Re: [ansible-project] merging lists
On Tue, 18 Apr 2023 10:40:40 -0400
Todd Lewis wrote:
> - debug: msg="{{ [list_12, list_34, list_56] | sum(start=[]) }}"
Isn't *flatten* simpler?
- debug: msg="{{ [list_12, list_34, list_56] | flatten }}"
--
Vladimir Botka
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Re: [ansible-project] merging lists
And if you really wanted only unique list items this also works ...
- debug: msg="{{ [listb] | sum(start=lista) | unique }}"
Walter
--
Walter Rowe, Division Chief
Infrastructure Services, OISM
Mobile: 202.355.4123
On Apr 18, 2023, at 12:44 PM, 'Rowe, Walter P. (Fed)' via Ansible Project
wrote:
I just tested and this also works.
- debug: msg="{{ [listb] | sum(start=lista) }}"
Walter
On Apr 18, 2023, at 11:01 AM, Michael DiDomenico wrote:
agreed, brillant. i'll give that a whirl, but it looks like exactly
what i'm after. thanks
On Tue, Apr 18, 2023 at 10:40 AM Todd Lewis wrote:
Also, by using the sum() filter:
[utoddl@tango ansible]$ cat foo.yml
---
- name: test lists
become: false
gather_facts: false
hosts: localhost
vars:
list_12:
- { one: 'str1', two: 'str2' }
list_34:
- { three: 'str3', four: 'str4' }
list_56:
- { five: 'str5', six: 'str6' }
tasks:
- debug: msg="[ {{ list_12, list_34, list_56 }} ]"
- debug: msg="{{ [list_12, list_34, list_56] | sum(start=[]) }}"
[utoddl@tango ansible]$ ansible-playbook foo.yml
PLAY [test lists]
***
TASK [debug]
ok: [localhost] => {
"msg": [
[
[
{
"one": "str1",
"two": "str2"
}
],
[
{
"four": "str4",
"three": "str3"
}
],
[
{
"five": "str5",
"six": "str6"
}
]
]
]
}
TASK [debug]
ok: [localhost] => {
"msg": [
{
"one": "str1",
"two": "str2"
},
{
"four": "str4",
"three": "str3"
},
{
"five": "str5",
"six": "str6"
}
]
}
PLAY RECAP
**
localhost : ok=2changed=0unreachable=0failed=0
skipped=0rescued=0ignored=0
On 4/18/23 9:10 AM, 'Rowe, Walter P. (Fed)' via Ansible Project wrote:
% cat foo.yml
---
- name: test lists
become: false
gather_facts: false
hosts: localhost
vars:
lista:
- { one: 'str1', two: 'str2' }
listb:
- { three: 'str3', four: 'str4' }
tasks:
- debug: var=lista
- debug: var=listb
- set_fact:
listb: [ "{{ lista + listb }}" ]
- debug: var=listb
% ansible-playbook foo.yml
PLAY [test lists]
**
TASK [debug]
***
ok: [localhost] => {
"lista": [
{
"one": "str1",
"two": "str2"
}
]
}
TASK [debug]
***
ok: [localhost] => {
"listb": [
{
"four": "str4",
"three": "str3"
}
]
}
TASK [set_fact]
ok: [localhost]
TASK [debug]
***
ok: [localhost] => {
"listb": [
[
{
"one": "str1",
"two": "str2"
},
{
"four": "str4",
"three": "str3"
}
]
]
}
PLAY RECAP
*
localhost : ok=4changed=0unreachable=0failed=0
skipped=0rescued=0ignored=0
Walter
--
Walter Rowe, Division Chief
Infrastructure Services, OISM
Mobile: 202.355.4123
On Apr 18, 2023, at 9:07 AM, Michael DiDomenico wrote:
On Tue, Apr 18, 2023 at 8:56 AM 'Rowe, Walter P. (Fed)' via Ansible
Project wrote:
TASK [debug]
***
ok: [localhost] => {
"listb": [
[
{
"one": "str1",
"two": "str2"
},
{
"one": "str1",
"two": "str2"
}
]
]
}
i got to this point as well in my testing, but the double list
expansion of listb is a problem.
