Questions tagged [variables]
The variables tag has no usage guidance.
26
questions
0
votes
2
answers
56
views
Ansible variable register in two tasks either one or the other
I have an Ansible role that manipulates some Zabbix components.
This role has this set of tasks to check the Zabbix Agent type (1 or 2) and version.
- name: Check if Zabbix Agent 2 is installed
...
- 11
0
votes
0
answers
33
views
Interpolate environmental variable into a string
In a <VirtualHost> block I have this:
# Extract the first subdir and assign it to "subdir"
SetEnvIfNoCase Request_URI "^/?([^/]*)(?:/|$)" subdir=$1
# Add the subdir to the ...
- 260
1
vote
1
answer
409
views
bash change directory with spaces and backslash
I'm trying to build a script that I need to be quite able to manage directory with spaces or/and backslashes in their name or not.
Inside a bash script or directly on bash shell using variables for ...
- 121
1
vote
1
answer
5k
views
Ansible: Loop over template with related variables
Given the variable structure
syncjobs:
- filename: output1.bash
content: data1
- filename: output2.bash
content: data2
I want to loop over it creating the files with ansible.builtin....
- 173
0
votes
1
answer
1k
views
Pipe into command stored in bash variable
I enter two command in bash:
$export g='grep "something"'
$echo "something and another thing" | $g
But it doesn't work.
I want the second command to be evaluated by bash as : ...
- 139
0
votes
1
answer
770
views
Write original Ansible variable to xml file
I'm trying to find a way to write the original {{ ansible_host }} var in to a xml file.
This variable will replace a static IP in a device config.
The reason that I want to replace this IP with the ...
- 65
0
votes
1
answer
4k
views
Use variable to construct dictionary key in Ansible
I am trying to update a dict in a hostvar, and the name of the key is constructed using a variable (node). For example, if 'node' is 1 then I want to update hostvars['fakehost']['mydict']['...
- 1,696
0
votes
0
answers
208
views
Apache2 mod_userdir+mod_authnz_external, how to limit access to own home
I have an Apache2 setup with mod_userdir and mod_authnz_external+pwauth so that each user can access his home and can be authenticated by his local UNIX credentials.
Now I need some kind of ...
- 101
1
vote
1
answer
6k
views
Ansible print debug message result variable
I have a simple task that I cannot overcome.
I have a playbook that returns AWS EC2 instance configuration. I need to only print (display) private_ip_address.
Here my playbook
---
- hosts: local
...
- 15
0
votes
1
answer
1k
views
How to permanently set vault token and url remote server in macos
On Linux I'm setting vault variables to /etc/environment next:
export VAULT_URL='https://some-remote-server.org:8200/'
export VAULT_TOKEN='SoMeToKeN'
But when I'm typeing this in macos, after $> ...
-1
votes
2
answers
602
views
SCP exit 0 when using un-initialized variable and fail to copy
I am trying to test if a file fails to transfer using SCP.
I noticed if I use a un-initialized variable, I get exit 0 even though the SCP fails.
For example, I have an empty variable called ...
1
vote
2
answers
699
views
Bash script - check if a variable is located between 2 others variables?
In a Bash script I want to check if var1 is located between var2 and var3.
But I can't find how to do it.
Something like this.
var1=15
var2=10
var3=20
if [ "$var1" is located beetween "...
- 69
0
votes
1
answer
98
views
BASH script variables have no values
I am writing a simple script to clean up log folders. This is the most basic thing I can think of, and yet it does not work because the variables don't seem to be set. Here is the shell script ...
- 121
0
votes
1
answer
84
views
Variables covered in b' ' in Python 3
I am sure this is a fairly noob question, I have googled, and cannot find a straight answer, but I may be asking the wrong thing... I am trying to make an Out Of Box Configuration script, and all the ...
- 57
0
votes
1
answer
204
views
ansible: difference between a variable and a fact
While I'm using Ansible for quite some time, I'm not sure I really understand the differences between a variable and a fact.
Could someone explain me, possibly with an example where it really make a ...
0
votes
1
answer
145
views
Shell script to remove quotes when using SED
I'm trying to change a line of syntax in a config file where the line looks like the following:
host="192.0.2.100"
I'm writing a script that would require input the user to change the ip ...
2
votes
2
answers
1k
views
How costly are nginx variables?
nginx FAQ Is there a proper way to use nginx variables to make sections of the configuration shorter, using them as macros for making parts of configuration work as templates? ) saying (bold is mine):
...
- 37
0
votes
1
answer
3k
views
Get the previous day date as variable in batch file from powershell command output
The scenario is like this. I need a previous day date (i.e. Today -1) as variable in a batch file. But if previous day is Sunday (i.e. script running on Monday) it should return the Saturday's date (i....
1
vote
1
answer
753
views
How does systemctl variable escaping work in a shell?
I want do a batch job with systemctl, something like:
systemctl status v2ray-haproxy@{1..5}
That's fine. But when i change 5 to a variable：
n=5;systemctl status v2ray-haproxy@{1..$n}
It's not ...
- 11
0
votes
2
answers
860
views
ssh : user and host / host_ip as variables
I would like to create an array with the variables $user and $host in order to pass them to the ssh command.
I have tried:
my_array=('something1' 'something2' 'user' 'host_ip')
sudo ssh ${my_array[2]...
- 103
2
votes
3
answers
7k
views
Kickstart CentOS 7 with pre-defined static IP and hostname (%pre) and used in KS, possible?
I don't know if this is possible, but going to ask anyways.
I am trying to Kickstart newer servers of us with CentOS 7. So far I got most working, however for some reason if I use variables in the %...
- 113
2
votes
1
answer
2k
views
ANSIBLE how to locate dict at host_vars file?
I try to master the work with dictionaries at ansible.
When I include dict to playbook as at example all works like charm.
But when I try to include vars block to my host_vars/myserv.yml file like ...
- 131
0
votes
1
answer
2k
views
Ansible - manage installed apps and send output via email - variables are filling wrong
so i have this playbook, which checking, if there are installed selected packages. nothing special there. Then i would like to send an output to my email, if everything went right etc.
---
- name: ...
0
votes
0
answers
591
views
How can I add multiple variables in Ansible PB from another file
I plan to add few hundred of lines in some files using Ansible. My idea is to put all those lines in a file and then use a variable inside the playbook.
This is the first part.
The second one is ...
- 1
4
votes
1
answer
17k
views
Get PowerShell command output as a variable in bat (cmd) script
I'm trying to get FQDN of a host in some .cmd file. We have disjointed AD domain so "@echo %COMPUTERNAME%.%USERDNSDOMAIN%" does not work. I mean it works, but returns wrong value.
The solution I ...
- 89
984
votes
15
answers
1.4m
views
How to determine if a bash variable is empty?
What is the best way to determine if a variable in bash is empty ("")?
I have heard that it is recommended that I do if [ "x$variable" = "x" ]
Is that the correct way? (there must be something more ...
- 22.9k