I would not run a shell script with the command module. You should use the
script module instead. But ideally if you have the option use the
mongodb_shard module.
This piece of code actually uses with_sequence to illustrate how to
generate a sequence of numbers that will then used to populate port numbers
dynamically:
---
- name: Add shards
hosts: localhost
connection: local
gather_facts: false
vars:
start_port: 10000
total_shards: 3
tasks:
- name: Add mongodb shards
community.mongodb.mongodb_shard:
login_user: admin
login_password: admin
shard: "localhost:{{ item|int + start_port }}"
state: present
with_sequence: start=0 end="{{ total_shards - 1 }}"
El mié, 20 oct 2021 a las 10:38, Hareesh Vn (<[email protected]>)
escribió:
>
> can you please help me changing below code as per your suggestion of
> with_sequence?
>
> - name: "Creating the database"
> command: "sh /tmp/add_shard.sh {{item}} {{mongo_user}}
> {{mongo_password}}"
> register: mongo_db_shard_add
> ignore_errors: true
> with_items: "{{P_NODE}}"
> when: ansible_default_ipv4_address ==== "{{item}}"
> On Wednesday, 20 October 2021 at 14:55:18 UTC+5:30 [email protected]
> wrote:
>
>> You can define a data structure, a dict for example containing number of
>> shards per server an individual shard settings etc. Then just use
>> with_sequence to iterate from 1 to length of the aforementioned shards list.
>>
>> On Wed, Oct 20, 2021, 08:02 Hareesh Vn <[email protected]> wrote:
>>
>>> Hi Team
>>>
>>> Below is problem description on which i need help.
>>>
>>> I am adding single mongo db shards by running below shell command --
>>> this is working fine to install on one server
>>> - name: "Creating the database"
>>> command: "sh /tmp/add_shard.sh {{item}} {{mongo_user}}
>>> {{mongo_password}}"
>>> register: mongo_db_shard_add
>>> ignore_errors: true
>>> with_items: "{{P_NODE}}"
>>> when: ansible_default_ipv4_address ==== "{{item}}"
>>>
>>> here my Question :
>>>
>>> Now i want to run add mutiple shards on multiple servers (example: add 3
>>> shards on each servers). So how to change above code?
>>>
>>> Basically , i want to run below command repeatedly in loop for "n'
>>> number of time where n=number of shards to be added.
>>> Also i should pass 'n' as input while running playbook
>>>
>>> command: "sh /tmp/add_shard.sh {{item}}
>>> {{mongo_user}} {{mongo_password}} {{n}}"
>>> where "n" is number of shards to be created"
>>>
>>>
>>> Thanks
>>> Hareesh
>>>
>>>
>>>
>>>
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