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Re: [ansible-project] merging lists
I just tested and this also works.
- debug: msg="{{ [listb] | sum(start=lista) }}"
Walter
On Apr 18, 2023, at 11:01 AM, Michael DiDomenico wrote:
agreed, brillant. i'll give that a whirl, but it looks like exactly
what i'm after. thanks
On Tue, Apr 18, 2023 at 10:40 AM Todd Lewis wrote:
Also, by using the sum() filter:
[utoddl@tango ansible]$ cat foo.yml
---
- name: test lists
become: false
gather_facts: false
hosts: localhost
vars:
list_12:
- { one: 'str1', two: 'str2' }
list_34:
- { three: 'str3', four: 'str4' }
list_56:
- { five: 'str5', six: 'str6' }
tasks:
- debug: msg="[ {{ list_12, list_34, list_56 }} ]"
- debug: msg="{{ [list_12, list_34, list_56] | sum(start=[]) }}"
[utoddl@tango ansible]$ ansible-playbook foo.yml
PLAY [test lists]
***
TASK [debug]
ok: [localhost] => {
"msg": [
[
[
{
"one": "str1",
"two": "str2"
}
],
[
{
"four": "str4",
"three": "str3"
}
],
[
{
"five": "str5",
"six": "str6"
}
]
]
]
}
TASK [debug]
ok: [localhost] => {
"msg": [
{
"one": "str1",
"two": "str2"
},
{
"four": "str4",
"three": "str3"
},
{
"five": "str5",
"six": "str6"
}
]
}
PLAY RECAP
**
localhost : ok=2changed=0unreachable=0failed=0
skipped=0rescued=0ignored=0
On 4/18/23 9:10 AM, 'Rowe, Walter P. (Fed)' via Ansible Project wrote:
% cat foo.yml
---
- name: test lists
become: false
gather_facts: false
hosts: localhost
vars:
lista:
- { one: 'str1', two: 'str2' }
listb:
- { three: 'str3', four: 'str4' }
tasks:
- debug: var=lista
- debug: var=listb
- set_fact:
listb: [ "{{ lista + listb }}" ]
- debug: var=listb
% ansible-playbook foo.yml
PLAY [test lists]
**
TASK [debug]
***
ok: [localhost] => {
"lista": [
{
"one": "str1",
"two": "str2"
}
]
}
TASK [debug]
***
ok: [localhost] => {
"listb": [
{
"four": "str4",
"three": "str3"
}
]
}
TASK [set_fact]
ok: [localhost]
TASK [debug]
***
ok: [localhost] => {
"listb": [
[
{
"one": "str1",
"two": "str2"
},
{
"four": "str4",
"three": "str3"
}
]
]
}
PLAY RECAP
*
localhost : ok=4changed=0unreachable=0failed=0
skipped=0rescued=0ignored=0
Walter
--
Walter Rowe, Division Chief
Infrastructure Services, OISM
Mobile: 202.355.4123
On Apr 18, 2023, at 9:07 AM, Michael DiDomenico wrote:
On Tue, Apr 18, 2023 at 8:56 AM 'Rowe, Walter P. (Fed)' via Ansible
Project wrote:
TASK [debug]
***
ok: [localhost] => {
"listb": [
[
{
"one": "str1",
"two": "str2"
},
{
"one": "str1",
"two": "str2"
}
]
]
}
i got to this point as well in my testing, but the double list
expansion of listb is a problem.
