Re: [ansible-project] Lineinfile - Skip/Update an item inside "with_items" using conditions
On Wed, 21 Dec 2022 16:30:03 +0500
farrukh ahmed wrote:
> blockinfile:
> path: "{{ini_file_path}}" # set in defaults
> marker: ";# {mark} ANSIBLE MANAGED BLOCK ###"
> block: "{{ item.param }}"
> loop:
> - { param: "display_errors = {{service_configurations.display_errors |
> d(omit) }}"}
> - { param: "memory_limit = {{service_configurations.memory_limit | d(omit)
> }}M"}
> when: item.param is not search(omit)
The *marker* must be unique for each block. Otherwise the the blocks
will overwrite each other. For this purpose it would be practical to
change the structure of the iterated data. For example, the
simplified playbook below
shell> cat pb.yml
- hosts: localhost
tasks:
- blockinfile:
path: /tmp/test.ini
marker: "# {mark} {{ item.param }}"
block: |
{{ item.param }} = {{ item.value }}
loop:
- param: 'display_errors'
value: "{{ conf.errors }}"
- param: 'memory_limit'
value: "{{ conf.limit }}"
shell> ansible-playbook pb.yml -e '{"conf":{"errors":"On","limit":"128"}}'
works as expected and creates the file
shell> cat /tmp/test.ini
# BEGIN display_errors
display_errors = On
# END display_errors
# BEGIN memory_limit
memory_limit = 128
# END memory_limit
Fit the data and *marker* to your needs.
--
Vladimir Botka
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Re: [ansible-project] Lineinfile - Skip/Update an item inside "with_items" using conditions
Hello Team,
I have progressed but still not achieved my target with *blockinfile *
module.
It should be updated the both items, as I passed both variables but It just
updated the last item only i.e (memory_limit)
Here is my play:
- name: update php configurations
blockinfile:
path: "{{ini_file_path}}" # set in defaults
marker: ";# {mark} ANSIBLE MANAGED BLOCK ###"
block: "{{ item.param }}"
loop:
- { param: "display_errors = {{service_configurations.display_errors |
d(omit) }}"}
- { param: "memory_limit = {{service_configurations.memory_limit | d(omit)
}}M"}
when: item.param is not search(omit)
The output I'm getting:
;# BEGIN ANSIBLE MANAGED BLOCK ###
memory_limit = 128M
;# END ANSIBLE MANAGED BLOCK ###
The output should be like this, if I passed both variables from the command
line.
;# BEGIN ANSIBLE MANAGED BLOCK ###
display_errors = On
memory_limit = 128M
;# END ANSIBLE MANAGED BLOCK ###
The Command I'm using:
ansible-playbook -i hosts exec.yml -e
'{"service_configurations":{"display_errors":"On","memory_limit":"128"}}'
I would be thankful for any help or ideas.
Thanks.
FARRUKH AHMED
On Tue, Dec 20, 2022 at 5:15 PM Dick Visser wrote:
> Hii
>
> On Tue, 20 Dec 2022 at 12:47, farrukh ahmed
> wrote:
> >
> > Can we do the same with blockinfile?
>
> Maybe. But, what one can do, is not always what one should do - see below.
>
> > PS: It is mandatory for me to do this with the blockinfile module.
>
> This is not correct - the file should not be edited at all, because it
> is a package provided file.
> So, any updates will overwrite your changes. Plus you need to resort
> to kludges (imho) like blockinfile.
> What you should do, is put your local changes in a properly named ini
> file below /etc/php/7.4/fpm/conf.d, which won't be touched by anyone
> else.
>
> Dick
>
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>
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Re: [ansible-project] Lineinfile - Skip/Update an item inside "with_items" using conditions
Hii On Tue, 20 Dec 2022 at 12:47, farrukh ahmed wrote: > > Can we do the same with blockinfile? Maybe. But, what one can do, is not always what one should do - see below. > PS: It is mandatory for me to do this with the blockinfile module. This is not correct - the file should not be edited at all, because it is a package provided file. So, any updates will overwrite your changes. Plus you need to resort to kludges (imho) like blockinfile. What you should do, is put your local changes in a properly named ini file below /etc/php/7.4/fpm/conf.d, which won't be touched by anyone else. Dick -- You received this message because you are subscribed to the Google Groups "Ansible Project" group. To unsubscribe from this group and stop receiving emails from it, send an email to ansible-project+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/ansible-project/CAF8BbLaYD-UTvsx8g0kpC5DMJjxEj4tAj67K-Yw-TMMj4HWhPA%40mail.gmail.com.
