Hi all,
im trying to use a 'complex' expression to evaluate if a task should run as
root or not.
Here is what i have defined:
```
debian_based_system: ansible_os_family == 'Debian' or ansible_os_family ==
'Linuxmint'
```
My tasks look like this
```
- debug: var=ansible_os_family
- debug: var={{ debian_based_system }}
- debug: var=debian_based_system
- shell: echo $EUID
args:
executable: /bin/bash
become: "{{ debian_based_system }}"
- shell: echo $EUID
args:
executable: /bin/bash
become: true
- shell: echo $EUID
args:
executable: /bin/bash
become: debian_based_system
```
and when i run them, i get
```
TASK [test : debug]
*********************************************************************************************************************************************************************************************************************************************************
ok: [localhost] => {
"ansible_os_family": "Linuxmint"
}
TASK [test : debug]
*********************************************************************************************************************************************************************************************************************************************************
ok: [localhost] => {
"ansible_os_family == 'Debian' or ansible_os_family == 'Linuxmint'":
true
}
TASK [test : debug]
*********************************************************************************************************************************************************************************************************************************************************
ok: [localhost] => {
"debian_based_system": "ansible_os_family == 'Debian' or
ansible_os_family == 'Linuxmint'"
}
TASK [test : command]
*******************************************************************************************************************************************************************************************************************************************************
changed: [localhost] => {"changed": true, "cmd": "echo $EUID", "delta":
"0:00:00.003180", "end": "2017-12-13 11:48:16.830302", "rc": 0, "start":
"2017-12-13 11:48:16.827122", "stderr": "", "stderr_lines": [], "stdout":
"1000", "stdout_lines": ["1000"]}
TASK [test : command]
*******************************************************************************************************************************************************************************************************************************************************
changed: [localhost] => {"changed": true, "cmd": "echo $EUID", "delta":
"0:00:00.002833", "end": "2017-12-13 11:48:16.988274", "rc": 0, "start":
"2017-12-13 11:48:16.985441", "stderr": "", "stderr_lines": [], "stdout":
"0", "stdout_lines": ["0"]}
TASK [test : command]
*******************************************************************************************************************************************************************************************************************************************************
changed: [localhost] => {"changed": true, "cmd": "echo $EUID", "delta":
"0:00:00.002869", "end": "2017-12-13 11:48:17.143074", "rc": 0, "start":
"2017-12-13 11:48:17.140205", "stderr": "", "stderr_lines": [], "stdout":
"1000", "stdout_lines": ["1000"]}
```
which means that only `become: true` gave my task sudo access (and not any
of the other two).
If i change the definition to `debian_based_system: '{{ ansible_os_family
== "Debian" or ansible_os_family == "Linuxmint" }}'`, then i get correct
results for the first two shell tasks but i also get a warning about using
{{ }} in when statements.
```
TASK [test : debug]
*********************************************************************************************************************************************************************************************************************************************************
[WARNING]: when statements should not include jinja2 templating delimiters
such as {{ }} or {% %}. Found: {{ ansible_os_family == "Debian" or
ansible_os_family == "Linuxmint" }}
ok: [localhost] => {
"ansible_os_family": "Linuxmint"
}
TASK [test : debug]
*********************************************************************************************************************************************************************************************************************************************************
[WARNING]: when statements should not include jinja2 templating delimiters
such as {{ }} or {% %}. Found: {{ ansible_os_family == "Debian" or
ansible_os_family == "Linuxmint" }}
ok: [localhost] => {
"true": "VARIABLE IS NOT DEFINED!"
}
TASK [test : debug]
*********************************************************************************************************************************************************************************************************************************************************
[WARNING]: when statements should not include jinja2 templating delimiters
such as {{ }} or {% %}. Found: {{ ansible_os_family == "Debian" or
ansible_os_family == "Linuxmint" }}
ok: [localhost] => {
"debian_based_system": true
}
TASK [test : command]
*******************************************************************************************************************************************************************************************************************************************************
[WARNING]: when statements should not include jinja2 templating delimiters
such as {{ }} or {% %}. Found: {{ ansible_os_family == "Debian" or
ansible_os_family == "Linuxmint" }}
changed: [localhost] => {"changed": true, "cmd": "echo $EUID", "delta":
"0:00:00.002737", "end": "2017-12-13 11:51:29.057079", "rc": 0, "start":
"2017-12-13 11:51:29.054342", "stderr": "", "stderr_lines": [], "stdout":
"0", "stdout_lines": ["0"]}
TASK [test : command]
*******************************************************************************************************************************************************************************************************************************************************
[WARNING]: when statements should not include jinja2 templating delimiters
such as {{ }} or {% %}. Found: {{ ansible_os_family == "Debian" or
ansible_os_family == "Linuxmint" }}
changed: [localhost] => {"changed": true, "cmd": "echo $EUID", "delta":
"0:00:00.003077", "end": "2017-12-13 11:51:29.227123", "rc": 0, "start":
"2017-12-13 11:51:29.224046", "stderr": "", "stderr_lines": [], "stdout":
"0", "stdout_lines": ["0"]}
TASK [test : command]
*******************************************************************************************************************************************************************************************************************************************************
[WARNING]: when statements should not include jinja2 templating delimiters
such as {{ }} or {% %}. Found: {{ ansible_os_family == "Debian" or
ansible_os_family == "Linuxmint" }}
changed: [localhost] => {"changed": true, "cmd": "echo $EUID", "delta":
"0:00:00.003351", "end": "2017-12-13 11:51:29.386325", "rc": 0, "start":
"2017-12-13 11:51:29.382974", "stderr": "", "stderr_lines": [], "stdout":
"1000", "stdout_lines": ["1000"]}
```
What is the correct way to define this so that it works and i dont get the
warning ?
Cheers,
Mike
```
$ ansible --version
ansible 2.3.1.0
config file =
configured module search path = Default w/o overrides
python version = 2.7.12 (default, Nov 20 2017, 18:23:56) [GCC 5.4.0
20160609]
```
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