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Re: [ansible-project] merging lists
agreed, brillant. i'll give that a whirl, but it looks like exactly
what i'm after. thanks
On Tue, Apr 18, 2023 at 10:40 AM Todd Lewis wrote:
>
> Also, by using the sum() filter:
>
> [utoddl@tango ansible]$ cat foo.yml
> ---
> - name: test lists
> become: false
> gather_facts: false
> hosts: localhost
> vars:
> list_12:
> - { one: 'str1', two: 'str2' }
> list_34:
> - { three: 'str3', four: 'str4' }
> list_56:
> - { five: 'str5', six: 'str6' }
> tasks:
> - debug: msg="[ {{ list_12, list_34, list_56 }} ]"
> - debug: msg="{{ [list_12, list_34, list_56] | sum(start=[]) }}"
>
> [utoddl@tango ansible]$ ansible-playbook foo.yml
>
> PLAY [test lists]
> ***
>
> TASK [debug]
>
> ok: [localhost] => {
> "msg": [
> [
> [
> {
> "one": "str1",
> "two": "str2"
> }
> ],
> [
> {
> "four": "str4",
> "three": "str3"
> }
> ],
> [
> {
> "five": "str5",
> "six": "str6"
> }
> ]
> ]
> ]
> }
>
> TASK [debug]
>
> ok: [localhost] => {
> "msg": [
> {
> "one": "str1",
> "two": "str2"
> },
> {
> "four": "str4",
> "three": "str3"
> },
> {
> "five": "str5",
> "six": "str6"
> }
> ]
> }
>
> PLAY RECAP
> **
> localhost : ok=2changed=0unreachable=0failed=0
> skipped=0rescued=0ignored=0
>
>
> On 4/18/23 9:10 AM, 'Rowe, Walter P. (Fed)' via Ansible Project wrote:
>
>
> % cat foo.yml
>
> ---
>
> - name: test lists
>
> become: false
>
> gather_facts: false
>
> hosts: localhost
>
> vars:
>
> lista:
>
> - { one: 'str1', two: 'str2' }
>
>
> listb:
>
> - { three: 'str3', four: 'str4' }
>
> tasks:
>
> - debug: var=lista
>
> - debug: var=listb
>
> - set_fact:
>
> listb: [ "{{ lista + listb }}" ]
>
> - debug: var=listb
>
>
>
>
> % ansible-playbook foo.yml
>
>
> PLAY [test lists]
> **
>
>
> TASK [debug]
> ***
>
> ok: [localhost] => {
>
> "lista": [
>
> {
>
> "one": "str1",
>
> "two": "str2"
>
> }
>
> ]
>
> }
>
>
> TASK [debug]
> ***
>
> ok: [localhost] => {
>
> "listb": [
>
> {
>
> "four": "str4",
>
> "three": "str3"
>
> }
>
> ]
>
> }
>
>
> TASK [set_fact]
>
>
> ok: [localhost]
>
>
> TASK [debug]
> ***
>
> ok: [localhost] => {
>
> "listb": [
>
> [
>
> {
>
> "one": "str1",
>
> "two": "str2"
>
> },
>
> {
>
> "four": "str4",
>
> "three": "str3"
>
> }
>
> ]
>
> ]
>
> }
>
>
> PLAY RECAP
> *
>
> localhost : ok=4changed=0unreachable=0failed=0
> skipped=0rescued=0ignored=0
>
>
>
> Walter
> --
> Walter Rowe, Division Chief
> Infrastructure Services, OISM
> Mobile: 202.355.4123
>
> On Apr 18, 2023, at 9:07 AM, Michael DiDomenico
> wrote:
>
> On Tue, Apr 18, 2023 at 8:56 AM 'Rowe, Walter P. (Fed)' via Ansible
> Project wrote:
>
>
> TASK [debug]
> ***
> ok: [localhost] => {
>"listb": [
>[
>{
>"one": "str1",
>"two": "str2"
>},
>{
>"one": "str1",
>"two": "str2"
>}
>]
>]
> }
>
>
> i got to this point as well in my testing, but the double list
> expansion of listb is a problem.
>
> --
> 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
Re: [ansible-project] merging lists
Brilliant!
