GetMOCluster get mo cluster from process level runtime.

NewMOCluster create a MOCluter by HAKeeperClient.

NewSelectAll will return all CN services.

NewSelector return a default selector, this empty selector will select all instances.

NewServiceIDSelector.

WithDisableRefresh disable refresh from hakeeper.

WithServices set init cn and tn services.

Contain means the requested labels are contained in the CN labels.

EQ ==.

EQ_Globbing means the labels are equal, also support globbing(*) to match key/value from request.

Selector is used to choose a service from MOCluster.

MOCluster is used to get the meta and status information of the MO cluster.

Op compare op.

Option options for create cluster.