$ juju status-history zeppelin/0
TIME                    TYPE            STATUS          MESSAGE                               
09 Jun 2016 15:35:10Z   juju-unit       executing       running hadoop-relation-joined hook   
09 Jun 2016 15:35:11Z   workload        waiting         waiting for hadoop                    
09 Jun 2016 15:35:11Z   workload        waiting         Waiting for Plugin to become ready    
09 Jun 2016 15:35:12Z   juju-unit       executing       running hadoop-relation-changed hook  
09 Jun 2016 15:35:15Z   workload        maintenance     installing zeppelin                   
09 Jun 2016 15:39:56Z   juju-unit       error           hook failed: "hadoop-relation-changed"
09 Jun 2016 15:40:52Z   juju-unit       executing       running hadoop-relation-changed hook  
09 Jun 2016 15:40:55Z   workload        maintenance     installing zeppelin                   
09 Jun 2016 15:41:29Z   workload        active          ready                                 
09 Jun 2016 15:41:32Z   juju-unit       idle                                                  
09 Jun 2016 16:07:50Z                   idle            last 2 statuses repeated 4 times