...
"node":"node1234",
"agent-upgrade:{
.....coordination state....
}
},
]
Exchange APIs:
Create a new node group. The caller must have permission to modify all the nodes listed in the body (shown above). The Exchange will set this same object onto all the nodes listed in the body. The Exchange will return an error (409) if one of the nodes is already in an hagroup. If force=true is specified, the Exchange will set this membership onto all listed nodes and will remove listed nodes from any group they are already in.
...