cnapi.poll_task_ensure_image
FROM
_assert (/usr/img/node_modules/assert-plus/assert.js:45:31)
Object.module.exports.(anonymous function) [as optionalString] (/usr/img/node_modules/assert-plus/assert.js:226:27)
Object.extract [as func] (/usr/img/lib/imgadm.js:2116:20)
Object._onImmediate (/usr/img/node_modules/vasync/lib/vasync.js:213:20)
processImmediate [as _immediateCallback] (timers.js:330:15)