Ansible Operations: Difference between revisions
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(Created page with "=Internal= * Ansible =Execute a Shell Command on all Hosts in Some Groups= <pre> ansible masters,nodes -m shell -a"systemctl status docker | grep Activ...") |
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* [[Ansible#Subjects|Ansible]] | * [[Ansible#Subjects|Ansible]] | ||
=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. | |||
<Pre> | |||
ansible all -m ping | |||
</pre> | |||
=Execute a Shell Command on all Hosts in Some Groups= | =Execute a Shell Command on all Hosts in Some Groups= | ||
<pre> | <pre> | ||
ansible masters,nodes -m shell -a"systemctl status docker | grep Active" | ansible masters,nodes -m shell -a "systemctl status docker | grep Active" | ||
</pre> | </pre> | ||
=Copy Files= | |||
<pre> | |||
ansible <my-servers> -m copy -a "src=/root/ipa-ca.crt dest=/etc/origin/master" | |||
</pre> | |||
=ansible-playbook= | |||
{{Internal|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== | |||
{{Internal|Ansible_Configuration#SSH_Host_Key_Authenticity_Checking|ansible.cfg}} | |||
=Troubleshooting= | |||
{{External|https://docs.ansible.com/ansible/latest/user_guide/playbooks_debugger.html}} | |||
Run ansible-playbook with -vvvvv | |||
Latest revision as of 05:47, 19 January 2021
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
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
Troubleshooting
Run ansible-playbook with -vvvvv