Auralan,
Wondering if jinja2 typecasting could be attempted for your use case
Reference:
https://stackoverflow.com/questions/39938323/jinja-convert-string-to-integer?rq=1
Gaurav Thosani
On Thu, Aug 15, 2019 at 3:09 PM Auralan <aurall....@gmail.com> wrote:
> Hi everyone,
>
> I've been struggling to get the difference between 2 lists in Ansible.
> List 1 contains numbers as integers. List 2 contains numbers as strings.
> These obviously cannot be filtered with difference().
>
> Does anyone know a workaround? Or a point where I can make a change in my
> parsing to remediate this difference?
> We are using Ansible 2.7.10. Upgrading is an option if needed. My setup
> is below. Thank you for your time!
>
>
>
> List 1 comes from parsing a JSON document.
>
>
> - name: "Create list from JSON source."
> set_fact:
> cmdb_list: "{{ cmdb_call.json.results | map(attribute='vid') | list
> }}"
>
> # Debug of cmdb_list. Output shortened for readability.
> ok: [localhost] => {
> "msg": [
> [
> 2141,
> 2142,
> 2143
> ]
> ]
> }
>
>
>
> List 2 comes from parsing a XML document in 2 steps.
>
> - name: "Create list from XML source. Step 1."
> xml:
> xmlstring: "{{ device_call.ansible_facts.ansible_net_config }}"
> xpath: //vlan-id
> content: "text"
> register: device_call_filtered
>
> # Debug of device_call_filtered. Output of matches and xmlstring keys
> shortened for readability.
> ok: [some_switch] => {
> "msg": [
> {
> "actions": {
> "namespaces": {},
> "state": "present",
> "xpath": "//vlan-id"
> },
> "changed": false,
> "count": 18,
> "failed": false,
> "matches": [
> {
> "vlan-id": "2141"
> },
> {
> "vlan-id": "2056"
> }
> ],
> "msg": 18,
> "xmlstring": "<?xml version='1.0' encoding='UTF-8'?>\\n
> <configuration>\\n <vlans>\\n <vlan>\\n <name>some_vlan</name>\\n
> <vlan-id>2141</vlan-id>\\n </vlan>\\n </vlans>\\n </configuration>"
> }
> ]
> }
>
> - name: "Create list of configured VLANs per Device."
> set_fact:
> device_list: "{{ device_call_filtered.matches |
> map(attribute='vlan-id') | list }}"
> delegate_facts: true
>
> # Debug of device_list. Output shortened for readability.
> ok: [some_switch] => {
> "msg": [
> [
> "2141",
> "2056"
> ]
> ]
> }
>
> - name: "Get difference."
> set_fact:
> difference_list: "{{ cmdb_list | difference(device_list) }}"
>
> ^ So that's not going to work in this state.
>
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