Ansible Operations: Difference between revisions

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  ... --ask-pass --ssh-extra-args='-o "PubkeyAuthentication=no"' ...
  ... --ask-pass --ssh-extra-args='-o "PubkeyAuthentication=no"' ...
==SSH Host Key Authenticity Checking==

Revision as of 07:49, 12 December 2019

Internal

Command Line Options

-b

"Become" another user when running the command.

--become-user=<username>

-m

Defines the module to run.

-a

Pass arguments to the module.

Ping all Hosts from a Group

This will also list the hosts from that group.

ansible all -m ping

Execute a Shell Command on all Hosts in Some Groups

ansible masters,nodes -m shell -a "systemctl status docker | grep Active"

Copy Files

ansible <my-servers> -m copy -a "src=/root/ipa-ca.crt dest=/etc/origin/master"

ansible-playbook

ansible-playbook

Provide In-Line Prompt Confirmation

ansible-playbook ... -e reset_confirmation=yes

where "reset_confirmation" is defined in playbook:

- hosts: etcd:k8s-cluster:calico-rr

  pre_tasks:
    - name: check confirmation
      fail:
        msg: "Reset confirmation failed"
      when: reset_confirmation != "yes"

SSH Configuration

... --ask-pass --ssh-extra-args='-o "PubkeyAuthentication=no"' ...

SSH Host Key Authenticity Checking