Fix the issue when using with external ceph cluster, ceph exporter
secret isn't created which cause ceph-exporter fail to run. By
default this option is false means ceph-exporter will run for
external cluster.
monitoring
metricsDisabled: false
This patch also adds metricsDisabled option to helm values.yaml.
fixes#14275
Signed-off-by: Yaguang Tang <heut20008@gmail.com>
(cherry picked from commit 1563d32fbb)