seting environment

[coach...@gmail.com]

I have few variables defined in a variable.yml file for example

cat variable.com ( its a dynamic file and the value keeps changing )
ptr_image: my.example.com/jobname/testname
ver_number: v99

I am using this in my playbook ... build.yml

where i am using this file for the variables..

---
- name: to execute the build
  tasks:
  - name: exporting the variables
    include_vars: variable.yml
  - name: running the docker stack
    shell: docket stack -c some.yml ..

    

but while running the command docker stack this variable is not exporting and throws error . Could you please help as to how can i export this variable .
.i have tried environment module environment but its not exporting i am not sure if i am doing it correctly...Thank you
     

[coach rhca]

any thoughts or approach in this regard. ....

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[Kai Stian Olstad]

On Thursday, 14 December 2017 14.07.22 CET coach rhca wrote:
>
> any thoughts or approach in this regard. ....

Check out environments, include vars doesn't export anything to a shell. It only load the variable inside Ansible.


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Kai Stian Olstad

[coach rhca]

thanks Kai, if the include_vars will not export , i have tried the environment module too... the variable file is dynamic and every time it changes the value.
cat variable.yml ( its a dynamic file and the value keeps changing )
ptr_image: my.example.com/jobname/testname  ======>( this value will change frequently )
ver_number: v99  ===> (this values will change frequently in the file say to v100 v101 ....v150 )

so how do we export the change/dynamic  values so that the command docker stack -c somefile.yml runs with the exported variables..when using environment module..please share your insight ...thanks

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[Kai Stian Olstad]

On Thursday, 14 December 2017 16.35.10 CET coach rhca wrote:
>
> thanks Kai, if the include_vars will not export , i have tried the
> environment module too... the variable file is dynamic and every time it
> changes the value.

> cat variable.yml <http://variable.com>( its a dynamic file and the value

> keeps changing )
> ptr_image: my.example.com/jobname/testname ======>( this value will change

> frequently ) <http://my.example.com/jobname/testname>

> ver_number: v99 ===> (this values will change frequently in the file say
> to v100 v101 ....v150 )

Run the include_var but on the shell you need to list all the variables again, then the variables is available in the shell.

- shell: docker..........
environment:
ver_number: '{{ ver_number }}'
...
...
...


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Kai Stian Olstad

[coach rhca]

Thanks Kai for clarifying it...so putting variable under the environment module after shell will export the variable. ..can we see the variable  with echo $ver_number on the linux host if it has been exported using environment

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Kai Stian Olstad

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[Kai Stian Olstad]

On Thursday, 14 December 2017 17.58.03 CET coach rhca wrote:
>
> Thanks Kai for clarifying it...so putting variable under the environment
> module after shell will export the variable. ..can we see the variable
> with echo $ver_number on the linux host if it has been exported using
> environment

The environment is only for that single task in Ansible, it doesn't do any changes to the system.


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Kai Stian Olstad

[coach rhca]

thanks again kai and appreciate your help...will check it...

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Kai Stian Olstad

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[Brian Coca]

- name: to execute the build
tasks:
- name: exporting the variables
include_vars:

file: variable.yml
name: myenvvars

- name: running the docker stack
shell: docket stack -c some.yml ..

environment: '{{myenvvars}}'


--
----------
Brian Coca

[coach rhca]

Thanks a ton  Brian for the help...

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[coach rhca]

sorry for coming back to this again...if we have multiple vars file will the logic be the same....for example ..

include_vars:
        file: {{item}} (rather than one file variable.yml)

        with_items:

                 - variable1.yml

                 - variable2.yml

                 - variable3.yml

        name: myenvvars
        

  - name: running the docker stack
    shell: docket stack -c some.yml ..
    environment: '{{myenvvars}}'

please can you share the insight ...

[coach rhca]

Kai/Brian, could you please help on it...as above the files are variable1.yml, variable2.yml,variable3.yml....having the values as ptr_image: my.example.com/jobname/testname
ver_number: v99 and diferent values in different files but the variable name ( ptr_image and ver_number  name remains the same in all files but values change) ...is there a way that we can export the environment variable from file variable1.yml and run the docker stack -c some.yml and then take the variable2 file and export the environment variable again from this file and then again run docket stack -c some.yml and so on...( one variable file values to be export and subsequent ones)....

thanks 

[coach rhca]

any thoughts on this...

[Brian Coca]

yes, just you are indenting things wrong and name is a label, not the
same as register:


- include_vars:

file: {{item}} (rather than one file variable.yml)
with_items:
- variable1.yml
- variable2.yml
- variable3.yml

register: myenvvars

----------
Brian Coca

[coach rhca]

thank you Brian

----------
Brian Coca

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