Re: [ansible-project] Lineinfile - Skip/Update an item inside "with_items" using conditions
Can we do the same with blockinfile?
For instance, if the variable is not found then omit only that item and
move on to the next item and update it.
Here is my play
- name: insert/update php configurations in App_config_file
blockinfile:
path: "/etc/php/7.4/fpm/php.ini_bak"
marker: ";# {mark} ANSIBLE MANAGED BLOCK ###"
block: |
{% for items in item %}
{{ items }}
{% endfor %}
when: item is not search(omit)
with_items:
- { "display_errors = {{service_configurations.display_errors | d(omit) }}"
}
- { "memory_limit = {{service_configurations.memory_limit | d(omit) }}M" }
Here is the output I'm getting:
root@aws-farrukhahmed-518:/etc/php/7.4/fpm# cat php.ini_bak
;# BEGIN ANSIBLE MANAGED BLOCK ###
memory_limit = {{service_configurations.memory_limit | d(omit) }}M
;# END ANSIBLE MANAGED BLOCK ###
root@aws-farrukhahmed-518:/etc/php/7.4/fpm#
Here is the command I'm using:
ansible-playbook -i hosts exec.yml -e
'{"service_configurations":{"display_errors":"On","memory_limit":"128"}}'
-vvv
The expected output should be:
;# BEGIN ANSIBLE MANAGED BLOCK ###
display_errors = On
memory_limit = 128M
;# END ANSIBLE MANAGED BLOCK ###
PS: It is mandatory for me to do this with the blockinfile module.
On Fri, Aug 5, 2022 at 8:27 PM farrukh ahmed
wrote:
> Thanks @utoddl for your time and reply.
>
> when: item.line is not search(omit)
>
> This solution actually worked for me.
>
> Thanks & regards,
>
> FARRUKH
> On Friday, August 5, 2022 at 5:22:03 PM UTC+5 uto...@gmail.com wrote:
>
>> That "when:" should be
>>
>> when: item.line is not search(omit)
>>
>> On Friday, August 5, 2022 at 8:03:34 AM UTC-4 Todd Lewis wrote:
>>
>>> - name: "Update Redis Parameters in {{ redis_config_path }}"
>>> lineinfile:
>>> path: "{{ redis_config_path }}"
>>> backrefs: yes
>>> regexp: "{{ item.regexp }}"
>>> line: "{{ item.line }}"
>>> when: item.line is match(omit)
>>> with_items:
>>> - { regexp: '^maxmemory', line: "maxmemory {{ MAX_MEM | d(omit)
>>> }}mb" }
>>> - { regexp: '^tcp-keepalive', line: "tcp-keepalive {{ TCP_KEEPALIVE
>>> | d(omit) }}" }
>>> - { regexp: '^tcp-backlog', line: "tcp-backlog {{ TCP_BACKLOG |
>>> d(omit) }}" }
>>> - { regexp: '^maxclients',line: "maxclients {{ MAX_CLIENTS |
>>> d(omit) }}" }
>>> - { regexp: '^timeout', line: "timeout {{ TIMEOUT }}" }
>>>
>>>
>>>
>>> On 8/5/22 7:31 AM, farrukh ahmed wrote:
>>>
>>> Thanks for your reply Vladimir Botka.
>>>
>>> This is my actual case:
>>>
>>> defaults > main.yml
>>> ---
>>> # defaults file for redis_configs
>>> redis_config_path: /etc/redis/redis.conf
>>>
>>> # Default Params Values
>>> MAX_MEM: 3000
>>> TCP_KEEPALIVE: 0
>>> TCP_BACKLOG: 511
>>> MAX_CLIENTS: 15000
>>> TIMEOUT: 1500
>>>
>>>
>>> And this is:
>>>
>>> Tasks > main.yml
>>>
>>> ---
>>>
>>> - name: "Update Redis Parameters in {{ redis_config_path }}"
>>> lineinfile:
>>> path: "{{ redis_config_path }}"
>>> backrefs: yes
>>> regexp: "{{ item.regexp }}"
>>> line: "{{ item.line }}"
>>> with_items:
>>> - { regexp: '^maxmemory', line: "maxmemory {{ MAX_MEM }}mb", when:
>>> {{ MAX_MEM }} is defined }
>>> - { regexp: '^tcp-keepalive', line: "tcp-keepalive {{ TCP_KEEPALIVE
>>> }}", when: {{ TCP_KEEPALIVE }} is defined }
>>> - { regexp: '^tcp-backlog', line: "tcp-backlog {{ TCP_BACKLOG }}",
>>> when: {{ TCP_BACKLOG }} is defined}
>>> - { regexp: '^maxclients', line: "maxclients {{ MAX_CLIENTS }}",
>>> when: {{ MAX_CLIENTS }} is defined}
>>> - { regexp: '^timeout', line: "timeout {{ TIMEOUT }}" }
>>>
>>>
>>> I want this to check if each variable inside an item is defined then
>>> make the changes to the line in the file, otherwise skip only those items
>>> which variables is not defined.
