replace a line in a file with lineinfile

[dulh...@mailbox.org]

I want to change replace a particular line in an exiting file (after having pushed a template of it to the remote)

this is ant extract of the file content

> cat bin/.myenv
# Mysql Environment
...

MYBASE=/opt/db/mysql/mariadb
MYHOME=/opt/db/mysql/mariadb-10.0.23-linux-x86_64
MYDATA=/opt/db/data/mysql
MYBACK=/opt/db/backup/mysql/dumps

...

 

I want to replace the line

MYHOME=/opt/db/mysql/mariadb-10.0.23-linux-x86_64

with this new line

MYHOME=/opt/db/mysql/mariadb-10.5.4-linux-x86_64

my TASK looks like this

 - name: replace mariadb version in " {{ mariadb_base }}"/bin/.myenv

lineinfile:

path: " {{ mariadb_base }}/bin/.myenv "

regexp: 'MYHOME=/opt/db/mysql/*'

line: MYHOME=/opt/db/mysql/mariadb-10.5.4-linux-x86_64

where {{ mariadb_base }} equals /opt/db/mysql

the error I am getting is:

TASK [mariadb_install : replace mariadb version in " /opt/db/mysql"/bin/.myenv] *******************************************************************
fatal: [vm-51150-0198]: FAILED! => changed=false
msg: Destination /opt/db/mysql/bin/.myenv does not exist !
rc: 257

however checking on the target I can see that the file /opt/db/mysql/bin/.myenv actually does exist

[Parth Patel]

Hey,

Are you trying to use become method to be root or privileged user ? If file exist on target node can u show permissions on it.

And in line regexp change to below to look for starting with line using ^ 

regexp = ‘^MYHOME=/opt/db/mysql/*’

Cheers,

Parth

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[dulh...@mailbox.org]

hm. adding a become: yes makes the TASK go through, so the hint was good, thx.

However the line is not being replaced.

can it be the regexp: 'MYHOME=/opt/db/mysql/mariadb-10.0.23-linux-x86_64' does not identify the line to be changed correctly?

that would explain that behavior somewhat.

If so ... what may the the problem with this?

regexp: 'MYHOME=/opt/db/mysql/mariadb-10.0.23-linux-x86_64'

line: MYHOME=/opt/db/mysql/mariadb-10.5.4-linux-x86_64

where {{ mariadb_base }} equals /opt/db/mysql

the error I am getting is:

TASK [mariadb_install : replace mariadb version in " /opt/db/mysql"/bin/.myenv] *******************************************************************
fatal: [vm-51150-0198]: FAILED! => changed=false
msg: Destination /opt/db/mysql/bin/.myenv does not exist !
rc: 257

however checking on the target I can see that the file /opt/db/mysql/bin/.myenv actually does exist

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[Parth Patel]

I doubt without using ^ it wont be able to find line starting with MYHOME………….

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[Dick Visser]

Hii

On Sat, 15 Jan 2022 at 15:28, dulhaver via Ansible Project <ansible...@googlegroups.com> wrote:

I want to change replace a particular line in an exiting file (after having pushed a template of it to the remote)

It you are already using a template, why not just that instead of lineinfile...?

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Sent from a mobile device - please excuse the brevity, spelling and punctuation.

[dulh...@mailbox.org]

On 15.01.22 17:55, Dick Visser wrote:

Hi

On Sat, 15 Jan 2022 at 15:28, dulhaver via Ansible Project <ansible...@googlegroups.com> wrote:

I want to change replace a particular line in an exiting file (after having pushed a template of it to the remote)

If you are already using a template, why not just that instead of lineinfile...?

because lineinfile came to my attention first, to be honest.
But I'll happily be looking into other options (as I can not make it work anyway)

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[Todd Lewis]

You have a space on either end of your "path:" parameter. Change

path: " {{ mariadb_base }}/bin/.myenv "

to

path: "{{ mariadb_base }}/bin/.myenv"

and see if that works better.

[dulh...@mailbox.org]

On 01/15/2022 9:01 PM Todd Lewis <uto...@gmail.com> wrote:

You have a space on either end of your "path:" parameter. Change

path: " {{ mariadb_base }}/bin/.myenv "

to

path: "{{ mariadb_base }}/bin/.myenv"

and see if that works better.

yes, much better. thx

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