Questions tagged [variables]

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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....
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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 : ...
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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 ...
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How to pass variables inside docker container to application securely?

An application inside a docker container is a required connection for external PostgreSQL DB. How can I pass variables inside the docker container for this application securely? I have in the file ...
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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']['...
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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 ...
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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 ...
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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 $> ...
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-1 votes
2 answers
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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 ...
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1 vote
2 answers
216 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 "...
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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 ...
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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 ...
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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 ...
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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 ...
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1 vote
2 answers
456 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): ...
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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....
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1 answer
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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 ...
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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]...
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3 answers
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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 %...
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2 votes
1 answer
1k 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 ...
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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: ...
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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 ...
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4 votes
1 answer
14k 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 ...
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