>>> For Instance, If I comment out the variable MAX_MEM from the defaults >
>>> main.yml. like below:
>>>
>>> # Default Params Values
>>> ##MAX_MEM: 3000
>>> TCP_KEEPALIVE: 0
>>> TCP_BACKLOG: 511
>>> MAX_CLIENTS: 15000
>>> TIMEOUT: 1500
>>>
>>> Then the execution should skip changes to the line where MAX_MEM is
>>> undefined, and the rest lines should be changed as they defined.
>>>
>>> Is it possible?
>>>
>>>
>>> On Friday, August 5, 2022 at 2:18:05 PM UTC+5 vbo...@gmail.com wrote:
>>>
On Thu, 4 Aug 2022 23:43:59 -0700 (PDT)
farrukh ahmed wrote:
> with_items:
> - { regexp: '^text1', line: "text1 = {{ VAR1 }}", when: VAR1 is
defined }
> - { regexp: '^text2', line: "text2 = {{ VAR2 }}" }
> - { regexp: '^text3', line: "text3 = {{ VAR3 }}" }
Set *default* to avoid errors, add attribute *def*, and select lines.
For example,
shell> cat pb.yml
---
- hosts: localhost
gather_facts: false
vars:
lines:
- regexp: '^text1'
line: 'text1 = {{ VAR1|d("undef") }}'
def: '{{ VAR1 is defined }}'
- regexp: '^text2'
line: 'text2 = {{ VAR2|d("undef") }}'
def: '{{ VAR2 is defined }}'
Re: [ansible-project] Lineinfile - Skip/Update an item inside "with_items" using conditions
Thanks @utoddl for your time and reply.
when: item.line is not search(omit)
This solution actually worked for me.
Thanks & regards,
FARRUKH
On Friday, August 5, 2022 at 5:22:03 PM UTC+5 uto...@gmail.com wrote:
> That "when:" should be
>
> when: item.line is not search(omit)
>
> On Friday, August 5, 2022 at 8:03:34 AM UTC-4 Todd Lewis wrote:
>
>> - name: "Update Redis Parameters in {{ redis_config_path }}"
>> lineinfile:
>> path: "{{ redis_config_path }}"
>> backrefs: yes
>> regexp: "{{ item.regexp }}"
>> line: "{{ item.line }}"
>> when: item.line is match(omit)
>> with_items:
>> - { regexp: '^maxmemory', line: "maxmemory {{ MAX_MEM | d(omit)
>> }}mb" }
>> - { regexp: '^tcp-keepalive', line: "tcp-keepalive {{ TCP_KEEPALIVE
>> | d(omit) }}" }
>> - { regexp: '^tcp-backlog', line: "tcp-backlog {{ TCP_BACKLOG |
>> d(omit) }}" }
>> - { regexp: '^maxclients',line: "maxclients {{ MAX_CLIENTS |
>> d(omit) }}" }
>> - { regexp: '^timeout', line: "timeout {{ TIMEOUT }}" }
>>
>>
>>
>> On 8/5/22 7:31 AM, farrukh ahmed wrote:
>>
>> Thanks for your reply Vladimir Botka.
