ansible-playbook将a服务器ssh key设置到b服务器

README.md

ansible-playbook将a服务器ssh key设置到b服务器

playbook.yml:

---
- hosts: a
  gather_facts: no
  tasks:
    - name: get ssh key
      slurp:
        src: .ssh/id_rsa.pub
      register: slurpfile

- hosts: b
  gather_facts: no
  tasks:
    - name: "Set authorized key took from file"
      authorized_key:
        user: user-name
        state: present
        key: "{{ hostvars['a']['slurpfile'].content | b64decode }}"

另外，在a服务器，~/.ssh/config:

Host *
IdentitiesOnly=yes
AddKeysToAgent yes
IgnoreUnknown UseKeychain
UseKeychain yes
IdentityFile ~/.ssh/id_rsa

host b
HostName 1.2.3.4
Port 1234
User user-name