helm : error converting YAML to JSON: yaml: line xx: did not find expected key

I have a json encoded string in my values.yaml file ->

values.yaml

network:
  cidrs : "[\"123.123.123.123/32\",\"123.124.125.125/32\"]"

Now , I want to use this value as a list of string in my network policy egress ipblock. But I'm not able to convert it to list.

Currently, I'm following this to achieve the requirement , but it fails -

> error converting YAML to JSON: yaml: line xx : did not find expected key

netpol.yaml

spec:
  podSelector:
    matchLabels:
      name: log-forwarder
  policyTypes:
  - Egress
  egress:
  {{- $json := .Values.network.cidrs | fromJson -}}
  {{- range $json }}
  - to:
    - ipBlock:
        cidr: {{- . }}
  {{- end }}
    ports:
    - protocol: TCP
      port: 443

Any idea , how to convert the encoded string to list of string and use it in my network policy ?

Use mustFromJson instead of fromJson, had the same problem recently and that fixed it, gonna have a look in the docs to see if I find out why.

edit: for some reason fromJson cant handle top level lists, but mustFromJson can, looks like a bug as the only difference listed in the docs is that mustFromJson returns an error in case the JSON is invalid.

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