>>
>> This is my actual case:
>>
>> defaults > main.yml
>> ---
>> # defaults file for redis_configs
>> redis_config_path: /etc/redis/redis.conf
>>
>> # Default Params Values
>> MAX_MEM: 3000
>> TCP_KEEPALIVE: 0
>> TCP_BACKLOG: 511
>> MAX_CLIENTS: 15000
>> TIMEOUT: 1500
>>
>>
>> And this is:
>>
>> Tasks > main.yml
>>
>> ---
>>
>> - name: "Update Redis Parameters in {{ redis_config_path }}"
>> lineinfile:
>> path: "{{ redis_config_path }}"
>> backrefs: yes
>> regexp: "{{ item.regexp }}"
>> line: "{{ item.line }}"
>> with_items:
>> - { regexp: '^maxmemory', line: "maxmemory {{ MAX_MEM }}mb", when: {{
>> MAX_MEM }} is defined }
>> - { regexp: '^tcp-keepalive', line: "tcp-keepalive {{ TCP_KEEPALIVE
>> }}", when: {{ TCP_KEEPALIVE }} is defined }
>> - { regexp: '^tcp-backlog', line: "tcp-backlog {{ TCP_BACKLOG }}",
>> when: {{ TCP_BACKLOG }} is defined}
>> - { regexp: '^maxclients', line: "maxclients {{ MAX_CLIENTS }}",
>> when: {{ MAX_CLIENTS }} is defined}
>> - { regexp: '^timeout', line: "timeout {{ TIMEOUT }}" }
>>
>>
>> I want this to check if each variable inside an item is defined then make
>> the changes to the line in the file, otherwise skip only those items which
>> variables is not defined.
>> For Instance, If I comment out the variable MAX_MEM from the defaults >
>> main.yml. like below:
>>
>> # Default Params Values
>> ##MAX_MEM: 3000
>> TCP_KEEPALIVE: 0
>> TCP_BACKLOG: 511
>> MAX_CLIENTS: 15000
>> TIMEOUT: 1500
>>
>> Then the execution should skip changes to the line where MAX_MEM is
>> undefined, and the rest lines should be changed as they defined.
>>
>> Is it possible?
>>
>>
>> On Friday, August 5, 2022 at 2:18:05 PM UTC+5 vbo...@gmail.com wrote:
>>
>>> On Thu, 4 Aug 2022 23:43:59 -0700 (PDT)
>>> farrukh ahmed wrote:
>>>
>>> > with_items:
>>> > - { regexp: '^text1', line: "text1 = {{ VAR1 }}", when: VAR1 is
>>> defined }
>>> > - { regexp: '^text2', line: "text2 = {{ VAR2 }}" }
>>> > - { regexp: '^text3', line: "text3 = {{ VAR3 }}" }
>>>
>>> Set *default* to avoid errors, add attribute *def*, and select lines.
>>> For example,
>>>
>>> shell> cat pb.yml
>>> ---
>>> - hosts: localhost
>>> gather_facts: false
>>> vars:
>>> lines:
>>> - regexp: '^text1'
>>> line: 'text1 = {{ VAR1|d("undef") }}'
>>> def: '{{ VAR1 is defined }}'
>>> - regexp: '^text2'
>>> line: 'text2 = {{ VAR2|d("undef") }}'
>>> def: '{{ VAR2 is defined }}'
>>> - regexp: '^text3'
>>> line: 'text3 = {{ VAR3|d("undef") }}'
>>> def: '{{ VAR3 is defined }}'
>>> tasks:
>>> - debug:
>>> var: item
>>> loop: "{{ lines|selectattr('def') }}"
>>>
>>> gives
>>>
>>> shell> ansible-playbook pb.yml -e VAR1=test
>>>
>>> PLAY [localhost]
>>> *
>>>
>>> TASK [debug]
>>> *
>>> ok: [localhost] => (item={'regexp': '^text1', 'line': 'text1 = test',
>>> 'def': True}) => ansible_loop_var: item item:
>>> def: true
>>> line: text1 = test
>>> regexp: ^text1
>>>
>>> --
>>> Vladimir Botka
>>>
>>
>>
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Re: [ansible-project] Lineinfile - Skip/Update an item inside "with_items" using conditions
That "when:" should be
when: item.line is not search(omit)
On Friday, August 5, 2022 at 8:03:34 AM UTC-4 Todd Lewis wrote:
> - name: "Update Redis Parameters in {{ redis_config_path }}"
> lineinfile:
> path: "{{ redis_config_path }}"
> backrefs: yes
> regexp: "{{ item.regexp }}"
> line: "{{ item.line }}"
> when: item.line is match(omit)
> with_items:
> - { regexp: '^maxmemory', line: "maxmemory {{ MAX_MEM | d(omit)
> }}mb" }
> - { regexp: '^tcp-keepalive', line: "tcp-keepalive {{ TCP_KEEPALIVE |
> d(omit) }}" }
> - { regexp: '^tcp-backlog', line: "tcp-backlog {{ TCP_BACKLOG |
> d(omit) }}" }
> - { regexp: '^maxclients',line: "maxclients {{ MAX_CLIENTS |
> d(omit) }}" }
> - { regexp: '^timeout', line: "timeout {{ TIMEOUT }}" }
>
>
>
> On 8/5/22 7:31 AM, farrukh ahmed wrote:
>
> Thanks for your reply Vladimir Botka.
