In plain terms it is really this:
[[]']
The outside square brackets define a character set. The characters in between
mean "any of these".
Since square brackets define a character set we have to escape the inside
square brackets to be see as characters in the set.
[\[\]']
Since this is ansible we have to escape the backslashes.
[\\[\\]']
You could place any characters in that set. The regex matches *any* of them any
number of times.
For example I could use [walter] and it would look for any of those characters.
You also can use ranges like [a-dv-z]. This all follows Python regex rules.
Walter
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Walter Rowe, Division Chief
Infrastructure Services Division
Mobile: 202.355.4123
On Jan 10, 2024, at 11:03 AM, Dimitri Yioulos <dyiou...@gmail.com> wrote:
Walter, to further my knowledge, would you mind explaining further what this
regex \"([\\[\\]'])\",' does? Is the regex specifi to regex_replace?
On Wednesday, January 10, 2024 at 10:33:53 AM UTC-5 Dimitri Yioulos wrote:
Walter, that worked, and thanks so much! I both appreciate the regex solution,
and it simplification. I also probably be able to reuse this, with some
modifications, depending on what I'm trying to accomplish. Double win. Thanks
again!
On Wednesday, January 10, 2024 at 10:14:32 AM UTC-5 Rowe, Walter P. (Fed) wrote:
This works.
regex_replace(\"([\\[\\]'])\",'')
Escaping the double quotes that define the search regex gets around needing to
escape the single quote. Also note that I collapsed your search into a single
character set.
---
- name: test
hosts: localhost
become: false
gather_facts: false
vars:
mystr: "['/First Datacenter/vm/Prod-SRM']"
tasks:
- debug: msg="{{ mystr | regex_replace(\"([\\[\\]'])\",'') }}"
% ansible-playbook -i localhost, foo.yml
PLAY [test]
************************************************************************************************************
TASK [debug]
***********************************************************************************************************
ok: [localhost] => {
"msg": "/First Datacenter/vm/Prod-SRM"
}
PLAY RECAP
*************************************************************************************************************
localhost : ok=1 changed=0 unreachable=0 failed=0
skipped=0 rescued=0 ignored=0
The solution was found on this stack overflow page.
https://stackoverflow.com/questions/52495838/ansible-remove-the-single-quote-character-from-a-string
Walter
--
Walter Rowe, Division Chief
Infrastructure Services Division
Mobile: 202.355.4123<tel:(202)%20355-4123>
On Jan 10, 2024, at 9:27 AM, Rowe, Walter P. (Fed) <walte...@nist.gov> wrote:
Have you tried:
regex_replace('(\\[)|(\\])|(\\')', '')
Walter
--
Walter Rowe, Division Chief
Infrastructure Services Division
Mobile: 202.355.4123<tel:(202)%20355-4123>
On Jan 10, 2024, at 9:08 AM, Dimitri Yioulos <dyio...@gmail.com> wrote:
Hello, all.
I'm working with VMware modules in removing snapshots across all vCenter
folders. In order for this to work, I first have to get the folders in which
the virtual machines live. Here's the playbook:
---
- hosts: all
become: false
gather_facts: false
vars_prompt:
- name: "vcenter_username"
prompt: "Enter your Vcenter username"
private: no
- name: "vcenter_password"
prompt: "Enter your VMware password"
private: yes
vars:
vcenter_hostname: vcenter1.mycompany.com<http://vcenter1.mycompany.com/>
vcenter_datacenter: First Datacenter
tasks:
- name: Find virtual machine's folder name
vmware_guest_find:
hostname: "{{ vcenter_hostname }}"
username: "{{ vcenter_username }}"
password: "{{ vcenter_password }}"
name: "{{ inventory_hostname }}"
validate_certs: False
delegate_to: localhost
ignore_errors: true
register: vm_facts
tags:
- folder
- name: Show folders
ansible.builtin.debug:
msg: "{{ vm_facts.folders }}"
tags:
- folder
- name: Remove all snapshots of a VM
community.vmware.vmware_guest_snapshot:
hostname: "{{ vcenter_hostname }}"
username: "{{ vcenter_username }}"
password: "{{ vcenter_password }}"
datacenter: "{{ vcenter_datacenter }}"
folder: "{{ vm_facts.folders | regex_replace('(\\[)|(\\])', '') }}"
name: "{{ inventory_hostname }}"
state: remove_all
validate_certs: False
delegate_to: localhost
Previous to my having employed regex_replace, this is the output I'd get, e.g.,
for a vm's folder:
"['/First Datacenter/vm/Prod-SRM']"
The problem with that is [' and ']. They can't be part pf the folder name.
After employing regex-replace, the output is:
" '/Bedford Datacenter/vm/Bedford-Prod-SRM' "
Try as I may, I've not been able to find a way to also remove the single quotes
(the double quotes can remain). I've tried appending to the regex_replace, but
every piece of code i've used has failed.
regex_replace('(\\[)|(\\])'|(addlcodehere), '') }}
Your kinf assistance requested.
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