Walter
--
Walter Rowe, Division Chief
Infrastructure Services, OISM
Mobile: 202.355.4123
On Apr 18, 2023, at 10:40 AM, Todd Lewis wrote:
Also, by using the sum() filter:
[utoddl@tango ansible]$ cat foo.yml
---
- name: test lists
become: false
gather_facts: false
hosts: localhost
vars:
list_12:
- { one: 'str1', two: 'str2' }
list_34:
- { three: 'str3', four: 'str4' }
list_56:
- { five: 'str5', six: 'str6' }
tasks:
- debug: msg="[ {{ list_12, list_34, list_56 }} ]"
- debug: msg="{{ [list_12, list_34, list_56] | sum(start=[]) }}"
[utoddl@tango ansible]$ ansible-playbook foo.yml
PLAY [test lists]
***
TASK [debug]
ok: [localhost] => {
"msg": [
[
[
{
"one": "str1",
"two": "str2"
}
],
[
{
"four": "str4",
"three": "str3"
}
],
[
{
"five": "str5",
"six": "str6"
}
]
]
]
}
TASK [debug]
ok: [localhost] => {
"msg": [
{
"one": "str1",
"two": "str2"
},
{
"four": "str4",
"three": "str3"
},
{
"five": "str5",
"six": "str6"
}
]
}
PLAY RECAP
**
localhost : ok=2changed=0unreachable=0failed=0
skipped=0rescued=0ignored=0
On 4/18/23 9:10 AM, 'Rowe, Walter P. (Fed)' via Ansible Project wrote:
% cat foo.yml
---
- name: test lists
become: false
gather_facts: false
hosts: localhost
vars:
lista:
- { one: 'str1', two: 'str2' }
listb:
- { three: 'str3', four: 'str4' }
tasks:
- debug: var=lista
- debug: var=listb
- set_fact:
listb: [ "{{ lista + listb }}" ]
- debug: var=listb
% ansible-playbook foo.yml
PLAY [test lists]
**
TASK [debug]
***
ok: [localhost] => {
"lista": [
{
"one": "str1",
"two": "str2"
}
]
}
TASK [debug]
***
ok: [localhost] => {
"listb": [
{
"four": "str4",
"three": "str3"
}
]
}
TASK [set_fact]
ok: [localhost]
TASK [debug]
***
ok: [localhost] => {
"listb": [
[
{
"one": "str1",
"two": "str2"
},
{
"four": "str4",
"three": "str3"
}
]
]
}
PLAY RECAP
*
localhost : ok=4changed=0unreachable=0failed=0
skipped=0rescued=0ignored=0
Walter
--
Walter Rowe, Division Chief
Infrastructure Services, OISM
Mobile: 202.355.4123
On Apr 18, 2023, at 9:07 AM, Michael DiDomenico
wrote:
On Tue, Apr 18, 2023 at 8:56 AM 'Rowe, Walter P. (Fed)' via Ansible
Project
wrote:
TASK [debug]
***
ok: [localhost] => {
"listb": [
[
{
"one": "str1",
"two": "str2"
},
{
"one": "str1",
"two": "str2"
}
]
]
}
i got to this point as well in my testing, but the double list
expansion of listb is a problem.
--
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ansible-project+unsubscr...@googlegroups.com.