>
> This is my actual case:
>
> defaults > main.yml
> ---
> # defaults file for redis_configs
> redis_config_path: /etc/redis/redis.conf
>
> # Default Params Values
> MAX_MEM: 3000
> TCP_KEEPALIVE: 0
> TCP_BACKLOG: 511
> MAX_CLIENTS: 15000
> TIMEOUT: 1500
>
>
> And this is:
>
> Tasks > main.yml
>
> ---
>
> - name: "Update Redis Parameters in {{ redis_config_path }}"
> lineinfile:
> path: "{{ redis_config_path }}"
> backrefs: yes
> regexp: "{{ item.regexp }}"
> line: "{{ item.line }}"
> with_items:
> - { regexp: '^maxmemory', line: "maxmemory {{ MAX_MEM }}mb", when: {{
> MAX_MEM }} is defined }
> - { regexp: '^tcp-keepalive', line: "tcp-keepalive {{ TCP_KEEPALIVE
> }}", when: {{ TCP_KEEPALIVE }} is defined }
> - { regexp: '^tcp-backlog', line: "tcp-backlog {{ TCP_BACKLOG }}",
> when: {{ TCP_BACKLOG }} is defined}
> - { regexp: '^maxclients', line: "maxclients {{ MAX_CLIENTS }}", when:
> {{ MAX_CLIENTS }} is defined}
> - { regexp: '^timeout', line: "timeout {{ TIMEOUT }}" }
>
>
> I want this to check if each variable inside an item is defined then make
> the changes to the line in the file, otherwise skip only those items which
> variables is not defined.
> For Instance, If I comment out the variable MAX_MEM from the defaults >
> main.yml. like below:
>
> # Default Params Values
> ##MAX_MEM: 3000
> TCP_KEEPALIVE: 0
> TCP_BACKLOG: 511
> MAX_CLIENTS: 15000
> TIMEOUT: 1500
>
> Then the execution should skip changes to the line where MAX_MEM is
> undefined, and the rest lines should be changed as they defined.
>
> Is it possible?
>
>
> On Friday, August 5, 2022 at 2:18:05 PM UTC+5 vbo...@gmail.com wrote:
>
>> On Thu, 4 Aug 2022 23:43:59 -0700 (PDT)
>> farrukh ahmed wrote:
>>
>> > with_items:
>> > - { regexp: '^text1', line: "text1 = {{ VAR1 }}", when: VAR1 is defined
>> }
>> > - { regexp: '^text2', line: "text2 = {{ VAR2 }}" }
>> > - { regexp: '^text3', line: "text3 = {{ VAR3 }}" }
>>
>> Set *default* to avoid errors, add attribute *def*, and select lines.
>> For example,
>>
>> shell> cat pb.yml
>> ---
>> - hosts: localhost
>> gather_facts: false
>> vars:
>> lines:
>> - regexp: '^text1'
>> line: 'text1 = {{ VAR1|d("undef") }}'
>> def: '{{ VAR1 is defined }}'
>> - regexp: '^text2'
>> line: 'text2 = {{ VAR2|d("undef") }}'
>> def: '{{ VAR2 is defined }}'
>> - regexp: '^text3'
>> line: 'text3 = {{ VAR3|d("undef") }}'
>> def: '{{ VAR3 is defined }}'
>> tasks:
>> - debug:
>> var: item
>> loop: "{{ lines|selectattr('def') }}"
>>
>> gives
>>
>> shell> ansible-playbook pb.yml -e VAR1=test
>>
>> PLAY [localhost]
>> *
>>
>> TASK [debug]
>> *
>> ok: [localhost] => (item={'regexp': '^text1', 'line': 'text1 = test',
>> 'def': True}) => ansible_loop_var: item item:
>> def: true
>> line: text1 = test
>> regexp: ^text1
>>
>> --
>> Vladimir Botka
>>
>
>
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Re: [ansible-project] Lineinfile - Skip/Update an item inside "with_items" using conditions
- name: "Update Redis Parameters in {{ redis_config_path }}"
lineinfile:
path: "{{ redis_config_path }}"
backrefs: yes
regexp: "{{ item.regexp }}"
line: "{{ item.line }}"
when: item.line is match(omit)
with_items:
- { regexp: '^maxmemory', line: "maxmemory {{ MAX_MEM | d(omit)
}}mb" }
- { regexp: '^tcp-keepalive', line: "tcp-keepalive {{ TCP_KEEPALIVE |
d(omit) }}" }
- { regexp: '^tcp-backlog', line: "tcp-backlog {{ TCP_BACKLOG | d(omit)
}}" }
- { regexp: '^maxclients',line: "maxclients {{ MAX_CLIENTS | d(omit)
}}" }
- { regexp: '^timeout', line: "timeout {{ TIMEOUT }}" }
On 8/5/22 7:31 AM, farrukh ahmed wrote:
Thanks for your reply Vladimir Botka.
