script task strips empty string('') from parameters which leads to a infinite hang

[xin zhang]

I use script task to change mysql password by mysqladmin; when the password is an empty string(''), the script task strips it and leads ansible hang because mysqladmin will prompt for a password

TASK: [script /usr/bin/mysqladmin -u root password ''] ************************ 

<192.168.0.214> ESTABLISH CONNECTION FOR USER: root on PORT 22 TO 192.168.0.214

<192.168.0.214> EXEC /bin/sh -c 'mkdir -p $HOME/.ansible/tmp/ansible-tmp-1462733147.95-186442598016946 && echo $HOME/.ansible/tmp/ansible-tmp-1462733147.95-186442598016946'

<192.168.0.214> PUT /usr/bin/mysqladmin TO /root/.ansible/tmp/ansible-tmp-1462733147.95-186442598016946/mysqladmin

<192.168.0.214> EXEC /bin/sh -c 'chmod +rx /root/.ansible/tmp/ansible-tmp-1462733147.95-186442598016946/mysqladmin'

<192.168.0.214> EXEC /root/.ansible/tmp/ansible-tmp-1462733147.95-186442598016946/mysqladmin -u root password

see command marked in blue does have a "" at last, but the real command in red strips it.

How can I handle such case?

[Erik-jan Riemers]

Should that not be pointing to a "{{ $var }}" then? How does the task look to start with? This is just the output :)

Op zondag 1 maart 2015 23:15:43 UTC+1 schreef xin zhang:

[xin zhang]

The task is like:

- script: /tmp/mysql.sh

and mysql.sh is a single line script like:

/usr/bin/mysqladmin -u root password ''

[Erik-Jan Riemers]

Did you try it with "''" too?

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[xin zhang]

I tried. It's still not working

[xin zhang]

I tried defining a variable, it's not working too

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[Erik-jan Riemers]

Did you try and escape them with \ so say \`\` or \"``\" (just suggestions, since i am uncertain of it too) for all we know you might need to quote the command even.

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