Created
December 9, 2015 22:03
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Sets up a backup user with passwordless sudo. Sets up key-based ssh authentication automatically.
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- name: Set up backup user to be used by Ansible | |
hosts: all | |
remote_user: <an existing user> | |
roles: | |
- yaegashi.blockinfile | |
tasks: | |
- name: Generate a unique key for this host | |
local_action: command /usr/bin/ssh-keygen -b 2048 -t rsa -f /etc/ansible/sshkeys/{{ inventory_hostname }} -q -N "" | |
become: no | |
- name: Create /backup/.ssh recursively | |
file: path=/backup/.ssh state=directory owner=backup group=backup mode=0700 recurse=yes | |
- name: Change backup user home to /backup and shell to bash | |
user: name=backup | |
home=/backup | |
shell=/bin/bash | |
- name: Add public key to backup user | |
authorized_key: user=backup | |
key="{{ lookup('file', '/etc/ansible/sshkeys/'+inventory_hostname+'.pub') }}" | |
state=present | |
- name: Set up passwordless sudo for backup user | |
lineinfile: "dest=/etc/sudoers | |
regexp='^backup ALL' | |
line='backup ALL=(ALL:ALL) NOPASSWD: ALL' | |
state=present | |
insertafter=EOF" | |
- name: Disallow password login for SSH for backup user | |
blockinfile: | |
dest: /etc/ssh/sshd_config | |
block: | | |
Match User backup | |
PasswordAuthentication no | |
notify: | |
- restart ssh | |
handlers: | |
- name: restart ssh | |
service: name=ssh state=restarted |
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