This is my actual case:
defaults > main.yml
---
# defaults file for redis_configs
redis_config_path: /etc/redis/redis.conf
# Default Params Values
MAX_MEM: 3000
TCP_KEEPALIVE: 0
TCP_BACKLOG: 511
MAX_CLIENTS: 15000
TIMEOUT: 1500
And this is:
Tasks > main.yml
---
- name: "Update Redis Parameters in {{ redis_config_path }}"
lineinfile:
path: "{{ redis_config_path }}"
backrefs: yes
regexp: "{{ item.regexp }}"
line: "{{ item.line }}"
with_items:
- { regexp: '^maxmemory', line: "maxmemory {{ MAX_MEM }}mb", when:
{{ MAX_MEM }} is defined }
- { regexp: '^tcp-keepalive', line: "tcp-keepalive {{
TCP_KEEPALIVE }}", when: {{ TCP_KEEPALIVE }} is defined }
- { regexp: '^tcp-backlog', line: "tcp-backlog {{ TCP_BACKLOG }}",
when: {{ TCP_BACKLOG }} is defined}
- { regexp: '^maxclients', line: "maxclients {{ MAX_CLIENTS }}",
when: {{ MAX_CLIENTS }} is defined}
- { regexp: '^timeout', line: "timeout {{ TIMEOUT }}" }
I want this to check if each variable inside an item is defined then
make the changes to the line in the file, otherwise skip only those
items which variables is not defined.
For Instance, If I comment out the variable MAX_MEM from the defaults
> main.yml. like below:
# Default Params Values
##MAX_MEM: 3000
TCP_KEEPALIVE: 0
TCP_BACKLOG: 511
MAX_CLIENTS: 15000
TIMEOUT: 1500
Then the execution should skip changes to the line where MAX_MEM is
undefined, and the rest lines should be changed as they defined.
Is it possible?
On Friday, August 5, 2022 at 2:18:05 PM UTC+5 vbo...@gmail.com wrote:
On Thu, 4 Aug 2022 23:43:59 -0700 (PDT)
farrukh ahmed wrote:
> with_items:
> - { regexp: '^text1', line: "text1 = {{ VAR1 }}", when: VAR1 is
defined }
> - { regexp: '^text2', line: "text2 = {{ VAR2 }}" }
> - { regexp: '^text3', line: "text3 = {{ VAR3 }}" }
Set *default* to avoid errors, add attribute *def*, and select lines.
For example,
shell> cat pb.yml
---
- hosts: localhost
gather_facts: false
vars:
lines:
- regexp: '^text1'
line: 'text1 = {{ VAR1|d("undef") }}'
def: '{{ VAR1 is defined }}'
- regexp: '^text2'
line: 'text2 = {{ VAR2|d("undef") }}'
def: '{{ VAR2 is defined }}'
- regexp: '^text3'
line: 'text3 = {{ VAR3|d("undef") }}'
def: '{{ VAR3 is defined }}'
tasks:
- debug:
var: item
loop: "{{ lines|selectattr('def') }}"
gives
shell> ansible-playbook pb.yml -e VAR1=test
PLAY [localhost]
*
TASK [debug]
*
ok: [localhost] => (item={'regexp': '^text1', 'line': 'text1 = test',
'def': True}) => ansible_loop_var: item item:
def: true
line: text1 = test
regexp: ^text1
--
Vladimir Botka
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Re: [ansible-project] Lineinfile - Skip/Update an item inside "with_items" using conditions
On 05/08/2022 13:31, farrukh ahmed wrote:
Thanks for your reply Vladimir Botka.
