How can I enumerate all the host names in the inventory that match a
particular pattern? For example, I would like to grab all the supervisors
from this set. I want to use this list to configure something in a
configuration file.
My dynamic inventory would return something like like this:
{
"vagrant": [
"nimbus",
"supervisor1",
"supervisor2",
"zookeeper"
],
"_meta": {
"hostvars": {
"nimbus": {
"ansible_ssh_host": "192.168.54.4",
"ansible_ssh_user": "vagrant",
"ansible_ssh_private_key_file":
".vagrant/machines/nimbus/virtualbox/private_key"
},
"supervisor1": {
"ansible_ssh_host": "192.168.54.5",
"ansible_ssh_user": "vagrant",
"ansible_ssh_private_key_file":
".vagrant/machines/supervisor1/virtualbox/private_key"
},
"supervisor2": {
"ansible_ssh_host": "192.168.54.6",
"ansible_ssh_user": "vagrant",
"ansible_ssh_private_key_file":
".vagrant/machines/supervisor2/virtualbox/private_key"
},
"zookeeper": {
"ansible_ssh_host": "192.168.54.3",
"ansible_ssh_user": "vagrant",
"ansible_ssh_private_key_file":
".vagrant/machines/zookeeper/virtualbox/private_key"
}
}
}
}
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