how openstack remove offline host node by kolla-ansible - deployment

Question

I have an offline host node which includes (compute node, control node and storage node). This host node was shutdown by accident and can't recover to online. All services about that node are down and enable but I can't set to disable.
So I can't remove the host by:
kolla-ansible -i multinode stop --yes-i-really-really-mean-it --limit node-17
I get this error:
TASK [Gather facts] ********************************************************************************************************************************************************************************************************************
fatal: [node-17]: UNREACHABLE! => {"changed": false, "msg": "Failed to connect to the host via ssh: ssh: connect to host node-17 port 22: Connection timed out", "unreachable": true}
PLAY RECAP *****************************************************************************************************************************************************************************************************************************
node-17 : ok=0 changed=0 unreachable=1 failed=0 skipped=0 rescued=0 ignored=0
How can I remove that offline host node? THX.
PS: Why I remove that offline host?
node-14(online) : **manage node which kolla-ansible installed**; compute node, control node and storage node
node-15(online) : compute node, control node and storage node
node-17(offline) : compute node, control node and storage node
osc99 (adding) : compute node, control node and storage node
Because when I deploy a new host(osc99) with (the multinode file had comment the node-17 line):
kolla-ansible -i multinode deploy --limit osc99
kolla-ansible will report error:
TASK [keystone : include_tasks] ********************************************************************************************************************************************************************************************************
included: .../share/kolla-ansible/ansible/roles/keystone/tasks/init_fernet.yml for osc99
TASK [keystone : Waiting for Keystone SSH port to be UP] *******************************************************************************************************************************************************************************
ok: [osc99]
TASK [keystone : Initialise fernet key authentication] *********************************************************************************************************************************************************************************
ok: [osc99 -> node-14]
TASK [keystone : Run key distribution] *************************************************************************************************************************************************************************************************
fatal: [osc99 -> node-14]: FAILED! => {"changed": true, "cmd": ["docker", "exec", "-t", "keystone_fernet", "/usr/bin/fernet-push.sh"], "delta": "0:00:04.006900", "end": "2021-07-12 10:14:05.217609", "msg": "non-zero return code", "rc": 255, "start": "2021-07-12 10:14:01.210709", "stderr": "", "stderr_lines": [], "stdout": "Warning: Permanently added '[node.15]:8023' (ECDSA) to the list of known hosts.\r\r\nssh: connect to host node.17 port 8023: No route to host\r\r\nrsync: connection unexpectedly closed (0 bytes received so far) [sender]\r\nrsync error: unexplained error (code 255) at io.c(235) [sender=3.1.2]", "stdout_lines": ["Warning: Permanently added '[node.15]:8023' (ECDSA) to the list of known hosts.", "", "ssh: connect to host node.17 port 8023: No route to host", "", "rsync: connection unexpectedly closed (0 bytes received so far) [sender]", "rsync error: unexplained error (code 255) at io.c(235) [sender=3.1.2]"]}
NO MORE HOSTS LEFT *********************************************************************************************************************************************************************************************************************
PLAY RECAP *****************************************************************************************************************************************************************************************************************************
osc99 : ok=120 changed=55 unreachable=0 failed=1 skipped=31 rescued=0 ignored=1
How could I fixed this error, this is the main point whether or not I can remove the offline host.
Maybe I could fixed that by change the init_fernet.yml file:
node-14:~$ cat .../share/kolla-ansible/ansible/roles/keystone/tasks/init_fernet.yml
---
- name: Waiting for Keystone SSH port to be UP
wait_for:
host: "{{ api_interface_address }}"
port: "{{ keystone_ssh_port }}"
connect_timeout: 1
register: check_keystone_ssh_port
until: check_keystone_ssh_port is success
retries: 10
delay: 5
- name: Initialise fernet key authentication
become: true
command: "docker exec -t keystone_fernet kolla_keystone_bootstrap {{ keystone_username }} {{ keystone_groupname }}"
register: fernet_create
changed_when: fernet_create.stdout.find('localhost | SUCCESS => ') != -1 and (fernet_create.stdout.split('localhost | SUCCESS => ')[1]|from_json).changed
until: fernet_create.stdout.split()[2] == 'SUCCESS' or fernet_create.stdout.find('Key repository is already initialized') != -1
retries: 10
delay: 5
run_once: True
delegate_to: "{{ groups['keystone'][0] }}"
- name: Run key distribution
become: true
command: docker exec -t keystone_fernet /usr/bin/fernet-push.sh
run_once: True
delegate_to: "{{ groups['keystone'][0] }}"
by changing the delegate_to: "{{ groups['keystone'][0] }}? But I can't implement that.