This is my actual case:
defaults > main.yml
---
# defaults file for redis_configs
redis_config_path: /etc/redis/redis.conf
# Default Params Values
MAX_MEM: 3000
TCP_KEEPALIVE: 0
TCP_BACKLOG: 511
MAX_CLIENTS: 15000
TIMEOUT: 1500
And this is:
Tasks > main.yml
---
- name: "Update Redis Parameters in {{ redis_config_path }}"
lineinfile:
path: "{{ redis_config_path }}"
backrefs: yes
regexp: "{{ item.regexp }}"
line: "{{ item.line }}"
with_items:
- { regexp: '^maxmemory', line: "maxmemory {{ MAX_MEM }}mb", when: {{
MAX_MEM }} is defined }
- { regexp: '^tcp-keepalive', line: "tcp-keepalive {{ TCP_KEEPALIVE }}",
when: {{ TCP_KEEPALIVE }} is defined }
- { regexp: '^tcp-backlog', line: "tcp-backlog {{ TCP_BACKLOG }}", when: {{
TCP_BACKLOG }} is defined}
- { regexp: '^maxclients', line: "maxclients {{ MAX_CLIENTS }}", when: {{
MAX_CLIENTS }} is defined}
- { regexp: '^timeout', line: "timeout {{ TIMEOUT }}" }
I want this to check if each variable inside an item is defined then make the
changes to the line in the file, otherwise skip only those items which
variables is not defined.
For Instance, If I comment out the variable MAX_MEM from the defaults >
main.yml. like below:
# Default Params Values
##MAX_MEM: 3000
TCP_KEEPALIVE: 0
TCP_BACKLOG: 511
MAX_CLIENTS: 15000
TIMEOUT: 1500
Then the execution should skip changes to the line where MAX_MEM is undefined,
and the rest lines should be changed as they defined.
Is it possible?
Sorry, but it eludes me why you didn't come up with the actual case in the
first place. I see no point in wasting everyone's time.
Regards
Racke
On Friday, August 5, 2022 at 2:18:05 PM UTC+5 vbo...@gmail.com wrote:
On Thu, 4 Aug 2022 23:43:59 -0700 (PDT)
farrukh ahmed wrote:
> with_items:
> - { regexp: '^text1', line: "text1 = {{ VAR1 }}", when: VAR1 is defined }
> - { regexp: '^text2', line: "text2 = {{ VAR2 }}" }
> - { regexp: '^text3', line: "text3 = {{ VAR3 }}" }
Set *default* to avoid errors, add attribute *def*, and select lines.
For example,
shell> cat pb.yml
---
- hosts: localhost
gather_facts: false
vars:
lines:
- regexp: '^text1'
line: 'text1 = {{ VAR1|d("undef") }}'
def: '{{ VAR1 is defined }}'
- regexp: '^text2'
line: 'text2 = {{ VAR2|d("undef") }}'
def: '{{ VAR2 is defined }}'
- regexp: '^text3'
line: 'text3 = {{ VAR3|d("undef") }}'
def: '{{ VAR3 is defined }}'
tasks:
- debug:
var: item
loop: "{{ lines|selectattr('def') }}"
gives
shell> ansible-playbook pb.yml -e VAR1=test
PLAY [localhost]
*
TASK [debug]
*
ok: [localhost] => (item={'regexp': '^text1', 'line': 'text1 = test',
'def': True}) => ansible_loop_var: item item:
def: true
line: text1 = test
regexp: ^text1
--
Vladimir Botka
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.
--
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Linux administrator & Debian maintainer
Perl Dancer & conference hopper
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Re: [ansible-project] Lineinfile - Skip/Update an item inside "with_items" using conditions
Thanks for your reply Vladimir Botka.
This is my actual case:
defaults > main.yml
---
# defaults file for redis_configs
redis_config_path: /etc/redis/redis.conf
# Default Params Values
MAX_MEM: 3000
TCP_KEEPALIVE: 0
TCP_BACKLOG: 511
MAX_CLIENTS: 15000
TIMEOUT: 1500
And this is:
Tasks > main.yml
---
- name: "Update Redis Parameters in {{ redis_config_path }}"
lineinfile:
path: "{{ redis_config_path }}"
backrefs: yes
regexp: "{{ item.regexp }}"
line: "{{ item.line }}"
with_items:
- { regexp: '^maxmemory', line: "maxmemory {{ MAX_MEM }}mb", when: {{
MAX_MEM }} is defined }
- { regexp: '^tcp-keepalive', line: "tcp-keepalive {{ TCP_KEEPALIVE
}}", when: {{ TCP_KEEPALIVE }} is defined }
- { regexp: '^tcp-backlog', line: "tcp-backlog {{ TCP_BACKLOG }}",
when: {{ TCP_BACKLOG }} is defined}
- { regexp: '^maxclients', line: "maxclients {{ MAX_CLIENTS }}", when:
{{ MAX_CLIENTS }} is defined}
- { regexp: '^timeout', line: "timeout {{ TIMEOUT }}" }
I want this to check if each variable inside an item is defined then make
the changes to the line in the file, otherwise skip only those items which
variables is not defined.