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Re: [ansible-project] merging lists
Also, by using the sum() filter:
[utoddl@tango ansible]$ cat foo.yml
---
- name: test lists
become: false
gather_facts: false
hosts: localhost
vars:
list_12:
- { one: 'str1', two: 'str2' }
list_34:
- { three: 'str3', four: 'str4' }
list_56:
- { five: 'str5', six: 'str6' }
tasks:
- debug: msg="[ {{ list_12, list_34, list_56 }} ]"
- debug: msg="{{ [list_12, list_34, list_56] | sum(start=[]) }}"
[utoddl@tango ansible]$ ansible-playbook foo.yml
PLAY [test lists]
***
TASK [debug]
ok: [localhost] => {
"msg": [
[
[
{
"one": "str1",
"two": "str2"
}
],
[
{
"four": "str4",
"three": "str3"
}
],
[
{
"five": "str5",
"six": "str6"
}
]
]
]
}
TASK [debug]
ok: [localhost] => {
"msg": [
{
"one": "str1",
"two": "str2"
},
{
"four": "str4",
"three": "str3"
},
{
"five": "str5",
"six": "str6"
}
]
}
PLAY RECAP
**
localhost : ok=2changed=0unreachable=0failed=0
skipped=0rescued=0ignored=0
On 4/18/23 9:10 AM, 'Rowe, Walter P. (Fed)' via Ansible Project wrote:
*% cat foo.yml *
---
- name: test lists
become: false
gather_facts: false
hosts: localhost
vars:
lista:
- { one: 'str1', two: 'str2' }
* listb:*
* - { three: 'str3', four: 'str4' }*
tasks:
- debug: var=lista
- debug: var=listb
- set_fact:
listb: [ "{{ lista + listb }}" ]
- debug: var=listb
*% ansible-playbook foo.yml*
PLAY [test lists]
**
TASK [debug]
***
ok: [localhost] => {
"lista": [
{
"one": "str1",
"two": "str2"
}
]
}
TASK [debug]
***
ok: [localhost] => {
"listb": [
{
"four": "str4",
"three": "str3"
}
]
}
TASK [set_fact]
ok: [localhost]
TASK [debug]
***
ok: [localhost] => {
"listb": [
[
{
"one": "str1",
"two": "str2"
},
{
"four": "str4",
"three": "str3"
}
]
]
}
PLAY RECAP
*
localhost : ok=4 changed=0 unreachable=0
failed=0 skipped=0 rescued=0 ignored=0
Walter
--
Walter Rowe, Division Chief
Infrastructure Services, OISM
Mobile: 202.355.4123
On Apr 18, 2023, at 9:07 AM, Michael DiDomenico
wrote:
On Tue, Apr 18, 2023 at 8:56 AM 'Rowe, Walter P. (Fed)' via Ansible
Project wrote:
TASK [debug]
***
ok: [localhost] => {
"listb": [
[
{
"one": "str1",
"two": "str2"
},
{
"one": "str1",
"two": "str2"
}
]
]
}
i got to this point as well in my testing, but the double list
expansion of listb is a problem.
--
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Re: [ansible-project] merging lists
% cat foo.yml
---
- name: test lists
become: false
gather_facts: false
hosts: localhost
vars:
lista:
- { one: 'str1', two: 'str2' }
listb:
- { three: 'str3', four: 'str4' }
tasks:
- debug: var=lista
- debug: var=listb
- set_fact:
listb: [ "{{ lista + listb }}" ]
- debug: var=listb
% ansible-playbook foo.yml
PLAY [test lists]
**
TASK [debug]
***
ok: [localhost] => {
"lista": [
{
"one": "str1",
"two": "str2"
}
]
}
TASK [debug]
***
ok: [localhost] => {
"listb": [
{
"four": "str4",
"three": "str3"
}
]
}
TASK [set_fact]
ok: [localhost]
TASK [debug]
***
ok: [localhost] => {
"listb": [
[
{
"one": "str1",
"two": "str2"
},
{
"four": "str4",
"three": "str3"
}
]
]
}
PLAY RECAP
*
localhost : ok=4changed=0unreachable=0failed=0
skipped=0rescued=0ignored=0
Walter
--
Walter Rowe, Division Chief
Infrastructure Services, OISM
Mobile: 202.355.4123
On Apr 18, 2023, at 9:07 AM, Michael DiDomenico wrote:
On Tue, Apr 18, 2023 at 8:56 AM 'Rowe, Walter P. (Fed)' via Ansible
Project wrote:
TASK [debug]
***
ok: [localhost] => {
"listb": [
[
{
"one": "str1",
"two": "str2"
},
{
"one": "str1",
"two": "str2"
}
]
]
}
i got to this point as well in my testing, but the double list
expansion of listb is a problem.
--
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
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Re: [ansible-project] merging lists
This isn't a double expansion of listb. lista and listb happen to have the same
values. change one of them and run the playbook to prove it.
