Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Warning FailedScheduling <unknown> default-scheduler 0/3 nodes are available: 1 Insufficient memory, 3 node(s) didn't match node selector.
Warning FailedScheduling <unknown> default-scheduler 0/3 nodes are available: 1 Insufficient memory, 3 node(s) didn't match node selector.
此次原因：在prometheus-blackbox-exporter部署時，使用了nodeSelector,找不到對應label的node
解決方法：修改deploy中nodeSelector或者給node加上label