info/learnxinyminutes-docs
1
0
Fork 0
mirror of https://github.com/adambard/learnxinyminutes-docs.git synced 2025-08-27 16:40:03 +02:00
Code Issues Releases Wiki Activity

update

Browse Source
This commit is contained in:
sirkubax
2018-01-01 21:21:39 +01:00
parent 4041b4c45d
commit 91a81abb7d
1 changed files with 12 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
ansible.html.markdown
View File

@@ -239,7 +239,7 @@ query from:
```bash ```bash
# read playbooks/lookup.yml # read playbooks/lookup.yml
# run # then run
(venv) user@host:~/ansible-for-learnXinYminutes$ ansible-playbook playbooks/lookup.yml (venv) user@host:~/ansible-for-learnXinYminutes$ ansible-playbook playbooks/lookup.yml
``` ```
@@ -257,7 +257,7 @@ ansible -m shell -a 'echo "{{ my_variable }}"' -e 'my_variable="{{ lookup("pipe"
### Register and Conditional ### Register and Conditional
#### Register #### Register
Another way to dynamicaly generate the variable content is a `register` command Another way to dynamicaly generate the variable content is a `register` command.
`Register` is also useful to store an output of a task, and use it's value as a logic `Register` is also useful to store an output of a task, and use it's value as a logic
for execution further tasks. for execution further tasks.
``` ```
@@ -265,7 +265,6 @@ for execution further tasks.
``` ```
```yaml ```yaml
#file content
--- ---
- hosts: localhost - hosts: localhost
tasks: tasks:
@@ -293,6 +292,16 @@ for execution further tasks.
You can define complex logic with Ansible and Jinja functions. Most common is usage of `when:`, with some variable (often dynamicly generated in previous playbook steps with `register` or `lookup`) You can define complex logic with Ansible and Jinja functions. Most common is usage of `when:`, with some variable (often dynamicly generated in previous playbook steps with `register` or `lookup`)
```yaml
---
- hosts: localhost
tasks:
- name: check the system capacity
shell: df -h /
when: some_variable in 'a string'
roles:
- { role: mid_nagios_probe, when: allow_nagios_probes }
```
### ansible - tags, limit ### ansible - tags, limit