+1 Using this in a couple of blueprints at the moment and would be really nice to have a concise method.
-- David Bush • Systems Integrator • Cloudsoft Corporation • http://www.cloudsoftcorp.com <http://www.cloudsoftcorp.com/> T: 07834 127195 • SKYPE: david.c.bush > On 6 May 2016, at 01:44, Mike Zaccardo <[email protected]> > wrote: > > Hi all, > > I've encountered the following task numerous times when authoring > `DynamicCluster` blueprints: write a sensor that returns a comma separated > list of values for each member of a cluster (e.g. the host address of each > member). > > This is currently how to achieve such a task: > > brooklyn.enrichers: > - type: org.apache.brooklyn.enricher.stock.Aggregator > brooklyn.config: > uniqueTag: member-address-aggregator > enricher.aggregator.excludeBlank: true > enricher.aggregating.fromMembers: true > enricher.sourceSensor: $brooklyn:sensor("member.host.address") > enricher.targetSensor: > $brooklyn:sensor("member.host.address.list") > > - type: org.apache.brooklyn.enricher.stock.Joiner > brooklyn.config: > uniqueTag: member-address-joiner > enricher.sourceSensor: > $brooklyn:sensor("member.host.address.list") > enricher.targetSensor: > $brooklyn:sensor("member.host.address.list.comma_separated") > minimum: $brooklyn:config("cluster.size") > separator: "," > quote: false > > And here[1] is a specific example in a real blueprint. > > That's pretty verbose for a commonly required task. Instead, it would be > nice to have something resembling the following: > > brooklyn.enrichers: > - type: org.apache.brooklyn.enricher.stock.ClusterListGenerator > brooklyn.config: > uniqueTag: member-address-list-generator > enricher.sourceSensor: $brooklyn:sensor("member.host.address") > enricher.targetSensor: > $brooklyn:sensor("member.host.address.list") > > Short and sweet! WDYT? > > -Mike > > [1] > https://github.com/cloudsoft/brooklyn-tendermint/blob/master/tendermint-mintnet.bom#L82
