I have check.sh script that I wish to run on the target nodes:
cat check.sh
str=`echo $1 | sed -e 's#[\][\]n# #g'`
echo $str>check.row
It is suppose to replace \\n with a single white space from the argument
and save it in check.row file.
When I run it manually on the target server i get good output results as
shown below:
bash -x ./check.sh '/fin/app/01/scripts\\n/fin/app/01/sql'
> ++ echo '/fin/app/01/scripts\\n/fin/app/01/sql'
> ++ sed -e 's#[\][\]n# #g'
> + str='/fin/app/01/scripts /fin/app/01/sql'
> + echo /fin/app/01/scripts /fin/app/01/sql
>
Here is the check.row file output:
[user1@remotehost1 ~]$ cat check.row
> /fin/app/01/scripts /fin/app/01/sql
However, when i run the same using ansible shell or command module I do not
get the expected results.
Below is my playbook:
tasks:
- copy:
src: "{{ playbook_dir }}/files/check.sh"
dest: "~/"
mode: 0754
- set_fact:
install_dir: "{{
hostvars[\'localhost\'][\'command_result\'].stdout.split('\t')[2] }}"
- shell: "bash -x ~/check.sh '{{ install_dir }}' > ~/check_rollback.log"
See ansible's debug output below:
> changed: [10.8.44.55] => {
> "changed": true,
> "cmd": "bash -x ~/check.sh '/fin/app/01/scripts\\n/fin/app/01/sql' >
> ~/check_rollback.log",
> "delta": "0:00:00.118943",
> "end": "2019-09-04 10:50:16.503745",
> "invocation": {
> "module_args": {
> "_raw_params": "bash -x ~/check.sh
> '/fin/app/01/scripts\\n/fin/app/01/sql' > ~/check_rollback.log",
> "_uses_shell": true,
> "argv": null,
> "chdir": null,
> "creates": null,
> "executable": null,
> "removes": null,
> "stdin": null,
> "stdin_add_newline": true,
> "strip_empty_ends": true,
> "warn": true
> }
> },
> "rc": 0,
> "start": "2019-09-04 10:50:16.384802",
> "stderr": "++ echo '/fin/app/01/scripts\\n/fin/app/01/sql'\n++ sed -e
> 's#[\\][\\]n# #g'\n+ str='/fin/app/01/scripts\\n/fin/app/01/sql'\n+ echo
> '/fin/app/01/scripts\\n/fin/app/01/sql'",
> "stderr_lines": [
> "++ echo '/fin/app/01/scripts\\n/fin/app/01/sql'",
> "++ sed -e 's#[\\][\\]n# #g'",
> "+ str='/fin/app/01/scripts\\n/fin/app/01/sql'",
> "+ echo '/fin/app/01/scripts\\n/fin/app/01/sql'"
> ],
> "stdout": "",
> "stdout_lines": []
> }
And here is the check.row file output:
[user1@remotehost1 ~]$ cat check.row
> /fin/app/01/scripts\\n/fin/app/01/sql
As you can instead of single whitespace it is now printing \\n.
One can replicate this issue easily. Can you please suggest why am I
getting this issue and how to fix this?
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