Walter
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Infrastructure Services, OISM
Mobile: 202.355.4123
On Apr 18, 2023, at 9:07 AM, Michael DiDomenico wrote:
On Tue, Apr 18, 2023 at 8:56 AM 'Rowe, Walter P. (Fed)' via Ansible
Project wrote:
TASK [debug]
***
ok: [localhost] => {
"listb": [
[
{
"one": "str1",
"two": "str2"
},
{
"one": "str1",
"two": "str2"
}
]
]
}
i got to this point as well in my testing, but the double list
expansion of listb is a problem.
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Re: [ansible-project] merging lists
On Tue, Apr 18, 2023 at 8:56 AM 'Rowe, Walter P. (Fed)' via Ansible
Project wrote:
>
> TASK [debug]
> ***
> ok: [localhost] => {
> "listb": [
> [
> {
> "one": "str1",
> "two": "str2"
> },
> {
> "one": "str1",
> "two": "str2"
> }
> ]
> ]
> }
i got to this point as well in my testing, but the double list
expansion of listb is a problem.
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Re: [ansible-project] merging lists
---
- name: test lists
become: false
gather_facts: false
hosts: localhost
vars:
lista:
- { one: 'str1', two: 'str2' }
listb:
- { one: 'str1', two: 'str2' }
tasks:
- debug: var=lista
- debug: var=listb
- set_fact:
listb: [ "{{ lista + listb }}" ]
- debug: var=listb
% ansible-playbook foo.yml
PLAY [test lists]
**
TASK [debug]
***
ok: [localhost] => {
"lista": [
{
"one": "str1",
"two": "str2"
}
]
}
TASK [debug]
***
ok: [localhost] => {
"listb": [
{
"one": "str1",
"two": "str2"
}
]
}
TASK [set_fact]
ok: [localhost]
TASK [debug]
***
ok: [localhost] => {
"listb": [
[
{
"one": "str1",
"two": "str2"
},
{
"one": "str1",
"two": "str2"
}
]
]
}
PLAY RECAP
*
localhost : ok=4changed=0unreachable=0failed=0
skipped=0rescued=0ignored=0
Walter
--
Walter Rowe, Division Chief
Infrastructure Services, OISM
Mobile: 202.355.4123
On Apr 17, 2023, at 6:22 PM, Michael DiDomenico wrote:
i want to do this, but i'm not getting exactly what i want
lista:
- { one: 'str1', two: 'str2' }
listb:
- "{{ lookup('vars','lista') }}"
- { one: 'str1', two: 'str2' }
the output i want is
listb:
{ one: 'str1', two: 'str2' },
{ one: 'str1', two: 'str2' }
but what i get is
listb:
[ { one: 'str1', two: 'str2' } ],
{ one: 'str1', two: 'str2' }
is there a way to merge the two lists?
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Re: [ansible-project] merging lists
On Tue, 18 Apr 2023 at 00:22, Michael DiDomenico
wrote:
> i want to do this, but i'm not getting exactly what i want
>
> lista:
> - { one: 'str1', two: 'str2' }
>
> listb:
> - "{{ lookup('vars','lista') }}"
> - { one: 'str1', two: 'str2' }
>
> the output i want is
>
> listb:
> { one: 'str1', two: 'str2' },
> { one: 'str1', two: 'str2' }
>
> but what i get is
>
> listb:
> [ { one: 'str1', two: 'str2' } ],
> { one: 'str1', two: 'str2' }
>
> is there a way to merge the two lists?
