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https://issues.apache.org/jira/browse/BROOKLYN-330?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15988613#comment-15988613
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ASF GitHub Bot commented on BROOKLYN-330:
-----------------------------------------
Github user asfgit closed the pull request at:
https://github.com/apache/brooklyn-server/pull/658
> Can't use YAML dsl expressions for config of HttpRequestSensor inside
> brooklyn.initializers
> -------------------------------------------------------------------------------------------
>
> Key: BROOKLYN-330
> URL: https://issues.apache.org/jira/browse/BROOKLYN-330
> Project: Brooklyn
> Issue Type: Bug
> Reporter: Aled Sage
> Fix For: 0.11.0
>
>
> With 0.10.0-SNAPSHOT...
> It seems that, when using {{HttpRequestSensor}} inside a
> {{brooklyn.initializers}}, it does not resolve the config.
> For example, if I use {{$brooklyn:config(...)}} to set URI of the
> HttpRequestSensor, then it fails with the error:
> {noformat}
> Failed to create instance of class
> org.apache.brooklyn.core.sensor.http.HttpRequestSensor: Cannot coerce type
> org.apache.brooklyn.camp.brooklyn.spi.dsl.methods.DslComponent.DslConfigSupplier
> to java.lang.String (config("server.username")): no adapter known
> {noformat}
> I have reproduced that in the simple test case below (which I'll add to
> {{HttpRequestSensorYamlTest}}):
> {noformat}
> @Test(groups="Broken")
> public void testHttpSensorWithDeferredSuppliers() throws Exception {
> Entity app = createAndStartApplication(
> "services:",
> "- type: " + TestEntity.class.getName(),
> " brooklyn.config:",
> " server.username: myusername",
> " server.password: mypassword",
> " brooklyn.initializers:",
> " - type: "+HttpRequestSensor.class.getName(),
> " brooklyn.config:",
> " "+HttpRequestSensor.SENSOR_PERIOD.getName()+": 100ms",
> " "+HttpRequestSensor.SENSOR_NAME.getName()+": " +
> SENSOR_STRING.getName(),
> " "+HttpRequestSensor.SENSOR_TYPE.getName()+": " +
> TARGET_TYPE,
> " "+HttpRequestSensor.JSON_PATH.getName()+": " + "$.myKey",
> " "+HttpRequestSensor.USERNAME.getName()+":
> $brooklyn:config(\"server.username\")",
> " "+HttpRequestSensor.PASSWORD.getName()+":
> $brooklyn:config(\"server.password\")",
> " "+HttpRequestSensor.SENSOR_URI.getName()+":",
> " $brooklyn:formatString:",
> " - \"%s/myKey/myValue\"",
> " - $brooklyn:attributeWhenReady(\"main.uri\")");
> waitForApplicationTasks(app);
> Entity entity = Iterables.getOnlyElement(app.getChildren());
> entity.sensors().set(Attributes.MAIN_URI, URI.create(serverUrl));
> entity.sensors().set(Attributes.SERVICE_UP, true);
> EntityAsserts.assertAttributeEqualsEventually(entity, SENSOR_STRING,
> "myValue");
> }
> {noformat}
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