metricbeat component fills up harddisk with YAML files

[olafmol]

it seems the VWA has a metricbeat component running that writes logs into YAML and doesn't purge or overwrites these, effectively filling up the entire disk

2017-04-04T15:56:27Z 49067699892c /usr/bin/confd[35214]: ERROR template: workflow.tmpl:1:39: executing "workflow.tmpl" at <
>: write /usr/local/vamp/.workflow.js262759216: no space left on device
2017-04-04T15:56:28Z 49067699892c /usr/bin/confd[35220]: ERROR template: metricbeat.tmpl:1:0: executing "metricbeat.tmpl" at <metricbeat.modules:
...>: write /usr/local/metricbeat/.metricbeat.yml451289729: no space left on device
2017-04-04T15:56:28Z 49067699892c /usr/bin/confd[35220]: ERROR template: workflow.tmpl:1:39: executing "workflow.tmpl" at <
>: write /usr/local/vamp/.workflow.js233966060: no space left on device
2017-04-04T15:56:29Z 49067699892c /usr/bin/confd[35226]: ERROR template: metricbeat.tmpl:1:0: executing "metricbeat.tmpl" at <metricbeat.modules:
...>: write /usr/local/metricbeat/.metricbeat.yml149955701: no space left on device
2017-04-04T15:56:29Z 49067699892c /usr/bin/confd[35226]: ERROR template: workflow.tmpl:1:39: executing "workflow.tmpl" at <
>: write /usr/local/vamp/.workflow.js916271440: no space left on device
2017/04/04 15:56:30.496026 run.go:52: Executing workflow by Node.js.
2017/04/04 15:56:30.496095 api.go:59: New execution:6432
Received killTask for task vamp_workflow-metrics.dcd4f703-1903-11e7-b180-70b3d5800001
2017-04-04T15:56:30Z 49067699892c /usr/bin/confd[35238]: ERROR template: metricbeat.tmpl:1:0: executing "metricbeat.tmpl" at <metricbeat.modules:
...>: write /usr/local/metricbeat/.metricbeat.yml323557750: no space left on device
2017/04/04 15:56:30.938559 run.go:124: WORKFLOW - API options: {"host":"http://10.20.0.100:8080","path":"/api/v1","headers":{"Accept":"application/json","Content-Type":"application/json"},"cache":true,"namespace":"vamp"}
2017/04/04 15:56:30.944607 run.go:124: WORKFLOW - API GET /gateways
2017/04/04 15:56:30.987889 run.go:124: WORKFLOW - HTTP REQUEST [0] {"protocol":"http:","port":"8080","hostname":"10.20.0.100","method":"GET","headers":{"Accept":"application/json","Content-Type":"application/json"},"path":"/api/v1/vamp/gateways?page=1"}
2017/04/04 15:56:37.496928 run.go:104: Workflow process is killed as timeout reached.
timeout: finish: confd: (pid 34396) 142s
ok: down: metricbeat: 0s, normally up
ok: down: vamp-workflow-agent: 1s, normally up