce\": {\"primary_port\": \"http\", \"portmap\": {\"alias\": \"http\"}}, \"lifecycle\": {\"http\": {\"graceful_shutdown_endpoint\": \"/quitquitquit\", \"port\": \"health\", \"shutdown_endpoint\": \"/abortabortabort\"}}, \"priority\": 0}"</span><span style="background-color: #f8f8f8">},</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"metadata"</span><span style="background-color: #f8f8f8">:[],</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"container"</span><span style="background-color: #f8f8f8">:{</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"cachedHashCode"</span><span style="background-color: #f8f8f8">:</span><span style="color: #009999">-1955376216</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"setField"</span><span style="background-color: #f8f8f8">:</span><span style="color: #d14">"MESOS"</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"value"</span><span style="background-color: #f8f8f8">:{</span><span style="color: #000080">"cachedHashCode"</span><span style="background-color: #f8f8f8">:</span><span style="color: #009999">31</span><span style="background-color: #f8f8f8">}}</span><span style="color: #bbbbbb">
</span><span style="background-color: #f8f8f8">},</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"assignedPorts"</span><span style="background-color: #f8f8f8">:{},</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"instanceId"</span><span style="background-color: #f8f8f8">:</span><span style="color: #009999">8</span><span style="color: #bbbbbb">
</span><span style="background-color: #f8f8f8">},</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"status"</span><span style="background-color: #f8f8f8">:</span><span style="color: #d14">"PENDING"</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"failureCount"</span><span style="background-color: #f8f8f8">:</span><span style="color: #009999">0</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"taskEvents"</span><span style="background-color: #f8f8f8">:[</span><span style="color: #bbbbbb">
</span><span style="background-color: #f8f8f8">{</span><span style="color: #000080">"cachedHashCode"</span><span style="background-color: #f8f8f8">:</span><span style="color: #009999">0</span><span style="background-color: #f8f8f8">,</span><span style="color: #000080">"timestamp"</span><span style="background-color: #f8f8f8">:</span><span style="color: #009999">1464992060258</span><span style="background-color: #f8f8f8">,</span><span style="color: #000080">"status"</span><span style="background-color: #f8f8f8">:</span><span style="color: #d14">"PENDING"</span><span style="background-color: #f8f8f8">,</span><span style="color: #000080">"scheduler"</span><span style="background-color: #f8f8f8">:</span><span style="color: #d14">"aurora"</span><span style="background-color: #f8f8f8">}]</span><span style="color: #bbbbbb">
</span><span style="background-color: #f8f8f8">},</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"oldState"</span><span style="background-color: #f8f8f8">:{}}</span><span style="color: #bbbbbb">
</span></code></pre>
<p>By default, the webhook watches all TaskStateChanges and sends events to configured endpoint. If you
are only interested in certain types of TaskStateChange (transition to <code>LOST</code> or <code>FAILED</code> statuses),
you can specify a whitelist of the desired task statuses in webhook.json. The webhook will only send
the corresponding events for the whitelisted statuses to the configured endpoint.</p>
<pre class="highlight json"><code><span style="background-color: #f8f8f8">{</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"headers"</span><span style="background-color: #f8f8f8">:</span><span style="color: #bbbbbb"> </span><span style="background-color: #f8f8f8">{</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"Content-Type"</span><span style="background-color: #f8f8f8">:</span><span style="color: #bbbbbb"> </span><span style="color: #d14">"application/vnd.kafka.json.v1+json"</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"Producer-Type"</span><span style="background-color: #f8f8f8">:</span><span style="color: #bbbbbb"> </span><span style="color: #d14">"reliable"</span><span style="color: #bbbbbb">
</span><span style="background-color: #f8f8f8">},</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"targetURL"</span><span style="background-color: #f8f8f8">:</span><span style="color: #bbbbbb"> </span><span style="color: #d14">"http://localhost:5000/"</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"timeoutMsec"</span><span style="background-color: #f8f8f8">:</span><span style="color: #bbbbbb"> </span><span style="color: #009999">50</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"statuses"</span><span style="background-color: #f8f8f8">:</span><span style="color: #bbbbbb"> </span><span style="background-color: #f8f8f8">[</span><span style="color: #d14">"LOST"</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb"> </span><span style="color: #d14">"FAILED"</span><span style="background-color: #f8f8f8">]</span><span style="color: #bbbbbb">
</span><span style="background-color: #f8f8f8">}</span><span style="color: #bbbbbb">
</span></code></pre>
<p>If you want to whitelist all TaskStateChanges, you can add a wildcard character <code>*</code> to your whitelist
like below, or simply leave out the <code>statuses</code> field in webhook.json.</p>
<pre class="highlight json"><code><span style="background-color: #f8f8f8">{</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"headers"</span><span style="background-color: #f8f8f8">:</span><span style="color: #bbbbbb"> </span><span style="background-color: #f8f8f8">{</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"Content-Type"</span><span style="background-color: #f8f8f8">:</span><span style="color: #bbbbbb"> </span><span style="color: #d14">"application/vnd.kafka.json.v1+json"</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"Producer-Type"</span><span style="background-color: #f8f8f8">:</span><span style="color: #bbbbbb"> </span><span style="color: #d14">"reliable"</span><span style="color: #bbbbbb">
</span><span style="background-color: #f8f8f8">},</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"targetURL"</span><span style="background-color: #f8f8f8">:</span><span style="color: #bbbbbb"> </span><span style="color: #d14">"http://localhost:5000/"</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"timeoutMsec"</span><span style="background-color: #f8f8f8">:</span><span style="color: #bbbbbb"> </span><span style="color: #009999">50</span><span style="background-color: #f8f8f8">,</span><span style="color: #bbbbbb">
</span><span style="color: #000080">"statuses"</span><span style="background-color: #f8f8f8">:</span><span style="color: #bbbbbb"> </span><span style="background-color: #f8f8f8">[</span><span style="color: #d14">"*"</span><span style="background-color: #f8f8f8">]</span><span style="color: #bbbbbb">
</span><span style="background-color: #f8f8f8">}</span><span style="color: #bbbbbb">
</span></code></pre>
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