RST reformatting a few things

This commit is contained in:
Michael DeHaan 2012-03-08 23:05:52 -05:00
parent 358859d2f3
commit 7a4df9e2fc
2 changed files with 16 additions and 8 deletions

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@ -84,13 +84,21 @@ key in ``authorized_keys``::
aserver.example.org aserver.example.org
bserver.example.org bserver.example.org
Now try this: Set up SSH agent to avoid retyping passwords::
ssh-agent bash ssh-agent bash
ssh-add ~/.ssh/id_rsa ssh-add ~/.ssh/id_rsa
Now ping all your nodes::
ansible all -m ping ansible all -m ping
Now run a live command on all of your nodes::
ansible all /bin/echo hello
Congratulations. You've just contacted your nodes with Ansible. It's now time to read some Congratulations. You've just contacted your nodes with Ansible. It's now time to read some
of the more real-world examples, and explore what you can do with different modules, as well of the more real-world examples, and explore what you can do with different modules, as well
as the Ansible playbooks language. as the Ansible playbooks language. Ansible is not just about running commands, but you already
have a working infrastructure!

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@ -54,7 +54,7 @@ Vars section
```````````` ````````````
A list of variables and values that can be used in the plays. These can be used in templates A list of variables and values that can be used in the plays. These can be used in templates
or 'action' lines and are dereferenced using ```jinja2``` syntax like this: or 'action' lines and are dereferenced using ```jinja2``` syntax like this::
{{ varname }} {{ varname }}
@ -62,12 +62,12 @@ Further, if there are discovered variables about the system (say, if facter or o
installed) these variables bubble up back into the playbook, and can be used on each installed) these variables bubble up back into the playbook, and can be used on each
system just like explicitly set variables. Facter variables are prefixed with 'facter_' system just like explicitly set variables. Facter variables are prefixed with 'facter_'
and Ohai variables are prefixed with 'ohai_'. So for instance, if I wanted to write the and Ohai variables are prefixed with 'ohai_'. So for instance, if I wanted to write the
hostname into the /etc/motd file, I could say: hostname into the /etc/motd file, I could say::
- name: write the motd - name: write the motd
- action: template src=/srv/templates/motd.j2 dest=/etc/motd - action: template src=/srv/templates/motd.j2 dest=/etc/motd
And in /srv/templates/motd.j2::: And in /srv/templates/motd.j2::
You are logged into {{ facter_hostname }} You are logged into {{ facter_hostname }}
@ -96,7 +96,7 @@ command line. See the module documentation for more info.
Variables, as mentioned above, can be used in action lines. So if, hypothetically, you wanted Variables, as mentioned above, can be used in action lines. So if, hypothetically, you wanted
to make a directory on each system named after the hostname ... yeah, that's I know silly ... you could to make a directory on each system named after the hostname ... yeah, that's I know silly ... you could
do it like so: do it like so::
- name: make a directory - name: make a directory
- action: mkdir /tmp/{{ facter_hostname }} - action: mkdir /tmp/{{ facter_hostname }}
@ -125,12 +125,12 @@ Includes
Not all tasks have to be listed directly in the main file. An include file can contain Not all tasks have to be listed directly in the main file. An include file can contain
a list of tasks (in YAML) as well, optionally passing extra variables into the file. a list of tasks (in YAML) as well, optionally passing extra variables into the file.
Variables passed in can be deferenced like this (assume a variable named 'user') Variables passed in can be deferenced like this (assume a variable named 'user')::
{{ user }} {{ user }}
For instance, if deploying multiple wordpress instances, I could contain all of my tasks For instance, if deploying multiple wordpress instances, I could contain all of my tasks
in a wordpress.yml file, and use it like so: in a wordpress.yml file, and use it like so::
- tasks: - tasks:
- include: wordpress.yml user=timmy - include: wordpress.yml user=timmy