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# standalone catalog file
brooklyn.catalog:
version: "1.0.0-M1" # BROOKLYN_VERSION
items:
- id: java-cluster-db-policy-example
itemType: template
name: Elastic Web + DB
description: Sample elastic Java cluster fronted by nginx with a MySQL backend, including a scaling policy
iconUrl: http://www.apache.org/foundation/press/kit/poweredBy/Apache_PoweredBy.png
item:
name: Elastic Web + DB
services:
- type: org.apache.brooklyn.entity.webapp.ControlledDynamicWebAppCluster
name: My Web with Policy
war:
http://repo1.maven.org/maven2/org/apache/brooklyn/example/brooklyn-example-hello-world-sql-webapp/0.9.0/brooklyn-example-hello-world-sql-webapp-0.9.0.war
java.sysprops:
brooklyn.example.db.url: $brooklyn:formatString("jdbc:%s%s?user=%s&password=%s",
component("db").attributeWhenReady("datastore.url"), "visitors", "brooklyn",
$brooklyn:external("brooklyn-demo-sample", "hidden-brooklyn-password"))
brooklyn.policies:
- type: org.apache.brooklyn.policy.autoscaling.AutoScalerPolicy
brooklyn.config:
metric: $brooklyn:sensor("org.apache.brooklyn.entity.webapp.DynamicWebAppCluster", "webapp.reqs.perSec.windowed.perNode")
metricLowerBound: 10
metricUpperBound: 100
minPoolSize: 1
maxPoolSize: 5
- type: org.apache.brooklyn.entity.database.mysql.MySqlNode
id: db
name: My DB
creationScriptUrl:
https://raw.githubusercontent.com/apache/brooklyn-library/master/examples/simple-web-cluster/src/main/resources/visitors-creation-script.sql
brooklyn.config:
creation.script.password: $brooklyn:external("brooklyn-demo-sample", "hidden-brooklyn-password")