Hello all,
I'm struggling to find a way to use *[] inside a query to traverse an
Ansible variable.
The content of the variable comes from a JSON file. The error message I get
is "*template error while templating string: expected name or number.
String: {{ result.root.*[].component }}*".
Let's say the variable (result) contains the following JSON content:
{
"root": {
"DEV": [
{
"component": {
"artifactId": "component-1",
"version": "1.0.0"
}
}
],
"STG": [
{
"component": {
"artifactId": "component-2",
"version": "1.0.1"
},
"runtimeConf": {
"artifactId": "runtime-configuration",
"version": "1.0.1"
}
}
]
}
}
My Ansible code tries to extract the values of all the *"component"*
attributes as a list, regardless of the external attributes where the
*"component"* attributes are defined (in the example, *"DEV"* and "STG").
These external attributes are not known beforehand, hence the need for that
*[] in the query.
tasks:
- set_fact:
component_list: "{{ result.root.*[].component }}"
The output I expect is:
[
{
"artifactId": "component-1"
"version": "1.0.0"
},
{
"artifactId": "component-2",
"version": "1.0.1"
}
]
That is, a list of all the objects whose attribute was *"component"* in the
input JSON.
I've tried to execute the same query on the JMESPath website
<http://jmespath.org/> with the same input and the result is the one I
expect. Unfortunately, this is not the case while executing the task with
Ansible.
Am I doing something wrong here? Thanks in advance for your help.
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