>
If lista will only ever contain a single item, then listb could be just
listb:
- "{{ lista[0] }}"
- { one: 'str1', two: 'str2' }
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Re: [ansible-project] merging lists
On Mon, 17 Apr 2023 19:29:02 -0400
Michael DiDomenico wrote:
> thanks for the help, but that's not exactly what i am after. i'm
> attempting to avoid creating a third variable. but maybe that's the
> only way
You can avoid the third variable if you want to. For example,
a: [1, 2, 3]
b: "{{ a + [4, 5, 6] }}"
will add the lists
b: [1, 2, 3, 4, 5, 6]
--
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pgpOQ29aUZfYl.pgp
Description: OpenPGP digital signature
Re: [ansible-project] merging lists
thanks for the help, but that's not exactly what i am after. i'm
attempting to avoid creating a third variable. but maybe that's the
only way
On Mon, Apr 17, 2023 at 7:05 PM Vladimir Botka wrote:
>
> On Mon, 17 Apr 2023 18:22:10 -0400
> Michael DiDomenico wrote:
>
> > lista:
> > - { one: 'str1', two: 'str2' }
> >
> > listb:
> > - "{{ lookup('vars','lista') }}"
> > - { one: 'str1', two: 'str2' }
> >
> > the output i want is
> >
> > listb:
> > { one: 'str1', two: 'str2' },
> > { one: 'str1', two: 'str2' }
> >
> > but what i get is
> >
> > listb:
> > [ { one: 'str1', two: 'str2' } ],
> > { one: 'str1', two: 'str2' }
>
> The lookup *vars* is not necessary. Reference the variable
>
> listb:
> - "{{ lista }}"
> - {one: str1, two: str2}
>
> You should get
>
> listb:
> - - one: str1
> two: str2
> - one: str1
> two: str2
>
> This is correct. The first item on the list *listb* is list *lista*.
> If you put two items into the list *lista*
>
> lista:
> - one: str1
> two: str2
> - ccc: str3
> ddd: str4
>
> you'll get
>
> listb:
> - - one: str1
> two: str2
> - ccc: str3
> ddd: str4
> - one: str1
> two: str2
>
> You can *flatten* the list
>
>listc: "{{ listb|flatten }}"
>
> gives
>
> listc:
> - one: str1
> two: str2
> - ccc: str3
> ddd: str4
> - one: str1
> two: str2
>
> However, a simpler option is adding lists. For example, given two
> lists
>
> lista:
> - {one: str1, two: str2}
> - {ccc: str3, ddd: str4}
> listb:
> - {one: str1, two: str2}
>
> Declare the list *listc*. This will merge the two lists
>
> listc: "{{ lista + listb }}"
>
>
> --
> Vladimir Botka
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Re: [ansible-project] merging lists
On Mon, 17 Apr 2023 18:22:10 -0400
Michael DiDomenico wrote:
> lista:
> - { one: 'str1', two: 'str2' }
>
> listb:
> - "{{ lookup('vars','lista') }}"
> - { one: 'str1', two: 'str2' }
>
> the output i want is
>
> listb:
> { one: 'str1', two: 'str2' },
> { one: 'str1', two: 'str2' }
>
> but what i get is
>
> listb:
> [ { one: 'str1', two: 'str2' } ],
> { one: 'str1', two: 'str2' }
The lookup *vars* is not necessary. Reference the variable
listb:
- "{{ lista }}"
- {one: str1, two: str2}
You should get
listb:
- - one: str1
two: str2
- one: str1
two: str2
This is correct. The first item on the list *listb* is list *lista*.
If you put two items into the list *lista*
lista:
- one: str1
two: str2
- ccc: str3
ddd: str4
you'll get
listb:
- - one: str1
two: str2
- ccc: str3
ddd: str4
- one: str1
two: str2
You can *flatten* the list
listc: "{{ listb|flatten }}"
gives
listc:
- one: str1
two: str2
- ccc: str3
ddd: str4
- one: str1
two: str2
However, a simpler option is adding lists. For example, given two
lists
lista:
- {one: str1, two: str2}
- {ccc: str3, ddd: str4}
listb:
- {one: str1, two: str2}
Declare the list *listc*. This will merge the two lists
listc: "{{ lista + listb }}"
--
Vladimir Botka
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Description: OpenPGP digital signature
[ansible-project] merging lists
i want to do this, but i'm not getting exactly what i want
lista:
- { one: 'str1', two: 'str2' }
listb:
- "{{ lookup('vars','lista') }}"
- { one: 'str1', two: 'str2' }
the output i want is
listb:
{ one: 'str1', two: 'str2' },
{ one: 'str1', two: 'str2' }
but what i get is
listb:
[ { one: 'str1', two: 'str2' } ],
{ one: 'str1', two: 'str2' }
is there a way to merge the two lists?
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