jc/docs/parsers/yaml.md

jc.parsers.yaml

jc - JSON CLI output utility YAML Parser

Usage:

specify --yaml as the first argument if the piped input is coming from a YAML file

Compatibility:

'linux', 'darwin', 'cygwin', 'win32', 'aix', 'freebsd'

Examples:

$ cat istio-mtls-permissive.yaml
apiVersion: "authentication.istio.io/v1alpha1"
kind: "Policy"
metadata:
  name: "default"
  namespace: "default"
spec:
  peers:
  - mtls: {}
---
apiVersion: "networking.istio.io/v1alpha3"
kind: "DestinationRule"
metadata:
  name: "default"
  namespace: "default"
spec:
  host: "*.default.svc.cluster.local"
  trafficPolicy:
    tls:
      mode: ISTIO_MUTUAL

$ cat istio-mtls-permissive.yaml | jc --yaml -p
[
  {
    "apiVersion": "authentication.istio.io/v1alpha1",
    "kind": "Policy",
    "metadata": {
      "name": "default",
      "namespace": "default"
    },
    "spec": {
      "peers": [
        {
          "mtls": {}
        }
      ]
    }
  },
  {
    "apiVersion": "networking.istio.io/v1alpha3",
    "kind": "DestinationRule",
    "metadata": {
      "name": "default",
      "namespace": "default"
    },
    "spec": {
      "host": "*.default.svc.cluster.local",
      "trafficPolicy": {
        "tls": {
          "mode": "ISTIO_MUTUAL"
        }
      }
    }
  }
]

info

info()

process

process(proc_data)

Final processing to conform to the schema.

Parameters:

proc_data:   (dictionary) raw structured data to process

Returns:

List of dictionaries. Each dictionary represents a YAML document:

[
  {
    YAML Document converted to a Dictionary
    See https://pypi.org/project/ruamel.yaml for details
  }
]

parse

parse(data, raw=False, quiet=False)

Main text parsing function

Parameters:

data:        (string)  text data to parse
raw:         (boolean) output preprocessed JSON if True
quiet:       (boolean) suppress warning messages if True

Returns:

List of dictionaries. Raw or processed structured data.