For Instance, If I comment out the variable MAX_MEM from the defaults >
main.yml. like below:
# Default Params Values
##MAX_MEM: 3000
TCP_KEEPALIVE: 0
TCP_BACKLOG: 511
MAX_CLIENTS: 15000
TIMEOUT: 1500
Then the execution should skip changes to the line where MAX_MEM is
undefined, and the rest lines should be changed as they defined.
Is it possible?
On Friday, August 5, 2022 at 2:18:05 PM UTC+5 vbo...@gmail.com wrote:
> On Thu, 4 Aug 2022 23:43:59 -0700 (PDT)
> farrukh ahmed wrote:
>
> > with_items:
> > - { regexp: '^text1', line: "text1 = {{ VAR1 }}", when: VAR1 is defined }
> > - { regexp: '^text2', line: "text2 = {{ VAR2 }}" }
> > - { regexp: '^text3', line: "text3 = {{ VAR3 }}" }
>
> Set *default* to avoid errors, add attribute *def*, and select lines.
> For example,
>
> shell> cat pb.yml
> ---
> - hosts: localhost
> gather_facts: false
> vars:
> lines:
> - regexp: '^text1'
> line: 'text1 = {{ VAR1|d("undef") }}'
> def: '{{ VAR1 is defined }}'
> - regexp: '^text2'
> line: 'text2 = {{ VAR2|d("undef") }}'
> def: '{{ VAR2 is defined }}'
> - regexp: '^text3'
> line: 'text3 = {{ VAR3|d("undef") }}'
> def: '{{ VAR3 is defined }}'
> tasks:
> - debug:
> var: item
> loop: "{{ lines|selectattr('def') }}"
>
> gives
>
> shell> ansible-playbook pb.yml -e VAR1=test
>
> PLAY [localhost]
> *
>
> TASK [debug]
> *
> ok: [localhost] => (item={'regexp': '^text1', 'line': 'text1 = test',
> 'def': True}) => ansible_loop_var: item item:
> def: true
> line: text1 = test
> regexp: ^text1
>
> --
> Vladimir Botka
>
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Re: [ansible-project] Lineinfile - Skip/Update an item inside "with_items" using conditions
On Thu, 4 Aug 2022 23:43:59 -0700 (PDT)
farrukh ahmed wrote:
> with_items:
> - { regexp: '^text1', line: "text1 = {{ VAR1 }}", when: VAR1 is defined }
> - { regexp: '^text2', line: "text2 = {{ VAR2 }}" }
> - { regexp: '^text3', line: "text3 = {{ VAR3 }}" }
Set *default* to avoid errors, add attribute *def*, and select lines.
For example,
shell> cat pb.yml
---
- hosts: localhost
gather_facts: false
vars:
lines:
- regexp: '^text1'
line: 'text1 = {{ VAR1|d("undef") }}'
def: '{{ VAR1 is defined }}'
- regexp: '^text2'
line: 'text2 = {{ VAR2|d("undef") }}'
def: '{{ VAR2 is defined }}'
- regexp: '^text3'
line: 'text3 = {{ VAR3|d("undef") }}'
def: '{{ VAR3 is defined }}'
tasks:
- debug:
var: item
loop: "{{ lines|selectattr('def') }}"
gives
shell> ansible-playbook pb.yml -e VAR1=test
PLAY [localhost]
*
TASK [debug]
*
ok: [localhost] => (item={'regexp': '^text1', 'line': 'text1 = test',
'def': True}) => ansible_loop_var: item item:
def: true
line: text1 = test
regexp: ^text1
--
Vladimir Botka
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Description: OpenPGP digital signature
[ansible-project] Lineinfile - Skip/Update an item inside "with_items" using conditions
I have a question.
Can an item inside "with_items" or "loop" be skipped? using condition "when
some_variable is not defined" ?
Here is my play.
*- name: "Update text in the file" lineinfile:path:
/path-to-the-file/backrefs: yesregexp: "{{ item.regexp }}"line:
"{{ item.line }}" with_items:- { regexp: '^text1', line: "text1 = {{
VAR1 }}", when: VAR1 is defined } - { regexp: '^text2', line: "text2 =
{{ VAR2 }}" } - { regexp: '^text3', line: "text3 = {{ VAR3 }}" }*
What I'm trying to achieve is, it should replace the line only when VAR1
value is defined, else it should skip this item and move on to 2nd item.
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