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fatal: [node0]: FAILED! => {
    "assertion": "ip in ansible_all_ipv4_addresses",
    "changed": false,
    "evaluated_to": false,
    "failed": true
}

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cat inventory.ini
# ## Configure 'ip' variable to bind kubernetes services on a
# ## different ip than the default iface
# ## We should set etcd_member_name for etcd cluster. The node that is not a etcd member do not need to set the value, or can set the empty string value.
[all]
node0  ansible_host=139.168.12.4  ip=139.168.12.4
...

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---
- name: Calico | Get kubelet hostname
  shell: >-
    {{ bin_dir }}/kubectl get node -o custom-columns='NAME:.metadata.name,INTERNAL-IP:.status.addresses[?(@.type=="InternalIP")].address'
    | egrep "{{ ansible_all_ipv4_addresses | join('$|') }}$" | cut -d" " -f1    
  register: calico_kubelet_name
  delegate_to: "{{ groups['kube-master'][0] }}"
  when:
    - "cloud_provider is defined"

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kubectl get node -o custom-columns='NAME:.metadata.name,INTERNAL-IP:.status.addresses[?(@.type=="InternalIP")].address'
NAME    INTERNAL-IP
node0   192.168.12.4
...

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ip address

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 52:54:22:46:f4:c0 brd ff:ff:ff:ff:ff:ff
    inet 192.168.12.4/24 brd 192.168.12.255 scope global noprefixroute dynamic eth0
       valid_lft 81107sec preferred_lft 81107sec
    inet6 fe80::5054:22ff:fe46:f4c0/64 scope link
       valid_lft forever preferred_lft forever

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cat inventory.ini
# ## Configure 'ip' variable to bind kubernetes services on a
# ## different ip than the default iface
# ## We should set etcd_member_name for etcd cluster. The node that is not a etcd member do not need to set the value, or can set the empty string value.
[all]
node0  ansible_host=192.168.12.4  ip=192.168.12.4
...