os1 ansible_host=10.0.1.1  ansible_user=root ip=10.0.1.1 roles=data,master
os2 ansible_host=10.0.1.2  ansible_user=root ip=10.0.1.2 roles=data,master
os3 ansible_host=10.0.1.3  ansible_user=root ip=10.0.1.3 roles=data,master
os4 ansible_host=10.0.1.4  ansible_user=root ip=10.0.1.4 roles=data,ingest
os5 ansible_host=10.0.1.5  ansible_user=root ip=10.0.1.5 roles=data,ingest

dashboards1 ansible_host=10.0.1.6  ansible_user=root ip=10.0.1.6

# List all the nodes in the os cluster
[os-cluster]
os1
os2
os3
os4
os5

# List all the Master eligible nodes under this group
[master]
os1
os2
os3

[dashboards]
dashboards1