General
Apply a playbook
ansible-playbook nichtparasoup.yml
Limit a playbook on tags
ansible-playbook userenv.yml --tag git
Limit a playbook on a host
ansible-playbook userenv.yaml --limit noc.example.com
Common Task Oneliners
Ansible can be very handy for those kind of things.
Execute a generic command.
ansible mongo-test -m command -a "ls /tmp"
Restart a service
ansible app-prod -m service -a 'name=nrpe state=restarted'
Fetch a file from remote hosts
ansible mongo-prod -m fetch -a 'src=/var/log/mongodb/mongodb-shardsrv.log dest=/tmp/'
Copy files on a remote location
ansible mongo-prod -m copy -a 'src=~/foo.txt dest=/root/foo.txt owner=root'
Execute a shell command
ansible app-prod -m shell -a 'sed -i "s#plugins/check_mem#plugins/check_mem -C#" /etc/nrpe.cfg'
Remove a user
ansible app-test -m user -a 'name=johnd state=absent remove=yes'
Delete a file
ansible -i hosts app-test -m file -a 'path=/tmp/trollololo state=absent'
Playbook Cheatsheet
Install a package
- name: Install java 11
ansible.builtin.package:
name: java-11-amazon-corretto
state: installed
Create a directory
- name: Create directory
ansible.builtin.file:
path: "/tmp/foo"
state: directory
mode: '0755'
Create a symlink
- name: Create a Java Home Symlink
ansible.builtin.file:
src: /usr/lib/jvm/java-11-amazon-corretto.x86_64
dest: /home/java
state: link
Create a file with content
- name: Configure .profile for user
copy:
dest: "/home/user/.profile"
mode: u=rwx,g=rx,o=rx
owner: user
content: |
export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin
alias select=_select
alias l='ls -lah'
source /etc/profile.d/*.sh
Loop. Mehrere Items erstellen mit einem Task
- name: Create mount point directories for shares
ansible.builtin.file:
path: "{{ item }}"
state: directory
mode: '0755'
with_items:
- /moo
- /foo
- /bar
Mount a volume (AWS EFS Volume, in this case)
- name: Mount /move
ansible.posix.mount:
path: /move
src: i8234u234:/
fstype: efs
opts: defaults,_netdev
state: present